CN209373425U - BMS main control unit automatic testing equipment - Google Patents
BMS main control unit automatic testing equipment Download PDFInfo
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- CN209373425U CN209373425U CN201822194574.3U CN201822194574U CN209373425U CN 209373425 U CN209373425 U CN 209373425U CN 201822194574 U CN201822194574 U CN 201822194574U CN 209373425 U CN209373425 U CN 209373425U
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Abstract
The utility model discloses a kind of BMS main control unit automatic testing equipments, it includes analogue unit and external interface, the analogue unit includes analog drive circuit, analog temperature circuit, power supply circuit, analog current circuit, the external interface includes the driving interface being electrically connected with the analog drive circuit, the temperature interface being electrically connected with the analog temperature circuit, the current interface being electrically connected with the analog current circuit and the power supply output interface being electrically connected with the power supply circuit, the analog drive circuit provides corresponding load resistance, the analog temperature circuit evolving temperature detection value is simultaneously delivered to the temperature interface, the power supply circuit generates driving voltage and is delivered to the power supply output interface, the analog current circuit evolving current detection value is simultaneously delivered to the current interface；The BMS main control unit automatic testing equipment of the utility model can be automatically performed the high efficiency test of BMS main control unit, and accuracy is high.
Description
Technical field
The utility model belongs to power battery technology field more particularly to a kind of automatic test of BMS main control unit.
Background technique
Battery management system, BMS (Battery Management System), is electric automobile power battery system
Important composition.On the one hand simultaneously primary Calculation battery real-time status parameter is collected in detection for it, and according to the ratio of detected value and permissible value
Compared with the on-off of relationship control current supply circuit；On the other hand, the critical data of acquisition is reported to entire car controller, and receives control
The instruction of device, with the other systems co-ordination on vehicle.
BMS system is divided into master-slave integrated BMS and distribution BMS according to topological structure difference at present.As its name suggests, principal and subordinate
Integral type BMS is that data processing and data acquisition function are integrated on one (one piece of plank), and distributed BMS includes master control list
Member, insulating unit (insulating unit is integrated on master control borad sometimes), from control unit.
Need to carry out product function test after the completion of the cooperation processing of BMS product, however hand is often taken in existing product test
Dynamic test, it is time-consuming and laborious, it is inefficient.
Therefore it is badly in need of a kind of BMS main control unit test device that can be solved the above problems.
Utility model content
The purpose of the utility model is to provide a kind of BMS main control unit test devices, can be automatically performed BMS main control unit
High efficiency test, accuracy is high.
Upper purposeful in order to realize, the utility model discloses a kind of BMS main control unit automatic testing equipments, including simulation
Unit and external interface, the analogue unit include analog drive circuit, analog temperature circuit, power supply circuit, analog current
Circuit, the external interface include the driving interface being electrically connected with the analog drive circuit and analog temperature circuit electricity
It the temperature interface of connection, the power supply output interface being electrically connected with the power supply circuit and is electrically connected with the analog current circuit
Current interface, the analog drive circuit provide corresponding load resistance, and the analog temperature circuit evolving temperature detection value is simultaneously
It is delivered to the temperature interface, the power supply circuit generates driving voltage and is delivered to the power supply output interface, the simulation
Current circuit generates current detection value and is delivered to the current interface.
Compared with prior art, the application environment in the utility model analog power vehicle, provides for BMS main control unit
Required test temperature, test electric current, load and driving voltage, improves testing efficiency, and precisely simulation power battery management
The external environment of system, test accuracy are high.
Preferably, the BMS main control unit automatic testing equipment further includes the control interface being electrically connected with external equipment, institute
Control interface is stated to receive the temperature controlling value of external equipment input respectively, current control value and be delivered to the analog temperature respectively
The temperature controlling value is converted to corresponding temperature detection value and defeated by circuit and analog current circuit, the analog temperature circuit
It send to the temperature interface, the current control value is converted to corresponding current detection value and conveyed by the analog current circuit
To the current interface.
