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Distribution box manufacturers: explosion-proof distribution box actual operation should pay attention to what key points?
Distribution box manufacturers: What key points should be paid attention to in the actual operation of explosion-proof distribution box?
1, whether it is the use or maintenance of explosion-proof distribution box work personnel must wear anti-static overalls, not bare hands or wear wet rubber gloves.
2. Check whether the welding tool accessories are better. Some special tools are destroyed in the maintenance part, making the welding tool dangerous.
3. In the maintenance process, there can be more staff on the spot, because even if one person has an accident, others still have a chance to treat him.
4、Distribution box manufacturers said,After the explosion-proof distribution box is connected to the switching power supply, many people will check whether the route of the explosion-proof distribution box is plugged in. At this time, even if the explosion-proof distribution box has factory inspection, do not directly use hand touch or body contact, but it is safe not to remove all places. In addition, when the explosion-proof distribution box is in operation, it is impossible to disassemble and assemble. First, disconnect the switching power supply, and then use the test pen to detect that there is no switching power supply, in order to carry out disassembly, assembly and operation and maintenance work.
Safety is always the first rule for the actual operation of electrical equipment such as explosion-proof distribution boxes, not only in the case of maintenance, but also in other aspects:
1. In the purchase process of explosion-proof distribution box, it should be ensured that it is purchased by reliable manufacturers to ensure that its quality is definitely up to standard and that it meets China's explosion-proof standards.
2. During the operation period, the explosion-proof distribution box shall be regularly maintained and maintained. The actual operation shall meet the explosion-proof requirements. Any actual operation that does not meet the conditions may cause the entire system to lose its explosion-proof characteristics.
3, to avoid the explosion-proof distribution box unqualified actual operation, part of the staff quality is low, safety awareness is weak, there is a wide range of operational errors or operational errors, flammability and flammability of the risk is common in the industrial field, even if the performance quality is good, may also cause explosion-proof distribution box explosion. Therefore, the explosion-proof box manufacturers must strengthen safety training, improve the safety of workers.
Distribution box manufacturers: help solve the common faults of distribution box clubs
1. Common faults caused by working temperature to low-voltage electrical hazards
The low-voltage electric in the distribution box is composed of circuit breaker, DC contactor, residual current action protection device, power capacitor and electric energy meter. The upper limit of the surrounding gas temperature shall not exceed 40 ℃; the average value of the surrounding air temperature for 24h shall not exceed 35 ℃; the lower limit of the surrounding gas temperature shall not be less than -5 ℃ or -25 ℃.
The distribution box for rural power grid transformation operates outdoors. It not only suffers from direct sunlight, which can cause continuous high temperature. At the same time, it also brings heat during operation. Therefore, in the continuous high temperature season in hot summer, the ambient temperature in the box body may exceed about 60 ℃, and the temperature at this time greatly exceeds the working temperature specified by this household appliance.
2. Common faults caused by product quality
Distribution box manufacturers said,During the transformation of the rural power grid, due to the large number of distribution boxes demanded by the market and the short construction period, the distribution box factory needed to supply the relevant low-voltage electricity in a short time and in a large quantity, thus forming a situation that the demand for product quality was not in place, resulting in the failure of some commodity funds shortly after they were put into operation. For example, some models and specifications of DC contactors cannot be operated because the closing coil of AC contactors is burned down shortly after the distribution box is put into use.
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The distribution box manufacturer said that after the explosion-proof distribution box is connected to the switching power supply, many people will check whether the route of the explosion-proof distribution box is plugged in. At this time, even if the explosion-proof distribution box has factory inspection, do not directly use hand touch or body contact, but it is safe not to remove all places. In addition, when the explosion-proof distribution box is in operation, it is impossible to disassemble and assemble. First, disconnect the switching power supply, and then use the test pen to detect that there is no switching power supply, in order to carry out disassembly, assembly and operation and maintenance work.
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