CN201966302U - Motive power battery, motive power battery pack, electromobile temperature control system and electromobile - Google Patents
Motive power battery, motive power battery pack, electromobile temperature control system and electromobile Download PDFInfo
- Publication number
- CN201966302U CN201966302U CN2010200002875U CN201020000287U CN201966302U CN 201966302 U CN201966302 U CN 201966302U CN 2010200002875 U CN2010200002875 U CN 2010200002875U CN 201020000287 U CN201020000287 U CN 201020000287U CN 201966302 U CN201966302 U CN 201966302U
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- Prior art keywords
- heat pipe
- power battery
- electric motor
- motor car
- flat
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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
Abstract
The utility model provides a motive power battery, a motive power battery pack, an electromobile temperature control system and an electromobile, wherein the motive power battery comprises a battery unit and one or more micro-heat pipe array flat heat pipe/pipes; the flat heat pipe/pipes is/are pasted on a single surface or double surfaces of the battery unit; and the heat energy accumulated in the motive power battery is conducted out of the motive power battery through the flat heat pipe and is dispersed in the environment outside a battery box through a way that an air flue is arranged in the battery box, so that the temperature in the motive power battery is reduced, and burning or explosion caused by accumulation of the heat energy can be avoided. Through a way that a valve and a refrigerating piece are arranged on the air flue, when the environment temperature exceeds the safety temperature range of the motive power battery, the temperature in the battery box is intelligently controlled under the sealing condition, and the influence on the motive power battery in the battery box due to the environment factor is avoided.
Description
Technical field
The present invention relates to a kind of high-efficiency heat-radiation dynamic cell, adopt the electric motor car cooling system and the electric motor car of this electrokinetic cell.
Background technology
The battery pack of electric motor car or hybrid-power electric vehicle normally by tens or up to a hundred battery units be in series, battery pack is as the main energy-storage travelling wave tube in the electric motor car, the ruuning situation of battery pack directly has influence on the integrality of electric motor car.If battery of electric vehicle group leader time service in more abominable temperature environment, can reduce battery performance significantly.If the temperature of battery pack is too high, will shorten the useful life of battery pack integral body, the spontaneous combustion that can produce battery pack when serious causes quite serious accident; If the temperature of battery pack is low excessively,, electric motor car can not normally be moved with influencing the voltage of battery pack output and the stability of power.
For under the different weather conditions and under the vehicle operating condition, guarantee that battery pack moves in the temperature range of safety, and the working temperature of battery pack is remained within the optimal working temperature range as far as possible, need control the working temperature of battery pack.Comparatively economic and that realize the easily at present battery pack type of cooling is the air cooling mode, even have certain interval between the battery unit in the battery pack, and on battery case, set into air port and air outlet, be blown in the battery case with the cold air of fan, walk heat by the gap band between the battery unit with the outside.But this type of cooling can not guarantee the even wind-engaging of all battery units, and the local heating of part battery unit causes temperature field skewness in the battery case, and the performance of each several part battery unit is unbalanced with causing, and causes the short slab effect.Simultaneously, because the realization of air cooling mode need make the inside and outside environment of battery case directly communicate, if and electric motor car is worked under the extreme temperature environment, the temperature in the battery case might exceed the safe temperature scope of battery pack, so also may cause the battery pack cisco unity malfunction.
Summary of the invention
The present invention is directed to the shortcoming and defect that the battery pack temperature adjusting device exists in the prior art, provide a kind of and the heat that battery unit produces can be carried out the directed high-efficiency heat-radiation dynamic cell that transmits rapidly, and then provide a kind of effectively temperature of regulating cell group, it is moved in the temperature range of safety, keep the equally distributed electric motor car temperature control system in temperature field in the battery pack simultaneously, further this system can make battery pack and external environment isolated, and a kind of electric motor car that uses above-mentioned electrokinetic cell and electric motor car temperature control system.Electrokinetic cell of the present invention and electric motor car temperature control system also can be applicable to variously need carry out thermoregulator field to battery pack.
Technical scheme of the present invention is as follows:
A kind of high-efficiency heat-radiation dynamic cell comprises battery unit and one or more than one flat-plate heat pipe, and described flat-plate heat pipe is fitted on the side of battery unit, and the surface that described flat-plate heat pipe is fitted on the side of battery unit is a heat-absorbent surface; The length of described flat-plate heat pipe forms one greater than the length of battery unit and has more part, describedly has more part and described flat-plate heat pipe is not fitted in the part of battery unit side as radiating surface.
