CN207972546U - A kind of BMS systems dormancy awakening circuit - Google Patents
A kind of BMS systems dormancy awakening circuit Download PDFInfo
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- CN207972546U CN207972546U CN201820037079.9U CN201820037079U CN207972546U CN 207972546 U CN207972546 U CN 207972546U CN 201820037079 U CN201820037079 U CN 201820037079U CN 207972546 U CN207972546 U CN 207972546U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The utility model provides a kind of BMS systems dormancy awakening circuit, including：CAN communication is connected with the output CAN interface of CAN communication signal, the output end of CP signal isolation modules, the output end of monostable flipflop and the output end of MCU respectively with the input terminal of edging trigger module；Or the input terminal of gate signal processing module is connected with the output end of ACC grades of signals of output and the keyhole of ON grades of signals, the output end for the timer for exporting timing wake-up signal, CAN communication with the output end of the output end of edging trigger mould and MCU respectively；Or the output end of gate signal processing module is connected with the control terminal of system main power source.The utility model can carry out integrated treatment to multi-class wake-up signal, and a variety of dormancy awakening functions is realized under the dormancy awakening demand and low power capabilities for meeting multichannel.
Description
Technical field
The utility model is related to technical field of battery management, and in particular to a kind of BMS systems dormancy awakening circuit.
Background technology
As the market share shared by electric vehicle is increasing, electric vehicle has become very convenient in daily life
The vehicles, the travel time of people is greatly saved.Battery management system (BATTERY MANAGEMENT SYSTEM,
BMS) the power part as an important component and most critical in vehicle technology research, ensure that monomer
The reliability service of battery and battery pack.
On electric vehicle, battery system is made of one piece of low tension battery and power battery, the power supply of battery management system
It is provided by low tension battery, but due to operating power consumption of the self discharge of low tension battery itself and battery management system etc.,
Cause electric vehicle not in driving states, two kinds of battery capacities are all consumed constantly.With the continuous decline of battery capacity,
Finally may result in battery cross put, battery is unbalance etc., and extreme cases occur, and may directly damage battery, influence battery pack
Service life.In order to reduce the operating power consumption of battery management system, then need to enter suspend mode in an idle condition.
Therefore, how to design a kind of BMS systems dormancy awakening circuit, realize the intelligent dormancy awakening of battery management system with
And power consumption is reduced, it is a problem to be solved.
Utility model content
For the defects in the prior art, the utility model provides a kind of BMS systems dormancy awakening circuit, is adjusted by comprehensive
A plurality of types of logic controls and wake-up signal are managed, the intelligent dormancy awakening of BMS systems is reached, realizing reduces power consumption.
To achieve the above object, the utility model provides following technical scheme：
The utility model provides a kind of BMS systems dormancy awakening circuit, including：
CP signal isolation modules are used for transmission CP signals and interference signal are isolated；
Monostable flipflop, for converting the level signal of charging gun to temporary steady-state signal；
CAN communication and edging trigger module, for receiving CP signals and temporary steady-state signal or CP signals and CAN is logical
Interrogate signal when, to or gate signal processing module send triggering wake-up signal；
Be additionally operable to receive MCU send interrupt signal after, terminate to or gate signal processing module send triggering wake up letter
Number；
MCU, for CAN communication and edging trigger module send interrupt signal and to or gate signal processing module send
Be delayed power-off signal；
Or gate signal processing module, make system main power source be BMS system power supplies after triggering wake-up signal for reception, and
It is BMS system power supplies to stop system main power source after reception delay power-off signal；
It is additionally operable to after receiving the ACC shelves signal of keyhole, the ON shelves signals of keyhole or timing wake-up signal, makes system master
Power supply is BMS system power supplies；
The input terminal of the CAN communication and edging trigger module respectively with the CAN interface of output CAN communication signal, described
The output end of CP signal isolation modules, the output end of the monostable flipflop are connected with the output end of the MCU；
Described or gate signal processing module input terminal is defeated with the keyhole of ACC grades of signals of output and ON grades of signals respectively
Outlet, the output end of timer for exporting timing wake-up signal, the output end of the CAN communication and edging trigger mould and described
The output end of MCU is connected；
Described or gate signal processing module output end is connected with the control terminal of the system main power source.
Wherein, the charging gun includes：DC charging rifle and AC charging rifle.
Wherein, the level signal that the level signal and the AC charging rifle that the DC charging rifle generates generate passes through two
It is connected with the input terminal of the monostable flipflop after the NAND gate of input.
Wherein, the MCU is connected using SPI interface with the CAN communication with edging trigger module.
