CN109969036A - The method and sensor changed for real-time monitoring power battery box relative position - Google Patents
The method and sensor changed for real-time monitoring power battery box relative position Download PDFInfo
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- CN109969036A CN109969036A CN201910184393.9A CN201910184393A CN109969036A CN 109969036 A CN109969036 A CN 109969036A CN 201910184393 A CN201910184393 A CN 201910184393A CN 109969036 A CN109969036 A CN 109969036A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 11
- 210000000056 organ Anatomy 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses the methods changed for real-time monitoring power battery box relative position, are correspondingly arranged two mutual inductance devices on vehicle body and power battery box respectively；Input signal is inputted on a mutual inductance device wherein, after the mutual inductance signal of another mutual inductance device is stablized, the initial mutual inductance signal after stablizing is acquired, is denoted as I0；The real-time mutual inductance signal for acquiring another mutual inductance device in real time is denoted as I1；By I0And I1It is compared, works as I1When reaching preset threshold value with I0 variable quantity, then judging result is exported, it is whether in a safe condition for assessing power battery box.The present invention also provides the sensor changed for real-time monitoring power battery box relative position, the present invention carries out real-time monitoring to the relative positional relationship of power battery box and vehicle body installation portion position, for assisting judge whether power battery box is in a safe condition at present.
Description
Technical field
The present invention relates to new-energy automobile fields, and in particular to changes for real-time monitoring power battery box relative position
Method and sensor.
Background technique
Lithium ion battery has many advantages, such as high working voltage, high-energy-density, long circulation life, non-environmental-pollution, not only exists
Be used widely on mobile communication apparatus and portable electronic device, and be widely used in electric car, it is electronic from
It is the Main way of major battery producer development at present in terms of the large and medium-sized electrical equipment such as driving and electric tool.Currently, with
The increasingly reduction of traditional fossil energy, and it is tighter as threat day of the climatic issues of main feature to the mankind using global warming
Weight, energy saving and environmental protection electric car become the splendid selection of traffic and transport field.But the most critical component of electric car it
First is that power battery pack, internal is typically all to pass through string by multiple (tens, several hundred or even thousands of) lithium-ion battery monomers
Connection and/or the form of parallel connection composition, therefore, the voltage of power battery pack is generally higher, reaches several hectovolts, this voltage substantially exceeds
The safe voltage of human body.Meanwhile lithium ion battery is also chemically unstable product, under extraneous certain incentive condition, is easy
The accidents such as on fire and explosion occur.Therefore, how to ensure that the safety of power battery is one of the main problem for needing to solve.
In the design of new-energy automobile, as carrying lithium ion battery power battery box when being installed on vehicle body,
Since using being rigidly connected, the relative position with vehicle body installation portion position is fixed and invariable after the installation is completed.But because by external force
Extruding, collision or itself solid failure, it will occur and the apparent motion on vehicle vehicle body relative position.Power battery box this
When majority of case be stress deformation, mounting structure fails or falls off.Such failure or accident, power battery occurs
Case gently then damages, it is heavy then leak electricity, it is on fire and explosion, so as to cause the injury accident of occupant and periphery holdee.
Therefore, to the carry out real-time monitoring of power battery box and the relative positional relationship of vehicle body installation portion position, one kind is provided
Directly reliable clear decision condition has positive and realistic meaning in the foundation of vehicle high-voltage safety.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides the sides changed for real-time monitoring power battery box relative position
Method and sensor carry out real-time monitoring to the relative positional relationship of power battery box and vehicle body installation portion position, for assisting judgement
Whether power battery box is in a safe condition at present.
To achieve the above object, The technical solution adopted by the invention is as follows:
The method changed for real-time monitoring power battery box relative position:
Two mutual inductance devices are correspondingly arranged on vehicle body and power battery box respectively；
Input signal is inputted on a mutual inductance device wherein, after the mutual inductance signal of another mutual inductance device is stablized, acquisition
Initial mutual inductance signal after stabilization, is denoted as I0；
The real-time mutual inductance signal for acquiring another mutual inductance device in real time is denoted as I1；
By I0And I1It is compared, works as I1When reaching preset threshold value with I0 variable quantity, then judging result is exported, for commenting
Whether in a safe condition estimate power battery box；Wherein, two mutual inductance devices mutual inductance signal when relative position changes can occur
Change.
Based on foregoing teachings, the present invention also provides the sensings changed for real-time monitoring power battery box relative position
Device, including signal transmitting terminal and signal receiving end；The signal transmitting terminal and signal output end it is corresponding setting and in opposite position
The output signal of the signal output end changes when setting change.
It further, further include connecting tube, the connecting tube is along axial scalable certain proportion and both ends are along vertical axial
Section any direction on can deviate a certain amount of, the signal transmitting terminal and signal receiving end are arranged at connecting tube both ends.
Further, the signal transmitting terminal includes first end plate and transmitting coil；The first end plate is provided with two
A first cable-through hole, the transmitting coil has the first pin and second pin and first pin and second pin are distinguished
Two the first cable-through holes are inserted through, the transmitting coil is close to and is fixed in first end plate, and the first end plate passes through
The face for being close to transmitting coil connects with tube end is connect.
Further, the signal receiving end includes the second end plate and receiving coil；Second end plate is provided with two
A second cable-through hole, the receiving coil has third pin and the 4th pin and the third pin and the 4th pin are distinguished
Two the second cable-through holes are inserted through, the receiving coil is close to and is fixed on the second end plate, and second end plate passes through
The face for being close to receiving coil connects with the end of the connecting tube other end.
Further, the central axis of the transmitting coil and receiving coil is on same straight line.
Further, the cavity of a sealing is formed between the connecting tube and first end plate and the second end plate.
Further, the transmitting coil and receiving coil be placed in first end plate, connecting tube and second end board group at
In cavity.
Further, the connecting tube both ends be provided with flange face and by the flange face at both ends respectively with first end
Plate and the second end plate connect.
Preferably, the connecting tube is organ pipe.
Compared with prior art, the invention has the following advantages:
The present invention is correspondingly arranged two mutual inductance devices, and acquires real-time mutual inductance signal in real time, and more initial mutual inductance signal
With real-time mutual inductance signal, whether reach threshold value further according to variable quantity, exports judging result, and then assess whether power battery box is located
In safe condition.The present invention carries out real-time monitoring to the relative positional relationship of power battery box and vehicle body installation portion position, has prison
Survey power battery box and vehicle body relative position on three-dimensional space whether changed function, to assist BMS to judge power electric
Whether the installation condition of pond case meets the requirement of trouble free service, substantially increases the safety in utilization of power battery box.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the Structure explosion diagram of the embodiment of the present invention.
Fig. 3 is the first end plate structural schematic diagram of the embodiment of the present invention.
Fig. 4 is the transmitting coil structural schematic diagram of the embodiment of the present invention.
Fig. 5 is the organ pipe structural schematic diagram of the embodiment of the present invention.
Wherein, the corresponding title of appended drawing reference are as follows:
1- signal transmitting terminal, 2- signal receiving end, 3- organ pipe, 4- first end plate, 5- transmitting coil, 6- first cross line
Hole, the first pin of 7-, 8- second pin, 9- flange face, the second end plate of 10-, 11- receiving coil, 12- mounting hole.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application apparent, with reference to the accompanying drawings and examples to the present invention
It is described further, embodiments of the present invention include but is not limited to the following example.
Embodiment
As shown in Figures 1 to 5, the method changed for real-time monitoring power battery box relative position is present embodiments provided
And sensor, it should be noted that the serial numbers term such as " first ", " second ", " third " in the present embodiment is only used for distinguishing same
Base part cannot be understood as the specific restriction to protection scope.In addition, " bottom ", " top " in the present embodiment, " side edge "
Etc. positional terms be illustrated based on the drawings.
