Laminated battery alignment degree detection tool
By designing the alignment detection tool for stacked batteries, combining x-ray equipment, using V-shaped long slots and springs to fix the battery, and accurately performing alignment detection through the L-shaped plate, traditional technology cannot accurately detect the stacked battery pole plate. The problem of layer misalignment achieves more efficient and accurate detection results.
Patent Information
- Application Number
- CN202420566069.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-03-22
AI Technical Summary
Traditional x-ray devices cannot accurately detect misalignment between the pole sheets of laminated batteries, resulting in safety hazards. The prior art cannot effectively ensure the alignment and stacking stability of laminated batteries.
A stacked battery alignment detection tool is designed, including base, front back plate, back plate, push plate and guide rod. The battery to be tested is fixed through V-shaped long grooves and springs, and combined with x-ray equipment, using L The model plates are accurately aligned.
It realizes accurate detection of the alignment between the laminated battery layers, improves the comprehensiveness and accuracy of the detection, is suitable for a variety of battery models, simplifies the operation process, and improves the detection efficiency and accuracy.
Smart Images
Figure CN222353127U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium batteries, and in particular to a stacked battery alignment detection tool. Background Art
[0002] In recent years, consumers have increasingly higher requirements for the use of electronic products. Correspondingly, fast charging technologies for various electronic products have begun to move towards the market, which has posed greater challenges to the technological development of lithium batteries. Compared with wound structure batteries, stacked batteries have attracted much attention due to their high space utilization, low internal resistance, and good rate performance. However, the battery is prone to pole misalignment during the stacking process. In order to ensure the safety of shipped batteries, x-ray equipment is required to detect the alignment of the battery, but traditional detection methods cannot accurately detect the misalignment between pole layers, and there is a certain risk of leakage of defective batteries.
[0003] In order to ensure the safety of battery use, there are requirements for overhang and alignment when designing and producing batteries. The existing technology is to detect through x-ray equipment. For the wound electrode group, the pole piece is continuous, and the overhang in the width direction of the battery does not need to be considered. The overhang and alignment in the length direction can be effectively detected by x-ray technology. However, stacked batteries are obtained by crossing the positive and negative electrodes of a single piece. The pole pieces are discontinuous and easily loose and misplaced during the stacking and shifting process. This puts higher requirements on the neatness of the arrangement of the electrode group. Only the overhang and alignment of the entire battery can be obtained through the plane image of the x-ray device. The stacking stability between the electrode layers cannot be guaranteed, which can easily lead to the outflow of batteries with safety hazards. Utility Model Content
[0004] The utility model aims to overcome the deficiencies in the prior art and provides a laminated battery alignment detection tool, which can detect the alignment between layers of the laminated battery, making the laminated battery alignment detection method more comprehensive and accurate.
[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a stacked battery alignment detection tool, including a base, a front back plate, a rear back plate, a push plate and a guide rod, the upper opening of the base is provided with a V-shaped long groove along its longitudinal direction for placing the battery to be tested, the front end of the base is fixedly connected to the front back plate, and the rear end of the base is fixedly connected to the rear back plate, parallel circular holes are provided on the front back plate, and guide rods are slidably connected in the circular holes, and the guide rods are screwed with a push plate, and the push plate moves back and forth along the V-shaped long groove of the base.
[0006] Furthermore, the opening angle of the V-shaped long groove on the base is 90°, so that the test battery is 45° to the horizontal plane.
[0007] Furthermore, the guide rod is arranged parallel to the base, and a spring is sleeved on the guide rod.
[0008] Furthermore, the inner diameter of the spring is 1 mm to 3 mm larger than the diameter of the guide rod.
[0009] Furthermore, a plurality of pressing plates for isolating the batteries to be tested are arranged on the V-shaped long groove of the base, the cross-sectional shape of the pressing plates is the same as that of the base, and the pressing plates are sleeved on the base between the back plate and the push plate.
[0010] Furthermore, L-shaped number plates are respectively embedded at the lower corners of both ends of the pressure plate, and the number plates are made of metal.
[0011] Furthermore, a handle is fixedly connected to the front end of the guide rod, and threaded holes are provided at both ends of the handle, which is vertically threadedly connected to the guide rod.
[0012] Beneficial effects: Compared with the prior art, the utility model can detect the alignment between the layers of the laminated battery, making the alignment detection method of the laminated battery more comprehensive and accurate. In addition, the tooling is combined with the x-ray detection equipment, the laminated battery model can be universal, multiple batteries can be tested at one time, the operation is simple, and the detection efficiency and accuracy are improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model;
[0014] Figure 2 yes Figure 1 Schematic diagram of the V-shaped cross section of the middle base;
[0015] Figure 3 It is a structural diagram of the numbering plate;
[0016] Figure 4 yes Figure 1 Schematic diagram of the structure of the middle front back plate;
[0017] Figure 5 yes Figure 1 Schematic diagram of the structure of the middle push plate;
[0018] Figure 6 yes Figure 1 Schematic diagram of the structure of the medium pressure plate.
[0019] In the figure: 1. base; 1-1. V-shaped long groove; 2. push plate; 2-1. screw hole; 3. pressure plate; 4. number plate; 5. front back plate; 5-1. round hole; 6. spring; 7. guide rod; 8. handle; 9. back plate. DETAILED DESCRIPTION
[0020] The following is a detailed description of the specific implementation method provided by the utility model in combination with the preferred embodiment: See the accompanying drawings for details. This embodiment provides a stacked battery alignment detection tool, including a base 1, a front back plate 5, a rear back plate 9, a push plate 2 and a guide rod 7. The upper opening of the base is provided with a V-shaped long groove 1-1 along its longitudinal direction for placing the battery to be tested. The front end of the base is fixed to the front back plate by screws, and the rear end of the base is fixed to the rear back plate by screws. Parallel circular holes 5-1 are provided on the front back plate, and a guide rod 7 is slidably connected in the circular hole. The guide rod is screwed through the screw hole 2-1 on the push plate, and the push plate moves back and forth along the V-shaped long groove of the base.
[0021] A preferred solution of this embodiment is that the opening angle of the V-shaped long groove on the base is 90°, so that the test battery is 45° with the horizontal plane.
[0022] The preferred solution of this embodiment is that the guide rod is arranged in parallel with the base, and a spring 6 is sleeved on the guide rod. The wire diameter and the total length in the natural state need to be selected and determined according to the completion of the tooling.
[0023] A preferred solution of this embodiment is that the inner diameter of the spring is 1 mm-3 mm larger than the diameter of the guide rod.
[0024] The preferred solution of this embodiment is that a plurality of pressing plates 3 for isolating the batteries to be tested are arranged on the V-shaped long groove of the base, the cross-sectional shape of the pressing plates is the same as that of the base, and the pressing plates are sleeved on the base between the back plate and the push plate.
[0025] The preferred solution of this embodiment is that L-shaped label plates are embedded in the lower corners of both ends of the pressure plate. The label plates are made of metal and engraved with numbers representing the sequence. They can be identified under x-ray equipment and the batteries to be tested are matched one by one with the labels.
[0026] The preferred solution of this embodiment is that a handle 8 is fixedly connected to the front end of the guide rod, and threaded holes are provided at both ends of the handle, which is vertically screwed to the guide rod to facilitate the control of the movement of the push plate.
[0027] The detection process is as follows:
[0028] Step 1: There are several pressure plates installed on the seat to isolate the batteries to be tested. Pull the handle, the spring is compressed, and the pressure plates are separated one by one;
[0029] Step 2: Place the stacked battery to be tested on the base, with the battery at a 45° angle to the horizontal plane, and separate the batteries with a pressing plate;
[0030] Step 3: Loosen the handle, the spring is released, and the push plate provides force to press the battery, and the battery to be tested is fixed;
[0031] Step 4: Place the fixture under the x-ray device for observation and measurement. An L-shaped label plate 4 is embedded in the lower corners of both ends of the pressure plate. The label plate is made of metal and engraved with numbers representing the sequence. It can be identified under the x-ray device. The batteries correspond to the label plates one by one, and the measurement results are recorded.
[0032] The tooling is combined with the X-ray inspection equipment, and the stacked battery models can be universal. Multiple batteries can be tested at one time, which is simple to operate and improves the inspection efficiency and accuracy.
[0033] The above-mentioned detailed description of a stacked battery alignment detection tooling with reference to the embodiment is illustrative rather than restrictive, and several embodiments can be listed according to the limited scope. Therefore, changes and modifications without departing from the overall concept of the utility model should fall within the scope of protection of the utility model.
Claims
1. A stacked battery alignment detection tool, characterized by: It includes a base, a front back plate, a rear back plate, a push plate and a guide rod. The upper opening of the base is provided with a V-shaped long groove along its longitudinal direction for placing the battery to be tested. The front end of the base is fixedly connected to the front back plate, and the rear end of the base is fixedly connected to the rear back plate. The front back plate is provided with parallel circular holes, and the circular holes are slidably connected with a guide rod. The guide rod is screwed with a push plate, and the push plate moves forward and backward along the V-shaped long groove of the base.
2. The stacked battery alignment detection tool according to claim 1 is characterized by: The opening angle of the V-shaped long groove on the base is 90 degrees, so that the test battery is 45 degrees with the horizontal plane.
3. The stacked battery alignment detection tool according to claim 1 is characterized by: The guide rod is arranged parallel to the base, and a spring is sleeved on the guide rod.
4. The stacked battery alignment detection tool according to claim 3 is characterized by: The inner diameter of the spring is 1mm-3mm larger than the diameter of the guide rod.
5. The stacked battery alignment detection tool according to claim 1 is characterized by: A plurality of pressing plates for isolating the batteries to be tested are arranged on the V-shaped long groove of the base, the cross-sectional shape of the pressing plates is the same as that of the base, and the pressing plates are sleeved on the base between the back plate and the push plate.
6. The stacked battery alignment detection tool according to claim 5 is characterized by: L-shaped number plates are respectively embedded at the lower corners of both ends of the pressing plate, and the number plates are made of metal.
7. The stacked battery alignment detection tool according to claim 1 is characterized by: A handle is fixedly connected to the front end of the guide rod, and threaded holes are arranged at both ends of the handle, which are vertically threadedly connected to the guide rod.