CN115055382A - Sorting line system and sorting control method - Google Patents
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Abstract
The utility model provides a letter sorting line system and letter sorting control method can be applied to wisdom logistics technical field, and this letter sorting line system includes many letter sorting lines, first grade reposition of redundant personnel balance, first buffer memory line. The sorting line is provided with a first-stage shunting node and a first-stage converging node, and the first-stage shunting node is positioned at the downstream side of the first-stage converging node; the primary shunting balance wheel is arranged at a primary shunting node and is configured to control the flow direction of goods on the sorting line by changing the steering direction; the inlet end of the first cache line is configured to communicate with a first level splitting node of a first sorting line of the plurality of sorting lines through a first level splitting wobbler, and the outlet end of the first cache line is configured to communicate with a first level converging node of a second sorting line of the plurality of sorting lines.
Description
Technical Field
The disclosure relates to the technical field of intelligent logistics, in particular to a sorting line system and a sorting control method.
Background
In the logistics process, goods letter sorting is an important flow, adopt the letter sorting line to carry out goods letter sorting usually, among the present letter sorting mode, can appear a large amount of vehicles in peak season and concentrate on the place and queue up the unloading in the volume of goods, appear when unloading efficiency too fast that letter sorting line low reaches can't carry out normal goods singleton separation, lead to letter sorting line to be forced to shut down, make letter sorting flow can not stably go on continuously, it does not have the letter sorting goods to cause extravagant phenomenon on the transfer chain to appear to unload to change another platform truck when last goods simultaneously, lead to equipment letter sorting center equipment utilization rate not high, letter sorting inefficiency.
Disclosure of Invention
In view of the above, the present disclosure provides a sorting line system and a sorting control method.
In one aspect of the present disclosure, a sort line system is provided that includes a plurality of sort lines, a level one shunt balance, a first cache line, and a second cache line.
The sorting lines are configured to convey goods, wherein a primary shunting node and a primary converging node are arranged in each sorting line, and the primary shunting nodes are located on the downstream side of the primary converging nodes along the goods conveying direction of the sorting lines;
the primary shunting balance wheel is arranged at a primary shunting node and is configured to control the flow direction of the goods on the sorting line by changing the steering direction;
the inlet end of the first cache line is configured to communicate with a first level splitting node of a first sorting line of the plurality of sorting lines through a first level splitting wobbler, and the outlet end of the first cache line is configured to communicate with a first level converging node of a second sorting line of the plurality of sorting lines.
According to an embodiment of the disclosure, the entry end of the second cache line is configured to communicate with the level one shunt node of the first sort line through a level one shunt wobbler, and the exit end of the second cache line is configured to communicate with the level one confluence node of the first sort line.
According to an embodiment of the present disclosure, the system further includes a first flow monitoring device disposed at the first-stage shunting node and configured to output a first flow signal through flow monitoring, where the first flow signal includes a cargo flow at an upstream section of the first-stage shunting node and a cargo flow at a downstream section of the first-stage shunting node.
According to an embodiment of the present disclosure, the system further includes a second flow monitoring device disposed at the primary sink node and configured to output a second flow signal through flow monitoring, where the second flow signal includes a cargo flow at an upstream section of the primary sink node and a cargo flow at a downstream section of the primary sink node.
According to an embodiment of the present disclosure, the system further includes a controller electrically connected to the first flow monitoring device and the second flow monitoring device, and configured to control the turning of the primary shunt balance according to the first flow signal and the second flow signal, so that the goods on the sorting line flow to the first cache line or flow to the second cache line.
According to the embodiment of the disclosure, a second-level shunting node and a second-level confluence node are arranged in the first cache line and the second cache line, wherein the second-level shunting node is located on the upstream side of the second-level confluence node along the cargo conveying direction of the first cache line and the second cache line, and a second-level shunting balance wheel is arranged at the second-level shunting node.
The system further comprises a sub-cache line, wherein the inlet end of the sub-cache line is configured to be communicated with the second-level shunt node through the second-level shunt balance wheel, and the outlet end of the sub-cache line is configured to be communicated with the second-level confluence node.
According to an embodiment of the present disclosure, the system further includes a transition section, an inlet end of the transition section is configured to communicate with the first-level shunt node through the first-level shunt balance wheel, and an outlet end of the transition section is configured to communicate with the inlet end of the first cache line and the inlet end of the second cache line through the first-level shunt balance wheel.
According to an embodiment of the disclosure, the controller is further configured to control the second level shunt balance to turn according to the second flow signal, such that the cargo on the first cache line or the second cache line flows to the sub-cache line.
Another aspect of the present disclosure also provides a sorting control method, including:
conveying goods by utilizing a plurality of sorting lines, wherein a first-stage shunting node and a first-stage confluence node are arranged in each sorting line, the first-stage shunting nodes are positioned on the downstream side of the first-stage confluence nodes along the goods conveying direction of the sorting lines, first-stage shunting balance wheels are arranged at the first-stage shunting nodes, first flow monitoring devices are arranged at the first-stage shunting nodes, and second flow monitoring devices are arranged at the first-stage confluence nodes; the first flow monitoring device is configured to output a first flow signal, the first flow signal comprises the cargo flow of the upstream section of the first-stage shunting node and the cargo flow of the downstream section of the first-stage shunting node, the second flow monitoring device is configured to output a second flow signal, and the second flow signal comprises the cargo flow of the upstream section of the first-stage confluence node and the cargo flow of the downstream section of the first-stage confluence node;
receiving a first flow signal sent by a first flow monitoring device in a first sorting line;
receiving a second flow signal sent by a second flow monitoring device in a second sorting line;
controlling the turning direction of a primary shunt balance wheel in the first sorting line according to the first flow signal and the second flow signal so that goods on the first sorting line flow to the first cache line or flow to the second cache line; the inlet end of the first cache line is configured to be communicated with the first-level shunt node of the first sorting line through the first-level shunt balance wheel, and the outlet end of the first cache line is configured to be communicated with the first-level confluence node of the second sorting line; the inlet end of the second cache line is configured to communicate with the first level shunt node of the first sort line through the first level shunt balance wheel, and the outlet end of the second cache line is configured to communicate with the first level confluence node of the first sort line.
According to an embodiment of the disclosure, wherein controlling the turning of the primary shunt balance in the first sorting line in dependence on the first flow signal and the second flow signal comprises:
and under the conditions that the cargo flow of the downstream section of the first-level shunting node in the first sorting line is greater than or equal to a first flow threshold value, the cargo flow of the upstream section of the first-level shunting node in the first sorting line is greater than zero, and the cargo flow of the downstream section of the first-level confluence node in the second sorting line is less than a second flow threshold value, controlling the first-level shunting balance wheel to steer according to a first steering instruction, so that the cargo in the first sorting line flows to the first cache line.
