CN108116907A - A kind of silo feeding control system - Google Patents

A kind of silo feeding control system Download PDF

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Publication number
CN108116907A
CN108116907A CN201711442124.5A CN201711442124A CN108116907A CN 108116907 A CN108116907 A CN 108116907A CN 201711442124 A CN201711442124 A CN 201711442124A CN 108116907 A CN108116907 A CN 108116907A
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CN
China
Prior art keywords
card
truck
silo
reader device
self
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Granted
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CN201711442124.5A
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Chinese (zh)
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CN108116907B (en
Inventor
郑国君
吴金瑞
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Zhengzhou Jin Heng Electron Technology Co Ltd
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Zhengzhou Jin Heng Electron Technology Co Ltd
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Priority to CN201711442124.5A priority Critical patent/CN108116907B/en
Publication of CN108116907A publication Critical patent/CN108116907A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G67/00Loading or unloading vehicles
    • B65G67/02Loading or unloading land vehicles
    • B65G67/04Loading land vehicles
    • B65G67/06Feeding articles or materials from bunkers or tunnels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00Control devices, e.g. for safety, warning or fault-correcting

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Warehouses Or Storage Devices (AREA)

Abstract

The invention discloses a kind of silo feeding control system, including silo, self-service terminal, blanking control unit, long-range PC terminals, Cloud Server and mobile phone terminal;Self-service terminal includes processor, the first communication module, touches screen, the first serial line interface, card issuing unit, print module and receive card unit, and processor is connected by signal wire with the first communication module, touch screen, the first serial line interface, card issuing unit, print module and receipts card unit;The blanking control unit includes IC card reader device, and IC card reader device is connected with IC card, truck scale, electronic flange butterfly and infrared sensor;The IC card reader device includes microcontroller, and the microcontroller is connected with the second communication module, the second serial line interface, radio frequency identification module and voice module;The present invention has the advantages that precisely controllable accurate positioning, the material loading of freight waggon, material Loading automatization, saves personnel's input.

