CN113725535A - Soft package lithium battery cell module assembly structure and assembly method - Google Patents
Soft package lithium battery cell module assembly structure and assembly method Download PDFInfo
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- CN113725535A CN113725535A CN202110780019.2A CN202110780019A CN113725535A CN 113725535 A CN113725535 A CN 113725535A CN 202110780019 A CN202110780019 A CN 202110780019A CN 113725535 A CN113725535 A CN 113725535A
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
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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
- H01M10/65—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
- H01M10/6562—Gases with free flow by convection only
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/258—Modular batteries; Casings provided with means for assembling
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
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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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- Battery Mounting, Suspending (AREA)
Abstract
The invention is suitable for the field of soft package lithium batteries, and provides an assembly structure and an assembly method of a battery cell module of a soft package lithium battery, the structure comprises a battery cell, a control panel, a power supply connecting wire, an insulating plate, a connecting part, a damping part and a heat dissipation part, the control panel is connected to the top of the battery cell through a wire, the problem that the existing soft package lithium battery is generally assembled by adopting a layer-by-layer packaging structure is solved, nylon adhesive tapes or coated insulating silica gel are only used for connection and protection on the surface, the firmness after packaging is low, the frame is easy to disperse during use, the heat dissipation effect of the packaged soft package lithium battery is totally realized by blowing natural wind to dissipate heat of the self shell, the passive heat dissipation mode has low efficiency, the internal temperature cannot be timely dissipated after long-time use, the abrasion of the soft package battery is easily aggravated, the swelling phenomenon of the soft package battery is caused, and the use of a user is inconvenient, the use danger of the soft package battery is increased.
Description
Technical Field
The invention belongs to a soft package lithium battery, and particularly relates to an assembling structure and an assembling method of a battery cell module of the soft package lithium battery.
Background
In the lithium cell, the unit of minimum is exactly electric core, a module can be constituteed to a set of electric core, a battery package then can be constituteed to several modules, soft-packaged lithium battery is exactly one kind of battery package, the structure of generally adopting layer upon layer encapsulation during the equipment of current soft-packaged lithium battery, only use nylon adhesive tape or paint insulating silica gel on the surface and connect and protect, firm degree is lower after the encapsulation, easily loose the frame during the use, and the radiating effect of soft-packaged lithium battery after the encapsulation relies on the natural wind entirely to blow the shell of self and dispel the heat, this kind of passive radiating mode is inefficient, long-time use inside temperature can not in time effluvium, the easy corruption that aggravates soft-packaged battery, lead to soft-packaged battery the phenomenon of bag to appear, the user of being not convenient for, soft-packaged battery's use is dangerous has been increased.
Disclosure of Invention
The invention provides an assembling structure and an assembling method of a soft package lithium battery cell module, and aims to solve the problems of low connection firmness and poor heat dissipation.
The battery comprises a battery cell, a control panel, a power supply connecting wire, an insulating plate, a connecting part, a damping part and a heat dissipation part, wherein the control panel is connected to the top of the battery cell through a wire;
the connecting part comprises a first connecting glue layer, the first connecting glue layer is close to a first base plate of one side fixedly connected with of the battery cell, the first base plate is far away from a lower hook plate of one side fixedly connected with of the first connecting glue layer, the periphery of the surface of the battery cell is fixedly connected with a second connecting glue layer corresponding to the first connecting glue layer, the surface fixedly connected with second base plate of the second connecting glue layer is connected with an upper hook plate, and the lower hook plate is in contact with the upper hook plate.
Still further, the number of the insulating plates is six, nylon adhesive tapes are wound on the surfaces of the six insulating plates, and aluminum protective films are wound on the surfaces of the nylon adhesive tapes.
Furthermore, the lower hook plate and the upper hook plate are arranged in an L shape, the top of the lower hook plate is fixedly connected with a through plate, and the top of the through plate penetrates through the top of the upper hook plate.
Furthermore, the inside of the upper hook plate is provided with a through hole matched with the through plate for use, the inner wall of the through hole is fixedly connected with a connecting pad, and the inner wall of the connecting pad is arranged in a square cone shape.
Furthermore, the number of the first connecting glue layers and the number of the second connecting glue layers are eight, and the first connecting glue layers and the second connecting glue layers are uniformly distributed.
Furthermore, a wire hole corresponding to the power connecting wire is formed in the insulating plate, a protective pad is fixedly connected to the inner wall of the wire hole, and the protective pad is in close contact with the power connecting wire.
In addition, the invention also provides an assembling method of the soft package lithium battery cell module, which comprises the following steps:
the first step is as follows: selecting a proper battery cell, matching the type, voltage and internal resistance of the battery cell, and balancing the battery cell before assembly;
the second step is that: connecting the control panel with the battery core through a wire, then fixing the control panel on the top of the battery core, coating insulating silica gel at the joint of the control panel and the battery core, and then connecting a power supply connecting wire with the control panel;
the third step: the six insulation plates are attached to the periphery of the battery cell one by one, the insulation plates are connected with the battery cell through connecting parts on the inner walls of the insulation plates, the insulation plates at the bottom of the battery cell can be attached firstly, then the insulation plates at the periphery of the battery cell are attached, then the insulation plates at the top of the battery cell are attached, and the power supply connecting wire is pulled out from a wire rod hole of the insulation plates;
the fourth step: the six insulating plates are wound and fixed by using the nylon adhesive tape, gaps are reserved for openings in the surfaces of the insulating plates, and finally the nylon adhesive tape is wrapped by using the aluminum protective film and the gaps corresponding to the insulating plates are reserved.
The invention also provides a damping component which comprises a third connecting glue layer, wherein the third connecting glue layer is positioned between the first connecting glue layer and the second connecting glue layer, the surface of the third connecting glue layer is fixedly connected with a cushion plate, the surface of the cushion plate is fixedly connected with a bump, the bottom of the inner wall of the insulating plate is fixedly connected with a cushion pad, the top of the cushion pad is fixedly connected with a corrugated pad, the front side and the rear side of the top of the inner wall of the insulating plate are fixedly connected with abutting plates, the bottom of the abutting plates is fixedly connected with a fastening pad, and the bottom of the fastening pad is in contact with the top of the control panel.
Furthermore, the number of the third connecting glue layers is eight, the backing plate is made of rubber, the number of the lugs is a plurality, the lugs are uniformly distributed on the surface of the backing plate, and the lugs are made of elastic rubber.
Furthermore, the corrugated pad is made of silica gel, and the top of the corrugated pad is in close contact with the bottom of the battery core.
The invention also provides that the heat dissipation part comprises an air inlet, the tops of two sides of the inner wall of the insulating plate are fixedly connected with arc-shaped plates positioned at the top of the air inlet, two sides of the bottom of the inner wall of the insulating plate are fixedly connected with concave blocks matched with the arc-shaped plates for use, the tops of the arc-shaped plates extend to the insides of the concave blocks, and the top of the inner wall of the insulating plate is provided with a heat dissipation opening.
Furthermore, the arc-shaped plate is arranged in a semicircular shape, the inner wall of the concave block is fixedly connected with a filling pad, and the filling pad is in close contact with the arc-shaped plate.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention solves the problem that the existing soft package lithium battery is generally assembled by adopting a layer-by-layer packaging structure through the matching use of the battery core, the control panel, the power supply connecting wire, the insulating plate, the connecting part, the damping part and the heat dissipation part, the surface is connected and protected only by using nylon adhesive tape or coating insulating silica gel, the firmness after packaging is low, the shelf is easy to fall apart when in use, the heat dissipation effect of the packaged soft package lithium battery is achieved by blowing natural wind to the self shell for heat dissipation, the passive heat dissipation mode has low efficiency, the internal temperature cannot be dissipated in time after long-time use, the abrasion of the soft package battery is easily aggravated, the soft package battery is bulged, the soft package battery is inconvenient to use by a user, and the use danger of the soft package battery is increased, this soft packet of lithium battery cell module package assembly possesses firm in connection and good heat dissipation's advantage.
2. According to the invention, the through plate is arranged, so that the lower hook plate can pass through the upper hook plate, the connection firmness of the lower hook plate and the upper hook plate is enhanced, and the unstable shaking phenomenon after the lower hook plate and the upper hook plate are connected is avoided.
3. According to the invention, the through hole and the connecting pad are arranged, and the square conical connecting pad enables the through plate to be firmly contacted with the connecting pad after entering the through hole, so that the phenomenon that the through plate shakes and falls off is avoided.
4. According to the invention, the first substrate and the second substrate can be connected to the inner wall of the insulating plate by arranging the first connecting glue layer and the second connecting glue layer, so that the lower hook plate and the upper hook plate can be conveniently connected.
5. According to the invention, the filling pad is arranged, so that the stability of the arc plate in the insulating plate can be enhanced, the phenomenon that the arc plate falls off when the soft package battery is collided and impacted is avoided, and the effect of reinforcing and positioning the arc plate is achieved.
