CN206209011U - A kind of battery management system test fixture - Google Patents
A kind of battery management system test fixture Download PDFInfo
- Publication number
- CN206209011U CN206209011U CN201621212872.5U CN201621212872U CN206209011U CN 206209011 U CN206209011 U CN 206209011U CN 201621212872 U CN201621212872 U CN 201621212872U CN 206209011 U CN206209011 U CN 206209011U
- Authority
- CN
- China
- Prior art keywords
- wake
- circuit
- management system
- battery management
- chip microcomputer
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of battery management system test fixture, solve the problems, such as existing without the special product tested battery management system.A kind of battery management system test fixture,Including the single-chip microcomputer being arranged on pcb board,AC wake-up circuits,Key on wake-up circuits,High voltage interlock circuit,Charging wake-up circuit,The single-chip microcomputer is connected with power supply,The AC wake-up circuits,Key on wake-up circuits,High voltage interlock circuit,One end of charging wake-up circuit all connects power supply,AC wake-up circuits,Key on wake-up circuits,High voltage interlock circuit,The other end of charging wake-up circuit is used to be connected with battery management system,Single-chip microcomputer is also associated with being arranged on the temperature sensor on pcb board,Current sensor,Single-chip microcomputer is also associated with CAN interface,Single-chip microcomputer pin is grounded,One end ground connection is additionally provided with pcb board,What the other end was all connected with battery management system fills signal circuit and trickle charge signal circuit soon,The single-chip microcomputer is also associated with being arranged on the relay drive circuit on pcb board.
Description
Technical field
The utility model is related to technical field of battery management, and in particular to a kind of battery management system test fixture.
Background technology
Cell management system of electric automobile（BMS）, it is the important tie for connecting vehicle mounted dynamic battery and electric automobile, its master
Wanting function includes：Battery physical parameter real-time monitoring；Battery status is estimated；Inline diagnosis and early warning；Charge and discharge and preliminary filling control
System；Balanced management and heat management etc..
In view of electric motor car charge security, it is necessary to be detected to battery management system, it is ensured that battery management system
Hardware can normal work.
Now on the market without the special device tested battery management system, to test various functions, to electricity
The hardware of pond management system is separately tested, cumbersome, is not easy to debugging.
Utility model content
The purpose of this utility model is to provide a kind of battery management system test fixture, by the high and low of BMS relays
Side drives, temperature, fast and slow charge signal（CC、CC2）, high-voltage interlocking, key-on wake up, test function be integrated together, have
Advantage that is convenient and being easy to debugging.
The utility model is achieved through the following technical solutions：
A kind of battery management system test fixture, including it is arranged on single-chip microcomputer, AC wake-up circuits, Key-on on pcb board
Wake-up circuit, high voltage interlock circuit, charging wake-up circuit, the single-chip microcomputer are connected with power supply, the AC wake-up circuits, Key-on
Wake-up circuit, high voltage interlock circuit, one end of charging wake-up circuit all connect power supply, and the AC wake-up circuits, Key-on wake up
Circuit, high voltage interlock circuit, the other end of charging wake-up circuit are used to be connected with battery management system, and the single-chip microcomputer is also connected with
There are temperature sensor, the current sensor being arranged on pcb board, the single-chip microcomputer is also associated with CAN interface, the monolithic
Power traction pin be grounded, be additionally provided with the pcb board one end ground connection, the other end be all connected with battery management system fill signal circuit soon
With trickle charge signal circuit, the single-chip microcomputer is also associated with being arranged on the relay drive circuit on pcb board.
Specifically, the CAN interface includes that the first CAN interface, the second CAN interface and the 3rd CAN are total
Line interface.
Specifically, the relay drive circuit include the low side drive circuit of relay that is connected with single-chip microcomputer respectively and after
Electrical equipment flash drive circuit.
The utility model compared with prior art, with advantages below and beneficial effect：
（1）Structure of the present utility model causes that battery management system is given in the work of test job imitating charger and battery bag
System provides signal, battery management system by above-mentioned signal output to host computer, so as to the function to battery management system is surveyed
Examination.
（2）Structure of the present utility model cause it is easy to operate, be easy to debugging.
（3）The utility model effect is protruded, and worth large-scale promotion is used.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the circuit theory diagrams of AC wake-up circuits.
Fig. 3 is the circuit theory diagrams of charging wake-up circuit.
Fig. 4 is the circuit theory diagrams of key-on wake-up circuits.
