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Remote sensing monitoring control circuit

A control circuit and remote sensing monitoring technology, which is applied in the direction of program control, computer control, general control system, etc., can solve the problems of low equipment working efficiency and easy failure of power supply

Pending Publication Date: 2019-03-01
ANHUI QINGYU PHOTOELECTRIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem that the power supply of the existing remote sensing monitoring circuit is prone to failure, which leads to low working efficiency of the equipment, the present invention provides a remote sensing monitoring control circuit

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1 Power module

[0035] refer to figure 2 , this implementation provides a remote sensing monitoring control circuit, the power module includes a power supply U1, wherein the VIN port of the power supply U1 is electrically connected to the EN port of the power supply U1 through a resistor R1, and the EN port of the power supply U1 is electrically connected to the level delay The conversion module, in this embodiment, the VIN port of the power supply U1 is also electrically connected to the GND1 port of the power supply U1, specifically, the VIN port of the power supply U1 is electrically connected to the GND1 port of the power supply U1 through a capacitor C5 and a capacitor C6, and at the same time The capacitor C5 and the capacitor C6 are connected in parallel with each other.

[0036] The power supply U1 also includes N VO ports, where N≥1 and N is an integer, and the size of N is determined by the number of circuits that need to be connected, so that th...

Embodiment 2

[0040] Embodiment 2 Under-voltage and over-voltage control module

[0041] refer to image 3 , this implementation provides a remote sensing monitoring control circuit, the undervoltage and overvoltage control module includes a voltage comparator U2, wherein the VIN port of the power supply U1 is electrically connected to the VCC port of the voltage comparator U2 through a resistor R6, and the voltage comparator U2 The VCC port is electrically connected to the UVV port of the voltage comparator U2 through the resistors R6 and R8, and electrically connected to the OVV port of the voltage comparator U2 through the resistors R6, R8 and R9. R10 is electrically connected to the GND port of the voltage comparator U2, wherein the resistors R6, R8, R9 and R10 are connected in series with each other, and at the same time, the resistors R6, R8, R9 and R10 are connected in parallel with the Zener diode D1. The voltage diode D1 is connected in parallel with a capacitor C8. In this embodi...

Embodiment 3

[0044] Embodiment 3 Level delay conversion module

[0045] refer to Figure 4 , this implementation provides a remote sensing monitoring control circuit, the level delay conversion module includes a transistor S1 and a transistor S2, wherein the transistor S1 is a PNP transistor, the transistor S2 is an NPN transistor, the base of the transistor S1 and the voltage comparator U2 port and The terminals are electrically connected through the resistor R3, and the emitter of the transistor S1 is directly electrically connected to the VIN port of the power supply U1, while the base of the transistor S1 is electrically connected to the VIN port of the power supply U1 through the resistor R2, and the collector of the transistor S1 is connected through a capacitor C7 is electrically connected to the GND1 port of the power supply U1.

[0046] In this embodiment, the base of the transistor S2 is electrically connected to the collector of the transistor S1 through a resistor R4, and i...

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PUM

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Abstract

The invention, which belongs to the technical field of self-resetting of the remote sensing monitoring power protection and system, discloses a remote sensing monitoring control circuit comprising a power supply module, an under-voltage and over-voltage control module, a level delay conversion module and a hardware cold reset module. The level delay conversion module and the hardware cold reset module that are connected in parallel are connected with the under-voltage and over-voltage control module electrically; and the under-voltage and over-voltage control module is connected with the powersupply module. According to the invention, the power supply module is controlled jointly by the output signal from the under-voltage and over-voltage control module and the output signal of the hardware cold reset module; and the level delay conversion module is controlled by the output signal from the hardware cold reset module. Since all modules work coordinately, the post-stage circuit can beprotected and the cold starting function of the rear-end system can be realized when the input power supply is in an overvoltage or under-voltage state.

Description

technical field [0001] The invention belongs to the technical field of remote sensing monitoring power supply protection and system self-resetting, and in particular relates to a remote sensing monitoring control circuit. Background technique [0002] At present, in the field of remote sensing monitoring, there are two main installation methods of monitoring equipment, mobile and fixed. Due to external environmental interference, such as electromagnetic interference, mechanical vibration, power supply abnormalities, etc., some abnormal situations occur in the system, such as equipment circuit burnout, abnormal circuit operation, etc., and related circuits need to be protected. [0003] Chinese Patent Publication No.: CN 103713724 A; Publication Date: April 9, 2014, which discloses a power-off start-up circuit and control method for a battery-equipped device. The circuit includes: transistor Q2 and PMOS transistor Q3, voltage dividing resistor R1 , R2 and R3, current limitin...

Claims

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Application Information

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IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/21119
Inventor 李大鹏左昌余黄才能陈庆华张莉刘琼
Owner ANHUI QINGYU PHOTOELECTRIC TECH