Logistics sorting error alarm method and device

Abstract

The present application relates to the technical field of logistics sorting, in particular to a logistics sorting wrong sorting alarm method and device. A logistics sorting wrong sorting alarm method comprises: obtaining the article information of an article to be sorted, obtaining first information according to the article information; obtaining second information, obtaining the actual arrival time of the article to be sorted according to the second information; matching the first information and the second information, and if the matching fails, an alarm is prompted. Since the above technical solution is adopted, the present application further improves the accuracy of the package wrong sorting alarm, solves the wrong sorting problem from the source, reduces the processing flow and the corresponding processing time after the wrong sorting, reduces the direct or indirect economic losses of the express company, and has practical value and promotional significance.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of logistics sorting, and particularly relates to a logistics sorting mis-sorting alarm method and device. BACKGROUND

[0002] With the rapid development of the express industry, the coverage of automatic logistics sorting equipment is higher and higher. The ring sorting line is a kind of core equipment in the intelligent logistics system, which adopts a ring conveying track to cooperate with a high-speed moving transfer trolley on the track to realize the classification and distribution of logistics packages. A plurality of transfer trolleys accumulated on the track take the packages in the loading area (a corresponding position is provided with a grid for loading) through the conveying belt thereon during high-speed movement, and convey the packages to the unloading area (a corresponding position is provided with a grid for unloading) corresponding to the classification of the packages to unload the packages, and the entire operation process is realized in high-speed automation.

[0003] But in the actual operation process, it is found that due to the shape, size, packaging of express packages, and the large difference in the accuracy of package identification and sorting of sorting equipment, it is inevitable that the package will be wrongly sorted into the grid during the sorting process. The existing traceable system on the market assembles a monitoring system by installing a camera and other monitoring equipment in each grid of the sorting equipment (including each grid of the loading and unloading areas), which is used to monitor and record the loading and unloading of the package (mainly to trace the falling grid), but the monitoring system lacks linkage with the sorting equipment, so it cannot achieve real-time alarm (the command transmission and driving electrical structure of the alarm belong to the jurisdiction of the sorting equipment), and often can only be processed after the package is sorted to the subsequent destination and the identification information is wrong. The data of the monitoring system can only be used for post-tracing evidence, and the falling grid position of the wrong sorting can be traced by calling the video or image data of the monitoring system, but this cannot effectively deal with the problem of wrong sorting of the package, nor can it reduce or avoid the loss caused by wrong sorting. In some existing technologies, a wrong sorting alarm system is used to monitor the wrong sorting by cooperating with the monitoring system. The falling time of the package in the video information sampled by the monitoring system is taken as the actual arrival time of the package, and the speed of the trolley, the distance between the grid and the loading area of the sorted product, and other information are obtained by the sorting equipment. After comprehensive calculation (the calculation is generally completed by the control system of the sorting equipment), the planned arrival time of the sorted product is obtained. After comparing the two time points, whether the grid numbers corresponding to the two time points are consistent is matched, and whether the package is wrongly sorted is judged according to the result. However, in actual operation, due to the size, weight, specific position of the package on the trolley conveyor belt, and other factors, time deviation may occur during the falling process, such as large-size packages falling into the grid later than small-size packages, or heavy packages falling into the grid later than light packages. There are also phenomena that heavy packages fall into the grid earlier than light packages due to intermittent slipping caused by light weight. Many practical problems make the method of taking the time when the package falls into the grid as the actual falling time of the package to judge the wrong sorting have low precision and are prone to false positives. These problems will eventually lead to false positives or false negatives in the system detection of the falling of the package, increase the difficulty and intensity of post-maintenance, and also lead to additional investment of manpower and resources, causing economic losses. SUMMARY

[0004] Therefore, it is necessary to propose a logistics sorting wrong sorting alarm method and device for the existing automatic logistics sorting system to solve the problem of package wrong sorting during operation, to achieve real-time detection and alarm of package wrong sorting based on the initial frame of the sampled video, to obtain package falling data with better real-time performance, and to realize higher-precision wrong sorting detection and alarm effect.

[0005] The present application aims to provide a logistics sorting wrong sorting alarm method to solve the above technical problems.

[0006] The technical problems solved by the present application can be implemented by the following technical solutions:

[0007] A logistics sorting wrong sorting alarm method, the method comprising:

[0008] Obtaining the item information of the to-be-sorted item, obtaining the first information according to the item information, the first information comprising the planned arrival sorting port information and the planned arrival time of the to-be-sorted item;

[0009] Obtaining the second information, obtaining the actual arrival time of the to-be-sorted item according to the second information, the second information comprising the actual arrival sorting port information of the to-be-sorted item and the monitoring data of the to-be-sorted item in the actual arrival sorting port falling process;

[0010] Obtaining the difference between the actual arrival time and the planned arrival time, matching the planned arrival sorting port information with the actual arrival sorting port information when the difference is less than the preset error threshold (here, the "threshold" means the critical value, and the "threshold" is understood in the same way below), and alarming if the matching fails.

