Battery Pack Testing Device and Testing Method

Abstract

This invention belongs to the field of testing technology, specifically relating to dimensional measurement, and particularly to a testing device and method for combined battery blocks. One type of combined battery block testing device includes: an adjustable limiting structure, which is vertically and vertically positioned above an assembly station, comprising: a limiting plate, horizontally arranged with a sliding groove on its bottom wall; two guide plates, slidably disposed at both ends of the limiting plate in the width direction; and two limiting components, slidably disposed within the sliding groove and linked with the guide plates. When a metal frame presses down on the guide plates: the guide plates retract towards the center of the limiting plate, guiding the metal frame to move downwards in a centered position; when the two guide plates retract inwards, they drive the two limiting components to move towards each other, clamping the two rectangular battery blocks to eliminate gaps. By adjusting the setting of the limiting structure, not only can the metal frame be prevented from rubbing against the surface of the rectangular battery blocks, but assembly efficiency is also improved.

Description

Technical Field

[0001] This invention belongs to the field of testing technology, specifically relating to the measurement of dimensions, and particularly to a testing device and method for combined battery packs. Background Technology

[0002] To improve the overall structural strength and impact resistance of rectangular battery blocks, a metal frame of matching size needs to be fitted around the outer wall of the combined battery blocks.

[0003] In related technologies, two rectangular battery blocks are connected in series (the voltage is superimposed after series connection, and the discharge capacity is enhanced), and placed in a horizontal position with close contact. The assembly robot moves downward to fit a metal frame onto the outer wall of the two closely connected rectangular battery blocks.

[0004] However, during the horizontal positioning and vertical assembly processes of the assembly robot, wobbling may cause the metal frame to shift relative to the rectangular battery blocks. When the shifted metal frame is fitted over adjacent rectangular battery blocks, the bottom wall of the metal frame rubs against the surface of the rectangular battery blocks, causing scratches. Furthermore, when the two rectangular battery blocks are placed horizontally with their sidewalls tightly against each other at the assembly station, the placement deviation may create gaps between them, as the two rectangular battery blocks are not suitable for adhesive bonding. This further increases the risk of the metal frame rubbing against the surface and edges of the rectangular battery blocks.

[0005] Therefore, how to avoid scratching the surface of the rectangular battery block during the assembly of the metal frame is a technical problem that urgently needs to be solved in this field.

[0006] It should be noted that the information disclosed in this background section is only for understanding the background technology of this application concept, and therefore, the above description is not considered to constitute information related to the technology. Summary of the Invention

[0007] This disclosure provides at least one combined battery block testing device and testing method.

[0008] In a first aspect, embodiments of this disclosure provide a combined battery block testing device, comprising:

[0009] An adjustable limiting structure, which is vertically and vertically positioned above the assembly station, includes:

[0010] The limiting plate is horizontally positioned and has a sliding groove on its bottom wall;

[0011] Two guide plates are slidably disposed at both ends of the width direction of the limiting plate;

[0012] Two limiting components are slidably disposed in the sliding groove and are linked with the guide plate;

[0013] Specifically, when the metal frame presses down on the guide plate:

[0014] The guide plate retracts towards the center of the limiting plate, guiding the metal frame to move downwards and center.

[0015] When the two guide plates retract inward, they drive the two limiting components to move towards each other, and the two limiting components clamp the two rectangular battery blocks to eliminate the gap.

[0016] In one optional implementation, the length and width of the limiting plate are consistent with the length and width of the two adjacent rectangular battery blocks.

[0017] In one optional embodiment, the outer ends of the two guide plates protrude from the limiting plate, and the protruding portions are provided with inclined surfaces;

[0018] The metal frame moves downwards to meet the inclined surface, and the guide plate retracts inwards to guide the metal frame to move downwards in the center.

[0019] In one optional implementation, the limiting component includes:

[0020] The limiting component is slidably disposed within the limiting plate, and two extension rods are symmetrically arranged on the side away from the guide plate;

[0021] The driving component has one end located on the inner wall of the guide plate and the other end extending towards the limiting component;

[0022] The connector slides through the drive member, and its two ends abut against the limiting member respectively;

[0023] When the two guide plates retract toward the center of the limiting plate, the drive connector moves along the width direction of the limiting plate.

[0024] The two limiting members and the two guide plates move toward each other, and the extension rod is adapted to clamp the two rectangular battery blocks to eliminate the gap.

[0025] In one optional embodiment, the limiting plate has two receiving cavities, and the limiting member and the driving member are slidably disposed in the receiving cavities respectively;

[0026] A compression spring is provided at the end of the driving component, and one end of the compression spring abuts against the limiting component;

[0027] When the guide plate retracts toward the center of the limiting plate, the driving component pushes the compression spring to make the limiting component move toward the center of the limiting plate.

[0028] When the connector moves along the width direction of the limiting plate, the connector drives the limiting plate to move towards the guide plate to compress the compression spring.

[0029] In one alternative embodiment, the connector is Z-shaped and has a first guide surface at each end, with the two first guide surfaces being parallel to each other.

[0030] In one optional embodiment, the limiting member has two second guide surfaces adapted to the first guide surface near the connecting member, and the first guide surface abuts against the second guide surface;

[0031] When the connector moves along the width direction of the limiting plate, the second guide surface pushes the first guide surface so that the limiting member and the guide plate move towards each other.

[0032] In one optional embodiment, the driving member has an oblique hole in the middle that matches the connecting member;

[0033] When the driving component retracts towards the center of the limiting plate, the inclined surface pushes the connecting component to move along the width direction of the limiting plate.

[0034] In one optional embodiment, a positioning groove is formed at each end of the limiting plate in the width direction, and the width of the positioning groove is not less than the width of the guide plate.

[0035] In one alternative embodiment, the bottom wall of the extension rod is provided with a protrusion that matches the groove on the surface of the rectangular battery block;

[0036] When the limiting plate abuts against the surface of the rectangular battery block, the protrusion is adapted to be inserted into the groove.

[0037] Secondly, embodiments of this disclosure also provide a detection method for a combined battery block detection device, the detection method comprising:

[0038] Two rectangular battery blocks are placed horizontally at the assembly station, with their sidewalls abutting each other;

[0039] Adjust the limiting structure to move downwards until it abuts against the rectangular battery block;

[0040] The metal frame moves downward to pass over the adjusting limit structure and is fitted onto the outer wall of the assembly composed of two rectangular battery blocks;

[0041] When the metal frame presses down on the guide plate:

[0042] The guide plate retracts towards the center of the limiting plate, guiding the metal frame to move downwards and center.

[0043] When the two guide plates retract inward, they drive the two limiting components to move towards each other, and the two limiting components clamp the two rectangular battery blocks to eliminate the gap.

[0044] The beneficial effects of this invention are that it provides a combined battery block detection device and method. Through the cooperation of the guide plate and the limiting components, when the metal frame presses down on the guide plate, the inclined surface of the guide plate can guide the metal frame to its initial horizontal positioning (solving the problem of robot arm wobbling and offset). This not only corrects the metal frame but also prevents friction between the metal frame and the rectangular battery block surface. Simultaneously, the linkage structure drives the limiting components to eliminate gaps between the battery blocks (solving assembly gaps). The synergy of these two components ensures that the metal frame falls vertically without friction. The two limiting components clamp the two rectangular battery blocks, eliminating the gap between them and further reducing the probability of friction between the metal frame and the rectangular battery blocks during downward movement.

[0045] Other features and advantages of the invention will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention are realized and obtained through the structures particularly pointed out in the description and the drawings.

[0046] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, preferred embodiments are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0047] To more clearly illustrate the technical solutions in the specific embodiments or related technologies of the present invention, the drawings used in the description of the specific embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0048] Figure 1 A perspective view of the combined battery block detection device provided in the embodiments of this disclosure;

[0049] Figure 2 A perspective view of the rectangular battery block, metal frame, and adjustment limit provided in an embodiment of this disclosure;

[0050] Figure 3 A sectional perspective view of the adjustment limiting structure provided in the embodiments of this disclosure;

[0051] Figure 4 A schematic diagram showing the state in which the limiting member clamps two rectangular battery blocks according to an embodiment of this disclosure;

[0052] Figure 5 This is a schematic diagram showing the state of the movable plate protruding from the limiting plate according to an embodiment of the present disclosure.

[0053] In the picture:

[0054] 1. Adjustable limiting structure; 11. Limiting plate; 110. Inclined surface; 111. Sliding groove; 112. Receiving cavity;

[0055] 12. Guide panel;

[0056] 13. Limiting assembly; 131. Limiting component; 132. Driving component; 133. Connecting component; 134. Extension rod; 135. Compression spring; 136. First guide surface; 137. Second guide surface; 139. Protrusion;

[0057] 14. Through-hole; 15. Limiting block;

[0058] 2. Rectangular battery block; 20. Groove; 3. Assembly station; 4. Metal frame. Detailed Implementation

[0059] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0060] In this document, when it is mentioned that a first component is located on a second component, this can mean that the first component can be directly formed on the second component, or that a third component can be inserted between the first and second components. Furthermore, in the accompanying drawings, the thickness of the components may be exaggerated or reduced for the purpose of effectively describing the technical content.

[0061] In this document, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as “at least one of…” modify the entire list of elements when following a list of elements, rather than individual elements in the list. For example, the expression “at least one of a, b, and c” should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0062] The terminology used herein is for the purpose of describing specific exemplary configurations only and is not intended to be limiting. As used herein, the singular articles “a,” “an,” and “the” may also be intended to include plural forms unless otherwise expressly stated herein. The terms “comprising,” “including,” and “having” are inclusive and thus specify the presence of features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein should not be construed as requiring them to be performed in the specific order discussed or shown, unless specifically identified as such. Additional or alternative steps may be employed.

[0063] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” etc., generally refer to the fact that a particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of this disclosure. Therefore, a particular feature, structure, or characteristic can be included in more than one embodiment of this disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms “example,” “exemplary,” etc., are used to “serve as an example, instance, or illustration.” Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. Rather, the use of the terms “example,” “exemplary,” etc., is intended to present concepts in a specific manner.

[0064] Research has revealed that in related technologies, two rectangular battery blocks are connected in series (resulting in voltage superposition and enhanced discharge capacity), placed tightly against each other horizontally at the assembly station, and an assembly robot moves downwards to fit a metal frame over the tightly fitted rectangular battery blocks. However, during the horizontal positioning and vertical assembly processes of the assembly robot, wobbling can cause the metal frame to shift relative to the rectangular battery blocks. This shifted metal frame, when fitted over adjacent rectangular battery blocks, causes scratches due to friction between its bottom wall and the surface of the rectangular battery blocks. Furthermore, when the two rectangular battery blocks are placed horizontally with their side walls tightly against each other, adhesive is not suitable for bonding them. Positional deviations can lead to gaps between the two rectangular battery blocks when placed horizontally, further increasing the risk of the metal frame rubbing against the surface of the rectangular battery blocks.

[0065] Therefore, how to avoid scratching the surface of the rectangular battery block during the assembly of the metal frame is a technical problem that urgently needs to be solved in this field.

[0066] The defects in the above solutions and the reasons for their occurrence are the results of the inventors' practice and careful research. Therefore, the discovery process of the above problems and the solutions proposed in this disclosure should be considered as the inventors' contributions to this disclosure.

[0067] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0068] The following detailed description of some embodiments of the present invention is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0069] like Figures 1 to 5 As shown, at least one embodiment provides a combined battery block detection device, including:

[0070] The adjustable limiting structure 1, which is vertically oriented above the assembly station 3, includes: a limiting plate 11, which is horizontally positioned and has a sliding groove 111 on its bottom wall; the length and width of the limiting plate 11 are consistent with the sum of the lengths and widths of two adjacent rectangular battery blocks 2. Two guide plates 12 are slidably positioned at both ends of the limiting plate 11 in the width direction; the outer ends of the two guide plates 12 protrude from the limiting plate 11, and the protruding portions are provided with inclined surfaces 110; the metal frame 4 moves downward and abuts against the inclined surfaces 110, the guide plates 12 retract inward and guide the metal frame 4 to move downward in a centered position.