Described battery unit is the cell with structural strength hard shell, or the flexible-packed battery assembly of structural strength hard shell is arranged by the outside that soft encapsulation cell more than two or two constitutes.
The side of described battery unit is the plane, and described flat-plate heat pipe is fitted in the battery unit single or double; Or the side of described battery unit is cylinder or taper seat, and described flat-plate heat pipe is fitted on cylinder or the taper seat.
The laminating type of described flat-plate heat pipe and battery unit is for pasting.
Described flat-plate heat pipe is a micro heat pipe array flat-plate heat pipe, i.e. the flat-plate heat pipe of a plurality of micro heat pipes of parallel arrangement in the heat conduction sheet material entity.
The fin of heat transmission is set on described radiating surface.
A kind of power battery pack is characterized in that, described power battery pack is connected, is formed by stacking by described electrokinetic cell.
Described power battery pack is provided with the power battery pack shell outward, and described electrokinetic cell assembly housing is provided with and described flat-plate heat pipe and the corresponding perforation of power battery pack lead, and described electrokinetic cell assembly housing is the integral sealing member.
A kind of electric motor car temperature control system is characterized in that: also comprise a described power battery pack and an air channel that communicates with described radiating surface, the air inlet in described air channel is towards the direction of advance of described electric motor car, and its air outlet is the direction of advance of described electric motor car dorsad.
Described air inlet and air outlet lay respectively at pairing the place ahead of described radiating surface lateral length and rear, and become the diagonal setting.
Also comprise a battery case, described power battery pack is arranged in the described battery case and has ventilation space between the two, and the air inlet in described air channel and air outlet all stretch out outside the described battery case.
The air inlet in described air channel and air outlet place all are provided with valve.
In the described battery case near on the air channel tube wall of air inlet one side and/or on the battery case sidewall cooling piece is set.
The sidewall of described electrokinetic cell assembly housing is identical sidewall with the sidewall sections that battery case joins.
A kind of electric motor car is characterized in that: also comprise temperature control system, described temperature control system is controlled the switching of described valve and the startup of described cooling piece; The radiating surface of described battery unit is parallel with the velocity attitude of described electric motor car.
Safe temperature scope as power battery pack is (T
1, T
2), battery the temperature inside the box is T
3, ambient temperature is T
4, the control procedure of described temperature control system comprises: 1) when described electric motor car in when operation, T
3Be higher than T
2And T
4Be lower than T
2The time, open valve, the temperature of battery pack is remained on T
2Below; 2) when described electric motor car when static, T
3Be higher than T
2, valve-off starts described cooling piece simultaneously; 3) when described electric motor car in operation or when static, T
3Be higher than T
2And T
4Be higher than T
2, valve-off starts cooling piece simultaneously; 4) when described electric motor car in operation or when static, T
3Be lower than T
1, valve-off then.
Technique effect of the present invention is as follows:
The present invention preferably derives the heat that accumulates in the electrokinetic cell outside the electrokinetic cell by micro heat pipe array flat-plate heat pipe by flat-plate heat pipe, by be provided with the air channel preferably the air channel mode of passing the battery case that power battery pack is housed heat is diffused in the environment outside the battery case, reduced the temperature in the electrokinetic cell, burning or the blast of avoiding it to cause owing to heat accumulation.The present invention is by being provided with the mode of valve and cooling piece on the air channel, when ambient temperature surpasses the safe temperature scope of electrokinetic cell, the intelligent chemical control that temperature in the battery case is carried out under the sealing condition is regulated and control, avoided owing to the influence of environmental factor to the electrokinetic cell in the battery case.Electric motor car of the present invention is owing to adopt the electrokinetic cell of high cooling efficiency and the electric motor car temperature control system of superior performance, therefore under various environmental aspects, all the temperature of electrokinetic cell can be controlled in the safe temperature range, make the performance of electric motor car obtain great improvement.
Description of drawings
Fig. 1 is an electrokinetic cell structural representation of the present invention
Fig. 2 is a power battery pack structural representation of the present invention
Fig. 3 is that the master of electric motor car temperature control system of the present invention looks schematic diagram
Fig. 4 is the schematic side view of electric motor car temperature control system of the present invention
Each label lists as follows among the figure:
The 1-battery unit; 2-micro heat pipe array flat-plate heat pipe; 3-electrokinetic cell assembly housing; The 4-battery case; The 6-blast pipe; The 7-discharge pipe; The 8-cooling piece; The 9-valve; The 10-air inlet; The 11-air outlet.