[0011] The present application links the video monitoring system and the control system of the sorting equipment, obtains the planned sorting information (including the planned arrival sorting port and the planned arrival time) and the actual sorting information (including the actual arrival time and the actual arrival sorting port) of the to-be-sorted item from the two systems respectively, and then matches the planned arrival sorting port corresponding to the planned arrival time with the actual arrival sorting port corresponding to the actual arrival time after the difference between the planned arrival time and the actual arrival time is processed, to determine whether the wrong sorting occurs according to the matching results of the two. When the wrong sorting occurs, the alarm device throws the warning information, which serves as the trigger signal for manual intervention. Since the actual arrival time is obtained by considering the differences of the to-be-sorted items of different sizes and weights in the falling process (i.e., the transfer path from the conveyor belt of the trolley to the sorting port), the accuracy of the obtained actual arrival time is greatly improved, thereby reducing the false alarm problem caused by the differences of the to-be-sorted items in the traditional wrong sorting alarm system.

[0012] It should be noted that, in theory, the planned delivery time and the actual delivery time of the corresponding package of the to-be-sorted item to the destination grid should be consistent, that is, the difference between the two should be 0, but in actual operation, there are timing errors due to many objective factors (such as track wear or error accumulation during trolley travel), resulting in a difference between the two not being 0, so the present application presets an error threshold to limit the error range for different working conditions of the sorting system, when the difference between the planned delivery time and the actual delivery time falls within the error range, it is considered that the actually delivered package is the planned delivered package, on this basis, the matching of the first information and the second information can be carried out, when matching, generally only the grid numbers in the two groups of information sequences are compared, when the grid numbers or the corresponding grid identification information are consistent, it is considered that the package is correctly dropped, otherwise it is considered that the sorting error occurs.

[0013] The item information of the to-be-sorted item is obtained, and the first information is obtained according to the item information, including:

[0014] The item information of the to-be-sorted item is obtained, and the item identification information in the item information is extracted, the item identification information being the unique identification information of the to-be-sorted item;

[0015] The first information is obtained according to the item identification information.

[0016] The second information is obtained, and the actual delivery time of the to-be-sorted item is obtained according to the second information, including:

[0017] The second information is obtained, and the monitoring data of the to-be-sorted item in the actual delivery sorting grid dropping process is extracted;

[0018] The initial action of the to-be-sorted item in the actual delivery sorting grid dropping process is traced according to the monitoring data;

[0019] The time t1 of the video frame corresponding to the initial action is extracted, the time t1 being the actual delivery time.

[0020] The difference between the actual delivery time and the planned delivery time is obtained, when the difference is less than a preset error threshold, the planned delivery sorting grid information and the actual delivery sorting grid information are matched, and if the matching fails, an alarm is prompted, including:

[0021] The actual delivery time and the planned delivery time are converted into millisecond values, and the difference value processing result is obtained after difference value processing;

[0022] A preset error threshold is obtained, and the difference value processing result and the end value are compared to determine whether the difference value processing result falls within the error range;

[0023] When the difference processing result is greater than the error threshold, a first warning information is outputted and a locking request of the corresponding sorting port is outputted;

[0024] When the difference processing result is less than the error threshold, the planned delivery sorting port information is matched with the actual delivery sorting port information, and if the matching fails, a second warning information is outputted and a locking request of the corresponding sorting port is outputted.

[0025] The second warning information outputted if the matching fails comprises:

[0026] When the difference processing result is less than the preset error threshold, the second warning information is outputted in any one of a sound signal, a light signal or a sound and light signal.

[0027] The second warning information outputted if the matching fails comprises:

[0028] When the difference processing result is less than the preset error threshold, the second warning information is outputted in any one of a text form, a graphic form or a rich media form.

[0029] The obtaining of the item information of the to-be-sorted item further comprises:

[0030] Obtaining weight data of the to-be-sorted item;

[0031] Determining the first information of the to-be-sorted item according to the weight data of the to-be-sorted item and the item identification information.

[0032] The obtaining of the item information of the to-be-sorted item further comprises:

[0033] Obtaining volume data of the to-be-sorted item;

[0034] Determining the first information of the to-be-sorted item according to the volume data of the to-be-sorted item and the item identification information.

[0035] The extracting of the time t1 before the video frame corresponding to the initial action further comprises:

[0036] Obtaining a system time t3 of a control system of the sorting device,

[0037] Obtaining a system time t4 of a monitoring system,

[0038] Obtaining a compensation amount t5 according to the system time t3 and the system time t4;

[0039] The extracting of the time t1 after the video frame corresponding to the initial action further comprises:

[0040] Obtaining an actual delivery time compensation value t2 according to the compensation amount t5 and the time t1.

