CN109581128A - Battery pack charge function test macro and method - Google Patents
Battery pack charge function test macro and method Download PDFInfo
- Publication number
- CN109581128A CN109581128A CN201811626710.XA CN201811626710A CN109581128A CN 109581128 A CN109581128 A CN 109581128A CN 201811626710 A CN201811626710 A CN 201811626710A CN 109581128 A CN109581128 A CN 109581128A
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- management system
- battery management
- battery pack
- charging
- battery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to power battery fields, a kind of battery pack charge function test macro and method are provided, battery pack includes battery management system, battery pack charge function test macro includes: test host computer, test power supply and first resistor, wherein, the power pins for testing power supply and battery management system connect；The communication pin for testing host computer and battery management system connects, and is used for: detecting the first voltage of the charging connection pin of battery management system；Control first resistor be connected to battery management system charging connection pin and power supply it is negative between；After connecting first resistor, the second voltage of the charging connection pin of battery management system is detected；And when second voltage is less than or equal to the preset percentage of first voltage, judge that battery pack charge port physical connection is normal.Battery pack charge function test macro of the present invention can carry out charge port physical connection simple and accurately test, and improve the production quality excellent rate of battery pack.
Description
Technical field
The present invention relates to power battery technology field, in particular to a kind of battery pack charge function test macro and method.
Background technique
With the continuous improvement (mainstream passenger car has reached 150Ah or more) of power battery capacity, direct current charge function is had become
For indispensable one of the standard configuration of pure electric automobile (BEV), power battery pack high-voltage charging circuit passes through fast charge contactor
It is connect with external charging stake, is the important energy input channel of electric car, charging process includes six stages: physical connection,
Low pressure powers on, charging is shaken hands, parameter configuration, charging and charging terminate.
As shown in Figure 1, CC2 signal detection charging gun and vehicle physical connection, which connects 1K pull down resistor, and physics connects
The signal can input an actuation voltage to BMS when connecing without exception.A+ signal connects charger accessory power supply, charging gun and vehicle
When charge port connects, vehicle low pressure is powered on.Charging shake hands with after the completion of parameter configuration, K5 in figure K6 contactor closure, charging
After K5 K6 contactor disconnect, contactor driving signal by battery pack battery management system flash drive provide.
To ensure that battery packages Chinese herbaceous peony charge function is normal, the concerned countries standard conversion for needing to refer to off-board charging is
Volume production production technology, the function of being related to battery pack to six stages of charging carry out complete detection as far as possible, and existing detection technique is
Test host computer sends fast charge signal by vehicle CAN and gives battery management system BMS, drives line with multimeter test b MS flash
Then whether the voltage of beam judges the range of voltage in acceptability limit.Existing detection technique lacks the letter to physical connection etc.
It singly accurately tests, it is most likely that defective product is caused to occur.
Summary of the invention
In view of this, the present invention is directed to propose a kind of battery pack charge function test macro and method, to charge port object
Reason connection is carried out simple and is accurately tested, and improves the production quality excellent rate of battery pack.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of battery pack charge function test macro, the battery pack include battery management system, the battery pack charging
Function test system includes: test host computer, test power supply and first resistor, wherein the test power supply and the battery
The power pins of management system connect；The communication pin of the test host computer and battery management system connects, and is used for: detection institute
State the first voltage of the charging connection pin of battery management system；It controls the first resistor and is connected to the battery management system
Charging connection pin and the power supply it is negative between；After connecting the first resistor, the battery management system is detected
The second voltage of charging connection pin；And when the second voltage is less than or equal to the preset percentage of the first voltage,
Judge that the battery pack charge port physical connection is normal.
Further, the test host computer is also used to: the control test power supply is filled with the battery management system
Electricity wakes up pin connection；Detect the charging wake-up voltage of the battery management system；In the charging wake-up voltage in default model
When enclosing interior, judge that the battery management system function of supplying power is normal.
Further, the test host computer is also used to: Xiang Suoshu battery management system send charger handshake message and
Vehicle handshake message；Detect whether the battery management system receives charger handshake message and vehicle handshake message；Described
When battery management system receives charger handshake message and vehicle handshake message, judge that the charging of the battery management system is shaken hands
Function is normal.
Further, which further includes second resistance, and the test host computer is also used to:
The second resistance is controlled to connect with the temperature acquisition pin of the battery management system；Detect the temperature of the battery management system
Spend sampled value；When the temperature sampling value is within the scope of temperature corresponding to the second resistance, the battery management system is judged
The temperature detecting function of system is normal.
