Warehouse code reading trolley and control method

Abstract

The present invention discloses a warehouse code reading trolley and a control method. The trolley includes a movable chassis, a main frame vertical rod, a main frame pusher, a liftable code reading mechanism, a dust-proof protective cover, a code reading device, an industrial control computer, a touch screen intelligent control terminal, a cargo positioning module, and a power supply device; the liftable code reading mechanism is arranged on the main frame vertical rod and includes a motor, a lead screw module, and an equipment installation bracket; the code reading device includes a machine vision light source and an industrial code reader; the industrial code reader is connected to the industrial control computer through a transmission line. The present invention realizes the rapid code reading of goods placed on shelves at different heights in the warehouse, saves the position information of the goods in the warehouse for convenient later rapid search, speeds up the sorting and inventory of goods in the warehouse, reduces the cost in the warehouse management process, and reduces the labor intensity of the code scanning personnel in the warehouse.

Description

Technical Field

[0001] The present invention belongs to the technical field of logistics warehousing, and particularly relates to a warehouse barcode reading trolley and a control method thereof. Background Art

[0002] For many years, during the process of goods management in warehouses, such as sorting, inventorying, and in and out of goods in the warehouse, how to complete this work quickly and efficiently has always troubled the warehouse management departments of enterprises. The traditional method is to sort and inventory goods, record them in a register, and finally enter them into a computer, which is time-consuming, laborious, and may also result in input errors. In recent years, the rise of barcode technology and barcode reading devices has brought good news to warehouse managers, but at the same time, new problems have arisen. It is also a very difficult task to scan the barcodes of goods placed on shelves at different heights one by one.

[0003] Facing the growing economic environment in today's era and the explosive growth of goods in enterprise warehouses, the traditional method of using a barcode scanner to read barcodes one by one is already a bit overwhelmed, and it is also extremely inconvenient to search for goods later. According to market research, devices suitable for batch barcode reading and saving location information on warehouse shelves are relatively rare. Summary of the Invention

[0004] The main purpose of the present invention is to overcome the deficiencies of the prior art, and provide a warehouse barcode reading trolley and a control method thereof; the invention improves the efficiency of sorting and inventorying goods in the warehouse, saves the location information of the goods in the warehouse for convenient quick search later, reduces the cost in the process of warehouse management, and reduces the labor intensity of the staff responsible for barcode scanning in the warehouse.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A warehouse barcode reading trolley provided by the present invention includes a movable chassis, a main frame vertical rod, a main frame pusher, a liftable barcode reading mechanism, a dust-proof protective cover, a barcode reading device, an industrial control computer, a touch screen intelligent control terminal, and a goods positioning module; the main frame vertical rod and the main frame pusher are both arranged on the movable chassis, the liftable barcode reading mechanism is arranged on the main frame vertical rod, the barcode reading device is arranged on the liftable barcode reading mechanism, the industrial control computer and the goods positioning module are arranged inside the dust-proof protective cover, the touch screen intelligent control terminal is arranged on the main frame pusher, and the touch screen intelligent control terminal is connected to the industrial control computer;

[0007] The liftable barcode reading mechanism includes a motor, a lead screw module, and an equipment mounting bracket; the lead screw module is arranged on the main frame vertical rod, the equipment mounting bracket is arranged on the lead screw module, and the power generated by the motor is transmitted through the lead screw module to adjust the height of the equipment mounting bracket up and down;

[0008] The reading code device is fixedly installed on the device mounting bracket, and includes a machine vision light source and an industrial code reader; the industrial code reader is connected to the industrial control computer through a transmission line.

[0009] As a preferred technical solution, the movable chassis is located at the bottom of the trolley, and includes casters and a chassis; there are multiple casters, which are arranged under the chassis. The casters arranged at the front of the chassis are directional casters, and the casters arranged at the rear of the chassis are universal casters; the chassis is connected to the main frame pusher.

