CN217387240U

CN217387240U - Solderless module

Info

Publication number: CN217387240U
Application number: CN202220720552.XU
Authority: CN
Inventors: 蒋鼎明
Original assignee: Zhejiang Lingxiao Energy Technology Co Ltd
Current assignee: Zhejiang Lingxiao Energy Technology Co Ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-09-06
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a there is not welding module, including self-plugging rivet, electric core photo holder frame, electric core and voltage temperature sampling pencil, electric core sets up in electric core photo holder frame, and voltage temperature sampling pencil is connected with electric core, and electric core photo holder frame, electric core and voltage temperature sampling pencil three pass through self-plugging rivet and connect. The utility model provides a there is not welding module, it is stable to have the installation, and the ladder of the electric core of being convenient for utilizes, advantages such as the automated production of being convenient for.

Description

Solderless module

Technical Field

The utility model belongs to the technical field of soft package module installation and specifically relates to a no welding module is related to.

Background

Traditional soft package module adopts laser welding in groups, with utmost point ear welding on the busbar, it is efficient in groups, be unfavorable for automated production, the maintenance difficulty during trouble is unfavorable for electric core ladder to utilize. Therefore, an urgent need is to develop a no welding module, cancels the welding process of electricity core body to the module is made up to the mode that mechanical structure connects, utilizes and dismantles the maintenance in order to do benefit to the ladder of electricity core.

Chinese patent application publication No. CN209515770U, published as 2019, 10, month, 18, entitled "high-energy density soft package battery module", discloses a high-energy density soft package battery module, which comprises a battery core, a middle frame and a heat dissipation aluminum plate, the heat dissipation aluminum plate and the battery cell are embedded in the middle frame, two sides of the heat dissipation aluminum plate are tightly attached to the battery cell, two strip-shaped polar columns and a bolt mechanism are arranged at the top end of the middle frame, the top end of the pole is welded with the connecting bar, two side surfaces of the pole parallel to the battery cell are welded with the electrode lugs of the battery cell, a plurality of middle frames are connected through a bolt mechanism, the connecting row is connected with a CCS integrated plate, the connecting plate and the CCS integrated plate are covered with a protective cover plate, the battery pack is characterized in that end plates are arranged at two ends of the battery pack and are fixedly connected through four pressing strips, the connecting row is welded with the main row at the position of the end plate, and the main row and the CCS integrated plate are fixed on the end plates through plastic supports. The utility model discloses battery module adopts welding technique to realize no threaded connection, has stopped the easy not hard up risk of threaded connection, has improved battery pack's uniformity and stability, has reduced connection cost. However, the module after welding is difficult to disassemble and difficult to maintain in case of failure.

Disclosure of Invention

The utility model discloses an overcome among the prior art electric core module welding installation irreversible, the unstable problem of mechanical structure installation provides a no welding module, has the installation stable, and the ladder of the electric core of being convenient for utilizes, advantages such as the automated production of being convenient for.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a there is not welding module, includes self-plugging rivet, electric core photo holder frame, electric core and voltage temperature sampling pencil, and electric core setting is in electric core photo holder frame, and voltage temperature sampling pencil is connected with electric core, and electric core photo holder frame, electric core and voltage temperature sampling pencil three are through self-plugging rivet connection.

Among the above-mentioned technical scheme, an electricity core forms an electricity core unit with an electricity core photo holder frame after the assembly, a plurality of electricity core unit arranges in proper order and forms the electricity core unit group, utilize self-plugging rivet with electric core, electricity core photo holder frame and voltage temperature sampling pencil integrated connection, electric core body need not through the welding process, the ladder utilization of the electricity core of being convenient for, self-plugging rivet's fixed mode is for passing through material deformation inflation simultaneously, it is fixed stable, the laser welding process has been cancelled compared prior art, the busbar has been reduced, parts such as fixed bolster, the cost is reduced, weight has been reduced, energy density and production efficiency have been improved, the automated production of being convenient for.

Preferably, the battery cell comprises a tab, a through hole is formed in the tab, the battery cell photo frame is attached to the tab, two aluminum blocks embedded into the battery cell photo frame are arranged at the attachment position of the battery cell photo frame and the tab, a hole matched with the through hole is formed in the aluminum blocks, the self-plugging rivet penetrates through the through hole and the hole, the aluminum blocks are embedded into the battery cell photo frame and fixed to the battery cell photo frame, the self-plugging rivet penetrates through the hole in the aluminum blocks and the through hole in the tab, then the self-plugging rivet is subjected to core-plugging expansion deformation, the tab is fixed to the battery cell photo frame, and connection stability is achieved.

As preferred, the aluminium pig divide into inboard aluminium pig and outside aluminium pig, is equipped with the sampling terminal on the voltage temperature sampling pencil, and inboard aluminium pig cooperation self-plugging rivet is used for connecting utmost point ear and electric core photo holder frame, realizes the fixed of electric core and electric core photo holder frame, and electric core photo holder frame constitute a whole, and outside aluminium pig cooperation self-plugging rivet is used for connecting sampling terminal and utmost point ear, realizes electric core, electric core photo holder frame and voltage temperature sampling pencil three's connection.

As preferred, be equipped with the round pin in the one side of electric core photo holder frame, be equipped with on the other side of electric core photo holder frame with round pin complex pinhole, utilize during the installation round pin and pinhole's cooperation can link together a plurality of electric core photo holder frame, the installation of the electric core unit group of being convenient for.

Preferably, the cell photo frame is further provided with a grid matched with the lug, the grid is matched with the lug to limit the lug, and subsequent fixing of the lug is facilitated.

Preferably, the battery cell is provided with a rubber pad, the rubber pad is back-glued on two sides, and the battery cell are connected by glue on the rubber pad.

As preferred, still include external fixation frame, external fixation frame includes front end plate, back end plate and upper cover, and front end plate and back end plate set up respectively in the both sides of electric core photo holder frame, are equipped with the recess on front end plate, back end plate and the electric core photo holder frame, are equipped with plastics on the recess and roll the area, and the upper cover setting is at electric core photo holder frame top, and electric core photo holder frame is carried behind front end plate and the back end plate in the same line, plastics roll the area with front end plate, back end plate and electric core photo holder frame are fixed together, stable in structure, the upper cover is used for sheltering from electric core utmost point ear, and is safer.

Preferably, still include sampling controller, voltage temperature sampling pencil includes the connector, and sampling controller is fixed with the front end plate, and the connector cooperates with sampling controller, and sampling controller is as a part of module, and is connected with the connector on the voltage temperature sampling pencil with the front end plate is fixed, has perfected the function of module and has connected stably.

Preferably, the top of the battery cell photo frame is provided with a fixing port, so that the upper cover is connected with the battery cell photo frame through a bolt.

Preferably, the electric core photo frame is provided with a wiring groove, the wiring groove is matched with the voltage temperature sampling wiring harness, the wiring groove provides an installation space for the voltage temperature sampling wiring harness, the voltage temperature sampling wiring harness is limited, and the installation is convenient.

The utility model has the advantages that: (1) the cell body does not need a laser welding process, so that the stepped utilization of the cell is facilitated; (2) the structure is detachable, so that the disassembly and maintenance when a single battery core breaks down are facilitated; (3) the core, the sampling terminal and the core photo frame are integrated and fixed by the self-plugging rivet, so that the overall strength of the module is high; (4) compared with the prior art, the structure is simpler, the welding process is omitted, the cost is low, the weight is light, and the automatic production is suitable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the matching between the battery cell and the battery cell photo frame of the present invention;

FIG. 3 is a cross-sectional view of the cell photo frame of the present invention;

fig. 4 is a schematic diagram of a cell unit group of the present invention.

In the figure: the device comprises an upper cover 1, rivets 2, a plastic rolling belt 3, a rear end plate 4, a cell photo frame 5, a cell 6, a front end plate 7, a sampling controller 8, a voltage and temperature sampling wire harness 9, a sampling terminal 10, a rubber pad 11, a grid 12, a cell unit 13, a tab 14, a cell unit group 15, an inner side aluminum block 16.1, an outer side aluminum block 16.2, a blind rivet 17, a hole site 18, a pin hole 19.1 and a pin 19.2.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

Example 1:

as shown in fig. 1, fig. 2, fig. 3, and fig. 4, a weldless module includes an upper cover 1, rivets 2, a plastic rolled strip 3, a rear end plate 4, a cell photo frame 5, a cell 6, a front end plate 7, a sampling controller 8, a voltage and temperature sampling harness 9, a sampling terminal 10, a rubber pad 11, a grid 12, a cell unit 13, a tab 14, a cell unit group 15, an inner side aluminum block 16.1, an outer side aluminum block 16.2, blind rivets 17, hole sites 18, pin holes 19.1, and pins 19.2;

the battery cell 6 is arranged in the battery cell photo frame 5, the voltage and temperature sampling wire harness 9 is connected with the battery cell 6, and the battery cell photo frame 5, the battery cell 6 and the voltage and temperature sampling wire harness 9 are connected through the self-plugging rivet 17. An electric core 6 and an electric core photo frame 5 are assembled to form an electric core unit 13, a plurality of electric core units 13 are sequentially arranged to form an electric core unit group 15, the electric core 6 comprises a lug 14, a perforation is arranged on the lug 14, the electric core photo frame 5 is attached to the lug 14, two aluminum blocks embedded into the electric core photo frame 5 are arranged at the attachment position of the electric core photo frame 5 and the lug 14, a hole matched with the perforation is formed in each aluminum block, a self-plugging rivet 17 penetrates through the perforation and the hole, each aluminum block is divided into an inner aluminum block 16.1 and an outer aluminum block 16.2, a sampling terminal 10 is arranged on a voltage and temperature sampling harness 9, a pin 19.2 is arranged on one surface of the electric core photo frame 5, a pin 19.2 hole 19.1 matched with the pin 19.2 is arranged on the other surface of the electric core photo frame 5, a grid matched with the lug 14 is further arranged on the electric core 6, a rubber pad 11 is arranged on the electric core 6, double-sided gum of the rubber pad 11 is further arranged on the electric core photo frame, the electric core photo frame further comprises an external fixing frame, the external fixing frame comprises a front end plate 7, a front end plate, a plurality of the external fixing frame, Rear end plate 4 and upper cover 1, front end plate 7 and rear end plate 4 set up the both sides at electric core photo holder frame 5 respectively, front end plate 7, be equipped with the recess on rear end plate 4 and the electric core photo holder frame 5, be equipped with plastics on the recess and roll area 3, upper cover 1 sets up at electric core photo holder frame 5 top, still include sampling controller 8, voltage temperature sampling pencil 9 includes the connector, sampling controller 8 is fixed with front end plate 7, connector and sampling controller 8 cooperation, be equipped with the trough on the electric core photo holder frame 5, trough and the cooperation of voltage temperature sampling pencil 9, electric core photo holder frame 5 top is equipped with fixed mouthful.

Among the above-mentioned technical scheme, utilize self-plugging rivet 17 with electric core 6, electric core photo holder frame 5 and voltage temperature sampling pencil 9 integrated connection, electric core 6 body need not through welding process, the ladder of the electric core 6 of being convenient for is utilized, self-plugging rivet 17's fixed mode is for passing through material deformation inflation simultaneously, it is fixed stable, compared prior art cancelled the laser welding process, parts such as busbar, fixed bolster have been reduced, the cost is reduced, weight has been reduced, energy density and production efficiency have been improved, the automated production of being convenient for. The aluminum block is embedded into the cell photo frame 5 and fixed with the cell photo frame 5, and the loose core rivets 17 penetrate through holes in the aluminum block and through holes in the lugs 14 and then are subjected to loose core expansion deformation, so that the lugs 14 and the cell photo frame 5 are fixed and connected stably. The inboard aluminium pig 16.1 cooperation self-plugging rivet 17 is used for connecting utmost point ear 14 and electric core photo holder frame 5, realizes electric core 6 and electric core photo holder frame 5's fixed, and electric core 6 constitutes a whole with electric core photo holder frame 5, and outside aluminium pig 16.2 cooperation self-plugging rivet 17 is used for connecting sampling terminal 10 and utmost point ear 14, realizes electric core 6, electric core photo holder frame 5 and the connection of voltage temperature sampling pencil 9 three. Utilize the cooperation of round pin 19.2 and round pin 19.2 hole 19.1 to link together a plurality of electric core photo holder frame 5, carry out a preliminary spacing, integrate out electric core unit group 15, the installation of the electric core unit group 15 of being convenient for. The grid 12 is matched with the tab 14 to limit the tab 14, so that the tab 14 can be conveniently fixed subsequently. Glue on the rubber mat 11 may be used to adhere several cells 6 to each other. Preceding end plate 7 and back end plate 4 are in tandem carried electric core photo holder frame 5, and plastics are rolled area 3 and are fixed together front end plate 7, back end plate 4 and electric core photo holder frame 5, stable in structure, and upper cover 1 is used for sheltering from electric core utmost point ear 14, and is safer. The sampling controller 8 is used as a part of the module, is fixed with the front end plate 7 and is connected with the connector on the voltage and temperature sampling wire harness 9, the functions of the module are perfected, and the connection is stable. The top of the cell photo frame 5 is provided with a fixing port, so that the upper cover 1 is connected with the cell photo frame 5 through a bolt. The wiring groove provides installation space for the voltage temperature sampling wiring harness 9, the voltage temperature sampling wiring harness 9 is limited, and installation is convenient.

Claims

1. The utility model provides a there is not welding module, characterized by, including self-plugging rivet (17), electric core photo holder frame (5), electric core (6) and voltage temperature sampling pencil (9), electric core (6) set up in electric core photo holder frame (5), and voltage temperature sampling pencil (9) are connected with electric core (6), and electric core photo holder frame (5), electric core (6) and voltage temperature sampling pencil (9) three pass through self-plugging rivet (17) and connect.

2. The solderless module of claim 1, wherein the battery cell (6) comprises a tab (14), a through hole is formed in the tab (14), the battery cell frame (5) is attached to the tab (14), two aluminum blocks embedded into the battery cell frame (5) are arranged at the attachment of the battery cell frame (5) and the tab (14), a hole matched with the through hole is formed in each aluminum block, and the blind rivet (17) penetrates through the through hole and the hole.

3. A solderless module according to claim 2, wherein the aluminium block is divided into an inner aluminium block (16.1) and an outer aluminium block (16.2), and the voltage temperature sampling harness (9) is provided with the sampling terminal (10).

4. The solderless module of claim 3, wherein the cell frame (5) has a pin (19.2) on one side and a pin hole (19.1) on the other side for engaging the pin (19.2).

5. The solderless module of claim 4, wherein the cell frame (5) is further provided with a grid (12) for engaging the tab (14).

6. The solderless module of claim 5, wherein the battery cell (6) is provided with a rubber pad (11), and the rubber pad (11) is backed with adhesive on both sides.

7. A non-welding module according to claim 1, 2, 3, 4, 5 or 6, further comprising an external fixing frame, wherein the external fixing frame comprises a front end plate (7), a rear end plate (4) and an upper cover (1), the front end plate (7) and the rear end plate (4) are respectively arranged on two sides of the cell photo frame (5), grooves are arranged on the front end plate (7), the rear end plate (4) and the cell photo frame (5), plastic rolling bands (3) are arranged on the grooves, and the upper cover (1) is arranged on the top of the cell photo frame (5).

8. A solderless module according to claim 7, further comprising a sampling controller (8), the voltage temperature sampling harness (9) comprising a connector, the sampling controller (8) being secured to the front end plate (7), the connector cooperating with the sampling controller (8).

9. The solderless module of claim 7, wherein the top of the cell frame (5) is provided with a fixing opening.

10. A solderless module according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein the cell frame (5) is provided with a wiring groove, and the wiring groove is matched with the voltage and temperature sampling wiring harness (9).