CN109858791A

CN109858791A - A kind of stream flow method and system

Info

Publication number: CN109858791A
Application number: CN201910061413.3A
Authority: CN
Inventors: 陶保荣; 罗修敏; 雷云波
Original assignee: Jiangxi Yinhe Meter Co Ltd
Current assignee: Jiangxi Yinhe Meter Co Ltd
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2019-06-07
Anticipated expiration: 2039-01-23
Also published as: CN109858791B

Abstract

The invention discloses a kind of stream flow method and system, storehouse management terminates sequence materials plan of knocking off, obtain material requirement order, generate material picking list and material stations demand point information, material stations demand point information is sent to AGV dispatching terminal, the write-in of material picking list has been picked in the RFID label tag to outbound material prepared；AGV dispatching terminal receives material stations demand point information, cooks up used time shortest travel path, travel path is sent to AGV；AGV reads RFID label tag, obtains material information, material information and AGV are bound, and walk according to travel path, until reaching material stations demand point；RFID label tag is read at storehouse management end, to acknowledge receipt of material；The present invention is by realizing raw material, semi-finished product, the materials such as finished product from warehouse, flowing and to the real-time tracing and record on line, to realize the in/out library intelligent management of the materials such as raw material, semi-finished product, finished product, to improve the quality and intelligence degree of logistics.

Description

A kind of stream flow method and system

Technical field

The present invention relates to ammeter manufacturing field, in particular to a kind of stream flow method and system.

Background technique

Logistics refers to the raw material that will be purchased and components storage, keeping and outbound in factory.The product produced Or commodity transport to logistics center, in the factory or warehouse of other factories.Logistics center, this of factory position warehouse enter product The a series of product flowing such as library, keeping and outbound is known as logistics in factory, and logistics further includes in logistics center and factory in factory Warehouse carries out transportation and packing, circulation and process etc..Logistics system is related to the production plan, process flow of full factory, carries in entire factory The various aspects such as operation, storehouse management, information system.It require reasonable arrangement material carry route, freight volume, method for carrying and Equipment, storage location, operating personnel etc. improve logistics quality and reduce logistics cost to accelerate logistics speed.

It is right when logistics all use on line just for materiel warehouse-out and material when data tracing in existing factory Real-time tracing and record are not carried out in the flow process of material, are unfavorable for the intelligent management of material.

Summary of the invention

The technical problems to be solved by the present invention are: a kind of stream flow method and system are provided, it can be to the stream of material Dynamic process carries out real-time tracing and record.

In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:

A kind of stream flow method, comprising steps of

S1, storehouse management terminate sequence materials plan of knocking off, and obtain material requirement order, generate material picking list and material The material stations demand point information is sent to AGV dispatching terminal by station demand point information, by material picking list write-in It picks in the RFID label tag to outbound material prepared；

S2, AGV dispatching terminal receive the material stations demand point information, used time shortest travel path are cooked up, by institute It states travel path and is sent to AGV；

S3, AGV read the RFID label tag, obtain material information, the material information and the AGV are bound, And walk according to the travel path, until reaching material stations demand point；

The RFID label tag is read at S4, storehouse management end, is obtained material information, is acknowledged receipt of material.

In order to solve the above-mentioned technical problem, the another technical solution that the present invention uses are as follows:

A kind of stream flow system, including storehouse management end, AGV dispatching terminal and AGV, the storehouse management end include the One memory, first processor and storage are on the first memory and the first computer journey that can run on first processor Sequence, the AGV dispatching terminal include second memory, second processor and are stored on second memory and can be in second processor The second computer program of upper operation, the AGV include third memory, third processor and are stored on third memory simultaneously The third computer program that can be run on third processor, the first processor execute real when first computer program Existing following steps:

S1, the plan of process materials is received, obtains material requirement order, generate material picking list and material stations demand point The material stations demand point information is sent to AGV dispatching terminal by information, by the material picking list write-in picked prepare to In the RFID label tag of outbound material；

S4, the RFID label tag is read, obtains material information, acknowledges receipt of material；

The second processor performs the steps of when executing the second computer program

S2, the material stations demand point information is received, used time shortest travel path is cooked up, by the travel path It is sent to AGV；

The third processor performs the steps of when executing the third computer program

S3, the RFID label tag is read, obtains material information, the material information and the AGV is bound, and presses It walks according to the travel path, until reaching material stations demand point.

The beneficial effects of the present invention are: material picking list is write at a kind of stream flow method and system, storehouse management end Enter and has picked in the RFID label tag to outbound material prepared, the reading and binding by AGV to RFID label tag, to realize former material The materials such as material, semi-finished product, finished product are from warehouse, flowing and to the real-time tracing and record on line, to realize raw material, half The in/out library intelligent management of the materials such as finished product, finished product, to improve the quality and intelligence degree of logistics.

Detailed description of the invention

Fig. 1 is a kind of flow diagram of stream flow method of the embodiment of the present invention；

Fig. 2 is a kind of structural schematic diagram of stream flow system of the embodiment of the present invention.

Label declaration:

1, a kind of stream flow system；2, storehouse management end；3, first processor；4, first memory；5, AGV is dispatched End；6, second processor；7, second memory；8,AGV；9, third processor；10, third memory.

