CN106391481A - Conflict detection method - Google Patents
Conflict detection method Download PDFInfo
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- CN106391481A CN106391481A CN201610795019.9A CN201610795019A CN106391481A CN 106391481 A CN106391481 A CN 106391481A CN 201610795019 A CN201610795019 A CN 201610795019A CN 106391481 A CN106391481 A CN 106391481A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C3/00—Sorting according to destination
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Abstract
The invention provides a conflict detection method which comprises the following steps of 1, monitoring whether a plurality of data transmission channels are in the idle state or not by a current bin control unit; 2, if not, judging whether the data transmission channels in the non-idle state are converted into the idle state or not by the current bin control unit; 3, if yes, selecting one data transmission channel in the idle state as a data sending channel from the data transmission channels by the current bin control unit; 4, judging whether the data sending channel is in conflict with the data transmission channels in other bin control units or not by the current bin control unit; 5, if not, connecting the current bin control unit with a managing unit wirelessly and disconnecting the current bin control unit with the managing unit; and 6, if yes, calculating the random yielding time by the current bin control unit, and after the random yielding time is reached, returning to the step 3. The conflict detection method with the technical scheme has the beneficial effects that the bin control units can detect whether data transmission channels conflict or not, and data interaction between the bin control units and a logistics control system is effectively ensured.
Description
Technical field
The present invention relates to communication technical field, more particularly, to a kind of detection collision method.
Background technology
With net purchase developing rapidly nearly ten years, one of industry flourishing therewith is exactly logistic industry, in order to
The enterprise reducing human cost and human error and bringing and the double loss of client, automation point is all being found by each express company
The solution picking, crossed belt type sorter is exactly a kind of equipment being applied to express delivery smallclothes parcel automatic sorting, and it can be right
Parcel is weighed, and barcode scanning simultaneously executes sorting automatically.
In this logistics control system, the source of parcel is called bin, and each bin represents the sorting mesh of next stage
Ground.Each bin can be by arranging bin control panel in order to when bin is wrapped and fills up, automatically to send signal, to indicate work
Carry out collecting package operation as personnel, when parcel fills up bin, bin control panel will return signal of buying securities with all one's capital.Bin shielded signal, when
Scene needs to shield some no bins or when Ji Bao is processed, and can be realized using a self-lock switch, switch is pressed
Under, represent bin shielding, otherwise use for normal.The light point sensor of wherein bin control panel needs 3 lines, switchs needs two
Root line, buzzer and indicator lamp respectively need both threads, simplify public power line and disregard, the line that each bin needs has 6 lines
General sorter blanking port quantity, according to current national situations, is typically above 100.So see the work of bin wiring
Measure very big, if not improving, wiring work easily causes error, thus when extending debug time and checking and accepting
Between, there may be when on the other hand wirelessly sending data between each bin control panel and receive other bins controls
The signal interference of plate in turn results in the slow defect of sorting system operating efficiency.
Content of the invention
The problems referred to above existing for the bin control unit in logistics control system in prior art, now provide a kind of purport
Can detect that data transmission channel whether there is conflict realizing bin control unit, and then take the mode of avoidance effectively to protect
Demonstrate,prove the data interaction carrying out between bin control unit and logistics control system.
Concrete technical scheme is as follows：
A kind of detection collision method, is applied to sort the detection of bin, wherein,
One administrative unit is provided, is connected with a logistics control system；
There is provided multiple bin control units, each described bin control unit is wirelessly with described administrative unit even
Connect；
Described bin control unit, in order to provide multiple data transmission channels；
Described detection collision method comprises the following steps：
Step S1, current described bin control unit are in order to monitor whether multiple described data transmission channels are in idle shape
State；
As no, then execution step S2；
In this way, then execution step S3；
Step S2, current described bin control unit judge whether the described data transmission channel being in busy state is changed
For idle condition；
Step S3, current described bin control unit select one among multiple described data transmission channels and are in idle shape
The described data transmission channel of state is as data is activation channel；
Step S4, current described bin control unit judge described data is activation channel and other described bin control units
Whether described data transmission channel conflicts；
As no, then execution step S5；
In this way, then execution step S6；
Step S5, then current described bin control unit pass through administrative unit described in wireless access exiting；
Step S6, current described bin control unit calculate the random avoidance time, and after reaching the described random avoidance time,
Return to step S3.
