CN203745614U - Power battery pack information collection and display apparatus - Google Patents
Power battery pack information collection and display apparatus Download PDFInfo
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- CN203745614U CN203745614U CN201320838085.1U CN201320838085U CN203745614U CN 203745614 U CN203745614 U CN 203745614U CN 201320838085 U CN201320838085 U CN 201320838085U CN 203745614 U CN203745614 U CN 203745614U
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Abstract
Provided is a power battery pack information collection and display apparatus, comprising at least one lower computer controller which is respectively in telecommunication connection with a power battery pack, and a battery main controller, a first bus, a second bus, a battery information display instrument, a performer unit, a current sensing unit and a voltage sensor unit. The lower computer controller, the battery main controller, the battery information display instrument and the performer unit are respectively in telecommunication connection with the first bus and the second bus; the current sensing unit and the voltage sensor unit are respectively in telecommunication connection with the second bus; the lower computer controller and the battery main controller perform communication through the first bus and the second bus; the first bus and the second bus are mutually independent; each lower computer controller is respectively in parallel connection with the first bus and the second bus. The power battery pack information collection and display apparatus possesses the advantages of high sampling precision, fast sampling speed and strong anti-interference capability.
Description
Technical field
The utility model relates to a kind of information equipment, relates in particular to a kind of power battery pack information acquisition and display device.
Background technology
The electric battery that electric motor car adopts Ni-MH battery, lithium ion battery to form is in series or in parallel to form by several to up to a hundred battery cells.The damage of any battery cell all can affect the work of whole electric battery, in the serviceable life of reducing whole electric battery, even causes the major accidents such as blast on fire.Therefore, the voltage to each battery cell, temperature, electric current carry out signals collecting and demonstration is one of basic function of battery management system.The voltage acquisition mode of the battery management system of prior art, one be as the patent No. be the disclosed relay array acquisition mode of CN203054075U, CN200810038790.7, be switched to different batteries in different time sections, then this cell voltage is input to micro controller unit, then carries out data acquisition by AD acquisition module.The second is daisy chain type acquisition mode as disclosed in patent CN203218398U, adopt multi-channel data acquisition chip and be cascaded into daisy chain and carry out battery data collection, battery data Acquisition Circuit slave computer is by the mode cascade of daisy chain bus, transfer data information successively.The third be as application number be the disclosed single channel CAN bus of CN103072489A acquisition mode, slave computer carries out data acquisition and by CAN bus, the information such as the monomer voltage temperature of battery is sent to host computer carrying out data processing.The problem that above-mentioned prior art exists is:
1, relay array type sample mode is switched to different battery cells successively, need to complete sampling work with multiple relays, and sampling operation is that timesharing is carried out, and sample rate is slow, and sampling precision is not high.
2, daisy chain type sample mode is a kind of series connection method for transmitting signals, and one of them slave computer fault will cause all cisco unity malfunctions of slave computer communication.
3, there is variety of issue aspect speed, precision, antijamming capability and data display and processing in the bus distributed data acquisition system (DAS) of traditional single channel CAN, can't be satisfactory.
Utility model content
The purpose of this utility model, the problems referred to above that exist in order to overcome prior art exactly, provide a kind of power battery pack information acquisition and display device.
In order to achieve the above object, the utility model has adopted following technical scheme: a kind of power battery pack information acquisition and display device, comprise at least one slave computer controller, and each slave computer controller telecom-connects with one group of power battery pack respectively; Also comprise battery master controller, the first bus, the second bus, battery information Displaying Meter, actuator unit, current sensing unit and voltage sensor unit; Slave computer controller, battery master controller, battery information Displaying Meter and actuator unit telecom-connect with the first bus, the second bus respectively; Current sensing unit and voltage sensor unit telecom-connect with the second bus respectively; Between slave computer controller and battery master controller, carry out communication by the first bus, the second bus, and the first bus and the second bus separate, each slave computer controller respectively with the first bus, the second bus parallel connection.
Described the first bus is spi bus or iic bus, and the second bus is CAN bus.
Described spi bus comprises clock cable CLK, main sending out from receiving signal wire SIMO and main receipts from signalling line SOMI.
Described slave computer controller comprises integrated voltage processing unit, address setting unit, the first bus controller, the second bus controller, the first bus signals Transmit-Receive Unit and the second bus signals Transmit-Receive Unit; The input end of integrated voltage processing unit is in parallel with the each battery cell in corresponding power battery pack, and output terminal connects the first bus controller; Address setting unit and the second bus controller telecom-connect with the first bus controller respectively; The input of the first bus signals Transmit-Receive Unit and the first bus controller telecom-connect, and output telecom-connects with the first bus; The input of the second bus signals Transmit-Receive Unit and the second bus controller telecom-connect, and output telecom-connects with the second bus.
The binary code digital signal being made up of low and high level signal is exported in described address setting unit to the first bus controller.
Described current sensing unit comprises current sensor, the second bus controller and the second bus signals Transmit-Receive Unit that order telecom-connects, wherein the second bus signals Transmit-Receive Unit and the second bus telecom-connect, voltage sensor unit comprises voltage sensor, the second bus controller and the second bus signals Transmit-Receive Unit that order telecom-connects, and wherein the second bus signals Transmit-Receive Unit and the second bus telecom-connect.
Described battery information Displaying Meter comprises chromatic liquid crystal screen, and this chromatic liquid crystal screen is for showing voltage, battery temperature, total current, total voltage, battery charge state and the battery failure code of battery cell.
The demonstration of described battery cell voltage is divided into multi-screen, and every screen display is shown the monomer voltage of 6 to 32 strings.
The utility model can improve battery voltage signal harvester interference free performance, improve sample rate and precision, can carry out independent addressing and operation separately to some slave computers, thereby the dirigibility that improves system.Battery information Displaying Meter can show the information such as voltage, temperature of all cells in addition, and adopts a kind of column figure to show the voltage of each battery, and histogram, with the height of cell voltage, is divided into different colors, user-friendly.Have advantages of that sampling precision is high, sample rate is fast, antijamming capability is strong.
Brief description of the drawings
Fig. 1 is the structured flowchart of the information acquisition of the utility model power battery pack and display device.
Embodiment
Fig. 1 is the structured flowchart of the information acquisition of the utility model power battery pack and an embodiment of display device, and it comprises that two slave computer controllers, 1, two slave computer controller telecom-connects with one group of power battery pack 2 respectively; Also comprise battery master controller 3, the first bus 4, the second bus 5, battery information Displaying Meter 6, actuator unit 7, current sensing unit 8 and voltage sensor unit 9.Slave computer controller 1, battery master controller 3, battery information Displaying Meter 6 and actuator unit 7 wherein telecom-connects with the first bus 4, the second bus 5 respectively; Current sensing unit 8 and voltage sensor unit 9 telecom-connect with the second bus 5 respectively; Between slave computer controller 1 and battery master controller 3, carry out communication by the first bus 4, the second bus 5, and the first bus 4 and the second bus 5 separate, each slave computer controller respectively with the first bus, the second bus parallel connection.
The first bus in the present embodiment is spi bus or iic bus, and the second bus is CAN bus.Spi bus comprises clock cable CLK, main sending out from receiving signal wire SIMO and main receipts from signalling line SOMI.
Slave computer controller 1 in the present embodiment comprises integrated voltage processing unit 11, address setting unit 12, the first bus controller 13, the second bus controller 14, the first bus signals Transmit-Receive Unit 15 and the second bus signals Transmit-Receive Unit 16.The input end of integrated voltage processing unit is in parallel with the each battery cell in corresponding power battery pack, and output terminal connects the first bus controller; Address setting unit and the second bus controller telecom-connect with the first bus controller respectively; The input of the first bus signals Transmit-Receive Unit and the first bus controller telecom-connect, and output telecom-connects with the first bus; The input of the second bus signals Transmit-Receive Unit and the second bus controller telecom-connect, and output telecom-connects with the second bus.
Address above mentioned setup unit is exported the binary code digital signal being made up of low and high level signal to the first bus controller.
Current sensing unit 8 in the present embodiment comprises current sensor 81, the second bus controller 82 and the second bus signals Transmit-Receive Unit 83 that order telecom-connects, wherein the second bus signals Transmit-Receive Unit and the second bus telecom-connect, voltage sensor unit 9 comprises voltage sensor 91, the second bus controller 92 and the second bus signals Transmit-Receive Unit 93 that order telecom-connects, and wherein the second bus signals Transmit-Receive Unit and the second bus telecom-connect.