Embodiment
The present invention will be described below in conjunction with accompanying drawing.
As shown in Figure 1, electrokinetic cell of the present invention comprises battery unit 1 and flat-plate heat pipe 2, flat-plate heat pipe 2 among Fig. 1 is for having the flat-plate heat pipe of micro heat pipe array in it, the flat-plate heat pipe of a plurality of micro heat pipes of parallel arrangement promptly is set in heat conduction sheet material entity by extruding or impact style, it can certainly be the flat-plate heat pipe of other kinds, and have the certain deformation performance, but to become arc or other shape bonding surfaces.Battery unit 1 is for having the cell of structural strength shell, or by the outside that soft envelope shape cell more than two or two constitutes the flexible-packed battery assembly of structural strength shell arranged, and the shell here refers to hard shell.Flat-plate heat pipe 2 is fitted on the side of battery unit 1, and battery unit 1 is the plane in its side of present embodiment, but its side can be the bonding surfaces of cylinder or taper seat or other types certainly, and the surface of flat-plate heat pipe 2 applying battery units 1 side is a heat-absorbent surface.The length of flat-plate heat pipe 2 needs the length greater than battery unit 1 to form one have more part, this have more part and flat-plate heat pipe 2 not bonding surfaces all battery unit 1 is dispelled the heat as radiating surface.Battery unit 1 in the present embodiment is a lithium battery, and two flat-plate heat pipes 2 are along the length direction of lithium battery, sticks on the outer surface of battery container by heat conductive silica gel, has certain intervals between two flat-plate heat pipes 2, also can closely come together to be provided with; Flat-plate heat pipe 2 is a kind of widely applicable, thermal resistance is little, radiating efficiency is high, bearing capacity is strong new heat pipes with microporous pipe array, and its international application no is PCT/CN2009/072362, and international filing date is 2009.6.19.Flat-plate heat pipe 2 comprises a heat carrier, and the two or more microporous pipe that be arranged in parallel in heat carrier.Preferably each microporous pipe is independent heat pipe structure, has been sealed with the working medium of phase-change heat-exchange effect in microporous pipe.Particularly having more the fin that the enhancing thermolysis also can be set on the part on the radiating surface of flat-plate heat pipe 2, to strengthen radiating effect.As shown in Figure 2, a plurality of electrokinetic cells are formed power battery pack by the mode of series connection, stack, and power battery pack is provided with power battery pack shell 3 outward.Electrokinetic cell assembly housing 3 is provided with and flat-plate heat pipe 2 and the corresponding perforation of power battery pack lead, between flat-plate heat pipe perforation and the flat-plate heat pipe 2, lead is bored a hole and lead between hermetically-sealed construction all is set, make electrokinetic cell assembly housing 3 be the integral sealing member, power battery pack and external environment are completely cut off.Electrokinetic cell assembly housing 3 also can be used as the package support of power battery pack, and provides protection to power battery pack.That electrokinetic cell assembly housing 3 can adopt is waterproof and dampproof, insulation, fire-retardant anti-fire, shock-absorbing is crashproof and prevent the material of electromagnetic radiation, plays preventing power battery pack because of bump, causes the effect of heating of battery unit 1 internal short-circuit and then explosive combustion.
As shown in Figure 3, Figure 4, electric motor car temperature control system of the present invention comprises power battery pack, battery case 4 and air channel, and power battery pack and air channel are arranged in the battery case 4.What flat-plate heat pipe 2 stretched out battery-pack exterior casing 3 has more the radiating surface of part as power battery pack, and power battery pack is dispelled the heat, and the space at radiating surface place communicates with the air channel, can carry out heat exchange.The material of battery case 4 is metal or the nonmetallic materials with certain intensity; outermost layer protection as power battery pack; battery case 4 can be and the electrokinetic cell assembly housing 3 outer casings that are provided with separately again; also can be that battery-pack exterior casing 3 sidewalls extend upward the casing that constitutes the space with air channel, this moment, battery case 4 has identical sidewall sections with electrokinetic cell assembly housing 3.The air channel comprises blast pipe 6, discharge pipe 7, cooling piece 8 and valve 9.Blast pipe 6, discharge pipe 7 are separately positioned on the pairing the place ahead of radiating surface lateral length and the rear of power battery pack plane heat pipe 2, and become the diagonal setting relatively, to prolong the path of air-flow in battery case 4, make air-flow flow through the radiating surface of each flat-plate heat pipe 2 equably.The air inlet 10 of blast pipe 6, the air outlet 11 of discharge pipe 7 stretch out from the bottom of battery case 4, and wherein air inlet 10 is towards the direction of advance of electric motor car, and air outlet 11 is the direction of advance of electric motor car dorsad.Air inlet 10 and air outlet 11 places all are provided with valve 9, and cooling piece 8 is arranged on blast pipe 6 and is positioned on battery case 4 outer wall partly, also can be arranged on battery case 4 inwalls.Power battery pack provides power supply for cooling piece 8, and the control system of electric motor car is controlled the switching of valve 9 and the startup of cooling piece 8.Pass between the radiating surface of flat-plate heat pipe 2, the airflow direction in the air channel and the electric automobile velocity attitude is: airflow direction is opposite with the electric automobile velocity attitude, radiating surface is parallel with electric motor car speed velocity attitude, in order that make the heat exchanger effectiveness of air-flow in the battery case 4 and radiating surface reach maximum.
