What is the principle of high voltage interlocking connectors? What are the specific requirements and standards?

High-voltage interlocking connector is a kind of connector used in high-voltage electrical equipment, which is widely used in electric power, energy, industrial control and other fields. Its main principle is through a series of design and control measures, in the connection and disconnection process to achieve interlocking to ensure that the connector in the high-voltage conditions of safe and reliable operation. The main principles of high-voltage interlock connectors include the following aspects: 1. Electrical interlock principle: high-voltage interlock connectors in the connection and disconnection, through the connector contact and insertion of the sub-division of the design of electrical interlocking devices, to achieve the electrical connection and disconnection of the interlock. For example, in the contact and insertion of the sub design interlocking pins, interlocking springs and other devices, so that in the connection and disconnection, the interlocking device can interact with each other to ensure that the mating parts in the disconnection or connection can not be mistakenly operated or pulled out, so as to ensure the safe operation of the high-voltage equipment. 2. Mechanical interlocking principle: high-voltage interlocking connectors through the design of mechanical interlocking device, to achieve the connector's mechanical interlocking. For example, in the connector plug and socket design mechanical interlock pin, mechanical interlock spring and other devices, so that in the connection and disconnection, interlocking devices can interact with each other to ensure that the plug parts in the disconnection or connection can not be mistakenly operated or pulled out to ensure the safe operation of high-voltage equipment. 3. Instantaneous operation principle: high-voltage interlock connector through the design of the instantaneous operation principle, to achieve the connector in the disconnection can be Quickly cut off the power supply when the connector is disconnected, thus ensuring the safety of power failure under high voltage conditions. For example, the connector plug and socket can be designed on the instantaneous operation switch, instantaneous operation spring and other devices, so that in the disconnection, instantaneous operation device can quickly disconnect the power supply to ensure equipment safety. High-voltage interlock connector specific requirements and standards usually include the following aspects: 1. Rated voltage and current: high-voltage interlock connector should meet the specific rated voltage and current requirements to ensure that it can work stably under high-voltage conditions, and to ensure electrical safety. Different applications and industries usually have different rated voltage and current standards, such as power transmission and distribution areas usually require higher rated voltage and current.2. Insulation: High-voltage interlocking connectors should have good insulation properties to prevent leakage and electrical short circuit phenomena. The insulation performance of the connector should be in line with or industry standards, including insulation resistance, breakdown voltage, withstand voltage and other indicators.3. Mechanical Strength: High-voltage interlocking connectors should have sufficient mechanical strength to withstand high-voltage stress and vibration, to ensure that the reliability and durability of the connector. The mechanical strength of the connector should be in line with or industry standards, including tensile strength, compressive strength, vibration resistance and other indicators.4. Protection level: high-voltage interlocking connectors should have adequate protection level to prevent external dust, moisture, chemicals, etc. into the connector inside, resulting in connector failure or safety hazards. The protection level of the connector should be in line with the relevant standards or industry standards, such as IP rating standards.5. Temperature characteristics: high-voltage interlock connector should be able to work under high or low temperature conditions, without being affected by temperature changes. The temperature characteristics of the connector should be in line with or industry standards, including high temperature resistance, low temperature resistance, temperature change on the electrical performance of the indicators.6. Safety: high-voltage interlocking connectors should have good safety performance to prevent misuse or accidental pull-out caused by safety accidents. The safety performance of the connector should be in line with or industry standards, including the connector's interlocking principle, the reliability of the interlocking device, the principle of transient operation, etc. 7. Marking and certification: High-voltage interlocking connectors should be labeled with a logo in line with or industry standards, and obtain the appropriate certifications, such as CE marking, UL certification and so on. This helps users to confirm the compliance and reliability of the connector.

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