CN208141211U - A kind of battery failures injected system - Google Patents
A kind of battery failures injected system Download PDFInfo
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- CN208141211U CN208141211U CN201820469914.6U CN201820469914U CN208141211U CN 208141211 U CN208141211 U CN 208141211U CN 201820469914 U CN201820469914 U CN 201820469914U CN 208141211 U CN208141211 U CN 208141211U
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- 208000032953 Device battery issue Diseases 0.000 title claims abstract description 28
- 238000004088 simulation Methods 0.000 claims description 33
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- 238000005520 cutting process Methods 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a kind of battery failures injected system, which includes the first MCU, the first driving circuit, the first electronic switch unit, the 2nd MCU, the second driving circuit and the second electronic switch unit；First electronic switch unit receives the power supply line and ground wire for surveying BMS respectively；Second electronic switch unit connects battery and BMS to be measured respectively；First electronic switch unit and the connection of the second electronic switch unit；First MCU controls the on-off of the electronic switch of the second electronic switch unit by the on-off and the 2nd MCU of the electronic switch of the first driving circuit the first electronic switch unit of control by the second driving circuit, realizes that failure is automatically injected.Relative to traditional manual access way, battery failures injected system provided by the utility model can realize being automatically injected for multiple battery failure, improve testing efficiency and the safety of BMS.
Description
Technical field
The utility model relates to BMS (Battery Management System, battery management system) measuring technology necks
Domain, more specifically to a kind of battery failures injected system.
Background technique
Battery is the sole energy source of new energy vehicle.How one of core technology of new energy vehicle is to battery
Carry out safe and effective management.BMS can be realized the status monitoring to battery, information exchange and safeguard protection, it is ensured that new energy
In source vehicle driving process energy utilization it is safe, reasonable with it is efficient.
BMS needs strictly to test it as the key electronic device on new energy vehicle.Pass through direct fault location system
System is BMS manufacturing fault condition, and the function of the read failure code of test b MS is that one in the test process of BMS is very heavy
The link wanted.But current Fault Insertion Equipment realizes direct fault location, such testing efficiency by the way of manually accessing
It is low, and it is easy to operate by mistake cause to get an electric shock, damage BMS.
Utility model content
In view of this, the utility model proposes a kind of battery failures injected system, the testing efficiency and peace of BMS to be improved
The purpose of full property.
To achieve the goals above, it is proposed that scheme it is as follows：
A kind of battery failures injected system, including：Battery simulation direct fault location generation module and battery simulation direct fault location
Execution module；
The battery simulation direct fault location generation module includes the first MCU, the first driving circuit and the first electronic switch list
Member, first electronic switch unit include multiple electronic switches；
The battery simulation direct fault location execution module includes the 2nd MCU, the second driving circuit and the second electronic switch list
Member, second electronic switch unit include multiple electronic switches；
First electronic switch unit receives the power supply line and ground wire for surveying BMS respectively；
Second electronic switch unit connects battery and the BMS to be measured respectively；
First electronic switch unit is connected with second electronic switch unit；
First MCU by first driving circuit control first electronic switch unit electronic switch it is logical
Disconnected and described 2nd MCU is led to by the electronic switch that second driving circuit controls second electronic switch unit
It is disconnected, realize that failure is automatically injected.
Optionally, multiple electronic switches that first electronic switch unit includes are the first electronic switch and the second electronics
Switch, one end of first electronic switch connect the other end connection institute of the power supply line, first electronic switch
The other end of one end, second electronic switch for stating the second electronic switch connects the ground wire；
Multiple electronic switches that second electronic switch unit includes are third electronic switch, the 4th electronic switch, the
Five electronic switches, the 6th electronic switch, the 7th electronic switch, the 8th electronic switch and the 9th electronic switch；
The anode of the battery passes sequentially through the third electronic switch, the 4th electronic switch, the 5th electronics
Switch and the 6th electronic switch, are connected with the tie point of first electronic switch and second electronic switch；
The cathode of the battery passes sequentially through the 7th electronic switch, the 8th electronic switch and the 9th electronics
Switch, is connected with the tie point of first electronic switch and second electronic switch；
The anode interface of the BMS to be measured, the connection with the 5th electronic switch and the 6th electronic switch
Point is connected；
The battery cathode interface of the BMS to be measured, the connection with the 8th electronic switch and the 9th electronic switch
Point is connected.