[0041] The application also aims to provide a logistics sorting wrong sorting alarm device to solve the above technical problems.

[0042] The first matching source data acquisition module is configured to acquire the article information of the article to be sorted, and obtain first information according to the article information, wherein the first information includes planned arrival sorting port information and a planned arrival time of the article to be sorted;

[0043] The second matching source data acquisition module is configured to acquire second information, and obtain the actual arrival time of the article to be sorted according to the second information, wherein the second information includes actual arrival sorting port information of the article to be sorted and monitoring data of the article to be sorted in the actual arrival sorting port landing process;

[0044] The matching module is configured to obtain the difference between the actual arrival time and the planned arrival time, match the planned arrival sorting port information with the actual arrival sorting port information when the difference is less than a preset error threshold, and alarm if the matching fails.

[0045] Beneficial effects: due to the above technical scheme, the application is based on the existing traceable system, and the sorting equipment wrong sorting alarm system in the existing logistics sorting system captures the package landing information. Due to the factors such as the volume and weight of the package, there is a time deviation in the landing process, which leads to the problems of misjudgment or omission when the system detects the package landing. In order to further improve the accuracy of the wrong sorting alarm, the scheme of positioning the initial landing action based on video tracking to determine the actual landing time is proposed. The first frame image information of the landing package from the trolley is matched with the information of the control system to improve the accuracy of the alarm system. In the operation process of the sorting equipment, the wrong sorting alarm is real-time and timely processed, which avoids the wrong sorting of the equipment flowing into the next destination, solves the problem of wrong sorting from the source, reduces the processing flow and corresponding processing time after wrong sorting, reduces the direct or indirect economic loss of the logistics or express company, and has practical value and popularization significance. BRIEF DESCRIPTION OF DRAWINGS

[0046] Figure 1 A flowchart of the application;

[0047] Figure 2 A structural diagram of the sorting equipment of the application. DETAILED DESCRIPTION

[0048] For the technical means, creative features, purposes and effects of the present application to be easily understood, the present application will be further described below in conjunction with specific drawings. It should be noted that the terms "first", "second", "third", "fourth" and the like (if any) in the specification and claims of the present application are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "include" or "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a product or device including a series of components or units does not have to be limited to only those components or units clearly listed, but can include other components or units not clearly listed or inherent to such products or devices.

[0049] Referring to Figure 1 A logistics sorting mis-sorting alarm method, comprising steps S1-S3, specifically as follows:

[0050] S1, obtaining first matching source data: obtaining the item information of the to-be-sorted item, obtaining the first information according to the item information, the first information including the planned arrival sorting port information (mainly the sorting port number, or other identity information of the sorting port) and the planned arrival time of the to-be-sorted item;

[0051] Specifically, the first information is obtained from the control system of the sorting device, and is obtained by the control system after interacting with the WMS and other warehouse management systems. The planned arrival sorting port information is mainly the sorting port identification information, which is generally the sorting port number, or the identification code specially made for the identification of the sorting port. The planned arrival time is obtained by calculating the distance between the destination sorting port and the loading position and the speed of the trolley, which is one of the preconditions for judging the mis-sorting of the package. The other precondition is the actual arrival time. Only when the two times are close to 0 can the corresponding packages be pre-identified as the same package. On the basis of pre-identification, the subsequent information is matched to confirm whether the package drop position (actual arrival sorting port) is the planned position (planned arrival sorting port);

[0052] In one embodiment, obtaining the item information of the to-be-sorted item, and obtaining the first information according to the item information, comprises: obtaining the item information of the to-be-sorted item, extracting the item identification information in the item information, the item identification information being the unique identification information of the to-be-sorted item; and obtaining the first information according to the item identification information.

[0053] The item identification information in the embodiment generally refers to identity identification information of the item, i.e., unique identification information for marking the identity of the item to be sorted, such as identification information marked in the form of a bar code, a two-dimensional code, etc.

[0054] The first information in the embodiment is obtained from a WMS system (warehouse management system) matched with the sorting device and a control system of the sorting trolley or the sorting machine. After interaction with the WMS system, the control system extracts necessary data for generating the first information according to the item identification information, such as data of a sorting port (bin) number to which the item to be sorted is planned to be allocated. The control system calls built-in device information (including the distance between the specific sorting port and the loading device, the running speed of the trolley, etc.) to generate a planned arrival time, and packs a series of data including the planned arrival time and the planned arrival sorting port information into the first information for calling and processing.

[0055] In the implementation process of the embodiment, the item-related information obtained at the loading device (the package loading table) can be obtained through communication with the control system of the sorting device, including the identity identification information, the weight information, and the appearance size information of the item. The identity identification information can be obtained through the optical code reading device (such as a bar code scanner or a fixed code reader, etc.) arranged at the loading device. The weight information can be obtained through the weighing unit arranged at the loading device. The appearance size information can be obtained through the optical sensor such as a grating arranged at the loading device.

