Vehicle-mounted control system using farad capacitor battery
An in-vehicle control system, capacitor battery technology, applied in the direction of efficient vehicle charging, vehicle components, circuits or fluid pipelines, etc., can solve the problems of unfavorable product compatibility design, vehicle-mounted control system to provide operating current, and high cost
Pending Publication Date: 2021-05-11
SOYEA TECH
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Problems solved by technology
[0003] At present, in the traditional on-board control system equipment, it is not necessarily equipped with a backup battery, so that after the main power supply on-board battery is powered off, it cannot provide working current for the on-board control system, and the system data is lost instantly; or even if there is a backup battery, the capacity of the backup battery is limited , if it is used for a long time, it will cause its over-discharge and affect its service life: some need to use a special battery charge and discharge management chip for backup battery management, but the cost is high, and at the same time, due to different battery characteristics, it is necessary to choose according to different batteries. Different chips are not conducive to product compatible design
Method used
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Embodiment 1
[0014] The vehicle-mounted control system using the farad capacitor battery described in this embodiment includes an input voltage, a voltage conversion circuit and a vehicle-mounted control system. The input voltage is converted to a rated voltage by a voltage conversion circuit to supply power to the vehicle-mounted control system. The control systems are also connected to a Farad capacitor backup battery through a charging and discharging switching circuit, and the input voltage is also directly connected to the charging and discharging switching circuit.
[0015] The Farah capacitor backup battery is made up of two series connected Farah capacitors FC1 and FC2, and its negative pole is grounded;
[0016] The charging and discharging switching circuit includes the input voltage VIN, and the working voltage Vsupply obtained by the voltage conversion circuit:
[0017] The input voltage VIN is grounded after passing through the series resistor R1 and resistor R2, and the B pol...
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The invention relates to a vehicle-mounted control system using a farad capacitor battery, and provides a device for realizing charge and discharge non-interruption switching of a farad capacitor standby battery. When the external power supply is connected, the farad capacitor is charged, the connection condition of the external power supply is automatically detected, and when the external power supply is disconnected, the farad capacitor is switched to supply power. The system has the advantages and positive effects that the farad capacitor of the system can be charged to any potential within the rated voltage range of the farad capacitor and can be completely discharged; however, the common battery is limited by the chemical reaction of the common battery to work within a narrower voltage range, and permanent damage can be caused if the farad capacitor is over-discharged; meanwhile, being different from other existing switching devices, which use an MCU to detect an external power supply and switch charging and discharging states to generate time delay and state errors caused by running-away of an internal program of the MCU, pure hardware is adopted to detect switching, so that the real-time performance and reliability are improved.
Description
technical field [0001] The invention relates to the electrical field of vehicle equipment, in particular to a vehicle control system using a farad capacitor battery. Background technique [0002] The on-board control system is an important part of the Internet of Vehicles system. It mainly completes the collection, interaction, display and upload of data inside and outside the car, and can realize functions such as remote control and air upgrade. [0003] At present, in the traditional on-board control system equipment, it is not necessarily equipped with a backup battery, so that after the main power supply on-board battery is powered off, it cannot provide working current for the on-board control system, and the system data is lost instantly; or even if there is a backup battery, the capacity of the backup battery is limited , if it is used for a long time, it will cause its over-discharge and affect its service life: some need to use a special battery charge and discharge...
Claims
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IPC IPC(8): B60R16/03B60R16/033
CPCB60R16/03B60R16/033Y02T10/92
Inventor 顾晨郑鹏吴泓雯金昊炫施浏晟胡权周伯涛楼勇亮
Owner SOYEA TECH