Optionally, the quantity of the battery is N number of, and N number of battery is cascaded, and the N is just whole not less than 2
Number, second electronic switch unit further include：N-1 electronic switch set；
Each electronic switch set includes the tenth electronic switch, the 11st electronic switch, the 12nd electronic switch and the
13 electronic switches；
The anode of each first battery passes sequentially through the tenth electronic switch, the 11st electronic switch, described
12 electronic switches and the 13rd electronic switch, the tie point with first electronic switch and second electronic switch
It is connected, first battery is the battery connecting in the battery with the electronic switch set；
The cathode for another first battery connecting with the anode of first battery passes sequentially through described the
Ten electronic switches, the 11st electronic switch, the 12nd electronic switch and the 13rd electronic switch, with described
One electronic switch is connected with the tie point of second electronic switch；
The cathode of first battery connecting with the anode of the second battery passes sequentially through the third electronic switch, described
4th electronic switch, the 5th electronic switch and the 6th electronic switch, with first electronic switch and described second
The tie point of electronic switch is connected, second battery be in the battery with the third electronic switch, the 7th electronics
Switch the battery of connection；
In the BMS to be measured with the corresponding first anode interface of anode of first battery and with same institute
State the first battery anode connection another first battery the corresponding first battery cathode interface of cathode, with it is described
12nd electronic switch is connected with the tie point of the 13rd electronic switch；
The first electricity corresponding with the cathode of first battery of anode connection of second battery in the BMS to be measured
Pond cathode interface is connected with the tie point of the 5th electronic switch and the 6th electronic switch.
Optionally, the battery failures injected system further includes N-1 the 14th electronic switches；
It connects between every two adjacent battery by the 14th electronic switch；
2nd MCU controls the on-off of the 14th electronic switch.
Optionally, the third electronic switch, the 4th electronic switch, the 7th electronic switch, the tenth electricity
Sub switch and the 11st electronic switch are single-pole double-throw switch (SPDT)；
The third electronic switch is connected in the first on-state with the anode of second battery, the third electronics
Switch anode corresponding with the cathode of first battery of anode connection of second battery in the second on-state connects
It is logical；
4th electronic switch is realized in the first on-state to be connected with the third electronic switch, the 4th electricity
Sub switch realizes the connection of the cathode of second battery in the second on-state；
7th electronic switch is realized in the first on-state to be connected with the cathode of second battery, and the described 7th
Electronic switch is realized in the second on-state to be connected with the anode of second battery；
Tenth electronic switch is connected in the first on-state with the anode of first battery, the tenth electronics
Switch is corresponding just with the cathode of another first battery of the anode connection of first battery in the second on-state
Pole is connected；
11st electronic switch is connected in the first on-state with the tenth electronic switch, the 11st electricity
Sub switch is connected in the second on-state with the cathode of first battery.
Optionally, the quantity of the battery simulation direct fault location execution module is M, and the M is just whole not less than 2
Number.
Optionally, capacitor is connected between the anode and cathode of the battery.
Optionally, the system also includes：The host computer being connect with the first MCU, the 2nd MCU.
Optionally, pass through RS485 bus, RS232 bus between the host computer and the first MCU, the 2nd MCU
Or CAN bus connection.
Optionally, the battery simulation direct fault location generation module and the battery simulation direct fault location execution module it
Between, between the battery simulation direct fault location generation module and the power supply line, the ground wire and the battery simulation
It is connected by connector between direct fault location execution module and the battery, the BMS to be measured.
