CN114142183B - Connecting device for battery cell and test wire harness - Google Patents
Connecting device for battery cell and test wire harness Download PDFInfo
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- CN114142183B CN114142183B CN202111441187.5A CN202111441187A CN114142183B CN 114142183 B CN114142183 B CN 114142183B CN 202111441187 A CN202111441187 A CN 202111441187A CN 114142183 B CN114142183 B CN 114142183B
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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
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
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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
- H01M10/62—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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple 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
- 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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
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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)
- Aviation & Aerospace Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention relates to a connecting device of an electric core and a test wire harness. The device comprises a base, a side plate, a slide plate assembly and a copper bar assembly, wherein the side plate is arranged on the base, the slide plate assembly is arranged on the side plate, the slide plate assembly can slide up and down along the side plate and is fixed, the copper bar assembly is clamped in the slide plate assembly, one end of the copper bar assembly is used for being connected with an aluminum palladium connecting block on a battery cell negative electrode, the other end of the copper bar assembly is used for being connected with a test wire harness, and the height of the copper bar assembly is adjusted by sliding up and down of the slide plate assembly, so that the height of the aluminum palladium connecting block and the test wire harness is adjusted. The invention solves the problems that in the existing connecting device, after the weight of a test wire harness is increased, torsion is applied to an aluminum palladium block through a wire harness terminal, and after the wire harness is disassembled and connected for many times, the aluminum palladium block is distorted and deformed and even broken.
Description
Technical Field
The invention relates to the technical field of automobile battery testing, in particular to a device for connecting an electric core with a testing wire harness.
Background
With the rapid development of new energy automobiles, a power battery becomes a necessary core component, and the use and safety performance of the electric automobile are directly related. Therefore, the performance of the battery pack of the energy storage device of the electric automobile will determine the product quality of the whole automobile. In order to improve the performance of the battery, one of the schemes is to improve the energy density of the battery cell and increase the capacity of the battery cell. However, in the development process of the battery cell product, the battery cell product needs to be subjected to simulation test, and the increase of the battery cell energy density can lead to the increase of the battery cell test current, so that the thickness of the aluminum palladium connecting block and the diameter of the test wire harness have to be increased. However, the aluminum palladium connecting block and the test wire harness have a height difference, the existing connecting mode is to directly connect the test wire harness with the aluminum palladium connecting block through a terminal, the test wire harness applies torsion on the aluminum palladium of the battery core through the wire harness terminal under the action of gravity, after the aluminum palladium connecting block is disassembled and connected for many times, the aluminum palladium connecting block is easy to be stretched, deformed and possibly broken when serious, and then the aluminum palladium connecting block and the battery core pole post are in poor contact.
CN 209992533U discloses a cell test connection device and a positioning caliper. The battery cell testing connection device comprises a connection main body formed by laminating and connecting at least two conductive connection monomers, wherein the connection main body is used for being bent into a closed body to be connected with a battery cell and testing equipment, and the closed body comprises an overlapping part and a bending part. The connecting main body in the connecting device is overlapped to increase the thickness, so that the resistance value of an access test circuit is reduced, and the overcurrent capacity of the cell test connecting device is improved. And the connecting main body is formed by laminating each layer of relatively independent connecting monomers, and compared with a single connecting sheet with the same thickness, the connecting main body is easier to bend, so that the operability and convenience of the battery cell testing connecting device in the testing process are improved. However, the connecting device ignores the problems of height difference between the aluminum palladium connecting block and the test wire harness and twisting deformation and even breakage of the aluminum palladium block caused by weight increase of the test wire harness.
Disclosure of Invention
The invention aims to provide a connecting device for a battery cell and a test wire harness, which is used for solving the problems that in the existing connecting device, after an aluminum palladium block or the test wire harness is weighted, torsion is applied to the aluminum palladium block through a wire harness terminal, and after the aluminum palladium block is disassembled and connected for many times, the aluminum palladium block is deformed and even broken.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a connecting device of electric core and test pencil, includes base, curb plate, slide subassembly and copper bar subassembly, the curb plate is installed on the base, the slide subassembly is installed on the curb plate, the slide subassembly can be followed the curb plate reciprocates and fixes, the copper bar subassembly presss from both sides to be established in the slide subassembly, the one end of copper bar subassembly is used for linking to each other with the aluminium palladium connecting block on the electric core negative pole, and the other end is used for linking to each other with the test pencil, through slide subassembly's upper and lower slip is adjusted the height of copper bar subassembly realizes the altitude mixture control of aluminium palladium connecting block and test pencil.