Fig. 5 is the circuit theory diagrams of high voltage interlock circuit.
Fig. 6 is the circuit theory diagrams for filling signal circuit soon.
Fig. 7 is the circuit theory diagrams of trickle charge signal circuit.
Fig. 8 is the circuit theory diagrams of the low side drive circuit of relay.
Fig. 9 is the circuit theory diagrams of relay flash drive circuit.
Specific embodiment
The utility model is described in further detail with reference to embodiment, but implementation method of the present utility model is not
It is limited to this.
Embodiment
As shown in figure 1, a kind of battery management system test fixture, for the signal that simulated battery bag and charger send,
It is sent to battery management system（BMS）, the various functions data of test battery management system (BMS), battery management system (BMS)
The data is activation that will be collected and treat shows to host computer on host computer screen, thus judges battery management system
Whether system various functions are normal.
A kind of battery management system test fixture, including the single-chip microcomputer being arranged on pcb board and the electricity being connected with single-chip microcomputer
Flow sensor and temperature sensor.The current sensor and temperature sensor are also disposed on pcb board.
The current sensor can give the current acquisition module transfer signal of battery management system, by battery management system
Host computer is issued after the signal transacting that system will be collected, the electricity of battery management system is judged by observing the numerical value on host computer
Whether stream acquisition function is normal.Shown temperature sensor can be to battery management system transmission signal, by battery management system
Host computer will be sent to after acquisition process, the temperature acquisition work(of battery management system is judged by observing the numerical value on host computer
Can whether normal.
The single-chip microcomputer is connected with power supply.
AC wake-up circuits, key-on wake-up circuits, the charging wake-up circuit being connected with power supply are additionally provided with the pcb board
And high voltage interlock circuit.The AC wake-up circuits, key-on wake-up circuits, charging wake-up circuit and high voltage interlock circuit one end with
Power supply is connected, and the other end is connected with battery management system.
The circuit theory diagrams of AC wake-up circuits send AC wake-up signals as shown in Fig. 2 the AC wake-up circuits are used to simulate,
So that the battery management system in dormancy and off-position is reworked.
The circuit theory diagrams of charging wake-up circuit are as shown in figure 3, the charging wake-up circuit sends for imitating charger
Charging wake-up signal so that when charger is normally connected with battery management system, the cell tube in dormancy or off-position
Reason system is reworked.
The circuit theory diagrams of Key-on wake-up circuits are as shown in Figure 4.When electric motor car is in parked state, key-on switches are beaten
Open（I.e. key is opened）, now vehicle power powered to battery management system, battery management system start working.
The circuit theory diagrams of high voltage interlock circuit are as shown in Figure 5.The principle of high-voltage interlocking is the MCU hairs of battery management system
Go out a PWM ripple, PWM ripples by the MCU of battery management system after battery pack have received this PWM ripple then illustrate battery pack each
Battery connection is normal, conversely, malunion is normal；The effect of high-voltage interlocking is exactly whether each battery for detecting battery pack connects
.High voltage interlock circuit simulated battery bag in the present embodiment so that the PWM ripples of battery management system pass through.
The pin ground connection of the single-chip microcomputer.
One end ground connection is additionally provided with the pcb board fills signal circuit and trickle charge signal circuit soon, and signal circuit is filled soon
It is connected with battery management system with the trickle charge signal circuit other end.The signal circuit and trickle charge signal circuit of filling soon is used to test
Whether the fast of battery management system, trickle charge detection function are normal.It is described to fill signal circuit and trickle charge signal circuit soon when in use
Should be connected with the fast of battery management system, trickle charge detection module respectively.Signal circuit is filled soon and trickle charge signal circuit respectively can
Sent to battery management system with imitating charger and fill signal and trickle charge signal soon, BMS is led to after detecting this signal by CAN
Believe and send data to host computer.
The circuit theory diagrams for filling signal circuit soon as shown in fig. 6, fill signal soon by drop-down 1K resistance simulations；It is described
The circuit theory diagrams of trickle charge signal circuit are as shown in fig. 7, pass through pull down resistor（Can be by potentiometer adjusting size）Simulation trickle charge
Signal.
The single-chip microcomputer is also associated with being arranged on relay drive circuit and CAN interface on pcb board.The relay
Device drive circuit includes the flash drive circuit and low side drive circuit that are connected with single-chip microcomputer respectively.The CAN interface bag
Include the first CAN interface, the second CAN interface, the 3rd CAN interface.The CAN interface is used for and cell tube
The CAN communication module connection of reason system, transmission information.
