Industrial CT (Computed Tomography) equipment for automatic corner scanning analysis of square battery

Abstract

The utility model relates to the technical field of industrial CT (Computed Tomography) nondestructive testing, and discloses industrial CT equipment for automatic corner scanning analysis of a square battery, which comprises a protective box body, an internal structure is arranged in the protective box body, and the internal structure comprises a detector module, a sample table module and a radiation source module. According to the industrial CT equipment for automatic corner scanning analysis of the square battery, the protective box body and the internal detection mechanism are adopted in the scheme, each mechanical shaft of the internal detection mechanism adopts a servo motor and precise lead screw mechanism, and a photoelectric sensor is matched, so that precise movement of the equipment is realized, and the requirement of detection precision is met; after one corner of the battery is scanned, the battery is automatically rotated by 90 degrees, and the measured corner is moved to the rotation center, so that the whole battery cell (or pole core) can be scanned by one-time feeding, and the problem that the defective battery has great potential safety hazards in the use process due to the fact that the battery with internal defects is placed into a battery pack is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial CT nondestructive testing, in particular to an industrial CT device for automatic corner scanning and analysis of square batteries. Background Art

[0002] The square battery is also known as the power battery. As the power source of new energy vehicles, it is the most important system in the whole vehicle, accounting for 30% to 40% of the total vehicle cost. This is also the iconic component that distinguishes it from other traditional fuel vehicles. The heart of a traditional fuel vehicle is the engine, and the heart of a new energy vehicle is the power battery.

[0003] However, the following problems still exist in the actual operation process: after the battery packaging process, the internal structure of the new energy battery cannot be detected, and then the battery with internal defects is placed in the battery pack. During use, the problematic batteries pose a major safety hazard. For this reason, the utility model provides an industrial CT device for automatic corner scanning and analysis of square batteries. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides an industrial CT device for automatic corner scanning and analysis of square batteries, which has the advantages of being able to scan the entire battery cell (or pole core) after loading once, and using CT scanning to see through the internal structural information and projected images of the product, and the software automatically reconstructing 3D graphics, thereby solving the problems raised in the background technology.

[0005] The utility model provides the following technical solution: an industrial CT device for automatic corner scanning and analysis of square batteries, comprising a protective box, an internal structure is arranged inside the protective box, the internal structure comprises a detector module, a sample stage module and a ray source module, the sample stage module comprises a turntable X-axis, a turntable Y-axis, a sample stage X-axis, a sample stage Y-axis, a battery clamp and a turntable, the top of the internal structure is provided with a turntable X-axis, the top of the turntable X-axis is provided with a turntable Y-axis, the inside of the turntable Y-axis is slidably connected with a turntable, the top of the turntable is provided with a sample stage X-axis, the outer wall of the sample stage X-axis is provided with a sample stage Y-axis, and the top of the sample stage Y-axis is provided with a battery clamp.

[0006] Preferably, the protective box includes an electric front door, a three-color light, lead glass, a control area, a small maintenance door and an equipment rear door. The front of the protective box is provided with an electric front door, and the front of the electric front door is provided with lead glass.

[0007] Preferably, the detector module includes a detector X-axis, a detector Z-axis, a detector and a detector Y-axis, the detector X-axis is arranged on the top of the internal structure, the detector Z-axis is arranged on the side of the detector X-axis, the detector Y-axis is arranged on the side of the detector Z-axis, and the detector is fixedly installed on the side of the detector Y-axis.

[0008] Preferably, the ray source module includes a ray source, a counterweight, a ray source Z-axis and a ray source angle adjustment structure. The counterweight is arranged on the side of the ray source module, the ray source Z-axis is arranged on the side of the ray source module, the ray source angle adjustment structure is arranged on the side of the ray source Z-axis, and the ray source is fixedly connected to the side of the ray source angle adjustment structure.

[0009] Preferably, a control area is provided on the front of the protection box, and a three-color light is provided on the top of the protection box.

[0010] Preferably, a small maintenance door is provided on the left side of the back side of the protection box body, and an equipment rear door is provided on the left side of the back side of the protection box body.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The industrial CT equipment for automatic corner scanning and analysis of square batteries is powered on and connected to the host computer. The door opening button in the control area is pressed, and the electric front door is opened. At this time, the three-color light is green, and the Y axis of the turntable automatically moves to the front. The user places the square battery on the battery fixture, and then presses the door closing button in the control area. The electric front door is closed, and the three-color light is yellow. The user operates the software to turn on the radiation source, and the three-color light is red. The scanning process is run, and the automatic corner structure runs automatically, quickly completing the square battery detection. After scanning the four corners, the scanning results are automatically output, and the turntable Y axis automatically moves To the front, the user presses the door opening button in the control area, removes the sample, and waits for the next test. This solution is composed of a protective box and an internal detection mechanism. Each mechanical axis of the internal detection mechanism adopts a servo motor plus a precision screw mechanism, and cooperates with a photoelectric sensor to achieve precise movement of the equipment to meet the requirements of detection accuracy. After the scanning of one corner of the battery is completed, it will automatically rotate 90° and move the measured angle to the center of rotation, so that the entire battery cell (or pole core) can be scanned in one loading, avoiding the problem of internal defective batteries being placed in the battery pack, resulting in major safety hazards during use of the problematic batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0014] Figure 2 For this utility model Figure 1 Schematic diagram of the rear structure;

[0015] Figure 3 This is a schematic diagram of the motion structure of the utility model;

[0016] Figure 4 This is the ray source adjustment diagram of the utility model;

[0017] Figure 5 For this utility model Figure 1 Schematic diagram of the front and side structure.

[0018] In the figure: 1. Protective box; 1-1. Electric front door; 1-2. Three-color light; 1-3. Lead glass; 1-4. Control area; 1-5. Maintenance door; 1-6. Equipment back door; 2. Internal structure; 3. Detector module; 3-1. Detector X-axis; 3-2. Detector Z-axis; 3-3. Detector; 3-4. Detector Y-axis; 4. Sample stage module; 4-1. Turntable X-axis; 4-2. Turntable Y-axis; 4-3. Sample stage X-axis; 4-4. Sample stage Y-axis; 4-5. Battery clamp; 4-6. Turntable; 5. Radiation source module; 5-1. Radiation source; 5-2. Counterweight; 5-3. Radiation source Z-axis; 5-4. Radiation source angle adjustment structure. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4An industrial CT device for automatic corner scanning and analysis of square batteries comprises a protective box 1, an internal structure 2 is arranged inside the protective box 1, the internal structure 2 comprises a detector module 3, a sample stage module 4 and a ray source module 5, the sample stage module 4 comprises a turntable X-axis 4-1, a turntable Y-axis 4-2, a sample stage X-axis 4-3, a sample stage Y-axis 4-4, a battery clamp 4-5 and a turntable 4-6, a turntable X-axis 4-1 is arranged on the top of the internal structure 2, a turntable Y-axis 4-2 is arranged on the top of the turntable X-axis 4-1, a turntable 4-6 is slidably connected inside the turntable Y-axis 4-2, a sample stage X-axis 4-3 is arranged on the top of the turntable 4-6, a sample stage Y-axis 4-4 is arranged on the outer wall of the sample stage X-axis 4-3, a battery clamp 4-5 is arranged on the top of the sample stage Y-axis 4-4, and the turntable X-axis 4-1 is responsible for adjusting the distance between the turntable 4-6 and the ray source 5-1 and thus adjusting the magnification ratio. The turntable Y-axis 4-2 adjusts the relative position of the rotation center of the turntable 4-6 and the radiation source 5-1, thereby performing different process scans; another function is that when the scan is completed, the turntable Y-axis 4-2 automatically moves to the front to facilitate the user to remove the sample from the battery fixture 4-5. When the scan of one corner of the sample is completed, it automatically turns to the next corner, and the position of the sample corner changes relative to the position of the rotation center. The sample stage X-axis 4-3 automatically moves the corner to the rotation center. When the thickness of the measured sample changes, the thickness center and the rotation center deviate, and the sample stage Y-axis 4-4 adjusts the center and the rotation center to coincide. The battery fixture 4-5 tightens the battery so that the battery will not fall when rotating 360°. The turntable 4-6 is responsible for driving the battery rotation center to rotate 360°.

[0021] The protective box 1 includes an electric front door 1-1, a three-color light 1-2, lead glass 1-3, a control area 1-4, a small maintenance door 1-5 and an equipment back door 1-6. The front of the protective box 1 is provided with an electric front door 1-1, and the front of the electric front door 1-1 is provided with lead glass 1-3. The user controls the switch of the electric front door 1-1 through the switch button of the control area 1-4, and observes the real-time status of the sample through the lead glass 1-3. In case of emergency, press the emergency stop button of the control area 1-4 to stop the movement of the equipment. The user can observe the current status of the equipment through the three-color light 1-2. The main function of the three-color light is to To display the current status of the equipment, the three-color light is green when the front door or the rear door is not closed, and the radiation source is not allowed to be turned on in the current status; the three-color light is yellow when all doors are closed, and the equipment is allowed to be turned on but is not turned on in the current status; when the radiation source is turned on, the three-color light is red. The front and rear doors are interlocked with access control. The access control interlock is a safety device for the front and rear protective doors, which ensures that the radiation source can be used normally only after the protective doors are closed. If any of the front and rear protective doors are accidentally opened during operation, the radiation source will automatically stop working. When the equipment fails or maintenance is required, the operator enters the equipment through the maintenance door 1-5.

[0022] Among them, the detector module 3 includes a detector X-axis 3-1, a detector Z-axis 3-2, a detector 3-3 and a detector Y-axis 3-4. The detector X-axis 3-1 is arranged on the top of the internal structure 2, the detector Z-axis 3-2 is arranged on the side of the detector X-axis 3-1, the detector Y-axis 3-4 is arranged on the side of the detector Z-axis 3-2, and the detector 3-3 is fixedly installed on the side of the detector Y-axis 3-4. The main function of the detector X-axis 3-1 is to adjust the distance between the ray source 5-1 and the detector 3-3, and then adjust the amplification ratio. After replacing the battery, the battery length changes and the vertical height of the measured angle changes. The measured angle is adjusted to the center of the field of view of the detector 3-3 by adjusting the detector Z-axis 3-2. The detector Y-axis 3-4 mainly adjusts the relative position of the detector 3-3 to the ray source 5-1, and then performs different process scans.

[0023] Among them, the ray source module 5 includes a ray source 5-1, a counterweight 5-2, a ray source Z axis 5-3 and a ray source angle adjustment structure 5-4. The ray source module 5 is provided with a counterweight 5-2 on the side. The counterweight 5-2 mainly balances the weight of the ray source in front to prevent the cantilever structure from deforming due to long time. After replacing the battery, the battery length changes and the vertical height of the measured angle changes. The measured angle is adjusted to the center of the ray source 5-1 by adjusting the ray source Z axis 5-3. When the ray source 5-1 and the detector 3-3 are not installed in parallel, the ray source angle adjustment structure 5-4 is adjusted to be parallel to the detector 3-3. The ray source Z axis 5-3 is provided on the side of the ray source module 5, and the ray source angle adjustment structure 5-4 is provided on the side of the ray source Z axis 5-3. The ray source 5-1 is fixedly connected to the side of the ray source angle adjustment structure 5-4.

[0024] Among them, a control area 1-4 is arranged on the front of the protection box 1, and a three-color light 1-2 is arranged on the top of the protection box 1.

[0025] Among them, a small maintenance door 1-5 is arranged on the left side of the back side of the protection box body 1, and an equipment rear door 1-6 is arranged on the left side of the back side of the protection box body 1.

[0026] Working principle: During operation, after the equipment is powered on, the connection with the host computer is completed. The door opening button of the control area 1-4 is pressed, and the electric front door 1-1 is opened. At this time, the three-color light 1-2 is green, and the turntable Y-axis 4-2 automatically moves to the front. The user places the square battery on the battery fixture 4-5, and then presses the door closing button of the control area 1-4. The electric front door 1-1 is closed. At this time, the three-color light 1-2 is yellow. The user operates the software to turn on the ray source. At this time, the three-color light 1-2 is red, and the scanning process is run. At this time, the automatic corner structure runs automatically, and the square battery component detection is completed quickly. After scanning the four corners, the scanning results are automatically output, and the turntable Y-axis 4-2 automatically moves to the front. The user presses the door opening button of the control area 1-4, removes the sample, and waits for the next test.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An industrial CT device for automatic corner scanning and analysis of square batteries, characterized in that: The invention comprises a protective box (1), wherein an internal structure (2) is arranged inside the protective box (1), wherein the internal structure (2) comprises a detector module (3), a sample stage module (4) and a ray source module (5), wherein the sample stage module (4) comprises a turntable X-axis (4-1), a turntable Y-axis (4-2), a sample stage X-axis (4-3), a sample stage Y-axis (4-4), a battery fixture (4-5) and a turntable (4-6), and wherein the internal structure (2 ) is provided with a turntable X-axis (4-1) at the top, a turntable Y-axis (4-2) is provided at the top of the turntable X-axis (4-1), a turntable (4-6) is slidably connected inside the turntable Y-axis (4-2), a sample stage X-axis (4-3) is provided at the top of the turntable (4-6), a sample stage Y-axis (4-4) is provided on the outer wall of the sample stage X-axis (4-3), and a battery clamp (4-5) is provided at the top of the sample stage Y-axis (4-4).

2. The industrial CT device for automatic corner scanning and analysis of square batteries according to claim 1 is characterized in that: The protective box (1) comprises an electric front door (1-1), a three-color lamp (1-2), lead glass (1-3), a control area (1-4), a small maintenance door (1-5) and an equipment rear door (1-6); the front of the protective box (1) is provided with the electric front door (1-1), and the front of the electric front door (1-1) is provided with lead glass (1-3).

3. The industrial CT device for automatic corner scanning and analysis of square batteries according to claim 1 is characterized in that: The detector module (3) comprises a detector X-axis (3-1), a detector Z-axis (3-2), a detector (3-3) and a detector Y-axis (3-4); the detector X-axis (3-1) is arranged at the top of the internal structure (2); the detector Z-axis (3-2) is arranged on the side of the detector X-axis (3-1); the detector Y-axis (3-4) is arranged on the side of the detector Z-axis (3-2); and the detector (3-3) is fixedly mounted on the side of the detector Y-axis (3-4).

4. The industrial CT device for automatic corner scanning and analysis of square batteries according to claim 1 is characterized in that: The ray source module (5) comprises a ray source (5-1), a counterweight (5-2), a ray source Z axis (5-3) and a ray source angle adjustment structure (5-4); the ray source module (5) is provided with a counterweight (5-2) on its side; the ray source Z axis (5-3) is provided on its side; the ray source angle adjustment structure (5-4) is provided on its side of the ray source Z axis (5-3); and the ray source (5-1) is fixedly connected to its side of the ray source angle adjustment structure (5-4).

5. The industrial CT device for automatic corner scanning and analysis of square batteries according to claim 2 is characterized in that: The front of the protection box (1) is provided with a control area (1-4), and the top of the protection box (1) is provided with a three-color lamp (1-2).

6. The industrial CT device for automatic corner scanning and analysis of square batteries according to claim 2 is characterized in that: A small maintenance door (1-5) is provided on the left side of the back side of the protection box (1), and an equipment rear door (1-6) is provided on the left side of the back side of the protection box (1).

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