Detection signal hardware protection circuit,

A technology for hardware protection and signal detection, applied in multiple input and output pulse circuits, etc., can solve problems such as inability to modify, and achieve the effect of improving flexibility and stability

Active Publication Date: 2016-05-04
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a detection signal hardware protection circuit to at least solve the problem that the protection value of the hardwar

Method used

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  • Detection signal hardware protection circuit,
  • Detection signal hardware protection circuit,
  • Detection signal hardware protection circuit,

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[0021] Example 1

[0022] The detection signal hardware protection circuit provided by the present invention will be described below with reference to the accompanying drawings.

[0023] figure 1 An optional structural block diagram showing the detection signal hardware protection circuit of the present invention, as figure 1 As shown, the detection signal hardware protection circuit includes: a reference voltage control circuit 10, which is used to provide a reference voltage signal for hardware protection, wherein the reference voltage signal is a voltage signal with a controllable magnitude; a hardware protection circuit 20, the first of the hardware protection circuit One input end is connected to the detection signal for detecting hardware, and the second input end of the hardware protection circuit is connected to the output end of the reference voltage control circuit, which is used to use the reference voltage signal output by the reference voltage control circuit as ...

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Abstract

The invention discloses a detection signal hardware protection circuit. The detection signal hardware protection circuit comprises a reference voltage control circuit used for providing a reference voltage signal of hardware protection, wherein the reference voltage signal is a voltage signal with a controllable size; and a hardware protection circuit, wherein a first input end of the hardware protection circuit is connected with a detection signal used for detecting hardware, and a second input end of the hardware protection circuit is connected with an output end of the reference voltage control circuit for using the reference voltage signal output by the reference voltage control circuit as a protection reference value and controlling the output of the detection signal to protect the hardware. The detection signal hardware protection circuit disclosed by the invention solves the problem that the protection value of the hardware protection circuit in the prior art is a constant value and cannot be randomly modified according to the external environment or the condition per se, and the flexibility and stability of the detection signal hardware protection circuit are improved.

Description

technical field [0001] The invention relates to the technical field of circuit protection, in particular to a detection signal hardware protection circuit. Background technique [0002] In power circuits such as electrical control, there are often some unstable factors, so it is necessary to design a protection circuit to prevent such unstable factors from affecting the circuit effect. As an important part of the power circuit, the protection circuit is widely designed and used. [0003] In the prior art, the detection signal hardware protection circuit is used to protect when the detection signal exceeds a certain protection value set by the hardware, and will send out a protection signal, so the circuit plays a vital role in the hardware control system. However, in traditional hardware circuit design, the protection value is set as a fixed value, which cannot be revised at any time according to the external environment and its own situation, which has great limitations. ...

Claims

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Application Information

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IPC IPC(8): H03K5/24
CPCH03K5/24
Inventor 杨坚戴彪宋爱
Owner GREE ELECTRIC APPLIANCES INC
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