CN111477786A - Power lithium battery pack connecting structure - Google Patents
Power lithium battery pack connecting structure Download PDFInfo
- Publication number
- CN111477786A CN111477786A CN202010155405.8A CN202010155405A CN111477786A CN 111477786 A CN111477786 A CN 111477786A CN 202010155405 A CN202010155405 A CN 202010155405A CN 111477786 A CN111477786 A CN 111477786A
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- China
- Prior art keywords
- lithium
- connection structure
- battery
- battery pack
- lithium 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
- 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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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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
-
- 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
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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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
-
- 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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- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the technical field of power lithium battery pack connecting structures, in particular to a power lithium battery pack connecting structure, which comprises a connecting structure body and a lithium battery, wherein a battery box is arranged on the outer side of the connecting structure body, the battery box is in a cuboid hollow structure, a through hole is formed in the bottom of the battery box, a plurality of guide plates are arranged on the top of the battery box, the inner walls of the guide plates are in an inclined structure, an electromagnetic shielding net is arranged between the guide plates, the lower parts of the guide plates are connected with sliding plates in a sliding way, the bottom of each sliding plate is connected with a pushing block through a hinge, the pushing block is sleeved inside the through hole, springs are vertically welded and fixed on the outer wall of each sliding plate, the lithium battery is sleeved between the sliding plates, when the lithium battery is used and expanded for a long time, the lithium battery is convenient to replace, and the electromagnetic shielding net is arranged between the guide plates to play a role of electromagnetic shielding.
Description
Technical Field
The invention relates to the technical field of lithium battery pack connecting structures, in particular to a power lithium battery pack connecting structure.
Background
The lithium ion power battery is applied to the electric automobile and needs a certain combination, so that a reliable combined connecting part is needed, the lithium battery for the automobile is a power battery of a hybrid electric automobile and the electric automobile, and the lithium battery has the advantages of high energy density, large capacity, no memory and the like because some technical properties of the nickel-hydrogen battery are close to theoretical limit values, so that the lithium battery is agreed with automobile manufacturers, and the lithium battery is developed by various countries at present and has the key point of lithium ion batteries.
The existing power lithium battery pack of the electric vehicle is fixedly connected through a base inside a battery box, a plurality of groups of lithium batteries are jointly used, the power lithium battery pack can be subjected to electromagnetic interference when in use, the operation of the lithium batteries is unstable, the electric energy transmission operation efficiency is low, and after the service life of the lithium batteries is prolonged, the power lithium battery pack is easy to expand and is clamped inside the battery box and difficult to disassemble.
Disclosure of Invention
The invention aims to provide a power lithium battery pack connecting structure.A dismounting person pushes a pushing block upwards to enable a sliding plate to move upwards, the top of the sliding plate slides upwards from the outer wall of a guide plate to enable the sliding plate to open towards two sides, so that the inner space of the sliding plate is enlarged, the pushing block is convenient to push a lithium battery upwards, the lithium battery is convenient to replace, and an electromagnetic shielding net is arranged between the guide plates to play a role of electromagnetic shielding; the multiunit lithium cell that provides in order to solve above-mentioned background art uses jointly, and it can receive electromagnetic interference when using, causes the lithium cell operation unstable, electric energy transmission operating efficiency is low, and the long back of lithium cell live time, easily sends out and rises, and the card is inside the battery case, is difficult to the problem of dismantling.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a power lithium cell group connection structure, includes connection structure body and lithium cell, the connection structure body outside is equipped with the battery case, the battery case is cuboid hollow structure, the battery case bottom is equipped with the through-hole, just a plurality of guide board has been seted up at the battery case top, guide inboard wall is the slope structure, just be equipped with the electromagnetic shield net between the guide board, guide board lower part sliding connection has the slide, there is the promotion piece slide bottom through hinged joint, promote the piece cup joint in inside the through-hole, just slide outer wall vertical welding is fixed with the spring, spring other end welded fastening in inside the battery case, just the lithium cell cup joint in between the slide.
Preferably, a plurality of air holes are uniformly formed in the bottom of the battery box, and the air holes are formed in the bottom of the pushing block.
Preferably, the top of the pushing block is of a hollow structure, and a pushing rod is arranged on the lower portion of the pushing block.
Preferably, the electromagnetic shielding net is an eighty-mesh shielding net, and the electromagnetic shielding net is welded between the sliding plate and the electromagnetic shielding net.
Preferably, the lithium cell is the cuboid structure, just the lithium cell top is equipped with the electrode, just connect through the wire between the lithium cell.
Preferably, the battery box is provided with a groove, and two sides of the groove are provided with fixing legs.
Preferably, the bottom of the battery box is connected with a box cover through threads, and a charge-discharge interface is arranged at the top of the box cover.
Preferably, the outer layers of the battery box and the box cover are wrapped with metal magnetic fibers;
the metal magnetic fiber is formed by uniformly mixing and weaving 95% of hollow glass fiber and 5% of ferromagnetic fiber; and (3) coating a flame-retardant fireproof coating on the metal magnetic fiber, controlling the coating thickness to be 160-180 mu m, and drying.
Preferably, the flame-retardant fireproof coating comprises 10-15% of expandable graphite, 15-20% of expandable flaky hydromica and 60-80% of silica sol.
Compared with the prior art, the invention has the beneficial effects that:
1. among this power lithium cell group connection structure, after the lithium cell uses for a long time and rises, dismantlement personnel promote the piece through upwards promoting, make slide upward movement, and the slide top upwards slides from guide board outer wall, makes the slide open to both sides, and increase slide inner space is convenient for promote the piece and upwards release the lithium cell, makes the lithium cell be convenient for change, is equipped with the electromagnetic shield net between the guide board, plays electromagnetic shield's effect.
2. Expandable graphite and metal magnetic fibers are introduced; because the expandable graphite can resist flame and fire and is a conductive material, and the metal magnetic fiber is a magnetic conductive material, the electromagnetic radiation resisting material and the electromagnetic wave absorbing material with excellent performance can be obtained by performing impedance matching through proper chemical composition.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a battery case according to the present invention;
FIG. 2 is a schematic view of the overall assembly structure of the present invention;
FIG. 3 is a schematic diagram of a lithium battery according to the present invention;
in the figure: 1. a connection structure body; 2. a battery case; 21. a groove; 22. a fixed leg; 23. air holes are formed; 24. an electromagnetic shielding mesh; 25. a slide plate; 26. a pushing block; 261. a push rod; 27. a guide plate; 28. a through hole; 29. a spring; 3. a box cover; 31. a charge-discharge interface; 4. a lithium battery; 41. and an electrode.
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. 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 invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "centerline", "longitudinal", "lateral", "length", "width", "thickness", "depth", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, also in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1
A power lithium battery pack connecting structure aims to solve the problems that when a plurality of groups of lithium batteries are used together, the lithium batteries are subjected to electromagnetic interference when in use, so that the operation of the lithium batteries is unstable, the electric energy transmission operation efficiency is low, and the lithium batteries are easy to expand after long service time and are clamped in a battery box and difficult to disassemble, as a preferred embodiment, as shown in figure 1, figure 2 and figure 3, the power lithium battery pack connecting structure comprises a connecting structure body 1 and the lithium batteries 4, a battery box 2 is arranged on the outer side of the connecting structure body 1, the battery box 2 is of a cuboid hollow structure, a through hole 28 is formed in the bottom of the battery box 2, a plurality of guide plates 27 are arranged on the top of the battery box 2, the inner walls of the guide plates 27 are of an inclined structure, an electromagnetic shielding net 24 is arranged between the guide plates 27, a sliding plate 25 is connected, and slide 25 outer wall vertical welded fastening has spring 29, and inside spring 29 other end welded fastening was in battery case 2, and lithium cell 4 cup jointed between slide 25, after the lithium cell used for a long time and sent out the rise, dismantlement personnel pushed away piece 26 through upwards promoting, made slide 25 up-ward movement, slide 25 top from guide board 27 outer wall upwards sliding, made slide 25 open to both sides, be convenient for push away piece 26 with lithium cell 4 upwards promotion.
In this example, a plurality of bleeder vent 23 has evenly been seted up to battery case 2 bottom, and bleeder vent 23 sets up in promotion piece 26 bottom, is convenient for dispel the heat to lithium cell 4.
Further, promote the piece 26 top and be hollow out construction, be convenient for discharge lithium cell 4's heat through hollow out construction, and promote the piece 26 lower part and be equipped with catch bar 261, be convenient for dismantle personnel and promote.
Specifically, the electromagnetic shielding net 24 is an eighty-mesh shielding net, and the electromagnetic shielding net 24 is welded to the sliding plate 25 to prevent the lithium battery 4 from being subjected to electromagnetic interference, so that an electromagnetic shielding effect is achieved.
Besides, lithium cell 4 is the cuboid structure, and lithium cell 4 top is equipped with electrode 41, and connects through the wire between the lithium cell 4, is convenient for use a plurality of lithium cells 4 simultaneously.
Furthermore, the battery box 2 is provided with a groove 21, and fixing legs 22 are arranged on two sides of the groove 21, so that the air holes 23 can conveniently discharge heat generated in the working process of the lithium battery 4 from the groove 21.
Specifically, there is lid 3 battery case 2 bottom through threaded connection, just 3 tops of lid are equipped with charge-discharge interface 31, and lid 3 plays dirt-proof effect.
Specifically, the outer layers of the battery box 2 and the box cover 3 are wrapped with metal magnetic fibers;
the metal magnetic fiber is formed by uniformly mixing and weaving 95% of hollow glass fiber and 5% of ferromagnetic fiber; and (3) coating a flame-retardant fireproof coating on the metal magnetic fiber, controlling the coating thickness to be 160-180 mu m, and drying.
Specifically, the flame-retardant fireproof coating comprises 10-15% of expandable graphite, 15-20% of expandable flaky hydromica and 60-80% of silica sol.
When the lithium battery dismantling device is used, firstly, the lithium battery 4 is placed in a gap between the sliding plates 25, the springs 29 are vertically welded and fixed on the outer walls of the sliding plates 25, the lithium battery 4 can be fixed, the springs 29 can also play a role in shock absorption, the lithium batteries 4 are connected through the wires, when the lithium battery is used for a long time and is expanded, a dismantling person upwards pushes the pushing block 26 to enable the sliding plates 25 to move upwards, the top parts of the sliding plates 25 slide upwards from the outer walls of the guide plates 27, the sliding plates 25 are opened towards two sides, the inner space of the sliding plates 25 is enlarged, the lithium battery 4 is conveniently pushed upwards by the pushing block 26, after the lithium battery 4 is dismantled, the sliding plates 25 fall back to the initial position due to the action of gravity and the contraction of the springs, the electromagnetic shielding net 24 is arranged between the guide plates 27, the electromagnetic shielding net 24 is an eighty-mesh shielding, and the electromagnetic shielding function is achieved.
In the power lithium battery pack connecting structure, when the lithium battery is used for a long time and is expanded, a disassembling person pushes the pushing block upwards to enable the sliding plate to move upwards, the top of the sliding plate slides upwards from the outer wall of the guide plate to enable the sliding plate to be opened towards two sides, the internal space of the sliding plate is enlarged, the pushing block can push the lithium battery upwards conveniently, the lithium battery is convenient to replace, and the electromagnetic shielding net is arranged between the guide plates to play a role of electromagnetic shielding.
Expandable graphite and metal magnetic fibers are introduced; because the expandable graphite can resist flame and fire and is a conductive material, and the metal magnetic fiber is a magnetic conductive material, the electromagnetic radiation resisting material and the electromagnetic wave absorbing material with excellent performance can be obtained by performing impedance matching through proper chemical composition.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a power lithium cell group connection structure, includes connection structure body (1) and lithium cell (4), its characterized in that: connection structure body (1) outside is equipped with battery case (2), battery case (2) are cuboid hollow structure, battery case (2) bottom is equipped with through-hole (28), just a plurality of guide board (27) have been seted up at battery case (2) top, guide board (27) inner wall is the slope structure, just be equipped with electromagnetic shielding net (24) between guide board (27), guide board (27) lower part sliding connection has slide (25), there is promotion piece (26) slide (25) bottom through hinged joint, promote piece (26) cup joint in inside through-hole (28), just slide (25) outer wall vertical welding is fixed with spring (29), spring (29) other end welded fastening is in inside battery case (2), just lithium cell (4) cup joint in between slide (25).
2. The lithium kinetic battery pack connection structure of claim 1, wherein: a plurality of air holes (23) are uniformly formed in the bottom of the battery box (2), and the air holes (23) are formed in the bottom of the pushing block (26).
3. The lithium kinetic battery pack connection structure of claim 1, wherein: the top of the pushing block (26) is of a hollow structure, and a pushing rod (261) is arranged on the lower portion of the pushing block (26).
4. The lithium kinetic battery pack connection structure of claim 1, wherein: the electromagnetic shielding net (24) is an eighty-mesh shielding net, and the electromagnetic shielding net (24) is welded between the sliding plate (25).
5. The lithium kinetic battery pack connection structure of claim 1, wherein: lithium cell (4) are the cuboid structure, just lithium cell (4) top is equipped with electrode (41), just connect through the wire between lithium cell (4).
6. The lithium kinetic battery pack connection structure of claim 1, wherein: the battery box is characterized in that a groove (21) is formed in the bottom of the battery box (2), and fixing legs (22) are arranged on two sides of the groove (21).
7. The lithium kinetic battery pack connection structure of claim 1, wherein: the battery box is characterized in that the bottom of the battery box (2) is connected with a box cover (3) through threads, and a charge-discharge interface (31) is arranged at the top of the box cover (3).
8. The lithium kinetic battery pack connection structure of claim 7, wherein: the outer layers of the battery box (2) and the box cover (3) are wrapped with metal magnetic fibers;
the metal magnetic fiber is formed by uniformly mixing and weaving 95% of hollow glass fiber and 5% of ferromagnetic fiber; and (3) coating a flame-retardant fireproof coating on the metal magnetic fiber, controlling the coating thickness to be 160-180 mu m, and drying.
9. The lithium kinetic battery pack connection structure of claim 8, wherein: the flame-retardant fireproof coating comprises 10-15% of expandable graphite, 15-20% of expandable flaky hydromica and 60-80% of silica sol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155405.8A CN111477786A (en) | 2020-03-09 | 2020-03-09 | Power lithium battery pack connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155405.8A CN111477786A (en) | 2020-03-09 | 2020-03-09 | Power lithium battery pack connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111477786A true CN111477786A (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010155405.8A Withdrawn CN111477786A (en) | 2020-03-09 | 2020-03-09 | Power lithium battery pack connecting structure |
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| CN (1) | CN111477786A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071247A (en) * | 2021-04-14 | 2021-07-06 | 宫雨乔 | Font is from dropping out formula electromagnetism clipboard |
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2020
- 2020-03-09 CN CN202010155405.8A patent/CN111477786A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071247A (en) * | 2021-04-14 | 2021-07-06 | 宫雨乔 | Font is from dropping out formula electromagnetism clipboard |
| CN113071247B (en) * | 2021-04-14 | 2023-01-24 | 宫雨乔 | Font self-dropping type electromagnetic writing board |
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Application publication date: 20200731 |