Preferably, in described step S1, current described bin control unit indicates according to the intensity of receipt signal, judges
Whether described data transmission channel is in idle condition.
Preferably, in described step S4, current described bin control unit, when broadcasting described detection messages, stops connecing
Receive the described detection messages that other described bin control units send.
Preferably, in described step S2, judge whether the described data transmission channel of described busy state is converted to sky
The method of not busy state includes：
A, current described bin control unit judge whether the current described data transmission channel selecting is idle；
If so, then execution step B；
If it is not, then execution step C；
Step B, described bin control unit calculate the described random avoidance time, and after reaching the described random avoidance time, and
Continue to judge that current described data transmission channel whether there is conflict；
As no, then execution step S3；
In this way, continue executing with step B；
Step C, current described bin control unit calculate the random avoidance number of times of current described data transmission channel.
Preferably, in described step C, also include：
Step C1, current described bin control unit judge whether described avoidance number of times is more than one first preset times；
If it is not, then described random avoidance number of times is added 1, and exit；
The collision detection number of times of current described data transmission channel is added 1 by step C2, current described bin control unit.
Preferably, current described bin control unit often increases once described keeping away in current described data transmission channel
Allow after number of times, the cycle of corresponding described random avoidance time corresponds to and increases the scheduled time.
Preferably, each described bin control unit is provided which an indicator lamp, in described step C2, also includes：
Whether step C21, current described bin control unit judge described collision detection number of times more than one second preset times；
Described bin control unit as no, current continues executing with collision detection to current described data transmission channel；
Step C22, current described bin control unit form a work indication signal, are controlled by described work indication signal
Described indicator lamp reacts the working condition of presently described bin control unit.
Preferably, in described step S5, current described bin control unit is extremely other in order to broadcast detection messages
Described bin control unit, current described bin control unit starts transmission after having broadcasted described detection messages and interrupts, and
Wait other described bin control units to return response message corresponding with described detection messages to comprise the following steps：
Step D, current described bin control unit are in the described response message receiving other described bin control units transmissions；
Step E, current described bin control unit are parsed to the described response message receiving to obtain the first parsing knot
Really；
Step F, current described bin control unit according to described first analysis result, judge the identity of itself whether with
The identity sending the described bin control unit of described response message is identical；
If so, there is identity and conflict and exit in then current described bin control unit；
Step G, then current described bin control unit close described transmission interruption, and access described administrative unit.
Preferably, current described bin control unit, when broadcasting described detection messages, stops reception other described
The described detection messages that bin control unit sends.
Preferably, when there is not identity conflict in current described bin control unit, current described bin control unit
It is connected by not existing to set up between the described data transmission channel of conflict and described administrative unit.
Preferably, in each the described bin control unit receiving described response message, in order to described response message
Judged, comprised the following steps：
Step H, in receive each described bin control unit of described response message in order to described message is parsed with
Obtain the second analysis result；
Step I, in receiving each described bin control unit of described response message respectively according to described second analysis result
Judge whether described response message belongs to itself；
If so, described response message belongs to the described bin control unit of itself and judges whether to deposit according to described second testing result
In identity conflict, and exit；
Step J, described response message are not belonging to the described bin control unit of itself and judge to be sentenced according to described second analysis result
Whether the described response message that breaks meets forwarding condition；
If so, described response message is not belonging to the described bin control unit of itself and is forwarded described response message；
If it is not, exiting.
Technique scheme has the advantage that or beneficial effect：Realize bin control unit and can detect data transfer
Passage whether there is conflict, and then takes the mode of avoidance to be effectively guaranteed between bin control unit and logistics control system
The data interaction carrying out, and bin control unit by way of wireless connection and administrative unit and logistics control system between
Carry out data signal transmission, overcome the line complexity that in prior art, bin control unit exists, artificial wiring easily causes mistake
Defect by mistake.