6. According to the invention, the wire hole and the protective pad are arranged, so that a user can conveniently connect the power supply connecting wire out, the protective pad can prevent external impurities from entering a gap between the power supply connecting wire and the wire hole, and meanwhile, the protective pad can protect the power supply connecting wire at the gap, and the phenomenon that the power supply connecting wire is broken due to excessive bending times is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
fig. 3 is a perspective view of a cell of the present invention;
FIG. 4 is an enlarged view of the invention at B in FIG. 3;
fig. 5 is a front sectional view of a cell of the present invention;
FIG. 6 is an enlarged view of the invention at C of FIG. 5;
FIG. 7 is an exploded view of the connecting member of the present invention;
FIG. 8 is an enlarged view of the invention at D in FIG. 7;
FIG. 9 is a front view of the shim plate of the present invention;
fig. 10 is an enlarged structural view of the invention at E in fig. 9.
In the figure: 1. an electric core; 2. a control panel; 3. a power connection line; 4. an insulating plate; 501. a first connecting glue layer; 502. a first substrate; 503. a lower hook plate; 504. a second connecting glue layer; 505. a second substrate; 506. an upper hook plate; 601. a third connecting glue layer; 602. a base plate; 603. a bump; 604. a cushion pad; 605. a corrugated pad; 606. a propping plate; 607. a fastening pad; 701. an air inlet; 702. an arc-shaped plate; 703. a concave block; 704. a heat dissipation port; 8. nylon tape; 9. an aluminum protective film; 10. penetrating the plate; 11. a through opening; 12. a connecting pad; 13. filling and repairing the pad; 14. wire holes; 15. a protective pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
As shown in fig. 1 to 10, the invention provides an electric core module assembly structure of a soft package lithium battery, which includes an electric core 1, a control panel 2, a power connection line 3, an insulation board 4, a connection component, a shock absorption component and a heat dissipation component, wherein the control panel 2 is connected to the top of the electric core 1 through a wire, the power connection line 3 is connected to the control panel 2 through a wire, the insulation board 4 is sleeved on the surfaces of the electric core 1 and the control panel 2, the power connection line 3 penetrates through the top of the insulation board 4, the connection component is fixedly connected to the periphery of the inner wall of the insulation board 4, the shock absorption component is fixedly connected to the inner wall of the insulation board 4 and the periphery of the surface of the electric core 1, and the heat dissipation component is arranged at the top of two sides of the insulation board 4;
the connecting part comprises a first connecting glue layer 501, a first base plate 502 is fixedly connected to one side of the first connecting glue layer 501 close to the battery cell 1, a lower hook plate 503 is fixedly connected to one side of the first base plate 502 far away from the first connecting glue layer 501, a second connecting glue layer 504 corresponding to the first connecting glue layer 501 is fixedly connected to the periphery of the surface of the battery cell 1, a second base plate 505 is fixedly connected to the surface of the second connecting glue layer 504, an upper hook plate 506 is fixedly connected to the surface of the second base plate 505, and the lower hook plate 503 is in contact with the upper hook plate 506.
The number of the insulating plates 4 is six, nylon adhesive tapes 8 are wound on the surfaces of the six insulating plates 4, and aluminum protective films 9 are wound on the surfaces of the nylon adhesive tapes 8.
The lower hook plate 503 and the upper hook plate 506 are both arranged in an L shape, the top of the lower hook plate 503 is fixedly connected with a through plate 10, and the top of the through plate 10 penetrates through the top of the upper hook plate 506.
Go up the inside of colluding the board 506 and offer the cooperation and run through the mouth 11 that the board 10 used, the inner wall fixedly connected with connection pad 12 of running through mouth 11, the inner wall of connection pad 12 is the square cone setting.
The number of the first connecting glue layers 501 and the number of the second connecting glue layers 504 are eight, and the first connecting glue layers 501 and the second connecting glue layers 504 are uniformly distributed.
The method for assembling the soft package lithium battery cell module comprises the following steps:
the first step is as follows: selecting a proper battery cell 1, matching the type of the battery cell 1, voltage and internal resistance, and balancing the battery cell 1 before assembly;
the second step is that: connecting a control panel with the electric core 1 through a wire, then fixing a control panel 2 on the top of the electric core 1, coating insulating silica gel at the joint of the control panel and the electric core 1, and then connecting a power supply connecting wire 3 with the control panel 2;
the third step: the six insulation plates 4 are attached to the periphery of the battery cell 1 one by one, the insulation plates 4 are connected with the battery cell 1 through connecting parts on the inner walls of the insulation plates 4, the insulation plates 4 at the bottom of the battery cell 1 can be attached firstly, then the insulation plates 4 around the battery cell 1 are attached, then the insulation plates 4 at the top of the battery cell 1 are attached, and the power supply connecting wire 3 is pulled out from a wire hole 14 of the insulation plates 4;
the fourth step: use nylon adhesive tape 8 to twine six insulation boards 4 fixedly to leave the gap with the opening on insulation board 4 surface, use aluminium system protection film 9 at last also to wrap up into nylon adhesive tape 8, and leave the gap that corresponds insulation board 4.
According to the invention, the through plate 10 is arranged, so that the lower hook plate 503 can pass through the upper hook plate 506, the connection firmness of the lower hook plate 503 and the upper hook plate 506 is enhanced, and the unstable shaking phenomenon after the lower hook plate 503 and the upper hook plate 506 are connected is avoided.
According to the invention, the through hole 11 and the connecting pad 12 are arranged, and the square conical connecting pad 12 enables the through plate 10 to enter the through hole 11 and then to be firmly contacted with the connecting pad 12, so that the phenomenon that the through plate 10 shakes and falls off is avoided.
According to the invention, the first connecting glue layer 501 and the second connecting glue layer 504 are arranged, so that the first substrate 502 and the second substrate 505 can be connected to the inner wall of the insulating plate 4, and the lower hook plate 503 and the upper hook plate 506 can be conveniently connected.
According to the invention, the wire hole 14 and the protective pad 15 are arranged, so that a user can conveniently connect the power supply connecting wire 3 out, the protective pad 15 can prevent external impurities from entering a gap between the power supply connecting wire 3 and the wire hole 14, and meanwhile, the protective pad can protect the power supply connecting wire 3 at the gap, so that the phenomenon that the power supply connecting wire 3 is broken due to too many bending times is avoided.
The board 503 laminating of colluding with the lower of colluding of the board 506 and the 4 inner walls of insulation board of 1 both sides of electric core is connected to what make collude the board 10 that runs through at board 503 top down pass collude board 506 can, laminate the insulation board 4 at 1 top of electric core afterwards, make the connection of insulation board and electric core more firm and stable, avoid electric core to appear easily in the insulation board inside and rock the phenomenon of aversion.
Example two
The shock-absorbing component comprises a third connecting glue layer 601, the third connecting glue layer 601 is located between the first connecting glue layer 501 and the second connecting glue layer 504, the fixed surface of the third connecting glue layer 601 is connected with a cushion plate 602, the fixed surface of the cushion plate 602 is connected with a bump 603, the bottom fixedly connected with cushion pad 604 on the inner wall of the insulating plate 4, the top fixedly connected with corrugated pad 605 of the cushion pad 604, the front side and the rear side of the top of the inner wall of the insulating plate 4 are fixedly connected with a fastening plate 606, the bottom fixedly connected with fastening pad 607 of the fastening plate 606, the bottom of the fastening pad 607 is contacted with the top of the control panel 2.
The number of the third adhesive layers 601 is eight, the backing plate 602 is made of rubber, the number of the bumps 603 is several, the bumps 603 are uniformly distributed on the surface of the backing plate 602, and the bumps 603 are made of elastic rubber.
The corrugated pad 605 is made of silica gel, and the top of the corrugated pad 605 is in close contact with the bottom of the battery cell 1.
When soft packet of lithium cell drops or collides with, 1 surperficial backing plate 602 all around of electric core can collide through lug 603, the lug 603 of elasticity rubber material and the backing plate 602 of rubber material can weaken the impact force, avoid electric core 1 to receive great impact aversion or damage, and the bottom of electric core 1 can be protected by the fastening pad 607 location at blotter 604 and its top, the top of electric core 1 can be supported tight board 606 and fastening pad 607 location protection, form all-round shock attenuation protection to electric core 1 from electric core 1 all around and top and bottom.
EXAMPLE III
The heat dissipation part comprises an air inlet 701, an arc-shaped plate 702 fixedly connected with the tops of two sides of the inner wall of the insulating plate 4 and located at the top of the air inlet 701, a concave block 703 fixedly connected with the two sides of the bottom of the inner wall of the insulating plate 4 and used for matching with the arc-shaped plate 702, the top of the arc-shaped plate 702 extends to the inside of the concave block 703, and a heat dissipation opening 704 is formed in the top of the inner wall of the insulating plate 4.
The arc-shaped plate 702 is arranged in a semicircular shape, the inner wall of the concave block 703 is fixedly connected with a filling pad 13, and the filling pad 13 is tightly contacted with the arc-shaped plate 702.
According to the invention, the filling pad 13 is arranged, so that the stability of the arc-shaped plate 702 in the insulating plate 4 can be enhanced, the phenomenon that the arc-shaped plate 702 falls off when the soft package battery is collided and impacted is avoided, and the reinforcing and positioning effects on the arc-shaped plate 702 are achieved.
When the internal temperature of the insulating plate 4 rises, external cold air can enter air through the air inlets 701 at the two sides of the insulating plate 4, the cold air dissipates heat to the battery cell 1 to form hot air, the hot air rises and is guided by the arc-shaped plate 702 to be discharged through the heat dissipation port 704, and the heat dissipation effect is improved.
Principle of operation
When the flexible package lithium battery is used, a user connects a control panel with a battery cell 1 through a wire, then fixes a control panel 2 on the top of the battery cell 1, then connects a power supply connecting wire 3 with the control panel 2, then attaches an insulating plate 4 at the bottom of the battery cell 1, makes a cushion pad 604 at the top of the insulating plate 4 at the bottom and a corrugated pad 605 at the top of the cushion pad 604 contact with the bottom of the battery cell 1, then attaches the insulating plates 4 around the battery cell 1, moves the battery cell 1 from top to bottom, attaches upper hook plates 506 at two sides of the battery cell 1 with lower hook plates 503 on the inner wall of the insulating plate 4, and makes a penetrating plate 10 at the top of the lower hook plates 503 penetrate through the upper hook plates 506, then attaches the insulating plate 4 at the top of the battery cell 1, pulls the power supply connecting wire 3 out of a wire hole 14 of the insulating plate 4, finally wraps and fixes the insulating plates 4 through a nylon adhesive tape 8 and an aluminum protective film 9, thereby completing the assembly of the flexible package lithium battery, when the inside temperature of insulation board 4 risees, external cold wind can pass through the air intake 701 air inlet of insulation board 4 both sides, cold wind forms steam after dispelling the heat to electric core 1, steam rises and discharges through arc 702 guide through thermovent 704 at last, the radiating efficiency is improved, when soft-packaged lithium battery drops or collides with, electric core 1 surface backing plate 602 all around can collide with through lug 603, lug 603 of elastic rubber material and the backing plate 602 of rubber material can weaken the impact force, avoid electric core 1 to receive great impact displacement or damage, and the bottom of electric core 1 can be protected by the fastening pad 607 location at blotter 604 and its top, the top of electric core 1 can be protected by abutting plate 606 and fastening pad 607 location, form omnidirectional shock attenuation protection to electric core 1 from electric core 1 all around and top and bottom, strengthen electric core 1's protective effect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a soft packet of lithium cell electricity core module package assembly which characterized in that: the battery comprises a battery cell (1), a control panel (2), a power connecting wire (3), an insulating plate (4), a connecting part, a damping part and a heat dissipation part, wherein the control panel (2) is connected to the top of the battery cell (1) through a wire, the power connecting wire (3) is connected with the control panel (2) through a wire, the insulating plate (4) is sleeved on the surfaces of the battery cell (1) and the control panel (2), the power connecting wire (3) penetrates through the top of the insulating plate (4), the connecting part is fixedly connected to the periphery of the inner wall of the insulating plate (4), the damping part is fixedly connected to the periphery of the inner wall of the insulating plate (4) and the surface of the battery cell (1), and the heat dissipation part is arranged at the tops of two sides of the insulating plate (4);
the connecting component comprises a first connecting glue layer (501), a first substrate (502) is fixedly connected to one side, close to the battery cell (1), of the first connecting glue layer (501), a lower hook plate (503) is fixedly connected to one side, far away from the first connecting glue layer (501), of the first substrate (502), a second connecting glue layer (504) corresponding to the first connecting glue layer (501) is fixedly connected to the periphery of the surface of the battery cell (1), a second substrate (505) is fixedly connected to the surface of the second connecting glue layer (504), an upper hook plate (506) is fixedly connected to the surface of the second substrate (505), and the lower hook plate (503) is in contact with the upper hook plate (506);
the damping component comprises a third connecting glue layer (601), the third connecting glue layer (601) is located between a first connecting glue layer (501) and a second connecting glue layer (504), a backing plate (602) is fixedly connected to the surface of the third connecting glue layer (601), a bump (603) is fixedly connected to the surface of the backing plate (602), a cushion pad (604) is fixedly connected to the bottom of the inner wall of the insulating plate (4), a corrugated pad (605) is fixedly connected to the top of the cushion pad (604), both the front side and the rear side of the top of the inner wall of the insulating plate (4) are fixedly connected with a clamping plate (606), a clamping pad (607) is fixedly connected to the bottom of the clamping plate (606), and the bottom of the clamping pad (607) is in contact with the top of the control panel (2);
the heat dissipation part comprises an air inlet (701), arc-shaped plates (702) which are located at the tops of the air inlet (701) are fixedly connected to the tops of two sides of the inner wall of the insulating plate (4), concave blocks (703) which are matched with the arc-shaped plates (702) to use are fixedly connected to the two sides of the bottom of the inner wall of the insulating plate (4), the tops of the arc-shaped plates (702) extend to the inside of the concave blocks (703), and heat dissipation openings (704) are formed in the tops of the inner wall of the insulating plate (4).
