Type test of wire assemblies
Testing standards
In the type test of wire assemblies, the testing standards play a crucial role. The standard GB15934 - 1996 "Wire Assemblies" is like a compass in the industry, providing clear directions and guidelines for the performance testing of wire assemblies. It covers the requirements for wire assemblies in multiple aspects, from materials and structures to electrical performance, ensuring the safety and reliability of wire assemblies in actual use. With this standard, both manufacturers and testing institutions can follow the rules, ensuring the stable quality of wire assemblies in the market.
Inspection items
The product inspection items for electrical wire assemblies are all the applicable items specified in the product safety standards. These items are summarized through rigorous scientific research and practical experience, aiming to comprehensively evaluate the performance of electrical wire assemblies. From the integrity of the appearance to the electrical conductivity of the internal conductors, from the insulation effect of the insulating layer to the overall mechanical properties, etc., each item is indispensable. Only by inspecting all the applicable items can we ensure that the electrical wire assemblies can work properly in various complex usage environments and avoid safety accidents caused by the non - compliance of a certain item.
Detection method
The selection of the testing method is directly related to the accuracy of the test results. Conducting tests in accordance with the testing methods and/or standards specified and/or referenced in the standards is the key to ensuring the reliability of the test results. These testing methods have been verified through numerous experiments and are recognized by the industry, featuring scientificity and authority. For example, when testing the electrical performance of wire assemblies, professional electrical testing equipment may be used and measurements are taken following specific operating procedures to obtain accurate data. By strictly adhering to these testing methods, problems in wire assemblies can be detected in a timely manner, ensuring the quality of the products.
Inspection of electric wires and cables
Standards for inspection basis
The inspection of wires and cables is based on multiple standards, which set detailed requirements for different types and uses of wires and cables. The GB12972 standard for mine-used rubber-sheathed flexible cables is specifically formulated for cables used in mine environments. Due to the complex mine environment with dangerous factors such as humidity and flammability, this standard puts forward strict requirements for the flame retardancy, water resistance, and resistance to mechanical damage of mine-used rubber-sheathed flexible cables. GB12528 is for cables (wires) used in railway rolling stock with an AC rated voltage of 3KV and below. Considering the special operating conditions of railway rolling stock, such as vibration and electromagnetic interference, the standard has clear regulations on aspects such as the anti-interference ability and mechanical stability of the cables. The GB5013 standard for rubber-insulated cables with a rated voltage of 450/750V and below and the JB8735 standard for rubber-insulated flexible wires and cables with a rated voltage of 450/750V and below mainly focus on the insulation performance and heat resistance of rubber-insulated cables. The GB5023 standard for polyvinyl chloride-insulated cables, wires, and flexible wires with a rated voltage of 450/750V and below regulates the aging resistance, chemical corrosion resistance, and other properties of polyvinyl chloride-insulated cables according to their characteristics.
Items to be inspected
The inspection items are all the inspection items specified in the product standard. This means that for different types of wires and cables, comprehensive testing should be carried out in accordance with the corresponding standards. For mining rubber-sheathed flexible cables, in addition to the basic electrical performance testing, the focus should also be on testing their flame retardancy, tear resistance of the sheath, etc. For cables used in railway locomotives and vehicles, their electrical stability and anti-interference ability in a vibrating environment should be tested. For rubber-insulated cables and polyvinyl chloride-insulated cables, their insulation resistance, voltage withstand ability, etc. should be tested. Only by testing all the specified inspection items can it be ensured that the wires and cables meet the corresponding usage requirements.
Inspection method
Conduct inspections using the inspection methods specified in the product standards and/or the referenced inspection method standards. These inspection methods are formulated based on the characteristics and testing requirements of wires and cables. For example, when testing the insulation performance of cables, the insulation resistance testing method may be used, and the insulation effect is evaluated by measuring the resistance value of the cable insulation layer. When testing the mechanical performance of cables, tensile tests, bending tests, etc. may be carried out to detect the performance of cables under stress. Operating strictly in accordance with these inspection methods can accurately determine whether wires and cables are qualified.