As shown from the above technical solution, a kind of BMS systems dormancy awakening circuit described in the utility model, can be to multiclass
Other wake-up signal carries out integrated treatment, and a variety of stop is realized under the dormancy awakening demand and low power capabilities for meeting multichannel
Dormancy arousal function.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
It can be obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram for BMS systems dormancy awakening circuit that the utility model embodiment provides.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment carries out clear, complete description, it is clear that retouched to the technical scheme in the embodiment of the utility model
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
A kind of BMS systems dormancy awakening circuit that the utility model embodiment provides, referring to Fig. 1, including：
CP signal isolations module 10 is used for transmission CP (Clock Pulse) signals and interference signal is isolated；
Monostable flipflop 20, for converting the level signal of charging gun to temporary steady-state signal；
CAN communication and edging trigger module 30, for receiving CP signals and temporary steady-state signal or CP signals and CAN
When (Controller Area Network) communication signal, to or gate signal processing module send triggering wake-up signal；
Be additionally operable to receive MCU (Microcontroller Unit) send interrupt signal after, terminate to or gate signal
Processing module sends triggering wake-up signal；
MCU40, for CAN communication and edging trigger module send interrupt signal and to or gate signal processing module send out
Send delay power-off signal；
Or gate signal processing module 50, for making system main power source be BMS system power supplies after receiving triggering wake-up signal, with
And it is BMS system power supplies to stop system main power source after reception delay power-off signal；
It is additionally operable to ACC (Adaptive Cruise Control) shelves signal of reception keyhole, the ON shelves signals of keyhole
Or after timing wake-up signal, it is BMS system power supplies to make system main power source；
The input terminal of the CAN communication and edging trigger module 30 respectively with the CAN interface of output CAN communication signal, institute
The output end of the output end, the monostable flipflop 20 of stating CP signal isolations module 10 is connected with the output end of the MCU40
It connects；
Described or gate signal processing module 50 the input terminal keyhole with ACC grades of signals of output and ON grades of signals respectively
Output end, the output end of timer for exporting timing wake-up signal, the output end of the CAN communication and edging trigger mould 30 and institute
The output end for stating MCU40 is connected；
Described or gate signal processing module 50 output end is connected with the control terminal of the system main power source.
In specific application, at BMS systems in the hibernation mode, when vehicle, which plugs charging gun, to be charged, charging
What rifle generated when connecting is the effective level signal of low level, and it is effectively electric that the logic conditioning by NAND gate is converted to high level
Ordinary mail number, then by the conditioning of monostable flipflop, the high level that the effective level signal of high level is converted to temporary stable state is believed
Number, the level signal of low level stable state is restored to after the time of the high level signal maintenance 1 second of temporary stable state.And monostable
The level signal that trigger generates when charging gun can also be avoided to connect is interfered caused by CP signals, improves detection CP signals
Precision.CP signals are sent to CAN communication and edging trigger module by CP signal isolations module, and it is defeated to be converted to level wake-up signal
Go out to or gate signal processing module, and the interference for avoiding other signals can also be isolated in CP signal isolations module.Charging gun connects
The level signal generated when connecing be sent to after monostable flipflop improves gate signal processing module or gate signal processing mould
Block is after receiving monostable flipflop conditioning after the signal that sends, the work of control system main power source, and BMS systems are from suspend mode
It is lower to enter exemplary operation state.MCU can keep the output of system main power source enable signal to ensure BMS system not power down, work as completion
MCU sends interrupt signal or removal power supply enable signal, BMS systems to CAN communication and edging trigger module when all charging works
System enters dormant state by exemplary operation state.
CP signals are sent to CAN communication and edging trigger module by CP signal isolations module, and are converted to level and are waken up letter
Number output to or gate signal processing module.CAN communication signal is directly inputted into or gate signal processing module, same as CP signals to pass through
Cross CAN communication and edging trigger module be converted to level wake-up signal by or gate signal processing module control the main electricity of wake-up system
Source, BMS systems enter exemplary operation state under suspend mode.
Wherein, CAN communication is to export to believe to the CAN communication signal of reception, CP signal isolation modules with edging trigger module
Number and monostable flipflop output signal centralized processing.
Further or gate signal processing module also directly receives the ON shelves signals of the ACC shelves signal of keyhole, keyhole
Signal is kept to be directly output to or gate signal processing module with the lower electricity of timing wake-up signal, MCU.When the ACC shelves of keyhole are believed
Number, the ON shelves signals of keyhole or timing wake-up signal are input to or when gate signal processing module can directly wake up main power source simultaneously
It is worked and is continued maintained until level signal removes, wherein MCU detects control when these signals return to original state
BMS systems enter dormant state.
