CN203553306U - Lithium ion battery pack component - Google Patents
Lithium ion battery pack component Download PDFInfo
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- CN203553306U CN203553306U CN201320591825.6U CN201320591825U CN203553306U CN 203553306 U CN203553306 U CN 203553306U CN 201320591825 U CN201320591825 U CN 201320591825U CN 203553306 U CN203553306 U CN 203553306U
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- lithium ion
- ion battery
- battery group
- container tank
- member according
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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 relates to a lithium ion battery pack component which comprises a lithium ion battery pack and a container water tank, wherein the container water tank covers the outer part of the lithium ion battery pack; the upper part of the container water tank is sealed and covered with an upper cover; the inner edge of the upper cover is in sealed connection with the outer wall of the lithium ion battery pack; a battery pole is arranged at the upper end of the lithium ion battery pack; and a cooling liquid is contained in the container water tank. The lithium ion battery pack component provided by the utility model has the beneficial effects that the container water tank containing the cooling liquid can cool the outer part of the lithium ion battery pack, the working time and output power of the battery are increased, the reliability of the lithium ion battery is effectively improved, and the potential safety hazard caused by excessively high temperature of the lithium ion battery is avoided; with a reset spring, the damage of the battery caused by the factors such as impact is reduced; the cooling water body also can become a barrier from explosion; and the structure is simple and easy to manufacture and control and has strong practicability and good safety while the cost is low.
Description
Technical field
The utility model relates to lithium ion battery technical group field, relates in particular to a kind of lithium ion battery group member with cooling effect.
Background technology
Lithium ion battery is a kind of rechargeable battery, and it mainly relies on lithium ion between positive pole and negative pole, to move work.In charge and discharge process, Li+ comes and goes and embeds and deintercalation between two electrodes: during rechargable battery, Li+, from anodal deintercalation, embeds negative pole through electrolyte, and negative pole is in rich lithium state; Contrary during electric discharge.Lithium ion battery is the secondary cell system with high-energy-density, in multiple fields, is used widely.In use there is an obvious shortcoming in lithium ion battery, that is exactly that lithium ion battery is used the long period to there will be heating problem continuously.Its main cause is: in the use of lithium ion battery, in discharge process, comprise the conversion of energy, W=W1+W2, W1=Pt, W2=I2Rt, the electric energy that when wherein W1 is battery regular picture, chemical energy is converted into, is effective merit, W2 is the heat that in discharge process, battery produces, by W2=I2Rt, known, when discharging current one timing, the internal resistance of battery is larger, service time is longer, and liberated heat is more; When internal resistance one timing, the caloric value of battery depends on the service time of battery.
At present, along with exploitation and the utilization of the several functions of various electrical equipment, people are increasing larger to the user demand of high-power lithium ion battery, by above-mentioned formula, known, the use power of battery is larger, and the operating time is longer, and the interior heat that battery produces can be larger, but the normal working temperature of anode material for lithium-ion batteries has definite scope, generally within the scope of-20～50 ℃.And the fail safe of lithium ion battery and its serviceability temperature correlation very large, if the too high positive electrode that not only may make of the serviceability temperature of battery lost efficacy, also may cause the short circuit of battery, cause the instantaneous burst of internal energy and explode, there is serious potential safety hazard.Therefore, further improving the serviceability of lithium ion battery, reduce the caloric value of lithium ion battery, reduce the heating rate in its use procedure, is an important problem.
In order to meet people's user demand, and can make battery remain within the scope of normal serviceability temperature, existing research direction is further to improve the high temperature performance of lithium ion battery material self, but aspect lithium ion battery material, does not obtain good progress at present.Another one effective way is that lithium ion battery is in use carried out to outside cooling.Wherein more effective outside cooling method is water cooling, utilizes heat conduction, thermal convection principle to carry out effective temperature-reducing to it
Therefore,, for above deficiency, the utility model provides a kind of lithium ion battery group member.
Utility model content
(1) technical problem that will solve
The purpose of this utility model is that the use power of solution lithium ion battery is larger, operating time is longer, the interior heat that battery produces can be larger, and the too high positive electrode that not only may make of the serviceability temperature of lithium ion battery lost efficacy, also may cause the short circuit of lithium ion battery, cause the instantaneous burst of inside battery energy and explode, thering is the problem of serious potential safety hazard.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of lithium ion battery group member, it comprises lithium ion battery group and container tank, described container tank is sleeved on the outside of lithium ion battery group, the top seal of described container tank is coated with upper cover, the be tightly connected outer wall of lithium ion battery group of the inward flange of described upper cover, the upper end of described lithium ion battery group is provided with battery electrode column, and described container tank is in-built cooling liquid.
Wherein, be laid with at least one bearing on the bottom land of described container tank, the upper end of bearing is fixedly connected on the lower surface of lithium ion battery group, and described bearing is used for supporting lithium ion battery group, and cooling fluid is circulated from its underpart.
Wherein, in described container tank, be laid with at least one group of back-moving spring group, described back-moving spring group comprises two back-moving springs that arrange in opposite directions, one end of described back-moving spring is fixedly connected on respectively on the corresponding inwall in container tank, and the other end of described back-moving spring compresses or is fixedly connected on the side of corresponding lithium ion battery group.
Wherein, cover on described and be laid with liquid injection hole, described liquid injection hole is communicated with container tank, and on liquid injection hole, establishes Packed port lid.
Wherein, on the side of described container tank, be connected with linker, described linker and container tank internal communication, described linker is for observing the position of liquid level.
Wherein, the height of described liquid is lower than the lead-in wire height of lithium ion battery group, to keep lithium ion battery group safety and effective.
Wherein, the quantity of described bearing is preferably 4 or 6, is evenly distributed on the bottom surface of container tank.
Wherein, described container tank adopts the macromolecular material with corrosion-resistant and good insulating to make.
Wherein, two back-moving springs of every group of back-moving spring group of container tank are positioned on straight line.
Wherein, the crust of described lithium ion battery group is sealed in the outside of lithium ion battery group, and the crust of described lithium ion battery group is made by the material with corrosion resistance.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: the container tank that cooling fluid is housed can carry out outside cooling to lithium ion battery group, improves operating time and the power output of lithium ion battery, can meet the requirements at the higher level of people to lithium ion battery; Meanwhile, effectively improve the reliability of lithium ion battery, removed the potential safety hazard that lithium ion battery causes due to excess Temperature from, effectively improve the combination property of lithium ion battery; The damage that is arranged to cause because of factors such as shocks battery of back-moving spring, cooling water body can also become the barrier of blast; The height that is arranged so that the cooling fluid in container tank of linker, by strict control, keeps the good operation of lithium ion battery group; Simple in structure, be easy to make and control, exploitativeness is strong, has good fail safe good, with low cost.
Accompanying drawing explanation
Fig. 1 is the structure chart of lithium ion battery assembly described in the utility model;
Fig. 2 is the structure chart of lithium ion battery group described in the utility model;
Fig. 3 is the vertical view of lithium ion battery assembly described in the utility model.
In figure: 1: battery electrode column; 2: upper cover; 3: spring; 4: container tank; 5: bearing; 6: linker; 7: liquid injection hole; 8: lithium ion battery group; 9: cooling fluid.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
Embodiment mono-
As Figure 1-3, a kind of lithium ion battery group member that the utility model embodiment provides, it comprises lithium ion battery group 8 and container tank 4, described container tank 4 is sleeved on the outside of lithium ion battery group 8, the top seal of described container tank 4 is coated with upper cover 2, described upper cover 2 is loop configuration, the inward flange of described upper cover 2 is sealedly attached to the outer wall of lithium ion battery group 8, the outward flange of described upper cover 2 is sealedly attached to the top of container tank 4, the upper end of described lithium ion battery group 8 is provided with battery electrode column 1, described battery electrode column 1 is derived and is connected use with the external world by the top of lithium ion battery group 8, in described container tank 4, cooling fluid 9 is housed.
Wherein, on the bottom land of described container tank 4, be laid with at least one bearing 5, the upper end of bearing 5 is fixedly connected on the lower surface of lithium ion battery group 8, described bearing 5 is for supporting lithium ion battery group 8, cooling fluid 9 can be circulated from its underpart, expanded the contact area of lithium ion battery group 8 and cooling fluid 9, be fully cooled liquid 9 of the heat of lithium ion battery group 8 is taken away, thus effective uniform decrease in temperature.
Wherein, in described container tank 4, be laid with at least one group of back-moving spring group, described back-moving spring group comprises two back-moving springs 3 that arrange in opposite directions, one end of described back-moving spring 3 is fixedly connected on respectively on the corresponding inwall in container tank 4, the other end of described back-moving spring 3 compresses or is fixedly connected on the side of corresponding lithium ion battery group 8, during concrete enforcement, the quantity of back-moving spring group can be adjusted according to specific circumstances, the larger spring of described back-moving spring 3 preferred elastomeric coefficient; Described back-moving spring 3 is for keeping the firm connection of lithium ion battery group 8 and container tank 4, minimizing causes the displacement of lithium ion battery group 8 because of factors such as shocks, when lithium ion battery group 8 is damaged because of shock, back-moving spring 3 is fixed in the cooling fluid 9 of container tank 4, reduces blast damage to external world.
Wherein, on described upper cover 2, be laid with liquid injection hole 7, described liquid injection hole 7 is positioned at a side of upper cover 2, described liquid injection hole 7 is communicated with container tank 4 and is used for to the interior perfusion cooling fluid 9 of container tank 4, and on liquid injection hole 7, establish Packed port lid, to prevent cooling fluid in vessel water groove 49 because stressed and overflow or ooze out.
Wherein, the height of described cooling fluid 9 liquid is lower than the lead-in wire height of lithium ion battery group 8, to keep lithium ion battery group 8 safe and effective.Accordingly, in described container tank 4, the liquid level of cooling fluid 9 need to be controlled accurately, because be connected with linker 6 on the side of described container tank 4, described linker 6 and container tank 4 internal communication, described linker 6 is for observing the position of liquid level, during fluid injection, by linker 6, read the height of container tank 4 interior liquid, to guarantee the use safety of lithium ion battery group.
Wherein, the quantity of described bearing 5 is preferably 4 or 6, described 4 or 6 bearings 5 are evenly distributed on the bottom surface of container tank 4, the structure of multiple bearings 5 is provided for supporting lithium ion battery group 8, cooling fluid 9 can be circulated from the bottom of lithium ion battery group 8, increase the contact area of lithium ion battery group 8 with cooling fluid 9, improved cooling effect.
Wherein, described container tank 4 adopts the macromolecular material with corrosion-resistant and good insulating to make.
Wherein, two back-moving springs 3 of every group of back-moving spring group of container tank are positioned on straight line; The central shaft of two back-moving springs 3 is positioned on straight line.
Wherein, the crust of described lithium ion battery group 8 is sealed in the outside of lithium ion battery group 8, and the crust of described lithium ion battery group 8 is made by the material with corrosion resistance.
In sum, the container tank that cooling fluid is housed can carry out outside cooling to lithium ion battery group, improves operating time and the power output of lithium ion battery, can meet the requirements at the higher level of people to lithium ion battery; Meanwhile, effectively improve the reliability of lithium ion battery, removed the potential safety hazard that lithium ion battery causes due to excess Temperature from, effectively improve the combination property of lithium ion battery; The damage that is arranged to cause because of factors such as shocks battery of back-moving spring, cooling water body can also become the barrier of blast; The height that is arranged so that the cooling fluid in container tank of linker can, by strict control, keep the good operation of lithium ion battery group; Simple in structure, be easy to make and control, exploitativeness is strong, has good fail safe, with low cost.
The above is only a kind of preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection range of the present utility model.
Claims (10)
1. a lithium ion battery group member, it is characterized in that: comprise lithium ion battery group and container tank, described container tank is sleeved on the outside of lithium ion battery group, the top seal of described container tank is coated with upper cover, the be tightly connected outer wall of lithium ion battery group of the inward flange of described upper cover, the upper end of described lithium ion battery group is provided with battery electrode column, and described container tank is in-built cooling fluid.
2. lithium ion battery group member according to claim 1, it is characterized in that: on the bottom land of described container tank, be laid with at least one bearing, the upper end of bearing is fixedly connected on the lower surface of lithium ion battery group, described bearing is used for supporting lithium ion battery group, and cooling fluid is circulated from its underpart.
3. lithium ion battery group member according to claim 1, it is characterized in that: in described container tank, be laid with at least one group of back-moving spring group, described back-moving spring group comprises two back-moving springs that arrange in opposite directions, one end of described back-moving spring is fixedly connected on respectively on the corresponding inwall in container tank, and the other end of described back-moving spring compresses or is fixedly connected on the side of corresponding lithium ion battery group.
4. lithium ion battery group member according to claim 1, is characterized in that: on described, cover and be laid with liquid injection hole, described liquid injection hole is communicated with container tank, and on liquid injection hole, establishes Packed port lid.
5. lithium ion battery group member according to claim 1, is characterized in that: on the side of described container tank, be connected with linker, and described linker and container tank internal communication, described linker is for observing the position of liquid level.
6. lithium ion battery group member according to claim 1, is characterized in that: the height of described liquid is lower than the lead-in wire height of lithium ion battery group, to keep lithium ion battery group safety and effective.
7. lithium ion battery group member according to claim 2, is characterized in that: the quantity of described bearing is preferably 4 or 6, is evenly distributed on the bottom surface of container tank.
8. lithium ion battery group member according to claim 1, is characterized in that: described container tank adopts the macromolecular material with corrosion-resistant and good insulating to make.
9. lithium ion battery group member according to claim 1, is characterized in that: two back-moving springs of every group of back-moving spring group of container tank are positioned on straight line.
10. lithium ion battery group member according to claim 1, is characterized in that: the crust of described lithium ion battery group is sealed in the outside of lithium ion battery group, and the crust of described lithium ion battery group is made by the material with corrosion resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320591825.6U CN203553306U (en) | 2013-09-24 | 2013-09-24 | Lithium ion battery pack component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320591825.6U CN203553306U (en) | 2013-09-24 | 2013-09-24 | Lithium ion battery pack component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203553306U true CN203553306U (en) | 2014-04-16 |
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ID=50471381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320591825.6U Expired - Lifetime CN203553306U (en) | 2013-09-24 | 2013-09-24 | Lithium ion battery pack component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203553306U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789384A (en) * | 2016-05-23 | 2016-07-20 | 常州回天新材料有限公司 | Compaction type solar cell panel back film fixing device |
| CN106654445A (en) * | 2016-11-15 | 2017-05-10 | 惠州市蓝微新源技术有限公司 | Liquid-cooled battery module |
| CN109509932A (en) * | 2014-12-08 | 2019-03-22 | 谢彦君 | Battery thermal management |
-
2013
- 2013-09-24 CN CN201320591825.6U patent/CN203553306U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509932A (en) * | 2014-12-08 | 2019-03-22 | 谢彦君 | Battery thermal management |
| CN105789384A (en) * | 2016-05-23 | 2016-07-20 | 常州回天新材料有限公司 | Compaction type solar cell panel back film fixing device |
| CN106654445A (en) * | 2016-11-15 | 2017-05-10 | 惠州市蓝微新源技术有限公司 | Liquid-cooled battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |