CN214753903U - Low-fault long-service-life lithium battery - Google Patents
Low-fault long-service-life lithium battery Download PDFInfo
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- CN214753903U CN214753903U CN202120334635.0U CN202120334635U CN214753903U CN 214753903 U CN214753903 U CN 214753903U CN 202120334635 U CN202120334635 U CN 202120334635U CN 214753903 U CN214753903 U CN 214753903U
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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 low trouble long service life's lithium cell, including lithium cell body, the last a pair of output joint that is connected with of lithium cell body, lithium cell body's the outside is equipped with cooling heat dissipation mechanism, cooling heat dissipation mechanism is including cooling protective housing, be equipped with the heat exchange board in the cooling protective housing, one side that the heat exchange board is close to lithium cell body is connected with the heat pipe, be equipped with capillary cooling net in the heat pipe, it has the coolant to fill between capillary cooling net and the heat pipe, one side that the heat pipe is close to output joint is equipped with the support guard plate, it has a plurality of evenly distributed's heat dissipation exhaust hole to cut on the support guard plate. The utility model discloses an increase corresponding cooling heat dissipation mechanism to the lithium cell, can cool off the heat dissipation to the lithium cell in the use, reduced the influence that the temperature produced lithium cell operating condition, prolonged the life of lithium cell, reduced the potential safety hazard in the lithium cell use, improved the stability in the lithium cell use.
Description
Technical Field
The utility model belongs to the technical field of the lithium cell, concretely relates to low trouble long service life's lithium cell.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution using lithium metal or a lithium alloy as a positive/negative electrode material, and can be roughly classified into two types: lithium metal batteries are generally batteries using manganese dioxide as a positive electrode material, metal lithium or alloy metal thereof as a negative electrode material, and a nonaqueous electrolyte solution; the lithium ion battery generally uses a lithium alloy metal oxide as a positive electrode material, graphite as a negative electrode material, and a nonaqueous electrolyte, and does not contain lithium in a metallic state and is chargeable.
The existing lithium battery cannot be cooled and dissipated in the use process due to the lack of a corresponding cooling and dissipating mechanism, the temperature can greatly affect the working state of the lithium battery, the service life of the lithium battery can be shortened when the temperature is high, the explosion condition of the lithium battery can occur seriously, the potential safety hazard in the use process of the lithium battery is improved, and the stability in the use process of the lithium battery is reduced.
Therefore, in view of the above technical problems, it is necessary to provide a lithium battery with low failure and long service life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low trouble long service life's lithium cell to the poor stability short service life's problem in solving above-mentioned lithium cell use.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
the utility model provides a low trouble long service life's lithium cell, includes lithium cell body, the last a pair of output joint that is connected with of lithium cell body, lithium cell body's the outside is equipped with cooling heat dissipation mechanism, cooling heat dissipation mechanism is including cooling protective housing, be equipped with the heat exchange board in the cooling protective housing, one side that the heat exchange board is close to lithium cell body is connected with the heat pipe, be equipped with capillary cooling net in the heat pipe, it has the coolant to fill between capillary cooling net and the heat pipe, one side that the heat pipe is close to output joint is equipped with the support guard plate, it has a plurality of evenly distributed's heat dissipation exhaust hole to cut on the support guard plate, be equipped with auxiliary cooling mechanism between heat exchange board and the cooling protective housing, auxiliary cooling mechanism and heat pipe phase-match.
Further, supplementary cooling body includes cooling fan, is convenient for play cooling's effect to the heat pipe through cooling fan through setting up cooling fan, has improved and has carried out cooling's effect to lithium cell body through the heat pipe, the last chisel of cooling protective housing have with cooling fan assorted mounting hole, be convenient for carry out fixed mounting to cooling fan through the mounting hole of digging on cooling protective housing, cooling fan's both sides all are connected with the impurity filter screen, are convenient for filter the dust removal to the air that enters into in the cooling protective housing through setting up the impurity filter screen, reduce the adverse effect that the cooling effect of dust to semiconductor refrigeration piece caused.
