CN220894213U - Nondestructive testing machine for internal defects of battery - Google Patents

Abstract

The utility model relates to the technical field of ultrasonic detection equipment, and provides a nondestructive detector for internal defects of a battery, which comprises: the device comprises a frame body, a box body arranged on the frame body, a lifting frame, a first transfer mechanism arranged on the frame body, an ultrasonic detection assembly for ultrasonic detection and a second transfer mechanism arranged on the frame body; the box body is provided with a concave cavity with an upward opening and used for containing liquid media for ultrasonic detection, and the lifting frame is provided with a placement position for installing a power supply; the first transfer mechanism can move the lifting frame to submerge the placement position in the liquid medium in the cavity; the second transfer mechanism may move the ultrasonic detection assembly to submerge the ultrasonic detection assembly in the liquid medium within the cavity and ultrasonically detect the battery at the placement location.

Description

Nondestructive testing machine for internal defects of battery

Technical Field

The utility model belongs to the technical field of ultrasonic detection equipment, and particularly relates to a nondestructive detector for internal defects of a battery.

Background

With the rapid development of new energy industry, the capacity of the battery is promoted to expand rapidly, however, in the production process of the battery, the battery can generate different types of defects due to materials, production process and the like, and the battery with quality defects is used, so that the battery can be burnt or exploded seriously, and has a certain danger, so that the quality safety test of the battery is particularly important. But batteries present significant challenges for their internal structure detection due to their closed packaging.

Ultrasonic detection is particularly important as a nondestructive detection technology, can be used for detecting the invisible surface and internal quality of a test piece, and is widely applied to various fields of medicine, industrial automation, petrochemical industry, aerospace and the like.

Battery technology is very widely used in modern electromechanical devices. The battery needs to be subjected to quality safety detection in the production process. The existing detection mode cannot detect and image the inside of the battery under the premise of not damaging the battery structure. Ultrasonic is one of the important means for nondestructive testing, and is not applied to the equipment for detecting the internal defects of the battery at present.

Disclosure of utility model

The utility model aims to provide a nondestructive testing machine for internal defects of a battery, so that the functions of comprehensively detecting the internal defects of the battery, scanning imaging and the like are realized under the condition of not damaging the structure of the battery, and the quality safety of the battery is guaranteed.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a battery internal defect nondestructive inspection machine including: the device comprises a frame body, a box body arranged on the frame body, a lifting frame, a first transfer mechanism arranged on the frame body, an ultrasonic detection assembly for ultrasonic detection and a second transfer mechanism arranged on the frame body; the box body is provided with a concave cavity with an upward opening and used for containing liquid media for ultrasonic detection, and the lifting frame is provided with a placement position for installing a power supply; the first transfer mechanism can move the lifting frame to submerge the placement position in the liquid medium in the cavity; the second transfer mechanism may move the ultrasonic detection assembly to submerge the ultrasonic detection assembly in the liquid medium within the cavity and ultrasonically detect the battery on the placement site.

Further, the lifting frame moves up and down in the vertical direction.

Further, the first transfer mechanism includes: an electric cylinder; the electric cylinder is provided with a lifting rod which stretches and moves in the vertical direction, and the lifting frame is fixed on the lifting rod.

Further, the number of the electric cylinders is two; the lifting rod of one electric cylinder is fixed at one end of the lifting frame, and the lifting rod of the other electric cylinder is fixed at the other end of the lifting frame.

Further, the method further comprises the following steps: and the clamping device is arranged on the lifting frame and used for clamping the battery on the placement position.

Further, the number of the clamps is one or more.

Further, the second transfer mechanism includes: a mobile station and a first driver for driving the mobile station to move horizontally and/or up and down; the ultrasonic detection assembly is arranged on the mobile station.

Further, the ultrasonic detection assembly includes: the ultrasonic device comprises a linear sliding rail, a first sliding frame, a second sliding frame, a first ultrasonic probe, a second ultrasonic probe and a second driver, wherein the linear sliding rail is arranged on the mobile station and horizontally, the first sliding frame is arranged on the linear sliding rail in a sliding mode, the second sliding frame is arranged on the linear sliding rail in a sliding mode and is arranged at intervals on the first sliding frame, the first ultrasonic probe is arranged on the first sliding frame, the second ultrasonic probe is arranged on the second sliding frame, and the second driver is used for driving the first sliding frame and the second sliding frame to be close to or far from each other; and a detection space for detecting the battery is formed between the first ultrasonic probe and the second ultrasonic probe at intervals.

Further, the first ultrasonic probe is detachably fixed on the first sliding frame, and the second ultrasonic probe is detachably fixed on the second sliding frame;

And/or the number of the first ultrasonic probes is one or more, and the number of the second ultrasonic probes is one or more.