[0071] Reference Appendix Figure 3 Two limiting components 13 are slidably disposed within the sliding groove 111 and linked with the guide plate 12. The limiting components 13 are linked with the guide plate 12 through the driving component 132. That is, when the guide plate 12 is pushed to retract and slide inward, the corresponding limiting component 131 slides outward simultaneously to achieve the effect of clamping and limiting the two rectangular battery blocks 2. Specifically, the two rectangular battery blocks 2 are horizontally placed at the assembly station 3, with their side walls abutting against each other. The adjusting limiting structure 1 moves downward to abut against the rectangular battery blocks 2. The metal frame 4 moves downward to pass over the adjusting limiting structure 1 and is fitted onto the outer wall of the two rectangular battery blocks 2. When the two rectangular battery blocks 2 are horizontally placed at the assembly station 3, and the metal frame 4 presses down on the guide plate 12, the guide plate 12 retracts towards the center of the limiting plate 11, and the metal frame 4 moves downward in the center. When the two guide plates 12 retract inward, they drive the two limiting components 13 to move towards each other, and the two limiting components 13 clamp the two rectangular battery blocks 2 to eliminate the gap.

[0072] In this embodiment, the inner dimension of the metal frame 4 is the same as the outer dimension of the two tightly fitted rectangular battery blocks 2. Therefore, when a conventional robotic arm grips the metal frame 4 and moves it down to directly fit it onto the two rectangular battery blocks 2, if the robotic arm shakes during its movement, the position of the metal frame 4 relative to the rectangular battery blocks 2 will shift. This not only prevents the metal frame 4 from fitting onto the two rectangular battery blocks 2, but also poses a risk of scratches caused by friction between the bottom wall of the metal frame and the surface of the rectangular battery blocks. Furthermore, when the robotic arm stably moves the metal frame 4 above the rectangular battery blocks 2, if the two rectangular battery blocks 2 are not tightly fitted (i.e., an assembly gap exists), the metal frame 4 cannot fit onto the two rectangular battery blocks 2 when it moves down. Therefore, it is necessary to adjust the limiting structure 1 to guide and correct the downward position of the metal frame 4 and to squeeze and assist the two rectangular battery blocks to ensure a tight fit. In this embodiment, staggered protrusions 139 are inserted into the grooves 20 of different rectangular battery blocks 2. As the guide plate 12 retracts into the limiting plate 11, the two oppositely arranged protrusions 139 move away from each other, so as to pull the two rectangular battery blocks 2 to face each other synchronously, so as to achieve a correction effect.

[0073] Preferably, a robotic arm is vertically mounted on the assembly station 3. The robotic arm is adapted to grip the metal frame 4. After the adjusting limiting structure 1 abuts against the rectangular battery block 2, the robotic arm grips the metal frame 4 and moves it down to fit over the outer wall of the two rectangular battery blocks 2. Through the cooperation of the guide plate 12 and the limiting component 13, when the metal frame 4 presses down on the guide plate 12, the inclined surface 110 of the guide plate 12 can guide the lateral displacement of the metal frame 4, which can not only correct the metal frame 4, but also avoid friction between the metal frame 4 and the surface of the rectangular battery block 2. At the same time, the two limiting components 131 clamp the two rectangular battery blocks 2, which can eliminate the gap between the two rectangular battery blocks 2, further reducing the probability of friction between the metal frame 4 and the rectangular battery blocks 2 when it moves down.

[0074] Reference Appendix Figure 2 and Figure 3 The limiting component 13 includes: a limiting member 131, which is slidably disposed within the limiting plate 11, and two extension rods 134 symmetrically arranged on the side away from the guide plate 12; the limiting plate 11 has two receiving cavities 112, which are respectively disposed on both sides of the sliding groove 111 and communicate with each other. The limiting member 131 and the driving member 132 are slidably disposed within the receiving cavities 112. A limiting block 15 is disposed within the receiving cavity 112, and a connecting member 133 is slidably disposed within the limiting block 15. The driving member 132 passes through the limiting block 15, and the moving directions of the connecting member 133 and the driving member 132 are cross-shaped. (See attached diagram) Figure 4The inner frame of the limiting block 15 is flat, and the two surfaces of the connecting member 133 near the limiting block 15 are also flat and fit against the inner frame of the limiting block 15. The driving member 132 has one end disposed on the inner wall of the guide plate 12 and the other end extending towards the limiting member 131. The connecting member 133 slides through the driving member 132, and its two ends abut against the limiting member 131. The driving member 132 has a through oblique hole 14 adapted to the oblique surface of the connecting member 133. A compression spring 135 is provided at the end of the driving member 132, and one end of the compression spring 135 abuts against the limiting member 131. After the metal frame 4 detaches from the outside of the guide plate 12, the compression spring 135 pushes the guide plate 12 to reset outward, and simultaneously pushes the limiting member 131 to reset inward.

[0075] Reference Appendix Figure 5 When the metal frame 4 moves downward and initially contacts the inclined surface 110, the inclined surface 110 of the guide plate 12 can guide the metal frame 4 to be horizontally positioned for the first time; the metal frame 4 continues to move downward, pushing the guide plate 12 to retract into the limiting plate 11, and the guide plate 12 drives the driving member 132 to retract towards the center of the limiting plate 11. Figure 5 F1 in the figure represents the pressure applied by the metal frame 4 to the guide plate 12, and also represents the direction of movement of the drive member 132. At this time, the drive member 132 compresses the compression spring 135. Since the two ends of the connector 133 abut against the two second guide surfaces 137 at the ends of the limiting member 131, although the drive member 132 moves inward and compresses the compression spring 135, the compression spring 135 cannot push the limiting member 131 to retract inward synchronously. Figure 5 In the diagram, F2 indicates the direction of movement of the extension rod, F3 indicates the direction of movement of the connecting rod, and F4 indicates the direction of movement of the limiting member 131.

[0076] Reference Appendix Figure 4 and Figure 5 As the guide plate 12 continues to retract and move inward toward the limiting plate 11, the through oblique hole 14 on the drive member 132 pushes the connector 133 to move along the width direction of the limiting plate 11 (i.e., the inner wall of the through oblique hole 14 pushes the connector 133, causing it to move along...). Figure 5 When the connecting member 133 moves relative to the driving member 132 (moving in the direction of F3), it moves (along the direction of F3). Figure 5 (Moves in the F3 direction), the first guide surface 136 below the connector 133 and the limiting member 131 are located Figure 5 The second guide surface 137 at the lower center abuts against the first guide surface 136, which pushes the second guide surface 137, thereby pushing the limiting member 131 along... Figure 5 The movement is in the direction of F4; at this time, the limiting member 131 continues to compress the compression spring 135, and drives the extension rod 134 to move outward synchronously (as shown in the image). Figure 5(F2 indicates the direction of movement of the extension rod); the two extension rods 134, which are set opposite each other, move outward synchronously to pull the two rectangular battery blocks 2 to move towards each other, so as to eliminate the gap of the rectangular battery block 2 support.

[0077] Reference Appendix Figure 3 The connector 133 is Z-shaped, and each end is provided with a first guide surface 136, which are parallel to each other. The limiting member 131 has two second guide surfaces 137 that are adapted to the first guide surfaces 136 near the connector 133, and the first guide surfaces 136 and the second guide surfaces 137 abut against each other.

[0078] When the connector 133 moves along the width direction of the limiting plate 11, the second guide surface 137 pushes the first guide surface 136 so that the limiting member 131 and the guide plate 12 move towards each other.

[0079] The driving component 132 has a through oblique hole 14 in the middle that matches the connecting component 133; wherein, when the driving component 132 retracts toward the center of the limiting plate 11, the guide plate 12 retracts into the limiting plate 11 simultaneously.