Further, which further includes high voltage connector, and the test host computer is also used
In: it controls the high voltage connector and is connect with the flash of battery management system driving pin；To the battery management system
Send charging contactor close commands；Whether the high-voltage end for detecting the high voltage connector is connected；In the high voltage connector
When high-voltage end is connected, judge that the flash driving function of the battery management system is normal.
Compared with the existing technology, battery pack charge function test macro of the present invention has the advantage that
Battery pack charge function test macro of the present invention, battery pack include battery management system, by test
The charging connection pin of position machine control first resistor and battery management system connects, and acquires the first electricity of connection of charging connection pin
Voltage before resistance and after connection first resistor, to carry out the two comparison, to whether just to judge battery pack charge port physical connection
Often.By the way that test host computer, test power supply and these simple equipment of first resistor and component is used only, so that it may to charge port
Physical connection is carried out simple and is accurately tested, and improves the production quality excellent rate of battery pack.
Another object of the present invention is to propose a kind of battery pack charge function test method, to charge port physical connection
It carries out simple and accurately tests, improve the production quality excellent rate of battery pack.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of battery pack charge function test method, the battery pack include battery management system, the battery pack charging
For function test method using test power supply and first resistor, the battery pack charge function test method includes: the control survey
Examination power supply is connect with the power pins of the battery management system；Detect the of the charging connection pin of the battery management system
One voltage；Control the first resistor be connected to the battery management system charging connection pin and the power supply it is negative between；
After connecting the first resistor, the second voltage of the charging connection pin of the battery management system is detected；And institute
When stating preset percentage of the second voltage less than or equal to the first voltage, the battery pack charge port physical connection is being judged just
Often.
Further, the battery pack charge function test method further include: the control test power supply and the battery
The charging of management system wakes up pin connection；Detect the charging wake-up voltage of the battery management system；It is waken up in the charging
Voltage within a preset range when, judge that the battery management system function of supplying power is normal.
Further, the battery pack charge function test method further include: Xiang Suoshu battery management system sends charging
Machine handshake message and vehicle handshake message；Detect whether the battery management system receives charger handshake message and vehicle is shaken hands
Message；When the battery management system receives charger handshake message and vehicle handshake message, the battery management system is judged
The charging handshake function of system is normal.
Further, which also uses second resistance, the battery pack charging function
Energy test method further include: control the second resistance and connect with the temperature acquisition pin of the battery management system；Detection institute
State the temperature sampling value of battery management system；When the temperature sampling value is within the scope of temperature corresponding to the second resistance,
Judge that the temperature detecting function of the battery management system is normal.
Further, which also uses high voltage connector, the battery pack charging
Function test method further include: control the high voltage connector and connect with the flash of battery management system driving pin；To
The battery management system sends charging contactor close commands；Whether the high-voltage end for detecting the high voltage connector is connected；?
When the high-voltage end conducting of the high voltage connector, judge that the flash driving function of the battery management system is normal.
The battery pack charge function test method and above-mentioned battery pack charge function test macro are compared with the existing technology
Possessed advantage is identical, and details are not described herein.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies mode and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is prior art electric car charging guidance circuit schematic diagram；
Fig. 2A -2E is the structural schematic diagram for the battery pack charge function test macro that one embodiment of the invention provides；
Fig. 3 is the work flow diagram for the battery pack charge function test macro that one embodiment of the invention provides；
Fig. 4 is the flow chart for the battery pack charge function test method that one embodiment of the invention provides；
Fig. 5 be another embodiment of the present invention provides battery pack charge function test method flow chart；
Fig. 6 be another embodiment of the present invention provides battery pack charge function test method flow chart；
Fig. 7 be another embodiment of the present invention provides battery pack charge function test method flow chart；
Fig. 8 be another embodiment of the present invention provides battery pack charge function test method flow chart.