[0056] In one of the embodiments, the obtaining of the item information of the item to be sorted further includes: obtaining weight data of the item to be sorted; and determining the first information of the item to be sorted according to the weight data and the item identification information of the item to be sorted.

[0057] In the implementation process of the embodiment, a weighing module can be arranged at the loading device (the package loading table) of the sorting device. The weight data of the item to be sorted is obtained through the weighing module, and the weight data and the item identification information are summarized to generate the first information.

[0058] It should be noted that in many scenarios of actual logistics sorting, there are special sorting requirements, such as the need to match special transportation methods for packages with a weight exceeding a certain limit, etc. In such scenarios, packages exceeding a certain weight or requiring special transportation tools, such as shipping, are sorted. At this time, the weight data of the item to be sorted is obtained to generate the first information together with the item identification information, and the specific packages with the weight exceeding the limit are sorted according to the first information. Alternatively, in some other scenarios, all items to be sorted are subdivided into corresponding sorting ports according to a preset weight threshold for primary sorting, and then secondary sorting is performed.

[0059] In one of the embodiments, the obtaining the item information of the item to be sorted further comprises: obtaining volume data of the item to be sorted; and determining the first information of the item to be sorted according to the volume data and the item identification information.

[0060] In the implementation of the present embodiment, a volume measurement module can be arranged at the loading device of the sorting device, and the volume data (such as length, width, and height) of the item to be sorted is obtained by the volume measurement module, and the volume data and the item identification information are summarized to generate the first information.

[0061] The volume measurement module can be implemented by a grating / light curtain, a laser measurement instrument, or a 3D vision device.

[0062] S2, obtaining second matching source data: obtaining the second information, and obtaining the actual arrival time of the item to be sorted according to the second information, wherein the second information comprises actual arrival sorting port information of the item to be sorted and monitoring data of the item to be sorted in the actual arrival sorting port falling process;

[0063] In the present embodiment, the second information source is the control system and the monitoring system of the sorting device, and the monitoring system comprises a video sampling device (such as a CCD camera) installed at each sorting port (including the loading compartment and the unloading compartment). The loading and unloading process of the package is recorded by the monitoring system, and generally, the image information at the end of the falling process is recorded. For example, when the package falls into a specific sorting port, a recording signal is triggered, and at this time, the monitoring system takes the real-time image at this time as the tracing data. The video monitoring data of the falling process of the item to be sorted at the actual arrival sorting port in the second information is obtained through the monitoring system, which is used to trace the initial action of the falling process by computer AI algorithm, that is, the starting time when the package falls on the trolley. According to the initial action, the corresponding time is extracted, which is the actual arrival time of the item to be sorted. Compared with this, in the traditional wrong sorting alarm system, the time corresponding to the image recorded at the end of the falling process when the package falls is taken as the actual arrival time. Although it is easy to understand in words, in actual operation, the difference between the actual arrival time and the planned arrival time is large due to the difference in the conveying belt transfer process of the trolley (that is, the process of transferring the package on the trolley to the destination sorting port), which cannot be used as a basis for judging whether it is the same package. The aforementioned difference is related to the size, weight, volume, belt conveying speed, belt surface friction performance, and package feeding angle of the package, which is difficult to determine by simple deduction calculation through a specific algorithm or formula. In contrast, the present application traces the initial action of the falling process through video image data, and extracts the corresponding recording time, which bypasses the entire falling process and is not affected by the difference in the falling process of the package.

[0064] It should be noted that the principle of tracing the video frame by the computer AI algorithm is to extract all video frames in a continuous time length in the video, compare the adjacent frames (in some compressed videos, the compressed part needs to be completed), and consider that the front and rear frames are consistent when the difference is less than the set threshold, and the initial frame is traced by this way. Since this technology is prior art, the present application will not be further expanded.

[0065] In one of the embodiments, the obtaining the second information, obtaining the actual arrival time of the to-be-sorted item according to the second information, comprises: obtaining the second information, extracting the monitoring data of the to-be-sorted item in the actual arrival sorting port landing process; tracing the initial action of the to-be-sorted item in the actual arrival sorting port landing process according to the monitoring data; extracting the time t1 of the video frame corresponding to the initial action, the time t1 is the actual arrival time.

[0066] In the implementation process of the present embodiment, the monitoring data corresponding to the sorting port is obtained by accessing the monitoring system matched with the sorting device, the monitoring data includes the landing process record video of the sorting port, the video frame corresponding to the landing initial action is determined by frame-by-frame analysis of the video, and the monitoring system record time corresponding to the video frame is extracted. The time is the actual arrival time.

[0067] It should be noted that in actual application, the present application does not have the right to control the control system and the monitoring system of the sorting device in some cases, so it can only send a demand and passively receive feedback from the control system and the monitoring system. However, it is often found that the system time of the sorting device control system and the system time of the monitoring system are inconsistent. In view of this, the present application checks the system time of the two systems, extracts the system time of the two systems, and takes the difference between the two system times as a compensation amount. When obtaining the actual arrival time, the calculation error caused by the system time difference of the two systems is eliminated by the compensation amount, and the calculation accuracy is improved. Specifically, the following embodiments are implemented:

[0068] In another embodiment, before extracting the time t1 of the video frame corresponding to the initial action, it further comprises:

[0069] obtaining the system time t3 of the control system of the sorting device,

[0070] obtaining the system time t4 of the monitoring system,

[0071] obtaining the compensation amount t5 according to the system time t3 and the system time t4;

[0072] After extracting the time t1 of the video frame corresponding to the initial action, it further comprises:

[0073] obtaining the actual arrival time compensation value t2 according to the compensation amount t5 and the time t1.

[0074] In this embodiment, the compensation amount t5 can be simply considered as the difference between the system times t3 and t4. When compensating the time t1, t5 and t1 are added to obtain t2. When processing the time in each step, it needs to be converted into a unified measurement unit, such as milliseconds.

[0075] S3, matching: obtaining the difference between the actual arrival time and the planned arrival time, when the difference is less than a preset error threshold, matching the planned arrival sorting port information with the actual arrival sorting port information, and if the matching fails, an alarm is prompted.

[0076] In this embodiment, the actual arrival time and the planned arrival time are two data for difference calculation. The two can be converted into timing units such as milliseconds first, and then difference processing is performed. A preset error threshold is extracted, and after comparing the difference processing result with the error threshold, it is determined whether it falls within the error range, so as to determine whether it is the same piece to be sorted. When the same piece to be sorted is hit after continuously comparing array data, the matching of the sorting port information corresponding to the two times can be continued. When matching, the identification information of the sorting port corresponding to the two times is compared to determine whether they are consistent. When the comparison result is consistent, it is considered that the matching is successful. Otherwise, it is considered that the matching fails, and it is determined that the piece to be sorted is mis-sorted, triggering an alarm and locking the corresponding sorting port (lock bin processing).

[0077] In one of the embodiments, the matching of the planned arrival sorting port information and the actual arrival sorting port information when the difference between the actual arrival time and the planned arrival time is less than a preset error threshold, and if the matching fails, an alarm is prompted, includes: converting the actual arrival time and the planned arrival time into millisecond values, and obtaining a difference processing result after difference processing; obtaining a preset error threshold, and determining whether the difference processing result falls within the error range after comparing the difference processing result with the end value; when the difference processing result is greater than the error threshold, outputting first warning information and outputting a locking request for the corresponding sorting port; when the difference processing result is less than the error threshold, matching the planned arrival sorting port information with the actual arrival sorting port information, and if the matching fails, outputting second warning information and outputting a locking request for the corresponding sorting port.

[0078] Specifically, the actual delivery time and the planned time are converted into a measurement unit that can be processed by difference, and a millisecond is generally used as the conversion unit. The difference processing result is compared with a preset error threshold to determine whether the difference processing result falls within the error range. It should be noted that the preset error threshold is essentially the tolerance limit of the corresponding mis-sorting alarm system of the present application. In theory, the actual delivery time and the planned delivery time should be consistent, but in actual operation, due to external factors such as equipment characteristics and operating conditions, there is a slight difference between the two times, so a non-zero value is obtained after the difference between the two times is processed. When the preset error threshold is set too large or too small, frequent false alarms are likely to occur. For example, if the error threshold is set too large, then the multiple other sorting ports located before or after the actual sorting port (the actual delivery times of these other sorting ports obtained through the second information all fall within the error range) all meet the matching requirements, that is, at this time, the alarm system corresponding to the present application considers that one or more sorting ports before or after the actual sorting port are the actual sorting ports identified by the system; and when the error threshold is set too small, the packages on the package loading table cannot hit any delivery package or the delivery package cannot hit any package on the package loading table, thereby failing to perform subsequent matching and throwing error or exception information, which is actually false alarm information.

[0079] After the corresponding mis-sorting alarm system of the present application outputs a sorting port locking request (bin locking request) to the control system of the sorting device according to the matching failure result, the sorting port is locked, and no subsequent package is delivered to the bin for sorting and unloading until the sorting port state is reset after manual intervention.

[0080] The first warning information is used to indicate that the package currently dropped into the sorting port does not hit any package on the package loading table, and the reason is that the preset error threshold is too small. The subsequent occurrence of the first warning information can be reduced or even eliminated by manually adjusting the preset error threshold.

[0081] The second warning information is used to indicate that the package currently dropped into the sorting port is mis-sorted, and the warning information can be eliminated by manually resetting the current sorting port.

[0082] It should be noted that due to the individual differences of packages and actual changes in operating conditions, the occurrence of the second warning information is almost inevitable in high-speed logistics sorting occasions. The mis-sorting detection process of the corresponding mis-sorting alarm system of the present application can greatly reduce false alarms, which is due to the fact that the accuracy of the actual delivery time obtained in the present application is greatly improved compared with similar mis-sorting alarm systems in the prior art.

[0083] In one of the embodiments, the second warning information is output if the matching fails, including: outputting the second warning information in any one of a sound signal, a light signal or a sound and light signal when the difference processing result is less than a preset error threshold.

[0084] Specifically, in the implementation process of the embodiment, the alarm modules such as the buzzer, the speaker, the indicator light and the sound and light alarm can be arranged at the actual arrival position of the sorting port of the to-be-sorted item to output the sound signal, the light signal or the sound and light signal, and the second warning information is output in different output forms of the corresponding signals. For example, when the second warning information is output in the sound signal, the buzzer is used to play the related warning information in different time intervals by using the buzzer sound with different durations, and the speaker is used to play the corresponding error voice prompt information recorded in advance; when the second warning information is output in the light signal, the second warning information is output in the form of the multi-color warning light flickering. Since the output forms and the electrical implementation of the sound, the light or the sound and light alarm information are prior art, the present application will not be described in detail.

[0085] In one of the embodiments, the second warning information is output if the matching fails, including:

[0086] The second warning information is output in any one of a text form, a graphic form or a rich media form when the difference processing result is less than a preset error threshold.

[0087] Specifically, in the implementation process of the embodiment, the display module such as the LCD display screen can be arranged at the actual arrival position of the sorting port of the to-be-sorted item to output the second warning information in the form of the text, the image or the combination of the two, and the display module is cooperated with the sound generating module such as the speaker to output the second warning information in the form of the text, the static image, the animation, the video and the like, and the intuitiveness is greatly improved. The display module includes but is not limited to any one of the display, the all-in-one machine or the touch screen.

[0088] In addition, the reset of the alarm information can be implemented in the following manner: the reset button is arranged at the actual arrival position of the sorting port of the to-be-sorted item, and the alarm is reset by triggering the reset button after the manual confirmation of the mis-sorting.

[0089] In one of the embodiments, the present application provides a logistics sorting mis-sorting alarm device, including:

[0090] The first matching source data acquisition module is arranged to acquire the item information of the to-be-sorted item, and obtain the first information according to the item information, the first information including the planned arrival sorting port information and the planned arrival time of the to-be-sorted item.

[0091] The second matching source data acquisition module is configured to acquire second information, and obtain an actual arrival time of the to-be-sorted item according to the second information, wherein the second information includes actual arrival sorting port information of the to-be-sorted item and monitoring data of a to-be-sorted item in an actual arrival sorting port falling process;

[0092] The matching module is configured to obtain a difference between the actual arrival time and the planned arrival time, match the planned arrival sorting port information with the actual arrival sorting port information when the difference is less than a preset error threshold, and alarm if the matching fails.

[0093] Referring to Figure 2 The present application also provides a sorting device with a sorting error alarm function, which comprises an upper computer, a ring track 1, a plurality of sorting trolleys 2, a plurality of sorting ports 3, at least one upper packing table (i.e. the upper piece device mentioned in the above embodiment), at least one upper packing table gantry 4, at least one photoelectric sensor (which can be regarded as a specific selection of the volume measurement module mentioned in the above embodiment, such as a grating or light curtain constructed by a plurality of photoelectric sensors), at least one to-be-sorted item placing table, at least one code reader 5 (which can be regarded as a specific selection of the optical code reading device mentioned in the above embodiment), at least one weighing table 6 (i.e. the weighing unit mentioned in the above embodiment), at least one camera support 7, at least one monitoring camera 8, and at least one alarm prompt device. The upper computer is signal connected with the sorting trolleys 2, the conveying belt mechanism of the upper packing table, the photoelectric sensor, the code reader 5, the weighing table 6, the monitoring camera 8, and the alarm prompt device. The number of upper packing table gantries 4, the number of photoelectric sensors, the number of to-be-sorted item placing tables, the number of code readers 5, and the number of weighing tables 6 all correspond one-to-one to the number of upper packing tables.

[0094] The upper computer can be remotely set or set near the ring track 1, and the signal connection between the upper computer and each device that needs to communicate with it can be wired or wireless signal connection. The upper computer is the original upper computer of the sorting device, which is used to schedule the operation of each bin (including the upper packing table and the sorting port) and the sorting trolley.

[0095] The side of the ring track 1 is protected by a guard plate, and the bottom of the ring track 1 is fixed to the ground by support legs 11 and footings 12.

[0096] The plurality of sorting trolleys 2 move on the ring track 1, and the specifications and number of the sorting trolleys 2 are determined according to the actual scene.

[0097] The plurality of sorting ports 3 are arranged on the side of the ring track 1 and are used to receive the to-be-sorted items sorted out from the sorting trolleys 2.

[0098] The number of sorting ports 3 is set according to the sorting demand of the to-be-sorted articles. For example, Figure 2 In the structure shown, the sorting port 3 is arranged in twelve on the same side (the opposite side of any sorting port can also be provided with a corresponding sorting port, and in actual device layout, the sorting port can be arranged on a single side according to the layout space on site, or on both opposite sides).

[0099] The upper package table has a conveying belt transmission mechanism, and the output end of the conveying belt transmission mechanism is connected with the ring track 1. The conveying belt transmission mechanism of the upper package table sends the to-be-sorted articles to the center of the sorting trolley. The gantry 4 of the upper package table is arranged above the upper package table.

[0100] When the size of the to-be-sorted article is measured by the photoelectric sensor, the photoelectric sensor can be arranged as follows: a row of photoelectric sensors are arranged on the gantry 4 of the upper package table, and the detection end of the photoelectric sensor faces downward to the upper package table. When the to-be-sorted article is conveyed to the ring track 1 by the conveying belt mechanism of the upper package table, the volume of the to-be-sorted article is calculated by detecting the number and time of the photoelectric sensors blocked by the to-be-sorted article through the row of photoelectric sensors on the gantry 4 of the upper package table.

[0101] The code reader 5 is located above the to-be-sorted article placement table, and the code reader 5 is used to collect the bar code or electronic tag of the to-be-sorted article (video information or image information can also be collected by a CCD camera), and send the collected information to the upper computer to determine the sorting port 3 corresponding to the to-be-sorted article that needs to be sorted.

[0102] The to-be-sorted article placement table is located on the side of the upper package table, and the to-be-sorted article placement table is connected with the input end of the conveying belt mechanism. The to-be-sorted article placement table is provided with a weighing table 6. The weight of the to-be-sorted article can be read through the weighing table 6 and transmitted to the upper computer, and the upper computer determines the sorting port 3 corresponding to the to-be-sorted article through the weight and the bar code of the to-be-sorted article (in some application scenarios, the volume, weight and bar code of the to-be-sorted article are used as the judgment factors when the sorting port is allocated).

[0103] At least one camera support 7 is located above one of the sorting ports 3. The number of camera supports 7 can be set to one or more according to the number of sorting ports 3, so that one or more monitoring cameras 8 can shoot video information of the sorting port area of all the sorting ports 3.

[0104] At least one monitoring camera 8 is arranged on the camera support 7, and the monitoring camera 8 shoots an area containing at least one sorting port 3. The monitoring camera 8 can be arranged in one or more according to the number of sorting ports 3, and only one monitoring camera 8 is needed if it can shoot video information of all the sorting port areas. Alternatively, multiple monitoring cameras 8 can be arranged, and the multiple monitoring cameras 8 are assigned respective shooting areas, and all the sorting port areas can be divided completely. The monitoring camera 8 can be fixed on the camera support 7 through a universal adjusting support mechanism (for example, a holder is used to arrange the monitoring camera), so that the shooting range of the monitoring camera 8 can be adjusted to correspond to the sorting port 3 area to be shot.

[0105] The alarm prompt device is arranged at the sorting port 3, and one alarm prompt device corresponds to one sorting port 3. The alarm prompt device can include an indicator lamp and a reset button 9, and the signal input end of the indicator lamp is connected to the upper computer, and the signal output end of the reset button 9 is connected to the upper computer. The indicator lamp can be an audible and visual alarm lamp. The alarm prompt is performed through the flashing of the indicator lamp, and the alarm reset is performed through the reset button 9 at the sorting port. The alarm prompt device can also use a screen, and the communication end of the screen is connected to the upper computer. The screen includes, but is not limited to, any one of a display, an all-in-one machine or a touch screen. The alarm prompt is performed through the screen, and the processing result is determined through the screen.

[0106] In some embodiments, the alarm prompt device is connected to the upper computer in a wireless signal connection mode. In this structure, the upper computer is connected to a wireless transceiver module, and the wireless communication between the wireless transceiver module and the corresponding wireless transceiver module at one end of the alarm prompt device is used to realize the transmission of the alarm signal and the feedback of the reset signal. When arranged, the indicator lamp and the reset button are both connected to the wireless transceiver module at one end of the alarm prompt device.

[0107] The two adjacent sorting ports 3 are separated by a triangular baffle 31, and the side of the triangular baffle 31 is provided with a sorting port guard plate 32. In this way, the respective sorting ports 3 are independently separated, and the sorted articles falling from the sorting port can accurately fall into the collection bag. At least two bag hanging rods 33 are arranged at the end of each sorting port 3, and the two bag hanging rods 33 are arranged side by side on both sides of the end of the sorting port 3. The bag hanging rod 33 is used to support the collection bag.

[0108] The basic principles and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A logistics sorting mis-sorting alarm method, characterized in that, The method comprises: acquiring the article information of the article to be sorted, obtaining first information according to the article information, the first information comprising the planned delivery sorting port information and the planned delivery time of the article to be sorted; acquiring second information, obtaining the actual delivery time of the article to be sorted according to the second information, the second information comprising the actual delivery sorting port information of the article to be sorted and the monitoring data of the article to be sorted in the actual delivery sorting port falling process, extracting the monitoring data of the article to be sorted in the actual delivery sorting port falling process, tracing back the initial action of the article to be sorted in the actual delivery sorting port falling process according to the monitoring data, extracting the time t1 of the video frame corresponding to the initial action, the time t1 being the actual delivery time, the monitoring data being used to trace back the initial action of the falling process by computer AI algorithm, and the corresponding time being extracted according to the initial action, the principle of tracing back the video frame by computer AI algorithm being that all video frames in a certain continuous time length in the monitoring data are extracted, adjacent frames are compared, and the adjacent frames are considered to be consistent when the difference is less than a set threshold value, and the initial frame is traced back in this way; obtaining the difference between the actual delivery time and the planned delivery time, matching the planned delivery sorting port information with the actual delivery sorting port information when the difference is less than a preset error threshold value, and alarming if the matching fails. 2.The method of claim 1, wherein, The acquisition of the article information of the article to be sorted and the obtaining of the first information according to the article information comprise: acquiring the article information of the article to be sorted, extracting the article identification information in the article information, the article identification information being the unique identification information of the article to be sorted; obtaining the first information according to the article identification information. 3.The method of claim 1, wherein, The obtaining of the difference between the actual delivery time and the planned delivery time, the matching of the planned delivery sorting port information with the actual delivery sorting port information when the difference is less than a preset error threshold value, and the alarming if the matching fails comprise: converting the actual delivery time and the planned delivery time into millisecond values, performing difference value processing to obtain a difference value processing result; acquiring a preset error threshold value, comparing the difference value processing result with the error threshold value to determine whether the difference value processing result falls within the error range; when the difference value processing result is greater than the error threshold value, outputting first warning information and outputting a locking request for the corresponding sorting port; when the difference value processing result is less than the error threshold value, matching the planned delivery sorting port information with the actual delivery sorting port information, and outputting second warning information and outputting a locking request for the corresponding sorting port if the matching fails.

4. The method of claim 3, wherein, The output of the second warning information if the matching fails comprises: when the difference value processing result is less than the preset error threshold value, outputting the second warning information in any one of a sound signal, a light signal or a sound and light signal.

5. The method of claim 3, wherein the method further comprises: The output of the second warning information if the matching fails comprises: when the difference value processing result is less than the preset error threshold value, outputting the second warning information in any one of a text form, a graphic form or a rich media form.

6. The method of claim 2, wherein, The acquisition of the article information of the article to be sorted further comprises: acquire weight data of the to-be-sorted item; determine the first information of the to-be-sorted item according to the weight data of the to-be-sorted item and the item identification information.

7. The method of claim 2, wherein the method further comprises: The acquisition of the item information of the to-be-sorted item further comprises: acquire volume data of the to-be-sorted item; determine the first information of the to-be-sorted item according to the volume data of the to-be-sorted item and the item identification information. 8.The method of claim 1, wherein, The extraction of the time t1 corresponding to the video frame of the initial action further comprises: acquire system time t3 of a control system of the sorting device, acquire system time t4 of the monitoring system, obtain compensation t5 according to system time t3 and system time t4; The extraction of the time t1 corresponding to the video frame of the initial action further comprises: acquire actual arrival time compensation t2 according to compensation t5 and time t1.

9. A logistics sorting mis-sorting alarm device, characterized in that, The device comprises: A first matching source data acquisition module is configured to acquire item information of a to-be-sorted item, and obtain first information according to the item information, wherein the first information comprises planned arrival sorting port information and a planned arrival time of the to-be-sorted item. A second matching source data acquisition module is configured to acquire second information, and obtain an actual arrival time of the to-be-sorted item according to the second information, wherein the second information comprises actual arrival sorting port information of the to-be-sorted item and monitoring data of the to-be-sorted item during the falling process at the actual arrival sorting port, extract the monitoring data of the to-be-sorted item during the falling process at the actual arrival sorting port, trace an initial action of the to-be-sorted item during the falling process at the actual arrival sorting port according to the monitoring data, extract a time t1 corresponding to the video frame of the initial action, the time t1 is the actual arrival time, the monitoring data is used to trace the initial action of the falling process by computer AI algorithm, and the corresponding time is extracted according to the initial action, the principle of tracing the video frame by computer AI algorithm is that all video frames in a certain continuous time length in the monitoring data are extracted, adjacent frames are compared, the frames are considered to be consistent when the difference is less than a set threshold, and the initial frame is traced by this method. A matching module is configured to obtain a difference between the actual arrival time and the planned arrival time, match the planned arrival sorting port information with the actual arrival sorting port information when the difference is less than a preset error threshold, and alarm if the matching fails.

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