Type tests for plugs and socket-outlets for household and similar purposes
Testing standards
The testing standards for plugs and sockets for household and similar purposes include GB 2099.1 - 1996 "Plugs and sockets for household and similar purposes - Part I: General requirements", GB 2099.2 - 1997 "Plugs and sockets for household and similar purposes - Part II: Particular requirements for appliance couplers", GB 1002 - 1996 "Single-phase plugs and sockets for household and similar purposes - Types, basic parameters and dimensions", and GB 1003 - 1999 "Three-phase plugs and sockets for household and similar purposes - Types, basic parameters and dimensions". These standards regulate plugs and sockets for household and similar purposes from different aspects. The general requirements standard stipulates the basic performance and safety requirements of plugs and sockets, such as electrical insulation and mechanical strength. The particular requirements standard makes detailed provisions according to the characteristics of appliance couplers, such as the adaptability to specific electrical appliances. The standards regarding the types, basic parameters and dimensions of plugs and sockets ensure the universality and interchangeability of plugs and sockets in the market, which is convenient for users.
Inspection items
The product inspection items are all applicable items stipulated in the product safety standard. The inspection items for household and similar plugs and sockets cover multiple aspects. For example, the contact resistance between the pins and sockets of the plugs and sockets needs to be tested. Excessive contact resistance may lead to heat generation and pose safety hazards. The insulation resistance of the plugs and sockets also needs to be tested to ensure that there is no electric leakage during use. In addition, the mechanical structure of the plugs and sockets, such as the insertion and extraction force and the impact resistance of the housing, also needs to be tested to ensure their reliability in daily use.
Detection method
Conduct tests in accordance with the testing methods and/or standards specified and/or referenced in the standard. When testing household and similar plug - socket outlets, multiple testing methods will be adopted. For electrical performance testing, professional electrical testing instruments such as multimeters and withstand voltage testers may be used. For mechanical performance testing, equipment such as plug - pull force testing machines and impact testing machines may be used. Through these testing methods, the quality of plug - socket outlets can be comprehensively evaluated to ensure the electrical safety of users.
Type tests for switches of fixed electrical appliance installations for household and similar purposes
Inspection standards
GB 16915.1 "Switches for fixed electrical installations for household and similar purposes - Part 1: General requirements" is an important standard for the type test of switches for fixed electrical installations for household and similar purposes. This standard clearly stipulates the electrical performance, mechanical performance, safety performance and other aspects of switches. For example, in terms of electrical performance, parameters such as the rated current, rated voltage and contact resistance of switches are specified; in terms of mechanical performance, the operating force and service life of switches are regulated. Complying with this standard can ensure the safe and reliable use of switches in households and similar places.
Inspection items
The product inspection items cover all applicable items stipulated in the product safety standards. The inspection items for switches include appearance inspection, electrical performance testing, mechanical performance testing, etc. Appearance inspection mainly checks whether there are damages, deformations, etc. on the switch housing, which directly affects the switch's protective performance. Electrical performance testing includes testing the switch's on - off capability, insulation resistance, etc., to ensure that the switch can work properly during the power - on and power - off processes and no electric leakage will occur. Mechanical performance testing focuses on the switch's operating life, operating force, etc., to ensure that the switch can still be operated normally after multiple uses.
Detection method
Conduct tests in accordance with the testing methods and/or standards specified in and/or referenced by the relevant standards. For the testing of switches, appropriate testing methods will be selected according to different testing items. For example, for the on - off capacity testing of switches, circuit simulation testing equipment may be used to simulate the actual circuit environment and perform multiple on - off operations on the switches to test their reliability. For the insulation resistance testing of switches, an insulation resistance tester will be used for measurement. By strictly following the testing methods, it is possible to accurately determine whether the switches meet the standard requirements.
Type tests for industrial plugs, socket-outlets and couplers
Testing standards
GB 11918 "General requirements for plugs, socket-outlets and couplers for industrial use" and GB 11919 "Requirements for dimensional interchangeability of pins and contact-sleeves of plugs, socket-outlets and couplers for industrial use" are important bases for type tests of plugs, socket-outlets and couplers for industrial use. The industrial environment is different from the household environment, with higher requirements for plugs, socket-outlets and couplers. The standard for general requirements covers requirements in multiple aspects such as the electrical performance, mechanical performance and protection performance of plugs, socket-outlets and couplers for industrial use, so as to adapt to the complex working conditions in industrial production. The standard for dimensional interchangeability requirements ensures that plugs, socket-outlets and couplers for industrial use produced by different manufacturers can be mutually compatible, improving the universality and replaceability of equipment.
Inspection items
The product inspection items cover all applicable items specified in the product safety standards. The inspection items for industrial plugs, sockets, and couplers are more stringent and comprehensive. In addition to testing the electrical and mechanical properties like those of household plugs and sockets, their protection levels will also be the key focus of the inspection. There may be pollutants such as dust and water in the industrial environment. The level of the protection directly affects the service life and safety of plugs, sockets, and couplers. In addition, there are also strict inspection requirements for the contact performance of pins and sockets, insertion and extraction forces, etc., to ensure that there will be no problems such as poor contact during the industrial production process.
