The invention relates to a vehicle overload protection system and a control method thereof, and belongs to the field of automobile safety. The overload protection system comprises a storage battery, afuse, an oil cut-off valve relay, a key switch, an oil cut-off valve, a triode, an alarm lamp, a single chip microcomputer and a safety relay. One path of the anode of the storage battery is respectively connected with the key switch and the control end of the triode through the fuse; the other path of the anode of the storage battery is connected with the single-chip microcomputer to supply power to the single-chip microcomputer; two paths of the key switch are respectively connected with the oil cut-off valve and the oil cut-off valve relay in parallel, one path of the oil cut-off valve relay is connected with the safety relay, a relay end of the safety relay is connected with the single-chip microcomputer, the single-chip microcomputer is connected with the alarm lamp through the triode, and negative ends of the alarm lamp, the single-chip microcomputer and the safety relay are connected with a negative electrode of the power supply. According to the method, the situation that thevehicle encounters a bumpy road surface or a special condition in the driving process and exceeds the rated load of the vehicle, an alarm is sent out mistakenly and the vehicle stops moving is considered.

    本发明涉及一种车辆防超载系统及其控制方法,属于汽车安全领域。所述的防超载系统,包括蓄电池、保险丝、断油阀继电器、钥匙开关、断油阀、三极管、报警灯、单片机和安全继电器。所述的蓄电池的正极一路通过保险丝分别与钥匙开关、三极管的控制端相连;蓄电池的正极的另一路与单片机相连为其供电;钥匙开关两路分别与断油阀和断油阀继电器并联,断油阀继电器的一路与安全继电器相连、安全继电器的继电器端与单片机相连,单片机通过三极管与报警灯相连,其中报警灯、单片机、安全继电器的负端与电源负极相连。本发明考虑到车辆在行驶中会遇到路面崎岖不平或特殊状况,导致超过车辆的额定载荷,从而错误的发出警报并使车辆停止移动。


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    Title :

    Vehicle overload protection system and control method thereof


    Additional title:

    一种车辆防超载系统及其控制方法


    Contributors:
    LIU SHAOHUA (author) / WU HAIDONG (author) / ZHOU TONGGEN (author) / ZHOU BAOZHI (author) / XU ZHOU (author)

    Publication date :

    2021-02-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01G Wägen , WEIGHING



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