CN110254290A - BMS battery management communication system - Google Patents
BMS battery management communication system Download PDFInfo
- Publication number
- CN110254290A CN110254290A CN201910540878.7A CN201910540878A CN110254290A CN 110254290 A CN110254290 A CN 110254290A CN 201910540878 A CN201910540878 A CN 201910540878A CN 110254290 A CN110254290 A CN 110254290A
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- CN
- China
- Prior art keywords
- module
- signal
- auxiliary circuit
- power
- communication system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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 present invention provides a kind of BMS battery management communication system comprising power module, main control module, auxiliary circuit module, signal detection module and signal fusing module；One end of power module is connected with the startup power supply, and the other end is connected with the main control module and the auxiliary circuit module respectively, the first voltage for exporting the startup power supply is converted into being exported respectively after second voltage to the main control module and the auxiliary circuit module；Signal detection module is used to monitor the state of power battery, and the signal stored in the signal monitored and signal fusing module is compared, the result of comparison is sent to main control module by signal fusing module, and main control module issues first control signal or second control signal to control the work of power module.Compared with prior art, beneficial effect is: greatly reducing system energy consumption, the component in auxiliary circuit module has the component of low-power consumption mode without selection, and then can reduce production cost.
Description
[technical field]
The lower and lower-cost BMS cell tube the present invention relates to technical field of battery management more particularly to a kind of power consumption
Manage communication system.
[background technique]
BMS battery management system (Battery Management System, BMS) is connection vehicle mounted dynamic battery and electricity
The important tie of electrical automobile.When power battery in running order (charge or discharge), BMS battery management system is also at
Normal working condition is to be managed power battery.When power battery is in off working state, BMS battery management system
Into low-power consumption mode (dormant state) to reduce system energy consumption.
However, although existing BMS battery management system is able to enter low-power consumption mode, but some auxiliary circuits, example
Such as resistance, inductance, triode and diode element do not have low-power consumption mode, can still generate energy loss.In addition, existing
BMS battery management system enters low-power consumption mode by controlling chip device, to achieve the purpose that reduce system power dissipation, therefore,
In order to reduce system standby power consumption, chip device used in whole system is required to the chip device that selection has low-power consumption mode
Part, and then cause system cost higher.
In consideration of it, it is really necessary to provide the new BMS battery management communication system of one kind to overcome drawbacks described above.
[summary of the invention]
The object of the present invention is to provide a kind of low-power consumption and the relatively low BMS battery management communication systems of cost.
To achieve the goals above, the present invention provides a kind of BMS battery management communication system, it is connected with startup power supply
And for being managed to power battery；The BMS battery management communication system can be between suspend mode and operating mode
It switches over；The BMS battery management communication system includes power module, main control module, auxiliary circuit module, signal detection mould
Block and signal fusing module；One end of the power module is connected with the startup power supply, and the other end respectively with the master
It controls module and the auxiliary circuit module is connected, after the first voltage for exporting the startup power supply is converted into second voltage
It is exported respectively to the main control module and the auxiliary circuit module；The signal detection module is used to monitor the shape of power battery
State, and the signal stored in the signal monitored and signal fusing module is compared, signal fusing module is by the knot of comparison
Fruit is sent to main control module, and main control module issues first control signal or second control signal to control the work of power module.
As a kind of preferred embodiment of the invention, the first control signal is that the control power module stopping is described
Auxiliary circuit module for power supply, the second control signal are that the control power module is the auxiliary circuit module for power supply.
As a kind of preferred embodiment of the invention, the second voltage is less than the first voltage.
As a kind of preferred embodiment of the invention, the power module includes that the first power conversion unit and switch are single
Member；The BMS battery management communication system further includes switch drive module；First power conversion unit is connected to described open
Between dynamic power supply and the main control module, and it is connected by the switch unit with the auxiliary circuit module；The switch drives
Dynamic model block is connected between the switch unit and the main control module, for according to the first control signal or described the
Two control signals drive the switch units disconnect perhaps be closed and then disconnect or establish first converting unit with it is described
Electric connection between auxiliary circuit module.