Brief description
With reference to appended accompanying drawing, more fully to describe embodiments of the invention.However, appended accompanying drawing be merely to illustrate and
Illustrate, and be not meant to limit the scope of the invention.
Fig. 1 is a kind of flow chart of present invention detection collision method embodiment；
Fig. 2 is in a kind of present invention detection collision method embodiment, with regard to judging whether data transmission channel is converted to idle shape
The flow chart of state；
Fig. 3 is in a kind of present invention detection collision method embodiment, with regard to calculating the random flow chart avoiding number of times；
Fig. 4 is the flow chart in a kind of present invention detection collision method embodiment, with regard to calculating collision detection number of times；
Fig. 5 is in a kind of present invention detection collision method embodiment, conflicts with regard to judging that bin control unit identity whether there is
Flow chart；
Fig. 6 is the flow chart in a kind of present invention detection collision method embodiment, with regard to judging response message.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of not making creative work all its
His embodiment, broadly falls into the scope of protection of the invention.
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combine.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as limiting to the invention.
The present invention includes a kind of detection collision method.
As shown in figure 1, a kind of embodiment of detection collision method, it is applied to sort the detection of bin, wherein,
One administrative unit is provided, is connected with a logistics control system；
There is provided multiple bin control units, each bin control unit is wirelessly connected with administrative unit；
Bin control unit, in order to provide multiple data transmission channels；
As shown in figure 1, detection collision method comprises the following steps：
Step S1, current bin control unit are in order to monitor whether multiple data transmission channels are in idle condition；
As no, then execution step S2；
In this way, then execution step S3；
Step S2, current bin control unit judge whether the data transmission channel being in busy state is converted to idle shape
State；
Step S3, current bin control unit select a data being in idle condition among multiple data transmission channels
Transmission channel is as data is activation channel；
Step S4, current bin control unit judge the data transmission channel of data is activation channel and other bin control units
Whether conflict；
As no, then execution step S5；
In this way, then execution step S6；
Step S5, then current bin control unit is passed through radio access management unit and is exited；
Step S6, current bin control unit calculate the random avoidance time, and after reaching the random avoidance time, return to step
S3.
In technique scheme, logistics control system is as the total system managing all bin control units, administrative unit
Can be used as the gateway of all bin control units, administrative unit is connected with logistics control system using RS485 interface, each bin
Control unit is attached with administrative unit by way of wireless connection using wireless module, so with logistics control system it
Between carry out data interaction；
Wherein each bin control unit, when sending data to administrative unit and logistics control system interacts, needs to select
Suitable data transmission channel is the data is activation frequency range that wireless module provides, but it is multiple to be because that the same period works simultaneously
Bin control unit there may be conflict it is therefore desirable to carrying out detection to data transmission channel and being when selecting data transmission channel
No have conflict, and specific detection mode is as follows, and bin control unit, in order to monitor to all of data transmission channel, is entered
And to the data transmission channel of current bin control unit judge, if be in idle condition；
User optionally at idle condition data transmission channel as data transmitting channel, by data transmitting channel
When being transmitted data, the further detection to data transmitting channel now is needed to judge whether to conflict, if do not deposited
Conflicting, then current bin control unit broadcasts detection messages to other bin control units by data transmitting channel；
If being in conflict situation, taking avoidance mode and calculating the avoidance time, the time that wherein avoids can according to user certainly
Definition setting, such as arrival avoidance time continue to judge whether the data transmitting channel being in avoidance state also has conflict, and
The data transmitting channel being not at passing through during conflict situation now broadcasts detection messages to other bin control units.
In one kind preferably embodiment, in step S1, current bin control unit is according to the intensity of receipt signal
Instruction, judges whether data transmission channel is in idle condition.
In above-mentioned technical side, the working frequency range that the wireless sending module of bin control unit employing is in is 433MHz, its
If the person's of presence identical channel between the data transmission channel of middle selection, can be interfered between signal and in turn result in data no
Method send it is therefore desirable to the working channel that operationally selects in each bin control unit and data transmission channel from each other
There is not conflict；
Wherein, receive channel intensity instruction higher then it represents that the interference receiving is stronger；
The contrary intensity instruction receiving channel lower then it represents that the interference receiving is lower.
