CN106926680A - For the lithium battery damping device of electric automobile - Google Patents
For the lithium battery damping device of electric automobile Download PDFInfo
- Publication number
- CN106926680A CN106926680A CN201710167910.2A CN201710167910A CN106926680A CN 106926680 A CN106926680 A CN 106926680A CN 201710167910 A CN201710167910 A CN 201710167910A CN 106926680 A CN106926680 A CN 106926680A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- stepper motor
- acceleration
- electric automobile
- acceleration transducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses the lithium battery damping device for electric automobile, including lithium battery box, the lithium battery, stepper motor and the acceleration transducer that is arranged on lithium battery that are arranged inside lithium battery box；The body of the stepper motor is arranged at lithium battery box, and the output end of stepper motor is connected to lithium battery；The acceleration direction that the direction of displacement of the stepper motor output is detected with acceleration transducer matches.The present invention, by setting acceleration transducer and stepper motor, realizes active vibration damping for the lithium battery damping device of electric automobile, will not occur, from shake, to improve the security of lithium battery.
Description
Technical field
The present invention relates to electric automobile lithium battery, and in particular to for the lithium battery damping device of electric automobile.
Background technology
With industrial development and the increase of social demand, automobile plays important angle in social progress and economic development
Color.Auto industry is developed rapidly, has promoted the development of the important industry such as machinery, the energy, rubber, steel, but increasingly also simultaneously
It is faced with the serious problems of environmental protection, energy shortage.In order to solve these problems, electric automobile obtain significant progress and
Very big technological progress, at the same electric automobile all achieved at aspects such as battery system, power drive system and full-vehicle controls it is very big
It is progressive.
On electric automobile, battery system is a part for key core, and battery is as power source, it is necessary to energy is close
Degree is high, output power density is high, operating temperature range is broad, have extended cycle life, memory-less effect, self-discharge rate are small.Current lithium
Battery because of its superior performance, in electric automobile field by large-scale use.Lithium battery possesses plurality of advantages, but also has fatal
Property shortcoming, be exactly poor stability test, in extreme circumstances easily occur spontaneous combustion and blast, so making compared to present automobile
Lead-acid battery, lithium battery is harsher to damping requirement.Damping to lithium battery in the prior art uses passive energy dissipation side
Formula, although this damping modes can play damping effect, after passive energy dissipation, damping device can occur high frequency from shaking, and hold
Lithium battery diaphragm damage is easily caused, is short-circuited.
The content of the invention
The technical problems to be solved by the invention are that the damping in the prior art to lithium battery uses passive energy dissipation mode, are led
Cause damping device that high frequency from shake occurs so that lithium battery diaphragm is damaged, and is short-circuited.Purpose is to provide for electric automobile
Lithium battery damping device, solves the above problems.
The present invention is achieved through the following technical solutions：
For the lithium battery damping device of electric automobile, including lithium battery box, be arranged inside lithium battery box lithium battery,
Stepper motor and the acceleration transducer being arranged on lithium battery；The body of the stepper motor is arranged at lithium battery box, and step
The output end of stepper motor is connected to lithium battery；The acceleration phase that the displacement of the stepper motor output is detected with acceleration transducer
Matching；
In the prior art, the damping to lithium battery uses passive energy dissipation mode, causes damping device that high frequency occurs from shaking, and makes
Obtain lithium battery diaphragm to damage, be short-circuited.When the present invention is applied, add when the acceleration transducer being arranged on lithium battery is detected
Speed, then stepper motor output displacement the acceleration is compensated, shaking of being subject to of lithium battery is reduced, while this active subtracts
Shake device, will not occur, from shake, to improve the security of lithium battery.
Further, the matching way is：Acceleration transducer is in tnThe acceleration that moment detects is an, acceleration
The monitoring cycle of sensor is t 'n, then the cycle of stepper motor output displacement is Δ t=t 'n/ 10, stepper motor a cycle Δ
T is exported and anDisplacement in opposite directionContinuously export 10 Δ t；Stepper motor is from t simultaneouslyn+
t′nMoment, a cycle Δ t outputs and anDirection identical displacementContinuously export 20 Δs
T, so circulation.