According to an embodiment of the disclosure, wherein controlling the turning of the primary shunt balance in the first sorting line in dependence on the first flow signal and the second flow signal comprises:
and under the conditions that the cargo flow of the downstream section of the first-level shunting node in the first sorting line is greater than or equal to a first flow threshold value, the cargo flow of the upstream section of the first-level shunting node in the first sorting line is greater than zero, and the cargo flow of the upstream section of the first-level confluence node in the second sorting line is equal to zero, controlling the first-level shunting balance wheel to turn according to a first turning instruction, so that the cargo in the first sorting line flows to the first cache line.
According to an embodiment of the disclosure, wherein controlling the turning of the primary shunt balance in the first sorting line in dependence on the first flow signal and the second flow signal comprises:
and under the conditions that the cargo flow of the downstream section of the first-level shunting node in the first sorting line is more than or equal to a first flow threshold value, the cargo flow of the upstream section of the first-level shunting node in the first sorting line is more than zero, the cargo flow of the downstream section of the first-level confluence node in the second sorting line is more than or equal to a second flow threshold value, and the cargo flow of the upstream section of the first-level confluence node in the second sorting line is more than zero, controlling the first-level shunting balance wheel to turn according to a second turning instruction, so that the cargo in the first sorting line flows to a second cache line.
According to the embodiment of the disclosure, a second-level shunting node and a second-level confluence node are arranged in the first cache line and the second cache line, wherein the second-level shunting node is located on the upstream side of the second-level confluence node along the goods conveying direction of the first cache line and the second cache line, and a second-level shunting balance wheel is arranged at the second-level shunting node;
the method further comprises the following steps:
receiving a second flow signal sent by a second flow monitoring device in the first sorting line in the process of transporting goods in the second cache line;
and under the condition that the cargo flow of the downstream section of the first-level confluence node in the first sorting line is greater than or equal to a third flow threshold, and the cargo flow of the upstream section of the first-level confluence node in the first sorting line is greater than zero, controlling the second-level shunt balance wheel to steer according to a third steering instruction, so that the cargo in the second cache line flows to the sub-cache line, wherein the inlet end of the sub-cache line is configured to be communicated with the second-level shunt node through the second-level shunt balance wheel, and the outlet end of the sub-cache line is configured to be communicated with the second-level confluence node.
According to the embodiment of the disclosure, aiming at the technical problems of unbalanced sorting flow and low sorting unloading efficiency in the related technology, the sorting line system of the embodiment of the disclosure buffers redundant goods during peak periods by additionally arranging the buffer line and the sorting line to form a circulation loop and a reservoir type buffer, when the unloading flow exceeds the processing capacity of the rear-end automatic sorting system, the overflow flow is distributed to the buffer and the reservoir is formed, and when the unloading peak value passes, the goods buffered in the reservoir can be conveyed to the sorting system, so that frequent shutdown can be avoided, the sorting efficiency is improved, and continuous and balanced supply is realized. Furthermore, in the cache line, the goods flow to other sorting lines, when the current sorting line is busy, the goods flow to other sorting lines which are idle, the maximum utilization of the sorting line system can be realized, the output of equipment is reduced, the transportation efficiency is improved, the goods cache flow direction can be flexibly controlled according to the busy degree of the sorting line, the coordination capacity of the sorting system is improved, in the sorting system comprising a plurality of sorting lines, the conveying capacity of each sorting line is conveniently and fully utilized, and the utilization rate of the equipment is improved.
Drawings
The foregoing and other objects, features and advantages of the disclosure will be apparent from the following description of embodiments of the disclosure, which proceeds with reference to the accompanying drawings, in which:
fig. 1 schematically illustrates a structural schematic view of a sorting line system according to an embodiment of the present disclosure;
fig. 2 schematically illustrates a structural schematic view of a sorting line system according to another embodiment of the present disclosure;
FIG. 3 schematically illustrates a control schematic block diagram of a sort control method according to an embodiment of the present disclosure;
FIG. 4 schematically illustrates a flow chart of a sort control method according to an embodiment of the present disclosure;
fig. 5 schematically illustrates a flow chart of a sorting control method according to another embodiment of the present disclosure.
Description of reference numerals:
1. a first sorting line;
101. a first sort line-first level diversion node;
102. first sort line-first level confluence node;
11. b, a shunt line;
111. a secondary shunting node;
112. a secondary sink node;
12. a sub-cache line;
2. a second sorting line;
201. a second sort line-first level diversion node;
202. second sort line-primary merge node;
21. a, a shunt line;
31. a primary shunt balance wheel;
32. a secondary shunt balance wheel;
4. a transition section;
40. a transition section node;
5. a single piece separating device;
Detailed Description
Hereinafter, embodiments of the present disclosure will be described with reference to the accompanying drawings. It should be understood that the description is illustrative only and is not intended to limit the scope of the present disclosure. In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The terms "comprises," "comprising," and the like, as used herein, specify the presence of stated features, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, or components.
All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. It is noted that the terms used herein should be interpreted as having a meaning that is consistent with the context of this specification and should not be interpreted in an idealized or overly formal sense.
Where a convention analogous to "at least one of A, B and C, etc." is used, in general such a construction is intended in the sense one having skill in the art would understand the convention (e.g., "a system having at least one of A, B and C" would include but not be limited to systems that have a alone, B alone, C alone, a and B together, a and C together, B and C together, and/or A, B, C together, etc.).
In the logistics sorting process, a sorting line is generally used for sorting goods. The main purpose of the sorting center is to realize fast in and fast out of the goods, a large number of vehicles can be concentrated on the site to line up and unload in the peak period of the goods volume, and the goods are conveyed to the sorting center one by one through a telescopic machine to be automatically sorted.
The letter sorting flow imbalance can appear in unloading letter sorting under this situation, unable continuous high flow letter sorting of unloading when the volume of goods is big, for example at logistics peak, concentrate the car and lead to the instantaneous increase of volume of goods, exceed letter sorting design maximum capacity, appear when unloading efficiency too fast that letter sorting line low reaches can't carry out normal goods singleton separation, lead to letter sorting line to be forced to break and continue to stop the machine and influence unloading efficiency, some equipment will lead to this period goods can not in time sort because of berthing the screens required time simultaneously, lead to different letter sorting line flow imbalance.
When the goods quantity is small, the efficiency is low due to insufficient supply of the equipment, for example, during unloading and vehicle changing, no sorting goods exist on the conveying line, the waste phenomenon of the sorting line is caused, and the equipment utilization rate of the equipment sorting center is low and the sorting efficiency is low.
