Circuit diagram analysis of float switch water level controller

What is a float switch controller?

Float level switch / float switch / level switch / water level switch float

The ball liquid level switch controller is a liquid level controller with simple structure, convenient use, safety and reliability. It is faster than the general mechanical switch and has a long working life. Compared with the electronic switch, it has the characteristics of strong anti-load shock capability, and one product can realize multi-point control. It has been widely used in shipbuilding, paper making, printing, generator equipment, petrochemical, food industry, water treatment, electrician, dye industry, hydraulic machinery and so on.

Circuit diagram analysis of float switch water level controller

working principle

The magnetic float of the float ball level switch rises or falls with the liquid level, so that the sensor detects the position of the reed switch chip in the tube, and sends a contact opening (off) switching signal.

One or more reed switches are installed in the closed non-magnetic tube, and then the tube is passed through one or more floating balls with hollow magnets inside, and the rise or fall of the liquid will move the floats up and down together. Thereby, the reed switch in the non-magnetic tube generates an action of sucking or breaking, thereby outputting a switching signal.

The float switch is a liquid level control device with simple structure, convenient use, safety and reliability. It has smaller volume, faster speed and longer life than the general mechanical switch. Compared with the electronic switch, it has strong anti-load shock resistance. Its characteristics have been widely used in shipbuilding, paper making, printing, generator equipment, petrochemical, food industry, water treatment, electrician, dye industry, hydraulic machinery and so on.

Float level switch wiring schematic

The float level switch is a switch that can adjust the liquid level of the water tank, bucket, pool, etc., and can also be used for the control and protection of the submersible pump. The float ball level switch has the advantages of automatic adjustment, easy installation, reliable quality, stable operation, non-toxic, non-polluting, and affordable, so it is widely used in homes, factories, mines and other places. The following is a schematic diagram of the wiring of the float level switch.

Circuit diagram analysis of float switch water level controller

Float level switch circuit diagram

Technical advantages of the float level switch: The float switch does not contain components that cause malfunctions and bellows, springs, seals, etc. Instead, a straight float is used to drive the internal magnet of the switch, and the simple lever of the float switch causes the switch to act instantaneously. The float cantilever angle is designed to prevent the float from being vertical. The float level switch is a liquid level controller with simple structure, convenient use, safety and reliability. It is faster than the general mechanical switch and has a long working life. Compared with the electronic switch, it has the characteristics of strong anti-load shock capability, and one product can realize multi-point control.

Since the float liquid level switch is composed of a reed switch and a float ball, the float ball built-in magnet absorbs the closing or opening of the reed switch contact, thereby outputting a signal alarm, and the two ends of the reed switch contact are respectively welded. line.

Circuit diagram analysis of float switch water level controller

If the float switch is a single point, then as shown in the following figure, if it is necessary to control the two liquid level, generally four lines are taken out, and two lines control one point, as shown in the figure. Of course, it is also possible to take out three lines, one public line, and the other two correspond to one point, as shown in China, in addition, the float switch produced by Chicheng Electronics appears as: black red, blue, white, yellow, etc. The above action points are analogized according to the wire. If you have special requirements for the outlet, you need to explain in advance.

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