Detection method
Conduct tests in accordance with the testing methods and/or standards specified and/or referenced in the standards. In the testing of industrial plugs, sockets and couplers, professional industrial testing equipment and methods will be used. For example, in the testing of the protection level, test devices simulating dust and water may be used to test the plugs, sockets and couplers under the test conditions specified in the standards. For the electrical performance testing, high-precision electrical testing instruments will be used to obtain accurate data. Through strict testing methods, it can be ensured that industrial plugs, sockets and couplers operate safely and reliably in industrial production.
Type tests for appliance couplers for household and similar purposes
Testing standards
GB 17465.1 - 1998 "Appliance couplers for household and similar purposes - Part 1: General requirements" and GB 17465.2 - 1998 "Appliance couplers for household and similar purposes - Part 2: Interconnection couplers for household and similar equipment" provide standards for the testing of appliance couplers for household and similar purposes. The general requirements standard regulates the basic performance and safety requirements of appliance couplers, including the stability of electrical connections and insulation performance. The interconnection coupler standard, in view of the connection characteristics between household and similar equipment, makes detailed provisions on the dimensions and connection methods of couplers to ensure that appliance couplers can be well adapted to various household equipment.
Inspection items
The product inspection items cover all applicable items specified in the product safety standard. The inspection items for appliance couplers for household and similar purposes include appearance inspection, electrical performance testing, mechanical performance testing, etc. The appearance inspection mainly checks whether there are damages, deformations, etc. on the coupler's housing, which affects the protection and aesthetics of the coupler. The electrical performance testing includes the detection of the coupler's contact resistance, insulation resistance, etc., to ensure that no electrical failures occur during the connection process. The mechanical performance testing focuses on the insertion and extraction forces of the coupler, the firmness of the connection, etc., to ensure that the coupler can be stably connected in daily use.
Detection method
Conduct testing in accordance with the testing methods and/or standards specified and/or referenced in the standards. When testing couplers for household and similar electrical appliances, appropriate testing methods will be selected according to different testing items. For example, for the contact resistance testing of couplers, professional resistance measuring instruments may be used to determine whether the contact resistance meets the standard requirements through accurate measurement. For the testing of insertion and extraction forces, an insertion and extraction force testing machine will be used to conduct tests under the specified testing conditions. By strictly following the testing methods, it is possible to accurately determine whether the appliance couplers are qualified.
Thermal fuse
Testing standards
GB9816 - 1998 "Requirements and Application Guidelines for Thermal Fuses" is an important standard for the detection of thermal fuses. Thermal fuses play a crucial role in circuit protection. When the current in the circuit is too large or the temperature is too high, the thermal fuse can automatically blow, cutting off the circuit and preventing equipment damage and safety accidents. This standard clearly stipulates the fusing characteristics, electrical performance, mechanical performance and other aspects of thermal fuses to ensure that thermal fuses can work reliably in practical applications.
Inspection items
The product inspection items cover all applicable items specified in the product safety standards. The inspection items for thermal fuses include fusing temperature test, fusing time test, insulation resistance test, etc. The fusing temperature test is to determine at what temperature the thermal fuse will melt, which is directly related to its protective performance. The fusing time test detects how long it takes for the thermal fuse to cut off the circuit after reaching the fusing temperature. The insulation resistance test is to ensure that the thermal fuse does not leak electricity during normal operation. Through the inspection of these items, the performance of the thermal fuse can be comprehensively evaluated.
Detection method
Conduct inspections in accordance with the testing methods and/or standards specified in and/or referenced by the relevant standards. For the inspection of thermal fuses, specialized testing equipment and methods will be used. For example, when conducting the fusing temperature test, high-precision temperature control equipment will be used to place the thermal fuse in a specific temperature environment and observe its fusing condition. When conducting the insulation resistance test, an insulation resistance tester will be used for measurement. By strictly following the testing methods, it is possible to accurately determine whether the thermal fuse meets the standard requirements.
Type tests for enclosures of electrical accessories for fixed electrical installations for household and similar purposes
Testing standards
GB 17466 - 1998 "General Requirements for Enclosures of Electrical Accessories for Fixed Electrical Installations for Household and Similar Purposes" provides a standard for the testing of enclosures of electrical accessories. The enclosure of an electrical accessory not only protects the internal components of the electrical appliance but also is related to the safety of the user. This standard makes provisions on aspects such as the material, structure, and protective performance of the enclosure of electrical accessories to ensure that the enclosure can effectively protect the electrical appliance in daily use and prevent the user from getting an electric shock.
