CN109000831A - Battery modules internal pressure measurement method and system - Google Patents
Battery modules internal pressure measurement method and system Download PDFInfo
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- CN109000831A CN109000831A CN201810393398.8A CN201810393398A CN109000831A CN 109000831 A CN109000831 A CN 109000831A CN 201810393398 A CN201810393398 A CN 201810393398A CN 109000831 A CN109000831 A CN 109000831A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
Abstract
The present invention proposes battery modules internal pressure measurement method and system.Wherein, the side of battery modules is against the locating end plate for compressing platform side, pressure sensor is fixed on one or more compression faces inside battery modules, wherein, one or more pressure sensors are fixed on each compression face, method includes: in battery modules compaction process, the resistance value that measurement obtains is sent to signal adapter by each pressure sensor in real time, so that: the resistance value received is converted into being used to indicate the pressure value of battery modules internal pressure by signal adapter, and pressure value is reported to client.The present invention realizes the measurement to battery modules internal pressure.
Description
Technical field
The present invention relates to battery modules technical field more particularly to battery modules internal pressure measurement methods and system.
Background technique
Battery modules are assembled into using method for soft package lithium ion power, these batteries one need to be pressed to and is sized, and
The pressure that battery is subject to need to be continuously maintained in a certain range, which is usually to be provided by the foam being tightly attached on battery.
Battery modules include multiple batteries, and by the output requirement of specific voltage, power, battery is connected, simultaneously by specific
Connection mode connects.Battery modules are usually pressed to certain size by loose condition (of surface) on dedicated device.Unlike material or
The foam of person's thickness, pressure retaining ability is also different, and is assemblied in the practical elastic force having of the foam in battery modules, i.e. Soft Roll
The pressure that lithium-ion-power cell is subject to can not also detect at present.
Summary of the invention
The present invention provides battery modules internal pressure measurement method and system, to realize the survey to battery modules internal pressure
Amount.
The technical scheme of the present invention is realized as follows:
A kind of battery modules internal pressure measurement method, wherein determine against compression platform side the side of battery modules
Position end plate is fixed with pressure sensor on one or more compression faces inside battery modules, wherein fixed on each compression face
There are one or more pressure sensors, this method comprises:
In battery modules compaction process, the resistance value that measurement obtains is sent to signal in real time and converted by each pressure sensor
Device, so that: the resistance value received is converted into being used to indicate the pressure value of battery modules internal pressure by signal adapter, and
Pressure value is reported to client.
The pressure sensor is diaphragm pressure sensor, and each diaphragm pressure sensor is completely covered by foam.
It is described in battery modules compaction process, the obtained resistance value of measurement is sent to signal by each pressure sensor in real time
Converter includes:
The programmable logic controller (PLC) PLC of battery modules pressing system sends first to walking electric cylinders and drives instruction, this refers to
Carrying first is enabled to drive speed, so that: walking electric cylinders drive the dynamic push plate of speed band to advance to battery modules direction using first,
And when the real-time displacement of the PLC push plate reported according to displacement sensor, when determining that push plate has reached precompressed position, to walking electric cylinders
Send the first halt instruction；
PLC sends second to walking electric cylinders and drives instruction, which carries second and drive speed, so that: walking electric cylinders
Drive speed that push plate is driven to advance to battery modules direction using second；And when the PLC push plate reported according to displacement sensor
Real-time displacement when determining that push plate has reached target position, sends the second halt instruction to walking electric cylinders, and issue the user with binding
Instruction, so that: after user receives the instruction, battery modules are tied；
Pressure sensor real-time measurement is used to indicate the resistance value of battery modules internal pressure, and resistance value is sent in real time
To signal adapter.
The PLC further comprises after issuing the user with binding instruction:
PLC confirms that user completes binding, sends third to walking electric cylinders and drives instruction, which carries third and drive speed
Degree, so that: walking electric cylinders drive speed that push plate is driven to return to initial position using third；And when PLC is according to displacement sensor
The real-time displacement of the push plate reported determines that push plate back to initial position, then sends third halt instruction to walking electric cylinders.