Or gate signal processing module is collected to multichannel level signal, carries out judging output control logic drive system master
Power supply, and enabled main power source work.Or gate signal processing module integrates all logic controls and system main power source is directly made to give BMS systems
System power supply.
MCU is connected using SPI interface with CAN communication with edging trigger module, and MCU detects the ACC shelves letter of keyhole
Number, the ON shelves signals of keyhole or timing wake-up signal when returning to original state control BMS systems enter dormant state.
The power down of BMS systems is directly controlled by MCU, and MCU is for whole calculating and control；It ensures that in this way
It MCU processing and has preserved the case where autonomous power down avoids passive power down after all information and has occurred.
Further, the charging gun includes：DC charging rifle and AC charging rifle.
The level signal that the level signal and the AC charging rifle that the DC charging rifle generates generate is by two inputs
NAND gate after be connected with the input terminal of the monostable flipflop.
DC charging rifle connects the level signal generated with AC charging rifle after the NAND gate of two inputs, passes through list
The wake-up signal that steady state trigger switchs to temporary stable state is sent to CAN communication and edging trigger module.CAN communication and edging trigger mould
Block improves the signal of AC charging rifle and DC charging rifle, including：Convert level signal in of short duration temporary stable state letter
Number.
As can be seen from the above description, a kind of BMS systems dormancy awakening circuit provided by the utility model, can be to multi-class
Wake-up signal carries out integrated treatment, realizes that a variety of suspend mode is called out under the dormancy awakening demand and low power capabilities for meeting multichannel
Awake function.
In the specification of the utility model, numerous specific details are set forth.Although it is understood that the utility model
Embodiment can be put into practice without these specific details.In some instances, be not been shown in detail well known method,
Structure and technology, so as not to obscure the understanding of this description.Similarly, it should be understood that disclosed to simplify the utility model
And it helps to understand one or more of each utility model aspect, the retouching to the exemplary embodiment of the utility model above
In stating, each feature of the utility model is grouped together into sometimes in single embodiment, figure or descriptions thereof.However,
The method of the disclosure should not be explained and be intended in reflection is following：The requires of the utility model ratio i.e. claimed is in each power
The more features of feature that profit is expressly recited in requiring.More precisely, as the following claims reflect, it is practical new
It is all features less than single embodiment disclosed above in terms of type.Therefore, it then follows the claim of specific implementation mode
Thus book is expressly incorporated in the specific implementation mode, wherein independent implementation of each claim as the utility model itself
Example.It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can be mutual group
It closes.The utility model is not limited to any single aspect, is also not limited to any single embodiment, is also not limited to this
The arbitrary combination and/or displacement of a little aspects and/or embodiment.Furthermore, it is possible to be used alone in terms of each of the utility model and/
Or embodiment or with it is one or more other aspect and/or embodiment be used in combination.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (4)
1. a kind of BMS systems dormancy awakening circuit, which is characterized in that including：
CP signal isolation modules are used for transmission CP signals and interference signal are isolated；
Monostable flipflop, for converting the level signal of charging gun to temporary steady-state signal；
CAN communication and edging trigger module, for receiving CP signals and temporary steady-state signal or CP signals and CAN communication letter
Number when, to or gate signal processing module send triggering wake-up signal；
Be additionally operable to receive MCU send interrupt signal after, terminate to or gate signal processing module send triggering wake-up signal；
MCU, for CAN communication and edging trigger module send interrupt signal and to or gate signal processing module forward delay interval
Power-off signal；
Or gate signal processing module, for making system main power source be BMS system power supplies, and reception after receiving triggering wake-up signal
It is BMS system power supplies to stop system main power source after delay power-off signal；
It is additionally operable to after receiving the ACC shelves signal of keyhole, the ON shelves signals of keyhole or timing wake-up signal, makes system main power source
For BMS system power supplies；
The input terminal of the CAN communication and edging trigger module is believed with the CAN interface of output CAN communication signal, the CP respectively
Number output end of isolation module, the output end of the monostable flipflop are connected with the output end of the MCU；
The output with ACC grades of signals of output and the keyhole of ON grades of signals respectively of described or gate signal processing module input terminal
End, the output end of timer of output timing wake-up signal, the output end of the CAN communication and edging trigger mould and the MCU
Output end be connected；
Described or gate signal processing module output end is connected with the control terminal of the system main power source.
