Yadeke solenoid valve analysis 2
Yadeke The failure of the solenoid valve will directly affect the action of the switching valve and the regulating valve. A common failure is that the solenoid valve does not operate, which should be checked from the following aspects
:
:
div>
(1) If the solenoid valve terminal is loose or the thread falls off, the solenoid valve cannot be powered, and the thread can be tightened.
(2) If the solenoid valve coil is burned out, you can remove the wiring of the solenoid valve and measure it with a multimeter. If it is open circuit, the solenoid valve coil is burned out.
The reason is that the coil is damp, causing poor insulation and magnetic leakage, causing excessive current in the coil and burning. Therefore, rainwater must be prevented from entering the solenoid valve. In addition, if the spring is too hard, the reaction force is too large, the number of coil turns is too few, and the suction force is not enough, the coil may be burned. During emergency treatment, the manual button on the coil can be moved from the "0" position during normal operation to the "1" position to open the valve.
(3) The solenoid valve is stuck. The matching gap between the slide valve sleeve and the valve core of the solenoid valve is very small (less than 0.008mm). It is usually assembled in a single piece. When mechanical impurities are brought in, Or when there is too little lubricant, it is easy to get stuck. The treatment method can be to insert a steel wire through the small hole in the head to make it bounce back. The fundamental solution is to remove the solenoid valve, take out the valve core and valve core sleeve, and clean it with CCI4 to make the valve core move flexibly in the valve sleeve. . When disassembling, attention should be paid to the assembly sequence of each component and the location of external wiring to facilitate reassembly and correct wiring. Also check whether the oil spray hole of the lubricator is blocked. , whether the lubricating oil is sufficient.
(4) Air leakage. Air leakage will cause insufficient air pressure, making it difficult to open and close the forced valve. The reason is that the sealing gasket is damaged or the slide valve is worn, causing several cavities to escape.
gas.
When dealing with the solenoid valve failure of the switching system, you should choose the appropriate time to deal with it when the solenoid valve is out of power. If it is within a switching gap
If the processing cannot be completed, you can pause the switching system and handle it calmly.
WhatsApp: +8615857777578