Preferably, the side plates are provided with a left side plate and a right side plate, the lower ends of the side plates are clamped on the base, sliding rails are arranged on the inner sides of the two side plates along the height direction, and the sliding plate assembly is matched with the sliding rails through sliding grooves correspondingly arranged on the two sides.
Preferably, the sliding plate assembly comprises an upper sliding plate and a lower sliding plate, the upper sliding plate and the lower sliding plate are connected and fastened through connecting pieces, and the copper bar assembly is clamped between the upper sliding plate and the lower sliding plate.
Preferably, the upper slide plate and the lower slide plate are provided with grooves corresponding to the shapes of the copper bar assemblies on opposite surfaces of the clamped copper bar assemblies, so that the copper bar assemblies are positioned in the grooves.
Preferably, a heat dissipation through hole is arranged in the middle of the upper sliding plate and the lower sliding plate at a position corresponding to the copper bar assembly.
Preferably, the copper bar assembly comprises a first copper bar and a second copper bar which are mutually connected through bolts, wherein the first copper bar and the second copper bar are L-shaped, and at least one of the ends of the first copper bar and the second copper bar, which are mutually connected, is provided with a slotted hole, so that the height adjustment between the first copper bar and the second copper bar is realized.
Preferably, the other ends of the first copper bar and the second copper bar are also provided with round holes or oblong holes, and the round holes or oblong holes are respectively connected with the aluminum palladium connecting block and the test wire harness on the battery cell cathode.
Preferably, the sliding rail and the sliding groove are of trapezoid structures, one end of the sliding groove is completely matched with the sliding rail, and the other end of the sliding groove is slightly larger than the sliding rail.
Preferably, a plurality of mounting grooves are formed in the base, and the lower ends of the sliding rails are clamped in the mounting grooves.
Preferably, the sliding rail further comprises a clamping block, and the clamping block is clamped at the upper end of the sliding rail.
Preferably, the base, the side plates, the sliding plate assembly and the clamping block are made of insulating materials.
The invention has the beneficial effects that:
1) Through installing gliding slide subassembly from top to bottom on the curb plate, utilize slide subassembly's upper and lower slip to adjust the height of copper bar subassembly, make aluminium palladium connecting block be in the horizontality, do not take place to buckle, realized the perpendicular distance between copper bar subassembly and the test pencil simultaneously, make test pencil terminal and copper bar subassembly be in same level, thereby eliminated the test pencil and increased weight after, torsion on aluminium palladium piece, avoided many times dismouting connection after, the aluminium palladium piece distortion of initiation even the problem of rupture, connecting device's life has been prolonged, and simple structure has, convenient operation and advantage that the practicality is strong. The problem that in the existing connecting device, after the weight of the aluminum palladium block or the test wire harness is increased, torsion is applied to the aluminum palladium block through the wire harness terminal, and after the aluminum palladium block is disassembled and connected for many times, the aluminum palladium block is deformed or even broken is solved;
2) The copper bar assembly is positioned in the groove by arranging the groove which is matched with the shape of the copper bar assembly on the opposite surface of the upper sliding plate and the lower sliding plate, so that the installation and the fixation of the copper bar assembly are realized, and the quick heat dissipation of the copper bar assembly is realized by arranging the heat dissipation through holes in the positions corresponding to the copper bar assembly between the upper sliding plate and the lower sliding plate;
3) The height adjustment between the first copper bar and the second copper bar is realized by arranging at least one oblong hole at one end of the first copper bar and one end of the second copper bar, so that the height adjustment of the aluminum palladium connecting block and the test wire harness is further facilitated;
4) By setting the slide rail and the slide groove to be of a trapezoid structure, the phenomenon of transverse falling-out is avoided in the process of sliding the upper slide plate and the lower slide plate up and down; meanwhile, one end of the sliding groove is completely matched with the sliding rail, and the other end of the sliding groove is slightly larger than the sliding rail, so that the installation stability is ensured, and the assembly and disassembly are convenient;
5) Through setting up the fixture block to with the top of the slide rail of fixture block joint at two curb plates, further guaranteed the stability of whole device, in car battery test technical field, have popularization and application and worth.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of the connection of the present invention to a battery and test harness;
FIG. 3 is an exploded view of the invention after mounting the cartridge and connecting to the battery and test harness;
FIG. 4 is a schematic structural view of the base, side plate and slide plate assembly installation;
FIG. 5 is a schematic view of the structure of the first skateboard;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic view of a second skateboard;
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7;
fig. 9 is a schematic structural view of a first copper bar;
fig. 10 is a schematic structural view of a second copper bar;
FIG. 11 is a schematic diagram of a latch;
fig. 12 is a bottom view of fig. 11.
Wherein, 1-base, 101-mounting groove; 2-side plates, 201-sliding rails; 3-an electric core; 4- -an aluminum palladium connection block; 5-testing the wire harness; 6-an upper sliding plate, 601-a lower positioning groove, 602-a first heat dissipation hole, 603-a first mounting hole; 7-a lower slide plate, 701-an upper positioning groove, 702-a second heat dissipation hole, 703-a second mounting hole; 8-a first copper bar, 801-a first connecting hole, 802-a first oblong hole; 9-a second copper bar, 901-a second connecting hole and 902-a second oblong hole; 10-clamping blocks, 1001-clamping grooves.
Detailed Description
Further advantages and effects of the present invention will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
As shown in fig. 1 to 10, a connection device for a battery cell and a test wire harness comprises a base 1, a side plate 2, a slide plate assembly and a copper bar assembly, wherein the side plate 2 is installed on the base 1, the slide plate assembly is installed on the side plate 2, the slide plate assembly can slide up and down along the side plate 2 and is fixed, the copper bar assembly is clamped in the slide plate assembly, one end of the copper bar assembly is used for being connected with an aluminum palladium connection block 4 on a cathode of the battery cell 3, the other end of the copper bar assembly is used for being connected with the test wire harness 5, and the height of the copper bar assembly is adjusted through the up-down sliding of the slide plate assembly, so that the height adjustment of the aluminum palladium connection block 4 and the test wire harness 5 is realized.
Through installing gliding slide subassembly from top to bottom on the curb plate, utilize slide subassembly's upper and lower slip to adjust the height of copper bar subassembly, make aluminium palladium connecting block be in the horizontality, do not take place to buckle, realized the perpendicular distance between copper bar subassembly and the test pencil simultaneously, make test pencil terminal and copper bar subassembly be in same level, thereby eliminated the test pencil and increased weight after, torsion on aluminium palladium piece, avoided many times dismouting connection after, the aluminium palladium piece distortion of initiation even the problem of rupture, connecting device's life has been prolonged, and simple structure has, convenient operation and advantage that the practicality is strong. The problem of among the current connecting device, aluminium palladium piece or test pencil increase the back, can exert torsion on aluminium palladium piece through the pencil terminal, after many times dismouting connection, aluminium palladium piece distortion that causes even the rupture is solved.
The side plates 2 are provided with a left side plate and a right side plate, the lower ends of the side plates are clamped on the base 1, the inner sides of the two side plates 2 are provided with sliding rails 201 along the height direction, and the sliding plate assemblies are matched and installed with the sliding rails 201 through sliding grooves correspondingly arranged on the two sides.
The sliding plate assembly comprises an upper sliding plate 6 and a lower sliding plate 7, the upper sliding plate 6 and the lower sliding plate 7 are connected and fastened through connecting pieces, and the copper bar assembly is clamped between the upper sliding plate 6 and the lower sliding plate 7.
In this embodiment, the connecting member is a bolt, the upper slide plate 6 is provided with a first mounting hole 603, the lower slide plate 7 is provided with a second mounting hole 703, and the first mounting hole 603 is fixed with the second mounting hole 703 through the bolt.
The upper slide plate 6 and the lower slide plate 7 are provided with grooves on opposite sides of the sandwiched copper bar assembly, which are adapted to the shape of the copper bar assembly, so that the copper bar assembly is positioned in the grooves.
In this embodiment, the groove includes a lower positioning groove 601 provided on the lower bottom surface of the upper slide plate 6 and an upper positioning groove 701 provided on the upper plane of the lower slide plate 7, and the lower positioning groove 601 and the upper positioning groove 701 jointly accommodate and fix the copper bar assembly.
And heat dissipation through holes are arranged between the upper sliding plate 6 and the lower sliding plate 7 at positions corresponding to the copper bar assemblies.
Through set up the recess that suits with copper bar subassembly shape on the relative face of last slide and lower slide, make copper bar subassembly be located in the recess, realized the installation and the fixed of copper bar subassembly, and through set up the heat dissipation through-hole in the position that corresponds copper bar subassembly in the middle of last slide and lower slide, realized the quick heat dissipation of copper bar subassembly.
In this embodiment, the heat dissipation through holes include a first heat dissipation hole 602 provided in the lower positioning groove 601 and a second heat dissipation hole 702 provided in the upper positioning groove 701.
The copper bar assembly comprises a first copper bar 8 and a second copper bar 9 which are mutually connected through bolts, the first copper bar and the second copper bar are L-shaped, at least one of the ends of the first copper bar and the second copper bar, which are mutually connected, is provided with a slotted hole, and the height adjustment between the first copper bar and the second copper bar is realized.
Through set up at least one slotted hole on the one end that first copper bar and second copper bar link to each other, realized the altitude mixture control between the two, further made things convenient for the altitude mixture control of aluminium palladium connecting block and test pencil.
In this embodiment, a first connection hole 801 is formed in a horizontal section of the first copper bar 8 and is used for being connected with an aluminum-palladium connection block 4 on a cathode of the battery cell 3, a first oblong hole 802 is formed in a vertical section, a second connection hole 901 is formed in a horizontal section of the second copper bar and is used for being connected with the test wire harness 5, a second oblong hole 902 is formed in the vertical section, and height adjustment is achieved by adjusting relative positions of the first oblong hole 802 and the second oblong hole 902.
Through set up first slotted hole on first copper bar, set up the second slotted hole simultaneously on the second copper bar, realized the adjustment of first copper bar and second copper bar relative position to realize the altitude mixture control of aluminium palladium connecting block and test pencil, and the back is confirmed to the position, first slotted hole passes through the bolt and is together fixed with the second slotted hole.
In this embodiment, the first copper bar is covered with an insulating material at a position between the first connection hole and the first oblong hole, and the second copper bar is covered with an insulating material at a position between the second connection hole and the second oblong hole.
The other ends of the first copper bar 8 and the second copper bar 9 are also provided with round holes or oblong holes which are respectively connected with the aluminum palladium connecting block 4 and the test wire harness 5 on the cathode of the battery cell 3.
The sliding rail 201 and the sliding groove are of trapezoid structures, one end of the sliding groove is completely matched with the sliding rail 201, and the other end of the sliding groove is slightly larger than the sliding rail 201.
By setting the slide rail and the slide groove to be of a trapezoid structure, the phenomenon of transverse falling-out is avoided in the process of sliding the upper slide plate and the lower slide plate up and down; meanwhile, one end of the sliding groove is completely matched with the sliding rail, and the other end of the sliding groove is slightly larger than the sliding rail, so that the installation stability is guaranteed, and the sliding groove is convenient to disassemble and assemble.
The base 1 is provided with a plurality of mounting grooves 101, and the lower ends of the sliding rails 201 are clamped in the mounting grooves 101.
Through setting up a plurality of mounting grooves on the base, make the lower extreme joint of slide rail in the mounting groove on the curb plate, guaranteed the steadiness of curb plate installation.
The sliding rail 201 further comprises a clamping block 10, and the clamping block 10 is clamped at the upper end of the sliding rail 201.
Through setting up the fixture block to with the top of the slide rail of fixture block joint at two curb plates, further guaranteed the stability of whole device.
In this embodiment, the lower bottom surface of the clamping block 10 is formed with opposite clamping grooves 1001, and the clamping grooves 1001 are clamped at the top ends of the sliding rails 201 of the two side plates 2.
The base 1, the side plates 2, the slide plate assembly and the clamping block 10 are made of insulating materials.
The mounting step of the connection device of the battery core and the test wire harness in the embodiment comprises the steps of placing a first copper bar in an upper positioning groove of a lower slide plate, placing the lower positioning groove of the upper slide plate above the first copper bar, aligning two ends on the upper slide plate and the lower slide plate, fastening the upper slide plate and the lower slide plate through a bolt passing through a first mounting hole and a second mounting hole, and connecting the first copper bar and the second copper bar together through the bolt passing through a first oblong hole and a second oblong hole without fastening, so that the subsequent height adjustment is convenient; the two side plates are arranged on the base, wherein the mounting groove is in interference fit with the lower end of the sliding rail, so that the assembling stability is ensured; the sliding grooves at two ends of the upper sliding plate and the lower sliding plate are vertically inserted along the sliding rails of the two side plates, when the two side plates are fixed on the bottom plate, the sliding rails on the two side plates can apply a pulling force with equal magnitude and opposite direction to the upper sliding plate and the lower sliding plate, the mounting grooves of the bottom plate are in contact with the sliding rails on the side surfaces and are mutually extruded, under the action of static friction force, the space positions of the upper sliding plate and the lower sliding plate are fixed, and the clamping grooves of the clamping blocks are inserted between the two side plates from the top ends of the sliding rails of the side plates.
The operation of adjusting the distance between the battery core and the test wire harness by the connection device of the battery core and the test wire harness is that the relative positions of the first oblong hole and the second oblong hole are adjusted by utilizing the up-down sliding of the slide plate assembly, the vertical distance between the aluminum palladium connection block of the battery core negative electrode and the first copper bar and the vertical distance between the second copper bar and the test wire harness end are adjusted, so that the aluminum palladium connection block of the battery core negative electrode and the first copper bar are positioned on the same plane, the test wire harness terminal and the second copper bar are positioned on the same plane and fastened, the torsion of the test wire harness applied to the aluminum palladium block due to the weight of the test wire harness is eliminated, the problem that after the weight of the aluminum palladium block or the test wire harness is increased, torsion is applied to the aluminum palladium block through the wire harness terminal, after the aluminum palladium block is disassembled and connected for many times, the torsion deformation even breakage problem of the aluminum palladium block of the battery core negative electrode is caused, and the first connection hole with the adjusted height is fastened and connected through the bolt, the nut and the gasket.
According to the connecting device for the battery cell and the test wire harness, firstly, the sliding plate assembly capable of sliding up and down is arranged on the side plate, the height of the copper bar assembly is adjusted by utilizing the sliding up and down of the sliding plate assembly, so that the aluminum palladium connecting block is in a horizontal state, bending does not occur, meanwhile, the vertical distance between the copper bar assembly and the test wire harness is realized, and the test wire harness terminal and the copper bar assembly are in the same level, so that the torsion applied to the aluminum palladium block after the weight of the test wire harness is increased is eliminated, the problem that the aluminum palladium block is distorted and deformed or even broken after multiple dismounting connection is avoided, the service life of the connecting device is prolonged, and the connecting device has the advantages of being simple in structure, convenient to operate and high in practicability. The problem that in the existing connecting device, after the weight of the aluminum palladium block or the test wire harness is increased, torsion is applied to the aluminum palladium block through the wire harness terminal, and after the aluminum palladium block is disassembled and connected for many times, the aluminum palladium block is deformed or even broken is solved; secondly, grooves which are matched with the shapes of the copper bar assemblies are formed on the opposite surfaces of the upper sliding plate and the lower sliding plate, so that the copper bar assemblies are positioned in the grooves, the installation and the fixation of the copper bar assemblies are realized, and the quick heat dissipation of the copper bar assemblies is realized by arranging heat dissipation through holes in the positions corresponding to the copper bar assemblies between the upper sliding plate and the lower sliding plate; thirdly, at least one oblong hole is formed in one end, connected with the first copper bar and the second copper bar, of the first copper bar and the second copper bar, so that the height adjustment between the first copper bar and the second copper bar is realized, and the height adjustment of the aluminum palladium connecting block and the test wire harness is further facilitated; fourthly, by setting the slide rail and the slide groove to be of a trapezoid structure, the phenomenon of transverse falling-out is avoided in the process of sliding the upper slide plate and the lower slide plate up and down; meanwhile, one end of the sliding groove is completely matched with the sliding rail, and the other end of the sliding groove is slightly larger than the sliding rail, so that the installation stability is ensured, and the assembly and disassembly are convenient; finally, through setting up the fixture block to with the top of the slide rail of fixture block joint at two curb plates, further guaranteed the stability of whole device, in car battery test technical field, have popularization and application and worth.