2. a kind of BMS systems dormancy awakening circuit according to claim 1, which is characterized in that the charging gun includes：Directly
Current charge rifle and AC charging rifle.
3. a kind of BMS systems dormancy awakening circuit according to claim 2, which is characterized in that the DC charging rifle production
The level signal that raw level signal and the AC charging rifle generate is touched after the NAND gate of two inputs with the monostable
The input terminal of hair device is connected.
4. a kind of BMS systems dormancy awakening circuit according to claim 1, which is characterized in that the MCU is connect using SPI
Mouth is connected with the CAN communication with edging trigger module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820037079.9U CN207972546U (en) | 2018-01-09 | 2018-01-09 | A kind of BMS systems dormancy awakening circuit |
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| CN201820037079.9U CN207972546U (en) | 2018-01-09 | 2018-01-09 | A kind of BMS systems dormancy awakening circuit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110722989A (en) * | 2019-09-09 | 2020-01-24 | 安徽力高新能源技术有限公司 | New energy automobile battery management system dormancy method |
| CN110843531A (en) * | 2019-10-30 | 2020-02-28 | 东软睿驰汽车技术（沈阳）有限公司 | Device, method and system for controlling EVCC dormancy and electric automobile |
| CN111176187A (en) * | 2020-01-08 | 2020-05-19 | 合肥阳光电动力科技有限公司 | Power management system and protection method of motor controller |
| CN111313374A (en) * | 2020-03-09 | 2020-06-19 | 深圳市麦澜创新科技有限公司 | Battery system under-voltage protection circuit and method applied to electric bicycle BMS |
| CN111332152A (en) * | 2020-03-09 | 2020-06-26 | 深圳市麦澜创新科技有限公司 | Activation and dormancy circuit and method applied to BMS (battery management system) of electric bicycle |
| CN111942154A (en) * | 2020-07-28 | 2020-11-17 | 广州汽车集团股份有限公司 | Wake-up device for battery management system and vehicle |
| CN112904080A (en) * | 2021-01-11 | 2021-06-04 | 惠州市德赛西威汽车电子股份有限公司 | Low-power consumption instrument system based on Ethernet communication |
| CN112918409A (en) * | 2019-12-06 | 2021-06-08 | 厦门雅迅网络股份有限公司 | Power supply management system and method |
| CN114859785A (en) * | 2022-05-06 | 2022-08-05 | 重庆标能瑞源储能技术研究院有限公司 | Novel engineering machine tool BMS controller |
-
2018
- 2018-01-09 CN CN201820037079.9U patent/CN207972546U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110722989A (en) * | 2019-09-09 | 2020-01-24 | 安徽力高新能源技术有限公司 | New energy automobile battery management system dormancy method |
| CN110722989B (en) * | 2019-09-09 | 2021-05-18 | 力高(山东)新能源技术有限公司 | New energy automobile battery management system dormancy method |
| CN110843531A (en) * | 2019-10-30 | 2020-02-28 | 东软睿驰汽车技术（沈阳）有限公司 | Device, method and system for controlling EVCC dormancy and electric automobile |
| CN112918409A (en) * | 2019-12-06 | 2021-06-08 | 厦门雅迅网络股份有限公司 | Power supply management system and method |
| CN112918409B (en) * | 2019-12-06 | 2023-09-29 | 厦门雅迅网络股份有限公司 | Power management system |
| CN111176187A (en) * | 2020-01-08 | 2020-05-19 | 合肥阳光电动力科技有限公司 | Power management system and protection method of motor controller |
| CN111313374A (en) * | 2020-03-09 | 2020-06-19 | 深圳市麦澜创新科技有限公司 | Battery system under-voltage protection circuit and method applied to electric bicycle BMS |
| CN111332152A (en) * | 2020-03-09 | 2020-06-26 | 深圳市麦澜创新科技有限公司 | Activation and dormancy circuit and method applied to BMS (battery management system) of electric bicycle |
| CN111942154A (en) * | 2020-07-28 | 2020-11-17 | 广州汽车集团股份有限公司 | Wake-up device for battery management system and vehicle |
| CN112904080A (en) * | 2021-01-11 | 2021-06-04 | 惠州市德赛西威汽车电子股份有限公司 | Low-power consumption instrument system based on Ethernet communication |
| CN112904080B (en) * | 2021-01-11 | 2022-12-30 | 惠州市德赛西威汽车电子股份有限公司 | Low-power consumption instrument system based on Ethernet communication |
| CN114859785A (en) * | 2022-05-06 | 2022-08-05 | 重庆标能瑞源储能技术研究院有限公司 | Novel engineering machine tool BMS controller |
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