CN112736341A - Lithium ion battery system and fixing device thereof - Google Patents
Lithium ion battery system and fixing device thereof Download PDFInfo
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- CN112736341A CN112736341A CN202011564679.9A CN202011564679A CN112736341A CN 112736341 A CN112736341 A CN 112736341A CN 202011564679 A CN202011564679 A CN 202011564679A CN 112736341 A CN112736341 A CN 112736341A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
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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 invention belongs to the technical field of lithium ion batteries, in particular to a lithium ion battery system and a fixing device thereof, and aims to solve the technical problem that the safety of the lithium ion battery system is not high due to the fact that temperature cannot be timely reduced when the temperature of a battery module is too high. When the temperature of the battery module monomer is too high, so that the temperature of the heat-assisting module is also too high, the memory expansion body can be used for shrinking to drive the heat-assisting module to be far away from the battery module monomer, the heat-assisting module is prevented from continuously heating the battery module monomer, the heat dissipation holes formed in the heat-assisting module can stably dissipate heat of the battery module monomer, and the high-temperature loss of the battery module monomer is reduced.
Description
Technical Field
The invention relates to the technical field of lithium ion batteries, in particular to a lithium ion battery system and a fixing device thereof.
Background
The low temperature is an obstacle for popularization of electric vehicles in northern and alpine regions of China, is a heart disease of power battery enterprises, overcomes the problem of low temperature resistance of power batteries, and is one of the major directions of efforts in the industry. At present, a feasible and effective method for solving the problem of low-temperature batteries by enterprises is to preheat the batteries, namely, a preheating system such as a PTC (positive temperature coefficient), a resistor, a heat pipe, a phase-change material and the like is adopted, however, the method is limited by conditions to a great extent because the materials are heated by external energy, and the preheating mode has low heating efficiency and high energy consumption, so that the service life of the traditional heating elements is greatly shortened under certain harsh environments including acid-base, humidity, high-temperature and high-pressure environments and the like, and the large-scale application of the traditional heating elements is further limited.
Through research, the heating mechanism of the far infrared heating element is different from that of the traditional resistance heating material (such as resistance wire, carbon fiber and PTC heating element), the heating raw material used by the invention is whisker carbon nanotube far infrared heating paper, wherein the whisker carbon nanotube has very high crystallinity which can reach more than 90 percent, and the heating principle is that phonon oscillation generates electromagnetic wave heat wave heating of far infrared wave band. The whisker carbon nanotube heating paper only emits pure far infrared heat waves after being electrified, and the energy conversion efficiency can reach more than 90 percent, so that the far infrared heating body can be heated as long as the battery can release weak electric quantity in a low-temperature environment; moreover, the whisker carbon nanotube far infrared heating paper has good acid and alkali resistance, high temperature resistance and flame retardant property of the raw materials, and can greatly improve the service life and the safety level.
In the practical application process, the battery module can lead to the battery module high temperature along with the increase of operation time and the increase of power consumption when the electric current is too big in the circuit, and the untimely cooling then can increase the loss of battery, burns out even, and above-mentioned problem leads to lithium ion battery system's security not high.
Disclosure of Invention
The invention provides a lithium ion battery system and a fixing device thereof based on the technical problem that the safety of the lithium ion battery system is not high because the temperature of a battery module cannot be timely reduced when the temperature is too high.
The invention provides a lithium ion battery system which comprises a plurality of battery module monomers and a battery shell, wherein a plurality of monomer installation cavities are formed in the battery shell, a heat-assisting assembly is arranged between every two adjacent monomer installation cavities, the plurality of battery module monomers and the plurality of heat-assisting assemblies are distributed between the heat-assisting assemblies at intervals, each heat-assisting assembly comprises a fixed partition plate and a pair of heat-assisting modules, the pair of heat-assisting modules are connected to two sides of the fixed partition plate, the side end of the fixed partition plate is clamped with the inner wall of the battery shell, the pair of heat-assisting modules can slide on the inner side of the battery shell, a memory telescopic body is fixedly connected between each heat-assisting module and the fixed partition plate, a plurality of heat dissipation holes are formed in each heat-assisting module, and a dustproof cover plate is.