Compared with prior art, the technical solution of the utility model has the following advantages that：
The battery failures injected system that above-mentioned technical proposal provides, including：Battery simulation direct fault location generation module and electricity
Pond simulated fault injects execution module；Battery simulation direct fault location generation module includes the first MCU (Microcontroller
Unit, micro-control unit), the first driving circuit and the first electronic switch unit, battery simulation direct fault location execution module include
2nd MCU, the second driving circuit and the second electronic switch unit；First electronic switch unit receives the power supply electricity for surveying BMS respectively
Source line and ground wire；Second electronic switch unit connects battery and BMS to be measured respectively；First electronic switch unit and the second electronic switch
Unit connection；First MCU controls the on-off and second of the electronic switch of the first electronic switch unit by the first driving circuit
MCU controls the on-off of the electronic switch of the second electronic switch unit by the second driving circuit, realizes that failure is automatically injected.Relatively
In traditional manual access way, battery failures injected system provided by the utility model can realize the automatic of multiple battery failure
Injection, improves testing efficiency and the safety of BMS.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structural schematic diagram of battery failures injected system provided by the embodiment of the utility model；
Fig. 2 is a kind of schematic diagram of circuit connection structure of battery failures injected system provided by the embodiment of the utility model；
Fig. 3 is the circuit connection structure signal of another battery failures injected system provided by the embodiment of the utility model
Figure；
Fig. 4 is that the circuit connection structure of another battery failures injected system provided by the embodiment of the utility model is illustrated
Figure.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of battery failures injected system is present embodiments provided, shown in Figure 1, which includes：Battery simulation event
Barrier injection generation module and battery simulation direct fault location execution module.
Battery simulation direct fault location generation module includes the first MCU11, the first driving circuit 12 and the first electronic switch list
Member 13, the first 13 yuan of electronic switch list include multiple electronic switches；
Battery simulation direct fault location execution module includes the 2nd MCU21, the second driving circuit 22 and the second electronic switch list
Member 23, the second electronic switch unit 23 include multiple electronic switches；
First electronic switch unit 13 receives the power supply line 32 and ground wire 33 for surveying BMS31 respectively；
Second electronic switch unit 23 connects battery 34 and BMS31 to be measured respectively；
First electronic switch unit 13 and the connection of the second electronic switch unit 23；
First MCU11 by the first driving circuit 12 control the first electronic switch unit 13 electronic switch on-off, with
And the 2nd MCU21 by the second driving circuit 22 control the second electronic switch unit 23 electronic switch on-off, realize failure
It is automatically injected.
First MCU11 and the 2nd MCU can be, but not limited to as single-chip microcontroller S9S12G48F1VLC.Single-chip microcontroller can pass through
Which specific electronic switch movement of shift register control.Electronic switch can be, but not limited to as relay in the utility model
Device.
Fig. 2 shows a kind of circuit connection diagrams of battery failures injected system.Battery simulation direct fault location generates mould
Multiple electronic switches that first electronic switch unit 13 of block includes are specially the first electronic switch Relay1 and the second electronic cutting
Relay2 is closed, one end of the first electronic switch Relay1 connects the other end of power supply line 32, the first electronic switch Relay1
Connect one end of the second electronic switch Relay2, the other end connection ground wire 33 of the second electronic switch Relay2.BAT is in figure
Power supply line 32, GND are ground wire 33.Second electronic switch unit 23 of battery simulation direct fault location execution module it is multiple
Electronic switch is specially third electronic switch Relay3, the 4th electronic switch Relay4, the 5th electronic switch Relay5, the 6th electricity
Sub switch Relay6, the 7th electronic switch Relay7, the 8th electronic switch Relay8 and the 9th electronic switch Relay9.
The positive V1+ of battery 34 passes sequentially through third electronic switch Relay3, the 4th electronic switch Relay4, the 5th electronics
Switch Relay5, the 6th electronic switch Relay6, the connection with the first electronic switch Relay1 and the second electronic switch Relay2
Point is connected；The cathode V1- of battery 34 passes sequentially through the 7th electronic switch Relay7, the 8th electronic switch Relay8 and the 9th electronics
Switch Relay9 is connected with the tie point of the first electronic switch Relay1 and the second electronic switch Relay2.
The anode interface Vout1+ of BMS31 to be measured, with the 5th electronic switch Relay5 and the 6th electronic switch
The tie point of Relay6 is connected；The battery cathode interface Vout1- of BMS31 to be measured, with the electricity of the 8th electronic switch Relay8 and the 9th
The tie point of sub switch Relay9 is connected.
