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Load control circuit, load control module and electrical control box

A load control and control module technology, applied in the fields of electrical control boxes, load control modules, and load control circuits, can solve problems such as inability to adjust at will, reduce device maintenance times, facilitate maintenance and replacement, and reduce work stability and life. the effect of

Pending Publication Date: 2019-11-22
XINXIANG GUANGMING ELECTRIC APPLIANCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The thermal overload relay is designed for AC circuit overload protection, and its overload current is related to the electrical thermal bimetallic strip, which cannot be adjusted at will

Method used

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  • Load control circuit, load control module and electrical control box
  • Load control circuit, load control module and electrical control box
  • Load control circuit, load control module and electrical control box

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Embodiment 1: a kind of load control circuit, see Figure 2-3 , including a current power switch Q1, a current detection module 32 and a control module 31, the current detection module 32 is used to detect the load terminal current of the current power switch Q1, and outputs a first signal related to the load terminal current, and the control module 31 is used to receive The first signal; when the load terminal of the current power switch Q1 needs to be disconnected, the control module 31 outputs a second signal, and the control terminal of the current power switch Q1 responds to the second signal, so that the load terminal of the current power switch Q1 is disconnected, and the current power supply The load terminal of the switch Q1 needs to be disconnected, including the situation that the load terminal current corresponding to the first signal is greater than or equal to the set cut-off current, and also includes other situations where the load terminal needs to be di...

Embodiment 2

[0046] Embodiment 2: a load control module, see Figure 4-5 , including a control switch assembly 20 and a control module assembly 21.

[0047] The control switch assembly 20 includes a control switch base, a current power switch 202, the control switch base includes a load input conductive bar 2012 and a load output conductive bar 2013, and the current power switch 202 includes a load input pin 2023, a load output pin 2021, a load input pin 2023, and a load output pin 2021. The output pin 2025, the control input pin 2022 and the signal output pin 2024 related to the load terminal current, the load input pin 2023 is electrically connected to the load input conductive bar 2012, and the load output pin 2021 is electrically connected to the load output pin 2025. connected, and electrically connected to the load output conductive bar 2014. In this embodiment, the current power switch 202 is fixed on the load input conductive bar 2012 , specifically, the fixing hole 2020 of the cu...

Embodiment 3

[0055] Embodiment 3: a load control module, see Figure 6-7 , including a control switch assembly 20 and a control module assembly 21. As a further improvement to Embodiment 1, the following technical features are added in this embodiment:

[0056] Further, see Figure 7 , the first insulating seat 2011 includes a connector installation hole 20114, the control module base also includes a connector 2015, the pin 20151 of the connector 2015 is electrically connected to the load output conductive bar 2014, and the connector 2015 is installed in the connector installation hole 20114 .

[0057] Further, see Figure 8 The base of the control switch further includes a first insulating seat 2011 , the base of the control module further includes a second insulating seat 2111 , the second insulating seat 2111 is a casing, and the first insulating seat 2011 and the second insulating seat 2111 are hermetically connected.

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PUM

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Abstract

A load control circuit comprises a current power switch, a current detection module and a control module, the current detection module is used for detecting a load end current of the current power switch and outputting a first signal related to the load end current, and the control module is used for receiving a first signal; when the load end of the current power switch needs to be disconnected,the control module outputs a second signal, and the control end of the current power switch responds to the second signal to enable the load end of the current power switch to be disconnected, whereinthe disconnection condition of the load end of the current power switch comprises the situation that the load end current corresponding to the first signal is larger than or equal to a set cut-off current. According to the present invention, the maintenance frequency can be reduced on the basis of realizing the load circuit control and the current overload protection. A load control module comprises a control switch assembly and a control module assembly, and is convenient to maintain. An electrical control box comprises a shell, a heat conduction piece and the load control module, the shellis provided with a heat dissipation part, and the heat conduction piece is fixed in the shell and is in heat conduction connection with the heat dissipation part, so that the good heat dissipation isrealized.

Description

technical field [0001] The invention relates to the technical field of load control, in particular to a load control circuit and a load control module. [0002] The invention also relates to the technical field of electrical boxes, in particular to an electrical control box. Background technique [0003] The operating conditions of automobiles or other vehicles are harsh, and the design of its electrical control box needs to consider factors such as shockproof, waterproof, and easy maintenance. The electrical equipment of electric-driven new energy vehicles also includes high-current low-voltage DC electrical equipment. In the field of automotive electrical control technology, a current I≥30A is called a high current, and a current I<30A is called a small current. [0004] In the prior art, more than one relay KM is used to realize the on-off control of the load circuit. In order to protect the load equipment, a series fuse FU in the load circuit is also required. see ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/00H02H3/08
CPCB60L3/00H02H3/08
Inventor 胡广举刘洋徐志海孔令宾李金环陈远洲
Owner XINXIANG GUANGMING ELECTRIC APPLIANCE CO LTD
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