Specific embodiment

To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached Figure is explained.

The most critical design of the present invention is: storehouse management end by material picking list write-in picked prepare to outbound material RFID label tag in, reading and binding by AGV to RFID label tag, to realize the materials such as raw material, semi-finished product, finished product from storehouse Library, flowing and to the real-time tracing and record on line.

Before this, technical solution to facilitate the understanding of the present invention, for english abbreviation involved in the present invention, equipment Etc. being described as follows:

(1), AGV: being the abbreviation of Automated Guided Vehicle, means that automated guided vehicle, AGV are equipments There is electricity magnetically or optically to wait homing guidances device, can be travelled along defined guide path, there is safeguard protection and various transfers The transport vehicle of function.

Please refer to Fig. 1, a kind of stream flow method, comprising steps of

As can be seen from the above description, the beneficial effects of the present invention are: storehouse management end, which has picked the write-in of material picking list, matches In the good RFID label tag to outbound material, reading and binding by AGV to RFID label tag, with realize raw material, semi-finished product, The materials such as finished product are from warehouse, flowing and to the real-time tracing and record on line, to realize raw material, semi-finished product, finished product The in/out library intelligent management of equal materials, to improve the quality and intelligence degree of logistics.

Further, the step S1 can be replaced: storehouse management terminates sequence materials plan of knocking off, and obtains material requirement and orders It is single, material picking list and material stations demand point information are generated, the material stations demand point information is sent to AGV scheduling End；

The step S2 further include: by the material transport information including the AGV and the travel path to warehouse Management end；

It is further comprised the steps of: between the step S2 and the step S3

The material picking list, the travel path are written in the RFID label tag of the AGV by S30, storehouse management end；

The step S3 replacement are as follows: AGV walks according to the travel path in the RFID label tag, until reaching Material stations demand point.

As can be seen from the above description, in the technical scheme, RFID label tag is mounted on AGV, the material for needing to convey is believed Breath is written to the RFID label tag of corresponding A GV, and warehouseman knows the object that the AGV needs to transport by scanning RFID label tag Material, which is placed on the AGV, and AGV needs the material transportation to material stations according to the travel path in RFID label tag Ask a little, station operating personnel knows the specifying information of the material by scanning RFID label tag, thus realize raw material, half at The materials such as product, finished product are from warehouse, flowing and to the real-time tracing and record on line.

Further, the step S1 further include: storehouse management end according to preset time generate production auxiliary materials picking list with And production auxiliary materials station demand point information, the production auxiliary materials include adhesive tape, tin cream or roll band；

The step S3 further include: the material quantity and number of rounds of AGV record transport.

As can be seen from the above description, being pressed since adhesive tape, tin cream or the use for rolling the production auxiliary materials such as band have certain regularity Carrying out dispatching according to the service life amount in certain time can more can carry out rationally and in the case where more idle timely Supplement, the reasonability for being conducive to whole logistics utilize, and improve logistic efficiency；Material quantity and number of rounds are recorded, with convenient Material information and logistics information are inquired at any time.

Further, the step S2 specifically:

S21, AGV dispatching terminal receive the material stations demand point information, acquisition be in idle condition and according to before library The distance of pipeline is from closely to the AGV list being far arranged successively, and pipeline is to place to have picked to prepare to outbound material before the library Storage position；

The planning of S22, AGV dispatching terminal is located at the first the first AGV in the AGV list and returns to the first pre- of pipeline before library If playback path, the first AGV is calculated according to the described first default playback path and AGV speed and returns to pipeline before library The first default playback time, judge whether there are other AGV to preset by described first within the described first default playback time Playback path, if without other AGV by the described first default playback path within the first default playback time, assign including The playback instruction in the described first default playback path；

S23, the first AGV receive the playback instruction, and path of playbacking is preset according to described first and returns to pipeline before library；

S24, AGV dispatching terminal are planned during pipeline before the first AGV returns to library from pipeline before the library To the first default transport path of the material stations demand point, calculated according to the described first default transport path and AGV speed First default time of delivery of the first AGV from pipeline before the library to the material stations demand point is obtained, is judged Whether there are other AGV by the described first default transport path in first default time of delivery, if in the first default time of delivery It is interior to pass through the described first default transport path without other AGV, then using the described first default transport path as travel path.

As can be seen from the above description, since the time of AGV dispatching terminal planning path is significantly shorter than the travel time of AGV, so It is obtained by calculation and then judges whether the walking path of the AGV can collide with other AGV apart from shortest AGV, do not having In the case where colliding, select apart from shortest AGV return to library before pipeline travel time be it is shortest, similarly, choosing Select the travel time of pipeline to the material stations demand point before library described in shortest AGV be also it is most short, to save Haulage time guarantees the conevying efficiency of AGV.

