CN114142183A - 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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- CN114142183A CN114142183A CN202111441187.5A CN202111441187A CN114142183A CN 114142183 A CN114142183 A CN 114142183A CN 202111441187 A CN202111441187 A CN 202111441187A CN 114142183 A CN114142183 A CN 114142183A
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- copper bar
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- subassembly
- sliding plate
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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 a battery cell and a test wire harness. It includes base, curb plate, slide subassembly and copper bar subassembly, the curb plate is installed on the base, the slide unit mount is in on the curb plate, the slide subassembly can be followed the curb plate slides from top to bottom and fixes, the copper bar subassembly presss from both sides and establishes 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 the slide subassembly slide adjusting from top to bottom the height of copper bar subassembly realizes the height control of aluminium palladium connecting block and test pencil. The invention solves the problems that in the existing connecting device, after the weight of a test wire harness is increased, torsion is exerted on the aluminum-palladium block through a wire harness terminal, and the aluminum-palladium block is distorted, deformed and even broken after being connected by dismounting for many times.
Description
Technical Field
The invention relates to the technical field of automobile battery testing, in particular to a connecting device of a battery core and a testing wire harness.
Background
With the rapid development of new energy vehicles, power batteries become essential core components, and are directly related to the use and safety performance of electric vehicles. Therefore, the performance of the battery pack of the energy storage device of the electric automobile determines the product quality of the whole automobile. In order to improve the performance of the battery, one solution is to increase the cell energy density and increase the cell capacity. However, in the development process of the cell product, simulation test needs to be performed on the cell product, and the increase of the cell energy density can increase the cell test current, so that the thickness of the aluminum-palladium connecting block and the diameter of a test wire harness have to be increased. However, there is the difference in height between the aluminium palladium connecting block and the test harness, and the existing connection mode is that the test harness is directly connected with the aluminium palladium connecting block through the terminal, and the test harness applies torsion on electric core aluminium palladium through the harness terminal under the action of gravity, and after the connection by dismounting for many times, the aluminium palladium connecting block is easily deformed and distorted by stretching, and may be broken when serious, and then leads to bad contact between the aluminium palladium connecting block and the electric core pole.
CN 209992533U discloses a cell testing connection device and a positioning caliper. The cell testing and connecting device comprises a connecting main body formed by laminating and connecting at least two conductive connecting monomers, wherein the connecting main body is used for bending into a closed body to be connected with a cell and testing equipment, and the closed body comprises an overlapping part and a bending part. The connecting body in the connecting device increases the thickness through overlapping, thereby reducing the resistance value of an access test circuit and improving the overcurrent capacity of the battery core test connecting device. And the connecting 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 body is easier to bend, so that the operability and convenience of the battery cell testing and connecting device in the testing process are improved. But the connecting device neglects the problems of the aluminum palladium block distortion and even fracture caused by the height difference between the aluminum palladium connecting block and the test wiring harness and the weight increment of the test wiring harness.
Disclosure of Invention
The invention aims to provide a connecting device of a battery core and a test wire harness, which aims to solve the problems that in the existing connecting device, after an aluminum palladium block or the test wire harness is weighted, torsion is exerted on the aluminum palladium block through a wire harness terminal, and after the aluminum palladium block or the test wire harness is repeatedly disassembled and connected, the aluminum palladium block is distorted, deformed and even broken.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a connecting device of electricity core and test pencil, includes base, curb plate, slide subassembly and copper bar subassembly, the curb plate is installed on the base, the slide unit mount is in on the curb plate, the slide subassembly can be followed the curb plate slides from top to bottom and fixes, the copper bar subassembly presss from both sides and establishes 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 electricity core negative pole, and the other end is used for linking to each other with the test pencil, through the slide subassembly slide adjusting from top to bottom the height of copper bar subassembly realizes the height control of aluminium palladium connecting block and test pencil.
Preferably, the curb plate has about two, and their lower extreme joint is in on the base, two curb plate inboards are equipped with the slide rail along direction of height, the slide subassembly through the corresponding spout that sets up in both sides with the slide rail cooperation installation.
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 a connecting piece, and the copper bar assembly is clamped between the upper sliding plate and the lower sliding plate.
Preferably, the upper sliding plate and the lower sliding plate are provided with grooves which are matched with the copper bar assembly in shape on opposite surfaces of the copper bar assembly clamped by the upper sliding plate and the lower sliding plate, so that the copper bar assembly is positioned in the grooves.
Preferably, a heat dissipation through hole is formed in the middle of the upper sliding plate and the lower sliding plate and corresponds to the position of the copper bar assembly.
Preferably, the copper bar assembly comprises a first copper bar and a second copper bar which are connected with each other through bolts, the first copper bar and the second copper bar are L-shaped, at least one of the ends connected with each other is provided with a long round hole, and height adjustment between the first copper bar and the second copper bar is achieved.
Preferably, the other end of each of the first copper bar and the second copper bar is also provided with a round hole or a long round hole, and the round hole or the long round hole is respectively connected with the aluminum-palladium connecting block on the negative electrode of the battery cell and the test wire harness.
Preferably, the slide rail and the slide groove are in a trapezoidal structure, one end of the slide groove is completely matched with the slide rail, and the other end of the slide groove is slightly larger than the slide rail.
Preferably, a plurality of mounting grooves are formed in the base, and the lower end of the sliding rail is connected to the mounting grooves in a clamping mode.
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 blocks are made of insulating materials.
The invention has the beneficial effects that:
1) through the gliding slide subassembly about installing on the curb plate, utilize the height of the upper and lower slip regulation copper bar subassembly of slide subassembly, make the aluminium palladium connecting block be in the horizontality, do not buckle, the vertical distance between copper bar subassembly and the test pencil has been realized simultaneously, make test pencil terminal and copper bar subassembly be in same level, thereby eliminated the test pencil and increased weight the back, apply the torsion on the aluminium palladium piece, after having avoided a lot of dismouting to connect, the aluminium palladium piece distortion that causes warp the problem of rupture even, connecting device's life has been prolonged, and has simple structure, convenient operation and strong advantage of practicality. The problem that after the aluminum palladium block or a test wire harness is weighted, torsion is applied to the aluminum palladium block through a wire harness terminal, and the aluminum palladium block is twisted, deformed and even broken after being connected in a dismounting mode for many times in the existing connecting device is solved;
2) the copper bar assembly is positioned in the groove by arranging the groove which is adaptive to 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 hole in the position corresponding to the copper bar assembly between the upper sliding plate and the lower sliding plate;
3) the at least one long circular hole is formed in the end, connected with the first copper bar, of 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;
4) the sliding rail and the sliding groove are in a trapezoidal structure, so that the transverse separation phenomenon of the upper sliding plate and the lower sliding plate is avoided in the process of sliding 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 mounting stability is ensured, and the mounting and dismounting are facilitated;
5) through setting up the fixture block to with the top of fixture block joint at the slide rail of two blocks of curb plates, further guaranteed the stability of whole device, in car battery test technical field, have popularization and application value.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention in connection with a battery and a test harness;
FIG. 3 is an exploded view of the present invention with a fixture block installed and connected to a battery and a test harness;
FIG. 4 is a schematic view of the base, side plate and sled assembly installation configuration;
FIG. 5 is a schematic structural view of the first slide plate;
FIG. 6 is a cross-sectional view taken along A-A of FIG. 5;
FIG. 7 is a schematic structural view of a second slide plate;
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 structural diagram of a latch;
fig. 12 is a bottom view of fig. 11.
Wherein, 1-base, 101-mounting groove; 2-side plate, 201-sliding rail; 3-electric core; 4-aluminum palladium connecting block; 5-testing the wiring harness; 6-an upper sliding plate, 601-a lower positioning groove, 602-a first heat dissipation hole and 603-a first mounting hole; 7-lower sliding plate, 701-upper positioning groove, 702-second heat dissipation hole and 703-second mounting hole; 8-a first copper bar, 801-a first connecting hole and 802-a first long round hole; 9-a second copper bar, 901-a second connecting hole, 902-a second long round hole; 10-fixture block, 1001-clamping groove.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure herein, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings and preferred embodiments. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
As shown in fig. 1 to 10, a connecting device of electric core and test pencil, including base 1, curb plate 2, slide subassembly and copper bar subassembly, curb plate 2 is installed on base 1, slide unit mount is on curb plate 2, slide unit can slide and fix from top to bottom along curb plate 2, the copper bar subassembly presss from both sides and establishes in slide unit, the one end of copper bar subassembly is used for linking to each other with aluminium palladium connecting block 4 on the 3 negative poles of electric core, the other end is used for linking to each other with test pencil 5, slide unit's up-and-down slide adjusts the height of copper bar subassembly, realize aluminium palladium connecting block 4 and test pencil 5's altitude mixture control.