This is used for the method that real-time monitoring power battery box relative position changes:
Two mutual inductance devices are correspondingly arranged on vehicle body and power battery box respectively；
Input signal is inputted on a mutual inductance device wherein, after the mutual inductance signal of another mutual inductance device is stablized, acquisition
Initial mutual inductance signal after stabilization, is denoted as I0；
The real-time mutual inductance signal for acquiring another mutual inductance device in real time is denoted as I1；
By I0And I1It is compared, works as I1When reaching preset threshold value with I0 variable quantity, then judging result is exported, for commenting
Whether in a safe condition estimate power battery box；Wherein, two mutual inductance devices mutual inductance signal when relative position changes can occur
Change.
Based on foregoing teachings, the present embodiment is additionally provided using this method for real-time monitoring power battery box with respect to position
Set the sensor of change, including signal transmitting terminal 1, signal receiving end 2 and connecting tube 3, signal transmitting terminal 1 and signal output end 2
It is corresponding setting and relative position change when signal output end 2 output signal change, specifically, signal transmitting
At 3 both ends of connecting tube, there is the selection of connecting tube 3 material of flexible nature to be made for end 1 and the setting of signal receiving end 2, can be along axis
To extending or shorten certain proportion, can also along the section any direction of vertical axial two end faces it is opposite deviate it is a certain amount of,
Or two kinds of movements while occurring, connecting tube 3 is using organ pipe made of rubber material in the present embodiment.
Wherein, signal transmitting terminal 1 includes first end plate 4 and transmitting coil 5；There are two the first mistake lines for the setting of first end plate 4
Hole 6, transmitting coil 5 has the first pin 7 and second pin 8 and the first pin 7 and second pin 8 are inserted through two respectively
A first cable-through hole 6, transmitting coil 5 are close to and are fixed in first end plate 4, the direction of hold-in winding upward, 7 He of the first pin
The form directed downwardly of second pin 8, first end plate 4 are connected by being close to the face of transmitting coil 5 with organ tube end, and the two passes through glue
The modes such as viscous or heat smelting crimp connection connect.Signal receiving end 2 includes the second end plate 10 and receiving coil 11, from cost and actual use
Effect considers that the structure of the second end plate 10 and receiving coil 11 is identical as first end plate 4 and transmitting coil 5 respectively, and two ends
Plate 10 and receiving coil 11 are in respectively mirror settings with first end plate 4 and transmitting coil 5；There are two second for the setting of second end plate 10
Cable-through hole, receiving coil 11 has third pin and the 4th pin and third pin and the 4th pin are inserted through two respectively
A second cable-through hole, receiving coil 11 are close to and are fixed on the second end plate 10, the direction of hold-in winding upward, receiving coil 11
Third pin and the 4th pin downward, the second end plate 10 by be close to receiving coil 11 face connect with organ tube end, two
Person is connected by modes such as gluing or heat smelting crimp connections.Receiving coil 11 and the central axis of transmitting coil 5 are on spatial position
On same straight line, respective pin direction can be not limited in this example according to actual demands of engineering outgoing line position flexible arrangement
Position.Transmitting coil 5 and receiving coil 11 are placed in the cavity of first end plate 4, organ pipe and the second end plate 10 composition, and first
End plate 4, organ pipe and the second end plate 10 form enclosure space, prevent dust, sewage, oil and other pollutants from bringing to coil dry
It disturbs, to guarantee the precision of signal acquisition, and the two is staggered relatively in the opposite mode of coil.Organ pipe both ends are provided with flange
Face 9 is simultaneously connected with first end plate 4 and the second end plate 10 by the flange face 9 at both ends respectively.To be easily installed, 4 He of first end plate
Second end plate 10 is provided with mounting hole 12.