Preferably, the outer side of the memory telescopic body is sleeved with a heat insulation guide telescopic pipe, and two end parts of the heat insulation guide telescopic pipe are respectively and fixedly connected with the heat-assisting module and the surface of the fixed partition plate.
Preferably, two pairs of guide sliding columns are fixedly connected to two side ends of the fixed partition plate, the two pairs of guide sliding columns are symmetrically distributed at four corners of the fixed partition plate respectively, and guide sliding holes for the guide sliding columns to penetrate through are formed in the four corners of the heat-assisting module.
Preferably, a temperature sensor is embedded in the heat-assisting module, the two end faces of the fixed partition board are fixedly connected with cooling fans, and the cooling fans and the temperature sensor are electrically connected with the battery module monomer.
Preferably, both side ends of the fixed partition board are fixedly connected with contact switches, the side end of the heat-assisting module is fixedly connected with a switch trigger block matched with the contact switches, and the heat-radiating fan is started when the contact switches are contacted with the switch trigger block.
Preferably, the heat-assisting module comprises a first polyimide insulating and heat-conducting film layer, a second polyimide insulating and heat-conducting film layer and a whisker carbon nanotube far infrared heating paper layer, and the first polyimide insulating and heat-conducting film layer and the second polyimide insulating and heat-conducting film layer are both bonded on two sides of the whisker carbon nanotube far infrared heating paper layer through bonding layers.
Preferably, a sealing film is bonded at the position of the radiating hole on the second polyimide insulating heat conducting film layer close to one side of the fixed partition plate, and the lower end of the second polyimide insulating heat conducting film layer is provided with a material receiving convex edge which is located on the lower side of the radiating hole.
Preferably, a plurality of snake-shaped grooves are formed in one end face, far away from the whisker carbon nanotube far infrared heating paper layer, of the second polyimide insulating heat conducting film layer, and the snake-shaped grooves are communicated with the heat dissipation holes.
Preferably, the battery pack further comprises a fixing device of the battery pack, the fixing device comprises a push plate, a push-pull rod, a limiting block and a second compression spring, the inner wall of the battery pack is provided with a containing groove for the limiting block to slide and a through hole for the push-pull rod to slide, the through hole is communicated with the containing groove, two ends of the push-pull rod are fixedly connected with the limiting block and the push plate respectively, the second compression spring is sleeved on the outer side of the push-pull rod, two ends of the second compression spring are fixedly connected with the inner wall of the containing groove and the limiting block respectively, and the upper end, far away from the push-pull.
Preferably, a plurality of dustproof sealing plates are arranged on the inner side of the battery shell and correspond to the monomer installation cavities one by one, and compression springs are fixedly connected between the dustproof sealing plates and the inner bottom end of the battery shell.
The beneficial effects of the invention are as follows:
1. this lithium ion battery system and fixing device thereof, through the memory expansion body of fixed connection between helping hot module and fixed stop, and be provided with a plurality of louvres on helping hot module, when battery module monomer high temperature makes and helps hot module temperature when too high, the memory expansion body shrink, the area helps hot module to keep away from battery module monomer gradually, avoid helping hot module to the free continuation heating of battery module, the louvre that helps to set up on the hot module simultaneously can supply battery module monomer to stabilize the heat dissipation, reduce the free high temperature loss of battery module.
2. This lithium ion battery system and fixing device thereof, through the cooling hole department bonding seal membrane on the polyimide insulation heat conduction rete two that is close to fixed stop one side, be in under the low temperature state battery module monomer, the setting of seal membrane can effectively reduce the heat part that helps hot module to produce and additionally scatter and disappear, guarantee to help hot module performance stable and quick heat-assist effect, make when battery module monomer high temperature help hot module temperature too high equally, the seal membrane reaches its melting point and melts this moment, make the louvre switch on, usable radiator fan stabilizes the heat dissipation through the louvre to battery module monomer this moment.