Further, the lithium battery box includes outer wall and is arranged at the Damping material layer of outer pars intramuralis；The stepping
The body of motor is arranged at Damping material layer.
When the present invention is applied, the outer pars intramuralis of lithium battery box sets Damping material layer, and the body of stepper motor is arranged at resistance
Damping material layer.When lithium battery box is given a shock, Damping material layer deformation reduces the vibrations, after vibrations terminate, Damping material layer
Occur from shaking, stepper motor is compensated to this from shake, further increases the security that lithium battery is used.
Further, present invention additionally comprises damping spring；Described damping spring one end is connected to lithium battery, and the other end connects
Connect Damping material layer.
When the present invention is applied, damping spring one end is connected to lithium battery, and other end connection Damping material layer works as lithium battery box
When being given a shock, damping spring deformation reduces the vibrations, and after vibrations terminate, damping spring occurs from shaking, stepper motor to this from
Shake is compensated, and further increases the security that lithium battery is used.
Further, the acceleration transducer is used to detect the acceleration in two and above direction；The stepper motor
Quantity for two and more than, and quantity and the acceleration transducer of stepper motor detect that the quantity in acceleration direction is consistent；Institute
Two that state that the displacement of two and the output of above stepper motor detects with acceleration transducer respectively and above acceleration are one by one
Match somebody with somebody；The matching way is：Acceleration transducer is in tnThe acceleration that moment detects is an, the monitoring week of acceleration transducer
Phase is t 'n, then the cycle of stepper motor output displacement is Δ t=t 'n/ 10, stepper motor a cycle Δ t are exported and anDirection
Opposite displacementContinuously export 10 Δ t；Stepper motor is from t simultaneouslyn+t′nMoment, one
Individual period Δ t outputs and anDirection identical displacementContinuously 20 Δ t of output, so circulate.
When the present invention is applied, acceleration transducer detects the acceleration in two and above direction, stepper motor to two and
The acceleration in above direction is compensated so that the vibrations in lithium battery multiple directions are obtained for reduction, improve lithium battery
The security for using.
Further, present invention additionally comprises：For the Acceleration Control detected according to acceleration transducer and the acceleration
The control module of the stepper motor motion that degree direction matches.
When the present invention is applied, acceleration transducer detection acceleration signal simultaneously send control module to, control module according to
The Acceleration Control stepper motor is compensated to the acceleration, realizes the Automated condtrol to lithium battery active vibration damping.
Further, present invention additionally comprises subdivision driver；The subdivision driver is arranged on stepper motor, and will step
The step angle of stepper motor is finely divided.
When the present invention is applied, be finely divided for the step angle of stepper motor by subdivision driver so that stepper motor is to accelerating
The compensation of degree is more accurate, improves the security that lithium battery is used.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention is used for the lithium battery damping device of electric automobile, by setting acceleration transducer and stepper motor,
Active vibration damping is realized, will not occur, from shake, to improve the security of lithium battery；
2nd, the present invention, by setting Damping material layer reduction vibrations, enters one for the lithium battery damping device of electric automobile
Step improves the security of lithium battery；
3rd, the present invention is shaken, further for the lithium battery damping device of electric automobile by setting damping spring reduction
Improve the security of lithium battery；
4th, the lithium battery damping device for electric automobile of the invention, acceleration transducer detection two and above direction
Acceleration, stepper motor is compensated to the acceleration of two and above direction so that the vibrations in lithium battery multiple directions are all
Reduced, improve the security that lithium battery is used；
5th, the present invention, by setting control module, is realized to lithium battery for the lithium battery damping device of electric automobile
The Automated condtrol of active vibration damping；
6th, the present invention is used for the lithium battery damping device of electric automobile, and subdivision driver carries out the step angle of stepper motor
Subdivision so that compensation of the stepper motor to acceleration is more accurate, improves the security that lithium battery is used.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is present system schematic diagram.