When the present invention installs, first end plate and the second end plate are respectively installed to by power battery box and vehicle body by mounting hole
On reserved fixed point, to keep transmitting coil and receiving coil level opposite, organ pipe is elastic moderate；Then, signal is sent out
The first pin and second pin for the transmitting coil penetrated on end are electrically connected respectively to the signal generating circuit of BMS；Signal is connect
The third pin and the 4th pin of receiving coil in receiving end are electrically connected respectively to the signal acquisition circuit of BMS, that is, complete peace
Dress.
The working principle of the invention: after the installation is completed, circuit occurs for enabling signal, by the first pin and second pin to
Stable ac signal is inputted in signal transmitting terminal, and by the raw electric principle of faraday's magnetic, sense will be generated on signal receiving end
Electric current is answered, induced current is sent into signal acquisition circuit by third pin thereon and the 4th pin, since signal emits
End and signal receiving end are without relative motion, and therefore, the electric current of signal acquisition circuit output is a stable DC stream I0。
When between signal transmitting terminal and signal receiving end generate relative motion when, between transmitting coil and receiving coil away from
From and/or positive area etc. change, the energy that receiving coil receives is influenced, so that via on signal receiving end
The DC current values that third pin and the 4th pin are exported to the signal acquisition circuit of BMS occur to increase or reduce, and are denoted as I1。
BMS is by comparing I0And I1, judge whether variable quantity reaches preset threshold.Then in conjunction with other conditions (in battery case
The collected signal of sensors such as temperature, smog, acceleration and sensitive combustible gas), whether power battery box is at present
Safe condition carries out comprehensive descision.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit protection model of the invention
It encloses, as long as that in body design thought of the invention and mentally makes has no the change of essential meaning or polishing, is solved
The technical issues of it is still consistent with the present invention, should all be included within protection scope of the present invention.
Claims (10)
1. the method changed for real-time monitoring power battery box relative position, it is characterised in that:
Two mutual inductance devices are correspondingly arranged on vehicle body and power battery box respectively；
Input signal is inputted on a mutual inductance device wherein, after the mutual inductance signal of another mutual inductance device is stablized, acquisition is stablized
Initial mutual inductance signal afterwards, is denoted as I0；
The real-time mutual inductance signal for acquiring another mutual inductance device in real time is denoted as I1；
By I0And I1It is compared, works as I1When reaching preset threshold value with I0 variable quantity, then judging result is exported, it is dynamic for assessing
Whether power battery case is in a safe condition.
2. the sensor changed for real-time monitoring power battery box relative position, which is characterized in that including signal transmitting terminal and
Signal receiving end；The signal transmitting terminal and signal output end it is corresponding setting and relative position change when the signal it is defeated
The output signal of outlet changes.
3. the sensor according to claim 2 changed for real-time monitoring power battery box relative position, feature exist
In: further include connecting tube, the connecting tube along axial scalable certain proportion and both ends along vertical axial section any direction
On can deviate a certain amount of, the signal transmitting terminal and signal receiving end are arranged at connecting tube both ends.
4. the sensor according to claim 3 changed for real-time monitoring power battery box relative position, feature exist
In: the signal transmitting terminal includes first end plate and transmitting coil；There are two the first cable-through holes for the first end plate setting, described
Transmitting coil has the first pin and second pin and first pin and second pin are inserted through two first respectively
Cable-through hole, the transmitting coil are close to and are fixed in first end plate, the first end plate by be close to transmitting coil face with
Connection tube end connects.
5. the sensor according to claim 4 changed for real-time monitoring power battery box relative position, feature exist
In: the signal receiving end includes the second end plate and receiving coil；Second end plate is provided with two the second cable-through holes, described
Receiving coil has third pin and the 4th pin and the third pin and the 4th pin are inserted through two second respectively
Cable-through hole, the receiving coil are close to and are fixed on the second end plate, second end plate by be close to receiving coil face with
The end of the connecting tube other end connects.
6. the sensor according to claim 5 changed for real-time monitoring power battery box relative position, feature exist
In: the central axis of the transmitting coil and receiving coil is on same straight line.
7. the sensor according to claim 5 changed for real-time monitoring power battery box relative position, feature exist
In: the cavity of a sealing is formed between the connecting tube and first end plate and the second end plate.
8. the sensor according to claim 7 changed for real-time monitoring power battery box relative position, feature exist
In: the transmitting coil and receiving coil be placed in first end plate, connecting tube and second end board group at cavity in.
9. the sensor according to claim 5 changed for real-time monitoring power battery box relative position, feature exist
In: the connecting tube both ends are provided with flange face and are connected respectively with first end plate and the second end plate by the flange face at both ends.
10. according to the described in any item sensings changed for real-time monitoring power battery box relative position of claim 3~9
Device, it is characterised in that: the connecting tube is organ pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184393.9A CN109969036B (en) | 2019-03-12 | 2019-03-12 | Method for monitoring relative position change of power battery box in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184393.9A CN109969036B (en) | 2019-03-12 | 2019-03-12 | Method for monitoring relative position change of power battery box in real time |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109969036A true CN109969036A (en) | 2019-07-05 |
| CN109969036B CN109969036B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910184393.9A Active CN109969036B (en) | 2019-03-12 | 2019-03-12 | Method for monitoring relative position change of power battery box in real time |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913629A (en) * | 2019-12-08 | 2020-03-24 | 陕西联智网络科技有限公司 | Industrial electrical appliance protection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090229898A1 (en) * | 2008-01-31 | 2009-09-17 | Hitachi, Ltd. | Controller for Electric Storage Device and Vehicle with Controller for Electric Storage Device |
| CN102009584A (en) * | 2010-10-19 | 2011-04-13 | 上海汽车集团股份有限公司 | Method for determining positional information of pure electric motor coach battery pack |
| CN207690941U (en) * | 2017-11-08 | 2018-08-03 | 北京长城华冠汽车科技股份有限公司 | A kind of experiment power battery pre-warning system for monitoring |
| CN209888690U (en) * | 2019-03-12 | 2020-01-03 | 浙江新吉奥汽车有限公司 | Sensor for monitoring relative position change of power battery box in real time |
| US20200371160A1 (en) * | 2017-04-21 | 2020-11-26 | Cps Technology Holdings Llc | Battery electromechanical switching device diagnostics system and methods |
-
2019
- 2019-03-12 CN CN201910184393.9A patent/CN109969036B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090229898A1 (en) * | 2008-01-31 | 2009-09-17 | Hitachi, Ltd. | Controller for Electric Storage Device and Vehicle with Controller for Electric Storage Device |
| CN102009584A (en) * | 2010-10-19 | 2011-04-13 | 上海汽车集团股份有限公司 | Method for determining positional information of pure electric motor coach battery pack |
| US20200371160A1 (en) * | 2017-04-21 | 2020-11-26 | Cps Technology Holdings Llc | Battery electromechanical switching device diagnostics system and methods |
| CN207690941U (en) * | 2017-11-08 | 2018-08-03 | 北京长城华冠汽车科技股份有限公司 | A kind of experiment power battery pre-warning system for monitoring |
| CN209888690U (en) * | 2019-03-12 | 2020-01-03 | 浙江新吉奥汽车有限公司 | Sensor for monitoring relative position change of power battery box in real time |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110913629A (en) * | 2019-12-08 | 2020-03-24 | 陕西联智网络科技有限公司 | Industrial electrical appliance protection device |
| CN110913629B (en) * | 2019-12-08 | 2020-12-22 | 福建立乐信息技术有限公司 | Industrial electrical appliance protection device |
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| Publication number | Publication date |
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| CN109969036B (en) | 2024-04-26 |
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