CN207215989U - A kind of battery management unit test device - Google Patents

A kind of battery management unit test device Download PDF

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Publication number
CN207215989U
CN207215989U CN201721155580.7U CN201721155580U CN207215989U CN 207215989 U CN207215989 U CN 207215989U CN 201721155580 U CN201721155580 U CN 201721155580U CN 207215989 U CN207215989 U CN 207215989U
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China
Prior art keywords
voltage
battery management
management unit
input
test device
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CN201721155580.7U
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Chinese (zh)
Inventor
李丹东
付扬洋
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Beijing Pride New Energy Battery Co Ltd
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Beijing Pride New Energy Battery Co Ltd
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Priority to CN201721155580.7U priority Critical patent/CN207215989U/en
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Abstract

It the utility model is related to a kind of battery management unit test device, including decompression voltage regulator, voltage collection circuit, simulation monomer voltage output circuit and display device;The output end of the decompression voltage regulator is connected with the first input end of the voltage collection circuit, the output end of the voltage collection circuit is connected with the input of the display device, and the output end of the simulation monomer voltage output circuit is connected with the second input of the voltage collection circuit and the input of external battery management unit respectively;The output end of the battery management unit is connected with the input of the display device.The utility model is gathered the output voltage of simulation monomer voltage output circuit by voltage collection circuit and BMU to be measured respectively, and shown by display device, it is easy to tester to be compared according to shown numerical value, so as to accurately be tested BMU, meets the needs of PACK assembly sites and live troubleshooting.

