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What measures can prevent the thermal shock test box from leaking electricity?
The safe use of the hot and cold shock test box is the guarantee that every one of us who use the equipment must do. How can we effectively prevent the leakage of the cold and hot shock test box? Dongguan Horn Testing Instrument Co., Ltd. shared experience measures for everyone.
1. Carefully select the insulation material so that it will be well insulated in various conditions such as hot flashes and the life of the equipment to prevent personal injury due to electrical leakage.
2. When the main power switch of the thermal shock test box is set to the “OFF†position, all the power entering the device shall be shut off except for the power input line. The power supply circuit shall be provided with a fuse at the input or output, respectively, and an automatic fault warning device shall be added if necessary.
3. The lighting power supply for maintenance shall be safe voltage.
4. Lightning protection devices should be installed in the open area (such as antennas, etc.).
5. All high-voltage circuit equipment (ground voltage exceeds 250 V) system should have high-voltage latching devices with electrical control or electrical and mechanical control at the same time. When a protective door is opened, the high pressure should be automatically cut off until it is restored to its original position, then it can be reconnected to high voltage.
6. For tools that operate near high voltages, use special tools with good insulation properties. Position the screwdriver (driver) on the adjustment points near the high pressure or high temperature or the difficult-to-find adjustment points. The taper shank has better insulation properties, and it is not easy to hinder work or cause danger when placed.
7. Ventilation holes should not be placed in high pressure parts. If it is necessary to have a ventilation hole, then the aperture should be small to prevent the finger or measuring probe from being accidentally inserted into it, resulting in a risk of electric shock.
8. All exposed plugs, sockets, and solder joints must not be powered on. Only socket type contacts can be energized when not connected together.
9. In the place where you need to stop the action, set a "do not do it" slogan. Or set alarm devices such as alarms and warning lights. However, it should be noted that the alarm should not be confused with the control circuit to avoid false alarms from the alarm.
10. When designing the equipment, it should be considered that when the equipment is shut down, those still-charged components and fire lines should be located where the technicians and operation and maintenance personnel cannot (accidentally) touch.
Dongguan Haoen specializes in manufacturing hot and cold impact test boxes, can be customized according to customer requirements, welcome to consult!
An electronic heat sink is a device used to dissipate heat generated by electronic components such as transistors, integrated circuits, and power semiconductors. It is designed to absorb and transfer heat away from the component to the surrounding environment.Heat sinks come in various shapes, sizes, and materials, depending on the application and the amount of heat to be dissipated. The most common materials used for heat sinks are aluminum alloy and copper, which are good conductors of heat and easy to manufacture. Other materials such as graphite, ceramic, and diamond are also used for specialized applications.Electronic heat sinks work on the principle of conduction, where heat is transferred from the electronic component to the Aluminum Heat Sink through direct contact. The heat is then dissipated into the surrounding air or a liquid coolant, such as water or oil, through convection. Some heat sinks also use radiation to dissipate heat.The effectiveness of a heat sink depends on several factors such as the thermal conductivity of the material, the surface area, the airflow, and the temperature difference between the component and the environment. Electronic heat sinks are often used in conjunction with fans or other cooling devices to improve their performance.
In conclusion, electronic heat sinks are essential components in electronic devices that generate heat. They play a crucial role in ensuring the reliable operation and longevity of electronic components.
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