CN111081912A - Lithium battery tab connecting device - Google Patents
Lithium battery tab connecting device Download PDFInfo
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- CN111081912A CN111081912A CN201911162302.8A CN201911162302A CN111081912A CN 111081912 A CN111081912 A CN 111081912A CN 201911162302 A CN201911162302 A CN 201911162302A CN 111081912 A CN111081912 A CN 111081912A
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- battery
- mounting
- clamping
- clamping block
- 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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/147—Lids or covers
- H01M50/155—Lids or covers characterised by the material
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
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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
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
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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
- H01M50/50—Current conducting connections for cells or batteries
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to the field of lithium batteries, in particular to a lithium battery tab connecting device which comprises a lithium battery pack, a battery pack mounting assembly, a mounting base, a housing cover, a housing shell, a plurality of wires, a plurality of battery tabs and two sets of tab connecting assemblies, wherein the battery pack mounting assembly is fixedly arranged on the mounting base, the two sets of tab connecting assemblies are respectively positioned on two sides of the battery pack mounting assembly, the lithium battery pack comprises a plurality of 18650 lithium batteries which are sequentially distributed, each 18650 lithium battery is detachably mounted on the battery pack mounting assembly, the plurality of battery tabs are respectively electrically connected with two poles of each 18650 lithium battery and are mutually connected in parallel through the wires, the technical scheme solves the detachable mounting design of the lithium batteries, is convenient for mounting and replacing the lithium batteries in the battery mounting assembly, and the tab connecting assemblies can more efficiently and stably connect the whole, the stability of equipment output current and the security of equipment have been improved, prevent to take place the short circuit condition inside.
Description
Technical Field
The invention relates to the field of lithium batteries, in particular to a lithium battery tab connecting device.
Background
The lithium battery has the advantages of light weight, large capacity, no memory effect and the like, so that the lithium battery is generally applied, namely, a plurality of digital devices adopt the lithium battery as a power supply, and devices such as a charger and the like which are convenient to carry with sound also adopt the lithium battery as the power supply in large quantity. The lithium battery has high energy density, the capacity of the lithium battery is 1.5-2 times that of a nickel-metal hydride battery with the same weight, and the lithium battery has low self-discharge rate. In addition, the advantages of almost no memory effect and no toxic substances in the lithium battery are also important reasons for the wide application of the lithium battery. 18650 the theory of battery life is that 1 lithium battery tab connecting device of cycle charge 0 times. 18650 has very good stability in operation, and can be widely applied to various electronic fields, such as high-grade high-light flashlight, portable power supply, wireless data transmitter, electric heating thermal clothes, shoes, portable instruments and meters, portable lighting equipment, portable printer, industrial instruments, medical instruments and the like, wherein the energy storage of a single lithium battery is limited, and for a high-power supply requiring lithium batteries, a plurality of lithium batteries are required to form a battery pack to meet the requirements of high energy storage and high power, so that a reasonably designed mechanism is required to connect the lithium batteries. Because the current of the battery pack is very large and the battery pack may be vibrated to cause loose connection during operation, the battery tabs must be reliably connected and the contact resistance is very small.
The conventional lithium battery tab is connected by adopting a welding mode and a bolt or rivet locking mode, but the following problems are often caused: the adopted welding mode needs special welding equipment mainly for ultrasonic welding, the number of the electrode lugs of the battery pack with larger capacity is more, the number of the electrode lugs is more than one hundred layers along with the increase of the capacity, the requirement on the power of an ultrasonic welding machine is very high, the electrode lugs with more than 50 layers are difficult to weld firmly, the electrode lugs with the multiple layers are easy to become brittle and break after being welded by ultrasonic waves, so that the battery pack is scrapped, in addition, the adopted welding mode is difficult to lead out a wire for voltage measurement, when one battery is damaged, the battery pack cannot be disassembled, and must be integrally replaced; the mode of adopting bolt or rivet locking is to punch holes on multiple layers of tabs together and then lock the tabs together with the bolts or rivets, and the connection mode is clumsy, short circuit is easily caused among the tabs, and insulation treatment is difficult to carry out.
The conventional lithium battery tab connection adopts a welding mode or locking modes such as rivets and the like, special welding equipment is necessary by adopting the welding mode, mainly ultrasonic welding is adopted, the number of the tab layers of a battery pack with larger capacity is more, the number of the tab layers is more than one hundred along with the increase of the capacity, the requirement on the power of an ultrasonic welding machine is very high, the tab with more than 50 layers is difficult to weld firmly, and the multi-layer tab is easy to become brittle and break after being welded by ultrasonic waves, so that the battery pack is scrapped, in addition, a lead is difficult to be led out for voltage measurement by adopting the welding mode, the lead cannot be disassembled when one battery is damaged, the whole lithium battery pack needs to be replaced, the rivets and the like are used for locking, so that short circuit is easy to cause, and insulation treatment is difficult to be carried out, when the 18650 lithium battery is applied to equipment such as a charger, thereby improve equipment's life, increase the practicality, but this type equipment is difficult for accomplishing convenient dismantlement and installation lithium cell at present.
Therefore, it is necessary to design a 18650 lithium battery tab connection device which can rapidly install and remove a battery pack, can connect multiple sets of tabs together, and has good insulation and energization effects.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a lithium battery tab connecting device, the technical scheme solves the detachable installation design of 18650 lithium batteries, the battery installation seat and the clamping seat can be detachably connected through the clamping mechanism, the 18650 lithium batteries in the battery installation assembly can be conveniently installed and replaced, the practicability of equipment is improved, the tab connecting assembly can more efficiently and stably connect the whole battery pack in parallel, and the stability of output current of the equipment is improved. The safety of the equipment is improved, and the short circuit condition is prevented from occurring inside.
In order to solve the technical problems, the invention provides the following technical scheme:
a lithium battery tab connecting device comprises a lithium battery pack, a battery pack mounting assembly, a mounting base and a shell cover, shell case, a plurality of wire, a plurality of battery tab and two sets of utmost point ear coupling assembling, the installation base sets up inside shell case, the opening direction of installation base is unanimous with shell case's opening direction, the fixed setting of group battery installation component is on the installation base, utmost point ear coupling assembling slidable installs on the installation base, two sets of utmost point ear coupling assembling are located group battery installation component's both sides respectively, utmost point ear coupling assembling's output is connected to the one end of wire, the other end of wire runs through installation base and shell case and outwards extends, the lithium cell group is including the 18650 lithium cell that a plurality of distributes in proper order, every 18650 equal detachable of lithium cell installs on group battery installation component, a plurality of battery tab are connected and are parallelly connected each other through the wire.
As a lithium cell utmost point ear connecting device's an preferred scheme, group battery installation component is including two sets of latch mechanisms, battery mount pad and joint seat, battery mount pad fixed mounting is on the mount pad base, the top of battery mount pad is equipped with a plurality of first mounting grooves, joint seat bottom is equipped with a plurality of and first mounting groove complex second mounting groove, 18650 lithium cell detachable installs between first mounting groove and second mounting groove, two sets of latch mechanisms are located the both ends of battery mount pad and joint seat respectively, the joint seat is connected with battery mount pad detachable through two sets of latch mechanisms.
As a preferred scheme of the lithium battery tab connecting device, the clamping mechanism comprises a press switch, a T-shaped clamping block, two abutting columns, two abutting blocks and two clamping columns, the T-shaped clamping block comprises a vertical clamping block and a horizontal clamping block, the bottom of the vertical clamping block is fixedly connected with the middle part of the top end of the horizontal clamping block, a through groove is arranged on the clamping seat, the T-shaped clamping block is fixedly arranged on the through groove, the vertical clamping block is arranged in the through groove, the top of the horizontal clamping block is flush with the bottom surface of the clamping seat, the press switch is vertically arranged and is connected with the vertical clamping block in a sliding way, the two abutting columns are respectively arranged at the two ends of the horizontal clamping block in a sliding way, the press switch is connected with one end of the two clamping blocks in a transmission way, the two clamping columns and the two abutting blocks are respectively arranged at one side of the battery mounting seat in a sliding way, the two clamping grooves for the clamping columns to pass through are respectively arranged at the two, the joint post is connected with the transmission of the piece that rises that supports, and two pieces that rise are located the both sides of horizontal joint piece respectively, and the both sides of horizontal joint piece are equipped with two inclined planes that retract gradually along vertical face respectively, and two pieces that rise are close to once of horizontal joint piece all be equipped with along the convex surface of vertical direction gradually proud, convex surface and inclined plane laminate each other, and piece and T type joint piece that rises pass through convex surface and inclined plane transmission fit.
As a preferred scheme of the lithium battery tab connecting device, a third mounting groove for mounting the lifting block is arranged on the battery mounting seat, a first limit connecting column is fixedly and horizontally arranged on one side of the lifting block, which is far away from the horizontal clamping block, the first limit connecting column is connected with the battery mounting seat in a sliding way through the side wall of the third mounting groove, the clamping mechanism also comprises a first tension spring, one end of the first tension spring is fixedly connected with the side wall of the third mounting groove, the other end of the first tension spring is fixedly connected with the side wall of the lifting block, which is far away from the horizontal clamping block, the first tension spring is sleeved on the first limit connecting column, limit grooves are also arranged on the side walls at the two ends of the third mounting groove, the clamping mechanism is also provided with a limit block and a first spring, the limit block is fixedly arranged in the limit grooves, a second limit connecting column is fixedly arranged on one side of the clamping column, which is, the first spring is horizontally sleeved on the second limiting connecting column, one end of the first spring is fixedly connected with the side wall of the limiting block, and the other end of the first spring is fixedly connected with the side wall of the clamping column.
As a lithium cell utmost point ear connecting device's an preferred scheme, the clamping mechanism is still including two first articulated links and four second articulated links, first articulated link sets up in the inside of T type joint piece, the one end of two first articulated links is articulated with press switch's bottom, the other end of two first articulated links is articulated with the one end of keeping away from the joint post to the post respectively, the one end of per two second articulated links is articulated with one side lateral wall of one of them joint post respectively, the other end is articulated with one side that the horizontal joint piece was kept away from to two piece of rising respectively.
As a preferred scheme of lithium cell utmost point ear connecting device, the clamping mechanism is still including second spring and second extension spring, and the vertical setting of second spring is inside vertical joint piece, the top of second spring and press the bottom fixed connection of switch, the bottom of second spring and the inside fixed connection of T type joint piece, and second extension spring level sets up in the inside of horizontal joint piece, and the both ends of second extension spring are respectively with two both ends fixed connection that support the post and be close to each other.
As a lithium battery tab connecting device's an preferred scheme, utmost point ear coupling assembling is including a plurality of groups of bipolar ear coupling mechanism, every group bipolar ear coupling mechanism all includes two metal and leads electrical pillar, two insulating mount pads and insulating fixed block, the vertical slidable of insulating mount pad is installed on the inside bottom surface of mount pad, metal leads electrical pillar horizontal fixed mounting on insulating mount pad, the lateral wall fixed connection of insulating fixed block and mount pad is passed through to the one end that two adjacent battery utmost point ears of battery link to each other, the one end that the metal led electrical pillar is contradicted with 18650 lithium cell's electrode, the other end that the metal led electrical pillar is contradicted with the one end of battery utmost point ear junction, the junction of two battery utmost point ears is connected with the wire, the wire is.
As a lithium cell utmost point ear connecting device's an preferred scheme, be equipped with a plurality of limit guide rails along 18650 lithium cell electrode both sides on the inboard bottom of installation base, the bottom of insulating mount pad be equipped with limit guide rail sliding fit's spacing guide way, the one side that 18650 lithium cells were kept away from to insulating mount pad is equipped with the third spring, the one end of third spring and the inboard lateral wall fixed connection of installation base, the lateral wall fixed connection of 18650 lithium cells one side is kept away from to the other end of third spring and insulating mount pad.
As an optimal scheme of the lithium battery tab connecting device, one end of the battery tab, which is close to the metal conductive column, is designed into a U shape with a certain gap, and the battery tab is made of an elastic material.
As a preferred scheme of a lithium battery tab connecting device, the shell cover and the shell body are both made of insulating materials, and the wires for connecting the battery tabs penetrate through the shell cover to extend outwards.
Compared with the prior art, the invention has the beneficial effects that:
battery installation component is used for installing 18650 lithium cell, it is fixed with 18650 lithium cell through battery mount pad and joint seat, accomplish the installation work to the group battery, battery mount pad and joint seat can realize detachable through latch mechanism and connect, thereby be convenient for install and change the operation to the inside 18650 lithium cell of battery installation component, the practicality of equipment has been improved, 18650 the two poles of the earth of lithium cell lead the electric energy to derive the battery tab through the metal on, rethread wire derives equipment, two homopolar battery tabs that 18650 lithium cell are close to each other can be connected to utmost point lug coupling assembling, thereby more convenient parallelly connected whole group battery, the stability of equipment output current has been improved. The shell cover and the shell body made of insulating materials guarantee that electric leakage of the equipment cannot occur in the using process, the safety of the equipment is guaranteed, and the stability of current inside the equipment can be guaranteed by the insulating mounting seat and the insulating fixing block, so that the short-circuit situation is prevented from occurring inside.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention with the housing cover removed;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is an exploded perspective view of the battery pack mounting assembly of the present invention;
FIG. 5 is a schematic perspective view of the latch mechanism of the present invention;
FIG. 6 is a side view of FIG. 5;
FIG. 7 is an exploded perspective view of the latch mechanism of the present invention;
FIG. 8 is a front view of FIG. 7;
fig. 9 is a schematic perspective view of a tab connection assembly according to the present invention;
fig. 10 is a partial perspective view of the present invention.
The reference numbers in the figures are:
the lithium battery pack comprises a lithium battery pack 1, a battery pack mounting component 2, a mounting base 3, a housing shell cover 4, a housing shell body 5, a lead 6, a battery tab 7, a tab connecting component 8, a 18650 lithium battery 9, a clamping mechanism 10, a battery mounting seat 11, a clamping seat 12, a first mounting groove 13, a second mounting groove 14, a press switch 15, a T-shaped clamping block 16, a support column 17, a support lifting block 18, a clamping column 19, a vertical clamping block 20 and a horizontal clamping block 21, the connecting device comprises a through groove 22, a clamping groove 23, an inclined surface 24, a convex surface 25, a third mounting groove 26, a first limiting connecting column 27, a first tension spring 28, a limiting groove 29, a limiting block 30, a first spring 31, a second limiting connecting column 32, a first hinge rod 33, a second hinge rod 34, a second spring 35, a second tension spring 36, a metal conductive column 37, an insulating mounting seat 38, an insulating fixing block 39, a limiting guide rail 40, a limiting guide groove 41 and a third spring 42.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-10, a lithium battery tab connection device comprises a lithium battery pack 1, a battery pack mounting assembly 2, a mounting base 3, a housing cover 4, a housing 5, a plurality of wires 6, a plurality of battery tabs 7 and two sets of tab connection assemblies 8, wherein the mounting base 3 is arranged inside the housing 5, the opening direction of the mounting base 3 is consistent with the opening direction of the housing 5, the battery pack mounting assembly 2 is fixedly arranged on the mounting base 3, the tab connection assemblies 8 are slidably arranged on the mounting base 3, the two sets of tab connection assemblies 8 are respectively arranged at two sides of the battery pack mounting assembly 2, one end of each wire 6 is connected with the output end of the tab connection assembly 8, the other end of each wire 6 penetrates through the mounting base 3 and the housing 5 to extend outwards, the lithium battery pack 1 comprises a plurality of 18650 lithium batteries 9 which are distributed in sequence, each 18650 lithium battery 9 is detachably mounted on the battery, a plurality of battery tabs 7 are electrically connected to both poles of each 18650 lithium battery 9, respectively, and are connected in parallel with each other through a lead 6.
Group battery installation component 2 is including two sets of latch mechanisms 10, battery mount pad 11 and joint seat 12, 11 fixed mounting of battery mount pad are on the mount pad base, 11 top of battery mount pad is equipped with a plurality of first mounting grooves 13, joint seat 12 bottom is equipped with a plurality of and first mounting groove 13 complex second mounting groove 14, 18650 installation of lithium cell 9 detachable is between first mounting groove 13 and second mounting groove 14, two sets of latch mechanisms 10 are located the both ends of 11 and the joint seat 12 of battery mount pad respectively, joint seat 12 is connected with 11 detachable of battery mount pad through two sets of latch mechanisms 10. When the group battery needs to be installed, battery installation component is used for installing 18650 lithium cell 9, install 18650 lithium cell 9 into inside battery installation component through first mounting groove 13 on battery mount pad 11, second mounting groove 14 on rethread joint seat 12 is fixed 18650 lithium cell 9, accomplish the installation work to the group battery, battery mount pad 11 and joint seat 12 can realize detachable through latch mechanism 10 and connect, thereby be convenient for install and change the operation to the inside 18650 lithium cell 9 of battery installation component, the practicality of equipment has been improved.
The clamping mechanism 10 comprises a press switch 15, a T-shaped clamping block 16, two abutting columns 17, two abutting lifting blocks 18 and two clamping columns 19, the T-shaped clamping block 16 comprises a vertical clamping block 20 and a horizontal clamping block 21, the bottom of the vertical clamping block 20 is fixedly connected with the middle part of the top end of the horizontal clamping block 21, a through groove 22 is arranged on the clamping seat 12, the T-shaped clamping block 16 is fixedly arranged on the through groove 22, the vertical clamping block 20 is arranged in the through groove 22, the top of the horizontal clamping block 21 is flush with the bottom surface of the clamping seat 12, the press switch 15 is vertically arranged, the press switch 15 is connected with the vertical clamping block 20 in a sliding manner, the two abutting columns 17 are respectively arranged at two ends of the horizontal clamping block 21 in a horizontal sliding manner, the press switch 15 is in transmission connection with one end of the two clamping blocks, the two clamping columns 19 and the two abutting lifting blocks 18 are both arranged at one side of the battery mounting seat 11 in a, horizontal joint piece 21's both ends are equipped with two joint grooves 23 that supply joint post 19 to pass respectively, joint post 19 is connected with the transmission of supporting rising piece 18, two support rising piece 18 are located the both sides of horizontal joint piece 21 respectively, the both sides of horizontal joint piece 21 are equipped with two inclined planes 24 that retract gradually along vertical face respectively, two support rising piece 18 all be equipped with and follow vertical direction convex surface 25 before gradually near horizontal joint piece 21 once, convex surface 25 and inclined plane 24 laminate each other, support rising piece 18 and T type joint piece 16 through convex surface 25 and 24 transmission coordination on inclined plane. When the clamping mechanism 10 works, the battery mounting seat 11 and the clamping seat 12 can realize the detachable clamping function through the abutting-lifting block 18 and the two clamping columns 19 which are arranged on the battery mounting seat 11, and the press switch 15, the T-shaped clamping block 16 and the two abutting columns 17 which are arranged on the clamping seat 12, the battery mounting seat 11 and the clamping seat 12 are separated from the clamping state by manually pressing the press switch 15, when the battery needs to be replaced, the press switch 15 is manually pressed, the press switch 15 moves downwards in the vertical clamping block 20, the two support posts 17 are driven to move towards the two ends along the length direction of the horizontal clamping block 21 towards the horizontal clamping block 21, thereby pushing the two clamping columns 19 out of the clamping grooves 23, the clamping columns 19 drive the two pushing blocks 18 to push in towards the horizontal clamping blocks 21, and then the T-shaped clamping block 16 is pushed out from the clamping state, thereby realizing the operation of separating from the clamping state.
The battery mounting seat 11 is provided with a third mounting groove 26 for mounting the lifting block 18, one side of the lifting block 18 far away from the horizontal clamping block 21 is fixedly horizontally provided with a first limiting connecting column 27, the first limiting connecting column 27 is connected with the battery mounting seat 11 in a sliding way through the side wall of the third mounting groove 26, the clamping mechanism 10 further comprises a first tension spring 28, one end of the first tension spring 28 is fixedly connected with the side wall of the third mounting groove 26, the other end of the first tension spring 28 is fixedly connected with the side wall of the lifting block 18 far away from the horizontal clamping block 21, the first tension spring 28 is sleeved on the first limiting connecting column 27, the side walls of the two ends of the third mounting groove 26 are also provided with limiting grooves 29, the clamping mechanism 10 is further provided with a limiting block 30 and a first spring 31, the limiting block 30 is fixedly mounted in the limiting grooves 29, one side of the clamping column 19 far away from the horizontal clamping block 21, the joint post 19 is connected with the stopper 30 through the spacing spliced pole 32 of second slidable, and the horizontal cover of first spring 31 is established on the spacing spliced pole 32 of second, the one end of first spring 31 and the lateral wall fixed connection of stopper 30, the other end of first spring 31 and the lateral wall fixed connection of joint post 19. When the clamping mechanism 10 clamps the battery mounting seat 11 and the clamping seat 12, the third mounting groove 26 is used for mounting and limiting the lifting block 18, the limiting groove 29 is used for mounting and limiting the clamping column 19, the first limiting connecting column 27 is matched with the first tension spring 28, it is ensured that the lifting block 18 can only move along the length direction of the first limiting connecting column 27 in the third mounting groove 26, the first tension spring 28 can reset to the initial position after the lifting block 18 finishes working, the second limiting connecting column 32 is matched with the first spring 31, it is ensured that the clamping column 19 can only move along the length direction of the first limiting connecting column 27 in the limiting block 30, and the first spring 31 can reset to the initial position after the clamping column 19 is separated from the clamping state.
The clamping mechanism 10 further comprises two first hinged rods 33 and four second hinged rods 34, the first hinged rods 33 are arranged inside the T-shaped clamping blocks 16, one ends of the two first hinged rods 33 are hinged to the bottom of the press switch 15, the other ends of the two first hinged rods 33 are hinged to one end, away from the clamping column 19, of each abutting column 17, one end of each second hinged rod 34 is hinged to one side wall of one clamping column 19, and the other end of each second hinged rod is hinged to one side, away from the horizontal clamping block 21, of each abutting block 18. When press switch 15 pressed, press switch 15 drove the motion of support post 17 through first articulated arm 33, when supporting post 17 with joint post 19 from horizontal joint piece 21 when supporting out, joint post 19 drives two through second articulated arm 34 and supports the motion of rising piece 18 towards T type joint piece 16 to the function of joint can be dismantled in the realization.
The clamping mechanism 10 further comprises a second spring 35 and a second tension spring 36, the second spring 35 is vertically arranged inside the vertical clamping block 20, the top of the second spring 35 is fixedly connected with the bottom of the press switch 15, the bottom of the second spring 35 is fixedly connected with the inside of the T-shaped clamping block 16, the second tension spring 36 is horizontally arranged inside the horizontal clamping block 21, and two ends of the second tension spring 36 are fixedly connected with two ends, close to the two support columns 17, respectively. After the latch seat 12 is completely disengaged, the second spring 35 rebounds the push switch 15 to the initial position by the elastic force, and the second tension spring 36 pulls the two abutting columns 17 back to the initial position again, thereby completing the reset operation of the latch mechanism 10.
The tab connection assembly 8 comprises a plurality of groups of bipolar tab connection mechanisms, each group of bipolar tab connection mechanisms comprises two metal conductive columns 37, two insulating mounting seats 38 and insulating fixing blocks 39, the insulating mounting seats 38 are vertically and slidably mounted on the bottom surface inside the mounting base 3, the metal conductive columns 37 are horizontally and fixedly mounted on the insulating mounting seats 38, one ends of the two adjacent battery tabs 7 are fixedly connected with the side wall of the mounting base 3 through the insulating fixing blocks 39, one ends of the metal conductive columns 37 are abutted to the electrodes of 18650 lithium batteries 9, the other ends of the metal conductive columns 37 are abutted to one ends of the junctions of the battery tabs 7, the junctions of the two battery tabs 7 are connected with wires 6, and the wires 6 are electrically connected with the battery tabs 7. After 18650 lithium cell 9 installation is accomplished, 18650 lithium cell 9's the two poles of the earth lead the electric energy through the metal on exporting battery tab 7, rethread wire 6 exports equipment, and tab connection subassembly 8 can connect two 18650 lithium cell 9 two homopolar battery tab 7 that are close to each other to more convenient couple together whole group battery, improved equipment output current's stability.
Be equipped with a plurality of spacing guide rails 40 along 18650 lithium cell 9 electrode both sides on the inboard bottom of mounting base 3, the bottom of insulating mount pad 38 is equipped with spacing guide rail 40 sliding fit's spacing guide way 41, one side that insulating mount pad 38 kept away from 18650 lithium cell 9 is equipped with third spring 42, the one end of third spring 42 and the inboard lateral wall fixed connection of mounting base 3, the lateral wall fixed connection of the other end of third spring 42 and insulating mount pad 38 keeping away from 18650 lithium cell 9 one side. When equipment is installed and is changed the battery, through the operation of installing the battery that slidable insulating mount pad 38 can be convenient, insulating mount pad 38 with both sides moves towards the direction of keeping away from the battery along limit rail 40's direction, drive metal and lead electrical pillar 37 and move together, and then can carry out the installation of battery, after the battery installation is accomplished, third spring 42 pops out two insulating mount pads 38, thereby realize that two metal lead electrical pillar 37 and support the two poles of the earth of battery tightly, form the electricity and connect.
The battery tab 7 is of a U-shaped design with a certain gap at one end close to the metal conductive column 37, and the battery tab 7 is made of an elastic material. When the insulating mounting seat 38 moves towards the direction far away from the battery along the direction of the limiting guide rail 40, the metal conductive column 37 extrudes the battery tab 7, and the battery tab 7 is deformed to a certain extent through a gap in the U-shaped design, so that the battery is convenient to mount and operate.
The shell cover 4 and the shell body 5 are both made of insulating materials, and the lead 6 for connecting the battery lug 7 penetrates through the shell cover 4 to extend outwards. The shell cover 4 and the shell body 5 made of insulating materials guarantee that electric leakage of the equipment cannot occur in the using process, and safety of the equipment is guaranteed.
The working principle of the invention is as follows: when the group battery needs to be installed, battery installation component is used for installing 18650 lithium cell 9, install 18650 lithium cell 9 into inside battery installation component through first mounting groove 13 on battery mount pad 11, second mounting groove 14 on rethread joint seat 12 is fixed 18650 lithium cell 9, accomplish the installation work to the group battery, battery mount pad 11 and joint seat 12 can realize detachable through latch mechanism 10 and connect, thereby be convenient for install and change the operation to the inside 18650 lithium cell 9 of battery installation component, the practicality of equipment has been improved. When the clamping mechanism 10 works, the battery mounting seat 11 and the clamping seat 12 can realize the detachable clamping function through the abutting-lifting block 18 and the two clamping columns 19 which are arranged on the battery mounting seat 11, and the press switch 15, the T-shaped clamping block 16 and the two abutting columns 17 which are arranged on the clamping seat 12, the battery mounting seat 11 and the clamping seat 12 are separated from the clamping state by manually pressing the press switch 15, when the battery needs to be replaced, the press switch 15 is manually pressed, the press switch 15 moves downwards in the vertical clamping block 20, the two support posts 17 are driven to move towards the two ends along the length direction of the horizontal clamping block 21 towards the horizontal clamping block 21, thereby pushing the two clamping columns 19 out of the clamping grooves 23, the clamping columns 19 drive the two pushing blocks 18 to push in towards the horizontal clamping blocks 21, and then the T-shaped clamping block 16 is pushed out from the clamping state, thereby realizing the operation of separating from the clamping state. When the clamping mechanism 10 clamps the battery mounting seat 11 and the clamping seat 12, the third mounting groove 26 is used for mounting and limiting the lifting block 18, the limiting groove 29 is used for mounting and limiting the clamping column 19, the first limiting connecting column 27 is matched with the first tension spring 28, it is ensured that the lifting block 18 can only move along the length direction of the first limiting connecting column 27 in the third mounting groove 26, the first tension spring 28 can reset to the initial position after the lifting block 18 finishes working, the second limiting connecting column 32 is matched with the first spring 31, it is ensured that the clamping column 19 can only move along the length direction of the first limiting connecting column 27 in the limiting block 30, and the first spring 31 can reset to the initial position after the clamping column 19 is separated from the clamping state. When press switch 15 pressed, press switch 15 drove the motion of support post 17 through first articulated arm 33, when supporting post 17 with joint post 19 from horizontal joint piece 21 when supporting out, joint post 19 drives two through second articulated arm 34 and supports the motion of rising piece 18 towards T type joint piece 16 to the function of joint can be dismantled in the realization. After the latch seat 12 is completely disengaged, the second spring 35 rebounds the push switch 15 to the initial position by the elastic force, and the second tension spring 36 pulls the two abutting columns 17 back to the initial position again, thereby completing the reset operation of the latch mechanism 10. After 18650 lithium cell 9 installation is accomplished, 18650 lithium cell 9's the two poles of the earth lead the electric energy through the metal on exporting battery tab 7, rethread wire 6 exports equipment, and tab connection subassembly 8 can connect two 18650 lithium cell 9 two homopolar battery tab 7 that are close to each other to more convenient couple together whole group battery, improved equipment output current's stability. When equipment is installed and is changed the battery, through the operation of installing the battery that slidable insulating mount pad 38 can be convenient, insulating mount pad 38 with both sides moves towards the direction of keeping away from the battery along limit rail 40's direction, drive metal and lead electrical pillar 37 and move together, and then can carry out the installation of battery, after the battery installation is accomplished, third spring 42 pops out two insulating mount pads 38, thereby realize that two metal lead electrical pillar 37 and support the two poles of the earth of battery tightly, form the electricity and connect. When the insulating mounting seat 38 moves towards the direction far away from the battery along the direction of the limiting guide rail 40, the metal conductive column 37 extrudes the battery tab 7, and the battery tab 7 is deformed to a certain extent through a gap in the U-shaped design, so that the battery is convenient to mount and operate. The shell cover 4 and the shell body 5 made of insulating materials guarantee that electric leakage of the equipment cannot occur in the using process, and safety of the equipment is guaranteed.
Claims (10)
1. A lithium battery pole lug connecting device is characterized by comprising a lithium battery pack (1), a battery pack mounting assembly (2), a mounting base (3), a shell cover (4), a shell body (5), a plurality of wires (6), a plurality of battery pole lugs (7) and two sets of pole lug connecting assemblies (8), wherein the mounting base (3) is arranged inside the shell body (5), the opening direction of the mounting base (3) is consistent with the opening direction of the shell body (5), the battery pack mounting assembly (2) is fixedly arranged on the mounting base (3), the pole lug connecting assemblies (8) are slidably arranged on the mounting base (3), the two sets of pole lug connecting assemblies (8) are respectively positioned at two sides of the battery pack mounting assembly (2), one end of each wire (6) is connected with the output end of each pole lug connecting assembly (8), and the other end of each wire (6) penetrates through the mounting base (3) and the shell body (5) to extend outwards, the lithium battery pack (1) comprises a plurality of 18650 lithium batteries (9) which are distributed in sequence, each 18650 lithium battery (9) is detachably mounted on the battery pack mounting assembly (2), and a plurality of battery tabs (7) are electrically connected with two poles of each 18650 lithium battery (9) respectively and are connected in parallel with each other through a lead (6).
2. The lithium battery tab connecting device according to claim 1, wherein the battery pack mounting assembly (2) comprises two sets of clamping mechanisms (10), a battery mounting seat (11) and a clamping seat (12), the battery mounting seat (11) is fixedly mounted on a mounting seat base, a plurality of first mounting grooves (13) are formed in the top of the battery mounting seat (11), a plurality of second mounting grooves (14) matched with the first mounting grooves (13) are formed in the bottom of the clamping seat (12), 18650 lithium batteries (9) are detachably mounted between the first mounting grooves (13) and the second mounting grooves (14), the two sets of clamping mechanisms (10) are respectively located at two ends of the battery mounting seat (11) and the clamping seat (12), and the clamping seat (12) is detachably connected with the battery mounting seat (11) through the two sets of clamping mechanisms (10).
3. The lithium battery tab connecting device according to claim 2, wherein the clamping mechanism (10) comprises a push switch (15), a T-shaped clamping block (16), two supporting posts (17), two supporting lift blocks (18) and two clamping posts (19), the T-shaped clamping block (16) comprises a vertical clamping block (20) and a horizontal clamping block (21), the bottom of the vertical clamping block (20) is fixedly connected with the middle of the top end of the horizontal clamping block (21), a through groove (22) is arranged on the clamping base (12), the T-shaped clamping block (16) is fixedly arranged on the through groove (22), the vertical clamping block (20) is arranged in the through groove (22), the top of the horizontal clamping block (21) is flush with the bottom surface of the clamping base (12), the push switch (15) is vertically arranged, the push switch (15) is slidably connected with the vertical clamping block (20), two support columns (17) are respectively arranged at two ends of a horizontal clamping block (21) in a horizontally slidable manner, a press switch (15) is connected with one end of the two clamping blocks in a transmission manner, two clamping columns (19) and two support lifting blocks (18) are arranged at one side of a battery mounting seat (11) in an evenly horizontal slidable manner, two clamping grooves (23) for the clamping columns (19) to pass through are respectively arranged at two ends of the horizontal clamping block (21), the clamping columns (19) are connected with the support lifting blocks (18) in a transmission manner, the two support lifting blocks (18) are respectively arranged at two sides of the horizontal clamping block (21), two inclined planes (24) which gradually retract along a vertical plane are respectively arranged at two sides of the horizontal clamping block (21), convex planes (25) which are gradually forward convex along the vertical direction are respectively arranged at one time when the two support lifting blocks (18) are close to the horizontal clamping block (21), and the convex planes (25) and the inclined planes (24), the lifting block (18) and the T-shaped clamping block (16) are in transmission fit through a convex surface (25) and an inclined surface (24).
4. The lithium battery tab connecting device as claimed in claim 3, wherein the battery mounting seat (11) is provided with a third mounting groove (26) for mounting the lifting block (18), a first limiting connecting post (27) is horizontally fixed on one side of the lifting block (18) far away from the horizontal clamping block (21), the first limiting connecting post (27) is slidably connected with the battery mounting seat (11) through the side wall of the third mounting groove (26), the clamping mechanism (10) further comprises a first tension spring (28), one end of the first tension spring (28) is fixedly connected with the side wall of the third mounting groove (26), the other end of the first tension spring (28) is fixedly connected with the side wall of the lifting block (18) far away from the horizontal clamping block (21), the first tension spring (28) is sleeved on the first limiting connecting post (27), and limiting grooves (29) are further formed on the side walls of both ends of the third mounting groove (26), clamping mechanism (10) still are equipped with stopper (30) and first spring (31), stopper (30) fixed mounting is in spacing groove (29), the fixed spacing spliced pole of second (32) that is equipped with in one side that horizontal joint piece (21) was kept away from in joint post (19), joint post (19) are connected with stopper (30) slidable through spacing spliced pole of second (32), first spring (31) horizontal cover is established on spacing spliced pole of second (32), the one end of first spring (31) and the lateral wall fixed connection of stopper (30), the other end of first spring (31) and the lateral wall fixed connection of joint post (19).