Description

A kind of battery management unit test device
Technical field
It the utility model is related to field of battery management, and in particular to a kind of battery management unit test device.
Background technology
As the fast development of new-energy automobile and the requirement to safety and stability improve, the battery management in electrokinetic cell System serves important function.Battery management system carries out effective monitoring and management in real time to battery pack, can extend battery pack Service life, and to the condition monitoring of the real-time voltages of each series-connected battery modules in battery management system, there is provided give control system The BMU (Battery Management Unit, battery management unit) for reliable and stable data of uniting is in battery management system Important component.BMU test is collection BMU feedbacks after cell is connected with BMU in existing battery management system Voltage signal, the measurement result accuracy of this test device is relatively low, it is impossible to meets that PACK assembly sites and troubleshooting show The demand of field.
Utility model content
The utility model is directed to above-mentioned technical problem existing for prior art, there is provided a kind of battery management unit test dress Put.
The technical scheme that the utility model solves above-mentioned technical problem is as follows:A kind of battery management unit test device, bag Include decompression voltage regulator, voltage collection circuit, simulation monomer voltage output circuit and display device;
The output end of the decompression voltage regulator is connected with the first input end of the voltage collection circuit, and the voltage is adopted The output end of collector is connected with the input of the display device, the output end difference of the simulation monomer voltage output circuit It is connected with the second input of the voltage collection circuit and the input of external battery management unit, the battery management list The output end of member is connected with the input of the display device.
The beneficial effects of the utility model are:Gather simulation monomer voltage production respectively by voltage collection circuit and BMU to be measured Go out the output voltage of circuit, and shown by display device, be easy to tester to be compared according to shown numerical value, so as to BMU is accurately tested, meets the needs of PACK assembly sites and live troubleshooting.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, the battery management unit test device also includes portable power source, the output end point of the portable power source It is not connected with the input of the decompression voltage regulator and the input of the simulation monomer voltage output circuit.
Beneficial effect using above-mentioned further scheme is, using the portable power source carried as power supply, in test not Must external power supply, therefore the not limitation in tested person place, provided conveniently to on-the-spot test.
Further, the battery management unit test device also includes power supply interface, the power supply interface respectively with it is described The input of decompression voltage regulator connects with the input of the simulation monomer voltage output circuit.
Beneficial effect using above-mentioned further scheme is that user can use polytype according to the condition of power supply in place External power supply is powered by power supply interface to test device so that test is not limited by the field, and test mode is more flexibly square Just.
Further, the simulation monomer voltage output circuit includes the first electric capacity, isolation voltage-stabilized power supply, the second electric capacity, the One resistance, voltage-stabiliser tube and second resistance, the both ends of first electric capacity are as the input for simulating monomer voltage output circuit End, the first input end of the isolation voltage-stabilized power supply is connected with one end of first electric capacity, described to isolate the of voltage-stabilized power supply Two input ends are connected with the other end of first electric capacity, the first output end and the described second electricity of the isolation voltage-stabilized power supply One end of appearance, one end of first resistor connect with the input of voltage-stabiliser tube, the second output end and the of the isolation voltage-stabilized power supply The other end of two electric capacity, the other end of first resistor connect with the earth terminal of voltage-stabiliser tube, one end of the second resistance with it is described The output end connection of voltage-stabiliser tube, the other end are connected with the earth terminal of the voltage-stabiliser tube.
Further, the isolation voltage-stabilized power supply is B1205S, and the voltage-stabiliser tube is MC78LC33NTRG, first electric capacity For polar capacitor.
Further, the battery management unit test device also includes communicator, the output of the voltage collection circuit Input of the output end of end and the battery management unit respectively with the communicator is connected, the output of the communicator End is connected with the input of the display device.
Further, the communicator includes CAN.
Further, the battery management unit test device also includes communication interface and detects interface from plate, described The output end for simulating monomer voltage output circuit is connected by the input that interface and battery management unit are detected from plate Connect, the communicator is connected by the communication interface with the output end of the battery administrative unit.
Brief description of the drawings
Fig. 1 is a kind of structured flowchart for battery management unit test device that the utility model embodiment provides;
Fig. 2 is a kind of structured flowchart for battery management unit test device that the utility model embodiment provides;
Fig. 3 is a kind of structured flowchart for battery management unit test device that the utility model embodiment provides;
Fig. 4 is the circuit diagram for the simulation monomer voltage output circuit that the utility model embodiment provides;
Fig. 5 is a kind of structured flowchart for battery management unit test device that the utility model embodiment provides;
Fig. 6 is a kind of structured flowchart for battery management unit test device that the utility model embodiment provides.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality It is new, it is not intended to limit the scope of the utility model.
Fig. 1 is a kind of structured flowchart for battery management unit test device that the utility model embodiment provides, such as Fig. 1 institutes Show, the device includes decompression voltage regulator, voltage collection circuit, simulation monomer voltage output circuit and display device;
The output end of the decompression voltage regulator is connected with the input of the voltage collection circuit, the voltage acquisition electricity The output end on road is connected with the input of the display device, it is described simulation monomer voltage output circuit output end respectively with institute The input for stating voltage collection circuit connects with the input of external battery management unit;
The output end of the battery management unit is connected with the input of the display device.
Specifically, decompression voltage regulator is powered for voltage collection circuit, simulation monomer voltage output circuit is used to produce one The voltage of cell is saved, and is exported to voltage collection circuit and battery management unit, voltage collection circuit and battery management list The member output voltage of collection simulation monomer voltage output circuit is simultaneously exported to display device, and tester can be by filling in display The voltage signal of observation comparative cell Acquisition Circuit and battery management unit collection is put, so as to believe the voltage of battery management unit Number acquisition function is tested.
A kind of battery management unit test device provided by the utility model, distinguished by voltage collection circuit and BMU to be measured The output voltage of collection simulation monomer voltage output circuit, and shown by display device, it is easy to tester according to shown Numerical value be compared, so as to accurately being tested BMU, meet the needs of PACK assembly sites and troubleshooting scene.
Alternatively, in this embodiment, as shown in Fig. 2 the battery management unit test device also includes portable power source, The output end of the portable power source respectively with the input of the decompression voltage regulator and the simulation monomer voltage output circuit Input connection.
Specifically, portable power source operating voltage can select to use between 9-24v, electricity can depart from civil power plug-in limit after being full of System.Portable power source is used to power for decompression voltage regulator and simulation monomer voltage output circuit, is made using the portable power source carried For power supply, in test need not external power supply, therefore the not limitation in tested person place provides conveniently to on-the-spot test.
Alternatively, in this embodiment, as shown in figure 3, the battery management unit test device also includes power supply interface, The power supply interface respectively with the input of the decompression voltage regulator and the input of the simulation monomer voltage output circuit Connection.
It should be understood that user can according to the condition of power supply in place using polytype external power supply by power supply interface to survey Power supply is put in trial assembly so that test is not limited by the field, and test mode is more flexible and convenient.
Alternatively, in this embodiment, as shown in figure 4, the simulation monomer voltage output circuit includes electric capacity C1, isolation Voltage-stabilized power supply, electric capacity C2, resistance R1, voltage-stabiliser tube and resistance R2, the electric capacity C1 both ends are as the simulation monomer voltage production Go out the input of circuit, the first input end of the isolation voltage-stabilized power supply is connected with one end of the electric capacity C1, and the isolation is steady Second input end of voltage source is connected with the other end of the electric capacity C1, the first output end of the isolation voltage-stabilized power supply and institute State electric capacity C2 one end, resistance R1 one end connects with the input of voltage-stabiliser tube, the second output end of the isolation voltage-stabilized power supply The other end, the resistance R1 other end and the earth terminal of voltage-stabiliser tube with electric capacity C2 are connected, one end of the resistance R2 with it is described steady The output end connection of pressure pipe, the other end are connected with the earth terminal of the voltage-stabiliser tube.
Alternatively, in this embodiment, the isolation voltage-stabilized power supply is B1205S, and the voltage-stabiliser tube is MC78LC33NTRG, the electric capacity C1 are polar capacitor.
Alternatively, in this embodiment, as shown in figure 5, the battery management unit test device also includes communicator, The output end of the voltage collection circuit and the output end of the battery management unit input with the communicator respectively Connection, the output end of the communicator are connected with the input of the display device.
Alternatively, in this embodiment, the communicator includes CAN.
Alternatively, in this embodiment, as shown in fig. 6, the battery management unit test device also includes communication interface With from plate detect interface, it is described simulation monomer voltage output circuit output end by it is described from plate detect interface with The input connection of battery management unit, the communicator pass through the communication interface and the battery administrative unit Output end connects.
Specifically, simulation monomer voltage Acquisition Circuit is powered by detecting interface from plate to battery management unit, cell tube Reason unit collection voltages signal is simultaneously sent to the communicator of test device by communication interface.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in Within the scope of shield.

