CN218937304U - Battery cell size detection device - Google Patents
Battery cell size detection device Download PDFInfo
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- CN218937304U CN218937304U CN202222939353.0U CN202222939353U CN218937304U CN 218937304 U CN218937304 U CN 218937304U CN 202222939353 U CN202222939353 U CN 202222939353U CN 218937304 U CN218937304 U CN 218937304U
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides a battery cell size detection device which comprises a positioning mounting plate, wherein the bottom of the positioning mounting plate is connected with a connecting plate, the bottom of one side of the connecting plate is connected with a supporting plate, the bottom of the supporting plate is connected with a bearing plate, the bottom of the bearing plate is connected with a movable box, the side part of the positioning mounting plate is connected with a surface light source sliding groove body and a backlight source sliding groove body, the bottom of the surface light source sliding groove body is in sliding connection with a surface light source, the top of the surface light source is detachably connected with a camera lens, the bottom of the backlight source sliding groove body is in sliding connection with two groups of backlight source installation frames, and a backlight source device is connected in the backlight source installation frames in a plugging manner. The beneficial effects are that: the stability of the battery cell size detection device in use and the accuracy in detection are effectively improved; the battery cell size detection device can be applied to a plurality of groups of model assembly lines, and has high adjustability; the user can conveniently complete the replacement work of the later-period lamp.
Description
Technical Field
The utility model relates to the technical field of detection devices, in particular to a battery cell size detection device.
Background
The cell refers to an electrochemical cell containing a positive electrode and a negative electrode, and is not generally used directly. The battery is different from the battery which comprises a protection circuit and a shell, and can be directly used. With the development of energy technology, the existing electronic equipment needs a mobile power supply such as a battery to supply power to the equipment, so that the requirement of assembling a battery core appears in a supply chain of electronic equipment or electric automobile manufacturers, the production line level and the requirement on the battery core are higher and higher, and the improvement of the production capacity of the production line is urgent. In the process of putting the battery cell into the shell, the obtained battery cell size needs to be ensured to be matched with the caliber of the steel shell, in order to avoid scratching the battery cell during putting the battery cell into the shell, the outer diameter of the battery cell needs to be detected before putting the battery cell into the shell, so that potential safety hazards in the use process of the battery are avoided, and the manufacturing quality of the battery is improved. The conventional cell size detection device is shown in fig. 1, and is composed of a bracket, a camera lens, a surface light source and a backlight source, wherein the camera lens and the surface light source are fixed on the bracket, the bracket is arranged on a flow line frame body, and the backlight source is distributed on the front side and the rear side of the surface light source and is connected with the flow line frame body. The existing battery cell size detection device is simple in structure and convenient to use, but poor in stability, low in accuracy and poor in adjustability, and is not convenient for replacement work of later-stage lamps. The camera lens, the surface light source and the backlight source are directly or indirectly connected with the flow line frame body, the flow line frame body can vibrate during working, the vibration directly drives the camera lens, and the surface light source and the backlight source vibrate, so that the stability of the camera lens during detection is seriously reduced, and the accuracy of the camera lens during detection is seriously reduced; the camera lens, the surface light source and the backlight source are both in positioning connection, and one set of battery cell size detection device can only be applied to a model of assembly line without adjustability; the area light source and the backlight source are connected through the fixed mode, and the area light source and the backlight source need to be disassembled and assembled back and forth during subsequent replacement, so that the work load is large, and the work efficiency is low.
Disclosure of Invention
In order to solve the above problems comprehensively, and especially to overcome the shortcomings of the prior art, the present utility model provides a device for detecting the size of a battery cell, which can solve the above problems comprehensively.
In order to achieve the above purpose, the utility model adopts the following technical means:
the utility model provides a electricity core size detection device, includes the location mounting panel, the bottom of location mounting panel is connected with the connecting plate perpendicularly, the bottom of connecting plate one side is connected with the backup pad perpendicularly, the bottom of backup pad is connected with the loading board perpendicularly, the bottom of loading board is connected with the removal case, the lateral part of location mounting panel can be dismantled and is connected with the area light source spout body, the backlight spout body of upper and lower distribution, the bottom slip grafting of area light source spout body has the area light source, the top of area light source can be dismantled and is connected with the camera lens, the bottom slip grafting of backlight spout body has two sets of backlight mounting brackets, peg graft in the backlight mounting bracket has backlight device.
The utility model further preferably comprises the following steps: the positioning mounting plate, the connecting plate, the supporting plate and the bearing plate are integrally manufactured.
The utility model further preferably comprises the following steps: the lateral wall of connecting plate is connected with the lateral wall of backup pad through the reinforcing plate.
The utility model further preferably comprises the following steps: the corner of the bottom of the movable box is respectively connected with pulleys.
The utility model further preferably comprises the following steps: the side part of the movable box is movably inserted with a drawer.
The utility model further preferably comprises the following steps: the side part of the drawer is connected with a handle.
The utility model further preferably comprises the following steps: the top of backlight mounting bracket both sides is provided with the backlight slider respectively, be provided with the telescopic link between backlight slider and the backlight mounting bracket, the one end and the backlight mounting bracket of telescopic link rotate to be connected, the other end and the backlight slider of telescopic link rotate to be connected, the backlight mounting bracket is through backlight slider and the sliding grafting of backlight spout body, the backlight slider passes through fixed wire and the solid rigid coupling of backlight spout body.
The utility model further preferably comprises the following steps: the backlight installation frame comprises an installation frame body, a light transmission groove penetrating through the installation frame body is formed in the middle of the installation frame body, bearing blocks are respectively connected to two sides of the inside of the long side direction of the light transmission groove, connecting rods are connected to the tops of the bearing blocks, the backlight device comprises a backlight source, connecting blocks are respectively connected to two sides of the long side direction of the backlight source, connecting holes matched with the connecting rods are formed in the bottoms of the connecting blocks, and the backlight installation frame is inserted into the connecting holes through the connecting rods to be connected with the backlight source in an inserting mode.
The utility model further preferably comprises the following steps: the top of area light source is connected with area light source slide bar, area light source is pegged graft with area light source spout body slip through area light source slide bar, area light source slide bar passes through fixed silk and area light source spout body rigid coupling.
The utility model further preferably comprises the following steps: the surface light source is characterized in that one side of the top of the surface light source is connected with a plugging base, one side of the camera lens is connected with a plugging rod, the bottom of the plugging rod is plugged with the plugging base, and the plugging rod is fixedly connected with the plugging base through a fixing wire.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the positioning mounting plate, the connecting plate, the supporting plate and the bearing plate are connected to form the concave mounting frame, and the backlight device, the surface light source and the camera lens which are mounted on the positioning mounting plate are all arranged on the top of the assembly line frame body through the support of the movable box, so that the backlight device, the surface light source and the camera lens are not contacted with the assembly line frame body and are not influenced by the vibration of the assembly line frame body, and the stability and the accuracy of the battery cell size detection device in use are effectively improved; according to the utility model, the backlight device is in sliding connection with the backlight chute body, the surface light source is connected with the camera lens, the surface light source is in sliding connection with the surface light source chute body, and a plurality of groups of detection devices can be designed by adjusting the distribution positions of the backlight device on the backlight chute body and the distribution positions of the surface light sources on the surface light source chute body, so that the battery cell size detection device can be applied to a plurality of groups of production lines, and has high adjustability; the backlight device is in sliding connection with the backlight chute body, the surface light source is in sliding connection with the surface light source chute body, the workload of a sliding connection mode is small, the working efficiency is high, and a user can conveniently finish the replacement work of the later-stage lamp.
Drawings
FIG. 1 is a schematic diagram of a conventional cell size detection device;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a state of use of the present utility model;
FIG. 4 is a schematic view of the structure of the backlight mount and backlight device of the present utility model;
FIG. 5 is a schematic diagram of a backlight device according to the present utility model;
fig. 6 is a schematic view of the structure of the surface light source and the camera lens of the present utility model;
in the figure:
the backlight assembly comprises a positioning mounting plate 1, a surface light source sliding groove body 2, a backlight source sliding groove body 3, a connecting plate 4, a reinforcing plate 5, a supporting plate 6, a bearing plate 7, a movable box 8, a pulley 9, a drawer 10, a handle 11, a backlight source mounting frame 12, a backlight source device 13, a telescopic rod 14, a backlight source sliding block 15, a surface light source 16, a surface light source sliding bar 17, a plugging base 18, a camera lens 19, a plugging rod 20, a mounting frame body 121, a light transmission groove 122, a connecting rod 123, a bearing block 124, a connecting block 131, a connecting hole 132 and a backlight source 133.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
example 1
As shown in fig. 2 to 6, the utility model provides a battery cell size detection device, which comprises a positioning mounting plate 1, wherein the bottom of the positioning mounting plate 1 is vertically connected with a connecting plate 4, the bottom of one side of the connecting plate 4 is vertically connected with a supporting plate 6, the bottom of the supporting plate 6 is vertically connected with a bearing plate 7, the bottom of the bearing plate 7 is connected with a movable box 8, the side part of the positioning mounting plate 1 is detachably connected with a surface light source sliding chute body 2 and a backlight source sliding chute body 3 which are distributed up and down, the bottom of the surface light source sliding chute body 2 is slidably connected with a surface light source 16, the top of the surface light source 16 is detachably connected with a camera lens 19, the bottom of the backlight source sliding chute body 3 is slidably connected with two groups of backlight source installation frames 12, and a backlight source device 13 is inserted in the backlight source installation frames 12.
Principle of operation
As shown in fig. 2 to 6, a concave mounting frame formed by a positioning mounting plate 1, a connecting plate 4, a supporting plate 6 and a bearing plate 7 is inserted into one side of a flow line frame body, the concave mounting frame is supported and positioned through a movable box 8, and the movable box 8 is movably regulated through a pulley 9, so that the positioning mounting plate 1 is arranged on one side of the top of the flow line frame body; a surface light source chute body 2 and a backlight chute body 3 are arranged on one side of the positioning mounting plate 1, which is close to the assembly line frame body; the camera lens 19 is connected with the plugging rod 20, the bottom of the plugging rod 20 is plugged with the plugging base 18 and fixedly connected through a fixing wire, so that a camera of the camera lens 19 corresponds to a shooting hole of the area light source 16, the area light source 16 is slidingly plugged with the area light source sliding groove body 2 through the area light source sliding bar 17, and the area light source sliding bar 17 is moved so that the shooting hole of the area light source 16 corresponds to a conveying part of the flow line frame body; the backlight device 13 is installed in the backlight installation frame 12, and the backlight installation frame 12 is connected with the backlight chute body 3 in a sliding mode through the backlight sliding block 15, the backlight sliding block 15 is moved to enable the backlight device 13 to be distributed on the side edge of the conveying part of the assembly line frame body, and the length of the telescopic rod 14 is adjusted to enable the backlight device 13 to be close to the assembly line frame body, so that the whole detection device is installed.
Example 2
As shown in fig. 2 to 6, the utility model provides a battery cell size detection device, which comprises a positioning mounting plate 1, wherein the bottom of the positioning mounting plate 1 is vertically connected with a connecting plate 4, the bottom of one side of the connecting plate 4 is vertically connected with a supporting plate 6, the bottom of the supporting plate 6 is vertically connected with a bearing plate 7, the bottom of the bearing plate 7 is connected with a movable box 8, the side part of the positioning mounting plate 1 is detachably connected with a surface light source sliding chute body 2 and a backlight source sliding chute body 3 which are distributed up and down, the bottom of the surface light source sliding chute body 2 is slidably connected with a surface light source 16, the top of the surface light source 16 is detachably connected with a camera lens 19, the bottom of the backlight source sliding chute body 3 is slidably connected with two groups of backlight source installation frames 12, and a backlight source device 13 is inserted in the backlight source installation frames 12.
The positioning mounting plate 1, the connecting plate 4, the supporting plate 6 and the bearing plate 7 are integrally manufactured. This kind of setting can effectively improve the compactness between location mounting panel 1, connecting plate 4, backup pad 6, the loading board 7, can effectively prevent the fracture phenomenon emergence.
The side wall of the connecting plate 4 is connected with the side wall of the supporting plate 6 through the reinforcing plate 5. This kind of setting can effectively improve backup pad 6 to the support nature of connecting plate 4, can effectively prevent to appear the fracture phenomenon between connecting plate 4 and the backup pad 6.
The corners of the bottom of the movable box 8 are respectively connected with pulleys 9. This arrangement can facilitate the movement of the movable case 8 by the user, effectively improving the movement efficiency of the movable case 8.
A handle 11 is connected to a side of the drawer 10. This arrangement can facilitate the user to pull the drawer 10, effectively improving the working efficiency of the drawer 10.
Example 3
As shown in fig. 2 to 6, the utility model provides a battery cell size detection device, which comprises a positioning mounting plate 1, wherein the bottom of the positioning mounting plate 1 is vertically connected with a connecting plate 4, the bottom of one side of the connecting plate 4 is vertically connected with a supporting plate 6, the bottom of the supporting plate 6 is vertically connected with a bearing plate 7, the bottom of the bearing plate 7 is connected with a movable box 8, the side part of the positioning mounting plate 1 is detachably connected with a surface light source sliding chute body 2 and a backlight source sliding chute body 3 which are distributed up and down, the bottom of the surface light source sliding chute body 2 is slidably connected with a surface light source 16, the top of the surface light source 16 is detachably connected with a camera lens 19, the bottom of the backlight source sliding chute body 3 is slidably connected with two groups of backlight source installation frames 12, and a backlight source device 13 is inserted in the backlight source installation frames 12.
The top of backlight mounting bracket 12 both sides is provided with backlight slider 15 respectively, is provided with telescopic link 14 between backlight slider 15 and the backlight mounting bracket 12, and the one end and the backlight mounting bracket 12 of telescopic link 14 rotate to be connected, and the other end and the backlight slider 15 of telescopic link 14 rotate to be connected, and backlight mounting bracket 12 is pegged graft with backlight spout body 3 slip through backlight slider 15, and backlight slider 15 passes through the dead wire and the fixedly connected of backlight spout body 3. The distance between the backlight source mounting frame 12 and the backlight source sliding block 15 can be efficiently adjusted by rotationally connecting the backlight source mounting frame 12 and the backlight source sliding block 15 through the telescopic rod 14; the telescopic rod 14 can be a common threaded telescopic rod, and has simple structure and convenient use; the backlight installation frame 12 can be conveniently detached or installed by a user through sliding and inserting the backlight sliding block 15 and the backlight sliding groove body 3.
The backlight installation frame 12 comprises an installation frame body 121, a light transmission groove 122 penetrating through the installation frame body 121 is formed in the middle of the installation frame body 121, bearing blocks 124 are respectively connected to two sides of the inside of the long side direction of the light transmission groove 122, connecting rods 123 are connected to the tops of the bearing blocks 124, the backlight device 13 comprises a backlight 133, connecting blocks 131 are respectively connected to two sides of the long side direction of the backlight 133, connecting holes 132 matched with the connecting rods 123 are formed in the bottoms of the connecting blocks 131, and the backlight installation frame 12 is inserted into the connecting holes 132 through the connecting rods 123 and is connected with the backlight 133 in an inserting mode. The arrangement can facilitate the user to rapidly complete the mounting or dismounting work of the backlight device 13, and effectively improve the later maintenance efficiency of the backlight device 13.
The top of the area light source 16 is connected with an area light source slide bar 17, the area light source 16 is connected with the area light source chute body 2 in a sliding and inserting mode through the area light source slide bar 17, and the area light source slide bar 17 is fixedly connected with the area light source chute body 2 through a fixing wire. The sliding plug-in connection of the surface light source sliding strip 17 and the surface light source sliding groove body 2 can facilitate the disassembly of a user or the installation of the surface light source 16, and the later maintenance efficiency of the surface light source 16 is effectively improved.
The top of the surface light source 16 is connected with a plug base 18, one side of the camera lens 19 is connected with a plug rod 20, the bottom of the plug rod 20 is plugged with the plug base 18, and the plug rod 20 is fixedly connected with the plug base 18 through a fixing wire. The camera of the camera lens 19 can always correspond to the shooting hole of the surface light source 16 in a fixed connection mode, the whole connection mode is simple, and the stability after connection is high.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a electricity core size detection device, its characterized in that, including location mounting panel (1), the bottom of location mounting panel (1) is connected with connecting plate (4) perpendicularly, the bottom of connecting plate (4) one side is connected with backup pad (6) perpendicularly, the bottom of backup pad (6) is connected with loading board (7) perpendicularly, the bottom of loading board (7) is connected with movable box (8), the lateral part of location mounting panel (1) can be dismantled and be connected with area light source spout body (2), backlight spout body (3) that distribute from top to bottom, the bottom slip grafting of area light source spout body (2) has area light source (16), the top of area light source (16) can be dismantled and be connected with camera lens (19), the bottom slip grafting of backlight spout body (3) has two sets of backlight mounting bracket (12), backlight device (13) have been inserted in backlight mounting bracket (12).
2. The cell size detection device according to claim 1, wherein the positioning mounting plate (1), the connecting plate (4), the supporting plate (6) and the bearing plate (7) are integrally manufactured.
3. A cell size detection device according to claim 2, characterized in that the side walls of the connection plate (4) are connected to the side walls of the support plate (6) by means of reinforcement plates (5).
4. The cell size detection device according to claim 1, wherein pulleys (9) are respectively connected to corners of the bottom of the movable box (8).
5. A cell size detection device according to claim 4, characterized in that the side of the mobile box (8) is movably plugged with a drawer (10).
6. A cell size detection device according to claim 5, characterized in that the side of the drawer (10) is connected with a handle (11).
7. The battery cell size detection device according to claim 1, wherein backlight sliders (15) are respectively arranged at the tops of two sides of the backlight installation frame (12), a telescopic rod (14) is arranged between the backlight sliders (15) and the backlight installation frame (12), one end of the telescopic rod (14) is rotationally connected with the backlight installation frame (12), the other end of the telescopic rod (14) is rotationally connected with the backlight sliders (15), the backlight installation frame (12) is in sliding connection with the backlight chute body (3) through the backlight sliders (15), and the backlight sliders (15) are fixedly connected with the backlight chute body (3) through fixing wires.
8. The battery cell size detection device according to claim 7, wherein the backlight source mounting frame (12) comprises a mounting frame body (121), a light transmission groove (122) penetrating through the mounting frame body (121) is formed in the middle of the mounting frame body (121), bearing blocks (124) are respectively connected to two sides of the inside of the long side direction of the light transmission groove (122), connecting rods (123) are connected to the top of the bearing blocks (124), the backlight source device (13) comprises backlight sources (133), connecting blocks (131) are respectively connected to two sides of the long side direction of the backlight sources (133), connecting holes (132) matched with the connecting rods (123) are formed in the bottoms of the connecting blocks (131), and the backlight source mounting frame (12) is inserted into the connecting holes (132) through the connecting rods (123) in a plugging mode with the backlight sources (133).
9. The battery cell size detection device according to claim 1, wherein the top of the surface light source (16) is connected with a surface light source sliding strip (17), the surface light source (16) is in sliding connection with the surface light source sliding strip (17) through the surface light source sliding strip (17), and the surface light source sliding strip (17) is fixedly connected with the surface light source sliding strip (2) through a fixing wire.
10. The battery cell size detection device according to claim 9, wherein a plugging base (18) is connected to one side of the top of the surface light source (16), a plugging rod (20) is connected to one side of the camera lens (19), the bottom of the plugging rod (20) is plugged with the plugging base (18), and the plugging rod (20) is fixedly connected with the plugging base (18) through a fixing wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222939353.0U CN218937304U (en) | 2022-11-04 | 2022-11-04 | Battery cell size detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222939353.0U CN218937304U (en) | 2022-11-04 | 2022-11-04 | Battery cell size detection device |
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| Publication Number | Publication Date |
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| CN218937304U true CN218937304U (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222939353.0U Active CN218937304U (en) | 2022-11-04 | 2022-11-04 | Battery cell size detection device |
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| CN (1) | CN218937304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117053745A (en) * | 2023-10-12 | 2023-11-14 | 山东恒圣石墨科技有限公司 | Graphite electrode diameter size detection device |
-
2022
- 2022-11-04 CN CN202222939353.0U patent/CN218937304U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117053745A (en) * | 2023-10-12 | 2023-11-14 | 山东恒圣石墨科技有限公司 | Graphite electrode diameter size detection device |
| CN117053745B (en) * | 2023-10-12 | 2024-01-12 | 山东恒圣石墨科技有限公司 | Graphite electrode diameter size detection device |
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Address after: 510000 building B10, Huachuang Animation Industrial Park, Jinshan Village, Shiji Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: Supersonic Artificial Intelligence Technology Co.,Ltd. Country or region after: China Address before: 510000 building B10, Huachuang Animation Industrial Park, Jinshan Village, Shiji Town, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU SUPERSONIC AUTOMATION TECHNOLOGY Co.,Ltd. Country or region before: China |
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