The PLC to walking electric cylinders send the second halt instruction after, issue the user with binding instruction the packet that takes a step forward
It includes:
PLC sends the 4th to walking electric cylinders and drives instruction, which carries the 4th and drive speed, so that: walking electric cylinders
Drive speed that push plate is driven to advance to battery modules direction using the 4th；And when the PLC push plate reported according to displacement sensor
Real-time displacement, when determining that push plate has reached compression position, to walking electric cylinders send the 4th halt instruction, be performed simultaneously it is described to
Family issues the movement of binding instruction.
A kind of battery modules internal pressure measuring system, wherein determine against compression platform side the side of battery modules
Position end plate, the system include:
One or more pressure sensors are fixed on one or more compression faces inside battery modules, and, in battery
In mould group compaction process, the resistance value that measurement obtains is sent to signal adapter in real time；
The resistance value that each pressure sensor is sent is converted into being used to indicate battery modules internal pressure by signal adapter
Pressure value, and pressure value is reported to client.
The pressure sensor is diaphragm pressure sensor, and each diaphragm pressure sensor is completely covered by foam.
The system further comprises: programmable logic controller (PLC) PLC, walking electric cylinders and push plate, in which:
PLC drives instruction for sending first to walking electric cylinders, which carries first and drive speed, and when according to position
The real-time displacement for the push plate that displacement sensor reports when determining that push plate has reached precompressed position, sends first to walking electric cylinders and stops
Instruction, and send second to walking electric cylinders and drive instruction, which carries second and drives speed, and when according on displacement sensor
The real-time displacement of the push plate of report, when determining that push plate has reached target position, to walking electric cylinders send the second halt instruction, and to
Family issues binding instruction；
Walking electric cylinders, first for being sent according to PLC drives instruction, drives speed band to move push plate to battery using first
Mould prescription marches forward, and when the first halt instruction for receiving PLC and sending, stops driving push plate；It is driven according to second that PLC is sent
Instruction drives speed that push plate is driven to advance to battery modules direction using second, refers to when receiving the second stopping that PLC is sent
It enables, stops driving push plate.
The PLC is further used for after issuing the user with binding instruction, and confirmation user completes binding, to walking electric cylinders hair
Third is sent to drive instruction, which carries third and drives speed, and works as the real-time displacement of the push plate reported according to displacement sensor,
Determine that push plate back to initial position, then sends third halt instruction to walking electric cylinders；
The walking electric cylinders are further used for, and drive instruction according to the third that PLC is sent, drive speed to drive using third
Push plate returns to initial position, when the third halt instruction for receiving PLC and sending, stops driving push plate.
The PLC to walking electric cylinders send the second halt instruction after, issue the user with binding instruction the use that takes a step forward
In, the 4th, which is sent, to walking electric cylinders drives instruction, which carries the 4th and drives speed, and, it is reported when according to displacement sensor
Push plate real-time displacement, when determining that push plate has reached compression position, to walking electric cylinders send the 4th halt instruction, be performed simultaneously
The movement for issuing the user with binding instruction；
The walking electric cylinders are further used for, and are driven and are instructed according to the 4th that PLC is sent, drive speed to drive using the 4th
Push plate is advanced to battery modules direction.
The present invention is by fixation pressure sensor on the compression face inside battery modules, in battery modules compaction process
The resistance value real-time report for being used to indicate pressure that pressure sensor obtains measurement, realizes to battery modules internal pressure
Measurement.
Detailed description of the invention
Only illustratively description and explain the present invention for the following drawings, not delimit the scope of the invention.
Fig. 1 is the structural schematic diagram of battery modules internal pressure measuring system provided in an embodiment of the present invention；
Fig. 2 is the battery modules internal pressure measuring method flow chart that one embodiment of the invention provides；
Fig. 3 be another embodiment of the present invention provides battery modules internal pressure measuring method flow chart.