Description of symbols
1 battery management system 2 tests host computer
3 test 4 first resistors of power supply
5 second resistance, 6 high voltage connector
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can
To be combined with each other.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
Fig. 2A is the structural schematic diagram for the battery pack charge function test macro that one embodiment of the invention provides.Such as Fig. 2A institute
Show, the battery pack includes battery management system 1, and the battery pack charge function test macro includes: test host computer 2, surveys
Try power supply 3 and first resistor 4, wherein the test power supply 3 is connect with the power pins of the battery management system 1；It is described
Test host computer 2 is connect with the communication pin of battery management system 1, is used for: being detected the charging connection of the battery management system 1
The first voltage of pin；Control charging connection pin and the electricity that the first resistor 4 is connected to the battery management system 1
Between source is negative；After connecting the first resistor 4, the second electricity of the charging connection pin of the battery management system 1 is detected
Pressure；And when the second voltage is less than or equal to the preset percentage of the first voltage, judge the battery pack charge port
Physical connection is normal.
In embodiments of the present invention, carry out analog charge stake using the test power supply of power supply 3 and vehicle lead-acid battery is powered, preferably
For 12V power supply, in addition, being interacted using test host computer 2 simulation vehicle and charger with battery management system 1, the test is upper
Machine 2 is made of computer and USBCAN interconnecting device, and includes CANTOOL software program.Charging connection pin such as CC2 pin,
Pin such as CAN communication pin, CAN baud rate 250K are communicated, communication channel is the charging communication CAN independently of full-vehicle control,
Message period 250ms, identifier and message are according to GBT27930-2015 (the off-board conduction-type charger of electric car and electricity
Communication protocol between the management system of pond) in related content.
In the present embodiment, test power supply 3 provides normal electricity to battery management system 1.Battery management system 1 is detected first
Then the first voltage of charging connection pin controls charging connection pin and electricity that first resistor 4 is connected to battery management system 1
Between source is negative (such as completing to connect by being closed the switch being arranged between first resistor 4 and charging connection pin).Even
After connecing first resistor 4, the second voltage of the charging connection pin of battery management system 1 is detected, is less than or equal in second voltage
When the preset percentage of first voltage, normal (the hardware company i.e. between charging gun and vehicle of battery pack charge port physical connection is judged
It connects normal)；When second voltage is greater than the preset percentage of first voltage, judge that battery pack charge port physical connection is abnormal.
Above-mentioned first resistor 4 is advisable with 1K-1.5K ohm of resistance, and the first resistor 4 of the numerical value can make conventional electricity
Pond management system 1 is waken up.In addition 4 resistance value of first resistor can also be with the related change in resistance inside battery management system 1.?
When first resistor 4 is 1K ohm, preset percentage can be 1/2nd, but the present invention is without limitation, and preset percentage can also be with
Change with the adjustment of 4 resistance value of first resistor.
In addition, if battery management system 1 is waken up, test host computer also can be used after connecting first resistor 4
2 check whether to receive the message of the transmission of battery management system 1, if receiving any message, then it represents that charge port physical connection
Normally；If not receiving message, then it represents that charge port physical connection is abnormal.
Fig. 2 B be another embodiment of the present invention provides battery pack charge function test macro structural schematic diagram.Such as Fig. 2 B
Shown, the test host computer 2 is also used to: the charging of the control test power supply 3 and the battery management system 1 wakes up pin
Connection；Detect the charging wake-up voltage of the battery management system 1；The charging wake-up voltage within a preset range when, sentence
1 function of supplying power of battery management system that breaks is normal.
In embodiments of the present invention, test host computer 2 can also control test power supply 3 and connect filling for battery management system 1
It is electric to wake up pin (such as completing to connect by being closed the switch being arranged between test power supply 3 and charging wake-up pin), it should
It is, for example, A+ pin that charging, which wakes up pin,.Then, check that charging wakes up the signal voltage of pin using test host computer 2, if electric
Pressure within a preset range, then judge battery management system 1 receive charging pile function of supplying power it is normal.The preset range is with test electricity
The voltage in source 3 is arranged, such as when test power supply 3 is 12V, then preset range can be set to 9-16V.
Fig. 2 C be another embodiment of the present invention provides battery pack charge function test macro structural schematic diagram.Such as Fig. 2 C
Shown, the test host computer 2 is also used to: Xiang Suoshu battery management system 1 sends charger handshake message and vehicle and shakes hands report
Text；Detect whether the battery management system 1 receives charger handshake message and vehicle handshake message；In the battery management system
When system 1 receives charger handshake message and vehicle handshake message, the charging handshake function of the battery management system 1 is being judged just
Often.
In the present embodiment, CHM (charger is shaken hands) message (example is sent to battery management system 1 using test host computer 2
Such as frame ID:1826F456；Data HEX:010100), analog charge stake sends BHM (vehicle is shaken hands) report to battery management system 1
Literary (such as 81E56F4) judges battery if battery management system 1 receives charger handshake message and vehicle handshake message
The charging handshake function of management system 1 is normal.
Fig. 2 D be another embodiment of the present invention provides battery pack charge function test macro structural schematic diagram.Such as Fig. 2 D
Shown, which further includes second resistance 5, and the test host computer 2 is also used to: control described the
Two resistance 5 are connect with the temperature acquisition pin of the battery management system 1；Detect the temperature sampling of the battery management system 1
Value；When the temperature sampling value is within the scope of temperature corresponding to the second resistance 5, the battery management system 1 is judged
Temperature detecting function is normal.
In the present embodiment, second resistance 5 can be the resistance of thermo-sensitive resistor or known numeric value, and test host computer 2 controls
The temperature acquisition pin that second resistance 5 connects battery management system 1 (such as is arranged by closure and is adopted in second resistance 5 and temperature
Collect the switch between pin to complete to connect).Due to when actually being charged, being provided that thermo-sensitive resistor, therefore electricity herein
Pond management system 1 has the function of detecting connected resistance, and varied with temperature according to thermo-sensitive resistor resistance value and the original that changes
Reason, converts corresponding temperature for detected resistance value.Such as under normal circumstances, when being in room temperature (25 DEG C or so),
Thermo-sensitive resistor is 10K ohm, if battery management system 1 detects that the resistance value of second resistance 5 is 10K ohm, by 10K ohm
It is converted into 25 DEG C of temperature value.
Therefore, the present invention, which works as, uses the resistance of known numeric value as second resistance 5, such as 10K ohm, tests host computer 2
The corresponding normal temperature range of the resistance can be set, such as 10K ohm of corresponding normal temperatures are 25 DEG C, then being arranged just
Normal temperature range is 23 DEG C -27 DEG C.When battery management system 1 detect second resistance 5 resistance value be 10K ohm, positive reason
Under condition, then sends 25 DEG C of temperature value and give test host computer 2, test host computer 2 receives temperature value in the temperature range 23
In DEG C -27 DEG C, then judge that the temperature detecting function of battery management system 1 is normal.
If use thermo-sensitive resistor as second resistance 5, temperature detecting function is can be set in test host computer, and passes through
The temperature setting temperature range detected.Other processes are similar with the resistance that known numeric value is used above, and details are not described herein.
Fig. 2 E be another embodiment of the present invention provides battery pack charge function test macro structural schematic diagram.Such as Fig. 2 E
Shown, which further includes high voltage connector 6, and the test host computer 2 is also used to: described in control
High voltage connector 6 is connect with the flash of the battery management system 1 driving pin；It sends and charges to the battery management system 1
Contactor close commands；Whether the high-voltage end for detecting the high voltage connector 6 is connected；In the high-voltage end of the high voltage connector 6
When conducting, judge that the flash driving function of the battery management system 1 is normal.
In the present embodiment, using 6 analog charge relay of high voltage connector, safe section EV200 can be used for example and replace.
The test control connection flash driving of high voltage connector 6 of host computer 2 pin (such as by closure setting in high voltage connector 6 and height
Side drives the switch between pin to complete to connect).Test host computer 2 sends charging contactor close commands and gives battery management system
System 1, and whether the high-voltage end for detecting high voltage connector 6 is connected (such as passing through multimeter detection), if conducting, judges cell tube
The flash driving function of reason system 1 is normal；If being not turned on, judge that the flash driving function of battery management system 1 is abnormal.
Fig. 3 is the work flow diagram for the battery pack charge function test macro that one embodiment of the invention provides.Such as Fig. 3 institute
It states, preferably above-mentioned test carries out in order, i.e. the practical charging process of relatively complete simulated battery management system 1.It is specific as follows: complete
At hardware connection and parameter setting, the connection of first resistor 4 is then completed, to detect that charge port physical connection is normal, then
It completes test power supply 3 and charging wakes up the connection of pin, to detect that function of supplying power is normal, then test host computer 2 and issue report
Then text completes the connection of second resistance 5 to detect that charging handshake function is normal, to detect that temperature detecting function is normal,
The connection of high voltage connector 6 is finally completed, to detect that flash driving function is normal, when above-mentioned detection is all normal, completes inspection
It surveys.
