Power battery with novel battery electric connection sheet structure

Abstract

The utility model relates to the technical field of battery connection, and provides a power battery with a novel battery electric connecting piece structure, which comprises an outer box and lithium batteries, the lithium batteries are uniformly arranged in the outer box, binding posts are arranged on two sides of the top end of each lithium battery, and connecting structures are mounted on two sides of the top end of each lithium battery. And a clamping structure is arranged on one side in the outer box. The clamping structure is arranged, the rotating shaft penetrates through the outer box, the handle and the fixing plate are fixed to the two ends of the rotating shaft respectively, the rotating shaft is rotated, the rotating shaft and the outer box are fixed through threads when the rotating shaft rotates, the rotating shaft is continuously rotated till the protection pad and the lithium battery abut against each other, and the lithium battery can be stably placed in the outer box; the lithium battery is prevented from shaking during use, so that the device has a function of stably placing the lithium battery, and the service life of the power battery during use is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of battery connection, in particular to a power battery with a novel battery electrical connecting piece structure. Background Art

[0002] As environmental protection and energy consumption issues become increasingly prominent, new energy vehicles are playing an increasingly important role in daily life. The rapid growth of the electric vehicle market has driven the demand for high-performance and high-safety power batteries. The various parts of the power battery also need to be gradually optimized. Therefore, it is necessary to design a power battery with a new battery electrical connector structure.

[0003] To this end, the patent with publication number CN203932170U discloses a battery connecting piece and a power battery using the battery connecting piece, wherein the battery connecting piece includes an aluminum connecting part, a copper connecting part and a rivet, the aluminum connecting part is connected to the aluminum terminal of the battery, the copper connecting part is connected to the copper terminal of the battery, and the aluminum connecting part and the copper connecting part are first welded and then connected by rivets; at the same time, the utility model also provides a power battery, the single cells of the power battery are connected by a battery connecting piece, and the battery connecting piece is the battery connecting piece provided by the utility model. The use of the battery connecting piece provided by the utility model solves the problem of difficult and unreliable welding of copper and aluminum between the connecting piece and the electrode terminal, while reducing the welding cost;

[0004] Although the copper-aluminum welding between the connecting piece and the electrode terminal of the power battery mentioned above is convenient and reliable during use, the battery will shake inside the vehicle during operation, reducing the battery life. Therefore, it is necessary to design a power battery with a new battery electrical connecting piece structure that can remain stable when the vehicle is driving. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model aims to provide a power battery with a novel battery electrical connecting piece structure, so as to solve the defect that the existing battery connecting piece and the power battery using the battery connecting piece are not stable enough during use. (II) Utility Model Content

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions: a power battery with a new battery electrical connecting piece structure, comprising an outer box and a lithium battery;

[0009] Lithium batteries are evenly arranged inside the outer box, terminals are arranged on both sides of the top of the lithium battery, and connection structures are installed on both sides of the top of the lithium battery;

[0010] A clamping structure is provided on one side of the inner part of the outer box, and the clamping structure includes a rotating shaft, a handle, a fixing plate and a protective pad. The rotating shaft is provided on one side of the inner part of the outer box, one end of the rotating shaft extends to the outside of the outer box and is fixed with a handle, the other end of the rotating shaft passes through the outer box and is fixed with a fixing plate, and a protective pad is fixed on a side of the fixing plate close to the lithium battery;

[0011] A heat dissipation structure is installed on the outer wall of one side of the outer box.

[0012] Preferably, the rotating shaft and the outer box are designed to be connected by threads, and one side of the protective pad and one side of the lithium battery are in conflict with each other. When the rotating shaft rotates, it can be fixed to the outer box by threads.

[0013] Preferably, the connection structure includes an insulating shell, a connection plate, a screw, a groove and a protective plug. The insulating shell is installed on both sides of the top of the clamping structure, the inside of the insulating shell is fixed with a connection plate, the top of the insulating shell is provided with grooves on both sides, the inside of the groove is provided with screws, and the top of the groove is provided with a protective plug. The device has the functions of insulation, protection and easy repair and replacement of screws.

[0014] Preferably, the bottom end of the screw passes through the connecting plate and extends to the inside of the terminal and is threadedly connected to the terminal, and the grooves are symmetrically distributed on both sides of the connecting plate. The lithium battery can be connected to the screw through the connecting plate.

[0015] Preferably, the protective plug and the insulating shell form a snap-fit ​​structure through a groove, and the protective plugs are symmetrically distributed on both sides of the insulating shell. Placing the protective plug into the groove can prevent the screw from contacting the outside world, and when the screw is damaged, the protective plug can be taken out to replace the screw.

[0016] Preferably, the heat dissipation structure includes a heat conducting plate, heat dissipation fins and bolts, the heat conducting plate is fixed to the outer wall of one side of the outer box, heat dissipation fins are evenly installed on one side of the heat conducting plate, and bolts are arranged at the corners of the heat conducting plate, so that the device has the function of heat dissipation.

[0017] Preferably, the heat dissipation fins are evenly spaced on one side of the heat conducting plate, and one end of the bolt passes through the heat conducting plate and extends into the interior of the outer box. The heat dissipation fins can dissipate heat to prevent the lithium battery from exploding or being damaged due to excessive heat inside the outer box when in use.

[0018] (III) Beneficial effects

[0019] The utility model provides a power battery with a novel battery electrical connecting piece structure, which has the following advantages:

[0020] By providing a clamping structure, the rotating shaft passes through the outer box, and the handle and the fixing plate are respectively fixed at both ends of the rotating shaft, and the rotating shaft is rotated. When the rotating shaft rotates, it is fixed to the outer box through the thread, and the rotating shaft is continuously rotated until the protective pad and the lithium battery collide with each other. The lithium battery can be firmly placed inside the outer box to prevent the lithium battery from shaking during use, so that the device has the function of firmly placing the lithium battery, and the service life of the power battery during use is increased;

[0021] By providing a connection structure, after the screw passes through the connection plate and is threadedly connected to the terminal, the lithium battery can be connected to the screw through the connection plate. The insulating shell is installed on the outside of the terminal, which can prevent the connection plate and the screw from directly contacting the outside world, prevent electric shock, and ensure that the connection between the connection plate and the screw will not be damaged. The protective plug is placed in the groove to prevent the screw from contacting the outside world, and when the screw is damaged, the protective plug can be taken out to replace the screw, so that the device has the functions of insulation, protection and easy repair and replacement of screws, and improves the safety of the battery connector and the power battery using the battery connector when in use;

[0022] By providing a heat dissipation structure, the lithium battery will generate heat when dissipating. When the heat passes through the outer box, it will be transferred to the heat conducting plate through the outer box. The heat conducting plate will transfer the heat to the heat dissipation fins. The heat dissipation fins can dissipate heat, thereby preventing the lithium battery from exploding or being damaged due to excessive heat inside the outer box when in use. The device has the function of heat dissipation, and the safety of the battery connecting piece and the power battery using the battery connecting piece when in use is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0025] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0026] Figure 4 It is a side view structural schematic diagram of the utility model;

[0027] Figure 5 It is a schematic diagram of the top view structure of the utility model;

[0028] Figure 6 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0029] Explanation of the reference numerals in the figure: 1. outer box; 2. lithium battery; 3. clamping structure; 301. rotating shaft; 302. handle; 303. fixing plate; 304. protective pad; 4. terminal; 5. connecting structure; 501. insulating shell; 502. connecting plate; 503. screw; 504. groove; 505. protective plug; 6. heat dissipation structure; 601. heat conducting plate; 602. heat dissipation fin; 603. bolt. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-6 The utility model provides a power battery with a novel battery electrical connecting piece structure, comprising an outer box 1 and a lithium battery 2.

[0032] See attached Figure 2 , Figure 3 , Figure 5 and Figure 6 , lithium batteries 2 are evenly arranged inside the outer box 1, terminals 4 are arranged on both sides of the top of the lithium battery 2, and connecting structures 5 are installed on both sides of the top of the lithium battery 2. The connecting structure 5 includes an insulating shell 501, a connecting plate 502, a screw 503, a groove 504 and a protective plug 505. The insulating shell 501 is installed on both sides of the top of the clamping structure 3, and the inside of the insulating shell 501 is fixed with a connecting plate 502. Grooves 504 are arranged on both sides of the top of the insulating shell 501, and screws 503 are arranged inside the grooves 504. Protective plugs 505 are arranged on the top of the grooves 504. The bottom end of the screw 503 extends through the connecting plate 502 to the inside of the terminal 4 and is threadedly connected with the terminal 4. The grooves 504 are symmetrically distributed on both sides of the connecting plate 502. The protective plugs 505 and the insulating shell 501 form a snap-fit ​​structure through the grooves 504. The protective plugs 505 are symmetrically distributed on both sides of the insulating shell 501.

[0033] After the screw 503 passes through the connecting plate 502 and is threadedly connected to the terminal 4, the lithium battery 2 can be connected to the screw 503 through the connecting plate 502. The insulating shell 501 is installed on the outside of the terminal 4 to prevent the connecting plate 502 and the screw 503 from directly contacting the outside world, thereby preventing electric shock and ensuring that the connection between the connecting plate 502 and the screw 503 will not be damaged. Placing the protective plug 505 into the groove 504 can also prevent the screw 503 from contacting the outside world, and when the screw 503 is damaged, the protective plug 505 can be taken out to replace the screw 503.

[0034] See attached Figure 1 and Figure 5 A clamping structure 3 is provided on one side inside the outer box 1, and the clamping structure 3 includes a rotating shaft 301, a handle 302, a fixing plate 303 and a protective pad 304. The rotating shaft 301 is provided on one side inside the outer box 1, one end of the rotating shaft 301 extends to the outside of the outer box 1 and is fixed with the handle 302, the other end of the rotating shaft 301 passes through the outer box 1 and is fixed with a fixing plate 303, and a protective pad 304 is fixed on one side of the fixing plate 303 close to the lithium battery 2, the rotating shaft 301 and the outer box 1 are designed to be threadedly connected, and one side of the protective pad 304 conflicts with one side of the lithium battery 2.

[0035] Pass the rotating shaft 301 through the outer box 1, and fix the handle 302 and the fixing plate 303 at both ends of the rotating shaft 301 respectively, rotate the rotating shaft 301, and the rotating shaft 301 is fixed to the outer box 1 through the thread during rotation. Continue to rotate the rotating shaft 301 until the protective pad 304 and the lithium battery 2 collide with each other, so that the lithium battery 2 can be firmly placed inside the outer box 1 to prevent the lithium battery 2 from shaking during use.

[0036] See attached Figure 1 , Figure 4 and Figure 5 A heat dissipation structure 6 is installed on the outer wall of one side of the outer box 1, and the heat dissipation structure 6 includes a heat conducting plate 601, heat dissipation fins 602 and bolts 603. The heat conducting plate 601 is fixed to the outer wall of one side of the outer box 1, and heat dissipation fins 602 are evenly installed on one side of the heat conducting plate 601. Bolts 603 are arranged at the corners of the heat conducting plate 601. The heat dissipation fins 602 are evenly distributed on one side of the heat conducting plate 601, and one end of the bolt 603 passes through the heat conducting plate 601 and extends to the inside of the outer box 1.

[0037] The lithium battery 2 generates heat when discharging. When the heat passes through the outer box 1, it is transferred to the heat conducting plate 601 through the outer box 1. The heat conducting plate 601 transfers the heat to the heat dissipating fins 602. The heat dissipating fins 602 can dissipate heat to prevent the lithium battery 2 from exploding or being damaged due to excessive heat inside the outer box 1 when in use.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A power battery with a novel battery electrical connection plate structure, comprising an outer box (1) and a lithium battery (2); Features: The outer box (1) is evenly provided with lithium batteries (2), both sides of the top of the lithium battery (2) are provided with terminal posts (4), and both sides of the top of the lithium battery (2) are installed with connection structures (5); A clamping structure (3) is provided on one side of the interior of the outer box (1), and the clamping structure (3) comprises a rotating shaft (301), a handle (302), a fixing plate (303) and a protective pad (304); the rotating shaft (301) is provided on one side of the interior of the outer box (1); one end of the rotating shaft (301) extends to the outside of the outer box (1) and is fixed with the handle (302); the other end of the rotating shaft (301) passes through the outer box (1) and is fixed with the fixing plate (303); and a protective pad (304) is fixed on a side of the fixing plate (303) close to the lithium battery (2); A heat dissipation structure (6) is installed on the outer wall of one side of the outer box (1).

2. A power battery with a novel battery electrical connection sheet structure according to claim 1, characterized in that: The rotating shaft (301) and the outer box (1) are designed to be threadedly connected, and one side of the protective pad (304) and one side of the lithium battery (2) are in conflict with each other.

3. A power battery with a novel battery electrical connection sheet structure according to claim 1, characterized in that: The connection structure (5) comprises an insulating shell (501), a connecting plate (502), a screw (503), a groove (504) and a protective plug (505); the insulating shell (501) is installed on both sides of the top of the clamping structure (3); the connecting plates (502) are fixed inside the insulating shell (501); grooves (504) are arranged on both sides of the top of the insulating shell (501); screws (503) are arranged inside the grooves (504); and the top of the grooves (504) is provided with protective plugs (505).

4. A power battery with a novel battery electrical connection sheet structure according to claim 3, characterized in that: The bottom end of the screw (503) passes through the connecting plate (502) and extends into the interior of the terminal (4) and is threadedly connected to the terminal (4). The grooves (504) are symmetrically distributed on both sides of the connecting plate (502).

5. A power battery with a novel battery electrical connection sheet structure according to claim 3, characterized in that: The protective plug (505) and the insulating shell (501) form a snap-fit ​​structure via a groove (504), and the protective plug (505) is symmetrically distributed on both sides of the insulating shell (501).

6. A power battery with a novel battery electrical connection sheet structure according to claim 1, characterized in that: The heat dissipation structure (6) comprises a heat conduction plate (601), heat dissipation fins (602) and bolts (603); the heat conduction plate (601) is fixed to an outer wall of one side of the outer box (1); heat dissipation fins (602) are evenly installed on one side of the heat conduction plate (601); and bolts (603) are arranged at the corners of the heat conduction plate (601).

7. A power battery with a novel battery electrical connection sheet structure according to claim 6, characterized in that: The heat dissipation fins (602) are distributed at equal intervals on one side of the heat conducting plate (601), and one end of the bolt (603) passes through the heat conducting plate (601) and extends to the interior of the outer box (1).

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