Specific embodiment
In order to which the technical features, objects and effects of invention are more clearly understood, the Detailed description of the invention present invention is now compareed
Specific embodiment.
Inventor the analysis found that: the charge and discharge process of power battery can cause the variation of battery modules thickness, thus
Lead to the variation of battery modules internal pressure, and a part of pressure can be absorbed in the foam in battery modules, to avoid: due to
The variation of battery modules internal pressure is excessive to reduce the battery modules service life.And target size is pressed to by measuring battery modules
It in the process and is pressed to the pressure that foam after target size is subject to, i.e. the pressure that is subject to of battery modules, foam can be learnt to pressure
The absorbability of power.
Fig. 1 is the structural schematic diagram of battery modules internal pressure measuring system provided in an embodiment of the present invention, system master
It to include compressing platform 101, the first locating end plate 102, push plate 103, walking electric cylinders 104, the second locating end plate 105, displacement biography
Sensor 106, PLC (Programmable Logic Controller, programmable logic controller (PLC)) 107, pressure sensor 108,
The components such as signal adapter 109, client 110, battery modules 120, sensor connecting line 130.Wherein:
Platform 101 is compressed, is the work top of battery modules assembling.
First locating end plate 102 is fixed on the side for compressing platform 101, and plate face is vertical with the table top of platform 101 is compressed,
For fixing the side of battery modules 120.
Push plate 103, plate face is vertical with the table top of platform 101 is compressed, and is not fixed to and compresses on platform 101, can be expert at the leakage of electricity
Linear reciprocating motion is done on compressing platform 101 under the drive of the piston of cylinder 104.
Walking electric cylinders 104, for driving push plate 103 to do reciprocating linear on compressing platform 101 under the control of PLC 107
Movement.
Second locating end plate 105 is fixed on and compresses the side opposite with the first locating end plate 102 on platform 101, plate face with
The table top for compressing platform 101 is vertical, one end for fixed displacement sensor 106.
Displacement sensor 106, one end are mounted in push plate 103, and the other end is fixed on the second locating end plate 105, are used for
Measure the displacement of push plate 103.
PLC 107, for realizing and pressing battery modules 120 by being interacted with walking electric cylinders 104 and displacement sensor 106
The control of tight process.Specifically:
PLC 107 sends first to walking electric cylinders 104 and drives instruction, which carries first and drive speed, so that: row
It walks electric cylinders 104 and drives speed band to move push plate 103 to the advance of 120 direction of battery modules using first, and when PLC 107 is according to displacement
The real-time displacement for the push plate 103 that sensor 106 reports when determining that push plate 103 has reached precompressed position, is sent out to walking electric cylinders 104
Send the first halt instruction；
PLC 107 sends second to walking electric cylinders 104 and drives instruction, which carries second and drive speed, so that: row
It walks electric cylinders 104 and drives speed that push plate 103 is driven to advance to 120 direction of battery modules using second；And when PLC 107 is according to displacement
The real-time displacement for the push plate 103 that sensor 106 reports when determining that push plate 103 has reached target position, is sent out to walking electric cylinders 104
The second halt instruction is sent, and issues the user with binding instruction, so that: after user receives the instruction, battery modules 120 are tied up
Jail；
PLC 107 confirms that user completes binding, sends third to walking electric cylinders 104 and drives instruction, which carries third
Speed is driven, so that: walking electric cylinders 104 drive speed that push plate 103 is driven to return to initial position using third；And work as PLC107
According to the real-time displacement for the push plate 103 that displacement sensor 106 reports, push plate 103 is determined back to initial position, then to walking electricity
Cylinder 104 sends third halt instruction.