Table 1 shows the achievable fault type of structure of the battery simulation direct fault location module in Fig. 2.
The achievable fault type of battery failures injected system in 1 Fig. 2 of table
| Failure number | Fault type |
| 01 | Anode shorted to earth |
| 02 | Anode is to power supply short circuit |
| 03 | Battery cathode shorted to earth |
| 04 | Battery cathode is to power supply short circuit |
| 05 | Anode is with breaking between BMS to be measured |
| 06 | Battery cathode is with breaking between BMS to be measured |
Realize table 1 shown in 01 corresponding fault type when, each electronic switch in the state of fig. 2, the 2nd MCU21
It controls the 6th electronic switch Relay6 closure and the first MCU11 controls the second electronic switch Relay2 closure, electricity can be realized
The failure of pond anode shorted to earth.
Realize table 1 shown in 02 corresponding fault type when, each electronic switch in the state of fig. 2, the 2nd MCU21
It controls the 6th electronic switch Relay6 closure and the first MCU11 controls the first electronic switch Relay1 closure, electricity can be realized
Failure of the pond anode to power supply short circuit.
Realize table 1 shown in 03 corresponding fault type when, each electronic switch in the state of fig. 2, the 2nd MCU21
It controls the 9th electronic switch Relay9 closure and the first MCU11 controls the second electronic switch Relay2 closure, electricity can be realized
The failure of pond cathode shorted to earth.
Realize table 1 shown in 04 corresponding fault type when, each electronic switch in the state of fig. 2, the 2nd MCU21
It controls the 9th electronic switch Relay9 closure and the first MCU11 controls the first electronic switch Relay1 closure, electricity can be realized
The failure of pond cathode shorted to earth.
Realize table 1 shown in 05 corresponding fault type when, each electronic switch in the state of fig. 2, the 2nd MCU21
The 5th electronic switch Relay5 disconnection is controlled, anode can be realized with breaking between BMS31 to be measured.
Realize table 1 shown in 06 corresponding fault type when, each electronic switch in the state of fig. 2, the 2nd MCU21
The 8th electronic switch Relay8 disconnection is controlled, battery cathode can be realized with breaking between BMS31 to be measured.
It should be noted that when BMS31 application to be measured works normally in the car, anode interface Vout1+ and electricity
The cathode of the positive V1+ connection in pond, its battery cathode interface Vout1- and battery connects.
Fig. 3 shows the circuit connection diagram of another battery failures injected system.Fig. 3 is relative to illustrated in fig. 2
Second electronic switch unit 23 further include 2 electronic switch sets and shown in battery quantity be three.Three batteries it is negative
Pole respectively corresponds V1-, V2- and V3- in figure, and the anode of three batteries respectively corresponds V1+, V2+ and V3+ in figure.
Each electronic switch set includes the tenth electronic switch Relay10, the 11st electronic switch Relay11, the 12nd electricity
Sub switch Relay12 and the 13rd electronic switch Relay13.
The positive V2+ of one the first battery passes sequentially through the tenth electronic switch Relay10, the 11st electronic switch
Relay11, the 12nd electronic switch Relay12 and the 13rd electronic switch Relay13, with the first electronic switch Relay1 and
The tie point of two electronic switch Relay2 is connected, and the first battery is the battery connecting in battery with electronic switch set.Exist in Fig. 3
Two the first batteries, positive and negative extremely V2+, V2- of first battery；Positive and negative extremely V3+, V3- of another the first battery.
The tenth electronic switch is passed sequentially through with the cathode V3- of the positive V2+ of the first battery another the first battery connecting
Relay10, the 11st electronic switch Relay11, the 12nd electronic switch Relay12 and the 13rd electronic switch Relay13, with
The tie point of first electronic switch Relay1 and the second electronic switch Relay2 are connected.
The positive V3+ of another the first battery passes sequentially through the tenth electronic switch Relay10, the 11st electronic switch
Relay11, the 12nd electronic switch Relay12 and the 13rd electronic switch Relay13, with the first electronic switch Relay1 and
The tie point of two electronic switch Relay2 is connected.
