CN205429112U - Device of lithium cell among hybrid vehicle - Google Patents
Device of lithium cell among hybrid vehicle Download PDFInfo
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- CN205429112U CN205429112U CN201620156706.1U CN201620156706U CN205429112U CN 205429112 U CN205429112 U CN 205429112U CN 201620156706 U CN201620156706 U CN 201620156706U CN 205429112 U CN205429112 U CN 205429112U
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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
- 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
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Abstract
The utility model discloses a device of lithium cell among hybrid vehicle, include: multiseriate lithium cell group is placed to the box, the liquid cooling ways is arranged in the box surface, the air intake set up in the left side upper portion of box, the air outlet set up in the right side lower part of box, air inlet wedge passageway is followed the air intake set up in above the lithium cell group, the internal diameter of air inlet wedge passageway reduces along the extension in air inlet route gradually, air -out wedge passageway is followed the air outlet set up in lithium cell group below, the internal diameter of air -out wedge passageway reduces along the extension in air -out route gradually, a plurality of first guide plates, each lithium cell group top is provided with one first guide plate, a plurality of second guide plates, each lithium cell group below is provided with one the second guide plate, coupling heat radiation structure sets up in adjacent between the lithium cell group, coupling heat radiation structure includes that air outlet duct says and covert portion, and it is right to be used for it is adjacent the heat dissipation of lithium cell group.
Description
Technical field
This utility model relates to automotive electronics applied technical field, particularly relates to the device of lithium battery in a kind of hybrid vehicle.
Background technology
Accumulator is the important component part of mixed power electric car, and the quality of its duty directly affects the safety of car load, economy etc..Lithium ion battery can release heat in charge and discharge process, simultaneously automobile limited space in set of cells typically use compact arrangement form, if heat radiation is not in time, the heat accumulation of inside battery can be caused, cause thermal runaway, have a strong impact on performance and the safety of battery, the inconsistent meeting of temperature causes the inconsistent of battery performance, causes the super-charge super-discharge of percentage of batteries, makes battery performance entire lowering.During additionally, ambient temperature is below 10 DEG C, the discharge capacity of battery begins to decline, particularly evident when temperature is less than-20 DEG C, has a strong impact on the normal use of set of cells and electric automobile.
At present, heat dissipating method is broadly divided into: air-cooling, liquid cooling method, phase-change material cooling method, heat pipe cooling method etc..
Wherein, forced-air convection cooling method is widely used due to its simple in construction, low cost and preferably radiating effect.But under the conditions of higher ambient temperature, lasting big load etc., the method not only energy consumption is greatly increased, and radiating effect is also unable to reach requirement, and due to set of cells put in order and air inlet length to cause the set of cells away from air inlet to be dispelled the heat slow, radiating effect is uneven.
Phase-change material cooling method, utilizes the characteristic drawing latent heat of phase change during material phase transformation to reach the purpose of cooling.The method need not extra equipment, it is not necessary to energy drives, and has preferable hot cushioning effect.But, it belongs to a kind of passive heat dissipating method, can only work at transition temperature range, and owing to the thermal conductivity that phase-change material is relatively low causes its heat absorption speed relatively low, under big loading condiction, radiating effect is undesirable.The many employings of simple phase-change material cooling system are filled phase-change material in battery surrounding and are realized, and this structure is difficulty with the heating to set of cells.
Heat pipe cooling method, heat pipe is a kind of hollow pipe sealing structure, and one end is evaporation ends, and the other end is condensation end, when transmitting liquid and the condensation of amount of heat time in pipe containing evaporation, liquid is taken back the wick of starting point, is a kind of heat conductor utilizing phase transformation efficient heat transfer.The method can preferably solve the problem of set of cells heat radiation, but adds the complexity of system, and due to the character of the unidirectional heat transfer of heat pipe, this structure is similarly difficult to realize the heating to set of cells.
Utility model content
The problems referred to above existed for existing heat dissipating method, now provide the device of lithium battery in a kind of hybrid vehicle aiming at and can making set of cells Homogeneouslly-radiating, simple in construction and good heat dissipation effect.
Concrete technical scheme is as follows:
The device of lithium battery in a kind of hybrid vehicle, including:
Casing, in order to place multiple row lithium battery group；
Liquid-cooled jacket, is placed on described box outer surface；
Air inlet, is arranged at the left upper portion of described casing；
Air outlet, is arranged at the lower right side of described casing；
Air intake wedgy passage, is arranged at above described lithium battery group along described air inlet, and the internal diameter of described air intake wedgy passage is gradually reduced along the prolongation in air intake path；
Air-out wedgy passage, is arranged at below described lithium battery group along described air outlet, and the internal diameter of described air-out wedgy passage is gradually reduced along the prolongation in air-out path；
A plurality of first deflectors, each described lithium battery group is provided above the first deflector described in；
A plurality of second deflectors, are provided with the second deflector described in below each described lithium battery group；
Coupling radiator structure, is arranged between adjacent described lithium battery group, and described coupling radiator structure includes air-out conduit and covert portion, in order to described adjacent described lithium battery group heat radiation.
Preferably, the front end of described first deflector is connected near the side of described air inlet with the upper surface of lithium battery group described in each group, and the end of described first deflector is towards the air intake direction of described air inlet.
Preferably, the front end of described second deflector is connected near the side of described air outlet with the lower surface of lithium battery group described in each group, and the end of described second deflector is towards the air-out direction of described air outlet.
Preferably, described air-out conduit is arranged between adjacent described lithium battery group, so that forming air-flow between described air intake wedgy passage and described air-out wedgy passage.
Preferably, described air-out conduit includes two pieces of vertical dividing plates, and the side that two pieces of described dividing plates are relative is evenly arranged with multiple vertical fin, adjacent two pieces of described fins and two pieces of described baffle combinations the most respectively and forms a vertical mounting groove.
Preferably, described covert portion is multiple, and each described covert portion is arranged in described air-out conduit along the airflow direction uniform intervals of described air-out conduit.
Preferably, what described covert portion was spaced is seal-installed in described mounting groove.
Preferably, described covert portion uses phase change material paraffin.
Preferably, described box inside is sealed with phase change material layer.
Preferably, described phase change material layer is paraffin layer.
The beneficial effect of technique scheme:
In the technical program, using wedgy passage to reach air channel the narrowest distinguished and admirable the fastest, the heat taken away is the most, thus alleviates the drawback of the lithium battery group slow weak effect of heat radiation away from air inlet；Utilize deflector can strengthen windage and improve the uniformity in flow field；Use liquid-cooled jacket to can absorb the temperature of tank surface, improve radiating efficiency；When big load, the rising of the temperature of lithium battery group when lithium battery group temperature reaches certain value, can be suppressed by covert portion, play the effect of heat buffering, the advantage that in hybrid vehicle, the device of lithium battery also has simple in construction and good heat dissipation effect.
Accompanying drawing explanation
Fig. 1 is the structural front view of a kind of embodiment of the device of lithium battery in hybrid vehicle described in the utility model；
Fig. 2 is the cross sectional view in P-P face in Fig. 1；
Fig. 3 is the schematic diagram coupling radiator structure in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained on the premise of not making creative work, broadly fall into the scope of this utility model protection.
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can be mutually combined.
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as restriction of the present utility model.
As Figure 1-3, the device of lithium battery in a kind of hybrid vehicle, including:
Casing 1, in order to place multiple row lithium battery group 5；
Liquid-cooled jacket 14, is placed on the outer surface of casing 1；
Air inlet 4, is arranged at the left upper portion of casing 1；
Air outlet 3, is arranged at the lower right side of casing 1；
Air intake wedgy passage 2, is arranged at above lithium battery group 5 along air inlet 4, and the internal diameter of air intake wedgy passage 2 is gradually reduced along the prolongation in air intake path；
Air-out wedgy passage 11, is arranged at below lithium battery group 5 along air outlet 3, and the internal diameter of air-out wedgy passage 11 is gradually reduced along the prolongation in air-out path；
A plurality of first deflectors 12, each lithium battery group 5 is provided above one first deflector 12；
A plurality of second deflectors 13, are provided with one second deflector 13 below each lithium battery group 5；
Coupling radiator structure 6, is arranged between adjacent lithium battery group 5, and coupling radiator structure 6 includes air-out conduit 10 and covert portion 8, in order to dispel the heat adjacent lithium battery group 5.
In the present embodiment, using wedgy passage, to have reached air channel the narrowest distinguished and admirable the fastest, and the heat taken away is the most, thus alleviate the lithium battery group 5 away from air inlet 4 and dispel the heat the drawback of slow weak effect；Utilize deflector can strengthen windage and improve the uniformity in flow field；Employing liquid-cooled jacket 14 can prevent the temperature of temperature too high absorption casing 1 outer surface of casing 1, improves radiating efficiency.When big load, the rising of the temperature of lithium battery group 5 when lithium battery group 5 temperature reaches certain value, can be suppressed by covert portion 8, play the effect of heat buffering, the advantage that in hybrid vehicle, the device of lithium battery has simple in construction and good heat dissipation effect.
In a preferred embodiment, the front end of the first deflector 12 is connected near the side of air inlet 4 with the upper surface of each group of lithium battery group 5, and the end of the first deflector 12 is towards the air intake direction of air inlet 4.
In the present embodiment, windage is increased to improve the uniformity in flow field by the first deflector 12.
In a preferred embodiment, the front end of the second deflector 13 is connected near the side of air outlet 3 with the lower surface of each group of lithium battery group 5, and the end of the second deflector 13 is towards the air-out direction of air outlet 3.
In the present embodiment, windage is increased to improve the uniformity in flow field by the second deflector 13.
As Figure 1-3, in a preferred embodiment, air-out conduit 10 is arranged between adjacent lithium battery group 5, so that forming air-flow between air intake wedgy passage 2 and air-out wedgy passage 11, to realize air heat radiation.
As shown in Figure 3, in a preferred embodiment, air-out conduit 10 includes two pieces of vertical dividing plates 7, and the side that two pieces of dividing plates 7 are relative is evenly arranged with multiple vertical fin 9, adjacent two pieces of fins 9 and two pieces of dividing plates 7 combinations the most respectively and forms vertical mounting grooves.Covert portion 8 is multiple, and each covert portion 8 is arranged in air-out conduit 10 along the airflow direction uniform intervals of air-out conduit 10.Being seal-installed in mounting groove of covert interval, portion 8.The mounting groove not installing covert portion 8 forms air-out conduit 10.
Further, covert portion 8 uses phase change material paraffin.
In the present embodiment, the plate-fin dividing plate 7 of band fin 9 is become with the aluminum of high thermal conductivity or copper, filling phase-change material with the form at interval in fin 9 gap and reserve air-out conduit 10 simultaneously, wherein phase-change material is sealed between fin 9, prevents from occurring in phase transition process leakage phenomenon.Plate-fin structure can improve integral heat sink area, and solves, by fin 9 heat conduction, the problem that olefin material thermal conductivity is too low.This structure also has air conducting distributional effects, it is possible to increase temperature consistency.
In a preferred embodiment, casing 1 inner seal has phase change material layer, to play heat buffering, adiabatic, the effect of insulation.
Further, phase change material layer is paraffin layer.
Paraffin is can be different according to service condition as phase-change material, chooses between phase transition temperature 35 DEG C～50 DEG C.Waiting in the winter time and choosing phase transition temperature under cryogenic conditions is 35 DEG C～the phase-change material of 40 DEG C；Choosing phase transition temperature under typical condition is 40 DEG C～the phase-change material of 45 DEG C；Choosing phase transition temperature when the ambient temperatures such as summer are higher is 45 DEG C～the phase-change material of 50 DEG C.When room temperature and summer high temperature (25 DEG C～40 DEG C), when Smaller load, the temperature of lithium battery group 5 slowly raises, being inputted cooling air by blower fan through air inlet 4, lithium battery group 5, through fin 9 water conservancy diversion, distribution, is cooled down by cooling air, hot-air is discharged through air outlet 3, in the process, adjusting intake size according to lithium battery temperature, air quantity is to keep in air-out conduit 10 maximum quantity of wind as laminar condition as the upper limit.When big load, first by blower fan input cooling air, lithium battery group 5 is cooled down, when temperature rises above the phase transition temperature of phase-change material, the heat of lithium battery group 5 passes to phase-change material through dividing plate 7, fin 9, phase-change material generation solid-liquid phase change endothermic process, the temperature of suppression lithium battery group 5 rises, and plays hot cushioning effect.Load from large to small time, cooling air will take away in phase-change material store heat, ensure phase-change material can continuous firing.In the case of ambient temperature is less than 10 DEG C, when mixed power electric car starts, lithium battery group 5 temperature is too low, the air of air inlet 4 is heated by the waste heat utilizing electromotor, and hot-air realizes the heating to lithium battery group 5 through air-out conduit 10, it is ensured that the normal use of lithium battery group 5.In driving process, it is possible to use lithium battery group 5 is incubated by the heat that lithium battery group 5 sends, simultaneously by controlling Fan Regulation intake, lithium battery group 5 temperature is controlled at optimum temperature range.
The foregoing is only this utility model preferred embodiment; not thereby embodiment of the present utility model and protection domain are limited; to those skilled in the art; the equivalent done by all utilization this utility model description and diagramatic content and the scheme obtained by obvious change should be can appreciate that, all should be included in protection domain of the present utility model.
Claims (10)
1. the device of lithium battery in a hybrid vehicle, it is characterised in that including:
Casing, in order to place multiple row lithium battery group；
Liquid-cooled jacket, is placed on described box outer surface；
Air inlet, is arranged at the left upper portion of described casing；
Air outlet, is arranged at the lower right side of described casing；
Air intake wedgy passage, is arranged at above described lithium battery group along described air inlet, and the internal diameter of described air intake wedgy passage is gradually reduced along the prolongation in air intake path；
Air-out wedgy passage, is arranged at below described lithium battery group along described air outlet, and the internal diameter of described air-out wedgy passage is gradually reduced along the prolongation in air-out path；
A plurality of first deflectors, each described lithium battery group is provided above the first deflector described in；
A plurality of second deflectors, are provided with the second deflector described in below each described lithium battery group；
Coupling radiator structure, is arranged between adjacent described lithium battery group, and described coupling radiator structure includes air-out conduit and covert portion, in order to described adjacent described lithium battery group heat radiation.
2. the device of lithium battery in hybrid vehicle as claimed in claim 1, it is characterized in that, the front end of described first deflector is connected near the side of described air inlet with the upper surface of lithium battery group described in each group, and the end of described first deflector is towards the air intake direction of described air inlet.
3. the device of lithium battery in hybrid vehicle as claimed in claim 1, it is characterized in that, the front end of described second deflector is connected near the side of described air outlet with the lower surface of lithium battery group described in each group, and the end of described second deflector is towards the air-out direction of described air outlet.
4. the device of lithium battery in hybrid vehicle as claimed in claim 1, it is characterised in that described air-out conduit is arranged between adjacent described lithium battery group, so that forming air-flow between described air intake wedgy passage and described air-out wedgy passage.
5. the device of lithium battery in hybrid vehicle as claimed in claim 4, it is characterized in that, described air-out conduit includes two pieces of vertical dividing plates, the side that two pieces of described dividing plates are relative is evenly arranged with multiple vertical fin, adjacent two pieces of described fins and two pieces of described baffle combinations the most respectively and forms a vertical mounting groove.
6. the device of lithium battery in hybrid vehicle as claimed in claim 5, it is characterised in that described covert portion is multiple, and each described covert portion is arranged in described air-out conduit along the airflow direction uniform intervals of described air-out conduit.
7. the device of lithium battery in hybrid vehicle as claimed in claim 6, it is characterised in that being seal-installed in described mounting groove of interval, described covert portion.
8. the device of lithium battery in hybrid vehicle as claimed in claim 1, it is characterised in that described covert portion uses phase change material paraffin.
9. the device of lithium battery in hybrid vehicle as claimed in claim 1, it is characterised in that described box inside is sealed with phase change material layer.
10. the device of lithium battery in hybrid vehicle as claimed in claim 9, it is characterised in that described phase change material layer is paraffin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620156706.1U CN205429112U (en) | 2016-03-01 | 2016-03-01 | Device of lithium cell among hybrid vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620156706.1U CN205429112U (en) | 2016-03-01 | 2016-03-01 | Device of lithium cell among hybrid vehicle |
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| CN205429112U true CN205429112U (en) | 2016-08-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732348A (en) * | 2017-09-26 | 2018-02-23 | 睿馨（珠海）投资发展有限公司 | Power battery module and its cooling system |
| CN107768767A (en) * | 2017-09-26 | 2018-03-06 | 深圳市曼戈弘电池企业（有限合伙） | The water cooling system and its application method of a kind of battery system |
| CN109792013A (en) * | 2016-10-07 | 2019-05-21 | 美国肯联铝业汽车制造有限公司 | Battery case for automobile batteries temperature management |
| CN109817542A (en) * | 2017-11-20 | 2019-05-28 | 沈阳芯源微电子设备股份有限公司 | A kind of wafer wet processing equipment air-supply structure |
| CN110027445A (en) * | 2019-03-05 | 2019-07-19 | 安徽力高新能源技术有限公司 | A kind of heat management system and method for battery management system |
| CN112271357A (en) * | 2020-12-22 | 2021-01-26 | 四川大学 | Liquid cooling module and heat radiation structure of long single battery with serially connected battery cells |
-
2016
- 2016-03-01 CN CN201620156706.1U patent/CN205429112U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109792013A (en) * | 2016-10-07 | 2019-05-21 | 美国肯联铝业汽车制造有限公司 | Battery case for automobile batteries temperature management |
| CN107732348A (en) * | 2017-09-26 | 2018-02-23 | 睿馨（珠海）投资发展有限公司 | Power battery module and its cooling system |
| CN107768767A (en) * | 2017-09-26 | 2018-03-06 | 深圳市曼戈弘电池企业（有限合伙） | The water cooling system and its application method of a kind of battery system |
| CN107768767B (en) * | 2017-09-26 | 2019-11-29 | 深圳市国创动力***有限公司 | A kind of water cooling system and its application method of battery system |
| CN109817542A (en) * | 2017-11-20 | 2019-05-28 | 沈阳芯源微电子设备股份有限公司 | A kind of wafer wet processing equipment air-supply structure |
| CN109817542B (en) * | 2017-11-20 | 2021-05-04 | 沈阳芯源微电子设备股份有限公司 | Wafer wet processing equipment air supply structure |
| CN110027445A (en) * | 2019-03-05 | 2019-07-19 | 安徽力高新能源技术有限公司 | A kind of heat management system and method for battery management system |
| CN112271357A (en) * | 2020-12-22 | 2021-01-26 | 四川大学 | Liquid cooling module and heat radiation structure of long single battery with serially connected battery cells |
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