Further, after PLC 107 sends the second halt instruction to walking electric cylinders 104, binding instruction is issued the user with
Further comprise before:
PLC 107 sends the 4th to walking electric cylinders 104 and drives instruction, which carries the 4th and drive speed, so that: row
It walks electric cylinders 104 and drives speed that push plate 103 is driven to advance to 120 direction of battery modules using the 4th；And when PLC 107 is according to position
The real-time displacement for the push plate 103 that displacement sensor 106 reports, when determining that push plate 103 has reached compression position, to walking electric cylinders 104
The 4th halt instruction is sent, the movement for issuing the user with binding instruction is performed simultaneously.
Pressure sensor 108, the compression face for being fixed on inside battery modules 120 in advance, and covered completely with foam
Lid；The resistance value for being used to indicate pressure that measurement obtains is sent to signal adapter 109.
For a battery modules 120, the number of pressure sensor 108 can be multiple, multiple pressure sensing
Device 108 be fixed on the same compression face inside battery modules 120 or different compression face on, wherein it is solid on each compression face
Surely there are one or more pressure sensors 108.Pressure sensor 108 can use diaphragm pressure sensor.
As shown in Figure 1, first a part of power battery of battery modules 120 is abutted against on the first locating end plate 102, then
On the compression face of the partial power battery with double-sided adhesive etc. paste 5 diaphragm pressure sensors 108, then with foam by they
It is completely covered, then the remaining power battery of battery modules 120 is abutted against on foam.Wherein, each diaphragm pressure sensor 108
It is connected on signal adapter 109 by a sensor connecting line 130 respectively.
Signal adapter 109, the resistance value for sending pressure sensor 108 are sent to client after being converted to pressure value
End 110.
Client 110, the pressure value sent for receiving and saving signal adapter 109.
Fig. 2 is the battery modules internal pressure measuring method flow chart that one embodiment of the invention provides, and key step is such as
Under:
Step 201: battery modules 120 being placed on and are compressed on platform 101, wherein the side of battery modules 120 is against compression
First locating end plate 102 of platform 101.
Step 202: the fixation pressure sensor 108 on one or more compression faces inside battery modules 120, wherein
One or more pressure sensors 108 are fixed on each compression face.
Step 203: in 120 compaction process of battery modules, the resistance value that each pressure sensor 108 obtains measurement is real-time
It is sent to signal adapter 109.
Step 204: the resistance value received is converted into being used to indicate pressing inside battery modules 120 by signal adapter 109
The pressure value of power, and pressure value is reported to client 110.
Fig. 3 be another embodiment of the present invention provides battery modules internal pressure measuring method flow chart, key step
It is as follows:
Step 301: battery modules 120 being placed on and are compressed on platform 101, wherein the side of battery modules 120 is against compression
First locating end plate 102 of platform 101.
Step 302: diaphragm pressure sensor 108 is fixed on one or more compression faces inside battery modules 120,
In, one or more diaphragm pressure sensors 108 are fixed on each compression face.
Step 303: setting compaction process parameter on PLC 107 in advance, comprising:
1) initial position X0, precompressed position X1, target position X2；
Initial position X0Usually indicated with 0；Precompressed position X1With target position X2With with initial position X0Relative distance table
Show, i.e. X2>X1, X1And X2Specific value can be according to the target size of battery modules 120 and the position of the first locating end plate 102
Set determination；
Target position X2When i.e. battery modules 120 reach target size, the position locating on compressing platform 101 of push plate 13
It sets；
Precompressed position X1When starting to carry out compressing processing to battery modules 120, the institute on compressing platform 101 of push plate 103
The position at place.
2) from initial position X0To precompressed position X1Drive speed V1, from precompressed position X1To target position X2Drive speed
Spend V2, from target position X2Back to initial position X0Drive speed V3；
Wherein, V3≥V1>V2.It is handled due to carry out compression to battery modules since precompressed position, in order to
Avoid battery modules pressure fluctuating in inner excessive, speed will slow down, V1、V2And V3Specific value can according to test or warp
Test determination.