3. This lithium ion battery system and fixing device thereof sets up a plurality of snake-shaped grooves through keeping away from whisker carbon nanotube far infrared heating paper layer's a terminal surface at two polyimide insulation heat conduction retes, and the snake-shaped groove is linked together with the louvre, and the snake-shaped groove can increase heat radiating area on the one hand, and on the other hand is better leads the louvre smoothly with wind, improves the free radiating effect to battery module.
4. According to the lithium ion battery system and the fixing device thereof, through the arranged fixing device for fixing the battery module monomer, when the battery module monomer is completely clamped into the inner side of the monomer installation cavity, the pair of limiting blocks are outwards popped out under the action of the second compression spring, so that the battery module monomer is prevented from shifting and even falling off accidentally; through set up a plurality of dustproof closing plates and compression spring one in battery case inboard, when not placing battery module monomer, dustproof closing plate keeps off the upside at the monomer installation cavity under compression spring one's effect for the inside difficult debris that fall into of monomer installation cavity.
The device has the advantages that when the temperature of a single battery module is too high, so that the temperature of the heat-assisting module is also too high, the memory expansion body can be contracted to drive the heat-assisting module to gradually keep away from the single battery module, the single battery module is prevented from being continuously heated by the heat-assisting module, and meanwhile, the heat dissipation holes arranged on the heat-assisting module can stably dissipate heat of the single battery module, so that the high-temperature loss of the single battery module is reduced.
Drawings
Fig. 1 is a schematic front structural diagram of a lithium ion battery system and a fixing device thereof according to the present invention;
fig. 2 is a schematic side view of a lithium ion battery system and a fixing device thereof according to the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic diagram of an internal structure of a lithium ion battery system and a fixing device thereof according to the present invention;
fig. 5 is a schematic structural diagram of a heat-assisting assembly of a lithium ion battery system and a fixing device thereof according to the present invention;
FIG. 6 is a schematic view of the structure at B in FIG. 5;
fig. 7 is a schematic view of an overall appearance structure of a lithium ion battery system and a fixing device thereof according to the present invention;
fig. 8 is a system block diagram of a lithium ion battery system according to the present invention.
In the figure: 1. a battery case; 2. a battery module monomer; 3. a single body mounting cavity; 4. fixing the partition board; 5. a heat-assist module; 6. a guide strut; 7. a guide slide hole; 8. a memory expansion body; 9. the heat insulation guide extension tube; 10. heat dissipation holes; 11. a temperature sensor; 12. a first compression spring; 13. a dust-proof sealing plate; 14. a limiting block; 15. pushing the plate; 16. a push-pull rod; 17. a second compression spring; 18. a receiving groove; 19. a first polyimide insulating heat-conducting film layer; 20. a second polyimide insulating heat-conducting film layer; 21. a whisker carbon nanotube far infrared heating paper layer; 22. a heat radiation fan; 23. a contact switch; 24. a switch trigger block; 25. a through hole; 26. an arc-shaped sliding surface; 27. an adhesive layer; 28. a sealing film; 29. receiving convex edges; 30. a serpentine groove; 31. dustproof apron.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-8, a lithium ion battery system comprises a plurality of battery module monomers 2 and a battery housing 1 with a plurality of monomer installation cavities 3 arranged on the inner side, wherein a heat-assisting assembly is arranged between two adjacent monomer installation cavities 3, the plurality of battery module monomers 2 and the plurality of heat-assisting assemblies are distributed between the heat-assisting assemblies at intervals, the heat-assisting assembly comprises a fixed partition plate 4 and a pair of heat-assisting modules 5, the pair of heat-assisting modules 5 are connected to two sides of the fixed partition plate 4, the side end of the fixed partition plate 4 is clamped with the inner wall of the battery housing 1, the pair of heat-assisting modules 5 can slide on the inner side of the battery housing 1, a memory telescopic body 8 is fixedly connected between the heat-assisting modules 5 and the fixed partition plate 4, a plurality of heat dissipation holes 10 are arranged on the heat-assisting modules 5, a dust cover plate 31 is clamped between the battery housings 1 on the upper side of, A second polyimide insulating and heat conducting film layer 20 and a whisker carbon nanotube far infrared heating paper layer 21, wherein the first polyimide insulating and heat conducting film layer 19 and the second polyimide insulating and heat conducting film layer 20 are both bonded on two sides of the whisker carbon nanotube far infrared heating paper layer 21 through bonding layers 27, the heat-assisting module 5 is embedded in the battery shell 1, and the heat-assisting module 5 is connected with the positive and negative electrodes of the battery module by using a lead to obtain the lithium ion battery system of the invention, when the temperature of the battery module monomer 2 is too high and the temperature of the heat-assisting module 5 is also too high, the memory expansion body 8 contracts and drives the heat-assisting module 5 to gradually get away from the battery module monomer 2, so that the heat-assisting module 5 is prevented from continuously heating the battery module monomer 2, meanwhile, the heat dissipation holes 10 arranged on the heat-assisting module 5 can stably dissipate heat of the battery module single body 2, and reduce high-temperature loss of the battery module single body 2.
