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A Relay with Instantaneous Voltage Loss Protection

A voltage-loss protection and relay technology, applied in the direction of relays, electromagnetic relays, detailed information of electromagnetic relays, etc., can solve the problems of high UPS power supply costs, difficult on-site transformation, and affecting the timeliness of automatic control, etc.

Active Publication Date: 2022-01-14
深圳市明你科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The cost of UPS power supply is high, and it is difficult to modify on site, while the relay with delayed disconnection function affects the timeliness of automatic control

Method used

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  • A Relay with Instantaneous Voltage Loss Protection
  • A Relay with Instantaneous Voltage Loss Protection
  • A Relay with Instantaneous Voltage Loss Protection

Examples

Experimental program
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Embodiment Construction

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0043] Such as figure 1 As shown, a relay with instantaneous voltage loss protection, the relay includes a housing 1, a main terminal 21, a control current terminal 22, an independent contact 3, an electrical contact 4, a main return spring 5, and a step displacement assembly 6. Electromagnet assembly 7,

[0044] The independent contact 3, the electric contact 4, the main return spring 5, the step displacement assembly 6, and the electromagnet assembly 7 are ...

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Abstract

The invention discloses a relay with instantaneous voltage loss protection. The relay includes a contact body and a step displacement assembly. The component locks the central column so that the displacement of the central column can only change in jumps. The step displacement assembly includes an oil casing, a piston, and a one-way valve. The oil casing is fixed inside the casing, the piston is set in the oil casing and can slide along the inner wall of the oil casing, and the piston separates the oil casing into two parts. One is the down-pressure chamber close to the independent contact, and the other is the up-pressure chamber far away from the independent contact. The down-pressure chamber and the up-pressure chamber are respectively equipped with check valves with step resistance, and the one-way When the valve is turned on, the conduction resistance tends to be zero, the piston is installed on the center column, and the down pressure chamber and the up pressure chamber are filled with oil.

Description

technical field [0001] The invention relates to the technical field of relays, in particular to a relay with instantaneous voltage loss protection. Background technique [0002] The relay is a widely used device in the field of automatic control. Its main function is to use a small control current to control the on-off of the high-current circuit, that is, to play the role of switching the high-current circuit. [0003] In the prior art, the general structure of the relay is: the control current flows into a coil, and the coil pulls the armature so that the contacts connected to the high-current circuit are connected to complete the connection process. When the main circuit needs to be disconnected, the control current is removed. The coil no longer generates magnetism, the armature is no longer attracted, and then pushed to another position by the spring, the contact connected with the high-current circuit is disconnected, and the disconnection process is completed. [000...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H47/02H01H47/04H01H47/22H01H50/34H01H50/20H01H50/54H01H50/44
CPCH01H47/02H01H47/04H01H47/22H01H50/34H01H50/20H01H50/54H01H50/44
Inventor 凌远斌
Owner 深圳市明你科技有限公司
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