Description

A kind of silo feeding control system
Technical field
The invention belongs to automobile Charge control technical fields, and in particular to a kind of silo feeding control system.
Background technology
, it is necessary to the weight of material being packed into truck precisely weigh, control during the loaded material into truck System., it is necessary to which truck first to be stopped in place, to ensure the splicing of truck especially during the material in silo is added to truck After mouth is aligned with the discharge port of silo, then the material in silo is added in truck.The material in silo is added at present Detection monitoring method in truck is whether the material receiving port that driver estimates truck by rearview mirror is aligned with the discharge port of silo, Whether the material receiving port that the special personnel of either live outfit carry out observation truck is aligned with the discharge port of silo, and informs in time Driver, this had not only caused the efficiency of loaded material to reduce, but also added the input of personnel.Moreover, in the loaded material into truck In the process, typically using truck scale detection truck weight change, so as to come judge add in inventory whether complete, this It is present with problems in the process:1st, truck scale detection is not accurate enough, and the material in truck has been filled it up with, but the object in silo Material be also to continue with thinking to be added in truck so that material benefit and cause to waste;2nd, during card drawing, the feeding quantity of setting surpasses Cross the useful load of truck so that when material is added in into truck, the material in truck has been filled it up with, but the material in silo according to So continue to fill into truck, so as to cause the waste of material.
The content of the invention
The purpose of the present invention is overcome the deficiencies in the prior art, and a kind of accurate positioning is provided, the material loading of freight waggon precisely may be used Control, automatic loading, save personnel input silo feeding control system.
Technical scheme is as follows:
A kind of silo feeding control system, including silo, self-service terminal, blanking control unit, long-range PC terminals, cloud service Device and mobile phone terminal;
The self-service terminal includes processor, the first communication module, touches screen, the first serial line interface, card issuing unit, beats Impression block and receive card unit, the processor by signal wire and the first communication module, touch screen, the first serial line interface, Card issuing unit, print module and receive card unit and be connected, first communication module be used to implement self-service terminal with it is long-range The connection of PC terminals;
The blanking control unit includes IC card reader device, and the IC card reader device is connected with IC card, truck scale, electric driving method Blue butterfly valve and infrared sensor;
The IC card reader device includes microcontroller, and the microcontroller is connected with the second communication module, the second serial line interface, radio frequency Identification module and voice module, second communication module are used to implement the connection of IC card reader device and long-range PC terminals, Second serial line interface is used to implement the company of IC card reader device and truck scale, electronic flange butterfly and infrared sensor It connects, the radio frequency identification module is used to implement IC card reader device and reads IC card, and the voice module is used for whether prompting truck Stop in place.
Preferably, the electronic flange butterfly by flanged joint in the discharge outlet of silo, the electronic flange butterfly Lower end have a discharge port by flanged joint, the infrared sensor is mounted on the lower end of the discharge port.
Preferably, whether the infrared ray sensor is corresponding for detecting the material receiving port of truck and the position of discharge port.
Preferably, first serial line interface and the second serial line interface are RS485 interfaces.
Preferably, the self-service terminal and IC card reader device are connected by universal serial bus with long-range PC terminals.
Preferably, the Cloud Server is connected by fiber optic network with long-range PC terminals, and the mobile phone terminal passes through WIFI Network or 4G networks are connected with Cloud Server.
Further, the discharging control method of the silo feeding control system, comprises the following steps:
S1. before marching into the arena, getting binding in self-service terminal has truck information and the IC card of prepackage material information;
S2. truck is driven on the truck scale below silo;
S3. whether the material receiving port of infrared sensor detection truck and the position of discharge port are corresponding, and provide voice prompt;
S4. vehicle stops in place, and the brush IC card on IC card reader device, electronic flange butterfly is opened to feed into truck;
S5. feed during truck scale detection truck weight change, infrared sensor detection truck in add in material whether be Material receiving port will be reached;
S6. material addition finishes, and electronic flange butterfly is closed, and truck is driven out to stock ground, before being driven out to that IC card insertion Self-Service is whole End, and print this charging information.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, the present invention controls the keying of electronic flange butterfly by IC card reader device, so as to fulfill the automatic loading of material, has Effect improves whole entrucking efficiency;
2nd, whether the present invention will reach material using the material that truck loading is detected by being mounted on the infrared sensor of discharge port The material receiving port of vehicle is realized with truck scale mutual cooperation and truck charge is precisely controlled, avoids the material mistake being packed into truck Amount or charge deficiency accomplish the Precision management of truck charging;
3rd, the present invention realizes the automatic loading of material by IC card, IC card reader device and electronic flange butterfly, need to only pass through IC card reader device, which reads IC card, can just carry out material automatic blanking, simplify manual operation program, effectively improve material entrucking Efficiency;
4th, self-service terminal of the invention, blanking control unit, long-range PC terminals, Cloud Server and mobile phone terminal form base Control management system in internet while material automatic loading is realized, realizes the Real-Time Sharing of material entrucking information;
To sum up, the present invention has precisely controllable accurate positioning, the material loading of freight waggon, material Loading automatization, saves personnel's input Advantage.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of self-service terminal in the present invention.
Fig. 3 is the structure diagram of blanking control unit in the present invention.
Fig. 4 is the structure diagram of IC card reader device in the present invention.
Fig. 5 is the structure diagram of silo in the present invention.
Fig. 6 is the control flow chart of the present invention.
In figure:1st, silo, 2, self-service terminal, 201, processor, the 202, first communication module, 203, touch screen, 204th, the first serial line interface, 205, card issuing unit, 206, print module, 207, receive card unit, 3, blanking control unit, 301, IC Card, 302, IC card reader device, 3021, microcontroller, the 3022, second communication module, the 3023, second serial line interface, 3024, radio frequency Identification module, 3025, voice module, 303, truck scale, 304, electronic flange butterfly, 305, infrared sensor, 4, long-range PC it is whole End, 5, Cloud Server, 6, mobile phone terminal, 7, discharge port.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment belongs to the scope of protection of the invention.
Embodiment 1
According to Fig. 1-5, a kind of silo feeding control system, including being equipped with the silo 1 of material, for receiving and dispatching IC card 301 Self-service terminal 2, the blanking control unit 3 for control material entrucking, are used for the long-range PC terminals 4 for information management Information storage and shared Cloud Server 5 and the mobile phone terminal 6 for remote information inquiry;The self-service terminal 2 wraps It includes processor 201, the first communication module 202, touch screen 203, the first serial line interface 204, card issuing unit 205, print module 206 and card unit 207 is received, the processor 201 passes through signal wire and the first communication module 202, touch screen 203, first Serial line interface 204, card issuing unit 205, print module 206 and receipts card unit 207 are connected, and first communication module 202 is used In the connection for realizing self-service terminal 2 and long-range PC terminals 4;The blanking control unit 3 includes IC card reader device 302, The IC card reader device 302 is connected with IC card 301, truck scale 303, electronic flange butterfly 304 and infrared sensor 305; The IC card reader device 302 includes microcontroller 3021, and the microcontroller 3021 is connected with the second communication module 3022, second string Line interface 3023, radio frequency identification module 3024 and voice module 3025, second communication module 3022 are used to implement IC card The connection of reader device 302 and long-range PC terminals 4, second serial line interface 3023 be used to implement IC card reader device 302 with The connection of truck scale 303, electronic flange butterfly 304 and infrared sensor 305, the radio frequency identification module 3024 are used to implement IC card reader device 302 reads IC card 301, and the voice module 3025 is used to prompt whether truck stops in place.
