CN211262463U - Cheating detection device for weighing high-precision electronic scale - Google Patents
Cheating detection device for weighing high-precision electronic scale Download PDFInfo
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- CN211262463U CN211262463U CN202020258922.3U CN202020258922U CN211262463U CN 211262463 U CN211262463 U CN 211262463U CN 202020258922 U CN202020258922 U CN 202020258922U CN 211262463 U CN211262463 U CN 211262463U
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- 238000001514 detection method Methods 0.000 title claims abstract description 60
- 238000005303 weighing Methods 0.000 title claims abstract description 23
- 238000012546 transfer Methods 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
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Abstract
A cheating detection device for weighing a high-precision electronic scale comprises a detection platform, a detection box body, a camera horizontal moving assembly, a camera supporting frame, a camera and an electronic scale placing platform assembly; the electronic scale placing platform assembly comprises four stand columns, a group of first connecting plates, four cylinders, four position adjusting rods and an electronic scale supporting plate, wherein the four stand columns, the four cylinders and the four position adjusting rods are arranged in a one-to-one correspondence mode, the cylinders are fixedly arranged on the stand columns, piston rods of the cylinders are hinged to the lower end portions of the position adjusting rods, and the upper end portions of the position adjusting rods are hinged to the lower end face of the electronic scale supporting plate. The utility model discloses a cheating detection device that high accuracy electronic scale weighed through the electronic scale place the platform subassembly that sets up, not only can carry out the electronic scale and place the detection at horizontal position, can simulate the detection under the electronic scale slope situation simultaneously, and it is nimble convenient to use, has improved the accuracy that detects the structure simultaneously, can provide stable support to the electronic scale cheating performance.
Description
Technical Field
The utility model belongs to the technical field of the electronic scale, specifically, relate to a cheating detection device that high accuracy electronic scale weighed.
Background
The digital indicating scale has the characteristics of convenient weighing, simple and convenient pricing, visual weight data display and the like, and is widely used in places such as large supermarkets, trade markets and the like.
Electronic pricing equipment such as a digital indicating scale sold in the domestic market at present is different from a prototype machine sent by a manufacturer mostly, so integrity management is difficult to carry out. Alternatively, even if the appearance of a commercially available electronic device is the same as that of a hand-held sample tester, the software system and the like provided therein are not the same, and it is difficult to determine whether or not the electronic device is manually changed. Due to the reason, one set of inspection is sent, one set of production is produced, the vulnerability exists, a large amount of software cheating situations appear in the market, and short weight and shortage occur at all times, so that great trouble is brought to a supervision department.
Although many anti-cheating methods for electronic pricing devices have been developed recently, the anti-cheating methods usually require a major modification on the structure of the electronic pricing device, are high in cost and difficult to implement, and are particularly difficult to meet the requirement for batch anti-cheating management of the electronic pricing devices.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a cheating detection device that high accuracy electronic scale weighed has solved the problem of the electronic scale check out test set operation of being convenient for.
The technical scheme is as follows: the utility model provides a cheating detection device for weighing a high-precision electronic scale, which comprises a detection platform, a detection box body, a camera horizontal moving component, a camera support frame, a camera and an electronic scale placing platform component, wherein the detection box body is covered on the detection platform; the electronic scale placing platform assembly comprises four stand columns, a group of first connecting plates, four cylinders, four position adjusting rods and an electronic scale supporting plate, wherein the four stand columns, the four cylinders and the four position adjusting rods are arranged in a one-to-one correspondence mode, the four stand columns are located on four corners of a quadrangle, the first connecting plates are arranged among the four stand columns, the cylinders are fixedly arranged on the stand columns, piston rods of the cylinders are hinged to the lower end portions of the position adjusting rods, the upper end portions of the position adjusting rods are hinged to the lower end face of the electronic scale supporting plate, and the electronic scale supporting plate is rectangular and flat. The utility model discloses a cheating detection device that high accuracy electronic scale weighed through the electronic scale place the platform subassembly that sets up, not only can carry out the electronic scale and place the detection at horizontal position, can simulate the detection under the electronic scale slope situation simultaneously, and it is nimble convenient to use, has improved the accuracy that detects the structure simultaneously, can provide stable support to the electronic scale cheating performance.
Furthermore, according to the cheating detection device for weighing the high-precision electronic scale, the upper end face of the electronic scale supporting plate is provided with the concave cavity, and the electronic scale can be arranged in the concave cavity.
Furthermore, according to the cheating detection device for weighing the high-precision electronic scale, the fisheye joints are arranged on the four corners of the lower end face of the electronic scale supporting plate, the hinged seat is arranged at the upper end portion of the position adjusting rod, and the fisheye joints are hinged to the hinged seat.
Furthermore, according to the cheating detection device for weighing by the high-precision electronic scale, the glass window is arranged on the vertical side wall of the detection box body. The observation window is convenient for checking the detection process.
Furthermore, the cheating detection device that foretell high accuracy electronic scale weighed, camera horizontal migration subassembly includes the screw rod backup pad that two symmetries set up, the screw rod supporting seat that two symmetries set up, screw rod, a set of slider and screw drive motor, the fixed setting on the roof that detects the box of screw rod backup pad that two symmetries set up, the fixed screw rod supporting seat that is equipped with in screw rod backup pad, the screw rod sets up on the screw rod supporting seat that two symmetries set up to screw rod and screw drive motor are connected, a set of slider cover is established on the screw rod. The motor drives the screw rod to rotate, the structure that the sliding block moves is driven, and the camera can be stably driven.
Furthermore, according to the cheating detection device for weighing the high-precision electronic scale, one of the group of sliding blocks is provided with the guide sliding plate, the two screw supporting plates which are symmetrically arranged are provided with the guide column I and the guide column II, the guide column I and the guide column II are arranged in parallel with the screw, the guide column I and the guide column II are respectively positioned on two sides of the screw, the guide sliding plate is sleeved on the guide column I and the guide column II, and the guide sliding plate is in threaded connection with the screw. Through the guide post that sets up and the structure of direction slide, improved the stability of slider slip in-process, avoid the skew.
Furthermore, according to the cheating detection device for weighing the high-precision electronic scale, the group of sliding blocks is provided with the horizontal connecting plate, the horizontal connecting plate is provided with the vertical connecting plate, the vertical connecting plate and the horizontal connecting plate are vertically arranged, and the camera supporting frame is fixedly arranged on the vertical surface of the vertical connecting plate. The level and the vertical connecting plate that set up can move subassembly and camera support frame with camera horizontal translation and carry out good switching.
Furthermore, foretell cheating detection device that high accuracy electronic scale weighed, camera support frame includes fixed block, switching piece one, bracing piece one, switching piece two, bracing piece two, switching piece three and bracing piece three, the fixed block passes through the bolt setting on vertical connecting plate, the fixed setting of upper end of bracing piece one is on the fixed block to bracing piece one sets up along vertical direction, switching piece one passes through the bolt fastening on the lower tip of bracing piece one, the one end setting of bracing piece two is on switching piece one to bracing piece two level sets up, switching piece two passes through the bolt fastening on bracing piece two, the one end setting of bracing piece three is on switching piece two, switching piece three sets up on the tip of bracing piece three, the camera is fixed to be set up on switching piece three. The transfer block is locked on the supporting rod through the bolt, so that the position and the angle of the transfer block and the supporting rod can be flexibly adjusted, and the position of the camera can be conveniently adjusted.
Furthermore, in the cheating detection device for weighing by the high-precision electronic scale, the detection box body is of a rectangular box body structure with an opening at the lower end.
Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: the cheating detection device for weighing the high-precision electronic scale forms a structure similar to a four-degree-of-freedom platform through the four telescopic cylinders, and enables an electronic scale supporting plate connected with the four cylinders to be in different height positions through the difference of the extension lengths of the four cylinder piston rods, and also enables the electronic scale supporting plate to have a certain inclination degree, so that the use condition of the electronic scale during inclination is simulated, the use environment of the electronic scale is simulated more truly, and a more accurate detection structure is obtained; in addition, the camera horizontal movement assembly that sets up can drive the camera along horizontal direction adjustment position, and the angle of the position of camera can be adjusted in a flexible way to cooperation camera support frame, reaches the best shooting effect, can assist and detect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the cheating detection device for high-precision electronic scale weighing according to the present invention;
fig. 2 is a schematic structural view of the electronic scale placing platform assembly according to the present invention;
fig. 3 is a top view of the electronic scale placing platform assembly according to the present invention;
fig. 4 is a schematic view of a partial structure of the electronic scale placing platform assembly according to the present invention;
FIG. 5 is a schematic structural view of a supporting plate of the electronic scale of the present invention;
fig. 6 is a schematic structural view of the camera horizontal moving assembly and the camera supporting frame of the present invention;
fig. 7 is a schematic structural diagram of the camera horizontal movement assembly according to the present invention;
fig. 8 is a schematic structural diagram of the camera horizontal movement assembly of the present invention;
fig. 9 is a schematic structural view of the camera supporting frame of the present invention.
In the figure: the device comprises a detection platform 1, a detection box body 2, a glass window 21, a camera horizontal moving assembly 3, a screw supporting plate 31, a screw supporting seat 32, a screw 33, a sliding block 34, a screw driving motor 35, a guide sliding plate 36, a first guide column 37, a second guide column 38, a horizontal connecting plate 39, a vertical connecting plate 310, a camera supporting frame 4, a fixing block 41, a first transfer block 42, a first supporting rod 43, a second transfer block 44, a second supporting rod 45, a third transfer block 46, a third supporting rod 47, a camera 5, an electronic scale placing platform assembly 6, an upright post 61, a first connecting plate 62, an air cylinder 63, a position adjusting rod 64, an electronic scale hinge seat 641, a supporting plate 65, a concave 651 cavity and a fish-eye joint 652.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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 should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example one
The cheating detection device for weighing the high-precision electronic scale shown in the figure 1 comprises a detection platform 1, a detection box body 2, a camera horizontal moving component 3, a camera support frame 4, a camera 5 and an electronic scale placing platform component 6, wherein the detection box body 2 is covered on the detection platform 1, the electronic scale placing platform component 6 is arranged on the upper end face of the detection platform 1, the electronic scale placing platform component 6 is located in a cavity covered by the detection box body 2, the camera horizontal moving component 3 is fixedly arranged on a top plate of the detection box body 2, the camera support frame 4 is fixedly arranged on the camera horizontal moving component 3, and the camera 5 is arranged on the camera support frame 4. The detection box body 2 is of a rectangular box body structure with an opening at the lower end, and a glass window 21 is arranged on the vertical side wall of the detection box body 2. The cheating detection device for weighing the electronic scale with the structure places the electronic scale to be detected on the electronic scale placing platform assembly 6, and drives the camera supporting frame 4 to move through the camera horizontal moving assembly 3, so that the camera 5 is driven to reciprocate in the detection box body 2 along the horizontal direction, and the monitoring of the detection process can be carried out.
The electronic scale placing platform assembly 6 shown in fig. 2-4 includes four columns 61, a set of first connecting plates 62, four cylinders 63, four position adjusting rods 64 and an electronic scale supporting plate 65, the four columns 61, the four cylinders 63 and the four position adjusting rods 64 are arranged in a one-to-one correspondence, the four columns 61 are located at four corners of a quadrangle, the set of first connecting plates 62 are arranged between the four columns 61, the cylinders 63 are fixedly arranged on the columns 61, piston rods of the cylinders 63 are hinged to lower end portions of the position adjusting rods 64, upper end portions of the position adjusting rods 64 are hinged to lower end faces of the electronic scale supporting plate 65, and the electronic scale supporting plate 65 is in a rectangular flat plate shape. Four corners of the lower end face of the electronic scale supporting plate 65 are provided with fisheye joints 652, the upper end portion of the position adjusting rod 64 is provided with a hinge seat 641, and the fisheye joints 652 are hinged to the hinge seat 641. Through the electronic scale place platform subassembly 6 that sets up, place the platform in the simulation electronic scale use, because the difference of use place, the electronic scale can keep the level to place under partial service environment not necessarily, consequently through stretching out or the shrink of four cylinders 63 that set up, can make electronic scale backup pad 65 carry out the slope of certain extent to the service environment of simulation electronic scale under the not horizontality, thereby obtain more accurate testing result.
As shown in fig. 5, a concave cavity 651 is provided on the upper end surface of the electronic scale supporting plate 65, and an electronic scale may be disposed in the concave cavity 651. The electronic scale is placed in the concave cavity 651, so that the electronic scale can be prevented from sliding off the electronic scale supporting plate 65 when the electronic scale supporting plate 65 is inclined.
Example two
Based on the structure of the embodiment, the camera horizontal movement component 3 shown in fig. 6 to 8 includes two screw support plates 31 symmetrically arranged, two screw support seats 32 symmetrically arranged, a screw 33, a set of sliders 34 and a screw driving motor 35, the two screw support plates 31 symmetrically arranged are fixedly arranged on the top plate of the detection box body 2, the screw support seats 32 are fixedly arranged on the screw support plates 31, the screws 33 are arranged on the two screw support seats 32 symmetrically arranged, the screws 33 are connected with the screw driving motor 35, and the set of sliders 34 is sleeved on the screws 33. In addition, one of the group of sliding blocks 34 is provided with a guide sliding plate 36, the two symmetrically arranged screw supporting plates 31 are provided with a first guide column 37 and a second guide column 38, the first guide column 37 and the second guide column 38 are arranged in parallel with the screw 33, the first guide column 37 and the second guide column 38 are respectively positioned at two sides of the screw 33, the guide sliding plate 36 is sleeved on the first guide column 37 and the second guide column 38, and the guide sliding plate 36 is in threaded connection with the screw 33. The screw 33 is driven to rotate by the screw driving motor 35, and the rotation of the screw 33 causes the set of sliders 34 to move along the screw 33, so that the camera support frame 4 and the camera 5 are stably driven to move in the horizontal direction.
EXAMPLE III
Based on the structure of the first embodiment or the second embodiment, as shown in fig. 9, a horizontal connecting plate 39 is arranged on one group of sliding blocks 34, a vertical connecting plate 310 is arranged on the horizontal connecting plate 39, the vertical connecting plate 310 and the horizontal connecting plate 39 are vertically arranged, and the camera supporting frame 4 is fixedly arranged on the vertical surface of the vertical connecting plate 310. In the above structure, the camera support frame 4 includes a fixed block 41, a first transfer block 42, a first support rod 43, a second transfer block 44, a second support rod 45, a third transfer block 46 and a third support rod 47, the fixed block 41 is disposed on the vertical connecting plate 310 through a bolt, the upper end of the first support rod 43 is fixedly disposed on the fixed block 41, the first support rod 43 is disposed along the vertical direction, the first transfer block 42 is fastened on the lower end of the first support rod 43 through a bolt, one end of the second support rod 45 is disposed on the first transfer block 42, the second support rod 45 is horizontally disposed, the second transfer block 44 is fastened on the second support rod 45 through a bolt, one end of the third support rod 47 is disposed on the second transfer block 44, the third transfer block 46 is disposed on the end of the third support rod 47, and the camera 5 is fixedly disposed on the third transfer block 46. The first switching block 42, the second switching block 44 and the third switching block 46 are equivalent to three connection inflection points, and the position of the angle of the camera 5 can be adjusted by adjusting the positions of the first switching block 42, the second switching block 44, the third switching block 46 and the corresponding support rod, so that the camera 5 can be adjusted to the optimal viewing angle.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a cheating detection device that high accuracy electronic scale weighed which characterized in that: the detection device comprises a detection platform (1), a detection box body (2), a camera horizontal moving assembly (3), a camera supporting frame (4), a camera (5) and an electronic scale placing platform assembly (6), wherein the detection box body (2) is covered on the detection platform (1), the electronic scale placing platform assembly (6) is arranged on the upper end surface of the detection platform (1), the electronic scale placing platform assembly (6) is positioned in a cavity covered by the detection box body (2), the camera horizontal moving assembly (3) is fixedly arranged on a top plate of the detection box body (2), the camera supporting frame (4) is fixedly arranged on the camera horizontal moving assembly (3), and the camera (5) is arranged on the camera supporting frame (4);
the electronic scale placing platform assembly (6) comprises four upright columns (61), a group of first connecting plates (62), four cylinders (63), four position adjusting rods (64) and an electronic scale supporting plate (65), wherein the four upright columns (61), the four cylinders (63) and the four position adjusting rods (64) are arranged in a one-to-one correspondence mode, the four upright columns (61) are located on four corners of a quadrangle, the group of first connecting plates (62) are arranged among the four upright columns (61), the cylinders (63) are fixedly arranged on the upright columns (61), piston rods of the cylinders (63) are hinged to the lower end portions of the position adjusting rods (64), the upper end portions of the position adjusting rods (64) are hinged to the lower end face of the electronic scale supporting plate (65), and the electronic scale supporting plate (65) is rectangular and flat.
2. The cheating detecting device in high precision electronic scale weighing according to claim 1, wherein: a concave cavity (651) is arranged on the upper end face of the electronic scale supporting plate (65), and an electronic scale can be arranged in the concave cavity (651).
3. The cheating detecting device in high precision electronic scale weighing according to claim 1, wherein: the four corners of the lower end face of the electronic scale supporting plate (65) are provided with fisheye joints (652), the upper end portion of the position adjusting rod (64) is provided with a hinged seat (641), and the fisheye joints (652) are hinged to the hinged seat (641).
4. The cheating detecting device in high precision electronic scale weighing according to claim 1, wherein: and a glass window (21) is arranged on the vertical side wall of the detection box body (2).
5. The cheating detecting device in high precision electronic scale weighing according to claim 1, wherein: the camera horizontal movement component (3) comprises two symmetrical screw support plates (31), two symmetrical screw support seats (32), a screw (33), a group of sliding blocks (34) and a screw driving motor (35), wherein the two symmetrical screw support plates (31) are fixedly arranged on a top plate of the detection box body (2), the screw support seats (32) are fixedly arranged on the screw support plates (31), the screw (33) is arranged on the two symmetrical screw support seats (32), the screw (33) is connected with the screw driving motor (35), and the group of sliding blocks (34) is sleeved on the screw (33).
6. The cheating detecting device in high precision electronic scale weighing according to claim 5, wherein: one of the group of sliding blocks (34) is provided with a guide sliding plate (36), the two screw supporting plates (31) which are symmetrically arranged are provided with a first guide column (37) and a second guide column (38), the first guide column (37) and the second guide column (38) are arranged in parallel with the screw (33), the first guide column (37) and the second guide column (38) are respectively positioned at two sides of the screw (33), the guide sliding plate (36) is sleeved on the first guide column (37) and the second guide column (38), and the guide sliding plate (36) is in threaded connection with the screw (33).
7. The cheating detecting device in high precision electronic scale weighing according to claim 5, wherein: be equipped with horizontal connecting plate (39) on a set of slider (34), be equipped with vertical connecting plate (310) on horizontal connecting plate (39), vertical connecting plate (310) and horizontal connecting plate (39) set up perpendicularly, camera support frame (4) are fixed to be set up on the vertical face of vertical connecting plate (310).
8. The cheating detecting device in high precision electronic scale weighing according to claim 7, wherein: the camera supporting frame (4) comprises a fixing block (41), a first switching block (42), a first supporting rod (43), a second switching block (44), a second supporting rod (45), a third switching block (46) and a third supporting rod (47), wherein the fixing block (41) is arranged on a vertical connecting plate (310) through bolts, the upper end part of the first supporting rod (43) is fixedly arranged on the fixing block (41), the first supporting rod (43) is arranged along the vertical direction, the first switching block (42) is fastened on the lower end part of the first supporting rod (43) through bolts, one end of the second supporting rod (45) is arranged on the first switching block (42), the second supporting rod (45) is horizontally arranged, the second switching block (44) is fastened on the second supporting rod (45) through bolts, one end of the third supporting rod (47) is arranged on the second switching block (44), and the third switching block (46) is arranged on the end part of the third supporting rod (47), the camera (5) is fixedly arranged on the third transfer block (46).
9. The cheating detecting device in high precision electronic scale weighing according to claim 1, wherein: the detection box body (2) is of a rectangular box body structure with an opening at the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258922.3U CN211262463U (en) | 2020-03-05 | 2020-03-05 | Cheating detection device for weighing high-precision electronic scale |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258922.3U CN211262463U (en) | 2020-03-05 | 2020-03-05 | Cheating detection device for weighing high-precision electronic scale |
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| CN211262463U true CN211262463U (en) | 2020-08-14 |
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| CN202020258922.3U Active CN211262463U (en) | 2020-03-05 | 2020-03-05 | Cheating detection device for weighing high-precision electronic scale |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474996A (en) * | 2020-10-29 | 2021-03-12 | 新沂市华洋金属制品有限公司 | Different-aperture continuous punching device for marine metal piece and working method of device |
| CN114659600A (en) * | 2022-03-14 | 2022-06-24 | 安徽伽马莱恩智能科技有限公司 | Electronic scale for dining room purchase |
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2020
- 2020-03-05 CN CN202020258922.3U patent/CN211262463U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474996A (en) * | 2020-10-29 | 2021-03-12 | 新沂市华洋金属制品有限公司 | Different-aperture continuous punching device for marine metal piece and working method of device |
| CN114659600A (en) * | 2022-03-14 | 2022-06-24 | 安徽伽马莱恩智能科技有限公司 | Electronic scale for dining room purchase |
| CN114659600B (en) * | 2022-03-14 | 2023-07-28 | 安徽伽马莱恩智能科技有限公司 | Electronic scale for canteen purchase |
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