In the invention, a heat insulation guide telescopic pipe 9 is sleeved outside a memory telescopic body 8, two end parts of the heat insulation guide telescopic pipe 9 are respectively and fixedly connected with the surfaces of a heat-assisting module 5 and a fixed partition plate 4, two side ends of the fixed partition plate 4 are respectively and fixedly connected with two pairs of guide sliding columns 6, the two pairs of guide sliding columns 6 are respectively and symmetrically distributed at four corners of the fixed partition plate 4, and guide sliding holes 7 for the guide sliding columns 6 to penetrate are respectively arranged at the four corners of the heat-assisting module 5, so that the heat-assisting module 5 can be ensured to smoothly move along the inner wall of a battery shell 1.
Wherein, it is equipped with temperature sensor 11 to help to inlay on the hot module 5, uses the wire to be connected temperature sensor 11 with help hot module 5, the equal fixedly connected with radiator fan 22 of 4 both ends faces of fixed stop, and radiator fan 22 and temperature sensor 11 all with battery module monomer 2 electric connection, when temperature sensor 11 detects the temperature and surpasss its artifical threshold value of predetermineeing, utilize external controller control ware control radiator fan 22 to start, dispel the heat fast.
The two sides of the fixed partition plate 4 are fixedly connected with contact switches 23, the side of the heat-assisting module 5 is fixedly connected with a switch trigger block 24 matched with the contact switches 23, the heat-radiating fan 22 is started when the contact switches 23 are contacted with the switch trigger block 24, when the temperature sensor 11 fails and the temperature of the battery module monomer 2 is too high, the heat-assisting module 5 is also too high in temperature, the memory telescopic body 8 contracts, the heat-assisting module 5 is driven to be gradually far away from the battery module monomer 2, the heat-assisting module 5 is prevented from continuously heating the battery module monomer 2, and when the switch trigger block 24 at the side of the heat-assisting module 5 is contacted with the contact switches 23 at the side of the fixed partition plate 4, the heat-radiating fan 22 is started, so that.
Wherein, the sealing film 28 is bonded at the heat dissipation hole 10 on the second polyimide insulating heat conduction film layer 20 close to one side of the fixed partition plate 4, the lower end of the second polyimide insulating heat conduction film layer 20 is provided with the material receiving convex edge 29, and the material receiving convex edge 29 is positioned at the lower side of the heat dissipation hole 10, when the battery module monomer 2 is in a low-temperature state, the sealing film 28 can effectively reduce the extra dissipation of the heat generated by the heat-assisting module 5, ensure that the heat-assisting module 5 can play a stable and quick heat-assisting role, when the temperature of the battery module monomer 2 is too high, the temperature of the heat-assisting module 5 is also too high, at the moment, the sealing film 28 reaches the melting point thereof to be melted, so that the heat dissipation hole 10 is conducted, and at.
Wherein, the terminal surface that two 20 insulating heat conduction rete of polyimide kept away from whisker carbon nanotube far infrared heating paper layer 21 is provided with a plurality of snake-shaped grooves 30, and snake-shaped groove 30 is linked together with louvre 10, and snake-shaped groove 30 can increase heat radiating area on the one hand, and on the other hand is better leads louvre 10 with wind smoothly, improves the radiating effect to battery module monomer 2.
The working principle is as follows: when the temperature of the battery module monomer 2 is too high, so that the temperature of the heat-assisting module 5 is also too high, the memory expansion body 8 contracts and drives the heat-assisting module 5 to gradually keep away from the battery module monomer 2, the heat-assisting module 5 is prevented from continuously heating the battery module monomer 2, meanwhile, the heat dissipation holes 10 formed in the heat-assisting module 5 can stably dissipate heat of the battery module monomer 2, and the high-temperature loss of the battery module monomer 2 is reduced; when the temperature sensor 11 detects that the temperature exceeds the manual preset threshold value, the external controller is used for controlling the cooling fan 22 to be started, so that the cooling effect is enhanced, when the temperature sensor 11 fails and the temperature of the battery module monomer 2 is too high, so that the temperature of the heat-assisting module 5 is also too high, the memory telescopic body 8 contracts to bring the switch trigger block 24 at the side end of the heat-assisting module 5 to contact the contact switch 23 at the side end of the fixed partition plate 4, so that the cooling fan 22 can be started, and the quick cooling is realized; in addition, through the louvre 10 department bonding on the polyimide insulation heat conduction rete two 20 that is close to fixed baffle 4 one side there is the seal membrane 28, be in under the low temperature state battery module monomer 2, the setting of seal membrane 28 can effectively reduce the heat part that helps hot module 5 to produce and additionally scatter and disappear, guarantee to help hot module 5 to exert stable and quick heat-assist effect, make when battery module monomer 2 high temperature help hot module 5 high temperature too, seal membrane 28 reaches its melting point and melts at this moment, make louvre 10 switch on, usable radiator fan 22 carries out stable heat dissipation to battery module monomer 2 through louvre 10 this moment.
Example 2
Referring to fig. 1-4 and fig. 7, in this embodiment, compared with embodiment 1, the lithium ion battery system further includes a fixing device for fixing the battery module single body 2, the fixing device includes a push plate 15, a push-pull rod 16, a stopper 14 and a second compression spring 17, the inner wall of the battery housing 1 is provided with a storage groove 18 for the stopper 14 to slide and a through hole 25 for the push-pull rod 16 to slide, the through hole 25 is communicated with the storage groove 18, two ends of the push-pull rod 16 are respectively fixedly connected with the stopper 14 and the push plate 15, the second compression spring 17 is sleeved outside the push-pull rod 16, two ends of the second compression spring 17 are respectively fixedly connected with the inner wall of the storage groove 18 and the stopper 14, and the upper end of the stopper 14 far away from the push-pull rod 16 is provided with an arc-shaped sliding surface 26, so.
Wherein, 1 inboard of battery case is provided with a plurality of dust sealing plate 13, and a plurality of dust sealing plate 13 and a plurality of monomer installation cavity 3 one-to-one, fixedly connected with compression spring 12 between dust sealing plate 13 and the 1 bottom end of battery case, when not placing battery module monomer 2, dust sealing plate 13 keeps off the upside at monomer installation cavity 3 under compression spring 12's effect for 3 inside difficult debris that fall into of monomer installation cavity.
The working principle is as follows: the battery module monomer 2 is aligned to the monomer installation cavity 3 to be placed, the battery module monomer 2 extrudes the pair of limiting blocks 14, the pair of limiting blocks 14 extrude the second compression spring 17, the limiting blocks 14 are accommodated in the accommodating grooves 18, when the battery module monomer 2 is completely clamped into the inner side of the monomer installation cavity 3, the pair of limiting blocks 14 are outwards popped out under the action of the second compression spring 17, and the battery module monomer 2 is prevented from shifting or even accidentally falling off; when the battery module single body 2 needs to be taken out, the push plates 15 can be manually pushed to the two outer sides at the same time, the limit blocks 14 are pulled through the push-pull rods 16, so that the limit blocks 14 are accommodated in the accommodating grooves 18, and the battery module single body 2 can be taken out at the moment.
It is further noted that the electrical connections used in this application are well known in the art and are primarily used to protect mechanical devices, so the control and electrical connections will not be explained in detail in this application.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. A lithium ion battery system comprises a plurality of battery module monomers (2) and a battery shell (1) with a plurality of monomer installation cavities (3) arranged on the inner side, and is characterized in that a heat-assisting component is arranged between two adjacent monomer installation cavities (3), the plurality of battery module monomers (2) and the plurality of heat-assisting components are distributed among the heat-assisting components at intervals, the heat-assisting component comprises a fixed partition plate (4) and a pair of heat-assisting modules (5), the pair of heat-assisting modules (5) are connected to two sides of the fixed partition plate (4), the side end of the fixed partition plate (4) is clamped with the inner wall of the battery shell (1), the pair of heat-assisting modules (5) can slide on the inner side of the battery shell (1), a memory telescopic body (8) is fixedly connected between the heat-assisting modules (5) and the fixed partition plate (4), and a plurality of heat-assisting modules (10) are arranged on the heat-, and a dustproof cover plate (31) is clamped between the battery shells (1) on the upper sides of the heat-assisting modules (5).
2. The lithium ion battery system according to claim 1, wherein a heat insulation guide telescopic pipe (9) is sleeved outside the memory telescopic body (8), and two ends of the heat insulation guide telescopic pipe (9) are respectively and fixedly connected with the surfaces of the heat-assisting module (5) and the fixed partition plate (4).
3. The lithium ion battery system according to claim 2, wherein two pairs of guiding sliding pillars (6) are fixedly connected to both side ends of the fixed partition plate (4), the two pairs of guiding sliding pillars (6) are symmetrically distributed at four corners of the fixed partition plate (4), and guiding sliding holes (7) for the guiding sliding pillars (6) to penetrate through are formed in the four corners of the heat-assisting module (5).
4. The lithium ion battery system according to claim 3, wherein a temperature sensor (11) is embedded in the heat-assisting module (5), two end faces of the fixed partition plate (4) are both fixedly connected with a cooling fan (22), and the cooling fan (22) and the temperature sensor (11) are both electrically connected with the battery module monomer (2).
5. The lithium ion battery system according to claim 4, wherein both side ends of the fixed partition (4) are fixedly connected with contact switches (23), the side end of the heat-assisting module (5) is fixedly connected with a switch trigger block (24) matched with the contact switches (23), and the contact switches (23) are in contact with the switch trigger block (24) to start the heat dissipation fan (22).
6. The lithium ion battery system according to any one of claims 1-5, wherein the heat-assisting module (5) comprises a first polyimide insulating and heat-conducting film layer (19), a second polyimide insulating and heat-conducting film layer (20) and a whisker carbon nanotube far infrared heating paper layer (21), and the first polyimide insulating and heat-conducting film layer (19) and the second polyimide insulating and heat-conducting film layer (20) are both bonded to two sides of the whisker carbon nanotube far infrared heating paper layer (21) through bonding layers (27).
7. The lithium ion battery system according to claim 6, wherein a sealing film (28) is bonded at the heat dissipation hole (10) on the second polyimide insulating heat conducting film layer (20) close to one side of the fixed partition plate (4), a material receiving convex edge (29) is arranged at the lower end of the second polyimide insulating heat conducting film layer (20), and the material receiving convex edge (29) is located at the lower side of the heat dissipation hole (10).
8. The lithium ion battery system and the fixing device thereof as claimed in claim 7, wherein a plurality of serpentine grooves (30) are formed in one end face of the second polyimide insulating and heat conducting film layer (20) far away from the whisker carbon nanotube far infrared heating paper layer (21), and the serpentine grooves (30) are communicated with the heat dissipation holes (10).
9. A lithium ion battery system according to any of claims 1 to 5, characterized in that it further comprises its fixing means, the fixing device comprises a push plate (15), a push-pull rod (16), a limiting block (14) and a second compression spring (17), the inner wall of the battery shell (1) is provided with a containing groove (18) for the limiting block (14) to slide and a through hole (25) for the push-pull rod (16) to slide, the through hole (25) is communicated with the accommodating groove (18), two ends of the push-pull rod (16) are respectively fixedly connected with the limit block (14) and the push plate (15), the compression spring II (17) is sleeved outside the push-pull rod (16), and two ends of the second compression spring (17) are respectively fixedly connected with the inner wall of the accommodating groove (18) and the limiting block (14), the upper end part of the limiting block (14) far away from the push-pull rod (16) is provided with an arc-shaped sliding surface (26).
10. The lithium ion battery system and the fixing device thereof according to claim 9, wherein a plurality of dust-proof sealing plates (13) are arranged on the inner side of the battery shell (1), the plurality of dust-proof sealing plates (13) correspond to the plurality of single mounting cavities (3) one by one, and a first compression spring (12) is fixedly connected between the dust-proof sealing plates (13) and the inner bottom end of the battery shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011564679.9A CN112736341A (en) | 2020-12-25 | 2020-12-25 | Lithium ion battery system and fixing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011564679.9A CN112736341A (en) | 2020-12-25 | 2020-12-25 | Lithium ion battery system and fixing device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497799A (en) * | 2021-12-22 | 2022-05-13 | 江苏金晓电子信息股份有限公司 | Cooling module for electric energy storage unit group and electric energy management system thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654092A (en) * | 2016-11-24 | 2017-05-10 | 无锡康斯坦特动力科技有限公司 | Buffering and cooling electric vehicle battery placement structure |
| CN107437594A (en) * | 2016-05-27 | 2017-12-05 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN108110179A (en) * | 2017-12-25 | 2018-06-01 | 湛江正信科技服务有限公司 | A kind of power battery pack |
| CN108649297A (en) * | 2018-05-23 | 2018-10-12 | 襄阳九州汽车有限公司 | A kind of new-energy automobile cooling system |
| CN110165330A (en) * | 2019-06-18 | 2019-08-23 | 山东大学 | A kind of batteries of electric automobile heat management system and method based on memorial alloy |
| CN110492202A (en) * | 2019-09-16 | 2019-11-22 | 江西克莱威纳米碳材料有限公司 | A kind of low temperature self-heating lithium-ion battery systems and preparation method thereof |
| CN210692624U (en) * | 2019-10-18 | 2020-06-05 | 安徽统凌科技新能源有限公司 | Packaging structure of solid-state lithium battery |
| CN111697177A (en) * | 2020-05-26 | 2020-09-22 | 长兴德威波尔能源科技有限公司 | Multi-stage series battery and manufacturing method thereof |
-
2020
- 2020-12-25 CN CN202011564679.9A patent/CN112736341A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437594A (en) * | 2016-05-27 | 2017-12-05 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN106654092A (en) * | 2016-11-24 | 2017-05-10 | 无锡康斯坦特动力科技有限公司 | Buffering and cooling electric vehicle battery placement structure |
| CN108110179A (en) * | 2017-12-25 | 2018-06-01 | 湛江正信科技服务有限公司 | A kind of power battery pack |
| CN108649297A (en) * | 2018-05-23 | 2018-10-12 | 襄阳九州汽车有限公司 | A kind of new-energy automobile cooling system |
| CN110165330A (en) * | 2019-06-18 | 2019-08-23 | 山东大学 | A kind of batteries of electric automobile heat management system and method based on memorial alloy |
| CN110492202A (en) * | 2019-09-16 | 2019-11-22 | 江西克莱威纳米碳材料有限公司 | A kind of low temperature self-heating lithium-ion battery systems and preparation method thereof |
| CN210692624U (en) * | 2019-10-18 | 2020-06-05 | 安徽统凌科技新能源有限公司 | Packaging structure of solid-state lithium battery |
| CN111697177A (en) * | 2020-05-26 | 2020-09-22 | 长兴德威波尔能源科技有限公司 | Multi-stage series battery and manufacturing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497799A (en) * | 2021-12-22 | 2022-05-13 | 江苏金晓电子信息股份有限公司 | Cooling module for electric energy storage unit group and electric energy management system thereof |
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Application publication date: 20210430 |