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Speed changing box booster system electric-controlled unit containing low gear electromagnetic valve low-power consumption maintaining circuit

A technology for maintaining circuits and booster systems, applied to components with teeth, transmission device control, transmission device parts, etc., can solve problems such as damage to the self-generated life of the solenoid valve, large safety hazards, overheating of the solenoid valve, etc., to prolong the service life , Reliable start, and the effect of reducing heat energy

Inactive Publication Date: 2009-11-04
山西省电子工业科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the case of heavy-duty climbing, the car is in a low-gear running state, and it is usually easy to lose gear due to the overload of the gearbox, which poses a great safety hazard
The normally open low-grade solenoid valve solves the out-of-gear problem, but using the low-grade solenoid valve to normally open at this time will cause the solenoid valve to overheat, which will cause fatal damage to the self-life of the solenoid valve

Method used

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  • Speed changing box booster system electric-controlled unit containing low gear electromagnetic valve low-power consumption maintaining circuit
  • Speed changing box booster system electric-controlled unit containing low gear electromagnetic valve low-power consumption maintaining circuit
  • Speed changing box booster system electric-controlled unit containing low gear electromagnetic valve low-power consumption maintaining circuit

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Embodiment Construction

[0023] The specific embodiment of the invention will be described below in conjunction with the accompanying drawings.

[0024] figure 1 As shown, the electronic control unit and peripheral circuit diagram of the truck gearbox booster system. The electronic control unit of the truck gearbox booster system includes the status switch 1 of the gearbox; the analog signal 2 of the gear rotation frequency of the gearbox; the off-gear monitoring and driving solenoid valve circuit 7; the voltage stabilizing circuit 11; the alarm 10; the gearbox overspeed prevention Circuit 3; high and low gear switching circuit 4; alarm circuit 5 when the gear cannot be shifted; engine overspeed prevention circuit 6; relay 8; low power solenoid valve low power consumption maintenance circuit 12. The electronic control unit inputs the gearbox state switch 1 and the automobile gearbox gear speed analog signal 2 into the gearbox overspeed prevention circuit 3, the high and low gear action circuit 4, the...

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PUM

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Abstract

The invention relates to an electrical control unit of a speeding box power system comprising a low grade magnetic valve and low power holding circuit, comprising a speeding box overspeed prevention circuit, a grade shifting circuit, an alarming circuit for shifting failure, a motor overspeed prevention circuit, an out-off-gear monitoring and drive magnetic valve circuit, and a relay. The invention is mainly characterized in that: the electrical control unit of the speeding box power system of a loaded vehicle comprises the low grade magnetic valve and low power holding circuit, which comprises a DC / DC shifting circuit, an output judging circuit, a start-up circuit, and an isolation circuit and so on. The invention can cut down power consumption, prevent the damage of the magnetic valve for long term of high temperature working condition, thus prolonging the service life of the magnetic valve, and ensuring the safety of vehicles during running period.

Description

technical field [0001] The invention belongs to automobile electronic products, and mainly relates to an electric control unit of a booster system of a gearbox of a truck. Background technique [0002] With the improvement of people's living standards, the further expansion of reproduction has brought rapid changes to the logistics and transportation industry. The automobile transportation industry is playing an increasingly powerful role along with the expressway network connection. How to make the goods safely and quickly transported to the destination has become an important issue in the automobile manufacturing industry. The current electronic control unit (hereinafter referred to as the electronic control unit) of the automobile gearbox assist system can enable the driver to obtain assistance during the shifting process, and can also issue warnings for improper operation. It not only reduces labor intensity and fatigue, but also improves the driver's attention and com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H61/00F16H59/00F16H57/00
Inventor 邢工兵张德义胡瑞忠王建生
Owner 山西省电子工业科学研究院
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