Liquid injection system for battery

Abstract

The utility model discloses a liquid injection system for a battery. The liquid injection system comprises a rack; the base plate is movably arranged on the rack, a clamp is arranged at the top end of the base plate, and a containing cavity suitable for fixing a battery is formed in the clamp; the liquid injection assembly is arranged on the rack and located at the top end of the clamp, a liquid injection opening which is open towards the containing cavity is formed in the liquid injection assembly, and the liquid injection assembly selectively injects liquid into the battery through the liquid injection opening; and the detection piece is arranged on the substrate and is suitable for detecting the liquid injection amount of the liquid injection assembly in real time. According to the liquid injection system for the battery provided by the embodiment of the invention, the liquid injection process can be conveniently recorded in real time, and the accuracy and integrity of a test are ensured.

Description

Technical Field

[0001] The present application relates to the field of batteries, and particularly to a liquid injection system for batteries. Background Art

[0002] In related technologies, lithium batteries are a type of battery that uses non-aqueous electrolyte solutions and are widely used in various fields such as mobile devices, wearable devices, and energy storage systems. Many process R & D and product R & D require the development and verification of a small number of batteries. In the existing lithium battery development and verification, manual liquid injection is used. Manual liquid injection is prone to splashing and causing harm to operators, and it is impossible to monitor the liquid injection process of each battery in real time per second, which is not convenient for data verification. Utility Model Content

[0003] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, an object of the present application is to provide a liquid injection system for batteries, which can facilitate the real-time recording of the liquid injection process and ensure the accuracy and integrity of the test.

[0004] The liquid injection system for batteries according to an embodiment of the present application includes: a bench; a substrate movably disposed on the bench, a fixture provided at the top end of the substrate, and a receiving cavity adapted to fix a battery is formed in the fixture; a liquid injection assembly disposed on the bench and located at the top end of the fixture, the liquid injection assembly having a liquid injection port facing the receiving cavity, and the liquid injection assembly selectively injects liquid into the battery through the liquid injection port; a detection member disposed on the substrate and adapted to detect the liquid injection volume of the liquid injection assembly in real time.

[0005] In the liquid injection system for batteries according to an embodiment of the present application, the liquid injection system is provided with a fixture for fixing the battery and a liquid injection assembly disposed opposite to the fixture. The liquid injection assembly can inject liquid into the battery through the liquid injection port. The liquid injection system is further provided with a detection member corresponding to the liquid injection assembly, and the detection member can detect the liquid injection volume in real time. Therefore, the liquid injection system can avoid the harm caused by splashing during manual liquid injection, ensure the safety of operators, and the liquid injection system can also facilitate the real-time recording of the liquid injection process, ensure the accuracy and integrity of the test, and is of great help to the test development record.

[0006] In some embodiments of the present application, the liquid injection assembly includes: a liquid storage member disposed on the bench and located at the top end of the fixture, and a liquid storage cavity is formed in the liquid storage member; a liquid injection cup body disposed on the liquid storage member and communicating with the liquid storage cavity, the liquid injection cup body extending toward the receiving cavity, and the free end of the liquid injection cup body forms the liquid injection port.

[0007] In some embodiments of the present application, a plurality of the jigs are configured to be spaced apart on the substrate, and a plurality of the liquid injection cup bodies are configured to be provided corresponding to the plurality of jigs one by one.

[0008] In some embodiments of the present application, the liquid injection system further includes: a light emitting member disposed on the substrate, the light emitting member having a light emitting end facing the liquid injection cup body, and the light emitting member is selectively configured to irradiate the liquid injection cup body through the light emitting end so that the detecting member can detect the liquid injection amount of the liquid injection assembly.

[0009] In some embodiments of the present application, the liquid injection cup body is located between the detecting member and the light emitting member.

[0010] In some embodiments of the present application, the liquid injection cup body is configured with a light-transmitting material.

[0011] In some embodiments of the present application, a first sliding portion extending in the length direction and / or the width direction is formed on the bench, and a second sliding portion slidably engaged with the first sliding portion is formed on the substrate.

[0012] In some embodiments of the present application, the first sliding portion is configured as one of a slider and a slide rail, and the second sliding portion is configured as the other of the slider and the slide rail.

[0013] In some embodiments of the present application, a lifting cylinder is provided on the bottom wall of the accommodating cavity, and the lifting cylinder is selectively movable in the height direction to be adapted to push the battery out of the accommodating cavity.

[0014] In some embodiments of the present application, the liquid injection system further includes: a residual liquid collecting member disposed on the bench, and the residual liquid collecting member is adapted to move between the liquid injection cup body and the jig after the liquid injection assembly completes liquid injection to collect the residual liquid.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present application. Description of the Drawings

[0016] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 is a schematic structural diagram of a liquid injection system for a battery according to an embodiment of the present application;

[0018] Figure 2 is Figure 1 a side view schematic diagram of

[0019] Reference numerals:

[0020] 10. Liquid injection system;

[0021] 11. Substrate; 111. Fixture; 112. Accommodating cavity;

[0022] 12. Liquid injection assembly; 121. Liquid storage member; 122. Liquid injection cup body; 13. Detection member; 14. Light emitting member. Detailed implementation manners

[0023] The embodiments of the present application will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described by referring to the drawings below are exemplary and are only used to explain the present application and should not be construed as a limitation to the present application.

[0024] Below, reference is made to Figure 1 - Figure 2 Describe a liquid injection system 10 for a battery according to an embodiment of the present application. The liquid injection system 10 includes a bench, a substrate 11, a liquid injection assembly 12, and a detection member 13. The substrate 11 is movably arranged on the bench. A fixture 111 is provided at the top of the substrate 11. An accommodating cavity 112 adapted to fix the battery is formed in the fixture 111. The liquid injection assembly 12 is arranged on the bench and is located at the top of the fixture 111. The liquid injection assembly 12 forms a liquid injection port that opens towards the accommodating cavity 112. The liquid injection assembly 12 can selectively inject liquid into the battery through the liquid injection port. The detection member 13 is arranged on the substrate 11 and is adapted to detect the liquid injection volume of the liquid injection assembly 12 in real time.

[0025] Currently, lithium batteries are a type of battery that uses non-aqueous electrolyte solutions and are widely used in various fields such as mobile devices, wearable devices, and energy storage systems. Many process R & D and product R & D require the development and verification of a small number of batteries. When the existing lithium batteries are developed and verified, manual liquid injection is used. Manual liquid injection is prone to splashing and causing harm to the operator, and it is impossible to monitor the liquid injection process of the battery every second in real time, which is not convenient for data verification.

[0026] Such as Figure 1 and Figure 2As shown, specifically, the liquid injection system 10 may include a bench and a substrate 11. The substrate 11 may be disposed on the bench, and the substrate 11 may be movable on the bench. A fixture 111 may be provided at the top end of the substrate 11. An accommodation cavity 112 may be formed inside the fixture 111. The accommodation cavity 112 may be used to accommodate the battery and position the battery to prevent the battery from detaching from the fixture 111. In some embodiments, the fixture 111 may reduce the size of the accommodation cavity 112 by changing its overall external structure, thereby fixing the battery within the fixture 111. It can be understood that changing the overall external structure may involve the fixture 111 changing its shape by moving its side wall or bottom wall.

[0027] Alternatively, a filling member may be provided inside the fixture 111. The filling member may occupy the space of the accommodation cavity 112, so that the accommodation cavity 112 can perfectly accommodate the battery, thereby fixing the battery to the fixture 111. In a specific embodiment, a PE block may be provided inside the fixture 111. The PE block may be made of polyethylene board material. By adjusting the PE block inside the fixture 111, the internal dimensions of the fixture 111 can be adjusted, enabling the fixture 111 to be applied to batteries of different sizes. It should be noted that batteries of different models have various shapes, and the fixture 111 can be adapted to batteries of various specifications by adjusting the internal PE block. Since the fixture 111 is generally made of metal material, the PE block can also space the battery from the inner wall of the fixture 111, preventing the battery from being worn during the liquid injection process. Further, a lifting cylinder may be provided on the bottom wall of the accommodation cavity 112. The lifting cylinder can selectively move in the height direction to push the battery out of the accommodation cavity 112, facilitating the removal of the battery after the liquid injection of the battery is completed.

[0028] A liquid injection assembly 12 may also be provided on the bench. The liquid injection assembly 12 may be located at the top end of the fixture 111, and the liquid injection assembly 12 may form a liquid injection port that opens towards the accommodation cavity 112. The liquid injection assembly 12 can inject liquid into the battery through the liquid injection port. It should be noted that after the operator places the battery in the fixture 111, the substrate 11 can move on the bench to align the fixture 111 with the liquid injection assembly 12. At this time, the liquid injection assembly 12 can inject liquid into the battery. A detection member 13 may also be provided on the substrate 11. The detection member 13 can detect the liquid injection volume of the liquid injection assembly 12 in real time and record the liquid injection process, ensuring the accuracy and integrity of the test. In some embodiments, the detection member 13 may be configured as a vision camera, and the detection member 13 can take pictures and record at regular intervals.

[0029] Briefly, the liquid injection system 10 of the embodiments of the present application is provided with a fixture 111 for fixing the battery and a liquid injection assembly 12 disposed opposite to the fixture 111. The liquid injection assembly 12 can inject liquid into the battery through the liquid injection port. The liquid injection system 10 is further provided with a detection member 13 corresponding to the liquid injection assembly 12, and the detection member 13 can detect the liquid injection volume in real time. Therefore, the liquid injection system 10 can avoid the harm caused by manual liquid injection sputtering, ensure the safety of the operator, and the liquid injection system 10 can also facilitate the real-time recording of the liquid injection process, ensure the accuracy and integrity of the test, and is of great help to the test development record.

[0030] As Figure 1 and Figure 2 shown, in some embodiments of the present application, the liquid injection assembly 12 may include a liquid storage member 121 and a liquid injection cup body 122. The liquid storage member 121 may be disposed on the bench, and the liquid storage member 121 may be located at the top of the fixture 111. A liquid storage cavity may be formed in the liquid storage member 121, and the liquid storage cavity may be used to store the electrolyte. The liquid injection cup body 122 may be disposed on the liquid storage member 121 and extend toward the accommodation cavity 112. The liquid injection cup body 122 may be configured as a hollow cylindrical structure. A diversion channel is formed in the liquid injection cup body 122, and the diversion channel can communicate with the liquid storage cavity. A liquid injection port communicating with the diversion channel is formed at the free end of the liquid injection cup body 122. The electrolyte in the liquid storage member 121 can be guided to the battery through the diversion channel.

[0031] As Figure 1 shown, in some embodiments of the present application, a plurality of fixtures 111 may be configured. The plurality of fixtures 111 may be spaced apart on the substrate 11. The liquid injection cup bodies 122 may also be configured as a plurality. The plurality of liquid injection cup bodies 122 can be disposed in one-to-one correspondence with the plurality of fixtures 111. Using the plurality of fixtures 111 and the plurality of liquid injection cup bodies 122 can enable the liquid injection system 10 to inject liquid into a plurality of batteries simultaneously, improve the liquid injection efficiency of the liquid injection system 10, and can also record a plurality of batteries simultaneously, ensuring the accuracy and integrity of the test.

[0032] As Figure 1 and Figure 2As shown, in some embodiments of the present application, the liquid injection system 10 may further include a light-emitting member 14. The light-emitting member 14 may be disposed on the substrate 11, and the light-emitting member 14 may have a light-emitting end facing the liquid injection cup body 122. The light-emitting member 14 can irradiate the liquid injection cup body 122 through the light-emitting end, making it easier for the detection member 13 to detect the liquid injection volume of the liquid injection assembly 12. Specifically, the liquid injection cup body 122 may be located between the detection member 13 and the light-emitting member 14, so that the light-emitting member 14 directly irradiates the liquid injection cup body 122, and the detection member 13 can more directly detect the liquid injection volume of the liquid injection assembly 12. In some embodiments, the liquid injection cup body 122 is constructed of a light-transmitting material, and scales may be provided on the liquid injection cup body 122 for easy observation and recording by the experimenter.

[0033] In some embodiments of the present application, a first sliding portion may be formed on the bench. The first sliding portion may extend in the length direction, or the first sliding portion may extend in the width direction, or the first sliding portion may be constructed as a multi-segment structure, and each segment may extend in the length direction or the width direction. The specific arrangement form of the first sliding portion may be set according to actual needs. It should be noted that the length direction referred to in the present application is the length direction of the substrate 11, the width direction is the width direction of the substrate 11, and the height direction is the height direction of the substrate 11. A second sliding portion may be formed on the substrate 11, and the second sliding portion may be slidably engaged with the first sliding portion. Among them, the first sliding portion is constructed as one of a slider and a slide rail, and the second sliding portion is constructed as the other of a slider and a slide rail. Specifically, the first sliding portion may be constructed as a slide rail, and the second sliding portion may be constructed as a slider.

[0034] In some embodiments of the present application, the liquid injection system 10 may further include a residual liquid collecting member. The residual liquid collecting member may be disposed on the bench. The residual liquid collecting member can move between the liquid injection cup body 122 and the fixture 111 after the liquid injection assembly 12 completes the liquid injection, and collect the residual electrolyte inside the liquid injection cup body 122 to prevent the electrolyte from flowing onto the substrate 11 or outside the fixture 111 and affecting the cleanliness of the test bench.

[0035] In a specific embodiment of the present application, when the liquid injection system 10 operates, the operator first manually places the battery into the fixture 111. The lifting cylinder in the accommodation cavity 112 descends, so that the battery is received in the accommodation cavity 112. The substrate 11 moves on the bench until the liquid injection assembly 12 is directly opposite to the fixture 111 in the height direction, that is, the liquid injection port is directly opposite to the battery. After reaching the position, the residual liquid collecting member retracts, the liquid injection assembly 12 injects liquid into the battery, the detection member 13 starts to record the liquid injection process at the same time. After the liquid injection is completed, the vision ends and saves. The residual liquid collecting member moves between the liquid injection cup body 122 and the fixture 111 and collects the residual electrolyte inside the liquid injection cup body 122. After the electrolyte is collected, the substrate 11 moves out of the test position on the bench, and the lifting cylinder in the accommodation cavity 112 rises and ejects the battery, completing the liquid injection of the battery and data recording.

[0036] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0037] In the description of the present application, the "first feature" and "second feature" may include one or more of such features.

[0038] In the description of the present application, the meaning of "a plurality" is two or more.

[0039] In the description of the present application, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through additional features therebetween.

[0040] In the description of the present application, the first feature being "above", "over" and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature.

[0041] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A liquid injection system for a battery, characterized in that, Comprising: Bench; Substrate, the substrate is movably arranged on the bench, a fixture is arranged at the top end of the substrate, and a receiving cavity adapted to fix the battery is formed in the fixture; Liquid injection assembly, the liquid injection assembly is arranged on the bench and located at the top end of the fixture, the liquid injection assembly is formed with a liquid injection port facing the receiving cavity, and the liquid injection assembly can selectively inject liquid into the battery through the liquid injection port; Detection piece, the detection piece is arranged on the substrate and is adapted to detect the liquid injection amount of the liquid injection assembly in real time.

2. The liquid injection system for a battery according to claim 1, wherein, The liquid injection assembly includes: Liquid storage piece, the liquid storage piece is arranged on the bench and located at the top end of the fixture, and a liquid storage cavity is formed in the liquid storage piece; Liquid injection cup body, the liquid injection cup body is arranged on the liquid storage piece and communicated with the liquid storage cavity, the liquid injection cup body extends towards the receiving cavity, and the free end of the liquid injection cup body forms the liquid injection port.

3. The liquid injection system for a battery according to claim 2, wherein, The fixtures are configured to be multiple spaced apart on the substrate, and the liquid injection cup bodies are configured to be multiple corresponding to the multiple fixtures one by one.

4. The liquid injection system for a battery according to claim 2, characterized in that, Further comprising: Light emitting piece, the light emitting piece is arranged on the substrate, the light emitting piece has a light emitting end facing the liquid injection cup body, and the light emitting piece can selectively irradiate the liquid injection cup body through the light emitting end so that the detection piece can detect the liquid injection amount of the liquid injection assembly.

5. The liquid injection system for a battery according to claim 4, characterized in that, The liquid injection cup body is located between the detection piece and the light emitting piece.

6. The liquid injection system for a battery according to claim 4, characterized in that, The liquid injection cup body is configured of a light-transmitting material.

7. The liquid injection system for a battery according to claim 1, characterized in that, A first sliding portion extending in the length direction and / or width direction is formed on the bench, and a second sliding portion slidably engaged with the first sliding portion is formed on the substrate.

8. The liquid injection system for a battery according to claim 7, wherein The first sliding portion is configured to be one of a slider and a slide rail, and the second sliding portion is configured to be the other of the slider and the slide rail.

9. The liquid injection system for a battery according to claim 1, characterized in that, A jacking cylinder is arranged on the bottom wall of the receiving cavity, and the jacking cylinder can selectively move in the height direction to be adapted to push the battery out of the receiving cavity.

10. The liquid injection system for a battery according to claim 2, characterized in that, Further comprising: Residual liquid collecting piece, the residual liquid collecting piece is arranged on the bench, and the residual liquid collecting piece is adapted to move between the liquid injection cup body and the fixture after the liquid injection assembly finishes liquid injection to collect residual liquid.

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