Specifically, the control interface includes the second communicating circuit, and second communicating circuit is by CAN communication card and outside
Portion's equipment realizes communication connection with interaction data.
Specifically, the BMS main control unit automatic testing equipment further include the first communicating circuit and with BMS main control unit
The multichannel CAN interface that multichannel CAN circuit matches, the control interface receive the switching command of external equipment input and are delivered to
First communicating circuit, first communicating circuit are electrically connected with multichannel CAN interface and the switching command are passed through multichannel
CAN interface is delivered to the multichannel CAN circuit of BMS main control unit, and feeds back according to the multichannel CAN circuit of the BMS main control unit
Signal connect corresponding CAN circuit interface.Switching command is delivered to multichannel CAN circuit, multichannel CAN electricity by the first communicating circuit
Road switches back into the communication of corresponding CAN circuit completion and the first communicating circuit according to switching command, to pass through multichannel CAN interface
Point-to- point communication is carried out with multichannel CAN circuit respectively.
Specifically, first communicating circuit also obtains the product type of the BMS main control unit output, and the control connects
External equipment is delivered to mouthful by the product type, and receives the parameter information of external equipment input, the control interface is by institute
It states parameter information and is delivered to the analogue unit, the analogue unit updates inner parameter according to the parameter information.Certainly, join
Number information can directly be the inner parameter of analogue unit, such as parameter information is directly analog drive circuit, analog temperature electricity
Road, power supply circuit, analog current circuit input signal, it is electric that the size by adjusting input signal directly adjusts analog-driven
The output on road, analog temperature circuit, power supply circuit, analog current circuit.
Specifically, first communicating circuit also obtains the product type of the BMS main control unit output, and the control connects
The product type is delivered to external equipment by mouth, so that external equipment updates temperature controlling value and current control value.
Preferably, the analogue unit further includes analog switching circuit, the external interface further includes analog switching circuit
The transducing signal interface of electrical connection, the control interface receive the control command of external equipment input, the analog switching circuit
Corresponding low and high level is exported to the transducing signal interface according to the control command, which can be correspondingly connected with
The input detecting circuit interface of BMS main control unit senses letter caused by the field used with the BMS main control unit such as simulating vehicle
Number.
Specifically, the analog drive circuit includes several load branches and is electrically connected respectively with several load branches
Circuit switch, the control interface also receives the load control signal of external equipment input, and according to load control
Signal processed controls the on-off of the circuit switch, to adjust the load resistance of the analog drive circuit.
Detailed description of the invention
Fig. 1 is the circuit block diagram of the first embodiment of the utility model.
Fig. 2 is the circuit block diagram of the second embodiment of the utility model.
Fig. 3 is the circuit block diagram of the 3rd embodiment of the utility model.
Fig. 4 is the circuit block diagram of the fourth embodiment of the utility model.
Specific embodiment
For technology contents, the construction feature, the objects and the effects that the utility model is described in detail, below in conjunction with implementation
Mode simultaneously cooperates attached drawing to be explained in detail.
Be the first embodiment of the utility model with reference to Fig. 1, in this embodiment, disclose a kind of BMS main control unit from
Dynamic test device 100, the application environment in analog power vehicle, for BMS main control unit 300 provide required test temperature,
Electric current, load and driving voltage are tested, to carry out the performance test of BMS main control unit 300.
With reference to Fig. 1, the BMS main control unit automatic testing equipment 100 of the present embodiment is including analogue unit 10 and to external
Mouth 20.Wherein, analogue unit 10 includes analog drive circuit 11, analog temperature circuit 12, power supply circuit 13, analog current circuit
14, external interface 20 includes the driving interface 21 being electrically connected with analog drive circuit 11, is electrically connected with analog temperature circuit 12
Temperature interface 22, the power supply output interface 23 being electrically connected with power supply circuit 13 and the electric current being electrically connected with analog current circuit 14 connect
Mouth 24.Analog temperature circuit 12 generates temperature detection value and is delivered to temperature interface 22, and power supply circuit 13 generates driving voltage simultaneously
It is delivered to power supply output interface 23, analog current circuit 14 generates current detection value and is delivered to current interface 24.