[0010] As a preferred technical solution, the main frame pusher includes a frame body and a grip; the bottom of the frame body is connected to the movable chassis, and a touch screen intelligent control terminal is arranged at the top.

[0011] As a preferred technical solution, there are two sets of the reading code devices, which are respectively arranged on the left side and the right side of the device mounting bracket.

[0012] As a preferred technical solution, when the goods positioning module reads the goods barcode, it can obtain the position data of the current trolley in the warehouse and the height data of the reading code device, and the obtained data can be stored in the industrial control computer or uploaded to the server through the network.

[0013] As a preferred technical solution, the touch screen intelligent control terminal includes a positioning display module, an upload information module, a movement control module, a barcode screening module and a duplicate removal module;

[0014] The positioning display module can communicate with the indoor base station to obtain the three-dimensional coordinate data of the barcode;

[0015] The upload information module can upload the barcode and the scanning result recognized by the reading code device to the server through the network;

[0016] The movement control module can control the liftable code reading mechanism to move the device mounting bracket up and down;

[0017] The barcode screening module can screen out the content required for actual business according to the barcode type and coding rules;

[0018] The duplicate removal module can shield the repeatedly recognized barcodes.

[0019] As a preferred technical solution, the movement control module includes two control schemes, namely an automatic mode and a manual mode;

[0020] In the automatic mode, the device mounting bracket continuously moves up and down back and forth, and the reading code device remains in the working state of reading codes. After stopping this mode, the movement of the device mounting bracket stops and the reading code device stops reading codes;

[0021] In the manual mode, the height of the equipment mounting bracket can be freely adjusted up and down as needed. After the equipment mounting bracket is adjusted to the required height, the code reading device remains in the working state of reading codes.

[0022] As a preferred technical solution, it further includes a power supply device, and the power supply device is a rechargeable mobile power supply.

[0023] The present invention also includes a control method for a warehouse code reading trolley, comprising the following steps:

[0024] Movement control: Select the working mode of the trolley to read the codes of the goods on the shelves.

[0025] Duplicate removal: Remove the barcodes that have been recognized multiple times. According to the actual business requirements, the read barcodes can only be displayed once on the touch screen intelligent terminal. When the barcode appears for the second time, it is automatically blocked.

[0026] Barcode screening: Perform background screening on the barcodes after duplicate removal. Analyze according to the barcode type and coding rules of the customer, and screen out the barcodes that meet the conditions, including removing the redundant prefixes and suffixes, retaining the content required by the customer and displaying it on the interface of the touch screen intelligent control terminal.

[0027] Positioning: Communicate with the indoor base station to obtain the three-dimensional coordinate parameters of the barcode. The three-dimensional coordinates are displayed in real time on the interface of the touch screen intelligent control terminal. At the same time, assisted by the movement of the motor, optimize the coordinates in the vertical direction through the number of revolutions and movement distance of the motor, and display the barcode information and the corresponding coordinate information on the interface list page of the touch screen intelligent control terminal.

[0028] Upload information: Upload the recognized barcode picture, recognition result and the three-dimensional coordinate positioning information of the barcode to the server through the network.

[0029] As a preferred technical solution, while reading the barcodes of the goods, obtain the position of the current trolley in the warehouse and the height of the code reading device, process the position data of the trolley and the height data of the code reading device, determine the specific position of the goods in the warehouse, and the obtained goods position data will be stored together with the corresponding goods barcode information in the local industrial control computer or uploaded to the server using the network.

[0030] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0031] 1. The present invention can effectively solve the problem of low efficiency in sorting and inventorying warehouse goods, and greatly improve the efficiency of sorting and inventorying warehouse goods.

[0032] 2. The present invention realizes the function of saving the position information of the goods in the warehouse, and can quickly find the goods according to the information later, effectively solving the problem of difficult goods search in the warehouse.

[0033] 3. The present invention improves the efficiency of warehouse goods sorting, reduces the difficulty of finding goods in the warehouse, and effectively reduces the cost of warehouse management.

[0034] 4. The present invention integrates the entire set of code reading equipment onto a trolley, which is flexible and convenient. At the same time, the present invention is equipped with a set of intelligent terminals, which are simple and easy to operate, reducing the labor intensity of the code scanning personnel in the warehouse. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 is a schematic structural diagram of the code reading equipment side of the warehouse code reading trolley of the present invention;

[0036] Figure 2 is a schematic structural diagram of the personnel operation side of the warehouse code reading trolley of the present invention;

[0037] Figure 3 is a schematic structural diagram of the assembled structure of the movable chassis, main frame pusher of the warehouse code reading trolley of the present invention;

[0038] Figure 4 is a schematic structural diagram of the assembled structure of the movable chassis, main frame vertical rod, liftable code reading mechanism, and code reading equipment of the warehouse code reading trolley of the present invention;

[0039] Figure 5 is an enlarged view of the installation method of the goods positioning module of the warehouse code reading trolley of the present invention;

[0040] Figure 6 is an enlarged view of the installation method of the industrial control computer and power supply device of the warehouse code reading trolley of the present invention.

[0041] Explanation of the reference numerals in the drawings: 1. Movable chassis; 2. Main frame vertical rod; 3. Main frame pusher; 4. Liftable code reading mechanism; 5. Dust-proof protective cover; 6. Code reading equipment; 7 - Industrial control computer; 8. Touch screen intelligent control terminal; 9 - Goods positioning module; 10. Power supply device; 1-1. Directional caster; 1-2. Universal caster; 1-3. Chassis; 3-1. Frame body; 3-2. Grip; 4-1. Motor; 4-2. Lead screw module; 4-3. Equipment installation bracket. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0042] The present invention will be further described in detail below in conjunction with the embodiments and the drawings, but the embodiments of the present invention are not limited thereto.

[0043] Embodiment

[0044] As Figure 1 and Figure 2 、 Figure 5 、 Figure 6As shown in the figure, a barcode reading trolley for a warehouse according to the present invention includes a movable chassis 1, a main frame vertical rod 2, a main frame pusher 3, a liftable barcode reading mechanism 4, a dust-proof protective cover 5, a barcode reading device 6, an industrial control computer 7, a goods positioning module 9, a touch screen intelligent control terminal 8, and a power supply device 10.

[0045] The movable chassis 1 is located at the bottom of the trolley and is used to carry the whole set of equipment, including directional casters 1-1, universal casters 1-2, and a chassis 1-3; the front of the chassis 1-3 is equipped with directional casters 1-1, and the rear is equipped with universal casters 1-2, which can be freely pushed on the warehouse floor, easily and effortlessly, and with flexible steering; the main frame pusher 3 is installed at the rear side of the movable chassis 1 and is used to push the trolley forward; the main frame vertical rod 2 is installed in the middle of the movable chassis 1 and is connected by screws; the liftable barcode reading mechanism 4 is installed on the front side of the main frame vertical rod 2; the dust-proof protective cover 5 is installed on the periphery of the equipment to protect the internal electrical equipment; the barcode reading device 6 is located on the front side of the liftable barcode reading mechanism 4; the touch screen intelligent control terminal 8 is installed on the top of the main frame pusher 3, and the goods positioning module, industrial control computer 7, and power supply device 10 are located inside the dust-proof protective cover 5.

[0046] As Figure 3 shown, the main frame pusher 3 includes a frame body 3-1 and a grip sleeve 3-2; the frame body 3-1 is connected to the movable chassis 1 by screws, and the height of the frame body 3-1 is set to a height that conforms to the operating habits of most people to improve the operating comfort of the whole set of equipment; the touch screen intelligent control terminal 8 is installed on the top of the frame body 3-1, and the terminal equipment can be conveniently operated during the process of pushing the trolley.

[0047] As Figure 4 shown, the liftable barcode reading mechanism 4 includes a motor 4-1, a lead screw module 4-2, and an equipment mounting bracket 4-3; the lead screw module 4-2 is connected to the main frame vertical rod 2 by screws; the lead screw module 4-2 is connected to the equipment mounting bracket 4-3 by screws; the equipment mounting bracket 4-3 is connected to the barcode reading device 6 by screws; the power generated by the motor 4-1 is transmitted through the lead screw module 4-2 to enable the equipment mounting bracket 4-3 to move up and down to adjust the height, so as to achieve the purpose of reading barcodes at different heights.

[0048] The barcode reading device 6 includes a machine vision light source and an industrial barcode reader, and includes two sets of barcode reading devices 6 in the left and right directions, which can simultaneously read barcode information on two columns of shelves; the industrial barcode reader is connected to the industrial control computer through a data transmission line.

[0049] While reading the barcode of the goods, the goods positioning module obtains the location of the current trolley in the warehouse and the height of the barcode reading device 6. The obtained goods location data will be stored together with the corresponding goods barcode information in the local industrial control computer or uploaded to the server using the network; by processing the location data of the trolley and the height data of the barcode reading device 6, the specific location of the goods in the warehouse can be determined, which provides the possibility for quickly finding the goods in the later stage.

[0050] In this embodiment, the touch screen intelligent control terminal 8 includes a positioning module, an information uploading module, a movement control module, a barcode screening module, and a duplicate removal module;

[0051] The positioning and display module can communicate with the indoor base station to obtain the three-dimensional coordinate data of the barcode;

[0052] The information uploading module can upload the barcode and the scanning result recognized by the barcode reading device 6 to the server through the network;

[0053] The movement control module can control the liftable barcode reading mechanism 4 to move the device mounting bracket 4-3 up and down;

[0054] The barcode screening module can screen out the content required for actual business according to the barcode type and coding rules;

[0055] The duplicate removal module can block the barcodes that are repeatedly recognized.

[0056] In summary, the touch-screen intelligent control terminal 8 realizes functions such as positioning display, uploading information, camera movement control, barcode screening, and duplicate removal. The positioning function is achieved through a positioning module installed in the trolley. By communicating with the indoor base station, the three-dimensional coordinate parameters of the barcode can be obtained, and the three-dimensional coordinates are displayed in real time on the software interface. Supplementary to the movement of the motor, the coordinates in the vertical direction are optimized based on the rotation speed and movement distance of the motor. At this time, the barcode information and the corresponding coordinate information are displayed in the list page of the software interface. The function of uploading information is to transmit the barcode pictures and scanning results recognized by the camera to the server through wifi for the server to use. The camera movement control function realizes two camera movement control modes. One is that when the start button is clicked, the camera moves continuously up and down, and stops moving when the stop button is clicked. In this mode, the barcodes of the entire shelf can be read. When starting to move, scanning and reading codes start, and when stopping, scanning ends and the camera is closed. The other mode is to manually click the button to move it up or down, and stop when reaching both ends or clicking the stop button. In this mode, when the stop movement button is clicked, the camera still keeps reading codes. The purpose is to facilitate the user to push the trolley horizontally to read barcodes at the same height. When the stop collection button is clicked, the camera stops reading codes. The barcode screening function is to screen the barcodes recognized by the camera in the background. According to the barcode type and coding rules of the customer, only the barcodes that meet the conditions are screened, including removing redundant prefixes and suffixes, retaining the content required by the customer, and displaying it in the software interface. The duplicate removal function is to remove barcodes that are recognized multiple times. According to the actual business requirements, the barcodes read can only be displayed once in the system. When the barcode appears for the second time, it will be automatically blocked. If it needs to be entered again, the reset data button needs to be clicked to clear the current barcode data.

[0057] In this embodiment, the power supply device is a rechargeable mobile power supply, mainly including an inverter controller, a rechargeable lead-acid battery or a lithium battery, a battery storage box, etc., which mainly provides power for the operation of the entire device.

[0058] The present invention also provides a control method for the warehouse barcode reading trolley, including the following steps:

[0059] S1. Movement control, select the working mode, and read the barcodes of the goods on the shelf; there are two working modes. One is that the height of the barcode reading device 6 is fixed, push the trolley forward, and read the barcode information of the goods within this height. The other is that the height of the barcode reading device 6 changes up and down. Push the trolley to read all the barcode information of the goods in this vertical direction and then push the trolley forward to read the next batch of goods.

[0060] Furthermore, there are two working modes, namely the automatic mode and the manual mode;

[0061] In the automatic mode, the equipment installation bracket moves continuously up and down in a reciprocating manner, and the code reading device remains in the working state of reading codes. After stopping this mode, the movement of the equipment installation bracket stops and the code reading device stops reading codes;

[0062] In the manual mode, the height of the equipment installation bracket can be freely adjusted up and down as needed. After the equipment installation bracket is adjusted to the required height, the code reading device remains in the working state of reading codes.

[0063] S2. Duplicate removal: Remove barcodes that have been recognized multiple times. According to the actual business requirements, the read barcodes can only be displayed once in the touch-screen intelligent terminal 8. When the barcode appears for the second time, it is automatically blocked. If it needs to be entered again, the reset data button needs to be clicked to clear the current barcode data;

[0064] S3. Barcode screening: Perform background screening on the barcodes recognized by the code reading device 6, analyze according to the customer's barcode type and coding rules, and screen out the barcodes that meet the conditions, including removing redundant prefixes and suffixes, retaining the content required by the customer, and displaying it on the interface of the touch-screen intelligent control terminal 8;

[0065] S4. Positioning: Communicate with the indoor base station to obtain the three-dimensional coordinate parameters of the barcode. The three-dimensional coordinates are displayed in real time on the interface of the touch-screen intelligent control terminal 8; supplemented by the movement of the motor 4-1, through the rotation speed and movement distance of the motor 4-1, the coordinates in the vertical direction are optimized, and the barcode information and the corresponding coordinate information are displayed in the interface list page of the touch-screen intelligent control terminal 8;

[0066] S5. Upload information: Upload the recognized barcode picture, recognition result, and three-dimensional coordinate positioning information of the barcode to the server through the network together, so that the goods can be quickly found according to the information during later searches.

[0067] Furthermore, when reading the goods barcode, obtain the location of the current trolley in the warehouse and the height of the code reading device, process the location data of the trolley and the height data of the code reading device, determine the specific location of the goods in the warehouse, and the obtained goods location data will be stored together with the corresponding goods barcode information in the local industrial control computer or uploaded to the server using the network.

[0068] The warehouse code reading trolley of the present invention is simple and easy to operate, greatly improves the efficiency of sorting and inventorying warehouse goods, saves the location information of the goods in the warehouse for quick search later, reduces the cost of warehouse management, and also shows strong flexibility and convenience, reducing the labor intensity of the barcode scanning personnel in the warehouse.

[0069] It should also be noted that in this specification, terms such as "including", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0070] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features disclosed herein.

Claims

1. A warehouse code-reading trolley, characterized in that, It includes a movable chassis, main frame vertical poles, main frame push handles, a liftable code reading mechanism, a dust-proof protective cover, a code reading device, an industrial control computer, a touch screen intelligent control terminal, and a goods positioning module; the main frame vertical poles and main frame push handles are both arranged on the movable chassis, the liftable code reading mechanism is arranged on the main frame vertical poles, the code reading device is arranged on the liftable code reading mechanism, the industrial control computer and the goods positioning module are arranged inside the dust-proof protective cover, the touch screen intelligent control terminal is arranged on the main frame push handle, and the touch screen intelligent control terminal is connected to the industrial control computer; The liftable code reading mechanism includes a motor, a lead screw module, and an equipment installation bracket; the lead screw module is arranged on the main frame vertical pole, the equipment installation bracket is arranged on the lead screw module, and the power generated by the motor is transmitted through the lead screw module to adjust the height of the equipment installation bracket up and down; The code reading device is fixedly arranged on the equipment installation bracket and includes a machine vision light source and an industrial code reader; the industrial code reader is connected to the industrial control computer through a transmission line; When the goods positioning module reads the goods bar code, it can obtain the position data of the current trolley in the warehouse and the height data of the code reading device, and the obtained data can be stored in the industrial control computer or uploaded to the server through the network; The touch screen intelligent control terminal includes a positioning display module, an upload information module, a movement control module, a bar code screening module, and a duplicate removal module; The positioning display module can communicate with the base station in the room to obtain the three-dimensional coordinate data of the bar code; The upload information module can upload the bar code and the scanning result recognized by the code reading device to the server through the network; The movement control module can control the liftable code reading mechanism to move the equipment installation bracket up and down; The bar code screening module can screen out the content required for actual business according to the bar code type and coding rules; The duplicate removal module can shield the repeatedly recognized bar codes; The control method of the warehouse code reading trolley includes the following steps: Movement control, select the working mode of the trolley to read the bar codes of the goods on the shelf; Duplicate removal, remove the bar codes that are recognized multiple times. According to the actual business requirements, the read bar codes can only be displayed once in the touch screen intelligent terminal. When the bar code appears for the second time, it will be automatically shielded; Bar code screening, perform background screening on the bar codes after duplicate removal, analyze according to the bar code type and coding rules of the customer, screen out the qualified bar codes, including removing the redundant prefixes and suffixes, retaining the content required by the customer and displaying it on the interface of the touch screen intelligent control terminal; Positioning, communicate with the base station in the room to obtain the three-dimensional coordinate parameters of the bar code. The three-dimensional coordinates are displayed in real time on the interface of the touch screen intelligent control terminal. At the same time, assisted by the movement of the motor, through the number of revolutions and movement distance of the motor, the coordinates in the vertical direction are optimized, and the bar code information and the corresponding coordinate information are displayed on the interface list page of the touch screen intelligent control terminal; Upload information, upload the recognized bar code picture, recognition result, and the three-dimensional coordinate positioning information of the bar code to the server through the network together.

2. The warehouse code reading trolley according to claim 1, characterized in that The movable chassis is located at the bottom of the trolley and includes casters and a chassis; there are multiple casters, which are arranged under the chassis. The casters arranged at the front of the chassis are fixed casters, and the casters arranged at the rear of the chassis are swivel casters; the chassis is connected to the main frame pusher.

3. The warehouse code-reading trolley according to claim 1, wherein, The main frame pusher includes a frame body and a handle grip; the bottom of the frame body is connected to the movable chassis, and a touch screen intelligent control terminal is arranged at the top.

4. The warehouse code reading trolley according to claim 1, characterized in that, There are two sets of code reading devices, which are respectively arranged on the left and right sides of the device mounting bracket.

5. The warehouse code reading trolley according to claim 1, characterized in that, The movement control module includes two control schemes, namely, an automatic mode and a manual mode; In the automatic mode, the device mounting bracket continuously moves up and down back and forth, and the code reading device maintains the working state of code reading. After this mode is stopped, the movement of the device mounting bracket stops and the code reading device stops reading codes; In the manual mode, the height of the device mounting bracket can be freely adjusted up and down as needed. After the device mounting bracket is adjusted to the required height, the code reading device maintains the working state of code reading.

6. The warehouse code reading trolley according to claim 1, characterized in that, It also includes a power supply device, and the power supply device is a rechargeable mobile power supply.

7. The warehouse code reading trolley according to claim 1, characterized in that, While reading the barcode of the goods, obtain the location of the current trolley in the warehouse and the height of the code reading device, process the location data of the trolley and the height data of the code reading device, determine the specific location of the goods in the warehouse, and the obtained goods location data will be stored together with the corresponding goods barcode information in the local industrial control computer or uploaded to the server using the network.

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