3) precompressed position X1Pressure keep duration T1, target position X2Pressure keep duration T2, T1And T2It can be according to survey
Examination is empirically determined.
Step 304:PLC 107 sends first to walking electric cylinders 104 and drives instruction, which, which carries, drives speed: V1With
And drive direction: being directed toward the direction of battery modules 120 from push plate 103, walking electric cylinders 104 receive the instruction, using speed V1
Push plate 103 is driven to advance to 120 direction of battery modules.
Step 305:PLC 107 receives the real-time displacement for the push plate 103 that displacement sensor 106 reports, and according to the displacement
Judge whether push plate 103 has reached precompressed position X1, if so, sending halt instruction to walking electric cylinders 104, and start timing.
Step 306: reaching T in timing duration1When, PLC 107 sends second to walking electric cylinders 104 and drives instruction, this refers to
It enables carrying and drives speed: V2And drive direction: being directed toward the direction of battery modules 120 from push plate 103, walking electric cylinders 104 receive
To the instruction, using speed V2Push plate 103 is driven to advance to the direction of battery modules 120.
The real-time displacement for the push plate 103 that step 307:PLC 107 is reported according to displacement sensor 106 judges that push plate 103 is
It is no to have reached target position X2, if so, sending halt instruction to walking electric cylinders 104, issue the user with binding and indicate and start to count
When.
After user receives binding instruction, battery modules 120 are tied, such as: screw rod is worn from the one side of battery modules
To another side, nut check is then used；Alternatively, the two sides of battery modules are closely surrounded to using bandage, then using weldering
Bonding tool welds bandage.
Step 308: reaching T in timing duration2When, PLC 107 sends third to walking electric cylinders 104 and drives instruction, this refers to
It enables carrying and drives speed: V3And drive direction: being directed toward initial position X from push plate 1030Direction, walking electric cylinders 104 receive
The instruction, using speed V3Push plate 103 is driven to return.
The real-time displacement for the push plate 103 that step 309:PLC 107 is reported according to displacement sensor 106 judges that push plate 103 is
It is no to return to initial position X0, if so, sending halt instruction to walking electric cylinders 104.
Step 310: in the entire compaction process of battery modules 120, each diaphragm pressure sensor 108 obtains measurement
Resistance value is sent to signal adapter 109 in real time.
Diaphragm pressure sensor 108 is a kind of varistor, and resistance value is with the change in pressure being subject to.
Step 311: the resistance value received is converted into being used to indicate pressing inside battery modules 120 by signal adapter 109
The pressure value of power, and pressure value is reported to client 110.
Step 312: client 110 saves the corresponding relationship of the pressure value and receiving time that receive.
In practical applications, when battery modules fixed using bandage, can also previously according to the target size of battery modules,
Bandage corresponding perimeter under the target size of battery modules is determined, bandage is welded using the perimeter.At this point, in order to
Easily the bandage welded exactly matched with the target size of battery modules is surrounded in battery modules, it should push away
Plate 103 reaches target position X2Afterwards, then by push plate 103 a distance is pushed forward, therefore, in addition to the step in above-described embodiment
Outside, it also needs to increase following processing:
In step 303, it need to also increase the following compaction process parameter of setting on PLC 107:
5) compression position X3, X3Specific value can according to test determine；
6) from target position X2To compression position X3Drive speed V4, from compression position X3Back to initial position X0Band
Dynamic speed V5, V5≥V1>V2>V4, V4And V5Specific value can according to test or it is empirically determined；
Meanwhile in step 307, reach target position X in push plate 1032, PLC 107 is sent to walking electric cylinders 104 to be stopped referring to
When enabling, binding instruction is not issued the user with first, only starts timing, and step 308-309 replaces with following steps:
Step 3081: reaching T in timing duration2When, PLC 107 sends the 4th to walking electric cylinders 104 and drives instruction, this refers to
It enables carrying and drives speed: V4And drive direction: being directed toward the direction of battery modules 120 from push plate 13, walking electric cylinders 104 receive
The instruction, using speed V4Push plate 103 is driven to continue to advance to the direction of battery modules 120；
The real-time displacement for the push plate 103 that step 3091:PLC 107 is reported according to displacement sensor 106, judges push plate 103
Whether compression position X has been reached3, if so, sending halt instruction to walking electric cylinders 104, while binding instruction is issued the user with,
After user receives the instruction, the bandage welded is directly sleeved on around battery modules 120, after having covered, is tied up to the transmission of PLC 107
Determine completion notice, after PLC 107 receives the notice, sends the 5th to walking electric cylinders 104 and drive instruction, which, which carries, drives speed
Degree: V5And drive direction: being directed toward initial position X from push plate 1030Direction, walking electric cylinders 104 receive the instruction, using speed
Spend V5Push plate 103 is driven to return.