2. The package lithium battery cell module assembly structure of claim 1, characterized in that: the quantity of insulation board (4) is six, the surface winding of six insulation boards (4) has nylon adhesive tape (8), the surface winding of nylon adhesive tape (8) has aluminium system protection film (9).
3. The package lithium battery cell module assembly structure of claim 1, characterized in that: collude board (503) down and collude board (506) on and all be "L" style of calligraphy setting, the top fixedly connected with who colludes board (503) down runs through board (10), the top that runs through board (10) runs through to the top that colludes board (506).
4. The package lithium battery cell module assembly structure of claim 3, characterized in that: go up the inside of colluding board (506) and seted up the cooperation and run through mouthful (11) that board (10) used, the inner wall fixedly connected with connection pad (12) of running through mouthful (11), the inner wall of connection pad (12) is the setting of square taper.
5. The package lithium battery cell module assembly structure of claim 1, characterized in that: the number of the first connecting glue layers (501) and the number of the second connecting glue layers (504) are eight, and the first connecting glue layers (501) and the second connecting glue layers (504) are uniformly distributed.
6. The package lithium battery cell module assembly structure of claim 1, characterized in that: the quantity of third connection glue film (601) is eight, the material of backing plate (602) is rubber, the quantity of lug (603) is a plurality of, and its a plurality of lug (603) evenly distributed is on the surface of backing plate (602), the material of lug (603) is elastic rubber.
7. The package lithium battery cell module assembly structure of claim 1, characterized in that: the corrugated pad (605) is made of silica gel, and the top of the corrugated pad (605) is in close contact with the bottom of the battery cell (1).
8. The package lithium battery cell module assembly structure of claim 1, characterized in that: the arc-shaped plate (702) is arranged in a semicircular shape, the inner wall of the concave block (703) is fixedly connected with a filling pad (13), and the filling pad (13) is in close contact with the arc-shaped plate (702).
9. The package lithium battery cell module assembly structure of claim 1, characterized in that: wire rod hole (14) that correspond power connecting wire (3) and use are seted up to the inside of insulation board (4), the inner wall fixedly connected with protection pad (15) in wire rod hole (14), protection pad (15) and power connecting wire (3) in close contact with.
10. An assembling method of a soft package lithium battery cell module;
the first step is as follows: selecting a proper battery cell (1), matching the type, voltage and internal resistance of the battery cell (1), and balancing the battery cell (1) before assembly;
the second step is that: the control panel is connected with the battery core (1) through a wire, then the control panel (2) is also fixed on the top of the battery core (1), insulating silica gel can be coated at the joint of the control panel and the battery core, and then the power supply connecting wire (3) is connected with the control panel (2);
the third step: the six insulation plates (4) are attached to the periphery of the battery cell (1) one by one, the insulation plates (4) are connected with the battery cell (1) through connecting parts on the inner wall of the insulation plates (4), the insulation plates (4) at the bottom of the battery cell (1) can be attached firstly, then the insulation plates (4) on the periphery of the battery cell (1) are attached, and then the insulation plates (4) at the top of the battery cell (1) are attached, and the power supply connecting wire (3) is pulled out from a wire rod hole (14) of the insulation plates (4);
the fourth step: the six insulating plates (4) are wound and fixed by using nylon adhesive tapes (8), gaps are reserved for openings on the surfaces of the insulating plates (4), and finally the nylon adhesive tapes (8) are wrapped by using aluminum protective films (9) and gaps corresponding to the insulating plates (4) are reserved.
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