CN221304893U - Aviation is with two side play utmost point ear battery module - Google Patents

Abstract

The utility model discloses a double-side tab battery module for aviation, relates to the technical field of power batteries, and aims to solve the problems of internal overheating, large internal resistance, uneven heat and the like caused by tab on the same side and high-rate discharge in a traditional module structure; the module comprises a module cover and a module shell, wherein the module shell is connected with the module cover, and two groups of module covers and the module shell enclose a mounting cavity; the mounting cavity is internally provided with two-side tab battery cores, and the module cover is provided with a connecting row; by adopting the battery module with the double-side tab battery cells, compared with the traditional module battery with the single-side tab battery cells, the contact area of the positive tab and the negative tab is effectively increased when the battery module is subjected to high-rate discharge, the internal heat is uniform, the problems of overheating and large internal resistance are avoided, and the discharge efficiency and the service life of the whole module are improved; the module cover is also provided with a busbar connected with the lug collected by the connecting bar, and the busbar is provided with a pole protruding out of the module cover.

Description

Aviation is with two side play utmost point ear battery module

Technical Field

The utility model relates to the technical field of power batteries, in particular to a battery module with two side tabs for aviation.

Background

With the continuous development of aviation industry technology, a matched power supply system is required to develop towards a direction with high-rate discharge and high discharge efficiency. In the traditional battery module structure, because of the tab homonymy, when using heavy current to discharge, generate heat seriously, cause inside overheated, internal resistance is partial big and the heat is uneven, lead to battery module discharge inefficiency, and influence its life.

Therefore, the application provides the aviation double-side tab battery module to meet the requirements.

Disclosure of utility model

The application aims to provide a double-side tab battery module for aviation, which aims to solve the problems of internal overheating, large internal resistance, uneven heat and the like caused by the fact that tabs are on the same side and discharge is performed at a high rate in a traditional module structure.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides an aviation is with two side play utmost point ear battery module, includes module lid and module casing, the module casing is the penetrating casing in upper and lower both ends, the upper and lower both ends of module casing are through countersunk head screw connection have the module lid, two sets of module lid and the module casing enclose and become the installation cavity;

The mounting cavity is internally provided with two-side tab-outlet electric cores, a plurality of groups of two-side tab-outlet electric cores are arranged, and positive tabs and negative tabs are arranged on the two-side tab-outlet electric cores; the module cover is provided with a connecting row for collecting a plurality of groups of lugs on the double-side lug discharging battery cores; by adopting the battery module with the double-side tab battery cells, compared with the traditional module battery with the single-side tab battery cells, the contact area of the positive tab and the negative tab is effectively increased when the battery module is subjected to high-rate discharge, the internal heat is uniform, the problems of overheating and large internal resistance are avoided, and the discharge efficiency and the service life of the whole module are improved;

And the module cover is also provided with a busbar connected with the lug collected by the connecting bar, and the busbar is provided with a pole protruding out of the module cover.

Preferably, a counter bore is formed in the module cover, and countersunk screws for connecting the busbar and the connecting row are arranged in the counter bore; the limiting ribs are arranged on the opposite surfaces of the module cover and the module shell and used for limiting the busbar and the connecting bar, and the limiting ribs can be used for limiting the busbar and the connecting bar in advance when the busbar and the connecting bar are installed, so that countersunk screws can be screwed and fixed conveniently; the module cover and the back surface of the module shell are provided with insulating columns.

Preferably, the connection row is provided with a plurality of groups of lead-out grooves for the tabs on the two-side tab-out battery cells to pass through, and the connection row is connected with the tabs on the two-side tab-out battery cells through pan head screws; the opposite surfaces of the connecting rows and the module cover are provided with protrusions for connection; and the opposite surfaces of the connecting row and the battery cells with the two side outlet lugs are provided with long bosses for increasing overcurrent capacity.

Preferably, the busbar is provided with a square boss, the pole is arranged on the square boss, and the module cover is provided with a square hole matched with the square boss; and the busbar is connected with the tab collected by the connecting row through a pan head screw.

In summary, the utility model has the technical effects and advantages that:

According to the utility model, the battery module with the double-side tab cell is adopted, so that compared with the traditional module battery with the single-side tab cell, the contact area of the positive tab and the negative tab is effectively increased when the module battery is subjected to high-rate discharge, the internal heat is uniform, the problems of overheating and large internal resistance are avoided, and the discharge efficiency and the service life of the whole module are improved.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a partial exploded view of the present utility model;

FIG. 4 is a partial exploded view of the present utility model;

FIG. 5 is a schematic diagram of a dual-side tab cell structure according to the present utility model;

FIG. 6 is a schematic view of a module cover according to the present utility model;

FIG. 7 is a schematic view of a connecting row structure according to the present utility model;

FIG. 8 is a schematic diagram of a bus structure according to the present utility model.

In the figure: 1. countersunk head screws;

2. A module cover; 21. a limit rib; 22. an insulating column; 23. square holes;

3. a busbar; 31. square boss; 32. a pole;

4. a connection row; 41. a protrusion; 42. an elongated boss; 43. a lead-out groove;

5. A pan head screw;

6. two sides are provided with tab cells; 61. a positive electrode tab; 62. a negative electrode ear;

7. a module housing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

1-8, The aviation double-side tab battery module comprises a module cover 2, a busbar 3, a connecting row 4, a double-side tab battery cell 6, a module shell 7, countersunk head screws 1 and pan head screws 5;

Module case 7: the module shell 7 is made of 1060 aluminum alloy material through machining, is matched with the module cover 2, encloses a synthetic mounting cavity and is used for packaging the double-side tab battery cell 6.

Module cover 2: the module cover 2 is manufactured by adopting a flame-retardant PPS material machine, and insulating columns 22 are designed around the outside and used for insulating metal pieces; the square hole 23 is designed on the upper surface, and the polar post 32 for the positive electrode and the negative electrode is led out; countersunk holes are designed, and a busbar 3 and a connecting bar 4 are fixed through countersunk screws 1; the inner surface (the surface opposite to the module shell 7) is provided with annular limiting ribs 21, which play a role in limiting the busbar 3 and the connecting bar 4.

Connection row 4: the connecting bar 4 is made of red copper material and is manufactured by machining, and an extraction groove 43 is designed for extracting the tab; the upper surface is provided with a threaded hole, and the lug is fixed through a pan head screw 5; the round bulge 41 is designed on the upper surface, a threaded hole is embedded in the round bulge, and the connecting row 4 is fixed on the module cover 2 through the countersunk head screw 1; an elongated boss 42 is designed below to increase the flow capacity.

Two-sided tab cell 6: the double-side tab discharging battery cell 6 adopts a double-side tab discharging mode, and comprises a positive tab 61 and a negative tab 62, so that the discharge requirement of heavy current can be met, and the heat dissipation is uniform.

Busbar 3: the busbar 3 is made of red copper and is manufactured by machining, a square boss 31 is designed on the busbar, and a pole 32 of M10 is designed on the square boss 31 and is used for connecting an external conductive component; the above is designed with a threaded hole, and the busbar 3 is fixed on the module cover 2 through the countersunk head screw 1.

The working principle of the utility model is as follows: the positive electrode lug 61 and the negative electrode lug 62 of the battery cell 6 with two side electrode lugs are collected and fixed on the connecting bar 4 through the pan head screw 5, and then the collected positive electrode lug 61 and the collected negative electrode lug 62 are fixed on the busbar 3 through the pan head screw 5. The lead-out groove 43 designed on the connection row 4 is used for leading out the positive lug 61 and the negative lug 62, designing threaded holes, fixing the positive lug 61 and the negative lug 62 through the pan head screw 5, designing the bulge 41, embedding the threaded holes, and fixing the connection row 4 on the module cover 2 through the countersunk head screw 1; the elongated boss 42 is designed to increase the flow capacity. Then the battery cores 6 with two side tabs are put into the module shell 7; finally, the module cover 2 and the module housing 7 are fixed by using the countersunk head screw 1.

The electromechanical connection related to the utility model is a conventional means adopted by the person skilled in the art, and the technical teaching can be obtained through limited tests, and the method belongs to common general knowledge.

The components not described in detail herein are prior art.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. Aviation is with two side play utmost point ear battery module, its characterized in that: the module comprises a module cover (2) and a module shell (7), wherein the module shell (7) is a shell with transparent upper and lower ends, the upper and lower ends of the module shell (7) are connected with the module cover (2) through countersunk screws (1), and two groups of the module cover (2) and the module shell (7) are enclosed to form a mounting cavity;

A double-side tab discharging electric core (6) is arranged in the mounting cavity, a plurality of groups of double-side tab discharging electric cores (6) are arranged, and a positive tab (61) and a negative tab (62) are arranged on the double-side tab discharging electric core (6);

the module cover (2) is provided with a connecting row (4) for collecting a plurality of groups of lugs on the double-side lug discharging battery cores (6);

And the module cover (2) is also provided with a busbar (3) connected with the lugs collected by the connecting row (4), and the busbar (3) is provided with a pole column (32) protruding out of the module cover (2).

2. The aviation double-sided tab battery module of claim 1, wherein: the module cover (2) is provided with a counter bore, and countersunk head screws (1) used for connecting the busbar (3) and the connecting bar (4) are arranged in the counter bore.

3. The aviation double-sided tab battery module of claim 1, wherein: a limiting rib (21) for limiting the installation of the busbar (3) and the connecting row (4) is arranged on the opposite surface of the module cover (2) and the module shell (7); the module cover (2) and the back surface of the module shell (7) are provided with insulating columns (22).

4. The aviation double-sided tab battery module of claim 1, wherein: a plurality of groups of lead-out grooves (43) for the lugs on the double-side lug-out electric core (6) to pass through are formed in the connecting row (4), and the connecting row (4) is connected with the lugs on the double-side lug-out electric core (6) through pan head screws (5); the opposite surfaces of the connecting row (4) and the module cover (2) are provided with protrusions (41) for connection; and the opposite surfaces of the connecting row (4) and the double-side tab battery cell (6) are provided with an elongated boss (42) for increasing overcurrent capacity.

5. The aviation double-sided tab battery module of claim 1, wherein: the busbar (3) is provided with a square boss (31), the polar column (32) is arranged on the square boss (31), and the module cover (2) is provided with a square hole (23) matched with the square boss (31); the busbar (3) is connected with the lugs collected by the connecting row (4) through pan head screws (5).