The above embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention.
Claims (7)
1. The device for connecting the battery cell and the test wire harness is characterized by comprising a base (1), a side plate (2), a slide plate assembly and a copper bar assembly, wherein the side plate (2) is installed on the base (1), the slide plate assembly is installed on the side plate (2), the slide plate assembly can slide up and down along the side plate (2) and is fixed, the copper bar assembly is clamped in the slide plate assembly, one end of the copper bar assembly is used for being connected with an aluminum palladium connecting block (4) on the cathode of the battery cell (3), the other end of the copper bar assembly is used for being connected with the test wire harness (5), and the height of the copper bar assembly is adjusted through the up-down sliding of the slide plate assembly, so that the height adjustment of the aluminum palladium connecting block (4) and the test wire harness (5) is realized;
the side plates (2) are provided with a left side plate and a right side plate, the lower ends of the left side plate and the right side plate are clamped on the base (1), sliding rails (201) are arranged on the inner sides of the two side plates (2) along the height direction, and the sliding plate assemblies are installed in a matched mode with the sliding rails (201) through sliding grooves which are correspondingly arranged on the two sides;
the sliding plate assembly comprises an upper sliding plate (6) and a lower sliding plate (7), the upper sliding plate (6) and the lower sliding plate (7) are connected and fastened through a connecting piece, and the copper bar assembly is clamped between the upper sliding plate and the lower sliding plate;
the copper bar assembly comprises a first copper bar (8) and a second copper bar (9) which are connected with each other through bolts, the copper bars are L-shaped, at least one of the ends of the copper bar assembly and the second copper bar which are connected with each other is provided with a slotted hole, and the height adjustment between the copper bar assembly and the second copper bar is achieved.
2. The connection device of a cell and a test harness according to claim 1, characterized in that the upper slide (6) and the lower slide (7) are provided with grooves on opposite sides of the clamped copper bar assembly, which grooves are adapted to the shape of the copper bar assembly, so that the copper bar assembly is positioned in the grooves.
3. The connection device of the battery cell and the test harness according to claim 1, wherein a heat dissipation through hole is arranged between the upper slide plate (6) and the lower slide plate (7) at a position corresponding to the copper bar assembly.
4. The device for connecting the battery cell and the test wire harness according to claim 1, wherein the other ends of the first copper bar (8) and the second copper bar (9) are respectively provided with round holes or oblong holes, and the round holes or oblong holes are respectively connected with the aluminum-palladium connecting block (4) on the cathode of the battery cell (3) and the test wire harness (5).
5. The device for connecting a battery cell to a test harness according to claim 1, wherein the sliding rail (201) and the sliding groove are of a trapezoid structure, one end of the sliding groove is completely matched with the sliding rail (201), and the other end of the sliding groove is slightly larger than the sliding rail (201).
6. The connection device of the battery cell and the test wire harness according to claim 1, wherein the base (1) is provided with a plurality of mounting grooves (101), and the lower end of the sliding rail (201) is clamped in the mounting grooves (101).
7. The device for connecting a battery cell to a test harness according to claim 1, further comprising a clamping block (10), wherein the clamping block (10) is clamped at the upper end of the sliding rail (201).
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| CN114142183A (en) | 2022-03-04 |
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Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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