Polymer soft package battery appearance detection device based on CCD vision

Abstract

The utility model relates to the technical field of visual inspection equipment, in particular to a polymer soft package battery appearance inspection device based on CCD (Charge Coupled Device) vision, which comprises a rack, a first CCD visual inspection camera module and a second CCD visual inspection camera module are arranged on the rack, each group of CCD visual inspection camera module at least comprises a CCD visual inspection camera, the two groups of CCD visual detection camera modules are respectively and movably arranged on the rack, the rack further comprises a carrying platform for placing a battery to be detected, visual detection points of the two groups of CCD visual detection camera modules are obliquely arranged relative to the battery to be detected, and one group of CCD visual detection camera modules is vertical to the battery to be detected. According to the utility model, the two groups of CCD visual detection camera modules are arranged in different directions, so that the appearance of the to-be-detected soft package battery can be photographed in all directions, and the detection process can be carried out only by fixing the to-be-detected battery on the object carrying platform, and excessive manual cooperation is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to visual inspection equipment technical field, concretely relates to a polymer soft package battery appearance detection device based on CCD vision. BACKGROUND

[0002] The soft package lithium battery is a liquid lithium ion battery with a polymer shell, and due to the fact that the existing conventional soft package battery structure is mainly packaged by a single layer of aluminum plastic film, this structure mode often causes poor packaging effect due to factors such as packaging equipment stability, aluminum plastic film quality stability, production control, etc. in the actual production process, in addition, during the charging and discharging process of the battery, gas is produced and expanded, and in severe cases, the aluminum plastic film may even be expanded, causing the internal environment of the lithium battery to contact the external environment, thereby causing safety accidents. Therefore, the appearance of the battery needs to be detected after processing to determine whether there are defects in the appearance of the battery.

[0003] The prior art discloses a utility model patent with publication number CN220730071U and the patent name of a battery appearance CCD detection device, which specifically discloses an operating arm and an imaging device, the operating arm is fixedly connected with a fixed steel plate at the end, the fixed steel plate is fixedly connected with the imaging device, the imaging device is at least two groups, each group contains at least one 2D camera group and at least one 3D camera group, the imaging device is placed below the light curtain sensing device, the light curtain sensing device is fixed on the workbench, and the workpiece passes through the hollow position of the light curtain sensing device.

[0004] The above-mentioned scheme accurately identifies the post-welding condition of the battery connecting piece through visual inspection equipment, quickly screens out defective battery connecting pieces and prevents the imaging equipment from colliding with the workpiece, thereby improving the efficiency and safety of defective product screening. However, the visual inspection equipment for image detection of the battery in this scheme has a very small movable range, it is very difficult to identify the damage of the top and bottom corners of the soft package battery, and there is a risk of defective product outflow.

[0005] Therefore, a polymer soft package battery appearance detection device based on CCD vision is needed to solve the above-mentioned problems. SUMMARY

[0006] Technical problem to be solved

[0007] In view of the above-mentioned shortcomings of the prior art, the utility model provides a polymer soft package battery appearance detection device based on CCD vision, which can effectively solve the problems of low detection efficiency and low automation degree of the existing soft package battery, and the risk of defective product outflow.

[0008] Technical scheme

[0009] To achieve the above-mentioned purposes, the utility model realizes the following technical scheme:

[0010] The utility model provides a polymer soft package battery appearance detection device based on CCD vision, including frame, be equipped with first CCD vision detection camera module and second CCD vision detection camera module on the frame, each group CCD vision detection camera module includes at least one CCD vision detection camera, and two groups of CCD vision detection camera module respectively active installation on the frame, still include a for placing the object platform of battery of measuring on the frame, the vision detection point of two groups of CCD vision detection camera module and the battery of measuring are set up and one group of CCD vision detection camera module and the battery of measuring are perpendicular.

[0011] Further, a door-shaped frame is arranged on the frame, and the first CCD vision detection camera module and the second CCD vision detection camera module are respectively installed above and below the inner side of the door-shaped frame.

[0012] Further, the first CCD vision detection camera module includes a first fixed frame and a first movable block, the first fixed frame can slide along the front and back direction of the door-shaped frame, the first movable block is movably installed at the lower end of the first fixed frame, and the moving direction of the first movable block is perpendicular to the moving direction of the first fixed frame, wherein a first adjusting support is arranged at the front end of the first movable block, and a CCD vision detection camera is detachably fixed on the first adjusting support.

[0013] Further, the first adjusting support includes a first adjusting rod and a first adjusting block, the first adjusting rod is vertically fixed at the front end of the second movable block, the first adjusting block is sleeved on the first adjusting rod and can linearly move along the axial direction of the first adjusting rod, wherein a second adjusting rod is vertically inserted into the first adjusting block above the first adjusting rod, a second adjusting block is sleeved on the second adjusting rod, and the CCD vision detection camera is slidably installed on the second adjusting block.

[0014] Further, two first adjusting supports are arranged on the frame.

[0015] Further, the second CCD vision detection camera module includes a second fixed frame and a second movable block, the second fixed frame can slide along the length direction of the door-shaped frame, the second movable block is movably installed at the upper end of the second fixed frame, and the moving direction of the second movable block is the same as the moving direction of the second fixed frame, wherein a second adjusting support is vertically arranged at the upper end of the second movable block, and a CCD vision detection camera is detachably fixed on the second adjusting support.

[0016] Further, the second adjusting support comprises a third adjusting rod and a third adjusting block, the third adjusting rod is vertically fixed at the side end of the second movable block; the third adjusting block is sleeved on the third adjusting rod and can linearly move along the axial direction of the third adjusting rod; wherein, a fourth adjusting rod is vertically inserted on one side of the second adjusting block, a fourth adjusting block is sleeved on the fourth adjusting rod, and the CCD visual detection camera is slidingly installed on the fourth adjusting block.

[0017] Further, the second adjusting support is provided with two, and the two second adjusting supports are symmetrically distributed on the rack.

[0018] Further, the first adjusting rod, the second adjusting rod, the third adjusting rod and the fourth adjusting rod are provided with scale lines.

[0019] Beneficial effects

[0020] The technical scheme provided by the utility model has the following beneficial effects compared with the prior art:

[0021] The utility model discloses a two groups of CCD visual detection camera modules are set up, two CCD visual detection cameras are set up in each group of CCD visual detection camera modules, and the different orientation settings of the two groups of CCD visual detection camera modules can take photos all directions to the appearance of the soft package battery to be measured, the detection device in the scheme is simple to operate, and only needs to fix the battery to be measured on the object platform to carry out the detection procedure, so that the automatic degree is high without too much manual cooperation, and detection work can be efficiently completed. DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0023] Figure 1 It is the overall schematic view of the appearance detection structure in the embodiment of the utility model;

[0024] Figure 2 It is the rear side view schematic view of the appearance detection structure in the embodiment of the utility model;

[0025] Figure 3 It is the first CCD visual detection camera module schematic view in the embodiment of the utility model;

[0026] Figure 4 It is the second CCD visual detection camera module schematic view in the embodiment of the utility model.

[0027] The reference numerals in the drawings represent respectively:

[0028] 1, frame; 10, first CCD visual inspection camera module; 101, first fixed frame; 102, first movable block; 103, first adjusting support; 1031, first adjusting rod; 1032, first adjusting block; 1033, second adjusting rod; 1034, second adjusting block; 11, second CCD visual inspection camera module; 111, second fixed frame; 112, second movable block; 113, second adjusting support; 1131, third adjusting rod; 1132, third adjusting block; 1133, fourth adjusting rod; 1134, fourth adjusting block. DETAILED DESCRIPTION

[0029] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0030] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] In the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "below" the second feature, which can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0032] In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description, and have no special meaning.

[0033] The present application will be further described below in conjunction with the embodiments.

[0034] Embodiment 1

[0035] Referring to the drawings Figures 1-4 The present application proposes a polymer soft-pack battery appearance detection device based on CCD vision, which comprises a rack 1, the rack 1 is provided with a first CCD vision detection camera module 10 and a second CCD vision detection camera module 11, in the present embodiment, each group of CCD vision detection camera module comprises two CCD vision detection cameras, the vision collection directions of the two CCD vision detection cameras in the same group are the same, the rack 1 further comprises a load platform 2 for placing the battery to be detected, the vision detection points of the two groups of CCD vision detection camera modules are inclined to the battery to be detected, and one of the two groups of CCD vision detection camera modules is perpendicular to the battery to be detected.

[0036] During detection, after the staff places the battery to be detected on the load platform 2 for fixation, the appearance photos of the battery to be detected are collected by the first CCD vision detection camera module 10 and the second CCD vision detection camera module 11, and then it is analyzed whether the battery has wrinkles or defects.

[0037] In the present embodiment, the upper end of the rack 1 is vertically provided with a door-shaped frame 12, and the first CCD vision detection camera module 10 and the second CCD vision detection camera module 11 are respectively installed on the inner side of the door-shaped frame 12.

[0038] Referring to the drawings Figure 2 Specifically, the first CCD vision detection camera module 10 comprises a first fixed frame 101 and a first movable block 102, the first fixed frame 101 can slide along the front and rear directions of the door-shaped frame 12, two parallel arranged guide rails are fixed on the inner side of the upper end surface of the door-shaped frame 12, and the first fixed frame 101 is slidingly installed on the guide rails.

[0039] The lower end of the first fixed frame 101 is also provided with a guide rail, and the first movable block 102 is movably installed on the guide rail. It should be noted that the guide rail provided at the lower end of the first fixed frame 101 is perpendicular to the setting direction of the guide rail provided on the door-shaped frame 12 for moving the first fixed frame 101, so that the moving direction of the first movable block 102 and the first fixed frame 101 is perpendicular, realizing the horizontal and vertical movement of the CCD visual detection camera. Through the sliding and rotating characteristics of the first CCD visual detection camera module 10, the camera can be moved to different positions for imaging, so that the appearance of the soft-pack battery to be tested can be photographed in all directions.

[0040] Referring to the accompanying drawings Figure 3 A first adjusting support 103 is arranged at the front end of the first movable block 102, and a CCD visual detection camera is detachably fixed on the first adjusting support 103.

[0041] Specifically, the first adjusting support 103 includes a first adjusting rod 1031 and a first adjusting block 1032. The first adjusting rod 1031 is fixed vertically at the front end of the second movable block 102, and the first adjusting block 1032 is sleeved on the first adjusting rod 1031 and can move linearly along the axis direction of the first adjusting rod 1031.

[0042] It should be noted that the first adjusting block 1032 in the embodiment is provided with a fastening screw. When the required position is adjusted, the fastening screw is tightened to fix the position of the first adjusting block 1032 on the first adjusting rod 1031.

[0043] It should be noted that the angle of the first adjusting block 1032 can be adjusted because the first adjusting block 1032 is movably sleeved on the first adjusting rod 1031, so that the visual collection angle of the CCD visual detection camera can be adjusted.

[0044] A second adjusting rod 1033 is vertically inserted above the first adjusting rod 1031 on the first adjusting block 1032, and a second adjusting block 1034 is sleeved on the second adjusting rod 1033. Similarly, the second adjusting block 1034 can be adjusted in height and in inclination angle on the second adjusting rod 1033, and the rear side of the CCD visual detection camera is slidably installed on the second adjusting block 1034 through a guide rail structure.

[0045] Embodiment 2:

[0046] Referring to the accompanying drawings Figure 2 Based on Embodiment 1, the first adjusting support 103 in Embodiment 1 is further described. In this scheme, two first adjusting supports 103 are provided, and the two first adjusting supports 103 are symmetrically distributed on the rack 1.

[0047] Refer to the attached drawings Figure 4 The second CCD visual inspection camera module 11 is similar in structure to the first CCD visual inspection camera module 10, but has a certain difference in the direction of movement.

[0048] The second CCD visual inspection camera module 11 includes a second fixed frame 111 and a second movable block 112. The lower end of the door-shaped frame 12 is provided with a guide rail structure arranged along the length direction of the door-shaped frame 12. The second fixed frame 111 can slide along the length direction of the door-shaped frame 12. The second CCD visual inspection camera module 11 can be moved to different positions for image capture by virtue of the sliding and rotating characteristics, so as to capture the appearance of the soft-pack battery from all directions.

[0049] The second movable block 112 is movably mounted at the upper end of the second fixed frame 111 and has the same direction of movement as the second fixed frame 111.

[0050] A second adjusting bracket 113 is vertically arranged at the upper end of the second movable block 112. A CCD visual inspection camera is detachably fixed on the second adjusting bracket 113.

[0051] The second adjusting bracket 113 includes a third adjusting rod 1131 and a third adjusting block 1132. The third adjusting rod 1131 is vertically fixed at the side end of the second movable block 112.

[0052] The third adjusting block 1132 is sleeved on the third adjusting rod 1131 and can linearly move along the axis direction of the third adjusting rod 1131. Similarly, the angle of the third adjusting block 1132 can also be adjusted.

[0053] A fourth adjusting rod 1133 is vertically inserted at one side of the third adjusting rod 1131 on the third adjusting block 1132. A fourth adjusting block 1134 is sleeved on the fourth adjusting rod 1133. The angle of the fourth adjusting block 1134 can also be adjusted. The lower end of the fourth adjusting block 1134 in the embodiment is provided with a guide rail structure. A CCD visual inspection camera is slidably mounted at the lower end guide rail position of the fourth adjusting block 1134.

[0054] Embodiment 3:

[0055] Refer to the attached drawings Figure 4 In the above embodiments, the fastening screw structure is arranged on the adjustable components (including adjusting rods and guide rail structures). After adjustment, the current position is locked by tightening the fastening screw.

[0056] The second adjusting bracket 113 is provided with two second adjusting brackets 113, which are symmetrically distributed on the rack 1.

[0057] Refer to the attached drawings Figure 4 In addition, in order to conveniently observe and adjust the distance, scale lines are arranged on the first adjusting rod 1031, the second adjusting rod 1033, the third adjusting rod 1131 and the fourth adjusting rod 1133, so that in appearance detection of soft package batteries of different sizes and appearances, the appearance detection requirements of different soft package batteries can be adjusted, and the moving ranges of the two groups of visual detection camera modules are kept according to the scale lines to detect the soft package batteries of the same batch, without additional adjustment, and the detection efficiency is improved.

[0058] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1.A device for detecting appearance of a polymer soft-pack battery based on CCD vision, characterized in that, The utility model relates to a battery visual inspection device, including frame (1), first CCD visual inspection camera module (10) and second CCD visual inspection camera module (11) are equipped on frame (1), each group CCD visual inspection camera module includes at least one CCD visual inspection camera, and two groups of CCD visual inspection camera module are respectively installed on frame (1) movably, still including one for placing the object platform (2) of battery to be measured on frame (1), the visual inspection point of two groups of CCD visual inspection camera module is with the battery to be measured and is arranged in the tilt, and one group of CCD visual inspection camera module is perpendicular to the battery to be measured. 2.The polymer soft-pack battery appearance detection device based on CCD vision of claim 1, wherein, The frame (1) is provided with a door type frame (12), and the first CCD visual inspection camera module (10) and the second CCD visual inspection camera module (11) are respectively installed on the inner side of the door type frame (12) and below. 3.The device according to claim 2, wherein, The first CCD visual inspection camera module (10) comprises: A first fixed frame (101) can be guided and slid along the front and back directions of the door type frame (12); A first movable block (102) is movably installed at the lower end of the first fixed frame (101), and the moving direction of the first movable block (102) is perpendicular to the moving direction of the first fixed frame (101); The first adjusting support (103) is provided with a first adjusting rod (1031) vertically fixed at the front end of the first movable block (102); 4.The device according to claim 3, characterized in that, A first adjusting block (1032) is sleeved on the first adjusting rod (1031) and can linearly move along the axis direction of the first adjusting rod (1031); The first adjusting block (1032) is vertically inserted with a second adjusting rod (1033) above the first adjusting rod (1031), a second adjusting block (1034) is sleeved on the second adjusting rod (1033), and the CCD visual inspection camera is guided and slidably installed on the second adjusting block (1034). The first adjusting support (103) is provided with two first adjusting supports (103) symmetrically distributed on the frame (1). The second CCD visual inspection camera module (11) comprises: 5.The device for appearance detection of polymer soft-pack battery based on CCD vision of claim 4, characterized in that, A second fixed frame (111) can be guided and slid along the length direction of the door type frame (12); 6.The device according to claim 5, wherein, A second movable block (112) is movably installed at the upper end of the second fixed frame (111), and the moving direction of the second movable block (112) is the same as the moving direction of the second fixed frame (111); The second adjusting support (113) is provided with a second adjusting rod (1133) vertically inserted above the second adjusting rod (1031), a second adjusting block (1134) is sleeved on the second adjusting rod (1133), and the CCD visual inspection camera is guided and slidably installed on the second adjusting block (1134). The second adjusting support (113) comprises: ​ 7.The device according to claim 6, wherein, ​ A third adjusting rod (1131) is vertically fixed at the side end of the second movable block (112); A third adjusting block (1132) is sleeved on the third adjusting rod (1131) and can linearly move along the axis direction of the third adjusting rod (1131); Wherein, a fourth adjusting rod (1133) is vertically inserted on one side of the third adjusting block (1132) and a fourth adjusting block (1134) is sleeved on the fourth adjusting rod (1133), and the CCD visual detection camera is slidingly installed on the fourth adjusting block (1134). 8.The device according to claim 7, wherein, The second adjusting support (113) is provided with two, and the two second adjusting supports (113) are symmetrically distributed on the rack (1). 9.The device according to claim 8, wherein, The first adjusting rod (1031), the second adjusting rod (1033), the third adjusting rod (1131) and the fourth adjusting rod (1133) are provided with scale lines.

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