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Battery high-voltage detection device, battery, power system and automobile

A high-voltage detection and battery technology, applied in the field of vehicles, can solve the problems of high-voltage loop voltage, inaccurate current value, unstable operation of the main control processor, etc., to ensure safe and stable operation, accurate voltage value, and avoid signal distortion.

Inactive Publication Date: 2020-09-15
摩登汽车有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the inaccurate calculated voltage and current values ​​of the high-voltage circuit caused by the distortion of the low-voltage signal or the doping of the clutter signal when the high-voltage detection circuit is transmitted to the main control processor in the prior art, which further leads to the inaccuracy of the main control processor. job instability

Method used

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  • Battery high-voltage detection device, battery, power system and automobile

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Embodiment 1

[0042] An implementation of this embodiment discloses a battery high voltage detection device, such as figure 1 As shown, the battery high voltage detection device 100 includes: a high voltage detection module 110 and a main controller 120 which are separated from each other.

[0043] Specifically, in this embodiment, the high voltage detection module 110 includes: an acquisition circuit 111 , a slave controller 112 and a first wireless communication module 113 .

[0044] More specifically, in this embodiment, the collection circuit 111 collects electrical signals of the high-voltage circuit of the battery 200 and transmits the electrical signals to the slave controller 112 , where the electrical signals include voltage signals and current signals.

[0045] More specifically, in this embodiment, the slave controller 112 is connected to the first wireless communication module 113 , and transmits the received electrical signal to the master controller 120 through the first wirel...

Embodiment 2

[0070] This embodiment provides a kind of battery, as in embodiment 1 figure 1 As shown, the battery includes a battery body and the battery high voltage detection device 100 in Embodiment 1. The high voltage detection module 110 in the battery high voltage detection device 100 is connected to the battery body for detecting high voltage signals in the battery.

[0071] Specifically, since the battery includes the battery high-voltage detection device 100 in Embodiment 1, the battery high-voltage detection device 100 sets the high-voltage detection module 110 and the main controller 120 on different circuit boards, compared with the high-voltage detection module 110 In terms of being arranged on the same circuit board as the main controller 120 , the electromagnetic interference of the high voltage detection module 110 on the main controller 120 is avoided. Furthermore, the stability of the working performance of the battery in this embodiment can be improved.

Embodiment 3

[0073] This embodiment provides a power system, including: a driving motor and the battery in Embodiment 2, the battery is connected to the driving motor, and is used to provide electric energy for the driving motor.

[0074] Specifically, since the power system includes the battery in embodiment 2, as in embodiment 1 figure 1As shown, and the high-voltage detection device in the battery, the high-voltage detection module 110 and the main controller 120 are arranged on different circuit boards, which can avoid the electromagnetic interference of the high-voltage detection module 110 to the main controller 120, so that the working performance of the battery is relatively high. Stable, the battery with this structure provides electric energy for driving the motor, which can make the working performance of the power system relatively stable.

[0075] More specifically, in this embodiment, the driving motor can be any one of various types of motors such as servo motors and steppin...

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Abstract

The invention discloses a battery high-voltage detection device, a battery, a power system and an automobile. The battery high-voltage detection device comprises a high-voltage detection module and amain controller which are separated from each other. The high-voltage detection module comprises an acquisition circuit, a slave controller and a first wireless communication module; the acquisition circuit acquires an electric signal of a high-voltage loop of the battery, converts the electric signal into a digital signal and transmits the digital signal to the slave controller; the main controller is provided with a second wireless communication module, and the second wireless communication module receives the digital signal from the first wireless communication module. Due to the fact thatthe high-voltage detection module and the main controller are arranged on different circuit boards of the battery high-voltage detection device, compared with the mode that the high-voltage detectionmodule and the main controller are arranged on the same circuit board, electromagnetic interference of the high-voltage detection module to the main controller is avoided. Therefore, the voltage valueof the high-voltage loop calculated by the main controller is accurate, and safe and stable operation of an automobile is guaranteed.

Description

technical field [0001] The invention relates to the field of vehicles, in particular to a battery high voltage detection device, a battery, a power system and an automobile. Background technique [0002] With the continuous advancement of new energy technologies, the application in the automotive industry is becoming more and more extensive. Among the key components of electric vehicles, the battery module as a power device is one of the important components of electric vehicles, and its high-voltage circuit part is the core of the core. [0003] The working condition of the high-voltage circuit of the electric vehicle is the key to the normal driving of the electric vehicle, which is related to the safety and normal driving of the whole vehicle. Therefore, the detection of the high-voltage circuit of the battery must be paid attention to. At present, the detection of the high-voltage circuit of electric vehicles is to use the high-voltage detection circuit and the main con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/00B60L58/12
CPCB60L3/0046B60L2240/547B60L58/12Y02T10/70Y02T90/16
Inventor 刘涛
Owner 摩登汽车有限公司
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