Furthermore, a semiconductor refrigerating sheet is arranged on one side of the impurity filter screen away from the cooling fan, and the semiconductor refrigerating sheet is arranged to facilitate the auxiliary cooling effect on the heat pipe, meanwhile, the cooling fan can generate gas with lower temperature under the action of the semiconductor refrigerating sheet, thereby improving the effect of cooling the heat pipe, one side of the semiconductor refrigerating sheet is connected with a conductive metal sheet which is convenient for controlling the conductive state of the semiconductor refrigerating sheet, thereby being convenient for controlling the refrigeration state of the semiconductor refrigeration sheet, the outer side of the conductive metal sheet is provided with a protective connecting seat, the protection connecting seat is convenient for play the effect of support and protection to electrically conductive sheetmetal through setting up, has reduced the influence that cooling fan operation in-process caused electrically conductive sheetmetal connection state, has improved the stability of controlling through electrically conductive sheetmetal to semiconductor refrigeration piece conducting state.
Further, one side that semiconductor refrigeration piece was kept away from to the protection connecting seat is equipped with the refrigeration power, is convenient for provide the refrigeration power for the semiconductor refrigeration piece through setting up the refrigeration power, be connected with the current output piece on the refrigeration power, be convenient for play the effect of deriving to the electric current of refrigeration power through setting up the current output piece, be equipped with thermal energy metal connecting piece between current output piece and the electrically conductive sheetmetal, be convenient for play the electrically conductive effect of intercommunication through thermal energy metal connecting piece to current output piece and refrigeration power.
Furthermore, one side of the thermal expansion metal connecting sheet, which is close to the heat exchange plate, is provided with a heat conduction fixing base, the thermal expansion metal connecting sheet and the auxiliary metal connecting sheet are conveniently fixed and supported by the heat conduction fixing base, and heat conduction of the heat exchange plate is conveniently carried out by the heat conduction fixing base.
Furthermore, the cooling fan is electrically connected with the semiconductor refrigeration sheet, the cooling fan can run along with the operation of the semiconductor refrigeration sheet by electrically connecting the cooling fan with the semiconductor refrigeration sheet, the stability of cooling the heat pipe by the cooling fan is improved, the thermal expansion coefficient of the auxiliary metal connecting sheet is larger than that of the thermal expansion metal connecting sheet, when the thermal expansion metal connecting sheet and the auxiliary metal connecting sheet are heated, the deformation of the auxiliary metal connecting sheet is larger than that of the thermal expansion metal connecting sheet according to the difference of the thermal expansion coefficients, so that the thermal expansion metal connecting sheet can communicate the conductive metal sheet with the refrigeration power supply under the action of the auxiliary metal connecting sheet, the operation states of the semiconductor refrigeration sheet and the cooling fan can be controlled according to the actual temperature of the heat exchange plate, and the energy consumption of the auxiliary cooling mechanism in the use process is reduced, meanwhile, the adverse effect of over-low temperature on the running state of the lithium battery body is reduced.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses an increase corresponding cooling heat dissipation mechanism to the lithium cell, can cool off the heat dissipation to the lithium cell in the use, reduced the influence that the temperature produced lithium cell operating condition, prolonged the life of lithium cell, reduced the potential safety hazard in the lithium cell use, improved the stability in the lithium cell use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of a lithium battery with low failure and long service life according to an embodiment of the present invention;
fig. 2 is a front cross-sectional view of a lithium battery with low failure and long service life according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a position a in fig. 2 according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a portion B in fig. 2 according to an embodiment of the present invention.
In the figure: 1. the lithium battery comprises a lithium battery body, 101, an output connector, 2, a cooling and heat dissipation mechanism, 201, a cooling protection shell, 202, a heat exchange plate, 203, a heat pipe, 204, a capillary cooling net, 205, a support protection plate, 3, an auxiliary cooling mechanism, 301, a cooling fan, 302, an impurity filter screen, 303, a semiconductor refrigeration sheet, 304, a conductive metal sheet, 305, a protection connecting seat, 306, a refrigeration power supply, 307, a current output sheet, 308, a thermal expansion metal connecting sheet, 309, a thermal conduction fixing seat and 310, and an auxiliary metal connecting sheet.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.
The utility model discloses a lithium battery with low failure and long service life, which is shown in figures 1-4 and comprises a lithium battery body 1, wherein a pair of output connectors 101 are connected on the lithium battery body 1, a cooling and heat dissipation mechanism 2 is arranged on the outer side of the lithium battery body 1, the cooling and heat-dissipating mechanism 2 is arranged to facilitate the cooling and heat-dissipating mechanism 2 to cool the lithium battery body 1, so as to reduce the influence of the temperature on the use state of the lithium battery body 1, the cooling and heat-dissipating mechanism 2 comprises a cooling protective shell 201, be convenient for play the effect of cooling protection to lithium cell body 1 through setting up cooling protective housing 201, be equipped with heat exchange plate 202 in the cooling protective housing 201, be convenient for carry out the heat exchange to heat pipe 203 through heat exchange plate 202, one side that heat exchange plate 202 is close to lithium cell body 1 is connected with heat pipe 203, be convenient for carry out the mode of heat exchange to lithium cell body 1 through heat pipe 203 and lithium cell body 1 and cool off the temperature.
Referring to fig. 1-3, a capillary cooling network 204 is disposed in the heat pipe 203, the capillary cooling network 204 is disposed in the heat pipe 203, so as to facilitate cooling and backflow of the coolant after heat absorption and gasification, thereby facilitating recycling of the coolant, a coolant is filled between the capillary cooling network 204 and the heat pipe 203, so as to facilitate cooling of the lithium battery body 1 by means of heat exchange between the coolant and the lithium battery body 1, a supporting and protecting plate 205 is disposed on a side of the heat pipe 203 near the output connector 101, so as to facilitate fixing and supporting the cooling and protecting housing 201 by the supporting and protecting plate 205, so as to facilitate subsequent cooling of the lithium battery body 1 by the heat pipe 203, a plurality of uniformly distributed heat dissipating and chiseling holes are formed in the supporting and protecting plate 205, so as to facilitate discharging hot air around the heat pipe 203, and an auxiliary cooling mechanism 3 is disposed between the heat exchanging plate 202 and the cooling and protecting housing 201, auxiliary cooling mechanism 3 and heat pipe 203 phase-match are convenient for play the effect of auxiliary cooling to heat pipe 203 through auxiliary cooling mechanism 3, have improved and have carried out the refrigerated effect of cooling down to lithium cell body 1 through heat pipe 203.
Referring to fig. 2, auxiliary cooling mechanism 3 includes cooling fan 301, cooling fan 301's model is 12025, power 4.08W, be convenient for play cooling's effect to heat pipe 203 through cooling fan 301 through setting up cooling fan 301, the effect of cooling down to lithium cell body 1 through heat pipe 203 has been improved, it has the mounting hole with cooling fan 301 assorted to open on cooling protective housing 201, be convenient for carry out fixed mounting to cooling fan 301 through opening the mounting hole on cooling protective housing 201, cooling fan 301's both sides all are connected with impurity filter screen 302, be convenient for filter the dust removal to the air that enters into cooling protective housing 201 through setting up impurity filter screen 302, reduce the adverse effect that the cooling effect of dust to semiconductor chip 303 caused.
Referring to fig. 2-4, a semiconductor chilling plate 303 is disposed on one side of an impurity filter screen 302 away from a cooling fan 301, the semiconductor chilling plate 303 is disposed to facilitate auxiliary cooling of a heat pipe 203, meanwhile, the cooling fan 301 can generate gas with a lower temperature under the action of the semiconductor chilling plate 303, so as to improve the cooling effect of the heat pipe 203, a conductive metal plate 304 is connected to one side of the semiconductor chilling plate 303, the conductive state of the semiconductor chilling plate 303 is controlled by disposing the conductive metal plate 304, so as to facilitate control of the cooling state of the semiconductor chilling plate 303, a protective connecting seat 305 is disposed on the outer side of the conductive metal plate 304, the protective connecting seat 305 is disposed to facilitate supporting and protecting the conductive metal plate 304, and influence on the connection state of the conductive metal plate 304 during operation of the cooling fan 301 is reduced, the stability of controlling the conductive state of the semiconductor chilling plate 303 through the conductive metal plate 304 is improved.
Referring to fig. 2 to 4, a refrigeration power supply 306 is arranged on one side of the protection connecting seat 305 away from the semiconductor chilling plate 303, the refrigeration power supply 306 is arranged to provide refrigeration power for the semiconductor chilling plate 303, a current output plate 307 is connected to the refrigeration power supply 306, the current of the refrigeration power supply 306 is led out by arranging the current output plate 307, and a thermal expansion metal connecting plate 308 is arranged between the current output plate 307 and the conductive metal plate 304, so that the current output plate 307 and the refrigeration power supply 306 are communicated and conducted through the thermal expansion metal connecting plate 308.
Referring to fig. 2 to 4, a heat conducting fixing seat 309 is disposed on a side of the thermal expansion metal connecting plate 308 close to the heat exchange plate 202, the heat conducting fixing seat 309 is disposed to facilitate fixing and supporting the thermal expansion metal connecting plate 308 and the auxiliary metal connecting plate 310, and at the same time, heat conduction is performed on the heat exchange plate 202 through the heat conducting fixing seat 309, the auxiliary metal connecting plate 310 is connected between the heat conducting fixing seat 309 and the thermal expansion metal connecting plate 308, and the auxiliary metal connecting plate 310 is configured to connect the heat conducting fixing seat 309 and the thermal expansion metal connecting plate 308, so as to facilitate fixing and supporting the thermal expansion metal connecting plate 308.
Referring to fig. 2-4, the cooling fan 301 is electrically connected to the semiconductor chilling plate 303, so that the cooling fan 301 operates along with the operation of the semiconductor chilling plate 303, the cooling stability of the heat pipe 203 by the cooling fan 301 is improved, the thermal expansion coefficient of the auxiliary metal connecting plate 310 is greater than that of the thermal expansion metal connecting plate 308, so that when the thermal expansion metal connecting plate 308 and the auxiliary metal connecting plate 310 are heated, the deformation of the auxiliary metal connecting plate 310 is greater than that of the thermal expansion metal connecting plate 308 according to the difference of the thermal expansion coefficients, so that the thermal expansion metal connecting plate 308 communicates the conductive metal plate 304 with the refrigeration power supply 306 under the action of the auxiliary metal connecting plate 310, and the operation states of the semiconductor chilling plate 303 and the cooling fan 301 are controlled according to the actual temperature of the heat exchange plate 202, the energy consumption of the auxiliary cooling mechanism 3 in the using process is reduced, and the adverse effect of the excessively low temperature on the running state of the lithium battery body 1 is reduced.
During specific use, carry out the mode of heat exchange through heat pipe 203 and lithium cell body 1 and carry out cooling to lithium cell body 1, accessible heat exchange plate 202 plays the effect of heat conduction to heat pipe 203 simultaneously, when thermal expansion metal connecting piece 308 takes place deformation with supplementary metal connecting piece 310 under heat exchange plate 202's effect, electrically conductive metal piece 304 communicates with refrigeration power 306 under thermal expansion metal connecting piece 308's effect, cooling fan 301 and semiconductor refrigeration piece 303 circular telegram this moment, play the radiating effect of cooling through cooling fan 301's operation to heat pipe 203, semiconductor refrigeration piece 303 has refrigerated effect after the circular telegram simultaneously, be convenient for play the effect of supplementary cooling to heat pipe 203 through cooling fan 301 and semiconductor refrigeration piece 303, the effect of cooling to lithium cell body 1 has been improved.
According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:
the utility model discloses an increase corresponding cooling heat dissipation mechanism to the lithium cell, can cool off the heat dissipation to the lithium cell in the use, reduced the influence that the temperature produced lithium cell operating condition, prolonged the life of lithium cell, reduced the potential safety hazard in the lithium cell use, improved the stability in the lithium cell use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a low trouble long service life's lithium cell, includes lithium cell body (1), its characterized in that, be connected with a pair of output joint (101) on lithium cell body (1), the outside of lithium cell body (1) is equipped with cooling heat dissipation mechanism (2), cooling heat dissipation mechanism (2) are including cooling protective housing (201), be equipped with heat exchange plate (202) in cooling protective housing (201), one side that heat exchange plate (202) are close to lithium cell body (1) is connected with heat pipe (203), be equipped with capillary cooling net (204) in heat pipe (203), it has the coolant to fill between capillary cooling net (204) and heat pipe (203), one side that heat pipe (203) are close to output joint (101) is equipped with support guard plate (205), it has a plurality of evenly distributed's heat dissipation exhaust hole to cut on support guard plate (205), an auxiliary cooling mechanism (3) is arranged between the heat exchange plate (202) and the cooling protective shell (201), and the auxiliary cooling mechanism (3) is matched with the heat pipe (203).
2. The lithium battery with low fault service life according to claim 1, characterized in that the auxiliary cooling mechanism (3) comprises a cooling fan (301), the cooling protective shell (201) is provided with a mounting hole matched with the cooling fan (301), and both sides of the cooling fan (301) are connected with impurity filtering screens (302).
3. The lithium battery with low fault and long service life according to claim 2, characterized in that a semiconductor refrigerating sheet (303) is arranged on one side of the impurity filtering net (302) far away from the cooling fan (301), a conductive metal sheet (304) is connected to one side of the semiconductor refrigerating sheet (303), and a protective connecting seat (305) is arranged on the outer side of the conductive metal sheet (304).
4. A lithium battery as claimed in claim 3, characterized in that a refrigeration power supply (306) is provided on the side of the protective connecting seat (305) far from the semiconductor refrigeration sheet (303), a current output sheet (307) is connected to the refrigeration power supply (306), and a thermal expansion metal connecting sheet (308) is provided between the current output sheet (307) and the conductive metal sheet (304).
5. A lithium battery with low failure and long service life according to claim 4, characterized in that the side of the thermal expansion metal connecting plate (308) close to the heat exchange plate (202) is provided with a heat conducting fixing seat (309), and an auxiliary metal connecting plate (310) is connected between the heat conducting fixing seat (309) and the thermal expansion metal connecting plate (308).
6. A lithium battery with low failure and long service life according to claim 5, characterized in that the cooling fan (301) is electrically connected with the semiconductor cooling plate (303), and the thermal expansion coefficient of the auxiliary metal connecting plate (310) is larger than that of the thermal expansion metal connecting plate (308).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120334635.0U CN214753903U (en) | 2021-02-05 | 2021-02-05 | Low-fault long-service-life lithium battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120334635.0U CN214753903U (en) | 2021-02-05 | 2021-02-05 | Low-fault long-service-life lithium battery |
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| CN214753903U true CN214753903U (en) | 2021-11-16 |
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| CN202120334635.0U Active CN214753903U (en) | 2021-02-05 | 2021-02-05 | Low-fault long-service-life lithium battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069099A (en) * | 2021-11-17 | 2022-02-18 | 江苏宗申车业有限公司 | Long-life lithium ion power battery for passenger tricycle |
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2021
- 2021-02-05 CN CN202120334635.0U patent/CN214753903U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069099A (en) * | 2021-11-17 | 2022-02-18 | 江苏宗申车业有限公司 | Long-life lithium ion power battery for passenger tricycle |
| CN114069099B (en) * | 2021-11-17 | 2023-12-26 | 江苏宗申车业有限公司 | Long-life lithium ion power battery for passenger tricycle |
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