Fig. 4 is the flow chart for the battery pack charge function test method that one embodiment of the invention provides.As shown in figure 4, institute
Stating battery pack includes battery management system, and the battery pack charge function test method uses test power supply and first resistor, institute
Stating battery pack charge function test method includes:
Step S41 controls the test power supply and connect with the power pins of the battery management system；
Step S42 detects the first voltage of the charging connection pin of the battery management system；
Step S43 controls charging connection pin and the electricity that the first resistor is connected to the battery management system
Between source is negative；
Step S44 detects the of the charging connection pin of the battery management system after connecting the first resistor
Two voltages；
Step S45, judges whether the second voltage is less than or equal to the preset percentage of the first voltage；
Step S46 judges the battery when the second voltage is less than or equal to the preset percentage of the first voltage
Packet charge port physical connection is normal；And
Step S47 judges that the battery pack is filled when the second voltage is greater than the preset percentage of the first voltage
Power port physical connection is abnormal.
Fig. 5 be another embodiment of the present invention provides battery pack charge function test method flow chart.As shown in figure 5,
Further, the battery pack charge function test method further include:
Step S51 controls the test power supply and connect with the charging of battery management system wake-up pin；
Step S52 detects the charging wake-up voltage of the battery management system；
Whether within a preset range step S53 judges the charging wake-up voltage；
Step S54, the charging wake-up voltage within a preset range when, judge the battery management system function of supplying power
Normally；
Step S55, the charging wake-up voltage not within a preset range when, judge the battery management system for electric work
It can be normal.
Fig. 6 be another embodiment of the present invention provides battery pack charge function test method flow chart.As shown in fig. 6,
Further, the battery pack charge function test method further include:
Step S61, Xiang Suoshu battery management system sends charger handshake message and vehicle handshake message；
Step S62, detects whether the battery management system receives charger handshake message and vehicle handshake message；
Step S63, when the battery management system receives charger handshake message and vehicle handshake message, described in judgement
The charging handshake function of battery management system is normal；
Step S64 judges institute when the battery management system does not receive charger handshake message and vehicle handshake message
The charging handshake function for stating battery management system is abnormal.
Fig. 7 be another embodiment of the present invention provides battery pack charge function test method flow chart.As shown in fig. 7,
Further, which also uses second resistance, battery pack charge function test side
Method further include:
Step S71 controls the second resistance and connect with the temperature acquisition pin of the battery management system；
Step S72 detects the temperature sampling value of the battery management system；
Whether step S73 judges the temperature sampling value of the battery management system in the corresponding temperature of the second resistance
In range；
Step S74 judges the battery when the temperature sampling value is within the scope of temperature corresponding to the second resistance
The temperature detecting function of management system is normal；
Step S75 judges the electricity when the temperature sampling value is not within the scope of temperature corresponding to the second resistance
The temperature detecting function of pond management system is abnormal.
Fig. 8 be another embodiment of the present invention provides battery pack charge function test method flow chart.As shown in figure 8,
Further, which also uses high voltage connector, the battery pack charge function test
Method further include:
Step S81 controls the high voltage connector and connect with the flash of battery management system driving pin；
Step S82, Xiang Suoshu battery management system sends charging contactor close commands；
Whether step S83, the high-voltage end for detecting the high voltage connector are connected；
Step S84 judges the flash driving of the battery management system in the high-voltage end conducting of the high voltage connector
Function is normal；
Step S85 judges that the flash of the battery management system drives when the high-voltage end of the high voltage connector does not turn on
Dynamic dysfunction.
Above-mentioned battery pack charge function test method is similar with the embodiment of above-mentioned battery pack charge function test macro,
This is repeated no more.
Battery pack charge function test macro of the present invention, battery pack include battery management system, by test
The charging connection pin of position machine control first resistor and battery management system connects, and acquires the first electricity of connection of charging connection pin
Voltage before resistance and after connection first resistor, to carry out the two comparison, to whether just to judge battery pack charge port physical connection
Often.By the way that test host computer, test power supply and these simple equipment of first resistor and component is used only, so that it may to charge port
Physical connection is carried out simple and is accurately tested, and improves the production quality excellent rate of battery pack.