The real-time displacement for the push plate 103 that step 3092:PLC 107 is reported according to displacement sensor 106, judges push plate 103
Whether initial position X is returned to0, if so, sending halt instruction to walking electric cylinders 104.
Advantageous effects of the invention are as follows:
The present invention can obtain the pressure in entire compaction process inside battery modules with real-time measurement.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope that is bright, and being not intended to limit the invention, it is all without departing from equivalent embodiments made by technical spirit of the present invention or
Change, such as the combination, segmentation or repetition of feature, should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of battery modules internal pressure measurement method, wherein the side of battery modules is against the positioning for compressing platform side
End plate, which is characterized in that be fixed with pressure sensor on one or more compression faces inside battery modules, wherein Mei Geshou
One or more pressure sensors are fixed on pressure surface, this method comprises:
In battery modules compaction process, the resistance value that measurement obtains is sent to signal adapter by each pressure sensor in real time,
So that: the resistance value received is converted into being used to indicate the pressure value of battery modules internal pressure by signal adapter, and will
Pressure value is reported to client.
2. the method according to claim 1, wherein the pressure sensor is diaphragm pressure sensor, and every
A diaphragm pressure sensor is completely covered by foam.
3. the method according to claim 1, wherein described in battery modules compaction process, each pressure sensing
The resistance value that measurement obtains is sent to signal adapter by device in real time
The programmable logic controller (PLC) PLC of battery modules pressing system sends first to walking electric cylinders and drives instruction, which takes
Band first drives speed, so that: walking electric cylinders drive the dynamic push plate of speed band to advance to battery modules direction using first, and work as
The real-time displacement for the push plate that PLC is reported according to displacement sensor when determining that push plate has reached precompressed position, is sent to walking electric cylinders
First halt instruction；
PLC sends second to walking electric cylinders and drives instruction, which carries second and drive speed, so that: walking electric cylinders use
Second drives speed that push plate is driven to advance to battery modules direction；And it is real-time when the PLC push plate reported according to displacement sensor
Displacement when determining that push plate has reached target position, sends the second halt instruction to walking electric cylinders, and issue the user with binding and refer to
Show, so that: after user receives the instruction, battery modules are tied；
Pressure sensor real-time measurement is used to indicate the resistance value of battery modules internal pressure, and resistance value is sent to letter in real time
Number converter.
4. according to the method described in claim 3, it is characterized in that, the PLC issue the user with binding instruction after it is further
Include:
PLC confirms that user completes binding, sends third to walking electric cylinders and drives instruction, which carries third and drive speed, with
So that: walking electric cylinders drive speed that push plate is driven to return to initial position using third；And reported as PLC according to displacement sensor
The real-time displacement of push plate determines that push plate back to initial position, then sends third halt instruction to walking electric cylinders.