Inspection items
The product testing items are all applicable items stipulated in the product safety standards. The testing items for the housing of electrical accessories include appearance inspection, mechanical performance testing, protection performance testing, etc. Appearance inspection mainly checks whether there are defects such as cracks and scratches on the housing, which will affect the protection effect of the housing. Mechanical performance testing includes testing the impact resistance, compression resistance, etc. of the housing to ensure that the housing will not be damaged when subjected to external forces. Protection performance testing focuses on the housing's protection ability against pollutants such as dust and water to ensure that the internal components of the electrical appliance are not affected by the external environment.
Detection method
Conduct tests in accordance with the testing methods and/or standards specified in and/or referenced by the standards. When testing the enclosures of electrical accessories, appropriate testing methods will be selected according to different testing items. For example, for the impact resistance test of the enclosure, an impact testing machine may be used to test the enclosure according to the impact energy and impact mode specified in the standards. For the protection performance test, test devices simulating dust and water will be used to detect the protection level of the enclosure. By strictly following the testing methods, it is possible to accurately determine whether the enclosures of electrical accessories are qualified.
Type tests for tubular fuse - links of miniature fuses
Inspection standard
GB 9364.1 - 1997 "Miniature fuses - Part I: Definitions for miniature fuses and general requirements for miniature fuse - links", GB 9364.2 - 1997 "Miniature fuses - Part II: Cartridge fuse - links" and GB 9364.3 - 1997 "Miniature fuses - Part III: Sub - miniature fuse - links" provide comprehensive standards for the testing of cartridge fuse - links of miniature fuses. These standards regulate the cartridge fuse - links of miniature fuses from different perspectives respectively, including aspects such as the definition, general requirements, dimensions and performance of the fuse - links. By following these standards, it can be ensured that the cartridge fuse - links of miniature fuses play a reliable role in circuit protection.
Inspection items
The product testing items cover all applicable items specified in the product safety standards. The testing items for the tubular fuse-link of small fuses include fusing characteristic tests, electrical performance tests, mechanical performance tests, etc. The fusing characteristic test mainly detects parameters such as the fusing current and fusing time of the fuse-link, which directly affect the protection effect of the fuse-link. The electrical performance test includes detecting the resistance and voltage withstand capacity of the fuse-link. The mechanical performance test focuses on the shell strength and connection firmness of the fuse-link. Through the testing of all applicable items, it can be ensured that the tubular fuse-link of small fuses meets the safety requirements.
Detection method
Conduct tests in accordance with the testing methods and/or standards specified in and/or referenced by the relevant standards. For the testing of tubular fuse-links of miniature fuses, professional testing equipment and methods will be used. For example, when conducting the fusing characteristic test, specialized fusing test equipment will be used to simulate different current and time conditions and observe the fusing situation of the fuse-links. When conducting electrical performance tests, electrical testing instruments will be used for measurement. By strictly following the testing methods in operation, it is possible to accurately determine whether the tubular fuse-links of miniature fuses are qualified.
Type test of small power motors
Testing standards
GB12350 - 2000 "Safety Requirements for Small - Power Motors" is an important basis for the type test of small - power motors. Small - power motors are widely used in various household and industrial equipment, and their safety performance is of crucial importance. This standard makes clear regulations on aspects such as electrical safety, mechanical safety, and thermal safety of small - power motors, ensuring that small - power motors will not cause harm to users and the surrounding environment during operation.
Inspection items
The product inspection items cover all applicable items specified in the product safety standard. The inspection items for low-power motors include electrical performance testing, mechanical performance testing, thermal performance testing, etc. Electrical performance testing includes the detection of the motor's insulation resistance, voltage withstand capability, power factor, etc. These parameters directly affect the operating efficiency and safety of the motor. Mechanical performance testing includes the detection of the motor's vibration, noise, shaft concentricity, etc., to ensure the motor runs smoothly and reliably. Thermal performance testing focuses on the heat generation of the motor during operation to prevent damage to the motor due to overheating.
Detection method
Conduct tests in accordance with the testing methods and/or standards specified and/or referenced in the standards. When testing low-power motors, a variety of testing equipment and methods are used. For example, for electrical performance testing, electrical testing instruments are used to measure various electrical parameters of the motor. For mechanical performance testing, equipment such as vibration testers and noise testers are used for testing. For thermal performance testing, equipment such as temperature sensors are used to monitor the temperature changes of the motor. By strictly following the testing methods for operation, it is possible to accurately determine whether the low-power motor meets the standard requirements.
