VECTOR Transmitter SRC-H1-A2
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09/14/2020
Analysis of why the compressor shell will condense
When the compressor is working normally, it is close to the low pressure cavity of the compressor. The temperature of the steel casing on the side is very low, if the compressor casing
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07/02/2020
Points to note when installing Taikang Compressor
Points to note when installing Taikang Compressor The air conditioner and cold storage can provide refrigeration without the credit of fluorine and compressor. Taikang Compressor is a common air conditioner and cold storage compressor with good quality and guaranteed.
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08/16/2020
The difference between condenser and cooler
There will be compressors, condensers, evaporators, expansion valves and refrigerants in the chiller refrigeration system. Only with the addition of these original parts will a good refrigeration system be formed.
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09/04/2020
Factors affecting the use of oil-free air compressors
The oil-free air compressor is the main body of the air source device. It is a device that converts the mechanical energy of the prime mover into gas pressure energy and is a pressure generating device for compressed air. The factors that affect its use are:
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08/11/2020
How does the screw compressor match the refrigerating oil correctly
The role of the compressor in the refrigeration system is equivalent to the human heart. With the development of the market, screw compressors have gradually become the leader of refrigeration compressor products and are used in various cold chains
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08/27/2020
Design and Application of Universal Crank and Connecting Rod Mechanism
First, let me introduce the function of the crank connecting rod mechanism to the internal combustion engine: 1) convert heat energy into mechanical energy; 2) piston reciprocating linear motion becomes crankshaft rotation motion; 3) output continuous power to related transmission devices.
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07/16/2020
Working principle of scroll compressor
1. The pressure of the scroll compressor is generated due to the interaction between the scroll disks that make planetary motion. When one of the scroll disks makes planetary motion, the gas enters from the outer opening.
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06/29/2020
Several causes of compressor burning
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06/14/2020
Common terms of screw air compressor
Common terms of screw air compressor
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06/20/2020
What are the causes of air conditioning trip
What are the causes of air conditioning trip 1. The contradiction between the rated current of the air conditioner and the current carrying capacity of the wire. Here are two formulas involved: ①The rated current of air conditioner I=P÷U ÷power factor, the power remains unchanged, the smaller the voltage, the greater the current required. ② The current carrying capacity of the wire I=U÷R, the voltage is proportional to the current. So when the power supply voltage is normal, we must consider the line voltage drop. The longer the line, the greater the resistance, the greater the voltage drop, and the smaller the output current at the end. However, because the power of the load remains unchanged, the voltage becomes smaller, and the current that needs to be output will be larger. At this time, the wire is forced to overload, and the time will cause heating, and eventually cause the tripping of the open circuit. Some friends said that the heat of the wire will not cause the tripping of the circuit breaker. In fact, the manufacturer of the air switch has made it clear in the relevant manuals that the heat of the wire will cause the air switch to trip. Because the wire heats up, the crimp terminal will also heat up, and the resistance will become larger and larger. The larger the resistance, the greater the current consumption, and the hotter it will be, a vicious cycle. 2. Leakage During the daily maintenance work, we will encounter the situation that the air circuit trips due to the leakage of electricity. At least I have not experienced it once or twice. Regardless of the leakage of the neutral line or the leakage of the live line, a long time will cause the circuit breaker to trip. Why does the electric leakage cause the MCB to trip? There are two situations. ① Good grounding. At the beginning, the leakage current was not large, and as time went by, the leakage current became larger and larger, and eventually evolved into a short circuit to ground, unable to close. ②There is no ground wire. If the equipment is not connected to the protective ground, when the wire leaks to the equipment, it is equivalent to adding a large shunt resistance. Like this problem, if the air conditioner does not have a ground wire, when the wire leaks to the air conditioner, the air conditioner is a very large shunt resistor and will consume a lot of current. Eventually, the wire will heat up or trip open. How to determine whether the trip caused by the above two aspects can be done with a clamp ammeter. ① Measure the voltage at the input and output to see if there is a significant change in voltage drop. ②Measure whether the output current exceeds the standard. So my suggestion is: first measure the supply voltage to see if it is within the allowable fluctuation range. Then measure the current to see if it exceeds the rated ampacity of the wire. Finally, check the data one by one according to the measured data to find out the reason.