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Li-ion hand riveter control and protection circuit

A technology of power control circuit and protection circuit, applied in emergency protection circuit devices, electrical components, etc., can solve the problems of large self-consumption of circuit, high cost, complicated circuit, etc., to achieve the effect of safe use and improved service life

Active Publication Date: 2014-02-12
深圳欣旺达智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a design scheme has defects and deficiencies such as complex circuits, many components, poor reliability, high cost, high impedance of the main circuit, and large self-consumption of the circuit due to the fact that two circuit boards are installed in different places.

Method used

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  • Li-ion hand riveter control and protection circuit
  • Li-ion hand riveter control and protection circuit
  • Li-ion hand riveter control and protection circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] In this embodiment, a lithium electric riveting gun control and protection circuit includes:

[0024] 1. For the power control circuit of the riveting gun, for products powered by lithium batteries, if the power is turned on only when it needs to work, the whole machine is completely turned off when it is not working, which can greatly extend the battery life. , the specific circuit implementation is as follows: Q3 (PNP transistor or P-channel MOSFET) and Q4 (NPN transistor or N-channel MOSFET) control the circuit power supply, when the main switch SW1 (which can be various mechanical switches or electronic switches (photoelectric , Hall, etc.) When pressed, on the one hand, the battery voltage will give the control pole of Q4 a high level through the series circuit of R2, D4 and R5, so that Q4 and Q3 will be turned on successively, and the V+ terminal will output the battery voltage. The circuit outputs +5V voltage, and starts to supply power to the main control MCU of...

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PUM

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Abstract

The invention discloses a li-ion hand riveter control and protection circuit. The li-ion hand riveter control and protection circuit comprises a hand riveter main control MCU (Micro Controller Unit) module and a hand riveter power control circuit module, a hand riveter temperature detection module, a hand riveter in-situ detection module, a hand riveter braking module and a hand riveter current detection module which are connected with the hand riveter main control MCU module; the hand riveter power control circuit module is connected with a positive pole output end of a lithium battery pack through a hand riveter master control switch; the hand riveter temperature detection module is connected with an NTC(Negative Temperature Coefficient) output end which is arranged inside the lithium battery pack through an NTC input end of a hand riveter; one end of the hand riveter braking module is connected with a hand riveter operating motor through a hand riveter motor reversing switch. The li-ion hand riveter control and protection circuit has the advantages of being long in service life, safe and convenient and efficient.

Description

Technical field [0001] The present invention involves a lithium -battery pull riveting gun control and protection circuit. Background technique [0002] The use of electric pull riveting guns is largely convenient for indoor and outdoor pull rivet operations. The current electric pull riveting guns in the industry generally use nickel -cadmium and nickel -hydride batteries as power supply, and the simple logic control of simple relay and microcontroller switches insideDue to the control circuit, the control circuit is controlled by relay, the mechanical and electrical life of the contacts are very limited, and it is easy to damage. Due to the limitations of environmental protection requirements and weight density, electric pull riveting guns using this type of battery will gradually gradually gradually gradually gradually gradually gradually gradually gradually gradually gradually gradually.Exit the market, and the electric pull riveting guns using lithium batteries are light, co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J15/28H02H7/18H02H7/08
Inventor 黄跃进黄宇辰
Owner 深圳欣旺达智能科技有限公司
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