When electric motor car was advanced with certain speed, air-flow can enter blast pipe 6 from air inlet 10, flow through the flat-plate heat pipe 2 of each battery unit 1 with the direction of the radiating surface that is parallel to flat-plate heat pipe 2.After the high temperature gas flow that carries the heat that battery unit 1 derives is afterwards collected by discharge pipe 7, discharge battery cases 4 by air outlet 11.When electric motor car is static, because speed is zero, therefore there is not air-flow to flow into battery case 4, can realize power battery pack is effectively lowered the temperature by valve-off 9 and the mode of opening cooling piece 8.In real work, the temperature information in the sensor acquisition battery case 4 is input in the control system of electric motor car, and control system output control signal is controlled the switching of valve 9 and the startup of cooling piece 8.The safe temperature scope of supposing power battery pack is (T
1, T
2), battery the temperature inside the box is T
3, ambient temperature is T
4, temperature controlled processes then of the present invention is as follows:
(1) when electric motor car in when operation, temperature T in the battery case 4
3Be higher than T
2, and ambient temperature T
4Be lower than T
2The time, open valve 9, produce the air-flow opposite in the air channel with the travel direction of electric motor car.Air-flow is taken away the heat in the battery case 4, and the temperature of battery pack is remained on T
2Below.
(2) when electric motor car when static, temperature T in the battery case 4
3Be higher than T
2, valve-off 9 starts 8 pairs of battery cases 4 of cooling piece simultaneously and freezes.
(3) when electric motor car in operation or when static, temperature T in the battery case 4
3Be higher than T
2, and ambient temperature T
4Be higher than T
2The time, valve-off 9 starts 8 pairs of battery cases 4 of cooling piece simultaneously and freezes.
(4) when electric motor car in operation or when static, 4 temperature T in battery case
3Be lower than T
1, then valve-off 9, and battery case 4 is incubated.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the invention, but do not limit the present invention in any way creation.Therefore; although this specification has been described in detail the invention with reference to drawings and Examples; but; those skilled in the art are to be understood that; still can make amendment or be equal to replacement the invention; in a word, all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the invention, and it all should be encompassed in the middle of the protection range of the invention patent.
Claims (15)
1. high-efficiency heat-radiation dynamic cell, it is characterized in that: comprise battery unit and one or more than one flat-plate heat pipe, described flat-plate heat pipe is fitted on the side of battery unit, and the surface that described flat-plate heat pipe is fitted on the side of battery unit is a heat-absorbent surface; The length of described flat-plate heat pipe has more part greater than the length formation one of battery unit, has more part and described flat-plate heat pipe and is not fitted in the part of battery unit side as radiating surface.
2. a kind of electrokinetic cell as claimed in claim 1 is characterized in that described flat-plate heat pipe is a micro heat pipe array flat-plate heat pipe, i.e. the flat-plate heat pipe of a plurality of micro heat pipes of parallel arrangement in the heat conduction sheet material entity.
3. a kind of electrokinetic cell as claimed in claim 1, it is characterized in that: described battery unit is the cell with structural strength hard shell, or the flexible-packed battery assembly of structural strength hard shell is arranged by the outside that soft encapsulation cell more than two or two constitutes.
4. as claim 1 or 2 or 3 described a kind of electrokinetic cells, it is characterized in that: the side of described battery unit is the plane, and described flat-plate heat pipe is fitted in the battery unit single or double; Or the side of described battery unit is cylinder or taper seat, and described flat-plate heat pipe is fitted on cylinder or the taper seat.