The circuit theory of the high and low side drive circuit as shown in Figure 8 and Figure 9, connects when BMS passes through wire harness with test fixture
After connecing, BMS sends high or low side control instruction, and normal open switch closure after K1 or K2 relay powers, LED is bright.By observation
The state of LED is controlled whether normally judging BMS high-low sides.
When using,（1）Host computer is opened, has seen whether that data are uploaded and data are normal.There are then BMS communications normal, instead
It is then faulty.（2）BMS sends low side drive control order, and whether D1 is bright for observation, and flash drives normally if bright, otherwise
It is then faulty.（3）BMS sends flash drive control order, and whether D2 is bright for observation, and flash drives normally, otherwise then if bright
It is faulty.（4）Whether the temperature that observation host computer shows is normal.（5）Close successively CC signals, CC2 signals, AC wake-up signals,
KEY_ON wakes up, charging wakes up, the corresponding each wake-up signal of clearance host computer observation.（6）1 ~ 5 is normal, it can be determined that BMS is hard
Part is normal, modules energy normal work.
The above, is only preferred embodiment of the present utility model, and any formal limit is not done to the utility model
System, every any simple modification, equivalent variations made to above example according to technical spirit of the present utility model each fall within
Within protection domain of the present utility model.
Claims (3)
1. a kind of battery management system test fixture, it is characterised in that：Including the single-chip microcomputer, the AC wake-up electricity that are arranged on pcb board
Road, Key-on wake-up circuits, high voltage interlock circuit, charging wake-up circuit, the single-chip microcomputer are connected with power supply, and the AC wakes up electricity
Road, Key-on wake-up circuits, high voltage interlock circuit, one end of charging wake-up circuit all connect power supply, the AC wake-up circuits,
Key-on wake-up circuits, high voltage interlock circuit, the other end of charging wake-up circuit are used to be connected with battery management system, the list
Piece machine is also associated with being arranged on temperature sensor, current sensor on pcb board, and the single-chip microcomputer is also associated with CAN and connects
Mouthful, the single-chip microcomputer pin ground connection is additionally provided with one end ground connection, the other end and is all connected with battery management system on the pcb board
Signal circuit and trickle charge signal circuit are filled soon, and the single-chip microcomputer is also associated with being arranged on the relay drive circuit on pcb board.
2. a kind of battery management system test fixture according to claim 1, it is characterised in that：The CAN interface
Including the first CAN interface, the second CAN interface and the 3rd CAN interface.
3. a kind of battery management system test fixture according to claim 1, it is characterised in that the relay driving electricity
Road includes the low side drive circuit of relay and relay flash drive circuit that are connected with single-chip microcomputer respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621212872.5U CN206209011U (en) | 2016-11-10 | 2016-11-10 | A kind of battery management system test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621212872.5U CN206209011U (en) | 2016-11-10 | 2016-11-10 | A kind of battery management system test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206209011U true CN206209011U (en) | 2017-05-31 |
Family
ID=58753597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621212872.5U Expired - Fee Related CN206209011U (en) | 2016-11-10 | 2016-11-10 | A kind of battery management system test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206209011U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919784A (en) * | 2018-07-25 | 2018-11-30 | 重庆长安汽车股份有限公司 | A kind of detection system and method for new-energy automobile remote monitoring system terminal |
| CN109975631A (en) * | 2018-11-14 | 2019-07-05 | 湖南海博瑞德电智控制技术有限公司 | A kind of test host computer of electrokinetic cell system BMS |
| CN110347078A (en) * | 2019-06-28 | 2019-10-18 | 上海空间电源研究所 | A kind of Mars probes independently wake up control system and method |
-
2016
- 2016-11-10 CN CN201621212872.5U patent/CN206209011U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919784A (en) * | 2018-07-25 | 2018-11-30 | 重庆长安汽车股份有限公司 | A kind of detection system and method for new-energy automobile remote monitoring system terminal |
| CN109975631A (en) * | 2018-11-14 | 2019-07-05 | 湖南海博瑞德电智控制技术有限公司 | A kind of test host computer of electrokinetic cell system BMS |
| CN110347078A (en) * | 2019-06-28 | 2019-10-18 | 上海空间电源研究所 | A kind of Mars probes independently wake up control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20171110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |