CN107051891B - Moving trolley positioning and identifying method based on bar code - Google Patents
Moving trolley positioning and identifying method based on bar code Download PDFInfo
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- CN107051891B CN107051891B CN201710269246.2A CN201710269246A CN107051891B CN 107051891 B CN107051891 B CN 107051891B CN 201710269246 A CN201710269246 A CN 201710269246A CN 107051891 B CN107051891 B CN 107051891B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C3/00—Sorting according to destination
- B07C3/02—Apparatus characterised by the means used for distribution
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Abstract
The invention discloses a moving trolley positioning and identifying method based on bar codes, which comprises the following steps: numbering the trolleys by using one-dimensional bar codes: numbering the trolleys on the loop line of the cross belt sorting machine according to the advancing direction, and sticking one-dimensional bar codes for numbering at the fixed positions of side plates of each trolley; and a high-speed scanning gun is fixedly arranged beside the loop: the scanning gun should be close to one side of the server as much as possible, and the installation position is taken as the origin of the loop trolley; communication processing: the scanning gun is connected with the server through a USB interface; positioning identification processing: the server judges the position of the trolley according to the processing of the system on the trolley position number information; and determining the speed of the loop according to the time when the Nth trolley passes through the scanning gun. The method disclosed by the invention mainly aims at the special requirement of positioning and identifying the crossed belt sorting machine trolley in the field of logistics express delivery, and solves the positioning problem by adopting a code scanning technology. Meanwhile, the loop speed can be accurately calculated according to the method, and the accuracy of the package feeding is improved. The control method is simple and has high reliability.
Description
Technical Field
The invention belongs to the technical field of automatic sorting of logistics express and mainly relates to a positioning and identifying method for a moving trolley of a logistics cross belt sorting machine based on a bar code.
Background
The existing logistics express delivery automatic sorting technology mainly adopts a cross belt sorting machine, and the positioning identification of a trolley on a loop line of the cross belt sorting machine is mainly processed by a method of finding an original point by a proximity switch at present. A proximity switch is installed at a certain fixed position of a cross belt loop, an inductor is installed on the No. 1 trolley, and due to the fact that vibration exists in the operation process of the cross belt sorting machine, the distance between the proximity switch and the inductor is easy to be reduced or increased after a long time, and the positioning identification of the trolley can be seriously influenced no matter what consequences are caused. In addition, the cross belt sorting machine has high requirement on speed in the operation process, the speed of a loop line needs to be continuously detected in the control process, the currently mainly adopted method is to continuously install a plurality of proximity switches and detect the time of the passing of adjacent trolleys to measure the speed of the loop line, signals of sensors are easy to lose in the actual operation process, and the adjacent trolleys are used for testing, so that the speed of the loop line is inaccurate, and the accuracy of the package on a package table of the cross belt sorting machine is seriously influenced.
Disclosure of Invention
The invention mainly solves the problems of accurate positioning and identification in the operation process of the crossed belt sorting machine trolley, and the serial number of the trolley can be known only by starting the trolley no matter what the speed of a loop; meanwhile, the speed of the loop can be accurately calculated, so that the speed of the loop can be accurately matched by the bag feeding table, and accurate bag feeding is achieved.
The technical scheme of the invention is as follows:
a moving trolley positioning and identifying method based on bar codes comprises the following steps:
numbering the trolleys by using one-dimensional bar codes: numbering the trolleys on the loop line of the cross belt sorting machine according to the advancing direction, and sticking one-dimensional bar codes for numbering at the fixed positions of side plates of each trolley;
and a high-speed scanning gun is fixedly arranged beside the loop: fixedly mounting a high-speed scanning gun beside the loop, wherein the scanning gun is close to one side of the server as much as possible, and the mounting position is taken as the original point of the loop trolley;
communication processing: the scanning gun is connected with the server through a USB interface;
positioning identification processing: the server judges the position of the trolley according to the processing of the system on the trolley position number information; and determining the speed of the loop according to the time when the Nth trolley passes through the scanning gun.
Further, an industrial grade high-speed fixed scanning gun Microscan MS-3 is adopted.
Further, the positioning identification processing is to fixedly install a high-speed scanning gun beside the loop, the installation position is taken as the original point of the loop trolley, the width of each trolley is the same, the trolleys are in hard connection with each other, the circumference of the whole loop is fixed, the number of the trolley at any position is determined after the position of the trolley at the original point is correctly determined, each trolley has a unique bar code number, the running speed of the loop is accurately determined by the time that a certain trolley passes through the scanning gun for the second time, or the speed of the loop is calculated by judging the time that N trolleys pass through the scanning gun according to the number of the corresponding trolley stored in the server.
The invention has the following beneficial effects:
the method disclosed by the invention mainly aims at the special requirement of positioning and identifying the crossed belt sorting machine trolley in the field of logistics express delivery, and solves the positioning problem by adopting a code scanning technology. Meanwhile, the loop speed can be accurately calculated according to the method, and the accuracy of the package feeding is improved. The control method is simple and has high reliability.
Drawings
FIG. 1 is a schematic view of a prior art cross-belt sorter;
FIG. 2 is a schematic view of a bar code and scan gun installation.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The cross-belt sorter structure of the present invention is shown in figure 1. The packages are sent to the trolleys through the packaging table, and a certain number of trolleys form an annular production line. And the two sides of the trolley are provided with a grid opening group along the rear part of the upper packing table in the travelling direction of the trolley, and the components in the trolley are conveyed into the grid opening.
The invention relates to a moving trolley positioning and identifying method based on bar codes, which mainly comprises the following steps:
firstly, an industrial-grade high-speed fixed scanning gun is adopted: microscan MS-3 has the fastest decoding speed up to 1,000 times per second, has high code reading speed, and can ensure the accuracy of each scanning by a powerful decoding operation technology. And the volume is minimum, and the installation flexibility ratio is very big, is convenient for install in narrow and small space.
Secondly, numbering the trolleys by using one-dimensional bar codes: the trolleys on the loop line of the cross belt sorting machine are numbered according to the advancing direction, and one-dimensional bar codes for numbering are attached to the side plate fixing positions of the trolleys.
Thirdly, fixedly mounting a high-speed scanning gun beside the loop: and a high-speed scanning gun is fixedly arranged beside the loop, and the scanning gun is close to one side of the server as much as possible. The mounting position can be regarded as the origin of the loop trolley.
Thirdly, communication processing: the scanning gun is connected with the server through a USB interface.
Fourthly, positioning identification processing: the server processes the serial number information of the trolley position according to the system, namely, the high-speed scanning gun is fixedly arranged beside the loop, the installation position can be regarded as the original point of the loop trolley, the width of each trolley is the same, and the trolleys are in hard connection, so the perimeter of the whole loop is fixed. The serial number of the trolley at any position can be determined as long as the position of the trolley at the origin is correctly determined. And each trolley is provided with a unique one-dimensional bar code number, so that the running speed of the loop can be accurately determined by the time when a certain trolley passes through the scanning gun for the second time, and the speed of the loop can be calculated by judging the time when N trolleys pass through the scanning gun according to the number of the corresponding trolley stored in the server. No matter how the speed changes, the number of the trolley on each packing table can be known as long as the original point position number is determined, the position of the trolley is judged, and the judgment on which trolley the package is sent into is simpler and more accurate. Meanwhile, the speed of the loop can be determined according to the time of the N trolleys passing through the scanning gun, and the accuracy is high. Every time the machine is started, the bag can be accurately packed as long as the loop speed reaches the set speed, no matter where the first trolley is, the position of each trolley is equivalent to the original position, and the control is convenient.
In summary, the above is provided. The control method of the invention adopts the industrial grade high-speed scanning gun to distribute a bar code to each trolley, each passing trolley can be positioned and identified in the running process of the trolley, the control is convenient, and meanwhile, the speed of a loop can be accurately calculated to achieve accurate packaging. The method has high reliability and low cost, and improves the accuracy of the package.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A moving trolley positioning and identifying method based on bar codes comprises the following steps:
numbering the trolleys by using one-dimensional bar codes: numbering the trolleys on the loop line of the cross belt sorting machine according to the advancing direction, and sticking one-dimensional bar codes for numbering at the fixed positions of side plates of each trolley;
and a high-speed scanning gun is fixedly arranged beside the loop: fixedly installing a high-speed scanning gun beside the loop, wherein the scanning gun is close to one side of the server, and the installation position is taken as the original point of the loop trolley;
communication processing: the scanning gun is connected with the server through a USB interface;
positioning identification processing: the server judges the position of the trolley according to the processing of the system on the trolley position number information; meanwhile, the speed of the loop line is determined according to the time of the Nth trolley passing through the scanning gun;
the positioning identification processing is that a high-speed scanning gun is fixedly installed beside a loop, the installation position is regarded as the original point of loop trolleys, the width of each trolley is the same, the trolleys are in hard connection with each other, the perimeter of the whole loop is fixed, the number of the trolley at any position is determined after the position of the trolley at the original point is correctly determined, each trolley has a unique bar code number, the running speed of the loop is accurately determined by the time that a certain trolley passes through the scanning gun for two times, or the speed of the loop is calculated by judging the time that N trolleys pass through the scanning gun according to the number of the corresponding trolley stored in a server.
2. The moving trolley positioning and identifying method based on the bar code as claimed in claim 1, wherein: an industrial grade high-speed fixed scanning gun Microscan MS-3 is adopted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269246.2A CN107051891B (en) | 2017-04-24 | 2017-04-24 | Moving trolley positioning and identifying method based on bar code |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710269246.2A CN107051891B (en) | 2017-04-24 | 2017-04-24 | Moving trolley positioning and identifying method based on bar code |
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| Publication Number | Publication Date |
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| CN107051891A CN107051891A (en) | 2017-08-18 |
| CN107051891B true CN107051891B (en) | 2020-03-27 |
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| CN107655432A (en) * | 2017-10-16 | 2018-02-02 | 江苏唯侓机器人科技有限公司 | A kind of logo pastes detection device |
| CN111715549A (en) * | 2019-03-20 | 2020-09-29 | 威海新北洋正棋机器人股份有限公司 | Cross sorting system and sorting method |
| CN110745484A (en) * | 2019-11-08 | 2020-02-04 | 上海知此电子科技有限公司 | Logistics sorting line trolley positioning and control method |
| CN112987710A (en) * | 2019-11-29 | 2021-06-18 | 深圳市大富科技股份有限公司 | Navigation server, AGV, navigation system and navigation method |
| CN113333298B (en) * | 2020-03-03 | 2022-11-29 | 顺丰科技有限公司 | Cross-band control method, system, computer device, and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| IL107265A0 (en) * | 1993-10-12 | 1994-01-25 | Galai Lab Ltd | Parcel sorting system |
| CN201633749U (en) * | 2010-05-21 | 2010-11-17 | 岳阳千盟电子有限公司 | Magnetic steel detection device for rail-type transport vehicle |
| JP6260132B2 (en) * | 2013-07-31 | 2018-01-17 | シンフォニアテクノロジー株式会社 | Speed detector for parts feeder and parts feeder |
| CN103708160A (en) * | 2014-01-21 | 2014-04-09 | 苏州沃伦韦尔高新技术股份有限公司 | Logistics positioning operational track logistics system and identifying and positioning method thereof |
| CN205413648U (en) * | 2016-03-19 | 2016-08-03 | 张高强 | Roundabout takes sorting machine automated inspection mechanism |
| CN105618384A (en) * | 2016-03-19 | 2016-06-01 | 张高强 | Intelligent sorting machine with annular crossed belt |
| CN205797787U (en) * | 2016-07-04 | 2016-12-14 | 长沙长泰智能装备有限公司 | Traffic circle band sorter |
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