Further, the method further comprises the following steps: the liquid inlet pipe is communicated with the concave cavity, the liquid outlet pipe is communicated with the concave cavity, and the temperature sensor is used for detecting the temperature of the liquid in the concave cavity;

And/or further comprising: the dehumidifier is arranged in the closed space on the frame body and used for dehumidifying the closed space; the box body is arranged in the closed space.

The nondestructive testing machine for the internal defects of the battery has the beneficial effects that: compared with the prior art, the nondestructive testing machine for the internal defects of the battery is characterized in that the frame body is provided with the box body, the box body is provided with the concave cavity, and the liquid medium for ultrasonic testing is stored in the concave cavity; the lifting frame is provided with a placement position on which the battery can be placed; the first transfer mechanism can move the lifting frame to enable the placement position to be immersed in the liquid medium in the concave cavity, and the battery is immersed in the liquid medium so as to facilitate subsequent ultrasonic detection; the second transfer mechanism can move the ultrasonic detection assembly into the liquid medium of the concave cavity, and the ultrasonic detection assembly moving into the liquid medium can carry out ultrasonic detection on the battery; because the battery can freely move along with the lifting frame, and the ultrasonic detection assembly can freely move along with the second transfer mechanism, the ultrasonic detection assembly and the battery are mutually matched to carry out comprehensive scanning detection on each position of the battery.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a nondestructive inspection machine for internal defects of a battery according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram illustrating the cooperation of a first transfer mechanism and a case according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram illustrating the cooperation of a first transfer mechanism and a second transfer mechanism according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram illustrating the cooperation of a first transfer mechanism according to an embodiment of the present utility model;

Fig. 5 is a schematic diagram of the cooperation of the second transfer mechanism according to the embodiment of the present utility model.

Wherein, each reference sign in the figure:

1-a frame body; 2-a box body; 21-a cavity; 22-a liquid inlet pipe; 23-a liquid outlet pipe; 24-a temperature sensor; 31-lifting frames; 32-a first transfer mechanism; 321-lifting rods; 33-a clamp; 4-an ultrasonic detection assembly; 41-a first ultrasound probe; 42-a second ultrasound probe; 43-detection space; 44-a first carriage; 45-a second carriage; 5-a second transfer mechanism; 51-mobile station; 52-a first driver; 61-battery.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be noted that, in the description of the embodiments of the present application, unless otherwise indicated, "/" means or, for example, a/B may represent a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. Wherein A and B may be singular or plural, respectively.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 5, a nondestructive inspection machine for internal defects of a battery according to the present utility model will now be described. The battery internal defect nondestructive testing machine comprises: the ultrasonic detection device comprises a frame body 1, a box body 2 arranged on the frame body 1, a lifting frame 31, a first transfer mechanism 32 arranged on the frame body 1, an ultrasonic detection assembly 4 for ultrasonic detection and a second transfer mechanism 5 arranged on the frame body 1; the box body 2 is provided with a concave cavity 21 which is upward in opening and used for containing liquid medium for ultrasonic detection, and the lifting frame 31 is provided with a placement position for installing the battery 61; the first transfer mechanism 32 can move the lifting frame 31 to submerge the placement site in the liquid medium within the cavity 21; the second transfer mechanism 5 can move the ultrasonic detection assembly 4 so that the ultrasonic detection assembly 4 is immersed in the liquid medium in the cavity 21 and ultrasonically detects the battery 61 placed on the stage.

Thus, the frame body 1 is provided with the box body 2, the box body 2 is provided with the concave cavity 21, and the concave cavity 21 is used for storing liquid media for ultrasonic detection; the lifting frame 31 is provided with a placement position on which the battery 61 can be placed; the first transfer mechanism 32 can move the lifting frame 31 so that the placement position is immersed in the liquid medium in the cavity 21, and the battery 61 is immersed in the liquid medium so as to perform subsequent ultrasonic detection; the second transfer mechanism 5 can move the ultrasonic detection assembly 4 into the liquid medium of the cavity 21, and the ultrasonic detection assembly 4 moved into the liquid medium can perform ultrasonic detection on the battery 61; because the battery 61 can freely move along with the lifting frame 31, and the ultrasonic detection assembly 4 can freely move along with the second transfer mechanism 5, the ultrasonic detection assembly 4 and the battery 61 are mutually matched to perform multi-point comprehensive detection on the battery 61.

In one embodiment, the liquid medium is an insulating liquid.

In one embodiment, the placement location may be any one of a space in which the battery 61 is placed, a chamber in which the battery 61 is placed, and a mounting surface to which the battery 61 is fixed.

In one embodiment, the first transfer mechanism 32 and the second transfer mechanism 5 may be controlled by a computer, respectively, the computer including a display screen, a keyboard, a mouse, and a host; the display screen is connected to the frame body 1 through a rotating bracket.

In one embodiment, the second transfer mechanism 5 may move the ultrasonic detection assembly 4 along any desired trajectory. In one embodiment, the second transfer mechanism 5 may move the ultrasonic detection assembly 4 left and right along the X-axis. In one embodiment, the second transfer mechanism 5 may move the ultrasonic detection assembly 4 up and down along the Z-axis.

Further, referring to fig. 1 to 5, as an embodiment of the nondestructive inspection apparatus for internal defects of a battery according to the present utility model, the elevating frame 31 is elevated and moved in a vertical direction. In this way, the lifting frame 31 can be lifted to submerge the placement position in the liquid medium or take out the placement position from the liquid medium, which is very convenient.

Further, referring to fig. 1 to 5, as an embodiment of the battery internal defect nondestructive inspection machine provided by the present utility model, the first transfer mechanism 32 includes: an electric cylinder; the electric cylinder has a lifting rod 321 that moves telescopically in the vertical direction, and the lifting frame 31 is fixed to the lifting rod 321. Thus, the lifting rod 321 is driven by the electric cylinder to lift and move, so that the lifting frame 31 can be driven to lift and move.

Further, referring to fig. 1 to 5, as a specific embodiment of the battery internal defect nondestructive testing machine provided by the present utility model, the number of electric cylinders is two; the lifting rod 321 of one electric cylinder is fixed at one end of the lifting frame 31, and the lifting rod 321 of the other electric cylinder is fixed at the other end of the lifting frame 31. Thus, the two ends of the lifting frame 31 are respectively lifted and moved by the electric cylinders, so that the two ends of the lifting rod 321 are more balanced in the lifting process.

Further, referring to fig. 1 to 5, as an embodiment of the battery internal defect nondestructive testing machine provided by the present utility model, further includes: a clamp 33 provided on the lifting frame 31 for clamping the battery 61 placed thereon. Thus, the clamper 33 can clamp and fix the battery 61 at the position.

In one embodiment, the clamp 33 may be a clip. In one embodiment, the gripper 33 may comprise: the first clamping piece, the second clamping piece and the driving assembly for driving the first clamping piece and the second clamping piece to clamp each other.

Further, referring to fig. 1 to 5, as an embodiment of the nondestructive inspection apparatus for internal defects of a battery according to the present utility model, the number of the grippers 33 is one or more.

Further, referring to fig. 1 to 5, as an embodiment of the battery internal defect nondestructive inspection machine provided by the present utility model, the second transfer mechanism 5 includes: a moving stage 51 and a first driver 52 for driving the moving stage 51 to move horizontally and/or to move up and down; the ultrasonic detection unit 4 is provided on the mobile station 51. In this way, the moving table 51 moves horizontally or vertically by the drive of the first driver 52.

In one embodiment, the second transferring mechanism 5 drives the moving stage 51 to move on the X axis through the X module. In one embodiment, the second transferring mechanism 5 drives the moving stage 51 to move on the Z axis through the Z module. In one embodiment, the X-die set employs a linear die set in combination with a servo motor. In one embodiment, the Z module employs a linear module in combination with a servo motor.

Further, referring to fig. 1 to 5, as an embodiment of the nondestructive inspection apparatus for internal defects of a battery according to the present utility model, the ultrasonic inspection assembly 4 includes: a linear slide rail provided on the moving stage 51 and horizontally provided, a first carriage 44 slidably provided on the linear slide rail, a second carriage 45 slidably provided on the linear slide rail and provided at an interval from the first carriage 44, a first ultrasonic probe 41 provided on the first carriage 44, a second ultrasonic probe 42 provided on the second carriage 45, and a second driver for driving the first carriage 44 and the second carriage 45 to approach or separate from each other; a detection space 43 for detecting the battery 61 is formed at an interval between the first ultrasonic probe 41 and the second ultrasonic probe 42. As such, the first carriage 44 and the second carriage 45 may also be relatively close to or far from each other along the slide rail; the first ultrasonic probe 41 is provided on the first carriage 44, and the second ultrasonic probe 42 is provided on the second carriage 45; the distance between the first and second ultrasonic probes 41 and 42 can be adjusted by the change of the distance between the first and second carriages 44 and 45.

In one embodiment, the first ultrasound probe 41 is secured to the first carriage 44 by a first mounting block. In one embodiment, the first mounting block is secured to the first carriage 44 by an embossed handle.

In one embodiment, the second ultrasound probe 42 is secured to the second carriage 45 by a second mounting block. In one embodiment, the second mounting block is secured to the second carriage 45 by an embossed handle.

Further, referring to fig. 1 to 5, as a specific embodiment of the battery internal defect nondestructive inspection machine provided by the present utility model, a first ultrasonic probe 41 is detachably fixed on a first carriage 44, and a second ultrasonic probe 42 is detachably fixed on a second carriage 45. In this way, the first and second ultrasonic probes 41 and 42 are easily attached and detached.

In one embodiment, the number of first ultrasound probes 41 is one or more and the number of second ultrasound probes 42 is one or more.

Further, referring to fig. 1 to 5, as an embodiment of the battery internal defect nondestructive testing machine provided by the present utility model, further includes: a liquid inlet pipe 22 communicated with the concave cavity 21, a liquid outlet pipe 23 communicated with the concave cavity 21, and a temperature sensor 24 for detecting the temperature of the liquid in the concave cavity 21. Thus, the liquid medium in the cavity 21 can be regulated by the liquid inlet pipe 22 and the liquid outlet pipe 23, and the temperature of the liquid medium in the cavity 21 can be detected by a user through the temperature sensor 24.

In one embodiment, the battery internal defect nondestructive inspection machine further comprises: the dehumidifier is arranged in the airtight space on the frame body 1 and is used for dehumidifying the airtight space; the case 2 is disposed in the closed space. In this way, the dehumidifier can dehumidify the closed space where the case 2 is located, that is, the dehumidifier can reduce the entry of moisture into the liquid medium in the case 2 to protect the battery 61.

In one embodiment, the lifting frame 31 is located in the above-mentioned closed space. In one embodiment, the ultrasonic detection assembly 4 is located within the enclosed space. In one embodiment, the first transfer mechanism 32 is located within the enclosed space. In one embodiment, the second transfer mechanism 5 is located within the aforementioned enclosed space.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims (10)

1. A battery internal defect nondestructive inspection machine, comprising: the device comprises a frame body, a box body arranged on the frame body, a lifting frame, a first transfer mechanism arranged on the frame body, an ultrasonic detection assembly for ultrasonic detection and a second transfer mechanism arranged on the frame body; the box body is provided with a concave cavity with an upward opening and used for containing liquid media for ultrasonic detection, and the lifting frame is provided with a placement position for installing a power supply; the first transfer mechanism can move the lifting frame to submerge the placement position in the liquid medium in the cavity; the second transfer mechanism may move the ultrasonic detection assembly to submerge the ultrasonic detection assembly in the liquid medium within the cavity and ultrasonically detect the battery at the placement location.

2. The machine for the nondestructive inspection of internal defects of a battery according to claim 1, wherein the lifter moves up and down in a vertical direction.

3. The battery internal defect nondestructive inspection machine of claim 2 wherein the first transfer mechanism comprises: an electric cylinder; the electric cylinder is provided with a lifting rod which stretches and moves in the vertical direction, and the lifting frame is fixed on the lifting rod.

4. The battery internal defect nondestructive inspection apparatus according to claim 3, wherein the number of the electric cylinders is two; the lifting rod of one electric cylinder is fixed at one end of the lifting frame, and the lifting rod of the other electric cylinder is fixed at the other end of the lifting frame.

5. The battery internal defect nondestructive inspection apparatus of claim 1, further comprising: and the clamping device is arranged on the lifting frame and used for clamping the battery on the placement position.

6. The machine of claim 5, wherein the number of grippers is one or more.

7. The battery internal defect non-destructive inspection machine according to claim 1, wherein said second transfer mechanism comprises: a mobile station and a first driver for driving the mobile station to move horizontally and/or up and down; the ultrasonic detection assembly is arranged on the mobile station.

8. The battery internal defect non-destructive inspection machine according to claim 7, wherein said ultrasonic inspection assembly comprises: the ultrasonic device comprises a linear sliding rail, a first sliding frame, a second sliding frame, a first ultrasonic probe, a second ultrasonic probe and a second driver, wherein the linear sliding rail is arranged on the mobile station and horizontally, the first sliding frame is arranged on the linear sliding rail in a sliding mode, the second sliding frame is arranged on the linear sliding rail in a sliding mode and is arranged at intervals on the first sliding frame, the first ultrasonic probe is arranged on the first sliding frame, the second ultrasonic probe is arranged on the second sliding frame, and the second driver is used for driving the first sliding frame and the second sliding frame to be close to or far from each other; and a detection space for detecting the battery is formed between the first ultrasonic probe and the second ultrasonic probe at intervals.

9. The battery internal defect nondestructive inspection apparatus of claim 8 wherein the first ultrasonic probe is removably secured to the first carriage and the second ultrasonic probe is removably secured to the second carriage;

And/or the number of the first ultrasonic probes is one or more, and the number of the second ultrasonic probes is one or more.

10. The battery internal defect nondestructive inspection apparatus of claim 1, further comprising: the liquid inlet pipe is communicated with the concave cavity, the liquid outlet pipe is communicated with the concave cavity, and the temperature sensor is used for detecting the temperature of the liquid in the concave cavity;

And/or further comprising: the dehumidifier is arranged in the closed space on the frame body and used for dehumidifying the closed space; the box body is arranged in the closed space.