CN205691750U - A kind of batteries of electric automobile condition monitoring system - Google Patents
A kind of batteries of electric automobile condition monitoring system Download PDFInfo
- Publication number
- CN205691750U CN205691750U CN201620651289.8U CN201620651289U CN205691750U CN 205691750 U CN205691750 U CN 205691750U CN 201620651289 U CN201620651289 U CN 201620651289U CN 205691750 U CN205691750 U CN 205691750U
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- acquisition module
- cells
- module
- transceiver
- temperature
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Abstract
The utility model discloses a kind of batteries of electric automobile condition monitoring system, including voltage acquisition module, current acquisition module, temperature collect module, relay, CAN transceiver and battery management controller, described voltage acquisition module is in order to gather the voltage of set of cells, described relay and current acquisition module are all connected on the wire between set of cells and load, described temperature collect module is in order to measure the temperature at set of cells, the external CAN of described CAN transceiver, described voltage acquisition module, current acquisition module, temperature collect module, Control end and CAN transceiver are all electrical connected with battery management controller, described battery management controller is communicated with CAN by CAN transceiver.This utility model carrys out comprehensive monitoring battery status by measuring the temperature at the output voltage of set of cells, output electric current and set of cells, set of cells can be effectively prevented burn out and catch fire because temperature is too high, when going wrong, send warning message by CAN to user in time.
Description
Technical field
This utility model relates to batteries of electric automobile Condition Monitoring Technology field, is specially a kind of batteries of electric automobile state
Monitoring system.
Background technology
Electric automobile (Electric Vehicle), refers to vehicle power as power, drives wheels travel with motor, symbol
Close road traffic, the automobile of security legislation requirements.Typically use high efficiency rechargeable battery, or fuel cell is power source.
Therefore, accumulator is the main power source of electric motor car.For ensureing the normal of electric motor car and safety traffic, battery management system is necessary
Monitor the voltage and current data of battery of electric vehicle in real time.But the state of battery depends not only on voltage and current, at battery
Temperature relatively Gao Shihui causes battery natural, and this situation can cause more serious consequence.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, it is provided that a kind of batteries of electric automobile state prison
Examining system.
The technical solution of the utility model is achieved in that a kind of batteries of electric automobile condition monitoring system, including electricity
Pressure acquisition module, current acquisition module, temperature collect module, relay, CAN transceiver and battery management controller, described electricity
Pressure acquisition module is in order to gather the voltage of set of cells, and described relay and current acquisition module are all connected between set of cells and load
Wire on, described temperature collect module in order to measure the temperature at set of cells, the external CAN of described CAN transceiver, described
Voltage acquisition module, current acquisition module, temperature collect module, Control end and CAN transceiver all with battery management control
Device processed is electrical connected, and described battery management controller is communicated with CAN by CAN transceiver.
Preferably, described battery management controller uses dsp chip TMS320F2812, described voltage acquisition module, electric current
Acquisition module and temperature collect module all A/D translation interfaces with dsp chip TMS320F2812 are electrical connected.
Preferably, described voltage acquisition module, current acquisition module and temperature collect module are provided with A/D protection electricity
Road, all by A/D protection circuit and dsp chip on described voltage acquisition module, current acquisition module and temperature collect module
The A/D translation interface of TMS320F2812 is electrical connected.
Preferably, described A/D protection circuit is made up of resistance R1, electric capacity C1, diode D1 and Zener diode D2, described
R1 one end is electrical connected with the A/D translation interface of dsp chip TMS320F2812, described electric capacity C1 one end, diode D1 positive pole and
Zener diode D2 negative pole is all electrical connected with R1 one end, the described C1 other end, the equal ground connection of Zener diode D2 positive pole, and described two
Pole pipe D1 negative pole connects 3.3V power supply.
Compared with prior art, the beneficial effects of the utility model are: this utility model is by measuring the output of set of cells
Temperature at voltage, output electric current and set of cells carrys out comprehensive monitoring battery status, can be effectively prevented set of cells and burn out and because of temperature
Spend height and catch fire, when going wrong, send warning message by CAN to user in time.
Accompanying drawing explanation
The utility model is described in further detail for embodiment in below in conjunction with the accompanying drawings, but is not intended that this reality
With novel any restriction.
Fig. 1 is this utility model schematic diagram；
Fig. 2 is A/D protection circuit circuit diagram.
In figure: 1, voltage acquisition module, 2, current acquisition module, 3, temperature collect module, 4, relay, 5, CAN transmitting-receiving
Device, 6, battery management controller.
Detailed description of the invention
Referring to Fig. 1-2, this utility model provides a kind of technical scheme: a kind of batteries of electric automobile condition monitoring system,
Including voltage acquisition module 1, current acquisition module 2, temperature collect module 3, relay 4, CAN transceiver 5 and battery management control
Device 6 processed, described voltage acquisition module 1 is in order to gather the voltage of set of cells, and described relay 4 and current acquisition module 2 are all connected
On wire between set of cells and load, described temperature collect module 3 is in order to measure the temperature at set of cells, and described CAN receives and dispatches
The external CAN of device 5, described voltage acquisition module 1, current acquisition module 2, temperature collect module 3, relay 4 control end and
CAN transceiver 5 is all electrical connected with battery management controller 6, and described battery management controller 6 is by CAN transceiver 5 and CAN
Bus communicates.Described battery management controller 6 uses dsp chip TMS320F2812, described voltage acquisition module 1, electric current
Acquisition module 2 and temperature collect module 3 all A/D translation interfaces with dsp chip TMS320F2812 are electrical connected.Described voltage
A/D protection circuit, described voltage acquisition module it is provided with on acquisition module 1, current acquisition module 2 and temperature collect module 3
1, all turned by the A/D of A/D protection circuit with dsp chip TMS320F2812 on current acquisition module 2 and temperature collect module 3
Alias is electrical connected.Described A/D protection circuit is made up of resistance R1, electric capacity C1, diode D1 and Zener diode D2, described
R1 one end is electrical connected with the A/D translation interface of dsp chip TMS320F2812, described electric capacity C1 one end, diode D1 positive pole and
Zener diode D2 negative pole is all electrical connected with R1 one end, the described C1 other end, the equal ground connection of Zener diode D2 positive pole, and described two
Pole pipe D1 negative pole connects 3.3V power supply.
Embodiment provided above is better embodiment of the present utility model, is only used for convenient explanation this utility model, and
Non-this utility model is made any pro forma restriction, any art has usually intellectual, if without departing from
In the range of the carried technical characteristic of this utility model, utilize this utility model disclosed technology content to be made local and change or modify
Equivalent embodiments, and without departing from technical characteristic content of the present utility model, all still fall within this utility model technical characteristic
In the range of.
Claims (4)
1. a batteries of electric automobile condition monitoring system, it is characterised in that include voltage acquisition module, current acquisition module,
Temperature collect module, relay, CAN transceiver and battery management controller, described voltage acquisition module is in order to gather set of cells
Voltage, described relay and current acquisition module be all connected on set of cells and load between wire on, described temperature acquisition mould
Block in order to measure the temperature at set of cells, the external CAN of described CAN transceiver, described voltage acquisition module, current acquisition mould
Block, temperature collect module, Control end and CAN transceiver are all electrical connected with battery management controller, described cell tube
Reason controller is communicated with CAN by CAN transceiver.
A kind of batteries of electric automobile condition monitoring system the most according to claim 1, it is characterised in that described battery management
Controller use dsp chip TMS320F2812, described voltage acquisition module, current acquisition module and temperature collect module all with
The A/D translation interface of dsp chip TMS320F2812 is electrical connected.
A kind of batteries of electric automobile condition monitoring system the most according to claim 1 and 2, it is characterised in that described voltage
A/D protection circuit, described voltage acquisition module, electricity it is provided with on acquisition module, current acquisition module and temperature collect module
All by the A/D translation interface of A/D protection circuit Yu dsp chip TMS320F2812 on stream acquisition module and temperature collect module
It is electrical connected.
A kind of batteries of electric automobile condition monitoring system the most according to claim 3, it is characterised in that described A/D protects
Electricity routing resistance R1, electric capacity C1, diode D1 and Zener diode D2 composition, described R1 one end and dsp chip TMS320F2812
A/D translation interface be electrical connected, described electric capacity C1 one end, diode D1 positive pole and Zener diode D2 negative pole all with R1 one end
Being electrical connected, the described C1 other end, the equal ground connection of Zener diode D2 positive pole, described diode D1 negative pole connects 3.3V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620651289.8U CN205691750U (en) | 2016-06-20 | 2016-06-20 | A kind of batteries of electric automobile condition monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620651289.8U CN205691750U (en) | 2016-06-20 | 2016-06-20 | A kind of batteries of electric automobile condition monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205691750U true CN205691750U (en) | 2016-11-16 |
Family
ID=57425844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620651289.8U Expired - Fee Related CN205691750U (en) | 2016-06-20 | 2016-06-20 | A kind of batteries of electric automobile condition monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205691750U (en) |
-
2016
- 2016-06-20 CN CN201620651289.8U patent/CN205691750U/en not_active Expired - Fee Related
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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: 20161116 Termination date: 20170620 |