5. The lithium battery tab connecting device according to claim 4, wherein the clamping mechanism (10) further comprises two first hinge rods (33) and four second hinge rods (34), the first hinge rods (33) are arranged inside the T-shaped clamping block (16), one ends of the two first hinge rods (33) are hinged to the bottom of the press switch (15), the other ends of the two first hinge rods (33) are hinged to one end, far away from the clamping column (19), of the abutting column (17), one end of each of the two second hinge rods (34) is hinged to one side wall of one of the clamping columns (19), and the other end of each of the two second hinge rods (34) is hinged to one side, far away from the horizontal clamping block (21), of the two abutting blocks (18).
6. The lithium battery tab connecting device according to claim 5, wherein the clamping mechanism (10) further comprises a second spring (35) and a second tension spring (36), the second spring (35) is vertically arranged inside the vertical clamping block (20), the top of the second spring (35) is fixedly connected with the bottom of the press switch (15), the bottom of the second spring (35) is fixedly connected with the inside of the T-shaped clamping block (16), the second tension spring (36) is horizontally arranged inside the horizontal clamping block (21), and two ends of the second tension spring (36) are fixedly connected with two ends of the two abutting columns (17) which are close to each other respectively.
7. The lithium battery tab connection device according to claim 1, wherein the tab connection assembly (8) comprises a plurality of sets of bipolar tab connection mechanisms, each set of bipolar tab connection mechanism comprises two metal conductive posts (37), two insulating mounting seats (38) and an insulating fixing block (39), the insulating mounting seats (38) are vertically slidably mounted on the inner bottom surface of the mounting base (3), the metal conductive posts (37) are horizontally and fixedly mounted on the insulating mounting seats (38), one ends of two adjacent battery tabs (7) are fixedly connected with the side wall of the mounting base (3) through the insulating fixing blocks (39), one ends of the metal conductive posts (37) are abutted against the electrodes of 18650 lithium batteries (9), the other ends of the metal conductive posts (37) are abutted against one ends of the junctions of the battery tabs (7), the junctions of the two battery tabs (7) are connected with the conducting wires (6), the lead (6) is electrically connected with the battery tab (7).
8. The lithium battery tab connecting device according to claim 7, wherein a plurality of limiting guide rails (40) are arranged on the bottom of the inner side of the mounting base (3) along two sides of the 18650 lithium battery (9) electrode, a limiting guide groove (41) in sliding fit with the limiting guide rails (40) is arranged on the bottom of the insulating mounting base (38), a third spring (42) is arranged on one side of the insulating mounting base (38) far away from the 18650 lithium battery (9), one end of the third spring (42) is fixedly connected with the side wall of the inner side of the mounting base (3), and the other end of the third spring (42) is fixedly connected with the side wall of the insulating mounting base (38) far away from the 18650 lithium battery (9).
9. The tab connecting device for lithium battery as claimed in claim 8, wherein the end of the battery tab (7) near the metal conductive post (37) is U-shaped with a certain gap, and the battery tab (7) is made of elastic material.
10. The tab connection device for a lithium battery as claimed in claim 1, wherein the housing cover (4) and the housing case (5) are made of an insulating material, and the lead wires (6) for connecting the battery tabs (7) extend outwardly through the housing cover (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162302.8A CN111081912B (en) | 2019-11-25 | 2019-11-25 | Lithium battery tab connecting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911162302.8A CN111081912B (en) | 2019-11-25 | 2019-11-25 | Lithium battery tab connecting device |
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| CN111081912A true CN111081912A (en) | 2020-04-28 |
| CN111081912B CN111081912B (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112864518A (en) * | 2021-01-18 | 2021-05-28 | 孙华祥 | Unmanned aerial vehicle group battery |
| CN113097632A (en) * | 2021-03-29 | 2021-07-09 | 徐州储盈电子科技有限公司 | Lithium battery convenient to installation |
| CN114221095A (en) * | 2021-12-07 | 2022-03-22 | 深圳市希卓电子有限公司 | Anti-seismic battery tab capable of externally arranging layered reinforcing member |
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| CN2292863Y (en) * | 1997-02-12 | 1998-09-30 | 洪生夫 | Lock structure for sliding door |
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| CN114221095A (en) * | 2021-12-07 | 2022-03-22 | 深圳市希卓电子有限公司 | Anti-seismic battery tab capable of externally arranging layered reinforcing member |
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|---|---|
| CN111081912B (en) | 2022-04-08 |
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