Further, the step S22 specifically:

The planning of S221, AGV dispatching terminal is located at first that the first the first AGV in the AGV list returns to pipeline before library Default playback path is calculated before the first AGV returns to library and conveys according to the described first default playback path and AGV speed The default playback time of the first of line judges whether have other AGV pre- by described first within the described first default playback time If playbacking path, if assigning packet by the described first default playback path without other AGV within the first default playback time Include the playback instruction in the described first default playback path；

If S222, there are other AGV by the described first default playback path within the first default playback time, other are obtained The playback engaged position and playback holding time section that AGV is stopped on the first default playback path, judge the first AGV according to When the first default playback path walking, if in the excessively described playback engaged position of playback holding time section back warp, if described First AGV is without the playback engaged position in the playback holding time section, then the first AGV is that the used time is most short AGV, Xiang Suoshu used time most short AGV assign the playback instruction including the described first default playback path；

If S223, the first AGV calculate institute in the excessively described playback engaged position of playback holding time section back warp It states the first AGV to conflict the time with playback of other the described AGV on the playback engaged position, the playback conflict time is added To the described first default playback time to obtain for the first practical playback time；

The planning of S224, AGV dispatching terminal, which is located in the AGV list, returns to pipeline before library in deputy 2nd AGV The second default playback path, to obtain for the second default playback time, planning is located in the AGV list the in third position Three AGV return to the default playback path of third of pipeline before library, to obtain third default playback time, planning the first AGV The first alternative default playback path of pipeline before library is returned to, to obtain for the first alternative default playback time；

S225, AGV dispatching terminal successively calculate the second practical playback according to the step 221, step 222 and step S223 Time, third practical playback time and the first alternative practical playback time, according to the described first practical playback time, described the Two practical playback times, the third practical playback time and the first alternative practical playback time obtain time value minimum Used time most short AGV, Xiang Suoshu used time most short AGV assign playback instruction；

The step S24 specifically:

During pipeline before the first AGV returns to library, planning conveys S241, AGV dispatching terminal before the library Line to the material stations demand point the first default transport path, according to the described first default transport path and AGV speed meter Calculation obtains first default time of delivery of the first AGV from pipeline before the library to the material stations demand point, judges Whether there are other AGV by the described first default transport path in the first default time of delivery, if in the first default conveying It is interior to pass through the described first default transport path without other AGV, then using the described first default transport path as travel path；

If S242, there are other AGV by the described first default transport path in the first default time of delivery, other are obtained The conveying engaged position and conveying holding time section that AGV is stopped on the first default transport path, judge the used time most short AGV When walking according to the first default transport path, if in the excessively described conveying engaged position of conveying holding time section back warp, if The used time most short AGV without the conveying engaged position, is then preset in the conveying holding time section by described first Transport path is as travel path；

If S243, the used time most short AGV are counted in the excessively described conveying engaged position of conveying holding time section back warp It calculates the used time most short AGV to conflict the time with conveying of other the described AGV on the conveying engaged position, the conveying is rushed The prominent time adds to the described first default time of delivery to obtain for the first actual fed time；

S244, AGV dispatching terminal plan the used time most short AGV from pipeline before the library to the material stations demand point First alternatively alternatively default transport path and third alternatively preset transport path for default transport path, second, to obtain the One alternatively presets time of delivery, second, and alternatively default time of delivery and third alternatively preset time of delivery；

S245, AGV dispatching terminal successively calculate the first alternative reality according to the step 241, step 242 and step S243 Time of delivery, the second alternative actual fed time and third alternative actual fed time, when according to first actual fed Between, the first alternative actual fed time, the second alternative actual fed time and the alternative actual fed of the third Time obtains time value the smallest used time most short transport path, using the used time most short transport path as travel path.

As can be seen from the above description, if the most short AGV of distance can be sent out before returning to library in pipeline preset path with other AGV Raw collision, then the most short AGV needs of distance wait for a period of time, so having apart from the time that most short AGV trolley actually needs can It can not be optimal selection, at this point, selection distance second is AGV short, secondary routing diameter apart from the short AGV of third and the most short AGV of distance Again it is planned, the actual needs time in each path in same available each AGV, selects minimum value therein to carry out defeated It send, to save haulage time as far as possible, guarantees the conevying efficiency of AGV.

As shown in Fig. 2, a kind of stream flow system, including storehouse management end, AGV dispatching terminal and AGV, the warehouse pipe Reason end include first memory, first processor and storage on the first memory and can be run on first processor first Computer program, the AGV dispatching terminal include second memory, second processor and are stored on second memory and can be The second computer program run on two processors, the AGV include third memory, third processor and are stored in third and deposit On reservoir and the third computer program that can run on third processor, the first processor execute first computer It is performed the steps of when program

Between the step S2 and the step S3, the first processor is realized when executing first computer program Following steps:

S21, the material picking list, the travel path are written in the RFID label tag of the AGV；

The step S3 replacement are as follows: walk according to the travel path in the RFID label tag, until reaching object Expect station demand point.

Further, it is also wrapped when realizing the step S1 when first processor executes first computer program It includes: generating production auxiliary materials picking list according to preset time and production auxiliary materials station demand point information, the production auxiliary materials include Adhesive tape, tin cream roll band；

When the third processor realizes the step S3 when executing the third computer program further include: record transport Material quantity and number of rounds.

Further, it is realized when the second processor executes the second computer program specific when the step S2 Are as follows:

S21, receive the material stations demand point information, obtain be in idle condition and according to before library pipeline away from From from closely to the AGV list being far arranged successively, pipeline is to place to have picked the storage position prepared to outbound material before the library；

S22, planning are located at the first default playback road that the first AGV the first in the AGV list returns to pipeline before library Diameter is calculated the first AGV according to the described first default playback path and AGV speed and returns to the first pre- of pipeline before library If playbacking the time, judge whether there are other AGV to preset playback path by described first within the described first default playback time, If being assigned by the described first default playback path including described first within the first default playback time without other AGV The playback instruction in default playback path；

S24, during pipeline before the first AGV returns to library, plan from pipeline before the library to the object The the first default transport path for expecting station demand point is calculated described according to the described first default transport path and AGV speed First default time of delivery of first AGV from pipeline before the library to the material stations demand point judges default first Whether there are other AGV by the described first default transport path in time of delivery, if without it in the first default time of delivery His AGV passes through the described first default transport path, then using the described first default transport path as travel path；

The third processor also performs the steps of when executing the third computer program

S23, the first AGV receive the playback instruction, and path of playbacking is preset according to described first and returns to pipeline before library.

Further, it is realized when the second processor executes the second computer program specific when the step S22 Are as follows:

S221, planning are located at the first default playback road that the first AGV the first in the AGV list returns to pipeline before library Diameter is calculated the first AGV according to the described first default playback path and AGV speed and returns to the first pre- of pipeline before library If playbacking the time, judge whether there are other AGV to preset playback path by described first within the described first default playback time, If being assigned by the described first default playback path including described first within the first default playback time without other AGV The playback instruction in default playback path；

S224, planning, which are located in the AGV list, returns to the second default of pipeline before library in deputy 2nd AGV Playback path, to obtain for the second default playback time, the 3rd AGV that planning is in third position in the AGV list is returned to It is planned defeated before the first AGV returns to library with obtaining the third default playback time in the default playback path of the third of pipeline before library The alternative default playback path of the first of line sending, to obtain for the first alternative default playback time；

S225, successively calculated for the second practical playback time, third according to the step 221, step 222 and step S223 Practical playback time and the first alternative practical playback time, actually returned according to the described first practical playback time, described second Position time, the third practical playback time and the first alternative practical playback time obtain the time value the smallest used time most Short AGV, Xiang Suoshu used time most short AGV assign playback instruction；

When the second processor realizes the step S24 when executing the second computer program specifically:

S241, during pipeline before the first AGV returns to library, plan from pipeline before the library to the object The the first default transport path for expecting station demand point is calculated described according to the described first default transport path and AGV speed First default time of delivery of first AGV from pipeline before the library to the material stations demand point judges default first Whether there are other AGV by the described first default transport path in time of delivery, if without it in the first default time of delivery His AGV passes through the described first default transport path, then using the described first default transport path as travel path；

S244, the planning used time most short AGV are first standby from pipeline before the library to the material stations demand point Selecting default transport path, second, alternatively default transport path and third alternatively preset transport path, alternative pre- to obtain first If alternatively default time of delivery and third alternatively preset time of delivery for time of delivery, second；

S245, successively calculated according to the step 241, step 242 and step S243 the first alternative actual fed time, Second alternative actual fed time and third alternative actual fed time, according to the first actual fed time, described When one alternative actual fed time, the second alternative actual fed time and the third alternative actual fed time obtain Between be worth most short transport path of the smallest used time, using the used time most short transport path as travel path.

Please refer to Fig. 1, the embodiment of the present invention one are as follows:

A kind of stream flow method, comprising steps of

S1, storehouse management terminate sequence materials plan of knocking off, and obtain material requirement order, generate material picking list and material Material stations demand point information is sent to AGV dispatching terminal by station demand point information, and the write-in of material picking list has been picked and has been prepared In RFID label tag to outbound material；

S2, AGV dispatching terminal receive material stations demand point information, used time shortest travel path are cooked up, by road of advancing Diameter is sent to AGV；

S3, AGV read RFID label tag, obtain material information, material information and AGV are bound, and according to traveling road Diameter is walked, until reaching material stations demand point；

RFID label tag is read at S4, storehouse management end, is obtained material information, is acknowledged receipt of material.

Wherein, step S1 further include: storehouse management end generates production auxiliary materials picking list according to preset time and production is auxiliary Expect station demand point information, production auxiliary materials includes adhesive tape, tin cream or rolls band；

Step S3 further include: the material quantity and number of rounds of AGV record transport.

In the present embodiment, due to some materials and it is indirect arrive material stations demand point, so need first to judge wait go out The outbound type of library material, then according to above-mentioned steps, carries RFID label tag directly to object by AGV if type of directly arriving at a station Expect station demand point, by material stations demand point return outbound information to storehouse management end；Type is kept in if line side library, then RFID label tag is carried by AGV and is first transported to line side library, then RFID label tag is carried by AGV and is transported from line side library to material stations demand Point, by material stations demand point return outbound information to storehouse management end；If library type is moved, then RFID mark is carried by AGV Label are first transported to line side library, and the return of line side library has moved library information and given storehouse management end.

Please refer to Fig. 1, the embodiment of the present invention two are as follows:

A kind of stream flow method, comprising steps of

S1, storehouse management terminate sequence materials plan of knocking off, and obtain material requirement order, generate material picking list and material Material stations demand point information is sent to AGV dispatching terminal by station demand point information；

S2, AGV dispatching terminal receive material stations demand point information, used time shortest travel path are cooked up, by road of advancing Diameter is sent to AGV, by the material transport information including AGV and travel path to storehouse management end；

Material picking list, travel path are written in the RFID label tag of AGV by S30, storehouse management end；

S3, AGV walk according to the travel path in RFID label tag, until reaching material stations demand point.

I.e. in the present embodiment, RFID label tag is mounted on AGV.

Please refer to Fig. 1, the embodiment of the present invention three are as follows:

A kind of stream flow method, on the basis of the above embodiment 1, step S2 specifically:

S21, AGV dispatching terminal receive material stations demand point information, acquisition be in idle condition and according to conveyed before library The distance of line is from closely to the AGV list being far arranged successively, and pipeline is to place to have picked the storage position prepared to outbound material before library It sets；

The planning of S22, AGV dispatching terminal, which is located at the first the first AGV in AGV list and returns to first of pipeline before library, default returns Position path is calculated the first AGV according to the first default playback path and AGV speed and returns to first of pipeline before library and default returns The position time judges whether have other AGV by the first default playback path within the first default playback time, if default first It then assigns and refers to including the first default playback for playbacking path by the first default playback path without other AGV in the playback time It enables；

S23, the first AGV receive playback instruction, and path of playbacking is preset according to first and returns to pipeline before library；

S24, AGV dispatching terminal during pipeline before the first AGV returns to library, planning before library pipeline to material work First default transport path of position demand point, is calculated the first AGV before library according to the first default transport path and AGV speed Pipeline judges whether there is other in the first default time of delivery to the first default time of delivery of material stations demand point AGV passes through the first default transport path, if passing through the first default conveying path without other AGV in the first default time of delivery Diameter, then using the first default transport path as travel path.

Wherein, step S22 specifically:

The planning of S221, AGV dispatching terminal is located at the first the first AGV in AGV list and returns to the first default of pipeline before library It playbacks path, the first AGV is calculated according to the first default playback path and AGV speed and returns to the first default of pipeline before library It playbacks the time, judges whether have other AGV by the first default playback path within the first default playback time, if pre- first If then assigning the playback including the first default playback path without other AGV by the first default playback path in the time of playbacking Instruction；

If S222, there are other AGV by the first default playback path within the first default playback time, other AGV are obtained The playback engaged position and playback holding time section stopped on the first default playback path, judges that the first AGV is pre- according to first If path of playbacking is walked, if playback engaged position is crossed in playback holding time section back warp, if the first AGV is when playbacking occupancy Between in section without playback engaged position, then the first AGV is used time most short AGV, is assigned to used time most short AGV default including first The playback instruction in playback path；

If S223, the first AGV cross playback engaged position in playback holding time section back warp, the first AGV and other are calculated Playback of the AGV on playback engaged position conflicts the time, will add to for the first default playback time the playback conflict time to obtain the One practical playback time；

The planning of S224, AGV dispatching terminal, which is located in AGV list, returns to the of pipeline before library in deputy 2nd AGV Two default playback paths, to obtain for the second default playback time, planning is located at the 3rd AGV in AGV list in third position and returns The default playback path of the third of pipeline before to library, to obtain the third default playback time, the first AGV of planning is conveyed before returning to library The alternative default playback path of the first of line, to obtain for the first alternative default playback time；

When S225, AGV dispatching terminal successively calculate the second practical playback according to step 221, step 222 and step S223 Between, third practical playback time and the first alternative practical playback time, practical playbacked according to the first practical playback time, second The alternative practical playback time of time, third practical playback time and first obtains time value the smallest used time most short AGV, Xiang Yong When most short AGV assign playback instruction；

Wherein, step S24 specifically:

S241, AGV dispatching terminal during pipeline before the first AGV returns to library, planning before library pipeline to material The first AGV is calculated from library according to the first default transport path and AGV speed in the default transport path of the first of station demand point Preceding pipeline judges whether there is other in the first default time of delivery to the first default time of delivery of material stations demand point AGV passes through the first default transport path, if passing through the first default conveying path without other AGV in the first default time of delivery Diameter, then using the first default transport path as travel path；

If S242, there are other AGV by the first default transport path in the first default time of delivery, other AGV are obtained The conveying engaged position that stops on the first default transport path and conveying holding time section judge used time most short AGV according to the When one default transport path is walked, if conveying engaged position is crossed in conveying holding time section back warp, if the used time, most short AGV was defeated It send without conveying engaged position in holding time section, then using the first default transport path as travel path；

If S243, used time most short AGV cross conveying engaged position in conveying holding time section back warp, it is most short to calculate the used time AGV conflicts the time with conveying of other AGV on conveying engaged position, and the conveying conflict time is added to the first default time of delivery To obtain for the first actual fed time；

S244, AGV dispatching terminal plan used time most short AGV before library pipeline to the first alternative pre- of material stations demand point If alternatively default transport path and third alternatively preset transport path for transport path, second, with obtain first alternatively preset it is defeated Sending time, second, alternatively default time of delivery and third alternatively preset time of delivery；

S245, AGV dispatching terminal successively calculate the first alternative actual fed according to step 241, step 242 and step S243 Time, the second alternative actual fed time and third alternative actual fed time, according to the first actual fed time, first standby Actual fed time, the second alternative actual fed time and third alternative actual fed time is selected to obtain the smallest use of time value When most short transport path, using used time most short transport path as travel path.

Please refer to Fig. 1, the embodiment of the present invention four are as follows:

A kind of stream flow method, comprising steps of

S1, first terminal receive material dispensing application and material allocation setting, and material dispensing application includes bill of materials, Material allocation setting includes landing pier and final position, and material allocation setting is sent to AGV dispatching terminal；

Wherein landing pier is intermediate docking position, and multiple landing piers can be arranged according to actual needs；

S2, AGV dispatching terminal receive material allocation setting, cook up used time shortest travel path, travel path is sent To AGV, by the material transport information including AGV and travel path to storehouse management end；

Bill of materials, travel path are written in the RFID label tag of AGV by S30, storehouse management end, by travel path and AGV is back to first terminal；

At this point, first terminal receives travel path and AGV, the real-time of AGV can be monitored by the APP on first terminal Operating status, position, parameter and track；

S3, AGV walk according to the travel path in RFID label tag, until reaching material stations demand point；

RFID label tag is read at S4, storehouse management end, is obtained material information, is acknowledged receipt of material；

S5, the 2nd end APP receive unloading and information are completed, and return to unloading and information is completed to first terminal；

I.e. first terminal can receive the prompting message that information is completed in unloading, i.e. the present embodiment is passed by effective information The accurate scheduling realized to AGV is passed, material allocation efficiency and accuracy are improved, improves production efficiency.

Referring to figure 2., the embodiment of the present invention five are as follows:

A kind of stream flow system 1, including storehouse management end 2, AGV dispatching terminal 5 and AGV8, storehouse management end 2 include What first memory 4, first processor 3 and being stored in can be run on first memory 4 and on first processor 3 first calculates Machine program, AGV dispatching terminal 5 include second memory 7, second processor 6 and are stored on second memory 7 and can be at second The second computer program that runs on reason device 6, AGV8 include third memory 10, third processor 9 and are stored in third storage On device 10 and the third computer program that can be run on third processor 9, when first processor 3 executes the first computer program Realize the step S1 and step S4 in above-described embodiment one；Second processor 6 is realized above-mentioned when executing second computer program Step S2 in embodiment one；Third processor 9 realizes the step S3 in above-described embodiment one when executing third computer program.

Referring to figure 2., the embodiment of the present invention six are as follows:

A kind of stream flow system 1, on the basis of above-described embodiment five, first processor 3 executes the first computer journey Step S1, step S30 and the step S4 in above-described embodiment two are realized when sequence；Second processor 6 executes second computer journey The step S2 in above-described embodiment two is realized when sequence；Third processor 9 realizes above-described embodiment when executing third computer program Step S3 in two.

Referring to figure 2., the embodiment of the present invention seven are as follows:

A kind of stream flow system 1, on the basis of above-described embodiment five, first processor 3 executes the first computer journey The step S1 and step S4 in above-described embodiment three are realized when sequence；Second processor 6 is realized when executing second computer program Other steps in step S2 in above-described embodiment three in addition to step S23；When third processor 9 executes third computer program Realize step S23, the step S3 in the step S2 in above-described embodiment three.

In conclusion a kind of stream flow method and system provided by the invention, material picking list is write at storehouse management end Enter in the RFID label tag for having picked in the RFID label tag to outbound material prepared or being mounted in AGV, RFID is marked by AGV The reading and binding of label, to realize the materials such as raw material, semi-finished product, finished product from warehouse, flowing and to the real-time tracing on line And record, so that the in/out library intelligent management of the materials such as raw material, semi-finished product, finished product is realized, to improve the matter of logistics Amount and intelligence degree；By the time of AGV dispatching terminal planning path, to select used time shortest AGV and corresponding row Inbound path guarantees the conevying efficiency of AGV to save haulage time.

The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include In scope of patent protection of the invention.

Claims

1. a kind of stream flow method, which is characterized in that comprising steps of

S1, storehouse management terminate sequence materials plan of knocking off, and obtain material requirement order, generate material picking list and material stations The material stations demand point information is sent to AGV dispatching terminal by demand point information, and material picking list write-in has been picked and has been matched In the good RFID label tag to outbound material；

S2, AGV dispatching terminal receive the material stations demand point information, used time shortest travel path are cooked up, by the row Inbound path is sent to AGV；

S3, AGV read the RFID label tag, obtain material information, the material information and the AGV are bound, and presses It walks according to the travel path, until reaching material stations demand point；

2. a kind of stream flow method according to claim 1, which is characterized in that the step S1 can be replaced: warehouse Management end receives the plan of process materials, obtains material requirement order, generates material picking list and material stations demand point information, The material stations demand point information is sent to AGV dispatching terminal；

The step S2 further include: by the material transport information including the AGV and the travel path to storehouse management End；

It is further comprised the steps of: between the step S2 and the step S3

The step S3 replacement are as follows: AGV walks according to the travel path in the RFID label tag, until reaching material Station demand point.

3. a kind of stream flow method according to claim 1, which is characterized in that the step S1 further include: warehouse pipe Reason end generates production auxiliary materials picking list according to preset time and production auxiliary materials station demand point information, the production auxiliary materials include Adhesive tape, tin cream roll band；

4. a kind of stream flow method according to claim 1, which is characterized in that the step S2 specifically:

S21, AGV dispatching terminal receive the material stations demand point information, acquisition be in idle condition and according to conveyed before library The distance of line is from closely to the AGV list being far arranged successively, and pipeline is to place to have picked to prepare depositing to outbound material before the library Put position；

The planning of S22, AGV dispatching terminal, which is located at the first the first AGV in the AGV list and returns to first of pipeline before library, default returns That the first AGV returns to pipeline before library is calculated according to the described first default playback path and AGV speed in position path One default playback time judged whether have other AGV by the described first default playback within the described first default playback time Path, if being assigned by the described first default playback path including described within the first default playback time without other AGV The playback instruction in the first default playback path；

S24, AGV dispatching terminal are planned during pipeline before the first AGV returns to library from pipeline before the library to institute The the first default transport path for stating material stations demand point, is calculated according to the described first default transport path and AGV speed First default time of delivery of first AGV from pipeline before the library to the material stations demand point, judges first Whether there are other AGV by the described first default transport path in default time of delivery, if not having in the first default time of delivery There are other AGV by the described first default transport path, then using the described first default transport path as travel path.

5. a kind of stream flow method according to claim 4, which is characterized in that the step S22 specifically:

The planning of S221, AGV dispatching terminal is located at the first the first AGV in the AGV list and returns to the first default of pipeline before library It playbacks path, the first AGV is calculated according to the described first default playback path and AGV speed and returns to pipeline before library First presets the playback time, and whether judge has other AGV to preset by described first within the described first default playback time is returned Position path, if being assigned by the described first default playback path including institute within the first default playback time without other AGV State the playback instruction in the first default playback path；

If S222, there are other AGV by the described first default playback path within the first default playback time, other AGV are obtained The playback engaged position and playback holding time section stopped on the first default playback path judges the first AGV according to the When one default playback path walking, if in the excessively described playback engaged position of playback holding time section back warp, if described the One AGV is without the playback engaged position in the playback holding time section, then the first AGV is used time most short AGV, The playback instruction including the described first default playback path is assigned to the used time most short AGV；

If S223, the first AGV calculate described in the excessively described playback engaged position of playback holding time section back warp One AGV conflicts the time with playback of other the described AGV on the playback engaged position, and the playback conflict time is added to institute Stated for the first default playback time to obtain for the first practical playback time；

The planning of S224, AGV dispatching terminal, which is located in the AGV list, returns to the of pipeline before library in deputy 2nd AGV Two default playback paths, to obtain for the second default playback time, planning is located at the third that third position is in the AGV list AGV returns to the default playback path of third of pipeline before library, and to obtain the third default playback time, planning the first AGV is returned The alternative default playback path of the first of pipeline before to library, to obtain for the first alternative default playback time；

When S225, AGV dispatching terminal successively calculate the second practical playback according to the step 221, step 222 and step S223 Between, third practical playback time and the first alternative practical playback time, according to the described first practical playback time, described second It is the smallest that practical playback time, the third practical playback time and the first alternative practical playback time obtain time value Used time most short AGV, Xiang Suoshu used time most short AGV assign playback instruction；

The step S24 specifically:

S241, AGV dispatching terminal during pipeline before the first AGV returns to library, planning from pipeline before the library to First default transport path of the material stations demand point, calculates according to the described first default transport path and AGV speed The first default time of delivery to the first AGV from pipeline before the library to the material stations demand point judges Whether there are other AGV by the described first default transport path in one default time of delivery, if in the first default time of delivery Pass through the described first default transport path without other AGV, then using the described first default transport path as travel path；

If S242, there are other AGV by the described first default transport path in the first default time of delivery, other AGV are obtained The conveying engaged position and conveying holding time section stopped on the first default transport path, judges that the used time most short AGV is pressed When according to the walking of the first default transport path, if in the excessively described conveying engaged position of conveying holding time section back warp, if institute Used time most short AGV is stated in the conveying holding time section without the conveying engaged position, then is preset described first defeated Send path as travel path；

If S243, the used time most short AGV calculate institute in the excessively described conveying engaged position of conveying holding time section back warp It states used time most short AGV to conflict the time with conveying of other the described AGV on the conveying engaged position, when the conveying is conflicted Between add to the described first default time of delivery to obtain for the first actual fed time；

S244, AGV dispatching terminal plan of the used time most short AGV from pipeline before the library to the material stations demand point One alternatively presets transport path, second, and alternatively default transport path and third alternatively preset transport path, standby to obtain first Selecting default time of delivery, second, alternatively default time of delivery and third alternatively preset time of delivery；

S245, AGV dispatching terminal successively calculate the first alternative actual fed according to the step 241, step 242 and step S243 Time, the second alternative actual fed time and third alternative actual fed time, according to the first actual fed time, institute Stating the first alternative actual fed time, the second alternative actual fed time and the third alternative actual fed time obtains To time value the smallest used time most short transport path, using the used time most short transport path as travel path.

6. a kind of stream flow system, including storehouse management end, AGV dispatching terminal and AGV, the storehouse management end includes first Memory, first processor and storage on the first memory and the first computer program that can be run on first processor, The AGV dispatching terminal includes second memory, second processor and is stored on second memory and can be in second processor The second computer program of operation, the AGV include third memory, third processor and are stored on third memory and can The third computer program run on third processor, which is characterized in that the first processor executes described first and calculates It is performed the steps of when machine program

S1, the plan of process materials is received, obtains material requirement order, generate material picking list and material stations demand point letter Breath, the material stations demand point information is sent to AGV dispatching terminal, by the material picking list write-in picked prepare wait go out In the RFID label tag of library material；

S2, the material stations demand point information is received, cooks up used time shortest travel path, the travel path is sent To AGV；

S3, the RFID label tag is read, obtains material information, the material information and the AGV are bound, and according to institute It states travel path to walk, until reaching material stations demand point.

7. a kind of stream flow system according to claim 6, which is characterized in that the step S1 can be replaced: warehouse Management end receives the plan of process materials, obtains material requirement order, generates material picking list and material stations demand point information, The material stations demand point information is sent to AGV dispatching terminal；

Between the step S2 and the step S3, the first processor is realized following when executing first computer program Step:

The step S3 replacement are as follows: walk according to the travel path in the RFID label tag, until reaching material work Position demand point.

8. a kind of stream flow system according to claim 7, which is characterized in that the first processor executes described the When realizing the step S1 when one computer program further include: generate production auxiliary materials picking list according to preset time and production is auxiliary Expect station demand point information, the production auxiliary materials includes adhesive tape, tin cream or rolls band；

When the third processor realizes the step S3 when executing the third computer program further include: record the object of transport Expect quantity and number of rounds.

9. a kind of stream flow system according to claim 6, which is characterized in that the second processor executes described the When realizing the step S2 when two computer programs specifically:

S21, receive the material stations demand point information, acquisition be in idle condition and according to before library at a distance from pipeline from The AGV list being far arranged successively closely is arrived, pipeline is that placement has picked the storage position prepared to outbound material before the library；

S22, planning are located at the first default playback path that the first AGV the first in the AGV list returns to pipeline before library, root It the first AGV is calculated according to the described first default playback path and AGV speed returns to first of pipeline before library and default return The position time judges whether have other AGV by the described first default playback path within the described first default playback time, if It is then assigned default including described first without other AGV by the described first default playback path in first default playback time The playback instruction in playback path；

S24, during pipeline before the first AGV returns to library, plan from pipeline before the library to the material work First default transport path of position demand point, is calculated described first according to the described first default transport path and AGV speed First default time of delivery of the AGV from pipeline before the library to the material stations demand point judges in the first default conveying Whether there are other AGV by the described first default transport path in time, if without other AGV in the first default time of delivery By the described first default transport path, then using the described first default transport path as travel path；

10. a kind of stream flow system according to claim 9, which is characterized in that described in the second processor executes When realizing the step S22 when second computer program specifically:

S221, planning are located at the first default playback path that the first AGV the first in the AGV list returns to pipeline before library, The first AGV is calculated according to the described first default playback path and AGV speed and returns to the first default of pipeline before library It playbacks the time, judges whether have other AGV by the described first default playback path within the described first default playback time, if It is then assigned pre- including described first without other AGV by the described first default playback path within the first default playback time If the playback instruction in path of playbacking；

S224, planning, which are located at, is in the second default playback that deputy 2nd AGV returns to pipeline before library in the AGV list Path, to obtain for the second default playback time, before the 3rd AGV of the planning in the AGV list in third position returns to library Plan that the first AGV returns to pipeline before library to obtain the third default playback time in the default playback path of the third of pipeline The first alternative default playback path, to obtain for the first alternative default playback time；

S225, the second practical playback time, third reality are successively calculated according to the step 221, step 222 and step S223 It playbacks time and the first alternative reality playback time, when according to the described first practical playback time, the second practical playback Between, that the third practical playback time and the first alternative practical playback time obtain the time value the smallest used time is most short AGV, Xiang Suoshu used time most short AGV assign playback instruction；

S241, during pipeline before the first AGV returns to library, plan from pipeline before the library to the material work First default transport path of position demand point, is calculated described first according to the described first default transport path and AGV speed First default time of delivery of the AGV from pipeline before the library to the material stations demand point judges in the first default conveying Whether there are other AGV by the described first default transport path in time, if without other AGV in the first default time of delivery By the described first default transport path, then using the described first default transport path as travel path；

S244, the planning used time most short AGV are first alternative pre- from pipeline before the library to the material stations demand point If alternatively default transport path and third alternatively preset transport path for transport path, second, with obtain first alternatively preset it is defeated Sending time, second, alternatively default time of delivery and third alternatively preset time of delivery；

S245, the first alternative actual fed time, second are successively calculated according to the step 241, step 242 and step S243 Alternative actual fed time and third alternative actual fed time, according to the first actual fed time, described first standby Actual fed time, the second alternative actual fed time and the third alternative actual fed time is selected to obtain time value Most short transport path of the smallest used time, using the used time most short transport path as travel path.