5. a kind of electrokinetic cell as claimed in claim 1 or 2 is characterized in that: the laminating type of described flat-plate heat pipe and battery unit is for pasting.
6. a kind of electrokinetic cell as claimed in claim 1 or 2 is characterized in that: the fin that heat transmission is set on described radiating surface.
7. an employing is as the power battery pack of electrokinetic cell as described in the claim 1～6, and it is characterized in that: described power battery pack is connected, is formed by stacking by described electrokinetic cell.
8. power battery pack as claimed in claim 7, it is characterized in that: described power battery pack is provided with the power battery pack shell outward, described electrokinetic cell assembly housing is provided with and described flat-plate heat pipe and the corresponding perforation of power battery pack lead, and described electrokinetic cell assembly housing is the integral sealing member.
9. an employing is as the electric motor car temperature control system of power battery pack as described in the claim 7～8, it is characterized in that: comprise a described power battery pack and an air channel that communicates with described radiating surface, the air inlet in described air channel is towards the direction of advance of described electric motor car, and its air outlet is the direction of advance of described electric motor car dorsad.
10. electric motor car temperature control system as claimed in claim 9 is characterized in that: described air inlet and air outlet lay respectively at pairing the place ahead of described radiating surface lateral length and rear, and become the diagonal setting.
11. as claim 9 or 10 described electric motor car temperature control systems, it is characterized in that: also comprise a battery case, described power battery pack is arranged in the described battery case and has ventilation space between the two, and the air inlet in described air channel and air outlet all stretch out outside the described battery case.
12. electric motor car temperature control system as claimed in claim 11 is characterized in that: the air inlet in described air channel and air outlet place all are provided with valve.
13. electric motor car temperature control system as claimed in claim 11 is characterized in that: in the described battery case near on the air channel tube wall of air inlet one side and/or on the battery case sidewall cooling piece is set.
14. electric motor car temperature control system as claimed in claim 11 is characterized in that: the sidewall of described electrokinetic cell assembly housing is identical sidewall with the sidewall sections that battery case joins.
15. an employing is as the electric motor car of electric motor car temperature control system as described in the claim 9～14, it is characterized in that: also comprise temperature control system, described temperature control system is controlled the switching of described valve and the startup of described cooling piece; The direction of the radiating surface of described battery unit is parallel with the velocity attitude of described electric motor car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200002875U CN201966302U (en) | 2010-01-11 | 2010-01-11 | Motive power battery, motive power battery pack, electromobile temperature control system and electromobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200002875U CN201966302U (en) | 2010-01-11 | 2010-01-11 | Motive power battery, motive power battery pack, electromobile temperature control system and electromobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201966302U true CN201966302U (en) | 2011-09-07 |
Family
ID=44528854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200002875U Expired - Lifetime CN201966302U (en) | 2010-01-11 | 2010-01-11 | Motive power battery, motive power battery pack, electromobile temperature control system and electromobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201966302U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374160A (en) * | 2016-07-30 | 2017-02-01 | 安徽安耐捷新能源科技有限公司 | Lithium battery working condition management system for vehicle, and control method therefor |
| CN109050289A (en) * | 2018-07-26 | 2018-12-21 | 重庆工程职业技术学院 | Battery charging management method |
| CN109378547A (en) * | 2018-10-23 | 2019-02-22 | 南昌大学 | A kind of battery pack heat dissipation structure with microchannel gravity assisted heat pipe |
-
2010
- 2010-01-11 CN CN2010200002875U patent/CN201966302U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374160A (en) * | 2016-07-30 | 2017-02-01 | 安徽安耐捷新能源科技有限公司 | Lithium battery working condition management system for vehicle, and control method therefor |
| CN106374160B (en) * | 2016-07-30 | 2018-11-06 | 安徽师范大学 | Vehicle lithium battery operating mode manages system and its control method |
| CN109050289A (en) * | 2018-07-26 | 2018-12-21 | 重庆工程职业技术学院 | Battery charging management method |
| CN109378547A (en) * | 2018-10-23 | 2019-02-22 | 南昌大学 | A kind of battery pack heat dissipation structure with microchannel gravity assisted heat pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181112 Address after: 255213 Shandong Zibo Boshan Economic Development Zone Chuang Chuang business building Patentee after: Zibo Boyi New Energy Technology Development Co., Ltd. Address before: 100070 room 2613, building 2, Baolong apartment, 100 Avenue, Fengtai District Science City, Beijing. Co-patentee before: Zhao Yaohua Patentee before: Li Guangming |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |