Dong Guan Juxing Power Co., Ltd.

Guangdong Boltpower Energy Co., Ltd

Yuefei Liao

Dewen Ma

Yexin Ji

Xiong Li

Yankai Liu

Ruiguang Huang

Jixiang Xie

Ziyuan Liu

The present disclosure is applicable to the technical field of vehicles, and provides a jumper cable for emergency start of vehicles, an integrated starting power supply device, and a vehicle starting method. The jumper cable includes input terminals, clamping ends, and a charging portion. The charging portion includes a main charging circuit, a bypass charging circuit, and a microcontroller. The microcontroller is configured to control the bypass charging circuit to be switched on to pre-charge a vehicle battery and control the main charging circuit to be switched on to charge the vehicle battery when a relative relationship between an output voltage and an input voltage of the bypass charging circuit meets a preset loading condition so as to enable a vehicle to be started and ignited.

Jumper cable, integrated starting power supply device, and starting and igniting method

The present disclosure provides a portable standby starting device for a vehicle. The portable standby starting device includes a battery circuit, a load access detecting circuit, and a vehicle starting circuit, wherein the battery circuit is coupled to the load access detecting circuit and the vehicle starting circuit, and is configured to supply power to the load access detecting circuit and the vehicle starting circuit; the load access detecting circuit is coupled to the vehicle starting circuit, and is configured to detect whether the vehicle starting circuit is connected to a vehicle load; the vehicle starting circuit is configured to, when the load access detecting circuit detects the connection of the vehicle load, output a vehicle starting current for controlling an ignition operation performed for the vehicle.

Portable standby starting device and standby starting tool for vehicle

The present invention discloses a constant-current charging circuit, energy storage power source and constant-current charging method. The constant-current charging circuit includes a DC-DC converting circuit and a current-feedback circuit. A voltage output of the DC-DC converting circuit is a positive output of the constant-current charging circuit. A negative output of the DC-DC converting circuit is connected to a ground. The DC-DC converting circuit is connected to positive and negative terminals for a direct current voltage power supply. The current-feedback circuit includes first to third resistors and a reference voltage terminal. The reference voltage terminal is connected to the ground via the first to third resistors being connected in series. A connection point between the third resistor and the second resistor is a negative output of the constant-current charging circuit. A connection point between the first and second resistors is connected with a feedback terminal of the DC-DC converting circuit.

Constant-current charging circuit, energy storage power source and constant-current charging method

Portable power station

The present disclosure provides a smart jumper cable having a display module, which comprises a pair of clamps and a control module. The clamps are configured to electrically connect to a vehicle battery; the control module is electrically connected with the clamps through electric wires; the control module further comprises an input port for connecting with an external power supply. The control module comprises a MCU, a switch module and a display module; wherein the display module is electrically connected with the MCU. The switch module is configured to turn on/off the power-supply to the vehicle battery from the external power supply; and the switch module is controlled by the MCU. The smart jumper cable having a display module can display not only the load voltage but also some other working status visually.

Smart jumper cable having a display module

The present invention discloses a switching control method for a dual auxiliary power supply comprising a master control module, a main auxiliary power supply, and a sleep auxiliary power supply, wherein the master control module controls the main auxiliary power supply by a switch control unit, and is further coupled to a trigger detection circuit powered by the sleep auxiliary power supply; and the main auxiliary power supply outputs a control signal to an energy conversion module. The sleep auxiliary power supply is constantly in an operation state; under the control of the switch control unit, (1) the main auxiliary power supply is in a locked state when no trigger signal is detected or the trigger signal is invalid, and (2) the main auxiliary power supply is in an operation state when a trigger signal is detected or a startup instruction is received.

Switching control method for a dual auxiliary power supply

A car jump starter power bank includes its shell, control circuit, battery pack, charging circuit and ignition circuit with an ignition interface, there is an electric quantity indication module on the shell, the electric quantity indication module is an LED indicator or LCD display, the charging circuit is used for charging the battery pack, the ignition circuit is used for power output for the ignition of the automobile, the positive and negative electrodes of the battery pack are connected with two output wires through two connection straps, and the two output wires are connected with the ignition interface, electrodes of neighboring single batteries are welded by high-frequency pulses, there are insulating strips that separate electrodes between neighboring single batteries. The structure of such battery pack and car jump starter power bank is quite simple and easy to implement with stable quality.

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Dongguan, China

Yuefei Liao