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Control circuit, control panel, electrical equipment and control method

A technology of control circuit and control method, applied in the direction of electrical connection test, etc., can solve problems such as short circuit of connection circuit, damage to driver board or smart board, etc.

Inactive Publication Date: 2020-10-30
HISENSE
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AI Technical Summary

Problems solved by technology

[0004] The present application provides a control circuit, a control board, electrical equipment and a control method, which solves the problem that when the two communication connectors of the driver board and the smart board are reversely connected, the connection circuit between the driver board and the smart board is short-circuited, which causes the drive Problems with damaged board or smart board

Method used

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  • Control circuit, control panel, electrical equipment and control method
  • Control circuit, control panel, electrical equipment and control method
  • Control circuit, control panel, electrical equipment and control method

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Embodiment Construction

[0036] A control circuit, an electrical device, and a control method provided in the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0037] The term "and / or" in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations.

[0038] The terms "first" and "second" in the specification and drawings of the present application are used to distinguish different objects, or to distinguish different processes for the same object, rather than to describe a specific sequence of objects.

[0039] In addition, the terms "including" and "having" mentioned in the description of the present application and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or ...

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Abstract

The invention provides a control circuit, a control panel, electrical equipment and a control method, relates to the technical field of electrical equipment control, and solves the problem that when two communication connectors are reversely connected, a connecting circuit between a driving board and an intelligent board is short-circuited, so that the driving board or the intelligent board is damaged. The control circuit comprises a first power supply port, a first grounding port, a second power supply port, a second grounding port and a detection branch. Wherein the first power supply port is connected with a first node of the detection branch, and the first grounding port is connected with a second node of the detection branch. The control circuit is configured to control the first nodeto be connected with the second grounding port and control the second node to be connected with the second power supply port when the potential of the first node is lower than that of the second node; and when the potential of the first node is higher than that of the second node, controlling the first node to be connected with the second power supply port, and controlling the second node to be connected with the second grounding port.

Description

technical field [0001] The present application relates to the technical field of electrical equipment control, in particular to a control circuit, a control board, electrical equipment and a control method. Background technique [0002] Smart electrical equipment generally includes a driver board and a smart board, and the driver board and the smart board can be connected through two communication connectors. When the driver board and the smart board are forward connected, the normal communication between the driver board and the smart board can be realized. Such as figure 1 As shown, if the driver board and the smart board are connected through a standard four-wire communication connector, when the communication connector A( figure 1 The power port VDD of the communication connector of the middle driver board) is connected to the communication connector B ( figure 1 When the power port VDD1 of the communication connector of the smart board) and the ground port GND of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/66
CPCG01R31/66
Inventor 陈坚波代苗苗
Owner HISENSE
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