CN211927035U

CN211927035U - Weighing device and checking equipment

Info

Publication number: CN211927035U
Application number: CN202020341947.XU
Authority: CN
Inventors: 王勤红; 张雷; 郭颂
Original assignee: Shenzhen Urovo Technology Corp ltd
Current assignee: Shenzhen Urovo Technology Corp ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-11-13
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a weighing device and a checking device, wherein the weighing device comprises a plate body which is used for bearing goods and can be disassembled and assembled and at least two weighing sensors which are oppositely arranged in the plate body; the weighing sensor comprises an elastic body with a parallel beam structure, an upper cushion body and a lower cushion body which are oppositely arranged at the edges of the upper end surface and the lower end surface of the elastic body, and a first stress plate and a second stress plate which are respectively arranged at one ends of the upper cushion body and the lower cushion body far away from the elastic body and are parallel to the elastic body; the first stress plate, the upper cushion body, the elastic body, the lower cushion body and the second stress plate are S-shaped on the cross section; the first stress plate is detachably connected and fixed with the inner top of the plate body, and the second stress plate is detachably connected and fixed with the inner bottom of the plate body; the transverse length of the first stress plate and the transverse length of the second stress plate are both larger than half of the length of the elastic body, and the transverse length of the first stress plate is larger than the length of the second stress plate. Through implementing this weighing sensor, have the atress even, measure accurate, simple structure's beneficial effect.

Description

Weighing device and checking equipment

Technical Field

The utility model relates to a storage field especially relates to a weighing device and check equipment.

Background

The existing weighing sensor can convert gravity acting on a measured object into a quantifiable output signal according to a certain proportion, but under the condition that the stress of the weighing sensor is not uniform, the weighing result is inaccurate, and daily data acquisition is influenced.

In addition, with the current rapid development of the retail industry, the purchase quantity of commodities grows exponentially. Therefore, it is desirable to minimize the time and cost of the product flow from the manufacturer to the end consumer to meet the demand for rapid product flow. In the process of commodity circulation including from factory to warehouse, from warehouse to warehouse, and from warehouse to store or consumer, the retailer, the electric company, and the manufacturer all face the problem of effective management of the goods in the warehouse. The existing warehouse management mode is based on pure manual registration of warehousing and inventory, or the warehousing, warehousing and inventory is carried out by scanning a code one by one through a code scanning device through a unique commodity bar code. No matter the current mode is artifical or sweep a yard mode, all manage goods in the warehouse through artifical mode afterwards, along with commodity quantity, the article class increases fast, under the condition that the commodity circulation rate increases fast, current mode manual operation work load increases greatly, requires to promote greatly to operating personnel management level, the circulation speed of the warehouse goods of serious restriction further leads to the efficiency of logistics distribution and whole supply chain to lead to the goods circulation finally to sink into the bottleneck period.

Therefore, the existing warehouse, especially the warehouse with high failure requirement for some foods and fresh foods, has at least the following problems: firstly, the manual operation has low operation efficiency; secondly, the checking period is long, so that the actual condition of the materials accumulated in the warehouse cannot be fed back in real time, and further the goods are seriously lost; and thirdly, the delayed feedback of warehouse-out and warehouse-in data is not timely.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's defect, a weighing device and check equipment is provided.

The utility model provides a technical scheme that its technical problem adopted is: constructing a weighing device, which comprises a plate body used for bearing goods and detachably assembled and at least two weighing sensors oppositely arranged in the plate body;

the weighing sensor comprises an elastic body with a parallel beam structure, an upper cushion body and a lower cushion body which are oppositely arranged at the edges of the upper end surface and the lower end surface of the elastic body, and a first stress plate and a second stress plate which are respectively arranged at one ends of the upper cushion body and the lower cushion body far away from the elastic body and are parallel to the elastic body;

the first stress plate, the upper cushion body, the elastic body, the lower cushion body and the second stress plate are S-shaped in cross section;

the first stress plate is detachably connected and fixed with the inner top of the plate body, and the second stress plate is detachably connected and fixed with the inner bottom of the plate body;

the transverse length of the first stress plate and the transverse length of the second stress plate are both larger than half of the length of the elastic body, and the transverse length of the first stress plate is larger than the length of the second stress plate.