Mark and corresponding parts title in accompanying drawing：
1- lithium battery boxes, 2- lithium batteries, 3- damping springs, 4- stepper motors, 5- acceleration transducers, 11- damping materials
Layer, 12- outer walls.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
It is limitation of the invention.
Embodiment 1
As shown in figure 1, the present invention for electric automobile lithium battery damping device, including lithium battery box 1, be arranged at lithium electricity
Lithium battery 2, stepper motor 4 inside pond case 1 and the acceleration transducer 5 being arranged on lithium battery 2；The stepper motor 4
Body is arranged at lithium battery box 1, and the output end of stepper motor 4 is connected to lithium battery 2；The displacement of the output of the stepper motor 4
The acceleration detected with acceleration transducer 5 matches；The matching way is：Acceleration transducer 5 is in tnMoment detects
Acceleration be an, the monitoring cycle of acceleration transducer 5 is t 'n, then the cycle of the output displacement of stepper motor 4 is Δ t=t 'n/
10, a cycle Δ t of stepper motor 4 are exported and anDisplacement in opposite directionContinuous output
10 Δ t；Stepper motor 4 is from t simultaneouslyn+t′nMoment, a cycle Δ t outputs and anDirection identical displacementContinuously 20 Δ t of output, so circulate.
When the present embodiment is implemented, acceleration transducer 5 is preferably the LC0101 acceleration transducers of LANCE companies, the biography
Sensor Low ESR is exported, and anti-interference, noise is small.When the acceleration transducer 5 being arranged on lithium battery 1 is detected in tnMoment
Acceleration is 5m/s2, the monitoring cycle of acceleration transducer 5 is 0.1s, then the cycle of the output displacement of stepper motor 4 is 0.1s,
The a cycle 0.1s of stepper motor 4 is exported and acceleration displacement in opposite directionDraw Sn=-
0.0025m, continuously exports 10 Δ t；Stepper motor 4 is from t simultaneouslyn+t′nMoment, a cycle Δ t outputs and anDirection
Identical displacementDraw S 'n=0.00125m, continuously 20 Δ t of output, so circulation, reduce lithium
What battery 1 was subject to shakes, while this active damping device, will not occur, from shake, to improve the security of lithium battery 1.
Embodiment 2
As shown in figure 1, the present embodiment is on the basis of embodiment 1, lithium battery box 1 includes outer wall 12 and is arranged at outer wall 12
Internal Damping material layer 11；The body of the stepper motor 4 is arranged at Damping material layer 11.
When the present embodiment is implemented, the inside of outer wall 12 of lithium battery box 1 sets Damping material layer 11, the body of stepper motor 4
It is arranged at Damping material layer 11.When lithium battery box 1 is given a shock, Damping material layer 11 deforms, and reduces the vibrations, and vibrations terminate
Afterwards, Damping material layer 11 occurs from shaking, and stepper motor 4 pairs should be compensated from shake, further increase the peace that lithium battery 2 is used
Quan Xing.
Embodiment 3
As shown in figure 1, the present embodiment is on the basis of embodiment 2, also including damping spring 3；The one end of the damping spring 3
It is connected to lithium battery 2, other end connection Damping material layer 11.
When the present embodiment is implemented, the one end of damping spring 3 is connected to lithium battery 2, and other end connection Damping material layer 11 works as lithium
When battery case 1 is given a shock, damping spring 3 deforms, and reduces the vibrations, and after vibrations terminate, damping spring 3 occurs from shake, stepping
4 pairs, motor should be compensated from shake, further increase the security that lithium battery 2 is used.
