A drive protection circuit and device
A technology for driving protection circuits and gate circuits, which is applied in emergency protection circuit devices, electrical devices, transportation and packaging, etc., can solve the problems of lowering the safety performance of the whole vehicle, low integration, complex circuits, etc., and achieve improved circuit integration , improve safety performance, simplify the effect of the circuit
Active Publication Date: 2022-07-15
BYD CO LTD
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Problems solved by technology
[0004] However, the CPLD logic chip is a functional chip, and there is a great risk of failure, so it will still reduce the safety performance of the vehicle, and there is a problem of low safety performance, and the CPLD logic chip and the micro control unit (Micro Control Unit) Unit, MCU) belong to two independent chips, which will lead to complex circuits and low integration, which is not conducive to promotion
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[0043] In order to make those skilled in the art better understand the solutions of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only The embodiments are part of the present application, but not all of the embodiments.
[0044] The terms "first", "second" and "third" in the description embodiments and claims of the present application and the above drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or priority class. The terms "comprising" and "having" and any variations thereof in the specification examples and claims of the present application are intended to cover non-exclusive inclusion, eg, comprising a series of steps or elements.
[0045] Reference herein to an "embodiment" means that a particular ...
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The embodiments of the present application disclose a drive protection circuit and device. The drive protection circuit includes: a switch unit, a function core, a shared storage area, a safety protection core, a control circuit and an acquisition circuit; the switch unit is respectively connected with the control circuit, the acquisition circuit, and the function core, and the function core is connected with the shared storage area, and the shared storage The area is connected with the acquisition circuit and the safety protection core respectively, the safety protection core is connected with the acquisition circuit and the control circuit respectively, and the control circuit is connected with the acquisition circuit; the drive protection circuit will combine the function core for function control and the safety protection core for security protection. It becomes a microprocessor control unit, which not only improves the safety performance of the whole vehicle, but also simplifies the circuit, improves the circuit integration, and is conducive to popularization.
Description
technical field [0001] The present application relates to the technical field of electronic circuits, and in particular, to a drive protection circuit and device. Background technique [0002] The continuous increase in the number of automobiles in the world makes human life face many challenges such as energy shortage and global warming, and also promotes the development of automobile technology. More and more people have recognized various types of electric vehicles and fuel cell vehicles. It is a solution to achieve clean vehicles. Advanced electric vehicles include pure electric vehicles, hybrid electric vehicles and fuel cell electric vehicles, which have many advantages such as low pollution emissions, low heat radiation, low noise and environmental friendliness. [0003] At present, there are more and more electric vehicles and hybrid vehicles on the market, and many car companies use power drive modules to drive the motor. Therefore, the power drive module is the key...
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IPC IPC(8): B60L3/00H02H7/20H02P29/00H02P29/024H02P29/028
CPCB60L3/00B60L3/0061H02P29/00H02P29/028H02P29/0241H02P29/027H02H7/20Y02T10/64
Inventor 刘威梁岂源杜智勇
Owner BYD CO LTD