With the cathode V2- of the positive V1+ of the second battery the first battery connecting pass sequentially through third electronic switch Relay3,
4th electronic switch Relay4, the 5th electronic switch Relay5, the 6th electronic switch Relay6, with the first electronic switch Relay1
It is connected with the tie point of the second electronic switch Relay2.Second battery be battery in third electronic switch Relay3, the 7th electricity
The battery of sub switch Relay7 connection.There are positive and negative extremely V1+, V1- of the second battery in Fig. 3.
The positive V1+ of second battery passes sequentially through third electronic switch Relay3, the 4th electronic switch Relay4, the 5th electricity
Sub switch Relay5, the 6th electronic switch Relay6, the company with the first electronic switch Relay1 and the second electronic switch Relay2
Contact is connected.
The cathode V1- of second battery passes sequentially through the 7th electronic switch Relay7, the 8th electronic switch Relay8 and the 9th
Electronic switch Relay9 is connected with the tie point of the first electronic switch Relay1 and the second electronic switch Relay2.
In BMS31 to be measured first anode interface Vout2+ corresponding with the positive V2+ of the first battery and with it is same
The corresponding first battery cathode interface Vout3- of cathode V3- of another the first battery of the positive V2+ connection of the first battery,
It is connected with the tie point of the 12nd electronic switch Relay12 and the 13rd electronic switch Relay13.
First anode interface Vout3+ corresponding with the positive V3+ of the first battery in BMS31 to be measured, with the 12nd electricity
The tie point of sub switch Relay12 and the 13rd electronic switch Relay13 are connected.
The first battery corresponding with the cathode V2- of the first battery of positive V1+ connection of the second battery is negative in BMS31 to be measured
Pole interface Vout2-, is connected with the tie point of the 5th electronic switch Relay5 and the 6th electronic switch Relay6.
Second anode interface Vout1+ corresponding with the positive V1+ of the second battery in BMS31 to be measured, with the 5th electronics
The tie point of switch Relay5 and the 6th electronic switch Relay6 are connected.
Second battery cathode interface Vout1- corresponding with the cathode V1- of the second battery in BMS31 to be measured, with the 8th electronics
The tie point of switch Relay8 and the 9th electronic switch Relay9 are connected.
It should be noted that when BMS31 application to be measured works normally in the car, anode interface Vout1+,
Vout2+, Vout2+, Vout1-, Vout2-, Vout3- respectively with electrode V1+, V2+, V3+, V1-, V2-, V3- in battery pack
Connection.
Battery failures injected system shown in Fig. 3 can connect fault type of three batteries respectively in realization table 1.Second
The number for the electronic switch set that electronic switch unit 23 includes can be determined according to the concrete specification of BMS31 to be measured.For example,
When the BMS31 to be measured of a certain specification is worked normally, the number of the battery of connection is ten, it is determined that the number of electronic switch set is
9, and then battery failures injected system can simulate the various fault types of ten batteries and be injected into BMS31 to be measured.Below
Illustrate first battery, i.e. the direct fault location side of the various fault types of corresponding first battery of V2+, V2- in Fig. 3
Method.
Each electronic switch in the condition shown in figure 3, the 2nd MCU21 control the 13rd electronic switch Relay13 closure, with
And the first MCU11 control the second electronic switch Relay2 closure, the failure of anode V2+ shorted to earth can be realized.
Each electronic switch in the condition shown in figure 3, the 2nd MCU21 control the 13rd electronic switch Relay13 closure, with
And the first MCU11 control the first electronic switch Relay1 closure, anode V2+ can be realized to the failure of power supply short circuit.
Each electronic switch in the condition shown in figure 3, the 2nd MCU21 control the 6th electronic switch Relay6 closure and
First MCU11 controls the second electronic switch Relay2 closure, and the failure of battery cathode V2- shorted to earth can be realized.
Each electronic switch in the condition shown in figure 3, the 2nd MCU21 control the 6th electronic switch Relay6 closure and
First MCU11 controls the first electronic switch Relay1 closure, and the failure of battery cathode V2- shorted to earth can be realized.
In the condition shown in figure 3, the 2nd MCU21 controls the 12nd electronic switch Relay12 and disconnects each electronic switch, i.e.,
Anode V2+ can be achieved with failure breaking between BMS31 to be measured.