Embodiment 4
On the basis of embodiment 1, the acceleration transducer 5 is used to detect the acceleration on six direction the present embodiment
Degree；The quantity of the stepper motor 4 is six；The displacement of six stepper motors 4 output is examined with acceleration transducer 5 respectively
Six acceleration surveyed are matched one by one；The matching way is：Acceleration transducer 5 is in tnThe acceleration that moment detects is an,
The monitoring cycle of acceleration transducer 5 is t 'n, then the cycle of the output displacement of stepper motor 4 is Δ t=t 'n/ 10, stepper motor 4
A cycle Δ t is exported and anDisplacement in opposite directionContinuously export 10 Δ t；Stepping simultaneously
Motor 4 is from tn+t′nMoment, a cycle Δ t outputs and anDirection identical displacementContinuously
20 Δ t of output, so circulation.
When the present embodiment is implemented, acceleration transducer 5 is preferably the axle sensors of MPU-6500 six, the axles of MPU-6500 six sensing
Device detects 3-axis acceleration and three shaft angle acceleration, and six stepper motors 4 enter to 3-axis acceleration and three shaft angle acceleration respectively
Row compensation so that the vibrations in the multiple directions of lithium battery 2 are obtained for reduction, improve the security that lithium battery 2 is used.
Embodiment 5
The present embodiment also includes on the basis of embodiment 4：For the acceleration control detected according to acceleration transducer 5
The control module of the motion of stepper motor 4 that system matches with the acceleration direction.
When the present embodiment is implemented, control module is preferably THB6064AH driving chips, and the detection of acceleration transducer 5 accelerates
Degree signal simultaneously sends control module to, and control module is compensated according to 4 pairs of acceleration of the Acceleration Control stepper motor, real
The Automated condtrol to the active vibration damping of lithium battery 2 is showed.
Embodiment 6
The present embodiment on the basis of embodiment 1, also including subdivision driver；The subdivision driver is arranged at stepping electricity
On machine 4, and the step angle of stepper motor 4 is finely divided.
When the present embodiment is implemented, subdivision driver is preferably 2HB3525D subdivision drivers, and subdivision driver is electric by stepping
The step angle of machine 4 is finely divided so that compensation of the stepper motor 4 to acceleration is more accurate, improves the peace that lithium battery 2 is used
Quan Xing.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include
Within protection scope of the present invention.
Claims (7)
1. the lithium battery damping device of electric automobile is used for, including lithium battery box (1) and the lithium that is arranged inside lithium battery box (1)
Battery (2), it is characterised in that also including stepper motor (4) and the acceleration transducer (5) being arranged on lithium battery (2)；It is described
The body of stepper motor (4) is arranged at lithium battery box (1), and the output end of stepper motor (4) is connected to lithium battery (2)；It is described
The acceleration that the displacement of stepper motor (4) output is detected with acceleration transducer (5) matches.
2. the lithium battery damping device for electric automobile according to claim 1, it is characterised in that the matching way
For：Acceleration transducer (5) is in tnThe acceleration that moment detects is an, the monitoring cycle of acceleration transducer (5) is t 'n, then
The cycle of stepper motor (4) output displacement is Δ t=t 'n/ 10, stepper motor (4) a cycle Δ t are exported and anIn the opposite direction
DisplacementContinuously export 10 Δ t；Stepper motor (4) is from t simultaneouslyn+t′nMoment, one
Period Δ t is exported and anDirection identical displacementContinuously 20 Δ t of output, so circulate.
3. the lithium battery damping device for electric automobile according to claim 2, it is characterised in that the lithium battery box
(1) including outer wall (12) and the Damping material layer (11) being arranged inside outer wall (12)；The body of the stepper motor (4) is set
In Damping material layer (11).
4. the lithium battery damping device for electric automobile according to claim 3, it is characterised in that also including damping bullet
Spring (3)；Described damping spring (3) one end is connected to lithium battery (2), and the other end connects Damping material layer (11).
5. the lithium battery damping device for electric automobile according to claim 2, it is characterised in that the acceleration is passed
Sensor (5) is for detection two and the acceleration in above direction；The quantity of the stepper motor (4) be two and more than, and step
The quantity of stepper motor (4) is consistent with the quantity in acceleration transducer (5) detection acceleration direction；Described two and above stepping electricity
The displacement of machine (4) output is matched one by one with two of acceleration transducer (5) detection and above acceleration respectively, the match party
Formula is：Acceleration transducer (5) is in tnThe acceleration that moment detects is an, the monitoring cycle of acceleration transducer (5) is t 'n,
Then the cycle of stepper motor (4) output displacement is Δ t=t 'n/ 10, stepper motor (4) a cycle Δ t are exported and anDirection phase
Anti- displacementContinuously export 10 Δ t；Stepper motor (4) is from t simultaneouslyn+t′nMoment, one
Individual period Δ t outputs and anDirection identical displacementContinuously 20 Δ t of output, so circulate.
6. the lithium battery damping device for electric automobile according to claim 5, it is characterised in that also include：
For stepper motor (4) motion that the Acceleration Control detected according to acceleration transducer (5) matches with the acceleration
Control module.
7. the lithium battery damping device for electric automobile according to claim 2, it is characterised in that also driven including subdivision
Dynamic device；The subdivision driver is arranged on stepper motor (4), and the step angle of stepper motor (4) is finely divided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167910.2A CN106926680A (en) | 2017-03-21 | 2017-03-21 | For the lithium battery damping device of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167910.2A CN106926680A (en) | 2017-03-21 | 2017-03-21 | For the lithium battery damping device of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106926680A true CN106926680A (en) | 2017-07-07 |
Family
ID=59433544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710167910.2A Pending CN106926680A (en) | 2017-03-21 | 2017-03-21 | For the lithium battery damping device of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106926680A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302069A (en) * | 2017-07-12 | 2017-10-27 | 浙江谷神能源科技股份有限公司 | A kind of lithium battery Shatter-resistant device |
| CN107585013A (en) * | 2017-09-07 | 2018-01-16 | 芜湖皖江知识产权运营中心有限公司 | Batteries of electric automobile structure |
| CN108482091A (en) * | 2018-03-30 | 2018-09-04 | 吴彦均 | A kind of batteries of electric automobile group |
| CN108482089A (en) * | 2018-03-16 | 2018-09-04 | 山东德朗能电子有限公司 | A kind of electric automobile lithium battery group damping device |
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| CN205468500U (en) * | 2016-03-15 | 2016-08-17 | 天津市菲佳自行车工贸有限公司 | Multi -functional electric motor car with intelligent detection function |
| CN106159140A (en) * | 2016-07-04 | 2016-11-23 | 天津中科先进技术研究院有限公司 | Battery buffer that takes precautions against earthquakes for electric automobile |
| CN106515414A (en) * | 2016-11-17 | 2017-03-22 | 成都信息工程大学 | Protection device for electric automobile accumulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103042892A (en) * | 2012-12-17 | 2013-04-17 | 李良杰 | Automatically-adjusting vehicle shock absorber |
| CN203589157U (en) * | 2013-12-04 | 2014-05-07 | 国家电网公司 | Lithium battery pack for electric motorcycle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302069A (en) * | 2017-07-12 | 2017-10-27 | 浙江谷神能源科技股份有限公司 | A kind of lithium battery Shatter-resistant device |
| CN107585013A (en) * | 2017-09-07 | 2018-01-16 | 芜湖皖江知识产权运营中心有限公司 | Batteries of electric automobile structure |
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| CN108482089A (en) * | 2018-03-16 | 2018-09-04 | 山东德朗能电子有限公司 | A kind of electric automobile lithium battery group damping device |
| CN108482091A (en) * | 2018-03-30 | 2018-09-04 | 吴彦均 | A kind of batteries of electric automobile group |
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Effective date of registration: 20191015 Address after: 610031 No.84, floor 21, unit 1, building 3, No.9, Guanghua village street, Qingyang District, Chengdu City, Sichuan Province Applicant after: Sichuan shengnengtai Technology Co., Ltd. Address before: 610000 Sichuan city of Chengdu province Tianfu Tianfu Avenue South Huayang Street No. 846 Applicant before: Sichuan Li Kenli power Science and Technology Ltd. |
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Application publication date: 20170707 |