Magnetic drive pump with pressure sensor

A technology of pressure sensor and magnetic pump, applied in the field of magnetic pump, can solve the problems of wasting water source, wasting electric energy, pump damage, etc.

Inactive Publication Date: 2014-07-02
管兵
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the cooling water as the medium is interrupted, the pump runs as usual, so that the rotor is in a dry grinding state, which will cause great damage to the pump itself; at the same time, after the medium is interrupted, the pump continues to run, which wastes both electric energy and water.

Method used

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  • Magnetic drive pump with pressure sensor

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Embodiment Construction

[0010] A magnetic pump with a pressure sensor as shown in Figure 1 includes a magnetic pump body 1, a motor 4 in the magnetic pump body 1 and a pressure sensor 2, and the signal output end of the pressure sensor 2 is connected to the signal input end of the brake unit 3 , the signal output terminal of the braking unit 3 is connected with the motor 4 . The braking unit 3 is a PLC system, and the PLC system controls the on-off of the motor 4 through an external relay. The PLC system sets the program. When the cooling water flow decreases, the signal collected by the pressure sensor 2 is sent to the signal input terminal of the PLC system. After the PLC system processes it, the motor 4 is cut off, and the magnetic pump stops, which protects the magnetic pump. .

[0011] The present invention has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above methods, as lo...

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Abstract

The invention discloses a magnetic drive pump with a pressure sensor. The magnetic drive pump comprises a magnetic drive pump body, a motor inside the magnetic drive pump body and the pressure sensor. The signal output end of the pressure sensor is connected with the signal input end of a brake unit, and the signal output end of the brake unit is connected with the motor. By means of the structure, the magnetic drive pump has the advantages that after a cooling water medium is not supplied, a signal is sent to the pressure sensor, the motor is controlled to stop working, and the protection role is played; electricity, water and energy are saved.

Description

technical field [0001] The invention relates to the technical field of pumps, in particular to a magnetic pump with a pressure sensor. Background technique [0002] At present, the cooling method commonly used in magnetic pumps is: using cooling water to cool down the internal friction parts and sealing cover of the pump running at high speed. When the cooling water as the medium is interrupted, the pump runs as usual, so that the rotor is in a dry grinding state, which will cause great damage to the pump itself; at the same time, after the medium is interrupted, the pump continues to run, which wastes both electricity and water. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a magnetic pump with a pressure sensor for the deficiencies of the prior art. [0004] The technical solution of the present invention is: a magnetic pump with a pressure sensor, including a magnetic pump body, a motor in the magnetic pump...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B49/06
Inventor 管兵
Owner 管兵
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