In the condition shown in figure 3, the 2nd MCU21 controls the 5th electronic switch Relay5 and disconnects each electronic switch
Realize battery cathode V2- with failure breaking between BMS31 to be measured.
When two batteries are cascaded, the anode of a battery is connect with the cathode of another battery, at this moment, the battery
Anode fault type it is consistent with the cathode fault type of another battery.For example, situation shown in Fig. 3, anode V2+
Failure to power supply short circuit is failure of the battery cathode V3- to power supply short circuit.
Fig. 4 shows the circuit connection diagram of another battery failures injected system.Fig. 4 is relative to the electricity shown in Fig. 3
Lu Tu further includes three capacitor C and two the 14th electronic switch Relay14；One is connected between the positive and negative anodes of each battery
A capacitor C is connected by a 14th electronic switch Relay14 between every two adjacent battery；2nd MCU control
The on-off of 14th electronic switch Relay14；Third electronic switch Relay3, the 4th electronic switch Relay4, the 7th electronic cutting
Closing Relay7, the tenth electronic switch Relay10 and the 11st electronic switch Relay11 is single-pole double-throw switch (SPDT)；Third electronics
Switch Relay3 is connected in the first on-state with the positive V1+ of the second battery, and third electronic switch Relay3 connects second
Anode V2+ corresponding with the cathode V2- of the first battery of positive V1+ connection of the second battery is connected when logical state；4th electronics
Switch Relay4 is connected in the first on-state with third electronic switch Relay3, and the 4th electronic switch Relay4 connects second
Connection when leading to state with the cathode V1- of the second battery；7th electronic switch Relay7 is electric with second in the first on-state
The connection of the cathode V1- in pond, the 7th electronic switch Relay7 are connected in the second on-state with the positive V1+ of the second battery；
In the electronic switch set of the first battery connection corresponding for V2+, V2- of Fig. 4, the tenth electronic switch Relay10 connects first
Connected when logical state with the positive V2+ of the first battery, the tenth electronic switch Relay10 in the second on-state with the first battery
The corresponding anode V3+ of cathode V3- of the first battery of positive V2+ connection connect；11st electronics Relay11 is switched first
It is connected when on-state with the tenth electronic switch Relay10, the 11st electronic switch Relay11 is in the second on-state with the
The cathode V2- of one battery is connected.
Battery failures injected system shown in Fig. 4, not only may be implemented the fault type shown in table 1, can also realize electricity
The failure of the polarity reversion and battery series trip in pond.The direct fault location of polarity reversion and battery series trip is carried out below detailed
It is thin to introduce.
The direct fault location of the polarity reversion of corresponding first battery of one the first battery, i.e. V2+, V2-.Each electronic switch
In the state shown in fig. 4, the 2nd MCU21 controls the tenth in the electronic switch set of the corresponding first battery connection of V2+, V2-
One electronic switch Relay11 changes on-state and control third electronic switch Relay3 changes on-state, can be realized
The failure of the polarity reversion of corresponding first battery of V2+, V2-.
The direct fault location of the polarity reversion of corresponding first battery of second battery, i.e. V1+, V1-.Each electronic switch is being schemed
In the state of shown in 4, the 2nd MCU21 controls the 4th electronic switch Relay4 and changes the 7th electronic cutting of on-state and control
Close Relay7 change on-state, can the second battery polarity reversion failure.
The direct fault location of the series trip of second battery and the first battery.Each electronic switch in the state shown in fig. 4,
The concatenated 14th electronic switch Relay14 of cathode V2- that MCU21 controls the positive V1+ and the first battery of the second battery is disconnected,
The direct fault location of the series trip of the second battery and the first battery can be realized.
The direct fault location of the series trip of two the first batteries.Each electronic switch in the state shown in fig. 4, control by MCU21
The concatenated 14th electronic switch Relay14 of the cathode V3- of the positive V2+ and the first battery that make the first battery is disconnected, Ji Keshi
The direct fault location of the series trip of existing two the first batteries.
