CN117199639A - Heat dissipation type lithium iron phosphate energy storage device - Google Patents
Heat dissipation type lithium iron phosphate energy storage device Download PDFInfo
- Publication number
- CN117199639A CN117199639A CN202310803354.9A CN202310803354A CN117199639A CN 117199639 A CN117199639 A CN 117199639A CN 202310803354 A CN202310803354 A CN 202310803354A CN 117199639 A CN117199639 A CN 117199639A
- Authority
- CN
- China
- Prior art keywords
- iron phosphate
- lithium iron
- plates
- base
- storage device
- 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.)
- Granted
Links
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 26
- 238000004146 energy storage Methods 0.000 title claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 11
- 239000011810 insulating material Substances 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 230000002035 prolonged effect Effects 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910010701 LiFeP Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Landscapes
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a heat dissipation type lithium iron phosphate energy storage device, which is characterized by comprising: a base configured as a cavity therein; the limiting plates are made of insulating materials and symmetrically fixed at the front end and the rear end of the upper end of the base, and are used for limiting the front side and the rear side of the battery module; the side plates are made of insulating materials and symmetrically fixed at the left end and the right end of the upper end face of the base, and are used for pre-limiting the left side and the right side of the battery module; the air cooler is arranged at one side of the side plate, which is far away from each other, and the air cooler and the inner cavity of the base are communicated by adopting a connecting pipe; and two adjusting assemblies are configured and symmetrically arranged between the two side plates, and the adjusting assemblies are used for completely limiting the left side and the right side of the battery module.
Description
Technical Field
The invention relates to the technical field of lithium iron phosphate batteries, in particular to a heat dissipation type lithium iron phosphate energy storage device.
Background
The lithium iron phosphate energy storage device, namely a lithium ion battery using lithium iron phosphate (LiFeP 04) as a positive electrode material and carbon as a negative electrode material, has the advantages of high working voltage, high energy density, long cycle life, good safety performance, small self-discharge rate and no memory effect, and is widely applied.
The lithium iron phosphate battery generates a large amount of heat due to internal resistance and thermal decomposition in electrolyte in the working process, if the heat of the lithium iron phosphate battery is not dissipated, the lithium iron phosphate battery shell is heated and expanded, so that the stability of the lithium iron phosphate battery is affected, the battery performance is greatly reduced due to high temperature, the service life is also irreversibly reduced, the conventional cooling device adopts a fan for constant-pressure cooling, the cooling effect is constant, the corresponding cooling treatment cannot be timely performed for the temperature rise of various conditions, and the service life of the battery is gradually shortened over time.
Therefore, it is necessary to provide a heat dissipation type lithium iron phosphate energy storage device to solve the above-mentioned problems in the prior art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: a heat-dissipating lithium iron phosphate energy storage device, comprising:
a base configured as a cavity therein;
the limiting plates are made of insulating materials and symmetrically fixed at the front end and the rear end of the upper end of the base, and are used for limiting the front side and the rear side of the battery module;
the side plates are made of insulating materials and symmetrically fixed at the left end and the right end of the upper end face of the base, and are used for pre-limiting the left side and the right side of the battery module;
the air cooler is arranged at one side of the side plate, which is far away from each other, and the air cooler and the inner cavity of the base are communicated by adopting a connecting pipe; and
the adjusting assemblies are configured to be two, are symmetrically arranged between the two side plates, and are used for completely limiting the left side and the right side of the battery module.
Further, preferably, the upper end panel of the base is internally provided with a hollow layer, and the upper end surface of the base penetrates through the hollow layer to linearly form a plurality of ventilation grooves, and air deflectors are symmetrically arranged in the hollow layer in a sealing sliding manner.
Further, preferably, the two air deflectors are connected by a compression spring, and an expansion liquid is contained in a closed space formed by the two air deflectors and the base.
Further, preferably, the air deflector is provided with a plurality of air guide grooves, and the air guide grooves are used for adjusting the air output of the air guide grooves.
Further, preferably, the adjusting assembly includes:
the connecting plate is detachably arranged between the two side plates and is positioned at the upper end part of the side plate; and
the guide partition plates are configured with a plurality of guide partition plates and are fixed on the lower end face of the connecting plate, the guide partition plates are linearly distributed between the two side plates, and the guide partition plates are used for separating a plurality of battery packs forming the battery module.
Further, preferably, a guide groove is formed in the central portion of the guide partition plate, and an adjusting plate is symmetrically and hermetically slidably arranged in the guide groove, and an expansion liquid is contained in a closed space formed by the two adjusting plates and the guide partition plate.
Further, preferably, a plurality of return springs are provided between the two adjusting plates adjacent to the two side plates and the side plates.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, when the temperature of the whole battery module rises suddenly, the expansion liquid expands to break loose the constraint of the compression spring, so that the air guide plate can move to two sides, the shielding area of the air guide groove to the ventilation groove is increased, the air output is increased, the cooling effect on the whole battery module is further increased, the temperature of the whole battery module is always kept at a constant value, and the service life of the battery is prolonged.
In the invention, when the temperature of one battery pack suddenly rises, the expansion liquid at two sides of the battery pack expands and pushes the corresponding two adjusting plates to move backwards, so that two adjacent battery packs of the battery pack are pushed to move backwards, the area of the ventilation groove exposed at two sides of the battery pack is increased, the air output is increased, and the cooling effect on the battery pack is increased; meanwhile, the distance between the battery packs and the two adjacent battery packs is increased, the heat conduction probability between the battery packs is reduced, secondary damage to the battery module is avoided, and the service life of the battery is further prolonged.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a heat dissipation type lithium iron phosphate energy storage device;
FIG. 2 is a schematic diagram of a conditioning assembly of a heat dissipating lithium iron phosphate energy storage device;
FIG. 3 is a cross-sectional view of a base of a heat dissipating lithium iron phosphate energy storage device;
FIG. 4 is an isometric view of a base of a heat dissipating lithium iron phosphate energy storage device;
FIG. 5 is a front cross-sectional view of the overall structure of a heat dissipating lithium iron phosphate energy storage device;
in the figure: 1. a base; 2. a limiting plate; 3. a side plate; 4. an air cooler; 5. an adjustment assembly; 11. a ventilation groove; 12. an air deflector; 13. a compression spring; 14. an air guide groove; 51. a connecting plate; 52. a guide partition; 53. an adjusting plate; 54. and a return spring.
Detailed Description
Referring to fig. 1-5, in the present embodiment, a heat dissipation type lithium iron phosphate energy storage device includes:
a base 1 configured as a cavity therein;
the limiting plates 2 are made of insulating materials and are symmetrically fixed at the front end and the rear end of the upper end face of the base 1, and the limiting plates 2 are used for limiting the front side and the rear side of the battery module;
the side plates 3 are made of insulating materials and are symmetrically fixed at the left end and the right end of the upper end face of the base 1, and the side plates 3 are used for pre-limiting the left side and the right side of the battery module;
the air cooler 4 is arranged on one side, away from each other, of the side plates 3, and the air cooler 4 and the inner cavity of the base 1 are communicated by adopting a connecting pipe; and
the two adjusting assemblies 5 are symmetrically arranged between the two side plates 3, and the adjusting assemblies 5 are used for completely limiting the left side and the right side of the battery module.
Wherein, two limiting plates 2 and two curb plates 3 top still detachably are provided with the apron (not shown in the figure) that will battery module is spacing completely, and have seted up a plurality of ventholes on the apron.
In a preferred embodiment, the upper panel of the base 1 is configured as a hollow layer, and the upper end surface of the base 1 is linearly provided with a plurality of ventilation slots 11 penetrating through the hollow layer, and air deflectors 12 are symmetrically and hermetically slidably arranged in the hollow layer.
In a preferred embodiment, the two air deflectors 12 are connected by a compression spring 13, and an expansion liquid is contained in a closed space formed by the two air deflectors 12 and the base 1.
As a preferred embodiment, the air deflector 12 is provided with a plurality of air guiding grooves 14, and the air guiding grooves 14 are used for adjusting the air output of the ventilation groove 11.
It should be explained that, when the temperature of the whole battery module rises suddenly, the expansion liquid is induced to expand to break loose the constraint of the compression spring 13, so that the air deflector 12 moves to two sides, the shielding area of the air guide groove 14 to the ventilation groove 11 is increased, the air output is increased, and the cooling effect on the whole battery module is increased, that is, the whole battery module temperature rises correspondingly, the cooling effect is also synchronously enhanced, so that the whole battery module temperature is always kept at a constant value, and the service life of the battery is prolonged.
As a preferred embodiment, the adjusting assembly 5 comprises:
a connection plate 51 detachably installed between the two side plates 3 and located at an upper end portion of the side plate 3; and
a plurality of guide spacers 52 are disposed and fixed to the lower end surface of the connection plate 51, the guide spacers 52 are linearly arranged between the two side plates 3, and the guide spacers 52 are used to divide a plurality of battery packs constituting the battery module.
In a preferred embodiment, a guide groove is formed in the central portion of the guide partition plate 52, and an adjusting plate 53 is symmetrically and hermetically slidably disposed in the guide groove, and an expansion liquid is contained in a closed space formed by the two adjusting plates 53 and the guide partition plate 52.
It should be explained that when the temperature of one of the battery packs suddenly increases, the ambient temperature will also increase, and the expansion liquid at both sides of the battery pack rapidly expands and pushes the corresponding two adjusting plates 53 to move backward, so as to push the two adjacent battery packs to move backward, so that the area of the ventilation slot 11 exposed at both sides of the battery pack is increased, the air output is increased, and the cooling effect on the battery pack is increased; meanwhile, the distance between the battery packs and the two adjacent battery packs is increased, the heat conduction probability between the battery packs is reduced, secondary damage to the battery module is avoided, and the service life of the battery is further prolonged.
As a preferred embodiment, a plurality of return springs 54 are provided between the two adjusting plates 53 adjacent to the two side plates 3 and the side plates 3.
It should be noted that, when cooling of a certain battery pack is completed, the return spring 54 can urge each regulating plate 53 to return to a uniformly dispersed state, thereby returning to the same cooling state.
Specifically, when implementing, install the battery package in the space that limiting plate 2 and curb plate 3 formed, rethread adjusting part 5 is equidistant dispersion with a plurality of battery packages, afterwards, the blanking plate, connect each components and parts, start air-cooler 4, work begins, when the whole temperature of battery module rises, through the removal of aviation baffle 12, increase whole air output, correspondingly also can strengthen its cooling effect simultaneously, make whole battery module temperature keep at the invariable value always, thereby the life of battery has been improved, when the temperature of a certain battery package rises suddenly, through the removal of its both sides regulating plate 53, increase the ventilation volume of this battery package both sides, thereby increase and concentrate the cooling effect to this battery package, this battery package is apart from two adjacent battery package distance increase simultaneously, the heat conduction probability between the battery package has been reduced, avoid the secondary damage to the battery module.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. A heat-dissipating lithium iron phosphate energy storage device, comprising:
a base (1) configured as a cavity therein;
the limiting plates (2) are made of insulating materials and are symmetrically fixed at the front end and the rear end of the upper end face of the base (1), and the limiting plates (2) are used for limiting the front side and the rear side of the battery module;
the side plates (3) are made of insulating materials and are symmetrically fixed at the left end and the right end of the upper end face of the base (1), and the side plates (3) are used for pre-limiting the left side and the right side of the battery module;
the air cooler (4) is arranged on one side of the side plate (3) which is far away from each other, and the air cooler (4) and the inner cavity of the base (1) are communicated by adopting a connecting pipe; and
the adjusting assemblies (5) are arranged in two, are symmetrically arranged between the two side plates (3), and the adjusting assemblies (5) are used for completely limiting the left side and the right side of the battery module.
2. The heat dissipation type lithium iron phosphate energy storage device according to claim 1, wherein a hollow layer is arranged in an upper end panel of the base (1), a plurality of ventilation grooves (11) are linearly formed in the upper end surface of the base (1) penetrating through the hollow layer, and air deflectors (12) are symmetrically arranged in the hollow layer in a sealing sliding manner.
3. The heat dissipation type lithium iron phosphate energy storage device according to claim 2, wherein two air deflectors (12) are connected by adopting a compression spring (13), and an expansion liquid is contained in a closed space formed by the two air deflectors (12) and the base (1).
4. A heat dissipation type lithium iron phosphate energy storage device according to claim 3, wherein a plurality of air guide grooves (14) are formed in the air guide plate (12), and the air guide grooves (14) are used for adjusting the air output of the ventilation grooves (11).
5. A heat dissipating lithium iron phosphate energy storage device according to claim 1, characterized in that the conditioning assembly (5) comprises:
a connecting plate (51) detachably mounted between the two side plates (3) and positioned at the upper end parts of the side plates (3); and
and a plurality of guide separators (52) which are arranged and are fixed on the lower end surface of the connecting plate (51), wherein the guide separators (52) are linearly distributed between the two side plates (3), and the guide separators (52) are used for separating a plurality of battery packs forming the battery module.
6. The heat dissipation type lithium iron phosphate energy storage device as set forth in claim 5, wherein a guide groove is formed in the central portion of the guide partition plate (52), adjusting plates (53) are symmetrically and hermetically slidably arranged in the guide groove, and an expansion liquid is contained in a closed space formed by the two adjusting plates (53) and the guide partition plate (52).
7. A heat dissipating lithium iron phosphate energy storage device according to claim 6, characterized in that a plurality of return springs (54) are arranged between the two adjusting plates (53) adjacent to the two side plates (3) and the side plates (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310803354.9A CN117199639B (en) | 2023-07-03 | 2023-07-03 | Heat dissipation type lithium iron phosphate energy storage device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310803354.9A CN117199639B (en) | 2023-07-03 | 2023-07-03 | Heat dissipation type lithium iron phosphate energy storage device |
Publications (2)
Publication Number | Publication Date |
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CN117199639A true CN117199639A (en) | 2023-12-08 |
CN117199639B CN117199639B (en) | 2024-04-26 |
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CN202310803354.9A Active CN117199639B (en) | 2023-07-03 | 2023-07-03 | Heat dissipation type lithium iron phosphate energy storage device |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108878714A (en) * | 2018-06-27 | 2018-11-23 | 芜湖盘云石磨新能源科技有限公司 | A kind of Portable lithium ion cell energy storage device |
CN110534669A (en) * | 2018-05-26 | 2019-12-03 | 孝感市创客电子科技有限公司 | A kind of energy-saving and environment-friendly battery modules |
CN210489778U (en) * | 2019-07-04 | 2020-05-08 | 广东迪度新能源有限公司 | Lithium iron phosphate battery heat management device |
CN112635894A (en) * | 2020-12-08 | 2021-04-09 | 华东交通大学 | Lithium ion power battery pack composite heat management system with safety device |
CN113659229A (en) * | 2021-07-02 | 2021-11-16 | 上海轶源动力科技有限公司 | Battery module heat radiation structure for electric vehicle |
KR102328095B1 (en) * | 2021-02-18 | 2021-11-17 | 김신우 | Lithium ion battery module |
CN215816161U (en) * | 2021-06-02 | 2022-02-11 | 十堰安远专用汽车有限公司 | Lithium ion battery pack |
CN115939652A (en) * | 2022-12-13 | 2023-04-07 | 安徽艾克瑞德科技有限公司 | Lithium iron phosphate battery pack structure |
CN116259911A (en) * | 2023-03-22 | 2023-06-13 | 常州机电职业技术学院 | New energy battery pack |
-
2023
- 2023-07-03 CN CN202310803354.9A patent/CN117199639B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110534669A (en) * | 2018-05-26 | 2019-12-03 | 孝感市创客电子科技有限公司 | A kind of energy-saving and environment-friendly battery modules |
CN108878714A (en) * | 2018-06-27 | 2018-11-23 | 芜湖盘云石磨新能源科技有限公司 | A kind of Portable lithium ion cell energy storage device |
CN210489778U (en) * | 2019-07-04 | 2020-05-08 | 广东迪度新能源有限公司 | Lithium iron phosphate battery heat management device |
CN112635894A (en) * | 2020-12-08 | 2021-04-09 | 华东交通大学 | Lithium ion power battery pack composite heat management system with safety device |
KR102328095B1 (en) * | 2021-02-18 | 2021-11-17 | 김신우 | Lithium ion battery module |
CN215816161U (en) * | 2021-06-02 | 2022-02-11 | 十堰安远专用汽车有限公司 | Lithium ion battery pack |
CN113659229A (en) * | 2021-07-02 | 2021-11-16 | 上海轶源动力科技有限公司 | Battery module heat radiation structure for electric vehicle |
CN115939652A (en) * | 2022-12-13 | 2023-04-07 | 安徽艾克瑞德科技有限公司 | Lithium iron phosphate battery pack structure |
CN116259911A (en) * | 2023-03-22 | 2023-06-13 | 常州机电职业技术学院 | New energy battery pack |
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