Through the gliding slide subassembly about installing on the curb plate, utilize the height of the upper and lower slip regulation copper bar subassembly of slide subassembly, make the aluminium palladium connecting block be in the horizontality, do not buckle, the vertical distance between copper bar subassembly and the test pencil has been realized simultaneously, make test pencil terminal and copper bar subassembly be in same level, thereby eliminated the test pencil and increased weight the back, apply the torsion on the aluminium palladium piece, after having avoided a lot of dismouting to connect, the aluminium palladium piece distortion that causes warp the problem of rupture even, connecting device's life has been prolonged, and has simple structure, convenient operation and strong advantage of practicality. The problem of among the current connecting device, behind aluminium palladium piece or the test pencil weight gain, can exert torsion on aluminium palladium piece through the pencil terminal, through many times dismouting connection, aluminium palladium piece distortion even break that causes is solved.
The slide subassembly includes top slide 6 and lower slide 7, and top slide 6 passes through the connecting piece with lower slide 7 and connects the fastening, and the copper bar subassembly presss from both sides between the two.
In this embodiment, the connecting member is a bolt, the upper slide 6 is provided with a first mounting hole 603, the lower slide 7 is provided with a second mounting hole 703, and the first mounting hole 603 is fixed to the second mounting hole 703 through the bolt.
The upper sliding plate 6 and the lower sliding plate 7 are provided with grooves which are matched with the shape of the copper bar assembly on the opposite surfaces 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 disposed on the lower bottom surface of the upper sliding plate 6 and an upper positioning groove 701 disposed on the upper plane of the lower sliding plate 7, and the lower positioning groove 601 and the upper positioning groove 701 jointly accommodate and fix the copper bar assembly.
And a heat dissipation through hole is formed between the upper sliding plate 6 and the lower sliding plate 7 at the position corresponding to the copper bar assembly.
Through set up the recess that suits with copper bar subassembly shape on the opposite face of last slide and lower slide, make the copper bar subassembly be located the recess, realized the installation and the fixing of copper bar subassembly, and set up the heat dissipation through-hole in the position that corresponds the copper bar subassembly through last slide and lower slide centre, realized the quick heat dissipation of copper bar subassembly.
In this embodiment, the heat dissipating through hole includes a first heat dissipating hole 602 disposed in the lower positioning groove 601 and a second heat dissipating hole 702 disposed in the upper positioning groove 701.
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 bar assemblies are L-shaped, at least one of the ends connected with each other is provided with a long round hole, and height adjustment between the copper bar assemblies is achieved.
Through set up at least one slotted hole on first copper bar and the continuous one end of second copper bar, 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 connecting hole 801 is formed in the horizontal section of the first copper bar 8 and used for being connected with the aluminum-palladium connecting block 4 on the negative electrode of the battery cell 3, a first long circular hole 802 is formed in the vertical section, a second connecting hole 901 is formed in the horizontal section of the second copper bar and used for being connected with the test harness 5, a second long circular hole 902 is formed in the vertical section, and height adjustment is achieved by adjusting the relative positions of the first long circular hole 802 and the second long circular hole 902.
Through set up first slotted hole on first copper bar, set up the second slotted hole on the second copper bar simultaneously, 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 after the position was confirmed, first slotted hole passes through the bolt and is fixed together with the second slotted hole.
In this embodiment, the first copper bar is coated with an insulating material at a position between the first connecting hole and the first oblong hole, and the second copper bar is coated with an insulating material at a position between the second connecting hole and the second oblong hole.
The other end of each of the first copper bar 8 and the second copper bar 9 is also provided with a round hole or a long round hole, and the round hole or the long round hole is respectively connected with the aluminum-palladium connecting block 4 on the negative electrode of the battery cell 3 and the test wire harness 5.
The sliding rail 201 and the sliding groove are in a trapezoidal 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.
The sliding rail and the sliding groove are in a trapezoidal structure, so that the transverse separation phenomenon of the upper sliding plate and the lower sliding plate is avoided in the process of sliding 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 mounting stability is guaranteed, and the mounting and dismounting are facilitated.
Be equipped with a plurality of mounting grooves 101 on the base 1, the lower extreme joint of slide rail 201 is at mounting groove 101.
Through setting up a plurality of mounting grooves on the base, make the lower extreme joint of slide rail on the curb plate in the mounting groove, guaranteed the steadiness of curb plate installation.
The sliding rail further comprises a fixture block 10, and the fixture block 10 is clamped at the upper end of the sliding rail 201.
Through setting up the fixture block to with the fixture block joint on the top of the slide rail of two blocks of curb plates, further guaranteed the stability of whole device.
In this embodiment, the lower bottom surface of the fixture block 10 is formed with opposite clamping grooves 1001, and the clamping grooves 1001 are clamped at the top ends of the slide rails 201 of the two side plates 2.
The base 1, the side plates 2, the sliding plate assembly and the clamping blocks 10 are made of insulating materials.
The installation steps of the connecting device for the battery core and the test harness in the embodiment are that a first copper bar is placed in an upper positioning groove of a lower sliding plate, the lower positioning groove of the upper sliding plate is placed above the first copper bar, two ends of the upper sliding plate and two ends of the lower sliding plate are aligned, the upper sliding plate and the lower sliding plate are fastened by penetrating bolts through a first installation hole and a second installation hole, and the first copper bar and the second copper bar are connected together by penetrating bolts through a first long circular hole and a second long circular hole without fastening, so that subsequent height adjustment is facilitated; the two side plates are arranged on the base, wherein the installation groove is in interference fit with the lower end of the slide rail, and the assembly stability is ensured; the sliding grooves at the two ends of the upper sliding plate and the lower sliding plate are perpendicularly inserted into 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 pulling forces with the same size and the opposite directions to the upper sliding plate and the lower sliding plate, the mounting groove of the bottom plate is in contact with the sliding rails on the sides and extrudes the sliding rails mutually, the spatial positions of the upper sliding plate and the lower sliding plate are fixed under the action of static friction force, and the clamping grooves of the clamping blocks can be 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 cell and the test harness of the connection device of the battery cell and the test harness in this embodiment is to adjust the vertical distance between the aluminum palladium connection block of the negative electrode of the battery cell and the first copper bar and the vertical distance between the second copper bar and the test harness end by sliding the slide plate assembly up and down and adjusting the relative positions of the first slotted hole and the second slotted hole, so that the aluminum palladium connection block of the negative electrode of the battery cell and the first copper bar are on the same plane, and the test harness terminal and the second copper bar are on the same plane and fastened, thereby eliminating the torsion force exerted on the aluminum palladium block by the test harness due to the self weight, solving the problem that the torsion force is exerted on the aluminum palladium block by the harness terminal after the weight of the aluminum palladium block or the test harness is increased, and causing the problem that the aluminum palladium block is distorted, deformed or even broken after being disassembled and connected for many times, and then connecting the test hole of the aluminum palladium block of the negative electrode of the battery cell and the first connection hole with the adjusted height, and the fastening connection is carried out through bolts, nuts and gaskets.
According to the connecting device of the battery core and the test harness, firstly, the sliding plate assembly capable of sliding up and down is installed on the side plate, the height of the copper bar assembly is adjusted by the up-down sliding of the sliding plate assembly, so that the aluminum-palladium connecting block is in a horizontal state and is not bent, the vertical distance between the copper bar assembly and the test harness is realized, and the terminal of the test harness and the copper bar assembly are in the same horizontal state, so that the torsion applied to the aluminum-palladium block after the weight of the test harness is increased is eliminated, the problem that the aluminum-palladium block is distorted, deformed and even broken after repeated dismounting and connection is avoided, the service life of the connecting device is prolonged, and the connecting device has the advantages of simple structure, convenience in operation and strong practicability. The problem that after the aluminum palladium block or a test wire harness is weighted, torsion is applied to the aluminum palladium block through a wire harness terminal, and the aluminum palladium block is twisted, deformed and even broken after being connected in a dismounting mode for many times in the existing connecting device is solved; secondly, grooves which are matched with the copper bar assemblies in shape are formed in 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 copper bar assemblies are installed and fixed, and the heat dissipation through holes are formed in the positions, corresponding to the copper bar assemblies, between the upper sliding plate and the lower sliding plate, so that the copper bar assemblies can dissipate heat quickly; thirdly, at least one long circular hole is formed in one end, connected with the first copper bar, of the second copper bar, so that height adjustment between the first copper bar and the second copper bar is achieved, and further convenience is brought to height adjustment of the aluminum-palladium connecting block and the test wire harness; fourthly, the slide rail and the slide groove are in a trapezoidal structure, so that the transverse separation phenomenon is avoided in the process that the upper slide plate and the lower slide plate slide 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 mounting stability is ensured, and the mounting and dismounting are facilitated; finally, through setting up the fixture block to with the top of fixture block joint at the slide rail of two blocks of curb plates, further guaranteed the stability of whole device, in car battery test technical field, have popularization and application value.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention.
Claims (10)
1. The utility model provides a connecting device of electricity core and test pencil, its characterized in that, includes base (1), curb plate (2), slide subassembly and copper bar subassembly, install curb plate (2) on base (1), the slide unit mount is in on curb plate (2), the slide subassembly can be followed curb plate (2) slide from top to bottom and fix, the copper bar subassembly presss from both sides and establishes in the slide subassembly, the one end of copper bar subassembly is arranged in linking to each other with aluminium palladium connecting block (4) on electric core (3) negative pole, and the other end is used for linking to each other with test pencil (5), through slide subassembly's upper and lower slide adjusting the height of copper bar subassembly realizes the height adjustment of aluminium palladium connecting block (4) and test pencil (5).
2. The connecting device of the battery core and the test harness according to claim 1, wherein the side plates (2) have a left side and a right side, the lower ends of the two side plates are clamped on the base (1), slide rails (201) are arranged on the inner sides of the two side plates (2) along the height direction, and the slide plate assembly is installed in a matching manner with the slide rails (201) through slide grooves correspondingly arranged on the two sides.
3. The connecting device for the battery core and the test harness of claim 1, wherein 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.
4. The connecting device for the battery core and the test harness according to claim 3, wherein the upper sliding plate (6) and the lower sliding plate (7) are provided with grooves corresponding to the shape of the copper bar assembly on opposite surfaces of the copper bar assembly, so that the copper bar assembly is positioned in the grooves.
5. The connecting device for the battery core and the test harness according to claim 3, wherein a heat dissipation through hole is formed in the middle of the upper sliding plate (6) and the lower sliding plate (7) at a position corresponding to the copper bar assembly.
6. The device for connecting an electric core and a test harness according to claim 1, wherein 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 first copper bar and the second copper bar are L-shaped, at least one end of the two connected with each other is provided with a long round hole, and height adjustment between the first copper bar and the second copper bar is achieved.
7. The device for connecting the battery core and the test harness as claimed in claim 6, wherein the first copper bar (8) and the second copper bar (9) are also provided with round holes or oblong holes at their respective other ends, and are respectively connected to the aluminum-palladium connecting block (4) on the negative electrode of the battery core (3) and the test harness (5).
8. The device for connecting an electric core and a test harness according to claim 2, wherein the sliding rail (201) and the sliding groove are in a trapezoidal configuration, 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).
9. The connecting device for the battery core and the test harness according to claim 2, wherein a plurality of mounting grooves (101) are formed in the base (1), and the lower ends of the sliding rails (201) are clamped in the mounting grooves (101).
10. The connecting device for the battery core and the test harness of claim 2, further comprising a fixture block (10), wherein the fixture block (10) is clamped at the upper end of the sliding rail (201).
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| CN114142183B (en) | 2023-05-23 |
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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. |