The quantity at least two of battery simulation direct fault location execution module in battery failures injected system.Each battery
Simulated fault injection execution module can be separately connected a battery pack and a BMS31 to be measured.To realize a battery failures
Test of the injected system to multiple BMS31 to be measured.
First MCU11 and the 2nd MCU21 can be connect by RS485 bus, RS232 bus or CAN bus with host computer.
First MCU11 and the 2nd MCU21 receives the control instruction of host computer, the on-off of corresponding electronic switch is controlled, to be measured
BMS31 realizes the injection of various electric faults.
Between battery simulation direct fault location generation module and battery simulation direct fault location execution module, battery simulation failure note
Enter between generation module and power supply line 32, ground wire 33 and battery simulation direct fault location execution module and battery 34, to be measured
It is connected by connector between BMS31.
Herein, relational terms such as first and second and the like be used merely to by an entity or operation with it is another
One entity or operation distinguish, and without necessarily requiring or implying between these entities or operation, there are any this reality
Relationship or sequence.And the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion,
So that the equipment for including a series of elements not only includes those elements, but also other including being not explicitly listed are wanted
Element, or further include the element intrinsic for this equipment.In the absence of more restrictions, by sentence " including one
It is a ... " limit element, it is not excluded that include the element equipment in there is also other identical elements.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
To the above description of utility model the disclosed embodiments, professional and technical personnel in the field is made to can be realized or use
The utility model.Various modifications to these embodiments will be readily apparent to those skilled in the art, this
General Principle defined in text can without departing from the spirit or scope of the present utility model, in other embodiments
It realizes.Therefore, the present invention will not be limited to the embodiments shown herein, and be to fit to it is disclosed herein
Principle and the consistent widest scope of features of novelty.
Claims (10)
1. a kind of battery failures injected system, which is characterized in that including：Battery simulation direct fault location generation module and battery simulation
Direct fault location execution module；
The battery simulation direct fault location generation module includes the first MCU, the first driving circuit and the first electronic switch unit, institute
Stating the first electronic switch unit includes multiple electronic switches；
The battery simulation direct fault location execution module includes the 2nd MCU, the second driving circuit and the second electronic switch unit, institute
Stating the second electronic switch unit includes multiple electronic switches；
First electronic switch unit receives the power supply line and ground wire for surveying BMS respectively；
Second electronic switch unit connects battery and the BMS to be measured respectively；
First electronic switch unit is connected with second electronic switch unit；
First MCU by first driving circuit control first electronic switch unit electronic switch on-off,
And the 2nd MCU controls the on-off of the electronic switch of second electronic switch unit by second driving circuit,
Realize that failure is automatically injected.
2. system according to claim 1, which is characterized in that multiple electronic cuttings that first electronic switch unit includes
Closing is the first electronic switch and the second electronic switch, and one end of first electronic switch connects the power supply line, described
The other end of first electronic switch connects the other end connection institute of one end of second electronic switch, second electronic switch
State ground wire；
Multiple electronic switches that second electronic switch unit includes are third electronic switch, the 4th electronic switch, the 5th electricity
Sub switch, the 6th electronic switch, the 7th electronic switch, the 8th electronic switch and the 9th electronic switch；
The anode of the battery passes sequentially through the third electronic switch, the 4th electronic switch, the 5th electronic switch
With the 6th electronic switch, it is connected with the tie point of first electronic switch and second electronic switch；
The cathode of the battery passes sequentially through the 7th electronic switch, the 8th electronic switch and the 9th electronic cutting
It closes, is connected with the tie point of first electronic switch and second electronic switch；
The anode interface of the BMS to be measured, the tie point phase with the 5th electronic switch and the 6th electronic switch
Even；
The battery cathode interface of the BMS to be measured, the tie point phase with the 8th electronic switch and the 9th electronic switch
Even.