In one kind preferably embodiment, in step S4, current bin control unit, when broadcasting detection messages, is stopped
Only receive the detection messages that other bin control units send.
In technique scheme, each bin control unit, when broadcasting detection messages, is in stopping reception other
The detection messages that bin control unit sends.
In one kind preferably embodiment, as shown in Fig. 2 in step S2, judging the data transfer letter of busy state
The method whether road is converted to idle condition includes：
A, current bin control unit judge whether the current data transmission channel selecting is idle；
If so, then execution step B；
If it is not, then execution step C；
Step B, bin control unit calculate the random avoidance time, and after reaching the random avoidance time, and continue to judge currently
Data transmission channel whether there is conflict；
As no, then execution step S3；
In this way, continue executing with step B；
Step C, current bin control unit calculate the random avoidance number of times of current data transmission channel.
In technique scheme, the data transmission channel of busy state represent before data transmission channel in other
There is conflict between data transmission channel, select in the data transmission channel of busy state in current bin control unit
One data transmission channel after judging that the data transmission channel now selecting is in non conflicting state, current bin controls single
Unit needs to confirm that data transmission channel now is in non conflicting state again, therefore can select again to avoid at random, and
If data transmission channel now is still in non conflicting state after reaching the random avoidance time, current bin control unit
Select this data transmission channel broadcasting packet, or carry out data interaction and logistics control system between；
If bin control unit detection data now sheerly appoint and be so in conflict device, bin control unit now by channel
The random number of times avoiding of record.
In one kind preferably embodiment, as shown in figure 3, in step C, also including：
Step C1, current bin control unit judge to avoid whether number of times is more than one first preset times；
If it is not, then number of times will be avoided at random to add 1, and exit；
The collision detection number of times of current data transmission channel is added 1 by step C2, current bin control unit.
In technique scheme, often select once random avoidance all can increase once random avoidance time in bin control unit
Number, if the avoidance number of times of statistics exceedes default first preset times, the first preset times therein can be according to user according to reality
The self-defined setting of border demand, then the conflict number of current data transmission channel is added 1 by current bin control unit.
In one kind preferably embodiment, current bin control unit often increases by one in current data transmission channel
After secondary avoidance number of times, the corresponding increase scheduled time in cycle of corresponding random avoidance time.
In technique scheme, the data transmission channel that each bin control unit selects at it has conflict often increases by one
After secondary random avoidance number of times, it avoids the time cycle corresponding increase scheduled time accordingly at random；
For example the random avoidance time is 0-5 millisecond for the first time, then increase after once avoiding number of times at random, it avoids accordingly at random
Time increases for 0-10 millisecond by that analogy.
In one kind preferably embodiment, each bin control unit is provided which an indicator lamp, as shown in figure 4, step
In C2, also include：
Whether step C21, current bin control unit judge collision detection number of times more than one second preset times；
Bin control unit as no, current continues executing with collision detection to current data transmission channel；
Step C22, current bin control unit form a work indication signal, control indicator lamp anti-by the indication signal that works
Should before bin control unit working condition.
In technique scheme, each bin control unit is provided with a signal lamp, bin control unit goes out
Existing conflict now more than during second preset times generate one work indication signal with control signal indicator lamp enter line flicker or
The form of the person Chang Liang state poor to represent wireless signal that current bin control unit is in.
In one kind preferably embodiment, in above-mentioned steps S5, current bin control unit is in order to broadcast a detection
To other bin control units, current bin control unit starts transmission after having broadcasted detection messages and interrupts message, and
Other bin control units are waited to return response message corresponding with detection messages, as shown in figure 5, comprising the following steps：
Step D, current bin control unit are in the response message receiving other bin control units transmissions；
Step E, current bin control unit are parsed to the response message receiving to obtain the first analysis result；
Step F, current bin control unit, according to the first analysis result, judge whether the identity of itself responds with sending
The identity of the bin control unit of message is identical；
There is identity and conflict and exit in if so, then current bin control unit；
Step G, then current bin control unit are closed to send and are interrupted, and access-in management unit.
In one kind preferably embodiment, current bin control unit, when broadcasting detection messages, stops receiving it
The detection messages that its bin control unit sends.
In technique scheme, current bin control unit, after broadcast detection messages, waits other bins to control
Unit is responded, if current bin control unit is after receiving the response message that other bin control units send,
Response message is parsed according to the first analysis result obtaining, in order to judge in the identity of itself and analysis result
Whether identity sign is identical if the same to represent that current bin control unit has identity conflict, therefore can not continue to make
With；
If differing, current bin control unit, close to send and interrupt.
In one kind preferably embodiment, when there is not identity conflict in current bin control unit, current bin
Control unit is connected by not existing to set up between the data transmission channel of conflict and administrative unit.
In technique scheme, if there is not identity conflict in the detection of current bin control unit, current bin control
Unit processed can pass through radio access management unit, and then carries out data interaction and logistics control system between.
In one kind preferably embodiment, in each the bin control unit receiving response message, in order to response
Message is judged, as shown in fig. 6, comprising the following steps：
Step H, in receiving each bin control unit of response message in order to be parsed message to obtain the second parsing
Result；
Step I, respectively response message is judged according to the second analysis result in each the bin control unit receiving response message
Whether belong to itself；
If so, response message belongs to the bin control unit of itself and judges whether identity conflict according to the second testing result,
And exit；
Step J, response message are not belonging to the bin control unit of itself and judge to judge that response message is according to the second analysis result
No meet forwarding condition；
If so, response message is not belonging to the bin control unit of itself and is forwarded response message；
If it is not, exiting.
In technique scheme, after broadcast detection messages, other bin control units are according to inspection for bin control unit
Observe and predict literary composition and carry out response concurrent and send response message, the form that the mode of wherein response message is also based on broadcasting sends, therefore often
Individual bin control unit is parsed to the response message accepting to obtain the second analysis result, and then judges the response receiving
Whether message belongs to itself, if being not belonging to itself, judges whether current response message meets forwarding condition, if
Meet and then message is forwarded；
If response message belongs to itself, continue to judge that the identity in the response message receiving controls list with current bin
Whether the identity sign of unit is identical, such as identical, judges that current bin control unit has conflict.In the present invention it should be pointed out that
Be that each bin control unit also has frequency hopping function.
The foregoing is only preferred embodiments of the present invention, not thereby limit embodiments of the present invention and protection model
Enclose, to those skilled in the art it should can appreciate that done by all utilization description of the invention and diagramatic content
Scheme obtained by equivalent and obvious change, all should be included in protection scope of the present invention.
Claims (10)
1. a kind of detection collision method, be applied to sort the detection of bin it is characterised in that
One administrative unit is provided, is connected with a logistics control system；
There is provided multiple bin control units, each described bin control unit is wirelessly with described administrative unit even
Connect；
Described bin control unit, in order to provide multiple data transmission channels；
Described detection collision method comprises the following steps：
Step S1, current described bin control unit are in order to monitor whether multiple described data transmission channels are in idle shape
State；
As no, then execution step S2；
In this way, then execution step S3；
Step S2, current described bin control unit judge whether the described data transmission channel being in busy state is changed
For idle condition；
Step S3, current described bin control unit select one among multiple described data transmission channels and are in idle shape
The described data transmission channel of state is as data is activation channel；
Step S4, current described bin control unit judge described data is activation channel and other described bin control units
Whether described data transmission channel conflicts；
As no, then execution step S5；
In this way, then execution step S6；
Step S5, then current described bin control unit are passed through administrative unit described in wireless access and are exited；
Step S6, current described bin control unit calculate the random avoidance time, and after reaching the described random avoidance time,
Return to step S3.
2. detection collision method according to claim 1 is it is characterised in that in described step S1, current described bin
Control unit indicates according to the intensity of receipt signal, judges whether described data transmission channel is in idle condition.
3. detection collision method according to claim 1 is it is characterised in that in described step S2, judge described busy
The method whether described data transmission channel of state is converted to idle condition includes：
A, current described bin control unit judge whether the current described data transmission channel selecting is idle；
If so, then execution step B；
If it is not, then execution step C；
Step B, described bin control unit calculate the described random avoidance time, and after reaching the described random avoidance time, and
Continue to judge that current described data transmission channel whether there is conflict；
As no, then execution step S3；
In this way, continue executing with step B；
Step C, current described bin control unit calculate the random avoidance number of times of current described data transmission channel.
4. detection collision method according to claim 3 is it is characterised in that in described step C, also include：
Step C1, current described bin control unit judge whether described avoidance number of times is more than one first preset times；
If it is not, then described random avoidance number of times is added 1, and exit；
The collision detection number of times of current described data transmission channel is added 1 by step C2, current described bin control unit.
5. detection collision method according to claim 4 is it is characterised in that current described bin control unit is current
Described data transmission channel often increase once described avoidance number of times after, cycle of corresponding described random avoidance time is corresponding to be increased
Plus the scheduled time.
6. detection collision method according to claim 4 is it is characterised in that each described bin control unit is provided which one
Indicator lamp, in described step C2, also includes：
Whether step C21, current described bin control unit judge described collision detection number of times more than one second preset times；
Described bin control unit as no, current continues executing with collision detection to current described data transmission channel；
Step C22, current described bin control unit form a work indication signal, are controlled by described work indication signal
Described indicator lamp reacts the working condition of presently described bin control unit.
7. detection collision method according to claim 1 is it is characterised in that in described step S5, current described bin
, in order to broadcast detection messages to other described bin control units, current described bin control unit is in wide for control unit
Start to send after finishing described detection messages and interrupt, and wait other described bin control units to return and described detection messages
Corresponding response message, further comprising the steps of：
Step D, current described bin control unit are in the described response message receiving other described bin control units transmissions；
Step E, current described bin control unit are parsed to the described response message receiving to obtain the first parsing knot
Really；
Step F, current described bin control unit according to described first analysis result, judge the identity of itself whether with
The identity sending the described bin control unit of described response message is identical；
If so, there is identity and conflict and exit in then current described bin control unit；
Step G, the then current described bin control unit described transmission of closing are interrupted and are accessed described administrative unit.
8. detection collision method according to claim 7 is it is characterised in that current described bin control unit is in broadcast
During described detection messages, stop receiving the described detection messages that other described bin control units send.
9. detection collision method according to claim 7 is not it is characterised in that current described bin control unit exists
During identity conflict, the described data transmission channel that current described bin control unit passes through not existing conflict is single with described management
Set up between unit and connect.
10. according to claim 7 detection collision method it is characterised in that in receive described response message each
Described bin control unit, in order to judge to described response message, comprises the following steps：
Step H, in receive each described bin control unit of described response message in order to described message is parsed with
Obtain the second analysis result；
Step I, in receiving each described bin control unit of described response message respectively according to described second analysis result
Judge whether described response message belongs to itself；
If so, described response message belongs to the described bin control unit of itself and judges whether to deposit according to described second testing result
In identity conflict, and exit；
Step J, described response message are not belonging to the described bin control unit of itself and judge to be sentenced according to described second analysis result
Whether the described response message that breaks meets forwarding condition；
If so, described response message is not belonging to the described bin control unit of itself and is forwarded described response message；
If it is not, exiting.
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| CN110090802A (en) * | 2018-01-29 | 2019-08-06 | 北京京东尚科信息技术有限公司 | A kind of method and apparatus generating bin distribution information |
| CN110909903A (en) * | 2018-09-14 | 2020-03-24 | 北京京东尚科信息技术有限公司 | Method and device for selecting pouring grid opening by sorting center |
| CN112312584A (en) * | 2020-07-31 | 2021-02-02 | 利尔达科技集团股份有限公司 | Channel conflict avoiding method in Bluetooth mesh network |
| CN114124690A (en) * | 2021-08-30 | 2022-03-01 | 济南浪潮数据技术有限公司 | Alarm configuration method, system and related device for data center |
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