Welding machine type test
Inspection standards
The type test of electric welding machines is based on multiple standards, which cover all aspects of arc welding equipment. GB15579 "Safety requirements for arc welding equipment" Part 1: Welding power source stipulates the electrical safety, output characteristics and other aspects of the welding power source to ensure that the welding power source can output electric energy stably and safely during operation. GB15579.11 "Safety requirements for arc welding equipment" Part 11: Electric welding electrode holders focuses on the insulation performance, mechanical strength, etc. of electric welding electrode holders to ensure that there will be no electric leakage or damage during the use of electric welding electrode holders. GB15579.12 "Safety requirements for arc welding equipment" Part 12: Welding cable coupling devices specifies the requirements for the connection reliability and electrical performance of welding cable coupling devices. GB15578 Safety requirements for resistance welding machines standardizes the safety performance of resistance welding machines.
Related information on type tests of household and similar electrical appliances
Testing standards
The testing of household and similar equipment is based on the standards for household appliance certification. These standards are formulated through industry - authoritative certification and specification, and they are important guidelines for ensuring product quality and usage safety. To learn more about their detailed content, you can click on the corresponding links. The content covers the specification requirements for each stage from product design to the finished product, providing comprehensive guidance for product quality control.
Inspection items
1. Safety inspection items
Type test inspection for mandatory safety certification of household and similar electrical appliances is of crucial importance. It includes all applicable items specified in the product standards. These items are considered from multiple aspects, such as whether the product's structural design is reasonable, whether the electrical insulation performance meets the standards, and mechanical safety. For example, whether the product's housing can effectively prevent the human body from touching the internal live parts, and whether the material and specifications of the power cord meet the safety requirements. Each item is to ensure the personal and property safety of users during the use process.
2. Electromagnetic compatibility testing items
Continuous interference voltage (0.15 MHz - 30 MHz): The detection is carried out in accordance with the GB4343 - 1995 standard. In this frequency range, electrical equipment may generate continuous interference voltage, and this kind of interference may affect the normal operation of other surrounding electronic devices. For example, it may interfere with the signal reception of nearby devices such as radios and televisions, resulting in problems such as noise and blurred images.
Continuous interference power (30 MHz - 300 MHz): It also complies with the GB4343 - 1995 standard. When electrical equipment operates within this frequency range, the continuous interference power it generates needs to be strictly controlled. If the interference power is too high, it may cause interference to communication devices, wireless networks, etc., affecting normal communication and network connections.
Intermittent interference voltage (0.15 MHz - 30 MHz): It still adheres to the GB 4343 - 1995 standard. Although this kind of intermittent interference voltage does not exist continuously like continuous interference, it may also cause sudden interference to electronic devices under specific circumstances, affecting the stability and reliability of the devices.
Harmonic current (GB17625.1 - 1998): Harmonic current refers to the non - sinusoidal current component generated by equipment during operation. Excessive harmonic current can cause distortion of the power grid voltage, affect the normal operation of other equipment, and may also increase the loss of the power grid. Detecting harmonic current is to ensure that the harmonic current generated by the equipment is within the specified limit range and guarantee the stable operation of the power grid.
Detection method
The testing methods for household and similar appliances are carried out in accordance with the testing methods and/or standards specified and/or referenced in the standards. These standards and methods have been verified through extensive practice and research, and are scientific and authoritative. By strictly following these methods for testing, it is possible to accurately determine whether the products meet the corresponding quality and safety standards.
Relevant situation of type tests for lighting appliances
Testing standards
There are numerous testing standards for lighting appliances, and each one sets detailed requirements for different types of lighting products and related components.
1. GB 7000.1 - 1996 "General safety requirements and tests for luminaires": This is the basic standard for luminaire safety and is applicable to various types of luminaires. It stipulates the general safety requirements for luminaires during the design, manufacturing and use processes, including aspects such as electrical safety and mechanical safety, providing a basic guarantee for the overall quality of luminaires.
2. GB 7000.10 - 1999 "Safety requirements for fixed luminaires": This standard is specifically for fixed luminaires, such as those installed on ceilings, walls, etc. These types of luminaires have specific safety requirements during installation and use. This standard details and regulates them to ensure their safety and stability in fixed positions.