5. according to the method described in claim 3, it is characterized in that, the PLC to walking electric cylinders send the second halt instruction it
Afterwards, further comprise before issuing the user with binding instruction:
PLC sends the 4th to walking electric cylinders and drives instruction, which carries the 4th and drive speed, so that: walking electric cylinders use
4th drives speed that push plate is driven to advance to battery modules direction；And it is real-time when the PLC push plate reported according to displacement sensor
Displacement when determining that push plate has reached compression position, sends the 4th halt instruction to walking electric cylinders, is performed simultaneously described to user's hair
The movement of instruction is bound out.
6. a kind of battery modules internal pressure measuring system, wherein the side of battery modules is against the positioning for compressing platform side
End plate, which is characterized in that the system includes:
One or more pressure sensors are fixed on one or more compression faces inside battery modules, and, in battery modules
In compaction process, the resistance value that measurement obtains is sent to signal adapter in real time；
The resistance value that each pressure sensor is sent is converted into being used to indicate the pressure of battery modules internal pressure by signal adapter
Value, and pressure value is reported to client.
7. system according to claim 6, which is characterized in that the pressure sensor is diaphragm pressure sensor, and every
A diaphragm pressure sensor is completely covered by foam.
8. system according to claim 6, which is characterized in that the system further comprises: programmable logic controller (PLC)
PLC, walking electric cylinders and push plate, in which:
PLC drives instruction for sending first to walking electric cylinders, which carries first and drive speed, and passes when according to displacement
The real-time displacement for the push plate that sensor reports when determining that push plate has reached precompressed position, sends the first halt instruction to walking electric cylinders,
And send second to walking electric cylinders and drive instruction, which carries second and drives speed, and when being reported according to displacement sensor
The real-time displacement of push plate when determining that push plate has reached target position, sends the second halt instruction to walking electric cylinders, and send out to user
Binding instruction out；
Walking electric cylinders, first for being sent according to PLC drives instruction, drives speed band to move push plate to battery modules using first
Direction is advanced, and when the first halt instruction for receiving PLC and sending, stops driving push plate；It is driven and is referred to according to second that PLC is sent
It enables, drives speed that push plate is driven to advance to battery modules direction using second, when the second halt instruction for receiving PLC and sending,
Stop driving push plate.
9. system according to claim 8, which is characterized in that the PLC issues the user with further after binding indicates
For confirmation user to complete binding, sends third to walking electric cylinders and drives instruction, which carries third and drive speed, and works as
According to the real-time displacement for the push plate that displacement sensor reports, determine that push plate back to initial position, then sends the to walking electric cylinders
Three halt instructions；
The walking electric cylinders are further used for, and drive instruction according to the third that PLC is sent, drive speed to drive push plate using third
Initial position is returned, when the third halt instruction for receiving PLC and sending, stops driving push plate.
10. system according to claim 8, which is characterized in that the PLC to walking electric cylinders send the second halt instruction it
Afterwards, it is further used for before issuing the user with binding instruction, sends the 4th to walking electric cylinders and drive instruction, which carries the 4th
Speed is driven, and, when the real-time displacement of the push plate reported according to displacement sensor, when determining that push plate has reached compression position, to
Electric cylinders of walking send the 4th halt instruction, are performed simultaneously the movement for issuing the user with binding instruction；
The walking electric cylinders are further used for, and are driven and are instructed according to the 4th that PLC is sent, drive speed to drive push plate using the 4th
Advance to battery modules direction.
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| CN201810393398.8A CN109000831A (en) | 2018-04-27 | 2018-04-27 | Battery modules internal pressure measurement method and system |
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| CN201810393398.8A CN109000831A (en) | 2018-04-27 | 2018-04-27 | Battery modules internal pressure measurement method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110376532A (en) * | 2019-06-26 | 2019-10-25 | 清华大学 | The battery data measurement method of cell device under impaction state |
| CN112345126A (en) * | 2020-12-28 | 2021-02-09 | 中汽研（天津）汽车工程研究院有限公司 | Pressure testing system and method applied to power battery |
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Application publication date: 20181214 |