High-low temperature impact test box cooling tower failure and solution
Failure of high-low temperature impact test box cooling tower and its solution As a member of the laboratory, the high-low temperature impact test box is widely used and used very frequently. The impact time of the high and low temperature impact test box is 5 minutes, and the recovery time is fast.
The cooling effect is fast. The secondary refrigeration system is used. The cooling method is either air-cooled or water-cooled (water-cooled cooling requires the installation of a cooling tower outside).
The cooling tower is referred to as "water tower" in one of the internal structures of the high-low temperature impact test box and is an important part of the entire operation process. The components that need to be used during the process of temperature and running wind speed, if there is a fault in this area, how to eliminate the problem and find the reason?
(1) When the temperature of the cooling water in the high-low temperature impact test chamber rises, the air volume is uneven. When the air is recirculated, when the heat-dissipating material blocks the water spray pipe, a better way is to improve the ventilation environment. Then eliminate the blocked area of ​​the heat sink and remove dirt and algae.
(2) Fans need to be reinstalled if the fans are not properly installed during noise and vibration. When the water droplets are splashed excessively, the water spray pipe rotates too fast and the heat sink will block. If the water lock fails, the angle of the water spray pipe should be adjusted to eliminate the blockage of the heat sink, and the water change should be replaced. Device.
(3) When the motor is overloaded, it may be that the voltage drops to a low level. Check the power supply and adjust.
The test work caused by the failure of the water tower has a great impact, so the integrity of the components used in each step and the problems are smaller before the test. This will allow the test results to be more reliable and accurate.
High-Low-Temperature Impact Chamber It is often used to detect the extent to which a customer's product can withstand extremely high temperatures or extremely low temperatures in a continuous environment in order to test chemical changes caused by thermal expansion and contraction in a shorter time. Or unreasonable harm
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