When test, driving interface 21 is connected with the driving circuit output interface 31 of BMS main control unit 300 using cable,
Analog drive circuit 11 inputs corresponding load resistance to BMS main control unit 300 by driving interface 21, to simulate BMS master control
The driven object of unit 300；Using cable by 32 phase of temperature signal input interface of temperature interface 22 and BMS main control unit 300
Even, analog temperature circuit 12 inputs required temperature detection value to BMS main control unit 300 by temperature interface 22, dynamic to simulate
The environment temperature of power automobile；The power input interface 33 for output interface 23 and BMS main control unit 300 of powering is electrically connected using cable
It connects, to provide power supply to BMS main control unit；With cable by the power input interface 34 of current interface 24 and BMS main control unit 300
Electrical connection, to provide detection electric current to BMS main control unit 300.
Preferably, with reference to Fig. 1, analogue unit 10 further includes analog switching circuit 15 and is electrically connected with analog switching circuit 15
Transducing signal interface 25, analog switching circuit 15 generates low and high level to transducing signal interface according to external control signal
25.When work, transducing signal interface 25 is electrically connected with the detection signal input interface 35 of BMS main control unit 300 using cable,
Analog switching circuit 15 is to simulate the various transducing signals generated when power vehicle use and be conveyed by transducing signal interface 25
To BMS main control unit 300.Wherein, the input terminal on analog switching circuit 15 can connect corresponding control switch, and operation control is opened
Close the low and high level that i.e. controllable analog switching circuit 15 exports.
In order to simulate different loads, the analog drive circuit 11 of the present embodiment include several load branches and respectively with it is several
The circuit switch of branch electrical connection is loaded, electricity can be carried out by the way of series, parallel or mixed connection between several load branches
Connection.Control interface 30 also receives the load control signal of the input of host computer 200, and opens according to load control signal control circuit
The on-off of pass, by inputting different load control signals, is effectively realized with adjusting the load resistance of analog drive circuit 11
Different loads are directly simulated on same BMS main control unit automatic testing equipment 100, are changed without tearing machine-cut open during the test.
It is based on first embodiment for the ease of test environment different in simulation power vehicle with reference to Fig. 2, it is practical at this
In novel second embodiment, which further includes the control being electrically connected with host computer 200
Interface 30, control interface 30 receive the temperature controlling value of the input of host computer 200 respectively, current control value and are delivered to simulation respectively
Temperature controlling value is converted to corresponding temperature detection value simultaneously by temperature circuit 12 and analog current circuit 14, analog temperature circuit 12
It is delivered to temperature interface 22, current control value is converted to corresponding current detection value and is delivered to electric current by analog current circuit 14
Externally input temperature controlling value is converted to corresponding temperature detection value to simulate by interface 24, here, analog temperature circuit 12
BMS main control unit 300 is in the working condition of the temperature detection value, and similarly, analog current circuit 14 is by externally input electric current control
Value processed is converted to corresponding current detection value to simulate BMS main control unit 300 in the working condition of the temperature detection value, simulation temperature
Degree circuit 12 and analog current circuit 14 play the role of input value being converted to test value, so that BMS main control unit 300 exists
Test job state under Current Temperatures detected value and current detection value.According to testing requirement, flexibly inputted not by host computer 200
Temperature controlling value together, current control value are to carry out under different temperature detection values, current detection value BMS main control unit 300
It is tested for the property, test is flexibly, convenient.It should be noted that the host computer 200 of the present embodiment can be, but not limited to touch screen
Or the host computers such as exterior PC 200, when host computer 200 is touch screen, touch screen is external on control interface 30, by touching
Temperature controlling value and current control value are directly inputted on screen.
Wherein, parameter information can also be delivered to analogue unit 10, analogue unit by control interface 30 by host computer 200
10 update inner parameter according to parameter information, so that analogue unit 10 can be under the parameter information that host computer 200 inputs
It realizes real-time upgrading, guarantees that test process can be adjusted in real time according to the parameter information that host computer 200 inputs.