Battery information Displaying Meter 6 in the present embodiment comprises chromatic liquid crystal screen, and this chromatic liquid crystal screen is for showing voltage, battery temperature, total current, total voltage, battery charge state and the battery failure code of battery cell.
Battery master controller 3 in the utility model is the singlechip controller unit with dual bus interface, comprises spi bus interface and CAN bus interface, and master controller inside has single-chip microcomputer feed circuit, crystal oscillator, digital input-output interface etc.Can receive CAN communication information and SPI information and calculate and store.
The address information of slave computer controller is set in address setting unit 12 in the utility model, the first bus control unit of slave computer controller can read this information, and by this information package in the packet of cell voltage and temperature information, send to the first bus, now battery master controller 3 can read data packet, and decode, obtain cell address information, information of voltage and temperature information etc.
Battery master controller 3 in the utility model can send the command packet that contains address information, receive after this packets of information when the next machine controller 1, decode, if be consistent with the address information of itself, carry out exchanges data, otherwise will exit bus control right.
Claims (7)
1. power battery pack information acquisition and a display device, comprises at least one slave computer controller, and each slave computer controller telecom-connects with one group of power battery pack respectively; It is characterized in that, also comprise battery master controller, the first bus, the second bus, battery information Displaying Meter, actuator unit, current sensing unit and voltage sensor unit; Slave computer controller, battery master controller, battery information Displaying Meter and actuator unit telecom-connect with the first bus, the second bus respectively; Current sensing unit and voltage sensor unit telecom-connect with the second bus respectively; Between slave computer controller and battery master controller, carry out communication by the first bus, the second bus, and the first bus and the second bus separate, each slave computer controller respectively with the first bus, the second bus parallel connection.
2. power battery pack information acquisition as claimed in claim 1 and display device, is characterized in that: described the first bus is spi bus or iic bus, and the second bus is CAN bus.
3. power battery pack information acquisition as claimed in claim 2 and display device, is characterized in that: described spi bus comprises clock cable CLK, main sending out from receiving signal wire SIMO and main receipts from signalling line SOMI.
4. power battery pack information acquisition as claimed in claim 1 and display device, is characterized in that: described slave computer controller comprises integrated voltage processing unit, address setting unit, the first bus controller, the second bus controller, the first bus signals Transmit-Receive Unit and the second bus signals Transmit-Receive Unit; The input end of integrated voltage processing unit is in parallel with the each battery cell in corresponding power battery pack, and output terminal connects the first bus controller; Address setting unit and the second bus controller telecom-connect with the first bus controller respectively; The input of the first bus signals Transmit-Receive Unit and the first bus controller telecom-connect, and output telecom-connects with the first bus; The input of the second bus signals Transmit-Receive Unit and the second bus controller telecom-connect, and output telecom-connects with the second bus.
5. power battery pack information acquisition as claimed in claim 4 and display device, is characterized in that: the binary code digital signal being made up of low and high level signal is exported in described address setting unit to the first bus controller.
6. power battery pack information acquisition as claimed in claim 1 and display device, it is characterized in that: described current sensing unit comprises current sensor, the second bus controller and the second bus signals Transmit-Receive Unit that order telecom-connects, wherein the second bus signals Transmit-Receive Unit and the second bus telecom-connect, voltage sensor unit comprises voltage sensor, the second bus controller and the second bus signals Transmit-Receive Unit that order telecom-connects, and wherein the second bus signals Transmit-Receive Unit and the second bus telecom-connect.
7. power battery pack information acquisition as claimed in claim 1 and display device, is characterized in that: described battery information Displaying Meter comprises chromatic liquid crystal screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320838085.1U CN203745614U (en) | 2013-12-18 | 2013-12-18 | Power battery pack information collection and display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320838085.1U CN203745614U (en) | 2013-12-18 | 2013-12-18 | Power battery pack information collection and display apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745614U true CN203745614U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320838085.1U Expired - Fee Related CN203745614U (en) | 2013-12-18 | 2013-12-18 | Power battery pack information collection and display apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730461A (en) * | 2013-12-18 | 2015-06-24 | 上海吉能电源***有限公司 | Series battery pack information collection and display apparatus |
-
2013
- 2013-12-18 CN CN201320838085.1U patent/CN203745614U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730461A (en) * | 2013-12-18 | 2015-06-24 | 上海吉能电源***有限公司 | Series battery pack information collection and display apparatus |
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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: 20140730 Termination date: 20211218 |