[0080] The inclined surface 110 pushes the connector 133 to move along the width direction of the limiting plate 11.

[0081] Reference Appendix Figure 2 The limiting plate 11 has a positioning groove at each end in the width direction, and the width of the positioning groove is not less than the width of the guide plate 12.

[0082] Reference Appendix Figure 3 The bottom wall of the extension rod 134 is provided with a protrusion 139 that is adapted to the groove 20 on the surface of the rectangular battery block 2; wherein, when the limiting plate 11 abuts against the surface of the rectangular battery block 2, the protrusion 139 is adapted to be inserted into the groove 20.

[0083] The working principle is as follows:

[0084] Two rectangular battery blocks 2 are placed horizontally at the assembly station 3 with their sidewalls abutting each other; the adjusting limiting structure 1 moves downward to abut against the rectangular battery blocks 2; at this time, a protrusion 139 is inserted into the corresponding groove 20; the metal frame 4 moves downward to pass over the adjusting limiting structure 1 and is fitted onto the outer wall of the assembly formed by the two rectangular battery blocks 2.

[0085] Reference Appendix Figure 4When the metal frame 4 moves downward to abut against the inclined surface 110 of the guide plate 12, the guide plate 12 retracts towards the center of the limiting plate 11, guiding the metal frame 4 to move downward in the center. Specifically, the guide plate 12 pushes the driving member 132 to slide inward, the driving member 132 pushes the connecting member 133 to move along the width direction of the limiting plate 11, the first guiding surface 136 and the second guiding surface 137 abut against each other to make the limiting member 131 move towards the direction of the guide plate 12, and the limiting member 131 moves outward to drive the protrusion 139 to slide in the groove 20. The oppositely arranged protrusions 139 respectively squeeze the corresponding rectangular battery blocks 2 so that the end walls of the two rectangular battery blocks 2 fit tightly together to eliminate the gap between the two rectangular battery blocks 2. Figure 4 F1 indicates the inward sliding direction of the guide plate 12; F2 indicates the outward sliding direction of the limiting member 131.

[0086] At least one embodiment provides a detection method for a combined battery block detection device, the detection method comprising:

[0087] Two rectangular battery blocks 2 are placed horizontally at assembly station 3, with their sidewalls abutting each other;

[0088] Adjust the limiting structure 1 downwards until it abuts against the rectangular battery block 2;

[0089] The metal frame 4 moves downward to pass over the adjusting limit structure 1, which is fitted onto the outer wall of the combined body composed of the two rectangular battery blocks 2.

[0090] When the metal frame 4 presses down on the guide plate 12:

[0091] The guide plate 12 retracts towards the center of the limiting plate 11, guiding the metal frame 4 to move downward in the center;

[0092] When the two guide plates 12 retract inward, they drive the two limiting components 13 to move towards each other, and the two limiting components 13 clamp the two rectangular battery blocks 2 to eliminate the gap.

[0093] In the description of the embodiments of the present invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the present invention based on the specific circumstances.

[0094] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence unless expressly indicated herein. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer, or segment discussed above may be referred to as a second element, component, region, layer, or segment.

[0095] Based on the above-described preferred embodiments of the present invention, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the inventive concept. The technical scope of this invention is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A combined battery block testing device, characterized in that, include: Adjustable limiting structure (1), which is vertically and vertically positioned above assembly station (3), includes: The limiting plate (11) is horizontally set and has a sliding groove (111) on its bottom wall. Two guide plates (12) are slidably disposed at both ends of the width direction of the limiting plate (11); Two limiting components (13) are slidably disposed in the sliding groove (111) and linked with the guide plate (12); When the metal frame (4) presses down on the guide plate (12): The guide plate (12) retracts towards the center of the limiting plate (11), guiding the metal frame (4) to move downward in the center; When the two guide plates (12) retract inward, they drive the two limiting components (13) to move towards each other, and the two limiting components (13) clamp the two rectangular battery blocks (2) to eliminate the gap; The outer ends of the two guide plates (12) protrude from the limiting plate (11), and the protruding parts are provided with inclined surfaces (110). Among them, the metal frame (4) moves downward to abut against the inclined surface (110), and the guide plate (12) retracts inward and guides the metal frame (4) to move downward in the center; The limiting component (13) includes: The limiting member (131) is slidably disposed within the limiting plate (11), and two extension rods (134) are symmetrically disposed on the side away from the guide plate (12). The driving component (132) has one end disposed on the inner wall of the guide plate (12) and the other end extends toward the limiting component (131). The connector (133) slides through the drive member (132) and its two ends abut against the limiting member (131); When the two guide plates (12) retract toward the center of the limiting plate (11), the drive connector (133) moves along the width direction of the limiting plate (11); The two limiting members (131) and the two guide plates (12) move toward each other, and the extension rod (134) is adapted to clamp the two rectangular battery blocks (2) to eliminate the gap.

2. The combined battery block testing device as described in claim 1, characterized in that, The limiting plate (11) has two receiving cavities (112) inside, and the limiting member (131) and the driving member (132) are respectively slidably disposed in the receiving cavity (112); A compression spring (135) is provided at the end of the driving member (132), and one end of the compression spring (135) abuts against the limiting member (131); When the guide plate (12) retracts toward the center of the limiting plate (11), the drive member (132) pushes the compression spring (135) to make the limiting member (131) move toward the center of the limiting plate (11); When the connector (133) moves along the width direction of the limiting plate (11), the connector (133) drives the limiting member (131) to move toward the guide plate (12) to compress the compression spring (135).

3. The combined battery block testing device as described in claim 2, characterized in that, The connector (133) is Z-shaped and has a first guide surface (136) at each end, with the two first guide surfaces (136) being parallel to each other.

4. The combined battery block testing device as described in claim 3, characterized in that, The limiting member (131) has two second guide surfaces (137) that are adapted to the first guide surface (136) near the connecting member (133), and the first guide surface (136) and the second guide surface (137) abut against each other; When the connector (133) moves along the width direction of the limiting plate (11), the second guide surface (137) pushes the first guide surface (136) so that the limiting member (131) and the guide plate (12) move towards each other.

5. The combined battery block testing device as described in claim 3, characterized in that, The drive member (132) has a through oblique hole (14) in the middle that matches the connector (133). When the driving member (132) retracts toward the center of the limiting plate (11), the inclined surface (110) pushes the connecting member (133) to move along the width direction of the limiting plate (11).

6. The combined battery block testing device as described in claim 1, characterized in that, The limiting plate (11) has a positioning groove at each end in the width direction, and the width of the positioning groove is not less than the width of the guide plate (12).

7. The combined battery block testing device as described in claim 1, characterized in that, The bottom wall of the extension rod (134) is provided with a protrusion (139) that matches the groove (20) on the surface of the rectangular battery block (2). When the limiting plate (11) abuts against the surface of the rectangular battery block (2), the protrusion (139) is adapted to be inserted into the groove (20).

8. The combined battery block testing device as described in claim 1, characterized in that, The length and width of the limiting plate (11) are consistent with the width of the rectangular battery block (2) and the length and width of two adjacent rectangular battery blocks (2).

9. A detection method for a combined battery block detection device, characterized in that, The detection method using the combined battery block detection device as described in any one of claims 1-8 includes: Two rectangular battery blocks (2) are placed horizontally at the assembly station (3), with their sidewalls abutting each other; Adjust the limiting structure (1) downwards until it abuts against the rectangular battery block (2); The metal frame (4) moves downward to pass over the adjusting limit structure (1) and is fitted onto the outer wall of the combined body composed of two rectangular battery blocks (2); When the metal frame (4) presses down on the guide plate (12): The guide plate (12) retracts towards the center of the limiting plate (11), guiding the metal frame (4) to move downward in the center; When the two guide plates (12) retract inward, they drive the two limiting components (13) to move towards each other, and the two limiting components (13) clamp the two rectangular battery blocks (2) to eliminate the gap.

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