Preferably, in the weighing device of the present invention, the first force-bearing plate and the second force-bearing plate are plate bodies of a half circle.

Preferably, in the weighing apparatus of the present invention, the thickness of the weighing sensor is 13.1 mm.

Preferably, in the weighing apparatus of the present invention, the first force-bearing plate is provided with a convex point, and the top of the inner side of the plate body is provided with a groove or a bearing part having a groove and corresponding to the first force-bearing plate;

through the bump with the joint cooperation of recess, will first atress board is fixed and hug closely the setting and be in top in the plate body or on the bearing part.

Preferably, in the weighing apparatus of the present invention, at least two screw holes or a connecting portion corresponding to the second force-bearing plate and having at least two screw holes are provided at the bottom of the plate body;

the edge of second atress board be equipped with the notch that the screw hole corresponds will through the screw the second atress board is fixed and hug closely the setting and be in bottom in the plate body or on the connecting portion.

Preferably, weighing device in, the plate body is square, weighing sensor is four, sets up respectively on four angles of plate body.

Preferably, in the weighing device of the present invention, the elastic body is fixed to the first force-bearing plate, the upper pad body, the lower pad body and the second force-bearing plate as a whole or by screws.

Preferably, weighing device in, still include with the signal integration filter circuit that is arranged in filtering the interfering signal among the analog signal that the weighing sensor electricity is connected, be used for converting the analog signal after filtering into digital signal's digital conversion circuit and be used for transmitting digital signal's collection data line.

The utility model discloses a check equipment has still been constructed, including at least one above-mentioned be used for bearing the weight device of same classification goods and with what the weight device electricity was connected is used for calculating the data analysis device of goods quantity according to gravimetric analysis.

Preferably, in the inventory equipment of the present invention, the data analysis device includes an initialization unit, a warehousing calculation unit, a ex-warehousing calculation unit and an inventory calculation unit.

Through implementing the utility model discloses a weighing sensor has that the atress is even, measure accurate, simple structure's beneficial effect. And, through combining data analysis device, can gather the change of goods weight through the weighing device, monitor the goods change condition of each warehouse position often, improve operating efficiency, avoid the problem that the check-up time is overlength and goods data lags behind.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

FIG. 1 is a schematic structural view of a plurality of weighing devices of the present invention assembled together;

FIG. 2 is a schematic view of the internal structure of a single weighing device of the present invention;

FIG. 3 is a schematic diagram of the structure of the load cell of the present invention cooperating with the load bearing part and the connecting part;

FIG. 4 is a schematic diagram of a structure of the weighing sensor of the present invention;

fig. 5 is a schematic connection diagram of the weighing sensor, the signal integration filter circuit and the digital conversion circuit of the present invention;

fig. 6 is a flowchart of a calculation algorithm of the data analysis device of the present invention;

fig. 7 is a flow chart of warehousing goods of the utility model;

FIG. 8 is a flow chart of the present invention for the delivery of goods;

fig. 9 is a flow chart of the cargo inventory of the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It should be understood that the orientations and positional relationships indicated by the terms "upper", "lower", "top", "bottom", and the like are constructed and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the technical solution, but do not indicate that the indicated device or element must have a specific orientation, and thus, should not be construed as limiting the present invention.

The utility model discloses a solve the problem that current warehouse exists, designed the equipment of checking of the goods change condition that can monitor each warehouse position often, this equipment of checking is used for calculating the data analysis device of goods quantity according to the weight analysis including the weighing device that is used for bearing same classification goods and is connected with the weighing device electricity.

As shown in figures 1 and 2, the weighing device has the advantages of uniform stress, accurate measurement and simple structure, and comprises a plate body 1 which is used for bearing goods and can be detachably assembled and at least two weighing sensors 2 which are oppositely arranged in the plate body 1.

In some embodiments, the plate body is composed of a detachable assembled stainless steel panel and a bottom plate, and the size of the plate body can be customized according to actual goods and data of the warehouse, which is not limited herein. In the embodiment, the plate body 1 is used for bearing the same type of goods, so that the weight of the goods borne by the plate body is calculated through the weighing sensor 2, and a quality signal is converted into a measurable electric signal to be output.

As shown in fig. 4, the load cell 2 includes an elastic body 21 of a parallel beam structure, an upper pad 22 and a lower pad 23 oppositely disposed at edges of upper and lower end surfaces of the elastic body 21, and a first force-receiving plate 24 and a second force-receiving plate 25 disposed on ends of the upper pad 22 and the lower pad 23 away from the elastic body 21, respectively, in parallel with the elastic body 21. The design of the first stress plate 24 and the second stress plate 25 can increase the stress area, so that the stress is uniform, and the weight of the goods can be accurately measured.

The elastic body 21 is elastically deformed under the action of an external force, so that the resistance strain gauge adhered to the surface of the elastic body is also deformed, the resistance value of the resistance strain gauge is changed after the resistance strain gauge is deformed, and the resistance change is converted into an electric signal (voltage or current) through a corresponding measuring circuit, so that the process of converting the external force into the electric signal is completed.

The first stress plate 24 is detachably connected and fixed with the inner top of the plate body 1. In some embodiments, the protruding points 241 are arranged on the first force-bearing plate 24, the groove 111 is arranged at the top in the plate body 1 or the bearing part 11 corresponding to the first force-bearing plate 24 and having the groove 111 is arranged at the top, and the first force-bearing plate 24 is fixed and arranged on the top or the bearing part 11 in the plate body 1 in a tightly-attached manner through the snap-fit between the protruding points 241 and the groove 111, so as to avoid the sliding of the plate body. In the present embodiment, as shown in fig. 2 and 3, a load-bearing part 11 having a groove 111 is preferably provided at the inner top of the plate body 1, and the contact surface of the load-bearing part 11 corresponds to or partially corresponds to the first force-bearing plate 24.

The second stress plate 25 is detachably connected and fixed with the bottom in the plate body 1. In some embodiments, at least two screw holes 121 or a connecting portion 12 corresponding to the second force-bearing plate 25 and having at least two screw holes 121 are provided at the bottom of the plate body 1, a notch 251 corresponding to the screw hole 121 is provided at the edge of the second force-bearing plate 25, and the second force-bearing plate 25 is fixed and tightly attached to the bottom or the connecting portion 12 of the plate body 1 by screws. In the present embodiment, as shown in fig. 3, it is preferable that a connecting portion 12 corresponding to the second force-receiving plate 25 and having two screw holes 121 is provided at the bottom in the plate body 1, and a contact surface of the connecting portion 12 corresponds to or partially corresponds to the second force-receiving plate 25.

The first force-bearing plate 24, the upper pad 22, the elastic body 21, the lower pad 23 and the second force-bearing plate 25 are S-shaped in cross section. The transverse length of each of the first force-bearing plate 24 and the second force-bearing plate 25 is greater than half of the length of the elastic body 21, and the transverse length of the first force-bearing plate 24 is greater than the length of the second force-bearing plate 25. Preferably, in the present embodiment, the first force-bearing plate 24 and the second force-bearing plate 25 are both plate bodies that are more than half a circle.

In some embodiments, the elastic body 21 is integrated with the first force-bearing plate 24, the upper pad body 22, the lower pad body 23 and the second force-bearing plate 25 or fixed by screws. The thickness of weighing sensor 2 of its constitution is 13.1mm, and the horizontal length of elastomer is 40.5mm, and the horizontal length of first atress board 24 is 35.2mm, and the horizontal length of second atress board is 27.1mm, and precision error is < ═ 3/10000(KG), compares on the market minimum thickness and is 21 mm's ordinary sensor, and this sensor stable in structure, thin is applicable to and directly deploys on traditional goods shelves.

In some embodiments, as shown in fig. 2, the plate body 1 is square, and the number of the weighing sensors 2 is four, and the weighing sensors 2 are respectively disposed at four corners of the plate body 1, so that the weighing sensors 2 are stressed more uniformly, and the measured data is more accurate.

As shown in fig. 5, the weighing apparatus further includes a signal integration filter circuit 3 electrically connected to the load cell 2 for filtering an interference signal in the analog signal, a digital conversion circuit 4 for converting the filtered analog signal into a digital signal, and a data line (not shown) for transmitting the digital signal. The data acquisition line is used for converting MODBUS RTU protocol data of the weighing sensor into USB or net mouth and then accessing the data analysis device. Each weighing sensor 2 has a unique code, and the format of the acquired data message is shown in a table 1.

Table 1

And the data analysis device is used for collecting, sorting and analyzing the data of each weighing device and forming final warehousing, ex-warehousing and inventory data. Specifically, the data analysis device comprises an initialization unit, a warehousing calculation unit, an ex-warehousing calculation unit and an inventory calculation unit.

The initialization unit is used for initializing the weighing devices, and the initialization unit is used for setting the storage position of each weighing device to which the serial number belongs, the goods code of the weighing device, the goods name, the net weight of the goods, the tare weight of the goods, the weight positive and negative error value of the goods, the production date of the goods and the shelf life information of the goods. Goods information can be directly imported through an EXCEL template, and after the setting is completed, the initialization unit reads data of the weighing device to carry out weight calibration, so that the weight of goods set by each item is ensured to be consistent with the actual weight.

The warehousing, ex-warehouse and checking process specifically comprises the following steps:

1. the warehousing process is shown in FIG. 7:

and S1, placing the received goods on a weighing device of the warehouse location in a classified manner by a warehouse consignee.

And S2, the weighing device sends the weight after operation and the serial number of the weighing unit to the data analysis device through a USB line.

S3, the warehousing calculation unit analyzes the data message after receiving the data message, and the analyzed data is as follows: weighing device serial number, weighing weight. The data analysis device searches the corresponding weighing device and the corresponding storage position and goods data (including goods code, name, tare weight, net weight, weight positive and negative error values) in the local database according to the serial number of the weighing device.

And S4, the warehousing calculation unit collects the data of the weighing device, analyzes the data message and obtains the unique serial number and the weight of the weighing device. The actual quantity of the goods is obtained by calculating the positive and negative error values of the weighing weight, the tare weight of the single goods and the weight of the single goods, the calculation algorithm is shown in figure 6, then the current stock quantity is searched through the stock position code, the actual quantity and the current quantity are compared, the increased quantity of the goods is added into the stock quantity, meanwhile, the increased goods information, the stock position information, the weight and the time are recorded into the warehousing data, and the current warehousing is completed.

2. The ex-warehouse process is shown in FIG. 8:

and S10, the warehouse picker picks the goods out of the warehouse from the warehouse weighing device.

And S20, the weighing device sends the weight after operation and the serial number of the weighing unit to the ex-warehouse calculation unit through a USB line.

S30, the ex-warehouse computing unit analyzes the data message after receiving the data message, and the analyzed data is as follows: weighing device serial number, weighing weight. The data analysis device searches the corresponding weighing device and the corresponding storage position and goods data (including goods code, name, tare weight, net weight, weight positive and negative error values) in the local database according to the serial number of the weighing device.

S40, obtaining the actual quantity of goods by calculating the positive and negative error values of the weighing weight, the tare weight of the single goods and the weight of the single goods, and obtaining a calculation algorithm as shown in figure 6, then searching the current stock quantity through the stock position code, comparing the actual quantity with the current stock quantity, removing the reduced goods quantity from the stock quantity, and simultaneously recording the reduced goods information, the stock position information, the weight and the time into a delivery data table to finish the current delivery.

3. The inventory process is shown in fig. 9:

and S100, clicking by a warehouse inventory clerk in the inventory function of the data analysis device to start inventory.

S200, after receiving the system task, the inventory calculating unit actively polls each weighing device from the USB port.

And S300, after receiving the data of the weighing unit, the inventory calculating unit analyzes the data. The analyzed data are: a serial number of the weighing device and a weighing weight. And the inventory calculating unit retrieves the corresponding weighing device, the corresponding storage position and the corresponding goods data (including goods code, name, tare weight, net weight and weight positive and negative error values) from the local data according to the serial number of the weighing device.

S400, the actual quantity of the goods is obtained by calculating the weighing weight, the weight of a single goods and the positive and negative error values of the weight of the single goods, the calculation algorithm is shown in figure 6, and then the current stock quantity is searched through the stock position codes. And comparing the actual quantity of the goods with the current inventory quantity to obtain an inventory error value, and then displaying through an inventory result report, wherein the inventory result shows inventory excess, inventory deficiency and normal 3-type result data.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. A weighing device is characterized by comprising a plate body (1) which is used for bearing goods and can be assembled in a detachable mode and at least two weighing sensors (2) which are oppositely arranged in the plate body (1);

the weighing sensor (2) comprises an elastic body (21) with a parallel beam structure, an upper cushion body (22) and a lower cushion body (23) which are oppositely arranged at the edges of the upper end surface and the lower end surface of the elastic body (21), and a first stress plate (24) and a second stress plate (25) which are respectively arranged at one ends of the upper cushion body (22) and the lower cushion body (23) far away from the elastic body (21) and are parallel to the elastic body (21);

the first stress plate (24), the upper cushion body (22), the elastic body (21), the lower cushion body (23) and the second stress plate (25) are S-shaped in cross section;

the first stress plate (24) is detachably connected and fixed with the inner top of the plate body (1), and the second stress plate (25) is detachably connected and fixed with the inner bottom of the plate body (1);

the transverse length of the first stress plate (24) and the transverse length of the second stress plate (25) are both larger than half of the length of the elastic body (21), and the transverse length of the first stress plate (24) is larger than the length of the second stress plate (25).

2. Weighing device according to claim 1, characterised in that said first force-bearing plate (24) and said second force-bearing plate (25) are each a plate body of more than half a circle.

3. A weighing device according to claim 1, characterised in that the thickness of the load cell (2) is 13.1 mm.

4. The weighing device according to claim 1, wherein the first force bearing plate (24) is provided with a convex point (241), and the inner top of the plate body (1) is provided with a groove (111) or a bearing part (11) which is provided with the groove (111) and corresponds to the first force bearing plate (24);

through bump (241) with the joint cooperation of recess (111), will first atress board (24) are fixed and hug closely the setting and are in top in plate body (1) or on bearing part (11).

5. The weighing device according to claim 1, wherein the bottom of the plate body (1) is provided with at least two screw holes (121) or a connecting part (12) corresponding to the second stress plate (25) and having at least two screw holes (121);

the edge of the second stress plate (25) is provided with a notch (251) corresponding to the screw hole (121), and the second stress plate (25) is fixed and tightly attached to the bottom in the plate body (1) or on the connecting part (12) through screws.

6. The weighing device according to claim 1, wherein the plate body (1) is square and the weighing sensors (2) are four, respectively arranged at four corners of the plate body (1).

7. The weighing device according to claim 1, wherein the elastic body (21) is integral with the first force-bearing plate (24), the upper pad (22), the lower pad (23) and the second force-bearing plate (25) or is fixed by screws.

8. The weighing device according to claim 1, further comprising a signal integration filter circuit (3) electrically connected to the weighing sensor (2) for filtering an interference signal in the analog signal, a digital conversion circuit (4) for converting the filtered analog signal into a digital signal, and a collection data line for transmitting the digital signal.

9. A inventory equipment, characterized in that it comprises at least one weighing device according to any one of claims 1 to 8 and a data analysis device electrically connected to the weighing device for calculating the quantity of the goods by gravimetric analysis; the weighing device is used for bearing the same category of goods.

10. The inventory device according to claim 9, wherein said data analysis means comprises an initialization unit, an warehousing calculation unit, an ex-warehousing calculation unit and an inventory calculation unit.