Claims (8)

1. a kind of battery management unit test device, it is characterised in that including decompression voltage regulator, voltage collection circuit, simulation Monomer voltage output circuit and display device;
The output end of the decompression voltage regulator is connected with the first input end of the voltage collection circuit, the voltage acquisition electricity The output end on road is connected with the input of the display device, it is described simulation monomer voltage output circuit output end respectively with institute The second input for stating voltage collection circuit connects with the input of external battery management unit, the battery management unit Output end is connected with the input of the display device.
2. battery management unit test device according to claim 1, it is characterised in that the battery management unit test Device also includes portable power source, the output end of the portable power source input with the decompression voltage regulator and the mould respectively The input connection of quasi-simple bulk voltage output circuit.
3. battery management unit test device according to claim 1, it is characterised in that the battery management unit test Device also includes power supply interface, and the power supply interface is electric with the input of the decompression voltage regulator and the simulation monomer respectively Press the input connection of output circuit.
4. the battery management unit test device according to Claims 2 or 3, it is characterised in that the simulation monomer voltage Output circuit includes the first electric capacity, isolates voltage-stabilized power supply, the second electric capacity, first resistor, voltage-stabiliser tube and second resistance, and described first The both ends of electric capacity as it is described simulation monomer voltage output circuit input, it is described isolation voltage-stabilized power supply first input end with One end connection of first electric capacity, the other end of the second input and first electric capacity of the isolation voltage-stabilized power supply connect Connect, the first output end and one end of second electric capacity, one end of first resistor and the voltage-stabiliser tube of the isolation voltage-stabilized power supply Input connects, the other end of the second output end and the second electric capacity of the isolation voltage-stabilized power supply, the other end of first resistor and The earth terminal connection of voltage-stabiliser tube, one end of the second resistance be connected with the output end of the voltage-stabiliser tube, the other end and it is described surely The earth terminal connection of pressure pipe.
5. battery management unit test device according to claim 4, it is characterised in that it is described isolation voltage-stabilized power supply be B1205S, the voltage-stabiliser tube are MC78LC33NTRG, and the first electric capacity C1 is polar capacitor.
6. battery management unit test device according to claim 1, it is characterised in that the battery management unit test Device also includes communicator, the output end of the output end of the voltage collection circuit and the battery management unit respectively with institute The input connection of communicator is stated, the output end of the communicator is connected with the input of the display device.
7. battery management unit test device according to claim 6, it is characterised in that the communicator includes CAN Communication module.
8. the battery management unit test device according to claim 6 or 7, it is characterised in that the battery management unit Test device also includes communication interface and detects interface from plate, and the output end for simulating monomer voltage output circuit passes through described The input that interface and battery management unit are detected from plate connects, and the communicator passes through the communication interface and the battery The output end connection of administrative unit.
CN201721155580.7U 2017-09-08 2017-09-08 A kind of battery management unit test device Active CN207215989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721155580.7U CN207215989U (en) 2017-09-08 2017-09-08 A kind of battery management unit test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721155580.7U CN207215989U (en) 2017-09-08 2017-09-08 A kind of battery management unit test device

Publications (1)

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CN207215989U true CN207215989U (en) 2018-04-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022110606A1 (en) * 2020-11-27 2022-06-02 苏州精控能源科技有限公司 Leakage current measurement device for battery management controller, and leakage current measurement method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022110606A1 (en) * 2020-11-27 2022-06-02 苏州精控能源科技有限公司 Leakage current measurement device for battery management controller, and leakage current measurement method

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