Analogue unit 10 receives the control command that host computer 200 inputs, and analog switching circuit 15 is exported according to control command
Corresponding low and high level is to transducing signal interface 25, to realize the inner parameter for controlling analogue unit 10 by low and high level.
Wherein, corresponding relay switch is equipped in analogue unit 10, host computer 200 controls simulation list according to parameter information
The on-off of relay switch controls the inner parameter of analogue unit 10 in member 10.Certainly, parameter information can be directly simulation
The inner parameter of unit 10, for example, parameter information be directly analog drive circuit 11, analog temperature circuit 12, power supply circuit 13,
The input signal of analog current circuit 14, the size by adjusting input signal directly adjust analog drive circuit 11, simulation temperature
The output of circuit 12, power supply circuit 13, analog current circuit 14 is spent, therefore the concrete form of parameter information is not limited herein
It is fixed.
With reference to Fig. 3, it is based on second embodiment, in the third embodiment, BMS main control unit automatic testing equipment 100 also wraps
The multichannel CAN interface 50 for including the first communicating circuit 40 and being matched with the multichannel CAN circuit 301 of BMS main control unit 300.Wherein,
Control interface 30 receives the switching command that host computer 200 inputs and is simultaneously delivered to the first communicating circuit 40, the first communicating circuit 40 with
The electrical connection of multichannel CAN interface 50 and the multichannel CAN that switching command is delivered to BMS main control unit 300 by multichannel CAN interface 50
Circuit 301, and the signal according to the multichannel CAN circuit 301 of BMS main control unit 300 feedback connects corresponding CAN circuit interface.
Switching command is delivered to multichannel CAN circuit 301 by the first communicating circuit 40, and BMS main control unit 300 controls more according to switching command
Road CAN circuit 301 responds CAN circuit one by one, leads to complete the first communicating circuit 40 with the point-to-point of multichannel CAN circuit 301
News.
Preferably, the first communicating circuit 40 also obtain the product type of the output of BMS main control unit 300, and CAN communication card 32 is logical
It crosses control interface 30 product type is delivered to host computer 200 and receives the parameter information that host computer 200 inputs, control interface 30
It is connected with analogue unit 10 and parameter information is delivered to analogue unit 10, analogue unit 10 updates internal ginseng according to parameter information
Number guarantees that test process can be adjusted according to the parameter information that host computer 200 inputs.Specifically, which is mould
The data of the signal input part input of quasi- driving circuit 11, analog temperature circuit 12, power supply circuit 13, or analog-driven
Circuit 11, analog temperature circuit 12, a certain a reference value in power supply circuit 13.
Certainly, after product type is delivered to host computer 200 by control interface 30 by CAN communication card 32, host computer 200 according to
Corresponding temperature controlling value and current control value are generated according to the product type, and the temperature controlling value and current control value are conveyed
To control interface 30, the temperature controlling value and current control value are delivered in analogue unit 10 by control interface 30, so that on
Position machine 200 updates temperature controlling value and current control value.
Preferably is based on second embodiment and 3rd embodiment with reference to Fig. 4, and in the fourth embodiment, control interface 30 wraps
The second communicating circuit 31 is included, the second communicating circuit 31 realizes communication connection to interact number by CAN communication card 32 with host computer 200
According to.
In conjunction with shown in Fig. 1-Fig. 4, the 100 analog power vehicle of BMS main control unit automatic testing equipment of the utility model
Interior application environment provides required test temperature, test electric current, load and driving voltage for BMS main control unit 300, mentions
High testing efficiency, and precisely the external environment of simulation power battery management system, test accuracy are high.
It above disclosure is merely preferred embodiments of the utility model, certainly cannot be practical new to limit this with this
The interest field of type, therefore equivalent variations made according to the patent scope of the utility model still belong to the utility model and are covered
Range.
