CN213989031U - Spontaneous combustion preventing power lithium battery pack for vehicle - Google Patents
Spontaneous combustion preventing power lithium battery pack for vehicle Download PDFInfo
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- CN213989031U CN213989031U CN202022885948.3U CN202022885948U CN213989031U CN 213989031 U CN213989031 U CN 213989031U CN 202022885948 U CN202022885948 U CN 202022885948U CN 213989031 U CN213989031 U CN 213989031U
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- fire
- battery pack
- lithium battery
- lithium cell
- cell group
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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
Abstract
The utility model discloses an automobile-used spontaneous combustion power lithium cell group of preventing, include the shell body, locate the inside a plurality of cavities of shell body, arbitrary be equipped with lithium cell group in the middle of the inside of cavity, arbitrary there is support piece inside four corners position department of cavity all through spring coupling, lithium cell group's four corners all with support piece looks adaptation, arbitrary the inside both sides of cavity all bond has fire-retardant pad, arbitrary one side of fire-retardant pad all contacts with lithium cell group through the bag of putting out a fire, and is a plurality of the pressure release hole that extends to the shell body outside is all seted up to the inside below of cavity, arbitrary the inside below in pressure release hole is connected with the rubber film, the utility model has the advantages of high in service safety, long service life, excellent in use effect, have very high practical value and spreading value in lithium cell group technical field.
Description
Technical Field
The utility model relates to a lithium cell group technical field specifically is an automobile-used spontaneous combustion power lithium cell group of preventing.
Background
Current power lithium cell group, most all adopt packaging structure with the shell, consequently lead to power lithium cell group to use the back for a long time, the inside meeting of shell body gathers a large amount of heat waste gas, and these heat waste gases are difficult to distribute away, consequently very easily lead to lithium cell group to take place the burning explosion, thereby influence the life and the safety in utilization of lithium cell greatly, and the lithium cell is difficult to in time put out a fire the isolation to the lithium cell after unexpected spontaneous combustion, thereby very easily cause the incident to take place.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile-used spontaneous combustion power lithium cell group of preventing to the heat waste gas of the production that proposes in solving above-mentioned background art is difficult to distribute away, causes the lithium cell group flammable and explosive, influences lithium cell life and safety in utilization, and is difficult to in time put out a fire the isolation to the lithium cell after the unexpected spontaneous combustion of lithium cell, easily causes the problem that the incident takes place.
In order to achieve the above object, the utility model adopts the following technical scheme:
a vehicle spontaneous combustion-proof power lithium battery pack comprises an outer shell and a plurality of chambers arranged inside the outer shell, wherein a lithium battery pack is arranged in the middle of the inside of any chamber, the four corners of the inside of any chamber are respectively connected with a supporting piece through springs, the four corners of the lithium battery pack are matched with the supporting pieces, flame-retardant pads are respectively bonded on the two sides of the inside of any chamber, one side of each flame-retardant pad is contacted with the lithium battery pack through a fire extinguishing bag, pressure relief holes extending to the outside of the outer shell are respectively formed in the lower parts of the insides of the chambers, a rubber soft sheet is connected with the lower part of the inside of any pressure relief hole, a cross seam is formed in the surface of each rubber soft sheet, a dust screen is connected above the inside of any pressure relief hole, cooling assemblies are respectively arranged on the two sides of the top of the outer shell, and each cooling assembly comprises a cooling pipe which is horizontally arranged, and the lower surface of the pipe wall of each cooling assembly is contacted with the lithium battery pack, the cooling device is characterized in that a plurality of baffles are distributed inside the cooling pipe in a staggered mode, the two ends of the cooling pipe in the length direction are connected with a liquid inlet pipe and a liquid outlet pipe respectively, and the upper surface of the pipe wall of the cooling pipe is connected with a plurality of radiating fins.
Preferably, the fire extinguishing bags are arranged on the inner side of the fire-retardant cushion at equal intervals, any one of the fire extinguishing bags is made of low-melting-point polymer, and a fire retardant is arranged inside any one of the fire extinguishing bags.
Preferably, the inner wall of the outer shell is provided with a heat insulation layer.
Preferably, any one of the supporting pieces is L-shaped, and any one of the supporting pieces is made of nylon.
Preferably, the bottom of a plurality of the heat radiating fins extends to the inside of the cooling tube, and any one of the heat radiating fins is made of copper.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses set up cooling assembly ingeniously, because cooling assembly includes the cooling tube, the baffle, radiating fin, feed liquor pipe and drain pipe, and the bottom of cooling tube contacts with the lithium cell group, and a plurality of baffles distribute in the inside of cooling tube in a staggered manner, therefore when lithium cell group long-time working process produced heat, through the coolant liquid that the feed liquor pipe got into to the cooling tube, when flowing in the cooling tube, the baffle can block the coolant liquid, thereby slow down the velocity of flow of coolant liquid in the cooling tube, so as to prolong the contact time of coolant liquid and lithium cell group, and then make the coolant liquid absorb the heat that the battery group produced when working, and distribute the heat through the fin, so as to distribute the heat that gathers inside the shell body fast, realize fast cooling to the lithium cell group, avoid the lithium cell group to take place spontaneous combustion because of high temperature, thereby greatly improving the service life and the use effect of the lithium battery pack.
(2) The utility model discloses be provided with the pressure release hole ingeniously, the inside below of cavity is seted up in the pressure release hole and is linked together with the external world, and the inside below in pressure release hole is connected with the film, and the cross seam has been seted up on the surface of film, the inside top in pressure release hole is connected with the dust screen simultaneously, consequently, when lithium cell group in the shell body takes place to damage because of the quality after long-time work and produces a large amount of waste gas, waste gas can get into to the pressure release hole and promote the film and open through the cross seam, so that waste gas passes through the pressure release hole and discharges to the shell body outside, avoid waste gas to gather inside the shell body and cause the group battery explosion, thereby improve the security of lithium cell group greatly, and the dust screen can avoid the dust to get into the inside to the shell body.
(3) The utility model discloses be provided with fire-retardant pad and fire-extinguishing bag ingeniously, because fire-retardant pad is located the inside both sides of cavity, and a plurality of fire-extinguishing bag equidistance arrange in fire-retardant pad's inboard, and be equipped with the fire retardant in arbitrary fire-extinguishing bag, consequently when the spontaneous combustion takes place for the lithium cell, the fire-extinguishing bag receives high temperature and toasts and can melt gradually to make the fire extinguishing agent in the bag flow with this and in time put out a fire the isolation to lithium cell group, avoid causing the incident to take place, thereby improve the safety in utilization of lithium cell group.
(4) The utility model discloses be provided with support piece and spring ingeniously, because a plurality of support piece are the L type, and a plurality of support piece all with the four corners looks adaptation of lithium cell group, consequently support piece and spring can support buffer protection to the four corners position department of lithium cell group, avoid the four corners position of lithium cell group to receive the collision and take place to damage to improve the life of lithium cell group greatly.
(5) The utility model discloses be equipped with the insulating layer at the inner wall of shell body ingeniously, through the setting of insulating layer, can avoid external environment's heat conduction to the inside of shell body to this greatly reduced external environment causes the influence to the operating mode of the inside lithium cell group of shell body, thereby makes lithium cell group remain throughout to carry out work under a stable environment, and the result of use that makes lithium cell group is better with this.
To sum up, the utility model has the advantages of high, long service life, excellent in use effect of safety in utilization and the like, have very high practical value and spreading value in lithium cell group technical field.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as a limitation of the scope of protection, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of a part of the structure of the present invention.
Fig. 3 is an enlarged schematic view of a local structure of B of the present invention.
Fig. 4 is a schematic bottom partial structure of the present invention.
In the drawings, the names of the parts corresponding to the reference numerals are as follows:
1. an outer housing; 2. a lithium battery pack; 3. a support member; 4. a spring; 5. a flame retardant pad; 6. a fire-extinguishing bag; 7. a cooling assembly; 71. a cooling tube; 72. a baffle plate; 73. a heat dissipating fin; 74. a liquid inlet pipe; 75. a liquid outlet pipe; 8. a pressure relief vent; 81. a rubber sheet; 82. a dust screen; 9. a thermal insulation layer; 10. a chamber.
Detailed Description
To make the objectives, technical solutions and advantages of the present application more clear, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.
Referring to fig. 1-4, the present invention provides a technical solution: a vehicle spontaneous combustion-proof power lithium battery pack is characterized in that a lithium battery pack 2 is arranged in the middle of the inside of any cavity 10, the four corners of the inside of any cavity 10 are connected with supporting pieces 3 through springs 4, the four corners of the lithium battery pack 2 are matched with the supporting pieces 3, two sides of the inside of any cavity 10 are respectively bonded with a flame-retardant pad 5, one side of any flame-retardant pad 5 is contacted with the lithium battery pack 2 through a fire extinguishing bag 6, pressure relief holes 8 extending to the outside of an outer shell 1 are formed in the lower parts of the insides of a plurality of cavities 10, a rubber sheet 81 is connected to the lower part of the inside of any pressure relief hole 8, a cross seam is formed in the surface of the rubber sheet 81, a dustproof net 82 is connected to the upper part of the inside of any pressure relief hole 8, cooling assemblies 7 are arranged on two sides of the top of the outer shell 1, each cooling assembly 7 comprises a cooling pipe 71 which is horizontally arranged, and the pipe wall of each cooling assembly 7 is contacted with the lithium battery pack 2, the inside staggered distribution of cooling tube 71 has a plurality of baffles 72, and the length direction both ends of cooling tube 71 are connected with feed liquor pipe 74 and drain pipe 75 respectively, and the pipe wall upper surface of cooling tube 71 is connected with a plurality of radiating fins 73, and the setting of a plurality of radiating fins 73 can distribute fast the absorptive heat of cooling liquid in cooling tube 71 to the realization carries out rapid cooling to lithium cell group 2.
It is specific, fire-extinguishing bag 6 is provided with a plurality ofly, 6 equidistance arrangements of a plurality of fire-extinguishing bags are in fire-retardant pad 5's inboard, arbitrary fire-extinguishing bag 6 is made by low melting point polymer, arbitrary fire-extinguishing bag 6's inside is equipped with the fire retardant, it melts to be convenient for fire-extinguishing bag 6 receives high temperature to toast the mouth and appear, thereby make its inside fire retardant flow, with this keep apart the fire extinguishing to the lithium cell group after the spontaneous combustion, the inner wall of shell body 1 is equipped with insulating layer 9, the setting of insulating layer 9, can avoid external environment's heat conduction to shell body 1 inside, with this greatly reduced external environment causes the influence to the operating mode of the 1 inside lithium cell group 2 of shell body, thereby make lithium cell group 2 remain throughout and carry out work under a stable environment, with this result of use that makes lithium cell group 2 better.
Specifically, arbitrary support piece 3 is the L type, and arbitrary support piece 3 is made by nylon, and the support piece 3 of being convenient for supports the protection to the four corners position department of lithium cell group 2, and the nylon material can increase support piece 3's intensity, avoids support piece 3 fracture damage.
Specifically, the bottoms of the plurality of heat dissipation fins 73 extend into the cooling tube 71, and any one of the heat dissipation fins 73 is made of copper, so that the heat dissipation fins 73 can dissipate heat absorbed by the cooling fluid in the cooling tube 71, and the copper can improve the heat conduction performance of the heat dissipation fins 73.
The working principle of the present invention is briefly explained as follows:
firstly, a user can firstly add cooling liquid into the cooling pipe 71 through the liquid inlet pipe 74, when the lithium battery pack 2 in the inner cavity 10 of the outer shell 1 generates heat in the long-time working process, the cooling liquid entering into the cooling pipe 71 through the liquid inlet pipe 74 can flow in the cooling pipe 71, the baffle plate 72 can block the cooling liquid, so as to slow down the flow velocity of the cooling liquid in the cooling pipe 71, thereby prolonging the contact time of the cooling liquid and the lithium battery pack 2, further leading the cooling liquid to absorb the heat generated when the lithium battery pack 2 works, and radiating the heat through the radiating fin 73, thereby quickly radiating the heat accumulated inside the outer shell 1, and because the heat-insulating layer 9 is positioned on the inner wall of the outer shell 1, the heat of the external environment is prevented from being conducted to the inside of the outer shell 1, thereby greatly reducing the influence of the external environment on the working condition of the lithium battery pack 2 inside the outer shell 1, thereby make lithium cell group 2 remain throughout and carry out work under a stable environment, and treat that lithium cell group 2 produces a large amount of waste gas because of the quality damage after long-time work, waste gas can enter into in the pressure release hole 8 and promote rubber film 81 to open through the cross seam, so that waste gas passes through pressure release hole 8 and discharges to shell body 1 outside, and dust screen 82 can avoid the dust to enter into the inside to shell body 1, and when joining lithium cell group 2 and taking place the spontaneous combustion, fire bag 6 receives high temperature to toast and can gradually melt, thereby make the fire extinguishing agent in fire bag 6 flow with this in time put out a fire and keep apart lithium cell group 2, avoid causing the incident to take place.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and are not limitations on the protection scope of the present invention, but all the changes made by adopting the design principle of the present invention and performing non-creative work on this basis shall fall within the protection scope of the present invention.
Claims (5)
1. The automotive spontaneous combustion-proof power lithium battery pack comprises an outer shell (1) and a plurality of chambers (10) arranged inside the outer shell (1), and is characterized in that a lithium battery pack (2) is arranged in the middle of the inside of any chamber (10), the positions of four corners inside any chamber (10) are connected with supporting pieces (3) through springs (4), the four corners of the lithium battery pack (2) are matched with the supporting pieces (3), flame-retardant pads (5) are bonded on two sides inside any chamber (10), one side of each flame-retardant pad (5) is contacted with the lithium battery pack (2) through a fire extinguishing bag (6), pressure relief holes (8) extending to the outside of the outer shell (1) are formed in the lower inner parts of the chambers (10), a rubber soft sheet (81) is connected to the lower inner part of any pressure relief hole (8), and a cross seam is formed in the surface of the rubber soft sheet (81), it is arbitrary the inside top in pressure release hole (8) is connected with dust screen (82), cooling subassembly (7) are all installed to the top both sides of shell body (1), arbitrary cooling subassembly (7) are placed and cooling tube (71) that its pipe wall lower surface and lithium cell group (2) contacted including the level, the inside crisscross distribution of cooling tube (71) has a plurality of baffles (72), the length direction both ends of cooling tube (71) are connected with feed liquor pipe (74) and drain pipe (75) respectively, just the pipe wall upper surface of cooling tube (71) is connected with a plurality of radiating fin (73).
2. The automotive spontaneous combustion-preventing power lithium battery pack as claimed in claim 1, wherein a plurality of fire-extinguishing bags (6) are arranged, the fire-extinguishing bags (6) are arranged on the inner side of the fire-retardant pad (5) at equal intervals, any one fire-extinguishing bag (6) is made of low-melting-point polymer, and a fire retardant is arranged inside any one fire-extinguishing bag (6).
3. The automotive spontaneous combustion-preventing power lithium battery pack as claimed in claim 1, characterized in that the inner wall of the outer shell (1) is provided with a heat-insulating layer (9).
4. The automotive spontaneous combustion-preventing power lithium battery pack as claimed in claim 1, wherein any one of the supporting members (3) is L-shaped, and any one of the supporting members (3) is made of nylon.
5. The automotive spontaneous combustion-preventing power lithium battery pack as claimed in claim 1, wherein the bottom of the plurality of heat dissipation fins (73) extends to the inside of the cooling tube (71), and any one of the heat dissipation fins (73) is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022885948.3U CN213989031U (en) | 2020-12-03 | 2020-12-03 | Spontaneous combustion preventing power lithium battery pack for vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022885948.3U CN213989031U (en) | 2020-12-03 | 2020-12-03 | Spontaneous combustion preventing power lithium battery pack for vehicle |
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| CN213989031U true CN213989031U (en) | 2021-08-17 |
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| CN202022885948.3U Active CN213989031U (en) | 2020-12-03 | 2020-12-03 | Spontaneous combustion preventing power lithium battery pack for vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116526050A (en) * | 2023-06-29 | 2023-08-01 | 深圳市雅晶源科技有限公司 | Energy storage power supply with explosion-proof function and explosion-proof method |
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2020
- 2020-12-03 CN CN202022885948.3U patent/CN213989031U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116526050A (en) * | 2023-06-29 | 2023-08-01 | 深圳市雅晶源科技有限公司 | Energy storage power supply with explosion-proof function and explosion-proof method |
| CN116526050B (en) * | 2023-06-29 | 2023-09-05 | 深圳市雅晶源科技有限公司 | Energy storage power supply with explosion-proof function and explosion-proof method |
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