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Contactor operating device

A technology for operating devices and contactors, applied in relays, electromagnetic relays, electromagnetic relay details, etc., to solve problems such as loss of contactors, failure of fire pumps to start, and failure of main contacts to act.

Pending Publication Date: 2021-04-23
江苏燊遥电器有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since the power of the contactor action is derived from the magnetic field generated by the current passing through the coil with iron core, when the controller fails or the control circuit fails, the conventional contactor loses the power source for the action, making the main contact unable to operate ; At this time, if a fire occurs, the fire pump will not be able to start, resulting in the failure of the fire protection system

Method used

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  • Contactor operating device
  • Contactor operating device
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Embodiment Construction

[0020] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the presently disclosed embodiments as recited in the appended claims.

[0021] see Figure 1-4 , in an embodiment of the present invention, a contactor operating device includes a manual operation module and a contactor main body 8 with a contact portion, the manual operation module includes a drive unit, a transmission unit and a seesaw structure, and the transmission unit passes through The connector is movably installed on the contactor ma...

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Abstract

The invention relates to the technical field of contactors, in particular to a contactor operating device which comprises a manual operation module and a contactor body with a contact part, the manual operation module comprises a driving unit, a transmission unit and a warping plate structure, and the transmission unit is movably installed on the contactor body through a connecting piece. Two ends of the warping plate structure are respectively in contact with the transmission unit and the contact part, the driving unit is in transmission connection with the transmission unit, the driving unit rotates to drive the transmission unit to move, the moving transmission unit is in contact with one end of the warping plate structure close to the transmission unit, and the other end of the warping plate structure is pried to drive the contact part to be switched on or off; the contactor operating device has the advantages that the contactor operating device is provided with the manual operation module, under the condition that a controller of the contactor breaks down or a control circuit breaks down, switching-on of the contactor can be manually achieved, then the fire pump is started, and failure of a fire extinguishing system is avoided.

Description

technical field [0001] The invention relates to the technical field of contactors, in particular to a contactor operating device. Background technique [0002] The contactor is widely used in the control circuit of the fire pump. When the control circuit is normal, after the coil of the contactor is energized, the current flowing through the coil generates a magnetic field to make the armature attract the iron core, and drive the main contact of the contactor to close, and the main circuit is connected. . When the contactor coil is powered off, the current flowing through the coil disappears, and the electromagnetic attraction of the armature also disappears, and the armature is released under the action of the release spring, so that the main contacts of the contactor are separated and the main circuit is broken. [0003] Since the power of the contactor action is derived from the magnetic field generated by the current passing through the coil with iron core, when the con...

Claims

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Application Information

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IPC IPC(8): H01H50/64
Inventor 刘延苏解浩
Owner 江苏燊遥电器有限公司
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