The foregoing is merely better embodiments of the invention, are not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of battery pack charge function test macro, the battery pack include battery management system, which is characterized in that the electricity
Pond packet charge function test macro includes:
Test host computer (2), test power supply (3) and first resistor (4), wherein
Test power supply (3) connect with the power pins of the battery management system (1)；
Test host computer (2) connect with the communication pin of the battery management system (1), is used for:
Detect the first voltage of the charging connection pin of the battery management system (1)；
Control that the first resistor (4) is connected to the charging connection pin of the battery management system (1) and the power supply bears it
Between；
After connecting the first resistor (4), the second electricity of the charging connection pin of the battery management system (1) is detected
Pressure；And
When the second voltage is less than or equal to the preset percentage of the first voltage, the battery pack charge port physics is judged
Connection is normal.
2. battery pack charge function test macro according to claim 1, which is characterized in that the test host computer (2)
It is also used to:
Test power supply (3) is controlled to connect with the charging of the battery management system (1) wake-up pin；
Detect the charging wake-up voltage of the battery management system (1)；
The charging wake-up voltage within a preset range when, judge that the battery management system (1) function of supplying power is normal.
3. battery pack charge function test macro according to claim 1, which is characterized in that the test host computer (2)
It is also used to:
Charger handshake message and vehicle handshake message are sent to the battery management system (1)；
Detect whether the battery management system (1) receives charger handshake message and vehicle handshake message；
When the battery management system (1) receives charger handshake message and vehicle handshake message, the battery management is judged
The charging handshake function of system (1) is normal.
4. battery pack charge function test macro according to claim 1, which is characterized in that the battery pack charge function is surveyed
Test system further includes second resistance (5), and the test host computer is also used to:
The second resistance (5) is controlled to connect with the temperature acquisition pin of the battery management system (1)；
Detect the temperature sampling value of the battery management system (1)；
When the temperature sampling value is within the scope of temperature corresponding to the second resistance (5), the battery management system is judged
(1) temperature detecting function is normal.
5. battery pack charge function test macro according to claim 1, which is characterized in that the battery pack charge function is surveyed
Test system further includes high voltage connector (6), and the test host computer (2) is also used to:
The high voltage connector (6) is controlled to connect with the flash of the battery management system (1) driving pin；
Charging contactor close commands are sent to the battery management system (1)；
Whether the high-voltage end for detecting the high voltage connector (6) is connected；
In the high-voltage end conducting of the high voltage connector (6), the flash driving function of the battery management system (1) is being judged just
Often.
6. a kind of battery pack charge function test method, the battery pack include battery management system, which is characterized in that the electricity
Pond packet charge function test method uses test power supply and first resistor, the battery pack charge function test method include:
The test power supply is controlled to connect with the power pins of the battery management system；
Detect the first voltage of the charging connection pin of the battery management system；
Control the first resistor be connected to the battery management system charging connection pin and the power supply it is negative between；
After connecting the first resistor, the second voltage of the charging connection pin of the battery management system is detected；And
When the second voltage is less than or equal to the preset percentage of the first voltage, the battery pack charge port physics is judged
Connection is normal.
7. battery pack charge function test method according to claim 6, which is characterized in that the battery pack charge function
Test method further include:
The test power supply is controlled to connect with the charging of battery management system wake-up pin；
Detect the charging wake-up voltage of the battery management system；
The charging wake-up voltage within a preset range when, judge that the battery management system function of supplying power is normal.
8. battery pack charge function test method according to claim 6, which is characterized in that the battery pack charge function
Test method further include:
Charger handshake message and vehicle handshake message are sent to the battery management system；
Detect whether the battery management system receives charger handshake message and vehicle handshake message；
When the battery management system receives charger handshake message and vehicle handshake message, the battery management system is judged
Charging handshake function it is normal.
9. battery pack charge function test method according to claim 6, which is characterized in that battery pack charging function
Energy test method also uses second resistance, the battery pack charge function test method further include:
The second resistance is controlled to connect with the temperature acquisition pin of the battery management system；
Detect the temperature sampling value of the battery management system；
When the temperature sampling value is within the scope of temperature corresponding to the second resistance, the temperature of the battery management system is judged
It is normal to spend detection function.
10. battery pack charge function test method according to claim 6, which is characterized in that the battery pack charging
Function test method also uses high voltage connector, the battery pack charge function test method further include:
The high voltage connector is controlled to connect with the flash of battery management system driving pin；
Charging contactor close commands are sent to the battery management system；
Whether the high-voltage end for detecting the high voltage connector is connected；
In the high-voltage end conducting of the high voltage connector, judge that the flash driving function of the battery management system is normal.
Priority Applications (1)
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