3. system according to claim 2, which is characterized in that the quantity of the battery is N number of, N number of battery series connection
Together, the N is the positive integer not less than 2, and second electronic switch unit further includes：N-1 electronic switch set；
Each electronic switch set includes the tenth electronic switch, the 11st electronic switch, the 12nd electronic switch and the 13rd
Electronic switch；
The anode of each first battery passes sequentially through the tenth electronic switch, the 11st electronic switch, the described 12nd
Electronic switch and the 13rd electronic switch, the tie point phase with first electronic switch and second electronic switch
Even, first battery is the battery connecting in the battery with the electronic switch set；
The cathode for another first battery connecting with the anode of first battery passes sequentially through the tenth electricity
Sub switch, the 11st electronic switch, the 12nd electronic switch and the 13rd electronic switch, with first electricity
Sub switch is connected with the tie point of second electronic switch；
The cathode for first battery connecting with the anode of the second battery passes sequentially through the third electronic switch, the described 4th
Electronic switch, the 5th electronic switch and the 6th electronic switch, with first electronic switch and second electronics
The tie point of switch is connected, second battery be in the battery with the third electronic switch, the 7th electronic switch
The battery of connection；
With the corresponding first anode interface of anode of first battery and with same described the in the BMS to be measured
The corresponding first battery cathode interface of cathode of another first battery of the anode connection of one battery, with the described tenth
Two electronic switches are connected with the tie point of the 13rd electronic switch；
The first battery corresponding with the cathode of first battery of anode connection of second battery is negative in the BMS to be measured
Pole interface is connected with the tie point of the 5th electronic switch and the 6th electronic switch.
4. system according to claim 3, which is characterized in that the battery failures injected system further includes N-1 the tenth
Four electronic switches；
It connects between every two adjacent battery by the 14th electronic switch；
2nd MCU controls the on-off of the 14th electronic switch.
5. system according to claim 3, which is characterized in that the third electronic switch, the 4th electronic switch, institute
Stating the 7th electronic switch, the tenth electronic switch and the 11st electronic switch is single-pole double-throw switch (SPDT)；
The third electronic switch is connected in the first on-state with the anode of second battery, the third electronic switch
In the second on-state, anode corresponding with the cathode of first battery of anode connection of second battery is connected；
4th electronic switch is realized in the first on-state to be connected with the third electronic switch, the 4th electronic cutting
Close the connection that the cathode of second battery is realized in the second on-state；
7th electronic switch is realized in the first on-state to be connected with the cathode of second battery, the 7th electronics
Switch is realized in the second on-state to be connected with the anode of second battery；
Tenth electronic switch is connected in the first on-state with the anode of first battery, the tenth electronic switch
In the second on-state, anode corresponding with the cathode of another first battery of anode connection of first battery is connect
It is logical；
11st electronic switch is connected in the first on-state with the tenth electronic switch, the 11st electronic cutting
It closes and is connected in the second on-state with the cathode of first battery.
6. system described in any one according to claim 1~5, which is characterized in that the battery simulation direct fault location executes
The quantity of module is M, and the M is the positive integer not less than 2.
7. system according to claim 1, which is characterized in that connect capacitor between the anode and cathode of the battery.
8. system according to claim 1, which is characterized in that the system also includes：With the first MCU, described
The host computer of two MCU connections.
9. system according to claim 8, which is characterized in that the host computer and the first MCU, the 2nd MCU
Between by RS485 bus, RS232 bus or CAN bus connection.
10. system according to claim 1, which is characterized in that the battery simulation direct fault location generation module and described
Between battery simulation direct fault location execution module, the battery simulation direct fault location generation module and the power supply line, institute
It states between ground wire and passes through between the battery simulation direct fault location execution module and the battery, the BMS to be measured and connect
Plug-in unit connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820469914.6U CN208141211U (en) | 2018-03-30 | 2018-03-30 | A kind of battery failures injected system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820469914.6U CN208141211U (en) | 2018-03-30 | 2018-03-30 | A kind of battery failures injected system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208141211U true CN208141211U (en) | 2018-11-23 |
Family
ID=64291030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820469914.6U Active CN208141211U (en) | 2018-03-30 | 2018-03-30 | A kind of battery failures injected system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208141211U (en) |
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2018
- 2018-03-30 CN CN201820469914.6U patent/CN208141211U/en active Active
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Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hirain Technologies Co.,Inc. Address before: 8 / F, block B, No. 11, Anxiang Beili, Chaoyang District, Beijing 100101 Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |