CN113420851B - Luggage supervision system and method - Google Patents

Luggage supervision system and method Download PDF

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CN113420851B
CN113420851B CN202110530349.6A CN202110530349A CN113420851B CN 113420851 B CN113420851 B CN 113420851B CN 202110530349 A CN202110530349 A CN 202110530349A CN 113420851 B CN113420851 B CN 113420851B
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luggage
baggage
photoelectric sensing
characteristic information
camera
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CN113420851A (en
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王有元
陈�胜
贺林
廖柳坤
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Maxvision Technology Corp
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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
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • 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
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/361—Processing or control devices therefor, e.g. escort memory
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
    • G06K17/0025—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device the arrangement consisting of a wireless interrogation device in combination with a device for optically marking the record carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/083—Shipping
    • G06Q10/0833—Tracking

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  • Control Of Conveyors (AREA)

Abstract

The application provides a luggage supervision system and a method, wherein the luggage supervision comprises the following steps: recording the arrangement sequence of the luggage, and acquiring and pre-storing the characteristic information of the luggage; queuing the baggage into a conveyor according to the ordering; sensing the position of the arrival of the luggage by a photoelectric sensing device and calculating the actual time of the arrival of the luggage at the photoelectric sensing device; judging whether the actual time of the luggage arriving at the photoelectric sensing device is within a window period of the preset time of the luggage arriving at the photoelectric sensing device; judging whether the characteristic information of the current luggage is consistent with the prestored characteristic information of the luggage; according to the luggage supervision method, the luggage is tracked and positioned through time management of luggage transmission and characteristic information check of the luggage, the problem of luggage sorting dislocation caused by the problem of position disorder such as continuous package, rolling and sliding of the luggage in the transmission process is prevented, and the fault tolerance and the robustness of luggage supervision are improved.

Description

Luggage supervision system and method
Technical Field
The application belongs to the technical field of article supervision, and particularly relates to a luggage supervision system and method.
Background
In the occasions such as postal service, airport, etc., the workload of the luggage parcel transmission system is large, and the luggage needs to be checked, sorted, monitored, etc. in batches.
In the prior art, in order to improve the processing capacity of the objects such as the luggage and the like in the transmission system, the luggage and the like are sequentially labeled in the sorting process, and after the luggage reaches a fixed position according to judgment of light eyes on a conveyor belt, corresponding sorting actions are executed. However, baggage is prone to being misplaced during transportation, for example, when two items are packed together or closely spaced, or when baggage is displaced due to rolling or sliding during transportation, the system may mistake a plurality of pieces of baggage as one piece of baggage for sorting, and if the previous piece of baggage is misplaced, all the following pieces of baggage may be misplaced.
Disclosure of Invention
The embodiment of the application aims to provide a baggage supervision system and method, so as to solve the technical problem that the position sequence of baggage in the baggage supervision process in the prior art is disordered.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: a baggage surveillance method is provided comprising the steps of:
step S1, recording the arrangement sequence of the luggage, and acquiring and pre-storing characteristic information of the luggage;
s2, queuing the luggage into a conveyor belt according to the arrangement sequence;
s3, sensing the arrival position of the luggage through a photoelectric sensing device and calculating the actual time of the luggage arriving at the photoelectric sensing device;
s4, judging whether the actual time of the luggage arriving at the photoelectric sensing device is within a window period of the preset time of the luggage arriving at the photoelectric sensing device;
if yes, acquiring characteristic information of the current luggage;
if not, removing the current luggage and checking the luggage arrangement sequence again from the next luggage;
s5, judging whether the characteristic information of the current luggage is consistent with the pre-stored characteristic information of the luggage or not;
if yes, sorting the current luggage;
if not, the current luggage is removed, and the luggage arrangement sequence is checked again from the next luggage.
Preferably, the method of recording the baggage arrangement order comprises the steps of:
generating and sequencing a plurality of groups of different serial numbers;
respectively attaching the serial numbers to corresponding labels;
each bag is labeled with a tag and the bags are sorted according to their serial number.
Preferably, the method for acquiring the characteristic information of the luggage comprises the following steps:
acquiring an image through a camera;
the target detection and identification system acquires a target area where the luggage is located from the image;
feature information in the target region is extracted.
Preferably, the characteristic information includes at least one of a shape, a size, and a color.
Preferably, the calculation formula of the actual time when the baggage reaches the photoelectric sensing device is as follows:
Figure BDA0003067435030000021
preferably, the calculation formula of the preset time for the baggage to reach the photoelectric sensing device is as follows:
Figure BDA0003067435030000022
preferably, the method for judging whether the actual time of the baggage arriving at the photoelectric sensing device is within the window period of the preset time of the baggage arriving at the photoelectric sensing device comprises the following steps:
if it is
Figure BDA0003067435030000023
Judging as yes;
if it is
Figure BDA0003067435030000024
Then the determination is no.
Preferably, after the current baggage is removed, the baggage is re-entered into the arrangement sequence and the characteristic information is acquired, and the baggage is queued into the conveyor belt according to the arrangement sequence.
The application also provides a luggage monitoring system, which comprises a background control center, a transmission device, a plurality of photoelectric sensing devices, a first camera, a second camera and sorting equipment, wherein the transmission device is in data connection with the background control center;
the first camera is arranged at the feeding end of the conveying device and used for acquiring characteristic information of the luggage;
the photoelectric sensing devices are arranged on the conveying device and used for sensing the luggage on the conveying device;
the second camera is arranged at the discharging end of the conveying device and used for acquiring characteristic information of the luggage;
the sorting equipment is arranged at the discharging end of the conveying device and used for sorting the luggage;
the background control center is used for recording the luggage arrangement sequence and acquiring data information of the conveying device, the photoelectric sensing devices, the first camera, the second camera and the sorting equipment in real time.
Preferably, the conveying device comprises a linear conveying belt and a rotating conveying belt, and the plurality of photoelectric sensing devices are arranged at the joint of the linear conveying belt and the rotating conveying belt.
Preferably, the baggage supervision system further comprises a spur belt connected to the conveying device.
The beneficial effect of the luggage supervision method that this application provided lies in: compared with the prior art, the luggage is tracked and positioned through time management of luggage transmission and characteristic information check of the luggage, the problem of luggage sorting dislocation caused by the problem of position disorder such as continuous package, rolling and sliding of the luggage in the transmission process is prevented, and the fault tolerance and the robustness of luggage supervision are improved.
The beneficial effect of the luggage supervisory systems that this application provided lies in: compared with the prior art, the luggage monitoring system can acquire the data information of the conveying device, the photoelectric sensing devices, the first camera, the second camera and the sorting equipment in real time, monitor the position, the characteristic information and the transmission time of luggage and effectively detect the problem of disorder of luggage positions.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic flowchart of a baggage supervision method according to an embodiment of the present application;
fig. 2 is a schematic block diagram of a baggage surveillance system provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of the baggage supervision system in fig. 2.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
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 application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, a baggage monitoring method 100 according to an embodiment of the present application will now be described. The baggage supervision method 100 comprises the steps of:
step S1, recording the arrangement sequence of the luggage, and acquiring and pre-storing characteristic information of the luggage;
s2, queuing the luggage into a conveyor belt according to the arrangement sequence;
s3, sensing the arrival position of the luggage through the photoelectric sensing device and calculating the actual time of the luggage arriving at the photoelectric sensing device;
s4, judging whether the actual time of the luggage arriving at the photoelectric sensing device is within a window period of the preset time of the luggage arriving at the photoelectric sensing device;
if so, acquiring characteristic information of the current luggage;
if not, removing the current luggage and checking the luggage arrangement sequence again from the next luggage;
s5, judging whether the characteristic information of the current luggage is consistent with the pre-stored characteristic information of the luggage or not;
if yes, sorting the current luggage;
if not, the current luggage is removed, and the luggage arrangement sequence is checked again from the next luggage.
It can be understood that, the baggage supervision method 100 determines whether the baggage is in disorder of position such as continuous baggage, rolling, sliding, etc. during the transportation process by recording the baggage arrangement sequence and comparing whether the actual transportation time of each baggage meets the requirement with the preset time.
Meanwhile, the baggage supervision method 100 further improves the accuracy of baggage transportation and sorting by acquiring and pre-storing characteristic information of baggage in advance, then checking the characteristic information before sorting the current baggage, and performing baggage appearance analysis and tracking to assist in discrimination.
Meanwhile, if the position is disordered, the current luggage can be rejected, the luggage arrangement sequence is re-checked from the next luggage, the normal sequence is restored again, and workers only need to re-sequence the disordered luggage independently, so that the situation that all the luggage at the back is staggered is avoided.
The beneficial effects of the baggage supervision method 100 provided by the present application are: compared with the prior art, the luggage is tracked and positioned through time management of luggage transmission and characteristic information check of the luggage, the problem of luggage sorting dislocation caused by the problem of position disorder such as continuous package, rolling and sliding of the luggage in the transmission process is prevented, and the fault tolerance and the robustness of luggage supervision are improved.
In another embodiment of the present application, referring to fig. 1, the method for recording the baggage arranging order includes the following steps:
generating and sequencing a plurality of groups of different serial numbers;
respectively attaching the serial numbers to corresponding labels;
each bag is labeled with a tag and the bags are sorted according to their serial number.
It will be appreciated that the serial number may be generated as letters, numbers, bar codes, two-dimensional codes, etc., or may be electronically encoded, with the intent of ensuring that the serial number is readable and exists in a unique form. Because the sorting system can sort the luggage into different regions according to the arrangement sequence of the luggage to carry out the procedures of detection or storage and the like, the owner of the luggage can be confirmed through the serial number, and if the suspicious luggage is detected, the corresponding owner can be found through the serial number.
In another embodiment of the present application, referring to fig. 1, the method for obtaining characteristic information of an item of baggage includes the following steps:
acquiring an image through a camera;
the target detection and identification system acquires a target area where the luggage is located from the image;
feature information in the target region is extracted.
Specifically, referring to fig. 1, the characteristic information includes at least one of a shape, a size, and a color.
It can be understood that the shape, size and color in the image are collected and extracted through the image, and the judgment is assisted through tracking, so that the accuracy of the luggage transportation and sorting is further improved.
In another embodiment of the present application, please refer to fig. 1, if n photoelectric sensing devices are disposed on the conveyor belt, and the time when the baggage just enters the conveyor belt is denoted as T 0 The time when each piece of luggage sequentially reaches the n photoelectric sensing devices is T 1 ～T n Then, the calculation formula of the actual time when the baggage reaches the photoelectric sensing device is as follows:
Figure BDA0003067435030000061
specifically, the distance of the baggage passing through the n photoelectric sensing devices to be transmitted is L 1 ～L n The average transport speed of the conveyor belt corresponding to the run is V 1 ～V n Then, the calculation formula of the preset time for the baggage to reach the photoelectric sensing device is as follows:
Figure BDA0003067435030000062
specifically, if the range of the window period is set to be k, the method for determining whether the actual time of the baggage arriving at the photoelectric sensing device is within the window period of the preset time of the baggage arriving at the photoelectric sensing device includes:
if it is
Figure BDA0003067435030000071
Judging as yes;
if it is
Figure BDA0003067435030000072
Then the determination is no.
In another embodiment of the present application, referring to fig. 1, after the current baggage is rejected, the baggage is re-entered into the sorting order and the characteristic information is obtained, and the baggage is queued into the conveyor according to the sorting order.
It will be appreciated that after the current baggage has been rejected, the baggage may be re-checked for convenience because the baggage may be repositioned when it is re-placed on the conveyor. For example, when a piece of baggage is first placed on the conveyor belt, the piece of baggage is right side up, and when a second piece of baggage is placed on the conveyor belt, the piece of baggage is right side up, and therefore, the characteristic information thereof may be changed, and it is necessary to re-enter the arrangement order and acquire the characteristic information.
Referring to fig. 2-3, a baggage surveillance system 200 is also provided.
The baggage supervision system 200 comprises a background control center 210, a transmitting device 260 in data connection with the background control center 210, a plurality of photoelectric sensing devices 220, a first camera 230, a second camera 240 and a sorting device 250.
Specifically, the first camera 230 is disposed at a feeding end of the conveying device 260, and is configured to obtain characteristic information of the baggage.
The plurality of photoelectric sensing devices 220 are disposed on the conveying device 260, and are used for sensing the baggage on the conveying device 260.
The second camera 240 is disposed at a discharging end of the conveying device 260, and is configured to acquire characteristic information of the baggage.
The sorting device 250 is disposed at the discharging end of the conveying device 260 and is used for sorting the luggage.
The background control center 210 is configured to record an arrangement order of the baggage, and obtain data information of the conveying device 260, the plurality of photoelectric sensing devices 220, the first camera 230, the second camera 240, and the sorting apparatus 250 in real time.
The beneficial effects of the luggage supervisory systems 200 that this application provided lie in: compared with the prior art, the baggage supervision system 200 may acquire data information of the conveying device 260, the plurality of photoelectric sensing devices 220, the first camera 230, the second camera 240 and the sorting equipment 250 in real time, monitor the position, the characteristic information and the transmission time of the baggage, and effectively detect the problem of baggage position disorder.
In another embodiment of the present application, referring to fig. 2 to fig. 3, the conveying device 260 includes a linear conveyer 261 and a rotary conveyer 262, and a plurality of the photoelectric sensing devices 220 are disposed at the connection between the linear conveyer 261 and the rotary conveyer 262.
It can be understood that, since the problem of the position disorder of the baggage such as the bag-linking, the rolling, the sliding, etc. during the transportation process is mostly at the connection point of the linear conveyer 261 and the rotary conveyer 262, the problem of the position disorder of the baggage can be effectively detected by providing a plurality of the photoelectric sensing devices 220 at the connection point of the linear conveyer 261 and the rotary conveyer 262.
In another embodiment of the present application, referring to fig. 2-3, the baggage monitoring system 200 further comprises a spur belt (not shown) connected to the conveyor 260.
It will be appreciated that if a baggage mess is detected, the baggage may be transferred out by passing it through a spur belt and the sequence of baggage may be re-checked by the operator starting with the next baggage in order to properly sort all of the baggage.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (7)

1. A baggage surveillance method, comprising the steps of:
step S1, recording the arrangement sequence of the luggage, and acquiring and pre-storing characteristic information of the luggage;
s2, queuing the luggage into a conveyor belt according to the arrangement sequence;
s3, sensing the arrival position of the luggage through the photoelectric sensing device and calculating the actual time of the luggage arriving at the photoelectric sensing device;
s4, judging whether the actual time of the luggage arriving at the photoelectric sensing device is within a window period of the preset time of the luggage arriving at the photoelectric sensing device;
if so, acquiring characteristic information of the current luggage;
if not, removing the current luggage and checking the luggage arrangement sequence again from the next luggage;
s5, judging whether the characteristic information of the current luggage is consistent with the pre-stored characteristic information of the luggage or not;
if yes, sorting the current luggage;
if not, removing the current luggage and checking the luggage arrangement sequence again from the next luggage;
wherein the method for recording the baggage arranging sequence comprises the following steps:
generating and sequencing a plurality of groups of different serial numbers;
respectively attaching the serial numbers to corresponding labels;
each luggage is stuck with a label, and the luggage is sorted according to the serial number;
the serial number is a bar code or a two-dimensional code;
n photoelectric sensing devices are arranged on the conveyor belt, and the moment when the luggage just enters the conveyor belt is marked as T 0 The time when each piece of luggage sequentially reaches the n photoelectric sensing devices is T 1 ～T n Then, the calculation formula of the actual time when the baggage reaches the photoelectric sensing device is as follows:
Figure FDA0003960671810000011
the distance of the luggage needing to be transmitted by the n photoelectric sensing devices is L 1 ～L n The average transport speed of the conveyor belt corresponding to the run is V 1 ～V n Then, the calculation formula of the preset time for the baggage to reach the photoelectric sensing device is as follows:
Figure FDA0003960671810000021
if the range of the window period is set to be k, the method for judging whether the actual time of the baggage arriving at the photoelectric sensing device is within the window period of the preset time of the baggage arriving at the photoelectric sensing device is as follows:
if it is
Figure FDA0003960671810000022
Judging as yes;
if it is
Figure FDA0003960671810000023
Then the determination is no.
2. The baggage supervision method according to claim 1, wherein said method of obtaining characteristic information of baggage comprises the steps of:
acquiring an image through a camera;
the target detection and identification system acquires a target area where the luggage is located from the image;
feature information in the target region is extracted.
3. The method of claim 2, wherein the characteristic information includes at least one of shape, size, and color.
4. A baggage supervision method according to claim 1, characterized in that after the current baggage has been rejected, the baggage is re-entered into the sorting order and characteristic information is obtained, and the baggage is queued into the conveyer belt according to the sorting order.
5. A luggage supervision system is based on the luggage supervision method according to any one of claims 1 to 4, and is characterized by comprising a background control center, a transmission device, a plurality of photoelectric sensing devices, a first camera, a second camera and sorting equipment, wherein the transmission device, the photoelectric sensing devices, the first camera, the second camera and the sorting equipment are in data connection with the background control center;
the first camera is arranged at the feeding end of the conveying device and used for acquiring characteristic information of the luggage;
the photoelectric sensing devices are arranged on the conveying device and used for sensing the luggage on the conveying device;
the second camera is arranged at the discharging end of the conveying device and used for acquiring characteristic information of the luggage;
the sorting equipment is arranged at the discharging end of the conveying device and used for sorting the luggage;
the background control center is used for recording the arrangement sequence of the luggage and acquiring data information of the conveying device, the plurality of photoelectric sensing devices, the first camera, the second camera and the sorting equipment in real time.
6. The baggage surveillance system according to claim 5, wherein said conveying means comprises a linear conveyor and a rotary conveyor, and wherein a plurality of said photoelectric sensing means are provided at the junction of said linear conveyor and said rotary conveyor.
7. The baggage surveillance system of claim 5, further comprising a spur belt connected to the conveyor.
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CN108816779A (en) * 2018-05-31 2018-11-16 常州工学院 A kind of halved belt sorter falls the visual identity method of packet
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