As a kind of preferred embodiment of the invention, the power module include the first power conversion unit, switch unit with
And second source converting unit；The BMS battery management communication system further includes switch drive module；The first power supply conversion
Unit is connected between the startup power supply and the main control module；The second source converting unit passes through the switch unit
It is connected with the startup power supply, and is connected with the auxiliary circuit module for the auxiliary circuit module for power supply；The switch
Drive module is connected between the switch unit and the main control module, for according to the first control signal or described
Second control signal drives the switch unit to disconnect and is perhaps closed and then disconnects or establish the startup power supply and described the
Electric connection between two power conversion units.
Compared with prior art, the beneficial effects of the present invention are: BMS battery management communication system provided by the invention, by
In auxiliary circuit module and signal detection module and signal fusing module are carried out independent differentiation, it is when BMS battery management communicates
When system enters suspend mode, the main control module, which issues first control signal, to be stopped with controlling the power module as the auxiliary
Circuit module power supply, so that the power consumption of auxiliary circuit module in the dormant state is zero, thus greatly reduces system energy
Consumption.Further, since auxiliary circuit absolutely not works in the dormant state, therefore, the component in auxiliary circuit module is not necessarily to
The component with low-power consumption mode is selected, and then production cost can be reduced.
[Detailed description of the invention]
Fig. 1 is the functional block diagram of BMS battery management communication system provided in an embodiment of the present invention；
Fig. 2 is the functional block diagram in Fig. 1 under the one mode of BMS battery management communication system；
Fig. 3 is the functional block diagram in Fig. 1 under another mode of BMS battery management communication system.
[specific embodiment]
It is clear in order to be more clear the purpose of the present invention, technical solution and advantageous effects, below in conjunction with this hair
Attached drawing in bright embodiment, technical scheme in the embodiment of the invention is clearly and completely described.
Refering to Figure 1, it is the functional block diagram of BMS battery management communication system 100 provided by the invention.It is described
BMS battery management communication system 100 is connected with startup power supply 200, for being managed to power battery.Wherein, startup power supply
200 for exporting first voltage, powers to the BMS battery management communication system 100.The BMS battery management communication system
100 can switch between suspend mode and operating mode.It is appreciated that when power battery is in charging and discharging state,
The BMS battery management communication system 100 is in operating mode to monitor the state of power battery；It is filled when power battery is not in
When discharge condition, BMS battery management communication system 100 is in suspend mode to reduce system power dissipation.Wherein, suspend mode is also
Standby mode or low-power consumption mode, also that is, in addition to some necessary components to work, other components stop working.
Specifically, the BMS battery management communication system 100 includes power module 10, main control module 20, auxiliary circuit
30, signal detection module 40 and signal fusing module 60.
One end of the power module 10 is connected with the startup power supply 200, and the other end respectively with the main control module
20 and the auxiliary circuit module 30 be connected, the first voltage for exporting the startup power supply 200 is converted into second voltage
It is exported respectively afterwards to the main control module 20 and the auxiliary circuit module 30.In the present embodiment, the second voltage is small
In the first voltage.In the invention, the second voltage is set as 3.6-4.8V, first voltage is exactly electronic
The normal starting voltage of vehicle.
The main control module 20 is also connected with the signal fusing module 60, judges for receiving signal fusing module
The operating mode (normal mode of operation or suspend mode) of power battery, subsequent main control module issue first control signal or second
Signal is controlled to control the work of power module.
When the operating mode of power battery enters suspend mode, the main control module 20 issues first control signal to control
It makes the power module 10 and stops being that the auxiliary circuit module 30 is powered.It should be noted that the auxiliary circuit module 30
Work is not needed when the operating mode of power battery enters suspend mode including resistance, capacitor, diode and triode etc.
Component.
When the main control module 20 receives the normal mode of operation for the power battery that signal fusing module 60 is judged,
The generation second control signal of main control module 20 is powered with controlling the power module 10 as the auxiliary circuit module 30, this
When, entire BMS battery management communication system 100 also can be switched to operating mode from suspend mode, can normally be worked.
BMS battery management communication system 100 provided by the present invention, due to by auxiliary circuit module 30 and signal detection mould
Block 40 and signal fusing module 60 carry out independent differentiation, when BMS battery management communication system 100 enters suspend mode, institute
Stating main control module 20 and issuing first control signal to control the stopping of power module 10 is that the auxiliary circuit module 30 is powered,
So that the power consumption of auxiliary circuit module 30 in the dormant state is zero, system energy consumption is thus greatly reduced.Further, since
Auxiliary circuit 30 absolutely not works in the dormant state, and therefore, the component in auxiliary circuit module 30 has without selection
The component of low-power consumption mode, and then production cost can be reduced.
It is the specific of the BMS battery management communication system 100 provided in one embodiment of the invention referring again to Fig. 2
Functional block diagram.Wherein, the power module 10 includes the first power conversion unit 11 and switch unit 12.Wherein, described
One power conversion unit 11 after the first voltage that startup power supply 200 exports is converted to second voltage for exporting.The BMS electricity
It further includes switch drive module 50 that pond, which manages communication system 100,.First power conversion unit 11 is connected to the starting electricity
Between source 200 and the main control module 20, and it is connected by switch unit 12 with the auxiliary circuit module 30.The switch drives
Dynamic model block 50 is connected between the switch unit 12 and the main control module 20, for according to the first control signal or
The second control signal driving switch unit 12, which disconnects, is perhaps closed and then disconnects or establish the first conversion list
Electric connection between member 11 and the auxiliary circuit module 30.
Specifically, when the BMS battery management communication system 100 is in suspend mode, the switch drive module 50
The first control signal issued according to the main control module 20 drives the switch unit 12 to disconnect, and then disconnects first electricity
Electric connection between source converting unit 11 and the auxiliary circuit module 30, so that first power conversion module 11
Stop being that the auxiliary circuit module 30 is powered.When the main control module 20 receives the power that signal fusing module 60 is judged
When the normal mode of operation of battery, it is described that the main control module 20, which generates second control signal to control the power module 10,
Auxiliary circuit module 30 is powered, at this point, the second control letter that the switch drive module 50 is issued according to the main control module 20
Number driving switch unit 12 is closed, so establish first power conversion unit 11 and the auxiliary circuit module 30 it
Between electric connection, that is, first power conversion module 11 continues as the auxiliary circuit module 30 and powers, the BMS electricity
Pond management communication system 100 is switched to operating mode from suspend mode.
In the present embodiment, the switch unit 12 includes MOSFET (Metal-Oxide Semiconductor field effect transistor
Pipe), BJT (bipolar junction transistor), IGBT (insulated gate bipolar transistor), appointing in silicon-controlled, relay and contactor
It anticipates one kind.
It is the specific of the BMS battery management communication system 100 provided in another embodiment of the present invention referring again to Fig. 3
Functional block diagram.The power module 10 includes the first power conversion unit 11, switch unit 12 and second source converting unit
13.The BMS battery management communication system 100 further includes switch drive module 50.First power conversion unit 11 connects
Between the startup power supply 200 and the main control module 20.The second source converting unit 13 passes through the switch unit
12 are connected with the startup power supply 200, and are connected with the auxiliary circuit module 30 for the auxiliary circuit module 30 power supply.
The switch drive module 50 is connected between the switch unit 12 and the main control module 20, for according to first control
Signal processed or the second control signal drive described in the switch unit 12 disconnects and be perhaps closed and then disconnect or establish
Electric connection between startup power supply 200 and the second source converting unit 13.
Specifically, when the BMS battery management communication system 100 is in suspend mode, the switch drive module 50
The first control signal issued according to the main control module 20 drives the switch unit 12 to disconnect, and then disconnects the starting electricity
Electric connection between source 200 and the second source converting unit 13, so that the second source conversion module 13 stops
Only power for the auxiliary circuit module 30.
When the main control module 20 receives the normal mode of operation for the power battery that signal fusing module 60 is judged,
The main control module 20 generates second control signal to control the power module 10 as the auxiliary circuit module 30 power supply, tool
For body, the switch drive module 50 drives the switch unit 12 to be closed according to the second control signal, and then establishes
Electric connection between the startup power supply 200 and the second source converting unit 13, so that the second source turns
Mold changing block 13 continues as the auxiliary circuit module 30 and powers, at this point, the BMS battery management communication system 100 is from suspend mode mould
Formula is switched to operating mode.
In the present embodiment, the switch unit 12 includes MOSFET (Metal-Oxide Semiconductor field effect transistor
Pipe), BJT (bipolar junction transistor), IGBT (insulated gate bipolar transistor), appointing in silicon-controlled, relay and contactor
It anticipates one kind.It is appreciated that first power conversion unit 11 and the second source converting unit 13 are used to that electricity will be started
The first voltage that source 200 exports exports after being converted to second voltage.
Two kinds of operating modes (suspend mode and operating mode) of BMS battery management communication system of the present invention correspond respectively to
Two kinds of operating modes (suspend mode and charge and discharge mode) of power battery.
The present invention is not only in the description and the implementation described, therefore for the personnel of familiar field
Other advantage and modification is easily implemented, therefore in the essence without departing substantially from universal defined by claim and equivalency range
In the case where mind and range, the present invention is not limited to specific details, representative equipment and diagrams shown and described herein
Example.
Claims (5)
1. a kind of BMS battery management communication system is connected with startup power supply and is used to be managed power battery；It is described
BMS battery management communication system can switch between suspend mode and operating mode；It is characterized in that, the BMS electricity
It includes power module, main control module, auxiliary circuit module, signal detection module and signal fusing mould that pond, which manages communication system,
Block；One end of the power module is connected with the startup power supply, and the other end respectively with the main control module and the auxiliary
Circuit module is connected, and the first voltage for exporting the startup power supply is converted into being exported respectively after second voltage to the master
Control module and the auxiliary circuit module；The signal detection module is used to monitor the state of power battery, and will monitor
The signal stored in signal and signal fusing module compares, and the result of comparison is sent to master control mould by signal fusing module
Block, main control module issue first control signal or second control signal to control the work of power module.
2. BMS battery management communication system as described in claim 1, it is characterised in that: the first control signal is control
The power module stops being the auxiliary circuit module for power supply, and the second control signal is that the control power module is institute
State auxiliary circuit module for power supply.
3. BMS battery management communication system as claimed in claim 2, it is characterised in that: the second voltage is less than described the
One voltage and second voltage is set as 3.6-4.8V.
4. BMS battery management communication system as claimed in claim 3, it is characterised in that: the power module includes the first electricity
Source converting unit and switch unit；The BMS battery management communication system further includes switch drive module；First power supply
Converting unit is connected between the startup power supply and the main control module, and passes through the switch unit and the auxiliary circuit
Module is connected；The switch drive module is connected between the switch unit and the main control module, for according to described the
One control signal or the second control signal drive the switch unit to disconnect and are perhaps closed and then disconnect or establish institute
State the electric connection between the first converting unit and the auxiliary circuit module.
5. BMS battery management communication system as claimed in claim 3, it is characterised in that: the power module includes the first electricity
Source converting unit, switch unit and second source converting unit；The BMS battery management communication system further includes switch driving
Module；First power conversion unit is connected between the startup power supply and the main control module；The second source turns
It changes unit and is connected by the switch unit with the startup power supply, and be connected with the auxiliary circuit module for the auxiliary
Circuit module power supply；The switch drive module is connected between the switch unit and the main control module, for according to institute
It states first control signal or the second control signal drives the switch unit to disconnect perhaps closure and then disconnects or build
Stand the electric connection between the startup power supply and the second source converting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540878.7A CN110254290A (en) | 2019-06-21 | 2019-06-21 | BMS battery management communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540878.7A CN110254290A (en) | 2019-06-21 | 2019-06-21 | BMS battery management communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110254290A true CN110254290A (en) | 2019-09-20 |
Family
ID=67920171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910540878.7A Pending CN110254290A (en) | 2019-06-21 | 2019-06-21 | BMS battery management communication system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212247A (en) * | 2021-06-18 | 2021-08-06 | 中国第一汽车股份有限公司 | Management system and new energy automobile of power battery package |
| CN113991790A (en) * | 2021-11-03 | 2022-01-28 | 弘正储能(上海)能源科技有限公司 | Power supply one-key start-stop device and method of low-voltage energy storage system |
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| CN206336142U (en) * | 2016-10-28 | 2017-07-18 | 广东恒沃动力科技有限公司 | Battery management system |
| CN107487201A (en) * | 2016-12-15 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Charge awakening method, battery management system and vehicle |
| CN109606118A (en) * | 2019-01-11 | 2019-04-12 | 厦门金龙联合汽车工业有限公司 | A kind of electric automobile power battery safety monitoring system and its low-voltage distribution scheme |
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| CN104527445A (en) * | 2014-12-05 | 2015-04-22 | 深圳市汇川技术股份有限公司 | Power supply control system of electric automobile |
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| CN113212247A (en) * | 2021-06-18 | 2021-08-06 | 中国第一汽车股份有限公司 | Management system and new energy automobile of power battery package |
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Application publication date: 20190920 |
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