CN203705871U - Lower computer of lithium ion power battery management system - Google Patents
Lower computer of lithium ion power battery management system Download PDFInfo
- Publication number
- CN203705871U CN203705871U CN201420056443.8U CN201420056443U CN203705871U CN 203705871 U CN203705871 U CN 203705871U CN 201420056443 U CN201420056443 U CN 201420056443U CN 203705871 U CN203705871 U CN 203705871U
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- China
- Prior art keywords
- module
- microprocessor
- voltage acquisition
- battery
- slave computer
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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
- 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
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- Power Sources (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a lower computer of a lithium ion power battery management system. The lower computer mainly comprises a microprocessor module, a voltage acquisition module, an equalization module, a temperature acquisition module, a heat management module, a TTCAN communication module, a power supply module and an ID configuration switch module. The microprocessor module is connected with the voltage acquisition module, the equalization module, the temperature acquisition module and the heat management module through an isolating circuit and completes control. The voltage acquisition module employs a mode of a lithium battery dedicated chip and an outer expansion ADC, and the integration level, the reliability and the cost performance are raised. The TTCAN is CAN communication triggered by time, and is used for the lower computer to report parameter information of the battery managed by the lower computer. The TTCAN mode lowers the bus occupancy rate and raises the communication reliability.
Description
Technical field
The utility model relates to battery management system field, particularly a kind of slave computer of lithium-ion-power cell management system.
Background technology
Due to the limitation of performance of lithium ion battery; utilize the energy source of lithium electricity as electric automobile, must install corresponding battery management system protection battery safe, the consistance that keeps battery, inform battery can normally work, with the mutual battery information of people, provide a suitable working environment with working environment severe on reply automobile to battery.
Utility model content
Described Li-ion Battery Management System comprises the slave computer that is directed to battery and the host computer of managing all slave computers, and the utility model relates to the slave computer of described Li-ion Battery Management System.
A kind of slave computer of lithium-ion-power cell management system is specifically provided, wherein, described slave computer mainly comprises microprocessor module, voltage acquisition module, balance module, temperature collect module, heat management module, TTCAN communication module, power module, ID deploy switch module; Microprocessor module is connected with voltage acquisition module, balance module, temperature collect module, heat management module respectively after by buffer circuit and completes control;
Described voltage acquisition module inside comprises lithium electricity special chip unit and ADC unit, wherein, lithium electricity special chip unit receives the control signal that microprocessor module sends, and then gating battery, the cell voltage of gating is passed to the ADC unit of voltage acquisition module inside, ADC element output signal returns to microprocessor module after by buffer circuit;
Described balance module inside comprises code translator and multichannel equalizing circuit unit, and microprocessor module transmits control signal by buffer circuit backward acting decoder, code translator and then drive corresponding equalizing circuit unit; Wherein, code translator takies microprocessor module 4 tunnel resources, and code translator receives after the control signal of microprocessor module transmission, and output n road order is to the corresponding equalizing circuit of n road battery, to save the I/O resource of microprocessor module; Guaranteed once to have and only have the equalizing circuit of a batteries to be strobed simultaneously;
Described slave computer is also by the upper machine communication of microprocessor module and lithium-ion-power cell management system.
Preferred described temperature collect module receives 2 road temperature signals, passes to the inner ADC of micro controller module.
2 tunnel output analog outputs in preferred heat management module are to fan for drive fan, and 2 road input switch amounts in described heat management module are for detection of stalled fan.
Preferred described TTCAN communication module is the CAN communication triggering the time, the battery cell parameter information that described slave computer reports it to manage by TTCAN mode to host computer.
Preferred described ID deploy switch module is 5 way switch amount signals, and it can configure 32 ID.
Lithium-ion-power cell management system slave computer described in the utility model has the following advantages: 12/24V-5V power module is power supply general-purpose system; Voltage acquisition module uses lithium electricity special chip to add the mode that extends out ADC, has optimized like this integrated level, has increased reliability, has improved cost performance, returns relevant voltage signal to microprocessor by isolation, and buffer circuit has improved the reliability of circuit; Configure the physical address of slave computer by toggle switch, strengthened the interchangeability of slave computer, reduced the workload of software; Slave computer reports its battery cell parameter information of managing by TTCAN mode to host computer, has reduced like this occupancy of bus, has improved the reliability of communication; By with fan-status measuring ability, ensure the security of heat management; Described balance module, microprocessor gives an order to code translator by isolation, after code translator interpretive order, drive the corresponding equalizing circuit of instruction unit, buffer circuit has improved the reliability of circuit, and code translator wherein takies microprocessor 4 tunnel resources, and code translator is explained after microprocessor instructs, output n road order is to the corresponding equalizing circuit of n road battery, the I/O resource of having saved microprocessor; Because code translator is logical device, such design has improved the reliability of circuit, has guaranteed once to have and only have the equalizing circuit of a batteries to be strobed.
Accompanying drawing explanation
Fig. 1 is the slave computer structural representation of lithium-ion-power cell management system.
Fig. 2 is voltage acquisition module structural representation.
Fig. 3 is balance module structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model provides described slave computer mainly to comprise microprocessor, voltage acquisition module, balance module, temperature collect module, heat management module, TTCAN communication module, power module, ID deploy switch module; Microprocessor is connected with voltage acquisition module, balance module, temperature collect module, heat management module respectively after by buffer circuit and completes control; Microprocessor module is also for download, the debugging of control program; Described slave computer is also by the upper slave computer communication in microprocessor module and lithium-ion-power cell management system.
As shown in Figure 2, described voltage acquisition module, adopts lithium electricity special chip, receive the control signal that microprocessor sends, and then gating battery, the cell voltage of gating is passed to the ADC of voltage acquisition module inside, ADC output signal returns to microprocessor after by buffer circuit.
As shown in Figure 3, described balance module inside comprises code translator, the control signal that micro treatment module sends by buffer circuit backward acting decoder, code translator and then drive corresponding equalizing circuit unit; Wherein, code translator takies microprocessor 4 tunnel resources, and code translator is explained after microprocessor instructs, exports the order of n road to the corresponding equalizing circuit of n road battery, the I/O resource of having saved microprocessor; Guaranteed once to have and only have the equalizing circuit of a batteries to be strobed simultaneously.
Concrete described dynamic lithium battery management system slave computer comprises microprocessor, voltage acquisition module, balance module, temperature collect module, heat management module, TTCAN communication module, 12/24V-5V power module, ID deploy switch.
Concrete described microprocessor module, it is the core of dynamic lithium battery management system slave computer, for download, debugging, control peripheral components and the communication with host computer of control program, there is the functions such as voltage acquisition, temperature acquisition, equilibrium, heat management, TTCAN.
Concrete described voltage acquisition module, adopts lithium electricity special chip, receives the instruction that microprocessor sends, and directly gating battery, gives cell voltage the ADC extending out, and returns relevant voltage signal to microprocessor by isolation.
Concrete described balance module, microprocessor gives an order to code translator by isolation, after code translator interpretive order, drives the corresponding equalizing circuit of instruction unit.Code translator takies microprocessor 4 tunnel resources, and code translator is explained after microprocessor instructs, exports the order of n road to the corresponding equalizing circuit of n road battery, the I/O resource of having saved microprocessor; Because code translator is logical device, such design has improved the reliability of circuit, has guaranteed once to have and only have the equalizing circuit of a batteries to be strobed.
Concrete described temperature collect module, receives 2 road temperature signals.Signal is resistance, passes to the ADC of microcontroller.
Concrete described heat management module, 2 road analog outputs are for fans drive, and 2 way switch amounts are inputted for detection of stalled fan, have isolation in the middle of heat management module and microprocessor.
Concrete described TTCAN communication module, the CAN communication that it triggered for the time, the battery cell parameter information that slave computer reports it to manage by TTCAN mode to host computer.
Concrete described ID deploy switch, is 5 way switch amount signals, i.e. configurable 32 ID.
Concrete described 12/24V-5V power module is multiple power source system.
When application, the ID deploy switch of lithium-ion-power cell management system slave computer described in the utility model can be dialled and put particular value; Connect 12/24V power supply, power on to circuit board; Microprocessor sends instruction to lithium electricity special chip, selected battery, and battery feedback voltage signal, to lithium electricity special chip, extends out ADC and converts thereof into digital quantity, passes to microprocessor by isolation; In charging process, microprocessor starts balance module, and microprocessor sends instruction to code translator by isolation, after code translator parsing instruction, start ceiling voltage the equalizing circuit of corresponding battery; Temperature collect module gathers battery the temperature inside the box and passes to microprocessor according to software requirement, in the time of excess Temperature, starts heat management system, opens fan and adjusts rotating speed according to temperature, and battery temperature is reduced to optimum working temperature scope; Signal sends to TTCAN to be uploaded to host computer by isolation.
The ID deploy switch of lithium-ion-power cell management system slave computer described in the utility model can also be dialled and put particular value; Connect 12/24V power supply, power on to circuit board; Microprocessor gathers cell voltage by voltage acquisition module; Charging process is passed through to ceiling voltage battery discharge balancing battery; Temperature collect module gathers battery the temperature inside the box, if temperature exceedes limit value, starts fan adjustment rotating speed and is cooled to optimum working temperature scope to battery; Signal is uploaded to host computer by TTCAN.
Claims (3)
1. the slave computer of a lithium-ion-power cell management system, wherein, described slave computer mainly comprises microprocessor module, voltage acquisition module, balance module, temperature collect module, heat management module, TTCAN communication module, power module, ID deploy switch module; Microprocessor module is connected with voltage acquisition module, balance module, temperature collect module, heat management module respectively after by buffer circuit and completes control; It is characterized in that:
Described voltage acquisition module inside comprises lithium electricity special chip unit and ADC unit, wherein, lithium electricity special chip unit receives the control signal that microprocessor module sends, and then gating battery, the cell voltage of gating is passed to the ADC unit of voltage acquisition module inside, ADC element output signal returns to microprocessor module after by buffer circuit;
Described balance module inside comprises code translator and multichannel equalizing circuit unit, and microprocessor module transmits control signal by buffer circuit backward acting decoder, code translator and then drive corresponding equalizing circuit unit; Wherein, code translator takies microprocessor module 4 tunnel resources, and code translator receives after the control signal of microprocessor module transmission, and output n road order is to the corresponding equalizing circuit of n road battery, to save the I/O resource of microprocessor module; Guaranteed once to have and only have the equalizing circuit of a batteries to be strobed simultaneously;
Described slave computer is also by the upper machine communication of microprocessor module and lithium-ion-power cell management system.
2. slave computer according to claim 1, is characterized in that: described temperature collect module receives 2 road temperature signals, passes to the inner ADC of micro controller module.
3. slave computer according to claim 1, is characterized in that: 2 tunnel output analog outputs in described heat management module are to fan for drive fan, and 2 road input switch amounts in described heat management module are for detection of stalled fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056443.8U CN203705871U (en) | 2014-01-29 | 2014-01-29 | Lower computer of lithium ion power battery management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056443.8U CN203705871U (en) | 2014-01-29 | 2014-01-29 | Lower computer of lithium ion power battery management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705871U true CN203705871U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420056443.8U Expired - Fee Related CN203705871U (en) | 2014-01-29 | 2014-01-29 | Lower computer of lithium ion power battery management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705871U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104808534A (en) * | 2014-01-29 | 2015-07-29 | 陕西汽车集团有限责任公司 | Lower computer of lithium ion power battery management system |
| CN104890532A (en) * | 2015-06-29 | 2015-09-09 | 珠海市广通客车有限公司 | Electrical control system for pure electric bus |
-
2014
- 2014-01-29 CN CN201420056443.8U patent/CN203705871U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104808534A (en) * | 2014-01-29 | 2015-07-29 | 陕西汽车集团有限责任公司 | Lower computer of lithium ion power battery management system |
| CN104890532A (en) * | 2015-06-29 | 2015-09-09 | 珠海市广通客车有限公司 | Electrical control system for pure electric bus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20180129 |