In view of the above, embodiments of the present disclosure provide a sorting line system and a sorting control method, which are improved based on an original sorting mode (unloading direct docking automatic matrix sorting, one-to-one or many-to-one sorting, where an unloading front end is stopped when an unloading amount is greater than a designed sorting capacity), a reservoir type sorting mode is adopted, that is, based on unloading direct docking automatic matrix sorting, a diversion cache line (e.g., a sorting line with controllable flow rate) is added before entering the automatic matrix sorting downstream of a sorting line to realize single piece separation, when the unloading amount is greater than the designed sorting capacity, redundant goods are conveyed to the cache line through the front end increased diversion cache line to buffer the goods (reservoir principle), when the flow rate downstream of the sorting line is small, the system flow rate balance is realized by automatically replenishing the goods in a cache region to the downstream, improving system efficiency and enhancing system redundancy capability.
Based on the above-mentioned concepts, in one aspect of the present disclosure, a sorting line system is provided.
The sorting line system comprises a plurality of sorting lines, a first-level shunt balance wheel and a first cache line.
The sorting lines are configured to convey goods, wherein first-level shunting nodes and first-level confluence nodes are arranged in the sorting lines, and the first-level shunting nodes are located on the downstream side of the first-level confluence nodes.
The primary shunting balance wheel is arranged at the primary shunting node and is configured to control the flow direction of goods on the sorting line by changing the steering direction.
The inlet end of the first cache line is configured to communicate with a first level splitting node of a first sorting line of the plurality of sorting lines through a first level splitting wobbler, and the outlet end of the first cache line is configured to communicate with a first level converging node of a second sorting line of the plurality of sorting lines.
Fig. 1 and 2 schematically show structural diagrams of a sorting line system according to an embodiment of the present disclosure.
As shown in fig. 1 and 2, the sorting line system includes at least two sorting lines (only two sorting lines are exemplarily shown in the drawings, and may not be limited to two), such as a first sorting line 1 and a second sorting line 2.
Wherein, be equipped with one-level reposition of redundant personnel node and one-level confluence node in every letter sorting line, wherein along the goods direction of delivery of letter sorting line, one-level reposition of redundant personnel node is located the downstream side of one-level confluence node. As shown in fig. 1, the first sorting line 1 includes a first sorting line-primary shunting node 101 and a first sorting line-primary confluence node 102, and the second sorting line 2 includes a second sorting line-primary shunting node 201 and a second sorting line-primary confluence node 202.
The downstream outlet of each sorting line is docked with a single piece separating device 5, the single piece separating device 5 being used to effect the single piece separation of the goods. The flow of the product in each sorting line is from the upstream port (near the end of the primary merge node 102/202) to the downstream port (near the end of the primary splitter node 101/201) and out to the singulator separator 5.
A primary diversion balance 31 is also provided in the sorting line, at each primary diversion node 101/201, and is configured to control the flow direction of the goods on the sorting line by changing the direction of diversion.
According to the embodiment of the disclosure, the sorting line system can be provided with cache lines, and the goods in the cache lines can finally flow to other sorting lines and can also finally flow to the sorting lines.
For example, the system includes a first cache line. The goods in the first cache line finally flow to other sorting lines, specifically, the inlet end of the first cache line is configured to be communicated with the first-level shunt node of the first sorting line in the plurality of sorting lines through the first-level shunt balance wheel, and the outlet end of the first cache line is configured to be communicated with the first-level confluence node of the second sorting line in the plurality of sorting lines.
As shown in fig. 1 and 2, for the first sorting line 1, the a-branch line 21 is used as the first cache line thereof, and the inlet end of the a-branch line 21 is communicated with the first sorting line-first-stage branching node 101 of the first sorting line 1 through the first-stage branching balance 31. The outlet end of the a-branch line 21 is configured to communicate with the second branch line-primary bus node 202 of the second branch line 2.
On the contrary, for the second sorting line 2, the B-branch line 11 is used as the first cache line.
According to the embodiment of the disclosure, aiming at the problems of unbalanced sorting flow and low sorting unloading efficiency in the related technology, the sorting line system of the embodiment of the disclosure buffers redundant goods during peak periods by additionally arranging the buffer line and the sorting line to form a circulation loop and a reservoir type buffer area, when the unloading flow exceeds the processing capacity of the rear-end automatic sorting system, the overflow flow is distributed to the buffer area buffer and a reservoir is formed, and when the unloading peak value passes, the goods buffered in the reservoir can be conveyed to the sorting system, so that frequent shutdown can be avoided, the sorting efficiency is improved, and continuous and balanced supply is realized. Furthermore, in the cache line, the goods flow to other sorting lines, when the current sorting line is busy, the goods flow to other sorting lines which are idle, the maximum utilization of the sorting line system can be realized, the output of equipment is reduced, the transportation efficiency is improved, the goods cache flow direction can be flexibly controlled according to the busy degree of the sorting line, the coordination capacity of the sorting system is improved, in the sorting system comprising a plurality of sorting lines, the conveying capacity of each sorting line is conveniently and fully utilized, and the utilization rate of the equipment is improved.
According to an embodiment of the present disclosure, the system may further include two types of cache lines, a first cache line and a second cache line.
The goods in the first cache line finally flow to other sorting lines, and particularly, the inlet end of the first cache line is configured to be communicated with the first-level shunting node of the first sorting line in the plurality of sorting lines through the first-level shunting balance wheel, and the outlet end of the first cache line is configured to be communicated with the first-level confluence node of the second sorting line in the plurality of sorting lines.
The goods in the second cache line finally flow to the self sorting line, specifically, the inlet end of the second cache line is configured to be communicated with the first-level shunt node of the first sorting line through the first-level shunt balance wheel, and the outlet end of the second cache line is configured to be communicated with the first-level confluence node of the first sorting line.
As shown in fig. 1 and 2, for the first sorting line 1, the a branch line 21 is used as a first buffer line, and the inlet end of the a branch line 21 is communicated with the first sorting line-first branch node 101 of the first sorting line 1 through the first-order branch balance 31. The outlet end of the a-branch line 21 is configured to communicate with the second branch line-primary bus node 202 of the second branch line 2.
For the first sorting line 1, the B branch line 11 is used as the second cache line thereof, the inlet end of the B branch line 11 is communicated with the first sorting line-first level branch node 101 of the first sorting line 1 through the first level branch balance 31, and the outlet end of the B branch line 11 is configured to be communicated with the first sorting line-first level branch node 102 of the first sorting line 1.
Conversely, for the second sorting line 2, the a branch line 21 is used as the second cache line thereof, and the B branch line 11 is used as the first cache line thereof.
According to the embodiment of the present disclosure, for the first sorting line 1, the inlet end of the first cache line is communicated with the first-level shunting node of the first sorting line 1, and the inlet end of the second cache line is communicated with the first-level shunting node of the first sorting line 1, which can be implemented in various structural forms in a specific implementation manner. Fig. 1 and 2 schematically show two achievable structural forms, which are described in detail below with reference to fig. 1 and 2.
As shown in fig. 1, the system further includes a transition section 4, an inlet end of the transition section 4 is configured to communicate with the first-level shunt node through the first-level shunt balance wheel 31, and an outlet end of the transition section 4 is configured to communicate with an inlet end of the first cache line and an inlet end of the second cache line through the first-level shunt balance wheel 31, that is, the first cache line and the second cache line communicate with the first-level shunt node through the common transition section 4.
As shown in fig. 1, for the first sorting line 1, the a branch line 21 is used as the first cache line thereof, and the B branch line 11 is used as the second cache line thereof, since the inlet ends of the first cache line and the second cache line are both communicated with the first sorting line 1, the first sorting line 1 can be commonly communicated with the first sorting line 1 by adding a transition section 4 as the intersection line on the inlet end side of the first cache line and the second cache line, and further by the transition section 4. Specifically, the junction of the branch line a 21 and the branch line B11 may be connected to the transition node 40 of the transition section 4 (i.e., the outlet end node of the transition section 4) through a primary shunt balance 31, and the inlet end of the transition section 4 is further connected to the first sorting line-primary shunt node 101 of the first sorting line 1 through a primary shunt balance 31.
As shown in fig. 2, for the first sorting line 1, the a branch line 21 as its first cache line and the B branch line 11 as its second cache line may be arranged to communicate the inlet ends of the first cache line and the second cache line, respectively, with the first sorting line 1. Specifically, two first sorting line-primary splitting nodes 101 may be provided at different positions in the first sorting line 1, the a-splitting line 21 being connected at one of the first sorting line-primary splitting nodes 101 of the first sorting line 1 by one primary splitting balance 31, and the B-splitting line 11 being connected at the other first sorting line-primary splitting node 101 of the first sorting line 1 by one primary splitting balance 31.
According to the embodiment of the present disclosure, for the second sorting line 2, the a-branch line 21 is used as the second cache line thereof, and the B-branch line 11 is used as the first cache line thereof. For the second sorting line 2, the inlet end of the first cache line is communicated with the first-level shunting node of the second sorting line 2, and the inlet end of the second cache line is communicated with the first-level shunting node of the second sorting line 2. Fig. 1 and 2 schematically show two achievable structural forms, and specific structural forms thereof are described in the above description about the first sorting line 1, and are not described again here.
Furthermore, the cache lines are provided with two types, so that goods can be respectively distributed to the current sorting line or other sorting lines, the flow direction of the goods cache is flexibly controlled according to the busy degree of the sorting lines, the coordination capacity of the sorting system is improved, the conveying capacity of each sorting line is conveniently and fully utilized in the sorting system comprising a plurality of sorting lines, and the utilization rate of equipment is improved.
According to an embodiment of the present disclosure, the system further includes a first flow monitoring device disposed at the first-stage shunting node and configured to output a first flow signal through flow monitoring, where the first flow signal includes a cargo flow at an upstream section of the first-stage shunting node and a cargo flow at a downstream section of the first-stage shunting node.
According to an embodiment of the present disclosure, the system further includes a second flow monitoring device disposed at the primary sink node and configured to output a second flow signal through flow monitoring, where the second flow signal includes a cargo flow at an upstream section of the primary sink node and a cargo flow at a downstream section of the primary sink node.
According to the embodiment of the present disclosure, as shown in fig. 1 and 2, in the first sorting line 1 and the second sorting line 2, at each primary shunting node 101/201, a first flow rate monitoring device may be provided for monitoring the cargo flow rate of the upstream section and the downstream section (indicated in the figure) of the primary shunting node 101/201. The upstream section of the first-stage shunting node 101/201 is an upstream sorting line segment within a first preset distance range from the first-stage shunting node 101/201, and the downstream section of the first-stage shunting node 101/201 is a downstream sorting line segment within a first preset distance range from the first-stage shunting node 101/201.
According to the embodiment of the disclosure, the flow monitoring device is arranged at the first-level shunting node, so that the flow of goods on two sides of the shunting node can be acquired in real time, the steering of the first-level shunting balance wheel can be adjusted conveniently in time according to the flow of two sides, when the downstream section of the current sorting line is idle, the goods are controlled by the first-level shunting balance wheel to continue to be transported along the downstream of the current sorting line, or when the downstream section of the current sorting line is busy, the goods are controlled by the first-level shunting balance wheel to flow to the cache line.
According to the embodiment of the present disclosure, as shown in fig. 1 and 2, in the first sorting line 1 and the second sorting line 2, at each primary confluence node 102/202, there is provided a second flow rate monitoring device for monitoring the cargo flow rate of the upstream and downstream sections (flow rate monitoring sections indicated in the figure) of the primary confluence node 102/202. The upstream segment of the primary merge node 102/202 is an upstream sorted segment within a second predetermined distance from the primary merge node 102/202, and the downstream segment of the primary merge node 102/202 is a downstream sorted segment within a second predetermined distance from the primary merge node 102/202.
According to the embodiment of the disclosure, the flow monitoring device is arranged at the first-level confluence node, the flow of goods on two sides of the confluence node can be obtained in real time, the steering of the first-level shunt balance wheel is convenient to adjust in time according to the flow on two sides, when the upstream section of the current sorting line is idle, the goods are controlled by the first-level shunt balance wheel to return to the upstream section of the current sorting line through the cache line, or when the upstream section of the current sorting line is busy, the goods are controlled by the first-level shunt balance wheel to flow to other cache lines or sorting lines.
According to an embodiment of the present disclosure, the system further includes a controller electrically connected to the first flow monitoring device and the second flow monitoring device, and configured to control the turning of the primary shunt balance according to the first flow signal and the second flow signal, so that the goods on the sorting line flow to the first cache line or flow to the second cache line.
According to the embodiment of the disclosure, the controller may cause each primary shunt balance to perform a steering action (e.g., the balance is turned or deflected by a preset angle) according to the steering command by sending the steering command to each primary shunt balance.
According to the embodiment of the present disclosure, as shown in fig. 1, for example, for the first sorting line 1, the controller controls the goods to continue to be transported downstream along the current sorting line by controlling the primary shunt balance 31 at the first sorting line-primary shunt node 101 to return to positive when the downstream section of the current sorting line is determined to be idle according to the first flow signal of the first sorting line 1, or controls the goods to flow to the cache line by controlling the primary shunt balance 31 at the first sorting line-primary shunt node 101 to deflect when the downstream section of the current sorting line is busy.
According to the embodiment of the present disclosure, as shown in fig. 1, for example, for the first sorting line 1, after controlling the goods to flow to the cache line by controlling the first-level shunt balance 31 at the first sorting line-first-level shunt node 101 to deflect when the downstream segment of the current sorting line is determined to be busy according to the first flow signal of the first sorting line 1, the controller needs to determine which cache line the goods will flow to (the first cache line of which the a-shunt line 21 is used and the second cache line of which the B-shunt line 11 is used) in combination with the second flow signal of the second sorting line 2. When the upstream section of the second sorting line 2 is judged to be idle by combining the second flow signal, the deflection of the primary shunt balance wheel 31 at the transition section node 40 is controlled to control the flow direction of the goods to the A shunt line 21; or when the upstream segment of the second sorting line 2 is busy according to the judgment of the second flow signal, the flow of the goods is controlled to the B-branch line 11 by controlling the primary shunting balance wheel 31 at the transition segment node 40 to return.
According to the embodiment of the disclosure, through adding and establishing the controller, can combine flow monitoring device to form automatic coordinated control, realize that letter sorting line automation continues to supply the piece for the letter sorting line can supply the material in equilibrium, continuously, and saved the time cost that the manpower detected and regulated and control, improved production efficiency.
According to the embodiment of the present disclosure, further, a second-level shunting node and a second-level confluence node are provided in the first cache line and/or the second cache line, wherein the second-level shunting node is located on an upstream side of the second-level confluence node in a cargo conveying direction of the first cache line and the second cache line, and a second-level shunting balance wheel is provided at the second-level shunting node.
The sorting line system is also provided with a sub-cache line, the inlet end of the sub-cache line is configured to be communicated with the second-level shunt node through the second-level shunt balance wheel, and the outlet end of the sub-cache line is configured to be communicated with the second-level confluence node.
As shown in fig. 1 and 2, in the first sorting line 1, the B diversion line 11 is used as a second cache line thereof, and is provided with a secondary diversion node 111 and a secondary confluence node 112, and a secondary diversion balance wheel 32 is arranged at the secondary diversion node 111. The entry end of the sub-cache line 12 is configured to communicate with the second level shunting node 111 through the second level shunting wobbler 32, and the exit end of the sub-cache line 12 is configured to communicate with the second level sink node 112.
In addition, in the first sorting line 1, the a branch line 21 is used as a first cache line thereof, and a secondary branch node and a secondary sink node may also be provided thereon, and a secondary branch balance wheel (not shown in the figure) is provided at the secondary branch node.
According to the embodiments of the present disclosure, in the direction parallel to the sub cache lines, the next-level cache line may also be set, and a multi-level cache may be set as needed.
According to an embodiment of the disclosure, the controller is further configured to control the second level shunt balance to turn such that the cargo on the first cache line or the second cache line flows to the sub-cache line in accordance with the second flow signal.
As shown in fig. 1, for example, for the first sorting line 1, when the goods flow to the B-branch line 11 before the goods flow, the controller may judge that the upstream section of the first sorting line 1 is idle according to the second flow signal of the first sorting line 1, the goods flow to the B-branch line 11 is controlled by controlling the secondary diversion balance 32 at the secondary diversion node 111 to return to positive; or when the upstream segment of the first sorting line 1 is busy according to the judgment of the second flow signal, the deflection of the goods flowing to the sub-cache line 12 is controlled by controlling the secondary shunting balance wheel 32 at the secondary shunting node 111.
According to the embodiment of the disclosure, the multi-level cache is formed by arranging the sub-cache lines, the redundancy capacity of the cargo cache area can be further improved, the redundant cargos can be further cached in the peak period through the lower-level cache in the peak period of logistics, the low sorting efficiency caused by frequent parking is avoided, the coordination capacity of the sorting system is improved, and the utilization rate of the equipment is improved.
Based on the sorting line system, another aspect of the disclosure also provides a sorting control method.
In the commodity circulation letter sorting process, adopt the letter sorting line to carry out the goods letter sorting, can appear a large amount of vehicles in the peak period of goods and concentrate on the place and queue up the unloading, the goods carries to letter sorting center through the flexible machine piece by piece and carries out automatic sorting.
Fig. 3 schematically illustrates a control schematic block diagram of a sorting control method according to an embodiment of the present disclosure.
As shown in fig. 3, the sorting control method according to the embodiment of the present disclosure is different from the conventional sorting method in the related art (unloading direct docking automatic matrix sorting, one-to-one or many-to-one sorting, and when the unloading amount is greater than the designed sorting capacity, the unloading front end is stopped), and a reservoir type sorting mode is adopted, on the basis of the unloading direct docking automatic matrix sorting, before entering the automatic matrix sorting downstream of the sorting line to separate the single pieces, a diversion cache line (e.g., a sorting line with controllable flow rate) is added, and the specific control flow is:
under the condition that the volume of unloading does not exceed design letter sorting ability (the accessible sets up the downstream section that is close to the letter sorting line export in the flow monitoring device real-time detection letter sorting line, the goods flow of matrix letter sorting incoming line section promptly, judges whether to exceed design letter sorting ability), do not shunt, the goods is direct transports to letter sorting line low reaches export along the letter sorting line, realizes the single separation of goods through the single piece separator of the low reaches export butt joint of letter sorting line.
Under the condition that the unloading quantity does not exceed the designed sorting capacity, the goods are shunted, firstly, the goods flow direction is controlled to be towards a shunting cache line through a shunting balance wheel arranged in a sorting line, redundant goods are cached by utilizing the shunting cache line (a reservoir principle), so that the goods in a main sorting line can process the residual goods by utilizing the goods cache time period, when the downstream flow of the sorting line is reduced, the goods in a shunting cache area are automatically supplemented to downstream, and the single piece separation of the goods is realized through a single piece separation device butted with a downstream outlet of the sorting line, so that the flow balance of the system is integrally realized, the efficiency of the system is improved, and the redundancy capacity of the system is enhanced.
According to the embodiment of the disclosure, the sorting line system can be provided with a buffer line, and the goods in the buffer line can be controlled to finally flow to other unsaturated sorting lines or to self sorting lines by controlling the steering of the shunt balance wheel.
Under the condition of controlling the goods in the cache line to flow to other unsaturated sorting lines, the maximum utilization of the sorting line system can be realized, the equipment output is reduced, the transportation efficiency is improved, the goods cache flow direction is flexibly controlled according to the busy degree of the sorting lines, the coordination capacity of the sorting system is improved, the conveying capacity of each sorting line is conveniently and fully utilized in the sorting system comprising a plurality of sorting lines, and the utilization rate of the equipment is improved.
Based on the sorting control method shown in fig. 3, in particular, the sorting control method of the embodiment of the present disclosure may refer to the following description.
Fig. 4 schematically illustrates a flow chart of a sort control method according to an embodiment of the present disclosure.
As shown in fig. 4, the sorting control method of this embodiment includes operations S401 to S404.
In operation S401, conveying goods by using a plurality of sorting lines, where a first-level diversion node and a first-level confluence node are disposed in the sorting lines, where the first-level diversion node is located on a downstream side of the first-level confluence node along a goods conveying direction of the sorting lines, a first-level diversion balance wheel is disposed at the first-level diversion node, a first flow monitoring device is disposed at the first-level diversion node, and a second flow monitoring device is disposed at the first-level confluence node; the first flow monitoring device is configured to output a first flow signal, the first flow signal comprises the cargo flow of the upstream section of the first-stage shunting node and the cargo flow of the downstream section of the first-stage shunting node, the second flow monitoring device is configured to output a second flow signal, and the second flow signal comprises the cargo flow of the upstream section of the first-stage junction node and the cargo flow of the downstream section of the first-stage junction node.
In operation S402, a first flow signal transmitted by a first flow monitoring device in a first sorting line is received. According to the embodiment of the disclosure, the goods flow on the two sides of the shunting node is obtained, so that the turning direction of the first-level shunting balance wheel can be adjusted in time according to the flow on the two sides, when the downstream section of the current sorting line is idle, the goods are controlled by the first-level shunting balance wheel to be transported continuously along the downstream of the current sorting line, or when the downstream section of the current sorting line is busy, the goods are controlled by the first-level shunting balance wheel to flow to the cache line.
In operation S403, a second flow signal transmitted by a second flow monitoring device in a second sorting line is received. According to the embodiment of the disclosure, the goods flow on two sides of the confluence node is obtained in real time, so that the turning direction of the first-level shunt balance wheel can be adjusted in time according to the flow on two sides, when the upstream section of the current sorting line is idle, the goods are controlled by the first-level shunt balance wheel to return to the upstream section of the current sorting line through the cache line, or when the upstream section of the current sorting line is busy, the goods are controlled by the first-level shunt balance wheel to flow to other cache lines or sorting lines. The cargo cache flow direction can be flexibly controlled according to the busy degree of the sorting line, and the coordination capacity of the sorting system is improved.
Controlling a turn of a primary shunt balance in the first sorting line so that goods on the first sorting line flow to the first cache line or flow to the second cache line, according to the first flow signal and the second flow signal in operation S404; the inlet end of the first cache line is configured to be communicated with the first-level shunt node of the first sorting line through the first-level shunt balance wheel, and the outlet end of the first cache line is configured to be communicated with the first-level confluence node of the second sorting line; the inlet end of the second cache line is configured to communicate with the first level shunt node of the first sort line through the first level shunt balance wheel, and the outlet end of the second cache line is configured to communicate with the first level confluence node of the first sort line.
According to the embodiment of the disclosure, aiming at the problems of unbalanced sorting flow and low sorting and unloading efficiency in the related art, the sorting control method of the embodiment of the disclosure forms automatic linkage control by combining with the flow monitoring device, by controlling the flow of goods to the cache lines in the sorting line system, the redundant goods during peak periods are cached, when the unloading flow rate exceeds the processing capacity of the rear-end automatic sorting system, the overflow flow rate is shunted to a buffer memory area for buffering and forming a water storage pool, when the unloading peak value is passed, the goods buffered by the water storage pool can be conveyed to the sorting system, can avoid frequent shutdown, improve sorting efficiency, realize continuous and balanced material supply, realize automatic and continuous supply of the sorting line, the sorting line can supply goods in a balanced and continuous manner, time cost of manpower detection and regulation is saved, and production efficiency is improved.
According to an embodiment of the present disclosure, the controlling method may specifically include, according to the first flow signal and the second flow signal, controlling the turning of the primary shunt balance in the first sorting line:
when the downstream section of the current sorting line is idle, the goods are controlled to be continuously transported along the downstream of the current sorting line through the primary shunting balance wheel. Specifically, in the case that the flow rate of the goods at the downstream section of the first-level diversion node in the first sorting line is smaller than the first flow rate threshold value, or the flow rate of the goods at the upstream section of the first-level diversion node in the first sorting line is equal to zero, the first-level diversion balance wheel is controlled to turn according to the first turning instruction, so that the goods in the first sorting line flow along the downstream of the first sorting line.
When the downstream segment of the current sorting line is busy, the goods are controlled to flow to the cache line through the primary shunt balance wheel. It is necessary to determine which cache line the cargo is flowing to in conjunction with the second flow signal of the second sort line. Specifically, the following situations can be included:
case 1: and when the upstream section of the second sorting line is judged to be idle by combining the second flow signal, the goods flow to the first cache line and finally flow to the second sorting line through the first cache line.
Specifically, the method comprises the following steps: under the conditions that the goods flow of a downstream section of a first-level shunt node in a first sorting line is larger than or equal to a first flow threshold value, the goods flow of an upstream section of the first-level shunt node in the first sorting line is larger than zero, and the goods flow of a downstream section of a first-level confluence node in a second sorting line is smaller than a second flow threshold value, the first-level shunt balance wheel is controlled to steer according to a first steering instruction, so that the goods in the first sorting line flow to a first cache line.
Or, specifically, the above case further includes: and under the conditions that the cargo flow of the downstream section of the first-level shunting node in the first sorting line is greater than or equal to a first flow threshold value, the cargo flow of the upstream section of the first-level shunting node in the first sorting line is greater than zero, and the cargo flow of the upstream section of the first-level confluence node in the second sorting line is equal to zero, controlling the first-level shunting balance wheel to turn according to a first turning instruction, so that the cargo in the first sorting line flows to the first cache line.
Case 2: and when the upstream section of the second sorting line is judged to be busy by combining the second flow signal, the goods flow to the second cache line and finally flow back to the first sorting line through the second cache line.
And under the conditions that the cargo flow of the downstream section of the first-level shunting node in the first sorting line is more than or equal to a first flow threshold value, the cargo flow of the upstream section of the first-level shunting node in the first sorting line is more than zero, the cargo flow of the downstream section of the first-level confluence node in the second sorting line is more than or equal to a second flow threshold value, and the cargo flow of the upstream section of the first-level confluence node in the second sorting line is more than zero, controlling the first-level shunting balance wheel to turn according to a second turning instruction, so that the cargo in the first sorting line flows to a second cache line.
According to the embodiment of the disclosure, the goods in the first sorting line are controlled to flow to which cache line according to the first flow signal and the second flow signal, so that the goods can respectively flow to the current sorting line or other sorting lines, the goods cache flow direction can be flexibly controlled according to the busy degree of the sorting line, the coordination capacity of the sorting system is improved, the conveying capacity of each sorting line is conveniently and fully utilized in the sorting system comprising a plurality of sorting lines, and the utilization rate of equipment is improved.
According to the embodiment of the present disclosure, further, a second-level shunting node and a second-level confluence node are arranged in the first cache line and/or the second cache line, wherein the second-level shunting node is located on an upstream side of the second-level confluence node along a cargo conveying direction of the first cache line and the second cache line, and a second-level shunting balance wheel is arranged at the second-level shunting node.
The control method further comprises the following steps:
receiving a second flow signal sent by a second flow monitoring device in the first sorting line in the process of transporting goods in the second cache line;
and under the condition that the cargo flow of the downstream section of the first-level confluence node in the first sorting line is greater than or equal to a third flow threshold, and the cargo flow of the upstream section of the first-level confluence node in the first sorting line is greater than zero, controlling the second-level shunt balance wheel to steer according to a third steering instruction, so that the cargo in the second cache line flows to the sub-cache line, wherein the inlet end of the sub-cache line is configured to be communicated with the second-level shunt node through the second-level shunt balance wheel, and the outlet end of the sub-cache line is configured to be communicated with the second-level confluence node.
Fig. 5 schematically illustrates a flow chart of a sorting control method according to another embodiment of the present disclosure.
The following describes an exemplary sorting control method according to an embodiment of the present disclosure with reference to fig. 1 and fig. 5.
As shown in fig. 1 and 5, taking the first sorting line 1 as the current analysis object as an example, the sorting control method of the embodiment of the present disclosure includes:
in the process of transporting goods in the first sorting line 1, flow on two sides of a first-level shunt node 101 of the first sorting line 1 is monitored, a first flow signal is obtained, when a downstream section (shunt section) of the current sorting line is idle (the flow of goods in the downstream section of the first-level shunt node 101 in the first sorting line 1 is smaller than a first flow threshold value or the flow of goods in an upstream section of the first-level shunt node 101 in the first sorting line 1 is equal to zero) according to the first flow signal of the first sorting line 1, the first-level shunt balance wheel 31 at the first sorting line-first-level shunt node 101 is controlled to return to the right state, and the goods are controlled to continue to be transported along the downstream of the current sorting line.
When the downstream section (shunting section) of the first sorting line 1 is busy (the flow of goods at the downstream section of the first-level shunting node 101 in the first sorting line 1 is greater than or equal to a first flow threshold value, and the flow of goods at the upstream section of the first-level shunting node 101 in the first sorting line 1 is greater than zero), the deflection of the first-level shunting balance wheel 31 at the first sorting line-first-level shunting node 101 is controlled to control the flow of goods to the cache line.
According to the embodiment of the present disclosure, for example, for the first sorting line 1, before controlling the flow of the goods to the cache line by controlling the primary diversion wobbler 31 at the first sorting line-primary diversion node 101 to deflect when the downstream section of the current sorting line is busy according to the first flow signal of the first sorting line 1, it is necessary to determine which cache line the goods flow to (the first cache line having the a diversion line 21 as it and the second cache line having the B diversion line 11 as it) in combination with the second flow signal of the second sorting line 2.
Specifically, when the upstream section (confluence section) of the second sorting line 2 is determined to be idle in combination with the second flow signal (the flow of the goods at the downstream section of the first-level confluence node 202 in the second sorting line 2 is less than the second flow threshold, or the flow of the goods at the upstream section of the first-level confluence node 202 in the second sorting line 2 is equal to zero), the first-level shunt balance wheel 31 at the transition section node 40 is controlled to deflect to control the goods to flow to the first cache line-a diversion line 21, and then the goods return to the second sorting line 2 through the first cache line.
When the upstream segment (confluence segment) of the second sorting line 2 is determined to be busy by combining the second flow signal (the flow of the goods at the downstream segment of the first-level confluence node 202 in the second sorting line 2 is greater than or equal to the second flow threshold, and the flow of the goods at the upstream segment of the first-level confluence node 202 in the second sorting line 2 is greater than zero), the first-level shunt balance wheel 31 at the transition segment node 40 is controlled to return to the second cache line-B shunt line 11.
Further, for the first sorting line 1, when the upstream section (confluence section) of the first sorting line 1 is idle according to the second flow signal of the first sorting line 1 before the goods flow to the B diversion line 11 (the flow of the goods at the downstream section of the first-level confluence node 102 in the first sorting line 1 is less than the third flow threshold, or the flow of the goods at the upstream section of the first-level confluence node 102 in the first sorting line 1 is equal to zero), the goods flow to the second cache line-B diversion line 11 is controlled by controlling the second-level diversion wobbler 32 at the second-level diversion node 111, and further the goods return to the first sorting line 1.
When the upstream segment (confluence segment) of the first sorting line 1 is judged to be busy by combining the second flow signal (the flow of the goods at the downstream segment of the first-level confluence node 102 in the first sorting line 1 is greater than or equal to the third flow threshold, and the flow of the goods at the upstream segment of the first-level confluence node 102 in the first sorting line 1 is greater than zero), the two-level shunt balance wheel 32 at the second-level shunt node 111 is controlled to deflect the goods to flow to the sub-cache line 12, and further the goods return to the first sorting line 1 through the sub-cache line 12.
According to the embodiment of the disclosure, the goods flow direction sub-cache line is controlled according to the second flow signal to form a multi-level cache, so that the redundancy capacity of the goods cache region can be further improved, the redundant goods during the peak period can be further cached through a lower-level cache during the logistics peak period, the low sorting efficiency caused by frequent parking is avoided, the coordination capacity of a sorting system is improved, and the utilization rate of equipment is improved.
According to the embodiment of the present disclosure, the sorting control method using the second sorting line 2 as the current analysis object can refer to the above description using the first sorting line 1 as the current analysis object, and is not repeated herein.
Those skilled in the art will appreciate that various combinations and/or combinations of features recited in the various embodiments and/or claims of the present disclosure can be made, even if such combinations or combinations are not expressly recited in the present disclosure. In particular, various combinations and/or combinations of the features recited in the various embodiments and/or claims of the present disclosure may be made without departing from the spirit or teaching of the present disclosure. All such combinations and/or associations are within the scope of the present disclosure.
The embodiments of the present disclosure are described above. However, these examples are for illustrative purposes only and are not intended to limit the scope of the present disclosure. Although the embodiments are described separately above, this does not mean that the measures in the embodiments cannot be used in advantageous combination. The scope of the disclosure is defined by the appended claims and equivalents thereof. Various alternatives and modifications can be devised by those skilled in the art without departing from the scope of the present disclosure, and such alternatives and modifications are intended to be within the scope of the present disclosure.
Claims (13)
1. A sorting line system comprising:
the sorting line comprises a plurality of sorting lines, a first-stage distributing node and a first-stage converging node, wherein the sorting lines are configured to convey cargos, the first-stage distributing node and the first-stage converging node are arranged in the sorting lines, and the first-stage distributing node is positioned on the downstream side of the first-stage converging node along the cargo conveying direction of the sorting lines;
the primary shunting balance wheel is arranged at the primary shunting node and is configured to control the flow direction of the goods on the sorting line by changing the steering direction;
a first cache line having an inlet end configured to communicate with a first level splitting node of a first sort line of the plurality of sort lines through the first level splitting wobbler, and an outlet end configured to communicate with the first level confluence node of a second sort line of the plurality of sort lines.
2. The system of claim 1, further comprising:
a second cache line having an entry end configured to communicate with a level one shunt node of the first sort line through the level one shunt wobbler, and an exit end configured to communicate with a level one merge node of the first sort line.
3. The system of claim 1, further comprising:
the first flow monitoring device is arranged at the first-stage shunting node and is configured to output a first flow signal through flow monitoring, wherein the first flow signal comprises the cargo flow of an upstream section of the first-stage shunting node and the cargo flow of a downstream section of the first-stage shunting node.
4. The system of claim 3, further comprising:
and the second flow monitoring device is arranged at the primary confluence node and is configured to output a second flow signal through flow monitoring, wherein the second flow signal comprises the cargo flow of the upstream section of the primary confluence node and the cargo flow of the downstream section of the primary confluence node.
5. The system of claim 4, further comprising:
the controller is electrically connected with the first flow monitoring device and the second flow monitoring device and is configured to control the turning of the primary shunt balance wheel according to the first flow signal and the second flow signal, so that goods on the sorting line flow to the first cache line or flow to the second cache line.
6. The system of claim 2 or 4, wherein:
a second-level shunting node and a second-level confluence node are arranged in the first cache line and/or the second cache line, wherein the second-level shunting node is positioned on the upstream side of the second-level confluence node along the goods conveying direction of the first cache line and the second cache line, and a second-level shunting balance wheel is arranged at the second-level shunting node;
the system further comprises a sub-cache line, wherein an inlet end of the sub-cache line is configured to be communicated with the second-level shunt node through the second-level shunt balance wheel, and an outlet end of the sub-cache line is configured to be communicated with the second-level confluence node.
7. The system of claim 6, wherein:
the inlet end of the transition section is configured to be communicated with the first-level shunt node through the first-level shunt balance wheel, and the outlet end of the transition section is configured to be communicated with the inlet end of the first cache line and the inlet end of the second cache line together through the first-level shunt balance wheel.
8. The system of claim 6, wherein:
the controller is further configured to control the second level shunt balance to turn according to the second flow signal so that the cargo on the first cache line or the second cache line flows to the sub-cache line.
9. A sort control method, comprising:
conveying goods by utilizing a plurality of sorting lines, wherein a primary shunting node and a primary confluence node are arranged in each sorting line, the primary shunting nodes are positioned on the downstream side of the primary confluence nodes along the goods conveying direction of the sorting lines, primary shunting balance wheels are arranged at the primary shunting nodes, first flow monitoring devices are arranged at the primary shunting nodes, and second flow monitoring devices are arranged at the primary confluence nodes; wherein the first flow monitoring device is configured to output a first flow signal comprising a cargo flow rate at an upstream segment of a primary splitting node and a cargo flow rate at a downstream segment of the primary splitting node, and the second flow monitoring device is configured to output a second flow signal comprising a cargo flow rate at an upstream segment of a primary junction node and a cargo flow rate at a downstream segment of the primary junction node;
receiving a first flow signal sent by a first flow monitoring device in a first sorting line;
receiving a second flow signal sent by a second flow monitoring device in a second sorting line;
controlling the steering of a first-level shunt balance wheel in the first sorting line according to the first flow signal and the second flow signal so that goods on the first sorting line flow to a first cache line or flow to a second cache line; wherein an entry end of the first cache line is configured to communicate with a level one shunt node of the first sort line through the level one shunt wobbler, and an exit end of the first cache line is configured to communicate with the level one merge node of the second sort line; the inlet end of the second cache line is configured to communicate with the first level splitting node of the first sort line through the first level splitting wobbler, and the outlet end of the second cache line is configured to communicate with the first level merging node of the first sort line.
10. The method of claim 9, wherein said controlling the turn of the primary escapement wheel in the first sort line based on the first flow signal and the second flow signal comprises:
and under the conditions that the cargo flow of the downstream section of the first-level shunting node in the first sorting line is greater than or equal to a first flow threshold value, the cargo flow of the upstream section of the first-level shunting node in the first sorting line is greater than zero, and the cargo flow of the downstream section of the first-level confluence node in the second sorting line is less than a second flow threshold value, controlling the first-level shunting balance wheel to turn according to a first turning instruction, so that the cargo in the first sorting line flows to the first cache line.
11. The method of claim 9, wherein said controlling the turn of the primary escapement wheel in the first sort line based on the first flow signal and the second flow signal comprises:
and under the conditions that the cargo flow of a downstream section of a first-level shunting node in the first sorting line is greater than or equal to a first flow threshold value, the cargo flow of an upstream section of a first-level shunting node in the first sorting line is greater than zero, and the cargo flow of an upstream section of a first-level confluence node in the second sorting line is equal to zero, controlling the first-level shunting balance wheel to steer according to the first steering instruction, so that the cargo in the first sorting line flows to the first cache line.
12. The method of claim 9, wherein said controlling the turn of the primary escapement wheel in the first sort line based on the first flow signal and the second flow signal comprises:
and under the conditions that the cargo flow of the downstream section of the first-level shunting node in the first sorting line is greater than or equal to a first flow threshold value, the cargo flow of the upstream section of the first-level shunting node in the first sorting line is greater than zero, the cargo flow of the downstream section of the first-level confluence node in the second sorting line is greater than or equal to a second flow threshold value, and the cargo flow of the upstream section of the first-level confluence node in the second sorting line is greater than zero, controlling the first-level shunting balance wheel to steer according to a second steering instruction, so that the cargo in the first sorting line flows to the second cache line.
13. The method of claim 9, wherein:
a second-level shunting node and a second-level confluence node are arranged in the first cache line and the second cache line, wherein the second-level shunting node is positioned on the upstream side of the second-level confluence node along the goods conveying direction of the first cache line and the second cache line, and a second-level shunting balance wheel is arranged at the second-level shunting node;
the method further comprises the following steps:
receiving a second flow signal sent by a second flow monitoring device in the first sorting line in the process of transporting goods in the second cache line;
and under the condition that the cargo flow of a downstream section of the first-level confluence node in the first sorting line is greater than or equal to a third flow threshold value, and the cargo flow of an upstream section of the first-level confluence node in the first sorting line is greater than zero, controlling the secondary shunt balance wheel to steer according to a third steering instruction, so that the cargo in the second cache line flows to a sub-cache line, wherein the inlet end of the sub-cache line is configured to be communicated with the secondary shunt node through the secondary shunt balance wheel, and the outlet end of the sub-cache line is configured to be communicated with the secondary confluence node.
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