Claims (8)
1. a kind of BMS main control unit automatic testing equipment, it is characterised in that: including analogue unit and external interface, the mould
Quasi-simple member includes analog drive circuit, analog temperature circuit, power supply circuit, analog current circuit, the external interface include with
The driving interface of the analog drive circuit electrical connection, the temperature interface being electrically connected with the analog temperature circuit and the confession
The power supply output interface of circuit electrical connection and the current interface being electrically connected with the analog current circuit, the analog-driven electricity
Road provides corresponding load resistance, and the analog temperature circuit evolving temperature detection value is simultaneously delivered to the temperature interface, described
Power supply circuit generates driving voltage and is delivered to the power supply output interface, and the analog current circuit evolving current detection value is simultaneously
It is delivered to the current interface.
2. BMS main control unit automatic testing equipment as described in claim 1, it is characterised in that: further include and external equipment electricity
The control interface of connection, the control interface receive temperature controlling value, current control value and the difference of external equipment input respectively
It is delivered to the analog temperature circuit and analog current circuit, the analog temperature circuit is converted to the temperature controlling value pair
The temperature detection value answered simultaneously is delivered to the temperature interface, and the current control value is converted to correspondence by the analog current circuit
Current detection value and be delivered to the current interface.
3. BMS main control unit automatic testing equipment as claimed in claim 2, it is characterised in that: further include the first communicating circuit
The multichannel CAN interface matched with the multichannel CAN circuit with BMS main control unit, the control interface receive external equipment input
Switching command and be delivered to first communicating circuit, first communicating circuit is electrically connected with multichannel CAN interface and by institute
The multichannel CAN circuit that switching command is delivered to BMS main control unit by multichannel CAN interface is stated, and according to the BMS main control unit
The signal of multichannel CAN circuit feedback connect corresponding CAN circuit interface.
4. BMS main control unit automatic testing equipment as claimed in claim 3, it is characterised in that: first communicating circuit is also
The product type of the BMS main control unit output is obtained, the product type is delivered to external equipment by the control interface, and
Receive the parameter information of external equipment input, the parameter information is delivered to the analogue unit by the control interface, described
Analogue unit updates inner parameter according to the parameter information.
5. BMS main control unit automatic testing equipment as claimed in claim 3, it is characterised in that: first communicating circuit is also
The product type of the BMS main control unit output is obtained, the product type is delivered to external equipment by the control interface, with
External equipment is set to update temperature controlling value and current control value.
6. BMS main control unit automatic testing equipment as claimed in claim 2, it is characterised in that: the control interface includes the
Two communicating circuits, second communicating circuit realize communication connection with interaction data by CAN communication card and external equipment.
7. BMS main control unit automatic testing equipment as claimed in claim 2, it is characterised in that: the analogue unit further includes
Analog switching circuit, the external interface further include the transducing signal interface being electrically connected with analog switching circuit, and the control connects
Mouth receives the control command of external equipment input, and the analog switching circuit exports corresponding height electricity according to the control command
It puts down to the transducing signal interface.
8. BMS main control unit automatic testing equipment as claimed in claim 2, it is characterised in that: the analog drive circuit packet
Include several load branches and respectively with it is several it is described load the circuit switches that are electrically connected of branches, described in the control interface also receives
The load control signal of external equipment input, and the on-off of the circuit switch is controlled according to the load control signal, to adjust
Save the load resistance of the analog drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822194574.3U CN209373425U (en) | 2018-12-25 | 2018-12-25 | BMS main control unit automatic testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822194574.3U CN209373425U (en) | 2018-12-25 | 2018-12-25 | BMS main control unit automatic testing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209373425U true CN209373425U (en) | 2019-09-10 |
Family
ID=67831248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822194574.3U Active CN209373425U (en) | 2018-12-25 | 2018-12-25 | BMS main control unit automatic testing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209373425U (en) |
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2018
- 2018-12-25 CN CN201822194574.3U patent/CN209373425U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220223 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli new energy battery technology Co.,Ltd. Address before: 523000 Dalang Town, Dongguan, Guangdong province Xiangshan Pine Hill Village Xiangshan Industrial Park Jiayuan Road No. 9 Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |