Liquid injection equipment for nickel-metal hydride cylindrical battery with ultra-long cycle period

By combining the design of the base plate, linear guide rail, liquid testing components, and synchronous adjustment components, the problem of battery position displacement during the electrolyte injection process is solved, achieving precise and uniform electrolyte injection, and improving battery performance and lifespan.

CN223566840UActive Publication Date: 2025-11-18XINXIANG XINGTAI NEW ENERGY CO LTD
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Patent Information

Application Number
CN202422930641.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-18
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Existing electrolyte injection devices are prone to causing battery position displacement during the injection process, resulting in inaccurate electrolyte injection, which may lead to leakage, insufficient or excessive electrolyte, affecting battery performance and lifespan.

Method used

The system employs a combination design of a base plate, linear guide rail, liquid testing components, limit components, and synchronous adjustment components. Through the cooperation of a motor, worm gear, and rack and pinion, it achieves precise battery positioning and pressure monitoring during the liquid injection process, ensuring the uniformity and consistency of the liquid.

Benefits of technology

It achieves stable positioning of the battery during the electrolyte injection process, ensuring accurate injection of electrolyte, avoiding problems such as leakage, insufficient or excessive electrolyte, and improving battery performance and lifespan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides liquid injection equipment for a nickel-metal hydride cylindrical battery with an ultra-long cycle period, which relates to the technical field of batteries and comprises a bottom plate and a linear guide rail, the top end of the bottom plate is fixedly connected with a liquid testing component, the outer side of the liquid testing component is fixedly connected with a limiting component, and the outer side of the linear guide rail is fixedly connected with a synchronous adjusting component. The liquid testing assembly comprises a containing frame, the bottom end of the containing frame is fixedly connected to the bottom plate, and a rotating wheel is rotationally connected into the containing frame; by means of the design, automatic detection and adjustment of liquid balance in the battery body in the liquid injection process are achieved, and the battery performance problem caused by liquid imbalance is avoided; secondly, the battery body can be kept stable in the liquid injection process, so that the problems of electrolyte leakage, insufficient or excessive liquid injection amount and the like caused by battery displacement are avoided; and finally, due to the effect of synchronous adjustment in the liquid injection process, the problem of battery performance caused by excessive or insufficient liquid injection is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field especially relates to a kind of liquid injection equipment with super-long cycle nickel-hydrogen cylindrical battery. BACKGROUND

[0002] Due to its high energy density, good temperature adaptability and lower self-discharge rate, this battery type becomes the first choice of many high-performance application scenarios, especially in the field of new energy vehicles, super-long cycle nickel-hydrogen cylindrical battery not only improves the endurance of electric vehicle, but also is widely applied due to its environmental friendliness.

[0003] However, the existing part of liquid injection device first places the battery in the battery groove of the positioning plate, and then injects through the liquid injection hole on the battery cover plate, so that the position of the battery may be offset during the liquid injection process, which may cause the electrolyte to leak, the liquid injection amount to be insufficient or excessive, thereby affecting the performance and service life of the battery.

[0004] Therefore, the utility model provides a kind of liquid injection equipment with super-long cycle nickel-hydrogen cylindrical battery. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a kind of liquid injection equipment with super-long cycle nickel-hydrogen cylindrical battery.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of liquid injection equipment with super-long cycle nickel-hydrogen cylindrical battery, including bottom plate and linear guide rail, the top of the bottom plate is fixedly connected with liquid test component, the outer side of the liquid test component is fixedly connected with limiting component, the outer side of the linear guide rail is fixedly connected with synchronous adjusting component;

[0007] The liquid test component includes containing frame, the bottom of the containing frame is fixedly connected on the bottom plate, the inside of the containing frame is rotatably connected with rotating wheel, the outer side both ends of the rotating wheel are fixedly connected with connecting rod, the end of the connecting rod away from the rotating wheel is fixedly connected with support seat, the top of the containing frame is installed with pressure sensor, the top of the support seat is provided with battery body.

[0008] As a preferred embodiment, the limiting component includes motor one and worm gear, the outer side of the motor one is on the containing frame, the driving end of the motor one is fixedly connected with worm, the inside of the worm gear is fixedly connected with bidirectional screw rod, the end of the bidirectional screw rod away from the worm gear is threadedly connected with adjusting rod, the end of the adjusting rod away from the bidirectional screw rod is fixedly connected with limiting plate.

[0009] The technical effects of the above technical scheme are: ensuring the position stability of the battery during the liquid injection process, thereby improving the accuracy of the electrolyte injection, and the pressure change during the liquid injection process can be monitored, further ensuring the uniformity and consistency of the electrolyte injection.

[0010] As a preferred implementation, the synchronous adjusting assembly includes a second motor, both ends of the second motor are slidingly connected to the linear guide rail, and the driving end of the second motor is fixedly connected with a driving rod, both ends of the outer side of the driving rod are fixedly connected with gears.

[0011] The technical effects of the above technical scheme are: through synchronous adjustment with the limiting assembly, the liquid injection for different models of batteries is ensured.

[0012] As a preferred implementation, the synchronous adjusting assembly includes two mounting plates, one end of the two mounting plates is fixedly connected with a rack, the gear is meshed with the rack, and the bottom end of the mounting plate is provided with an injection pipe.

[0013] The technical effects of the above technical scheme are: the position of the injection pipe can be flexibly adjusted to adapt to batteries of different sizes and shapes.

[0014] As a preferred implementation, the limiting plate is engaged with the battery body.

[0015] The technical effects of the above technical scheme are: the precise positioning of the battery during the liquid injection process is realized, and displacement of the battery during the liquid injection process is prevented.

[0016] As a preferred implementation, the worm is meshed with the worm gear.

[0017] The technical effects of the above technical scheme are: ensuring stable power transmission.

[0018] Compared with the prior art, the advantages and positive effects of the utility model are:

[0019] The utility model discloses a bottom plate is used for fixing equipment, linear guide rail prepares guide synchronous adjusting assembly, and the cooperation of motor no. 1 and worm wheel, the position of battery body is controlled accurately, and liquid test assembly is ready, and pressure sensor monitors liquid injection pressure, and the cooperation of motor no. 2 and gear, synchronous control injection pipe, start liquid injection, and injection pipe transports liquid from liquid storage container to battery body, and pressure sensor monitors and controls liquid injection pressure simultaneously, and the accuracy of liquid injection is ensured, and the automatic detection and adjustment of the liquid balance in the battery body in the liquid injection process are realized, and the battery performance problem caused by the unbalanced liquid is avoided, and secondly, the battery body can keep stable in the liquid injection process, and the problems such as electrolyte leakage, insufficient or excessive liquid injection caused by battery displacement are avoided, and finally, the effect of synchronous regulation in the liquid injection process is avoided, and the battery performance problem caused by excessive or insufficient liquid injection is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A three-dimensional view of the liquid injection equipment for the nickel-hydrogen cylindrical battery with an ultralong cycle period is provided.

[0021] Figure 2 A synchronous adjusting assembly structure schematic view of the liquid injection equipment for the nickel-hydrogen cylindrical battery with an ultralong cycle period is provided.

[0022] Figure 3 A limiting assembly structure schematic view of the liquid injection equipment for the nickel-hydrogen cylindrical battery with an ultralong cycle period is provided.

[0023] Figure 4 A liquid test assembly structure schematic view of the liquid injection equipment for the nickel-hydrogen cylindrical battery with an ultralong cycle period is provided.

[0024] Legend:

[0025] 1, bottom plate;

[0026] 2, liquid test assembly;21, containing frame;22, runner;23, connecting rod;24, support seat;25, pressure sensor;26, battery body;

[0027] 3, limiting assembly;31, motor no. 1;32, worm;33, worm wheel;34, bidirectional screw;35, adjusting rod;36, limiting plate;

[0028] 4, synchronous adjusting assembly;41, motor no. 2;42, drive rod;43, gear;44, rack;45, mounting plate;46, injection pipe;

[0029] 5, linear guide rail. DETAILED DESCRIPTION

[0030] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Embodiment 1

[0031] As shown in Figure 1 - Figure 4 The present embodiment provides a technical solution: a liquid injection equipment for a super-long cycle nickel-hydrogen cylindrical battery, comprising a bottom plate 1 and a linear guide rail 5, the top end of the bottom plate 1 is fixedly connected with a liquid testing assembly 2, the outer side of the liquid testing assembly 2 is fixedly connected with a limiting assembly 3, and the outer side of the linear guide rail 5 is fixedly connected with a synchronous adjusting assembly 4.

[0032] The liquid testing assembly 2 comprises a containing frame 21, the bottom end of the containing frame 21 is fixedly connected to the bottom plate 1, a rotating wheel 22 is rotatably connected in the containing frame 21, both ends of the outer side of the rotating wheel 22 are fixedly connected with connecting rods 23, one end of the connecting rod 23 away from the rotating wheel 22 is fixedly connected with a support seat 24, a pressure sensor 25 is installed at the top end of the containing frame 21, and a battery body 26 is arranged at the top end of the support seat 24.

[0033] The bottom plate 1 serves as the base of the entire equipment, supports the structure of the entire equipment, ensures stability and fixity during operation, the linear guide rail 5 is used for guiding the movement track of the synchronous adjusting assembly 4, ensuring accuracy during the liquid injection process, the liquid testing assembly 2 is responsible for detecting and controlling the liquid state during the liquid injection process, ensuring the accuracy of battery liquid injection, the containing frame 21 is used for containing and fixing the internal rotating wheel 22 and other components, the rotating wheel 22 rotates in the containing frame 21, providing a balanced rotating effect, the connecting rod 23 is used for transmitting power or keeping the balance of the structure, the design of the support seat 24 enables one end to support the battery body 26, ensuring the stability of the battery during the liquid injection process, the pressure sensor 25 is installed at the top end of the containing frame 21, used for monitoring the pressure change during the liquid injection process, to control the accuracy of liquid injection and prevent over-injection, through the cooperation of the design of the support seat 24 and the pressure sensor 25, when the support seat 24 deviates, the pressure sensor 25 can issue an alarm, and the battery body 26 is the object of liquid injection. Embodiment 2

[0034] As shown in Figure 1 , Figure 3 and Figure 4As shown, the limiting assembly 3 includes motor one 31 and worm gear 33, the worm 32 and the worm gear 33 are meshing connection, the outside of motor one 31 is installed on the containing frame 21, the driving end of motor one 31 is fixedly connected with the worm 32, the inside of the worm gear 33 is fixedly connected with the bidirectional screw rod 34, the end of the bidirectional screw rod 34 away from the worm gear 33 is threadedly connected with the adjusting rod 35, the end of the adjusting rod 35 away from the bidirectional screw rod 34 is fixedly connected with the limiting plate 36, the limiting plate 36 is engaged with the battery body 26;

[0035] Motor one 31 is responsible for driving the movement of the whole limiting assembly 3, it drives the worm 32 by rotating, so as to realize the accurate control of the position of the battery body 26, the driving end of the motor one 31 is fixedly connected with the worm 32, which is the transmission component of the output power of the motor one 31, the worm 32 is engaged with the worm gear 33, which drives the worm gear 33 by rotating, the worm gear 33 is meshing connection with the worm 32, which receives the rotating power of the worm 32 and converts this rotating movement into linear motion, which is realized through the internally fixed bidirectional screw rod 34, the bidirectional screw rod 34 is fixedly connected inside the worm gear 33, which is the key component for converting the rotating movement of the worm gear 33 into linear motion, the bidirectional screw rod 34 is threadedly connected with the adjusting rod 35, realizing the telescopic control of the adjusting rod 35, the limiting plate 36 limits the movement of the battery body 26, ensuring that it maintains the correct position during the liquid injection process;

[0036] As shown in the figure, Figure 1 With Figure 2 As shown, the synchronous adjusting assembly 4 includes motor two 41, the two ends of motor two 41 are slidingly connected on the linear guide rail 5, the driving end of motor two 41 is fixedly connected with the driving rod 42, the outer sides of the two ends of the driving rod 42 are fixedly connected with the gear 43, the synchronous adjusting assembly 4 includes the mounting plate 45, the mounting plate 45 is provided with two, the proximal end of the two mounting plates 45 is fixedly connected with the rack 44, the gear 43 is meshing connection with the rack 44, the bottom end of the mounting plate 45 is installed with the injection pipe 46;

[0037] Motor two 41 is responsible for driving the movement of the synchronous adjusting assembly 4, it drives the driving rod 42 by rotating, so as to realize the control of the whole synchronous adjusting assembly 4, the driving rod 42 is fixedly connected at the driving end of motor two 41, which is the transmission component of the output power of motor two 41, the synchronous adjustment is realized through the meshing of the gear 43 and the rack 44, the gear 43 is meshing with the rack 44, so that the rotating movement of the gear 43 is converted into linear motion through the rack 44, thereby realizing the accurate control of the synchronous adjusting assembly 4, the mounting plate 45 is provided with two, for fixing and supporting the rack 44 and the injection pipe 46, the proximal end of the mounting plate 45 is fixedly connected with the rack 44, ensuring that the rack 44 can move synchronously, the injection pipe 46 is installed at the bottom end of the mounting plate 45, which is the channel for the flow of liquid during the liquid injection process, the injection pipe 46 transports the liquid from the liquid storage container to the battery body 26, realizing the liquid injection operation.

[0038] Working principle:

[0039] As Figure 1 - Figure 4 As shown: in use: motor 31 drive worm 32 rotation, worm 32 and worm wheel 33 meshing, through the worm wheel 33 drive bidirectional screw rod 34 rotation. Bidirectional screw rod 34 will be converted into linear motion, drive adjusting rod 35 telescopic, thereby adjusting the position of the limit plate 36, limit plate 36 with the battery body 26 is engaged, by adjusting the position of the limit plate 36, ensure that the battery does not occur during the liquid injection displacement, keep in the predetermined correct position;

[0040] At the same time, motor 41 drive drive rod 42 rotation, drive rod 42 both ends connecting gear 43. Gear 43 and rack 44 meshing, through the linear motion of the rack 44 to adjust the position of the mounting plate 45, the bottom end of the mounting plate 45 fixed injection pipe 46, for the liquid from the liquid container to the battery body 26. Under the control of the synchronous adjustment assembly 4, injection pipe 46 can accurately adjust the rate and direction of the liquid into the battery body 26, ensure the smooth and accurate of the liquid injection process;

[0041] After the liquid injection, the top of the support seat 24 supports the battery body 26, ensure that it remains in a stable position during the liquid injection, when the liquid in the battery body 26 is not balanced, will be under the action of gravity, so that the rotating wheel 22 rotation, drive two connecting rod 23 left and right tilt, the support seat 24 will move to the bottom end at this time, when the support seat 24 and pressure sensor 25 contact, will send a prompt to the system, early warning, then through the injection pipe 46 to the other end of the battery body 26 for liquid injection supplement, in the balance when the completion of the liquid injection.

[0042] The above, only the preferred embodiment of the present application, not to other forms of the present application is limited, any skilled in the art of technical personnel may be disclosed by the above technical content to change or modification of equivalent changes of equivalent embodiments applied to other fields, but any of the above embodiments, not departing from the technical scheme of the present application, according to the technical essence of the present application to the above examples of any simple modification, equivalent changes and modification, still belongs to the present application technical scheme of the protection scope.

Claims

1. A kind of injection equipment for nickel-hydrogen cylindrical battery with super-long cycle period, including bottom plate (1) and linear guide (5), it is characterized in that, The top end of the bottom plate (1) is fixedly connected with a liquid testing assembly (2), the outer side of the liquid testing assembly (2) is fixedly connected with a limiting assembly (3), and the outer side of the linear guide rail (5) is fixedly connected with a synchronous adjusting assembly (4). The liquid testing assembly (2) comprises a containing frame (21), the bottom end of the containing frame (21) is fixedly connected on the bottom plate (1), the inside of the containing frame (21) is rotatably connected with a rotating wheel (22), the outer side of both ends of the rotating wheel (22) is fixedly connected with a connecting rod (23), the end, away from the rotating wheel (22), of the connecting rod (23) is fixedly connected with a supporting seat (24), the top end of the containing frame (21) is installed with a pressure sensor (25), and the top end of the supporting seat (24) is provided with a battery body (26).

2. The liquid injection equipment for the nickel-hydrogen cylindrical battery with super-long cycle life according to claim 1, characterized in that: The limiting assembly (3) comprises a motor one (31) and a worm wheel (33), the outer side of the motor one (31) is arranged on the containing frame (21), the driving end of the motor one (31) is fixedly connected with a worm (32), the inside of the worm wheel (33) is fixedly connected with a bidirectional screw rod (34), the end, away from the worm wheel (33), of the bidirectional screw rod (34) is threadedly connected with an adjusting rod (35), and the end, away from the bidirectional screw rod (34), of the adjusting rod (35) is fixedly connected with a limiting plate (36).

3. The liquid injection equipment for the nickel-hydrogen cylindrical battery with super-long cycle life according to claim 1, characterized in that: The synchronous adjusting assembly (4) comprises a motor two (41), the two ends of the motor two (41) are slidably connected on the linear guide rail (5), the driving end of the motor two (41) is fixedly connected with a driving rod (42), and the outer side of both ends of the driving rod (42) is fixedly connected with a gear (43).

4. The liquid injection equipment for the nickel-hydrogen cylindrical battery with super-long cycle life according to claim 3, characterized in that: The synchronous adjusting assembly (4) comprises a mounting plate (45), the mounting plate (45) is provided with two, the proximal end of the two mounting plates (45) is fixedly connected with a rack (44), the gear (43) and the rack (44) are in meshing connection, and the bottom end of the mounting plate (45) is installed with an injection pipe (46).

5. The liquid injection equipment for the nickel-hydrogen cylindrical battery with super-long cycle life according to claim 2, characterized in that: The limiting plate (36) is clamped with the battery body (26).

6. The liquid injection equipment for the nickel-hydrogen cylindrical battery with super-long cycle life according to claim 2, characterized in that: The worm (32) and the worm wheel (33) are in meshing connection.