Lithium battery health state detection tool
By designing a lithium battery health status testing fixture and adopting an electric push rod and fan filter plate system, the problems of position movement and poor heat dissipation in lithium battery testing were solved, achieving accurate measurement and long-term stable operation of the equipment.
Patent Information
- Application Number
- CN202423209463.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-25
AI Technical Summary
In the current lithium battery testing process, the contact position and pressure distribution between the extrusion head and the battery are uneven, resulting in large measurement errors and the battery being prone to displacement.
A lithium battery health status testing fixture was designed, including a testing box, a support block, a sleeve rod, a sliding rod, a clamping plate, and a pressing assembly. The fixture uses an electric push rod to position and clamp the lithium battery, and is equipped with a fan and a filter plate system for heat dissipation and cleaning.
It achieves stable positioning and clamping of lithium batteries, reduces measurement errors, and extends equipment life and reduces maintenance costs through an effective heat dissipation and cleaning system.
Smart Images
Figure CN223664416U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lithium battery detection technical field especially relates to lithium battery's health state detection frock. BACKGROUND
[0002] Lithium battery is a kind of by lithium metal or lithium alloy as negative electrode material, using non-aqueous electrolyte solution battery, is widely used in smart phone, tablet computer, notebook computer, digital camera and other equipment, provides durable stable power support for these equipment, and lithium battery's health state detection frock is a kind of equipment specially used for detecting lithium battery health state.
[0003] By electric push rod, a certain extrusion force is applied to lithium battery, simulates the extrusion situation of battery in actual use process, such as collision, extrusion etc. in transportation, installation, use process, observes the appearance change of battery in extrusion process and after extrusion, such as whether there is bulge, smoke, fire, explosion etc. phenomenon, if battery can keep stable under the specified extrusion force, does not occur above dangerous situation, it shows that the shell strength of battery, internal structure design and safety protection measure etc. have certain reliability.
[0004] In prior art, in the extrusion detection process of lithium battery, battery is prone to position movement, so that the contact position and pressure distribution of extrusion head and battery are uneven, thereby affecting the accurate measurement of real compression resistance of battery, resulting in that the measurement result appears large error, for this, lithium battery's health state detection frock is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above insufficient, the utility model provides lithium battery's health state detection frock, aims at improving the uneven problem of contact position and pressure distribution of extrusion head and battery in prior art, battery is prone to position movement.
[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:
[0007] The application discloses a health state detection tool for lithium batteries, which comprises a detection box, a cabinet door fixedly connected to the front end of the detection box, an observation window fixedly connected to the inside of the cabinet door, a pressing assembly fixedly connected to the top end of the detection box, support blocks fixedly connected to the inside of the detection box, sleeve rods fixedly connected to the inside of the support blocks, sliding rods slidingly connected to the inside of the sleeve rods, stop blocks fixedly connected to the outside of the sliding rods, springs fixedly connected to the inside of the sleeve rods, clamping plates fixedly connected to the inside of the sliding rods, gaskets fixedly connected to the outside of the clamping plates, placement frames fixedly connected to the outside of the support blocks, guide grooves formed in the inside of the placement frames, and guide blocks fixedly connected to the outside of the clamping plates.
[0008] As a further description of the above technical solution:
[0009] The pressing assembly comprises a connecting block, the bottom end of the connecting block is fixedly connected to the top end of the detection box, an electric push rod is fixedly connected to the inside of the connecting block, and a pressing plate is fixedly connected to the driving end of the electric push rod.
[0010] As a further description of the above technical solution:
[0011] Two ventilation plates are fixedly connected to the inside of the rear end of the detection box, two fans are fixedly connected to the inside of the rear end of the detection box, connecting rods are fixedly connected to the rear end of the two fans, a vertical rod is fixedly connected to the inside of the connecting rod, a connecting plate is fixedly connected to the outside of the vertical rod, a plurality of springs are fixedly connected to the outside of the connecting plate, a scraper is fixedly connected to the outside of the plurality of springs, and two filter plates are fixedly connected to the outside of the rear end of the detection box.
[0012] As a further description of the above technical solution:
[0013] The outside of the stop block is slidingly connected to the inside of the sleeve rod, and the other end of the spring is fixedly connected to the outside of the stop block.
[0014] As a further description of the above technical solution:
[0015] The outside of the clamping plate is slidingly connected to the inside of the placement frame, and the outside of the guide block is slidingly connected to the inside of the guide groove.
[0016] As a further description of the above technical solution:
[0017] The outside of the placement frame is fixedly connected to the inside of the bottom end of the detection box, and the outside of the gasket is slidingly connected to the inside of the placement frame.
[0018] As a further description of the above technical solutions:
[0019] The outer part of the extrusion plate is slidably connected to the inside of the detection box, and the outer part of the extrusion plate is slidably connected to the inside of the placing frame.
[0020] As a further description of the above technical solutions:
[0021] The outer part of the connecting rod is rotatably connected to the inside of the filter plate, and the outer part of the scraper is in contact with the outer part of the filter plate.
[0022] The utility model has the advantages of the following:
[0023] 1. In the utility model, when the lithium battery is put into the placing frame, the clamping plate is pushed to move to both sides and compress spring one until the spring elasticity and the extrusion force are balanced, and then the lithium battery is positioned and clamped, the battery can be automatically adjusted and fixed according to the actual size and shape of the lithium battery, the displacement of the battery during extrusion detection is effectively eliminated, the measurement error is greatly reduced, and reliable basis is provided for lithium battery quality evaluation.
[0024] 2. In the utility model, the power generated by the rotation of the fan drives the connecting rod, the vertical rod, the connecting plate, spring two and the scraper to work cooperatively, so that the scraper can remove dust and impurities on the surface of the filter plate, which not only maintains the good ventilation of the filter plate, ensures the long-term stable operation of the heat dissipation system, reduces the equipment failure and detection interruption caused by poor heat dissipation, but also prolongs the service life of the filter plate and reduces the maintenance cost and frequency of the tooling. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a three-dimensional schematic view of the health state detection tooling of the lithium battery provided by the utility model;
[0026] Figure 2 It is a detection box structure schematic view of the health state detection tooling of the lithium battery provided by the utility model;
[0027] Figure 3 It is a filter plate structure schematic view of the health state detection tooling of the lithium battery provided by the utility model;
[0028] Figure 4 It is Figure 2 An enlarged view of position A in Fig. 1;
[0029] Figure 5 It is Figure 3 An enlarged view of position B in Fig. 1.
[0030] LEGEND:
[0031] 1, detection box; 2, cabinet door; 3, observation window; 4, adapter block; 5, electric push rod; 6, extrusion plate; 7, support block; 8, sleeve rod; 9, sliding rod; 10, stop block; 11, spring one; 12, clamping plate; 13, gasket; 14, placement frame; 15, guide groove; 16, guide block; 17, ventilation plate; 18, fan; 19, adapter rod; 20, vertical rod; 21, adapter plate; 22, spring two; 23, scraper; 24, filter plate. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0033] Reference Figure 1 , Figure 2 , Figure 4The utility model provides a kind of embodiment: lithium battery health state detection tool, including detection box 1, provide reliable installation and protection space, the front end of detection box 1 is fixedly connected with cabinet door 2, cabinet door 2 is convenient for operator to operate and maintain inside detection box 1, the inside fixedly connected with observation window 3 of cabinet door 2, observation window 3 makes operator can clearly, intuitively observe the real-time state change of lithium battery inside detection box 1 through observation window 3 during detection process, including the appearance deformation condition of lithium battery when extruding operation, whether there is smoke or heating and so on abnormal phenomenon, provide convenient visual monitoring approach for detection work, the top of detection box 1 is fixedly connected with extrusion assembly for detection, extrusion assembly includes link block 4, provides the basic support platform for subsequent electric push rod 5, the bottom end of link block 4 is fixedly connected in the top of detection box 1, the inside fixedly connected with electric push rod 5 of link block 4, electric push rod 5 is the power core of entire extrusion action, can control the moving stroke and speed of extrusion plate 6, the driving end of electric push rod 5 is fixedly connected with extrusion plate 6, the inside of extrusion plate 6 is slidably connected in detection box 1, the inside left and right sides of detection box 1 are fixedly connected with support block 7, the inside similar side of support block 7 is fixedly connected with sleeve rod 8, sleeve rod 8 is the guide and limit main body of sliding rod 9, ensure that sliding rod 9 can along the axial direction of sleeve rod 8 stable, accurate reciprocating sliding movement, the inside sliding connection of sleeve rod 8 has sliding rod 9, the outside similar side of sliding rod 9 is fixedly connected with stop block 10, the main function of stop block 10 is accurately limit the sliding range of sliding rod 9, prevent sliding rod 9 from over-sliding out of the effective stroke range of sleeve rod 8 due to the elastic force of spring one 11, the outside of stop block 10 is slidably connected in the inside of sleeve rod 8, the inside fixedly connected with spring one 11 of sleeve rod 8, the other end of spring one 11 is fixedly connected in the outside similar side of stop block 10, the similar side of sliding rod 9 is fixedly connected with clamping plate 12, when lithium battery is placed in placing frame 14, along with the gradual putting of lithium battery, lithium battery will contact with clamping plate 12 and carry out the clamping positioning of lithium battery, the outside similar side of clamping plate 12 is fixedly connected with gasket 13, can effectively increase the friction force with the surface of lithium battery, ensure that lithium battery does not displace or shake during detection process, and can play good buffering protection effect, avoid the scratch, indentation and other damage to the shell of lithium battery due to mechanical contact during clamping process, to realize the safe, stable and accurate clamping positioning of lithium battery, the outside similar side of support block 7 is fixedly connected with placing frame 14, placing frame 14 provides special placement area for lithium battery, the outside of extrusion plate 6 is slidably connected in the inside of placing frame 14, extrusion plate 6 can accurately, effectively extrude lithium battery in the limited range of placing frame 14, the outside of placing frame 14 is fixedly connected in the inside bottom end of detection box 1, the outside of clamping plate 12 is slidably connected in the inside of placing frame 14, the outside of gasket 13 is slidably connected in the inside of placing frame 14,The inside of the placing frame 14 is provided with a guide groove 15, the outside of the guide block 16 is slidably connected in the inside of the guide groove 15, the outside of the clamping plate 12 is fixedly connected with the guide block 16 on the front and back sides, and the cooperation of the guide groove 15 and the guide block 16 further improves the guiding accuracy and stability of the clamping plate 12 during movement.
[0034] Referring to Figure 1 , Figure 3 , Figure 5 The inside of the detection box 1 is fixedly connected with two ventilation plates 17 at the rear end, the ventilation plate 17 is designed in a porous structure, effectively promotes the circulation of air in the inside of the detection box 1, and provides a good ventilation basis for heat dissipation work, the inside of the detection box 1 is fixedly connected with two fans 18 at the rear end, when the fan 18 is started during detection, can quickly drive the air in the inside of the detection box 1 to form a strong air circulation, the rear end of the two fans 18 is fixedly connected with a connecting rod 19, when the fan 18 is started and begins to rotate, the rotation of the fan 18 drives the connecting rod 19 to rotate synchronously, the connecting rod 19 rotates in the inside of the filter plate 24 along a preset rotation track, the inside of the connecting rod 19 is fixedly connected with a vertical rod 20, one side of the outside of the vertical rod 20 is fixedly connected with a connecting plate 21, one side of the outside of the connecting plate 21 is fixedly connected with a plurality of springs 22, the outside of the plurality of springs 22 is fixedly connected with a scraper 23, the outside of the detection box 1 is fixedly connected with two filter plates 24 at the rear end, the filter plate 24 can effectively filter out dust, impurities and other small particles in the outside air, prevent them from entering the inside of the detection box 1 to pollute or damage the lithium battery and the detection equipment, the outside of the connecting rod 19 is rotatably connected in the inside of the filter plate 24, the outside of the scraper 23 is in contact with the outside of the filter plate 24, in the process of rotation of the scraper 23, the scraper 23 slides along the surface of the filter plate 24 outside the filter plate 24, so as to scrape off and clean the dust and impurities adsorbed on the surface of the filter plate 24, ensure that the ventilation performance of the filter plate 24 is always in good condition, continuously and effectively provide a clean air circulation environment for the inside of the detection box 1, and ensure the long-term stable operation of the heat dissipation system.
[0035] Working principle: when the lithium battery is detected, first of all, the lithium battery is placed in the placing frame 14. During the placing process, the lithium battery will contact with the clamping plate 12, with the placing of the lithium battery, the lithium battery pushes the clamping plate 12 to move to both sides, the clamping plate 12 drives the sliding rod 9 to slide in the sleeve rod 8, the sliding rod 9 drives the stop block 10 to slide in the sleeve rod 8, at this time, the spring 11 is compressed, and the guide block 16 outside the clamping plate 12 slides in the guide groove 15 of the placing frame 14, to ensure that the clamping plate 12 moves stably, until the elastic force of the spring 11 and the extrusion force of the lithium battery are balanced, the gasket 13 is in close contact with the lithium battery, so as to realize the clamping positioning of the lithium battery.
[0036] Then the electric push rod 5 is started, the electric push rod 5 drives the extrusion plate 6 to move downwards, the extrusion plate 6 slides inside the detection box 1 and the placing frame 14, and the lithium battery in the placing frame 14 is extruded, and the state of the lithium battery can be observed through the observation window 3 during the extrusion process.
[0037] Meanwhile, the fan 18 is started, the fan 18 rotates to generate airflow, the airflow circulates in the detection box 1 through the ventilation plate 17, and the lithium battery and the surrounding environment during the detection process are cooled.
[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application and is not intended to limit the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included within the scope of the present application.
Claims
1. A health state detection tool for lithium battery, comprising a detection box (1), characterized in that: The front end of the detection box (1) is fixedly connected with a cabinet door (2), the inside of the cabinet door (2) is fixedly connected with an observation window (3), the top end of the detection box (1) is fixedly connected with a pressing assembly for detection, the inside of the detection box (1) is fixedly connected with support blocks (7) on the left and right sides, the inside of the support blocks (7) is fixedly connected with sleeve rods (8) on the near sides, the inside of the sleeve rods (8) is slidably connected with sliding rods (9), the outside of the sliding rods (9) is fixedly connected with stop blocks (10) on the far sides, the inside of the sleeve rods (8) is fixedly connected with springs (11), the near sides of the sliding rods (9) are fixedly connected with clamping plates (12), the outside of the clamping plates (12) is fixedly connected with gaskets (13) on the near sides, the outside of the support blocks (7) is fixedly connected with placing frames (14) on the near sides, the inside of the placing frames (14) is provided with guide grooves (15), and the outside of the clamping plates (12) is fixedly connected with guide blocks (16) on the front and back sides.
2. The lithium battery state of health detection tool of claim 1, wherein: The pressing assembly comprises a connecting block (4), the bottom end of the connecting block (4) is fixedly connected to the top end of the detection box (1), and the inside of the connecting block (4) is fixedly connected with an electric push rod (5). 3.The lithium battery state of health detection tool according to claim 1, characterized in that: The inside of the detection box (1) is fixedly connected with two ventilation plates (17) at the rear end, the inside of the detection box (1) is fixedly connected with two fans (18) at the rear end, the rear ends of the two fans (18) are fixedly connected with connecting rods (19), the inside of the connecting rods (19) is fixedly connected with vertical rods (20), the outside of the vertical rods (20) is fixedly connected with connecting plates (21) on one side, the outside of the connecting plates (21) is fixedly connected with a plurality of springs (22) on one side, the outside of the plurality of springs (22) is fixedly connected with scrapers (23), and the outside of the detection box (1) is fixedly connected with two filter plates (24) at the rear end.
4. The lithium battery state of health detection tool of claim 1, wherein: The outside of the stop block (10) is slidably connected in the inside of the sleeve rod (8), and the other end of the spring (11) is fixedly connected to the outside of the stop block (10) on the far side.
5. The lithium battery state of health detection tool of claim 1, wherein: The outside of the clamping plate (12) is slidably connected in the inside of the placing frame (14), and the outside of the guide block (16) is slidably connected in the inside of the guide groove (15).
6. The lithium battery state of health detection tool of claim 1, wherein: The outside of the placing frame (14) is fixedly connected to the inside of the detection box (1) at the bottom end, and the outside of the gasket (13) is slidably connected in the inside of the placing frame (14).
7. The lithium battery state of health detection tool of claim 2, wherein: The outside of the pressing plate (6) is slidably connected in the inside of the detection box (1), and the outside of the pressing plate (6) is slidably connected in the inside of the placing frame (14).
8. The lithium battery state of health detection tool of claim 3, wherein: The outside of the connecting rod (19) is rotatably connected in the inside of the filter plate (24), and the outside of the scraper (23) is in contact with the outside of the filter plate (24).