In the present embodiment, the electronic flange butterfly 304 by flanged joint silo 1 discharge outlet, it is described electronic There is discharge port 7 in the lower end of flange butterfly 304 by flanged joint, and the infrared sensor 305 is mounted under the discharge port 7 End;Whether the infrared ray sensor 305 is corresponding for detecting the material receiving port of truck and the position of discharge port 7;Described first 204 and second serial line interface 3023 of serial line interface is RS485 interfaces;The self-service terminal 2 and IC card Card Reader dress 302 are put by universal serial bus with long-range PC terminals 4 to be connected;The Cloud Server 5 passes through fiber optic network and long-range 4 phase of PC terminals Even, the mobile phone terminal 6 is connected by WIFI network or 4G networks with Cloud Server 5.
Embodiment 2
According to Fig. 6, the discharging control method of the silo feeding control system comprises the following steps:
S1. before marching into the arena, getting binding in self-service terminal has truck information and the IC card of prepackage material information;
S2. truck is driven on the truck scale below silo;
S3. whether the material receiving port of infrared sensor detection truck and the position of discharge port are corresponding, and provide voice prompt;
S4. vehicle stops in place, and the brush IC card on IC card reader device, electronic flange butterfly is opened to feed into truck;
S5. feed during truck scale detection truck weight change, infrared sensor detection truck in add in material whether be Material receiving port will be reached;
S6. material addition finishes, and electronic flange butterfly is closed, and truck is driven out to stock ground, before being driven out to that IC card insertion Self-Service is whole End, and print this charging information.
For the present embodiment when implementing, specific work process is as follows:
IC card is got, and when getting IC card, passes through touch screen input acknowledgement of consignment unit information, the carrier of self-service terminal License plate number, institutional recipient's information, the information such as article No. of loaded material, sent by card issuing unit and be stored with corresponding information IC card;
Truck is parked and position adjustment, after driver gets IC card, drives into the lower section of the discharge port of specified silo, vapour is parked in truck During vehicle weighing apparatus is upper, whether the material receiving port of the infrared inductor detection truck of the discharge port of silo lower end is directed at discharge port, such as Fruit material receiving port and discharge port position be not corresponding, and the voice module of IC card reading device, which is given, prompts, and driver driving truck is adjusted It is whole, be adjusted to material receiving port it is corresponding with discharge port position after, the voice module of IC card reading device, which is given, prompts, driver stop truck The adjustment of stand;
Truck feeds and detection, and after truck is parked in place, the brush IC card on IC card reader device, the radio frequency of IC card reader device is known Data message in other module identification IC card, feeds back to the microcontroller of IC card reader device, and microcontroller is sent out to electronic flange butterfly Open command is sent, electronic flange butterfly is opened, and material is added in into truck, during charging, truck scale detection truck weight The situation of change of amount, and microcontroller is fed back to, microcontroller judges to add in truck according to the charging information in the IC card read Weight of material whether reach accentuation, when the inventory added in truck reaches setting value, microcontroller is to electronic flange butterfly Valve sends out code, and charging stops;During charging, the infrared inductor on discharge port provides further Charging ensures that, if the inventory added in truck has reached setting value, microcontroller is not sent also to electronic flange butterfly to stop The instruction that only feeds and continue to feed or the feeding quantity information of IC card memory storage is more than truck burden rating so that truck The material of interior addition reaches the splicing upper limit of the material receiving port of truck, and infrared inductor senses that material is already added at material receiving port When, microcontroller sends out code to electronic flange butterfly, stops charging according to the information for receiving infrared inductor;
After charging, truck is driven out to truck scale, reaches self-service terminal, and driver puts into IC card on self-service terminal It receives in card unit, and the touch screen for passing through self-service terminal carries out printing, this charging information passes through impression block Block prints strip, terminates this charging;
With shared, long-range PC terminals receive self-service terminal and the IC reader devices of blanking control unit for the transmission of information Data message, while self-service terminal gets IC card, insertion IC card, printing, self-service terminal is by information Long-range PC terminals are sent to, long-range PC terminals send information to Cloud Server and stored, administrative staff or the personnel that receive Access Cloud Server inquiry cargo handling traffic condition.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. a kind of silo feeding control system, including silo(1), self-service terminal(2), blanking control unit(3), long-range PC Terminal(4), Cloud Server(5)And mobile phone terminal(6), it is characterised in that:
The self-service terminal(2)Including processor(201), the first communication module(202), touch screen(203), first string Line interface(204), card issuing unit(205), print module(206)And receive card unit(207), the processor(201)Pass through Signal wire and the first communication module(202), touch screen(203), the first serial line interface(204), card issuing unit(205), printing Module(206)And receive card unit(207)It is connected, first communication module(202)It is used to implement self-service terminal(2)With Long-range PC terminals(4)Connection;
The blanking control unit(3)Including IC card reader device(302), the IC card reader device(302)It is connected with IC card (301), truck scale(303), electronic flange butterfly(304)And infrared sensor(305);
The IC card reader device(302)Including microcontroller(3021), the microcontroller(3021)It is connected with the second communication module (3022), the second serial line interface(3023), radio frequency identification module(3024)And voice module(3025), the second communication mould Block(3022)It is used to implement IC card reader device(302)With long-range PC terminals(4)Connection, second serial line interface(3023) It is used to implement IC card reader device(302)With truck scale(303), electronic flange butterfly(304)And infrared sensor(305)'s Connection, the radio frequency identification module(3024)It is used to implement IC card reader device(302)Read IC card(301), the voice mould Block(3025)For prompting whether truck stops in place.
2. silo feeding control system as described in claim 1, it is characterised in that:The electronic flange butterfly(304)Pass through Flanged joint is in silo(1)Discharge outlet, the electronic flange butterfly(304)Lower end have discharge port by flanged joint (7), the infrared sensor(305)Mounted on the discharge port(7)Lower end.
3. silo feeding control system as described in claim 1, it is characterised in that:The infrared ray sensor(305)For Detect the material receiving port and discharge port of truck(7)Position it is whether corresponding.
4. silo feeding control system as described in claim 1, it is characterised in that:First serial line interface(204)And Second serial line interface(3023)It is RS485 interfaces.
5. silo feeding control system as described in claim 1, it is characterised in that:The self-service terminal(2)And IC Card card-reading devcie(302)Pass through universal serial bus and long-range PC terminals(4)It is connected.
6. silo feeding control system as described in claim 1, it is characterised in that:The Cloud Server(5)Pass through optical network Network and long-range PC terminals(4)It is connected, the mobile phone terminal(6)Pass through WIFI network or 4G networks and Cloud Server(5)It is connected.
7. such as the discharging control method of claim 1-6 any one of them silo feeding control systems, which is characterized in that including Following steps:
S1. before marching into the arena, getting binding in self-service terminal has truck information and the IC card of prepackage material information;
S2. truck is driven on the truck scale below silo;
S3. whether the material receiving port of infrared sensor detection truck and the position of discharge port are corresponding, and provide voice prompt;
S4. vehicle stops in place, and the brush IC card on IC card reader device, electronic flange butterfly is opened to feed into truck;
S5. feed during truck scale detection truck weight change, infrared sensor detection truck in add in material whether be Material receiving port will be reached;
S6. material addition finishes, and electronic flange butterfly is closed, and truck is driven out to stock ground, before being driven out to that IC card insertion Self-Service is whole End, and print this charging information.
CN201711442124.5A 2017-12-27 2017-12-27 Silo unloading control system Active CN108116907B (en)

