新エネルギー自動車バッテリー試験システムにおける冷媒の重要性

If the flow rate of the refrigerant in the new energy vehicle battery test system is extremely small, the refrigerant will start to expand from the first expandable space at the rear end of the throttle valve. Most of the see-up of the rear end of the expansion valve is often due to lack of cooling. Or the expansion valve flow is not enough, too little refrigerant expansion will not use all the evaporator area, only the low temperature is formed locally in the evaporator, and some areas are r...

高低温湿熱試験装置のコンプレッサーの説明

Different types of compressors for high and low temperature damp heat test devices often have an impact on price. When choosing, we should choose low-energy refrigeration compressors as much as possible. Now China is paying more and more attention to energy conservation and emission reduction, we must also make our own efforts. Doing this, and the loss of machinery is not much of a benefit to us, and the other is to choose less noise, so as not to affect our rest. High and low temperature dam...

Motor cooling system tests the effect of condensing temperature

The motor cooling system tests the condenser. Under normal conditions, the first half of the heat pipe is very hot, and its temperature has a slow and slow gradual decline in the balance of power. The heat sensitivity of the second half of the heat pipe is greatly reduced compared with the first half. It is because the refrigerant in the second half of the tube has gradually liquefied, and the condensation temperature and the supercooling temperature have been reached. When the motor cooling ...

Auxiliary equipment for LNEYA glass reactor system

Reasons for the decrease of heat transfer effect of vertical ultra-low temperature refrigerator

If the outer frost layer of the vertical ultra-low temperature refrigerator is too thick or excessively dusty, it can be caused because the external temperature of the evaporator is mostly lower than 0 °C, resulting in low heat transfer efficiency of the evaporator. Because the vertical ultra-low temperature refrigerator has relatively high humidity, the moisture in the air is easy to frost on the surface of the evaporator, and even freezes, which affects the heat transfer effect of the evapo...

半導体冷凍温度制御テーブルクーラー操作説明書

The power supply switching of the control system of the transformer cooling system of the semiconductor refrigeration temperature control station uses the imported dual power automatic switching device. Its main function is automatic switching between the active and standby working power sources. When the common power failure occurs, it automatically switches to the standby power supply. When both power supplies are normal, the common power supply works and the standby power supply is in stan...

120度の超低温冷蔵庫のオイル不足とは？

The compressor of the -120 degree ultra-low temperature refrigerator is a complex component that runs at high speed. In order to ensure sufficient lubrication of the moving parts of the compressor crankshaft, bearings, connecting rods, pistons, etc., it is the basic requirement for maintaining the normal operation of the -120 degree ultra-low temperature refrigerator. Therefore, Wuxi Yuze suggested that the 120-degree ultra-low temperature refrigerator manufacturer requires the use of designa...

多段冷凍の小さい温度調整の圧縮機の記述

The function of the compressor in the multi-stage refrigeration small temperature control station system is to draw the refrigerant vapor of the evaporator and increase its temperature and pressure, which is discharged into the condenser. In the condenser, the high pressure superheated refrigerant vapor condenses at the condenser temperature. Then, through the throttling element, the liquid mixture after the natural gas is reduced flows into the evaporator, and the refrigerant liquid absorbs ...

Multi-stage refrigeration system centrifugal compressor repair instructions

After the centrifugal compressor of the cascade refrigeration system is disassembled, the dimensions of each journal (cooperating with the impeller, bearing, coupling, etc.) are measured with an outer diameter micrometer to calculate the roundness and cylindricity deviation. The value should be Within the allowable range. When the tolerance is large, check if the straightness deviation of the spindle is too large. Place the spindle in the casing or place it on the top of the lathe so that the...

バッテリーテスト・ウォータークーラー常識解説

Battery test Water-cooled air intake If there is no superheat, there may be a return air with liquid, and even cause a wet stroke liquid shock to damage the compressor. In order to avoid this phenomenon, a certain degree of suction superheat is required to ensure that only dry steam enters the compressor (the presence of superheat indicates the complete evaporation of the liquid refrigerant due to the nature of the refrigerant). However, the battery test water cooler has too high superheat an...