CN219123296U - Quick infiltration device of electric core - Google Patents

Abstract

The utility model discloses a quick infiltration device for an electric core, which comprises: the device comprises a pressure chamber, a frame, a pressure nozzle, a first pressure gauge, a second pressure gauge and a valve; the pressure chamber is provided with a closed cavity, the frame is arranged in the closed cavity, and the battery cell is vertically arranged on the frame; the pressure nozzle is arranged on the frame, one end of the pressure nozzle is opposite to the liquid injection port of the battery cell, and the valve is arranged on the other end of the pressure nozzle; the first pressure gauge is arranged on the pressure chamber and is communicated with the closed cavity; the second pressure gauge is arranged on the frame and is communicated with the pressure nozzle. Through setting up the valve with press the mouth to make electric core pressurization and evacuating mode can be realized through a device, reduce electric core infiltration time by a wide margin, shorten electric core production cycle, raise the efficiency.

Description

Quick infiltration device of electric core

Technical Field

The utility model relates to the technical field of electric core infiltration devices, in particular to a quick electric core infiltration device.

Background

In recent years, lithium ion batteries are widely applied to the fields of electronic products, electric automobiles, energy storage power supplies and the like due to the advantages of high energy density, long cycle life, environmental protection and the like. The high energy density and long cycle life of the lithium ion battery are inseparable from the degree of infiltration of the battery core. However, the process time is wasted in the process, which is not beneficial to the improvement of the working efficiency.

CN207765566U discloses a cell infiltration apparatus comprising: the pressure cavity mechanism is internally provided with a pressure cavity; the electric core smelting mechanism is arranged in the pressure cavity and used for clamping an electric core; the pressure in the pressure cavity is adjustable, and the battery cell jig mechanism is suitable for heating the battery cell in the process of clamping the battery cell, and has good infiltration effect and high speed. However, in the process, the battery cell is communicated with the pressure cavity, vacuum cannot be pumped, and electrolyte is easy to overflow.

Therefore, the new solution is expected to be able to quickly complete the cell infiltration and to effectively prevent the electrolyte overflow from occurring, thereby improving the production efficiency.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides a quick infiltration device for a battery cell.

The utility model provides a quick infiltration device for an electric core, which comprises the following components: the device comprises a pressure chamber, a frame, a pressure nozzle, a first pressure gauge, a second pressure gauge and a valve; the pressure chamber is provided with a closed cavity, the frame is arranged in the closed cavity, and the battery cell is vertically arranged on the frame; the pressure nozzle is arranged on the frame, one end of the pressure nozzle is opposite to the liquid injection port of the battery cell, and the valve is arranged on the other end of the pressure nozzle; the first pressure gauge is arranged on the pressure chamber and is communicated with the closed cavity; the second pressure gauge is arranged on the frame and is communicated with the pressure nozzle.

Preferably, the vacuum pump further comprises a first air inlet, wherein the first air inlet is arranged on the pressure chamber and is communicated with the closed cavity, and the first air inlet is used for vacuumizing.

Preferably, the device further comprises a second air inlet which is arranged on the pressure chamber and is communicated with the closed cavity, and the second air inlet is used for inputting protective gas.

Preferably, the automatic lifting device further comprises a first lifting piece, wherein the first lifting piece is installed on the frame and connected with the pressing nozzle and used for driving the pressing nozzle to vertically move, and the first lifting piece can be an air cylinder or an electric cylinder.

Preferably, the device further comprises a pipeline, one end of the pipeline is connected with the other end of the pressure nozzle, and the other end of the pipeline is connected with the second pressure gauge.

Preferably, the pipeline adopts a rubber hose.

Preferably, a plurality of pressure nozzles are arranged, so that a plurality of electric cells are soaked quickly.

Preferably, the device further comprises a connecting piece, wherein the connecting piece is provided with a cavity, and a plurality of pressure nozzles and valves are communicated with the cavity.

Preferably, the pressure chamber comprises a housing and a base, the housing being mounted on the base, the housing and the base forming a closed cavity.

Preferably, the lifting device further comprises a second lifting piece, wherein the second lifting piece is installed on the shell and used for driving the shell to move vertically, and the second lifting piece can be an electric cylinder or an air cylinder.

Preferably, the sealing device further comprises a sealing element, wherein the sealing element is arranged on the base and used for forming a sealing cavity between the shell and the base, and the sealing element can be a rubber sealing gasket or a sealing ring.

The utility model provides a cell rapid infiltration device, which has the following beneficial effects:

through setting up the valve with press the mouth to make electric core pressurization and evacuation mode can be realized through a device, reduce electric core infiltration time by a wide margin, shorten electric core production cycle, raise the efficiency, and through setting up with the relative pressure mouth of the notes liquid mouth of electric core, prevent that electric core dislocation from leading to gas leakage.

Drawings

FIG. 1 is a schematic diagram of a structure of a device for rapidly infiltrating a battery cell according to the present utility model when a housing and a base are not in contact;

fig. 2 is a schematic structural diagram of a contact between a casing and a base of a fast infiltration device for electrical core according to the present utility model, and a sealed cavity is formed.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In order to better understand the above technical scheme, the following detailed description of the technical scheme of the present utility model will be given with reference to the accompanying drawings of the specification and the specific embodiments.

Referring to fig. 1 to 2, a fast infiltration device for a battery cell according to the present utility model includes: the device comprises a pressure chamber 1, a frame 2, a pressure nozzle 3, a pipeline 6, a connecting piece 10, a first pressure gauge 8, a second pressure gauge 7, a valve 4, a first cylinder 5, a second cylinder 9, a first air inlet 12 and a second air inlet 13; the pressure chamber 1 comprises a shell a and a base b, wherein the shell a is positioned above the base b, and a closed cavity is formed between the shell a and the base b; the rack 2 is arranged on the base b and is positioned in the shell a, and a plurality of battery cells 11 are vertically arranged on the rack 2 side by side and are arranged in two rows; the connecting piece 10 is arranged on the frame 2, and a cavity is formed in the connecting piece 10; one end of the pressure nozzle 3 is opposite to the liquid injection port of the battery cell 11, and the other end of the pressure nozzle 3 is communicated with the connecting piece 10; the first pressure gauge 8 is arranged on the shell a and communicated with the closed cavity; the valve 4 is arranged on the connecting piece 10 and is communicated with the cavity of the connecting piece 10; the second pressure gauge 7 is arranged on the frame 2, one end of the pipeline 6 is communicated with the connecting piece 10, the other end of the pipeline 6 is connected with the second pressure gauge 7, and the second pressure gauge 7 is communicated with a cavity of the connecting piece 10 through the pipeline 6; the first air cylinder 5 is arranged on the frame 2 and connected with the connecting piece 10, and is used for driving the connecting piece 10 to move vertically; the second air cylinder 9 is arranged at the upper end of the shell a and is used for driving the shell a to move vertically; the first air inlet 12 is arranged on the shell a and is communicated with the closed cavity, and the first air inlet 12 is used for vacuumizing; the second gas inlet 13 is opened on the housing a and communicates with the closed cavity, and the second gas inlet 13 is used for inputting protective gas.

In a specific working process, the second air cylinder 9 drives the shell a to move downwards, after the shell a and the base b are matched with each other and form a closed cavity, the first air cylinder 5 drives the connecting piece 10 to move vertically downwards, so that the pressure nozzle 3 is attached to the liquid injection port of the battery core 11, the valve 4 is connected with the connecting piece 10 and the liquid injection port of the battery core 11 through the pipeline 6 and keeps in an open state, the closed cavity is vacuumized through the first air inlet 12, the first pressure gauge 8 detects the pressure of the closed cavity in real time in the process, after the closed cavity forms a vacuum environment, the liquid injection port of the battery core 11 is communicated with the vacuum environment of the closed cavity through the pressure nozzle 3, when the air pressure detected by the second pressure gauge 7 reaches a set negative pressure, the valve 4 is closed, then protective gas is filled into the closed cavity through the second air inlet 13, when the pressure value of the closed cavity reaches a specified value, and when the air pressure detected by the second pressure gauge 7 is released to the lowest negative pressure, the valve 4 is opened. After the above operation is completed, the cyclic operation is performed in the above order.

In some embodiments, further comprising a seal c mounted on the base b for sealing the housing a and the base b to form a closed cavity inside the pressure chamber 1.

In some embodiments, the cells 11 are mounted on the housing 2 in a plurality of rows.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (10)

1. The utility model provides a quick infiltration device of electric core which characterized in that includes: the device comprises a pressure chamber (1), a frame (2), a pressure nozzle (3), a first pressure gauge (8), a second pressure gauge (7) and a valve (4); the pressure chamber (1) is provided with a closed cavity, the frame (2) is arranged in the closed cavity, and the battery cell (11) is vertically arranged on the frame (2); the pressure nozzle (3) is arranged on the frame (2), one end of the pressure nozzle (3) is opposite to the liquid injection port of the battery cell (11), and the valve (4) is arranged at the other end of the pressure nozzle (3); the first pressure gauge (8) is arranged on the pressure chamber (1) and is communicated with the closed cavity; the second pressure gauge (7) is arranged on the frame (2) and is communicated with the pressure nozzle (3).

2. The rapid infiltration device of claim 1, further comprising a first air inlet (12), the first air inlet (12) being open on the pressure chamber (1) and in communication with the closed cavity, the first air inlet (12) being for evacuating.

3. The rapid infiltration device of claim 1, further comprising a second gas inlet (13), the second gas inlet (13) being open on the pressure chamber (1) and in communication with the closed cavity, the second gas inlet (13) being for the input of a shielding gas.

4. The quick infiltration device of claim 1, further comprising a first lifting member (5), wherein the first lifting member (5) is mounted on the frame (2) and connected to the pressing nozzle (3) for driving the pressing nozzle (3) to move vertically.

5. The quick infiltration device of a cell according to claim 1, further comprising a pipeline (6), wherein one end of the pipeline (6) is connected with the other end of the pressure nozzle (3), and the other end of the pipeline (6) is connected with the second pressure gauge (7).

6. The cell rapid infiltration device of claim 1, wherein the pressure nozzles (3) are provided in plurality.

7. The rapid infiltration device of claim 6, further comprising a connecting member (10), wherein the connecting member (10) has a cavity, and wherein the plurality of pressure nozzles (3) and the valve (4) are in communication with the cavity.

8. The cell rapid infiltration device of claim 1, wherein the pressure chamber (1) comprises a housing (a) and a base (b), the housing (a) being mounted on the base (b), the housing (a) and the base (b) forming a closed cavity.

9. The cell rapid infiltration device of claim 8, further comprising a second lifter (9), the second lifter (9) being mounted on the housing (a) for driving the housing (a) to move vertically.

10. The rapid infiltration device of claim 8, further comprising a seal (c) mounted on the base (b) for forming a sealed cavity between the housing (a) and the base (b).

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