3. GB7000.11 - 1999 "Safety requirements for portable general luminaires": Due to the flexibility of their use, portable luminaires have different safety considerations. This standard stipulates the requirements for electrical safety, mechanical stability, etc. during the movement of portable general luminaires in accordance with their characteristics, ensuring the safety of users during the movement and use of the luminaires.
4. GB7000.12 - 1999 "Safety requirements for recessed luminaires": Recessed luminaires are usually installed inside ceilings or walls, and they have special requirements in terms of heat dissipation, fire prevention, etc. This standard regulates the installation method, heat dissipation performance, fire protection rating, etc. of recessed luminaires to ensure their safe use in recessed installation environments.
5. GB2313 - 93 "General Requirements and Safety Requirements for Tubular Fluorescent Lamp Ballasts": Tubular fluorescent lamp ballasts are an important part of fluorescent lamps, and their performance directly affects the luminous effect and service life of fluorescent lamps. This standard stipulates the electrical performance, safety performance and other aspects of ballasts to ensure the quality and stability of ballasts.
6. GB15143 - 94 "General requirements and safety requirements for AC electronic ballasts for tubular fluorescent lamps": With the development of technology, AC electronic ballasts have been widely used in tubular fluorescent lamps. This standard regulates the electrical performance, electromagnetic compatibility and other aspects according to the characteristics of AC electronic ballasts to ensure their normal operation in the fluorescent lamp system.
7. GB 14045 - 93 "General Requirements and Safety Requirements for Ballasts for Discharge Lamps (Excluding Tubular Fluorescent Lamps)": For discharge lamps other than tubular fluorescent lamps, such as high - pressure sodium lamps and metal halide lamps, their ballasts have different characteristics and requirements. This standard formulates corresponding safety and performance standards according to the characteristics of ballasts for these discharge lamps.
8. GB17743 - 1999 "Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment": Lighting equipment may generate radio interference during operation, affecting the normal operation of other surrounding electronic devices. This standard specifies the limits and measurement methods of radio disturbance characteristics of electrical lighting and similar equipment to ensure the compatibility of lighting equipment in the electromagnetic environment.
9. GB17625.1 - 1998 "Limits for harmonic currents emitted by low-voltage electrical and electronic equipment (Equipment with input current per phase ≤ 16A)": As low-voltage electrical equipment, lighting appliances need to control the harmonic currents they generate within a certain range. This standard specifies the limits for harmonic currents emitted by low-voltage electrical and electronic equipment with input current per phase ≤ 16A, ensuring the stable operation of the power grid.
Inspection items
1. Safety inspection items
The safety inspection items for lighting appliances cover all applicable items stipulated in the product safety standards. From whether the shell material of the lamp is flame-retardant, to whether the electrical connections are firm, and then to whether the installation of the lamp complies with safety regulations, every detail is related to the safety of users during use. For example, whether the lampshade can effectively prevent high temperatures from causing fire hazards to surrounding objects, and whether the lamp is well grounded to prevent electric shock accidents.
2. Electromagnetic compatibility test items
Insertion loss: Insertion loss reflects the degree of influence of lighting appliances on signal transmission after being connected to the circuit. If the insertion loss is too large, it will cause the signal strength to weaken and affect the normal operation of other devices. By detecting the insertion loss, it can be ensured that lighting appliances will not cause excessive interference to the signal transmission of other devices in the electromagnetic environment.
Disturbance voltage: Disturbance voltage refers to the unnecessary voltage signals generated by lighting appliances during operation. These voltage signals may interfere with the normal operation of other surrounding electronic devices, such as causing noise in radios and interference stripes on TV screens. Detecting the disturbance voltage can control the electromagnetic radiation level of lighting appliances and ensure the normal operation of surrounding electronic devices.
Radiated electromagnetic disturbance: Lighting appliances generate radiated electromagnetic disturbance during operation. The intensity and frequency range of such disturbance need to be controlled within the specified limits. Excessive radiated electromagnetic disturbance may interfere with surrounding communication devices, medical equipment, etc., affecting their normal operation. By detecting radiated electromagnetic disturbance, the compatibility of lighting appliances in the electromagnetic environment can be ensured.
Detection method
The testing of lighting appliances is carried out in accordance with the testing methods specified in relevant product safety and electromagnetic compatibility standards and/or the referenced standards and/or testing methods. These methods comprehensively consider the safety performance and electromagnetic compatibility of the products. Through strict testing procedures and professional testing equipment, it is ensured that lighting appliances meet the requirements of various standards, providing users with safe and reliable lighting products.