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Application Number Priority Date Filing Date Title
CN201711442124.5A CN108116907B (en) 2017-12-27 2017-12-27 Silo unloading control system

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Application Number Priority Date Filing Date Title
CN201711442124.5A CN108116907B (en) 2017-12-27 2017-12-27 Silo unloading control system

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CN108116907A true CN108116907A (en) 2018-06-05
CN108116907B CN108116907B (en) 2021-01-12

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109164734A (en) * 2018-08-28 2019-01-08 北京建工资源循环利用投资有限公司 A kind of building aggregate automatic loading control system and method
CN109516238A (en) * 2018-12-11 2019-03-26 新乡市中誉鼎力软件科技股份有限公司 Blanking progress display methods and baiting control device
CN109516240A (en) * 2018-12-17 2019-03-26 新乡市中誉鼎力软件科技股份有限公司 A kind of mining loading method and mining charging mobile terminal
CN110174163A (en) * 2019-06-21 2019-08-27 山东金钟科技集团股份有限公司 A kind of Bulk Grain metering weighing system
CN113428584A (en) * 2021-06-01 2021-09-24 长沙理工大学 Throwing device utilizing hydrodynamic force and using method thereof
CN114572578A (en) * 2022-03-08 2022-06-03 贵州开阳青利天盟化工有限公司 Sodium tripolyphosphate blowing system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202757669U (en) * 2012-08-29 2013-02-27 山西保禄衡器有限公司 Automatic weighing management system for automobile silo loading with quantitative coal
CN205138613U (en) * 2015-11-12 2016-04-06 郑州金恒电子技术有限公司 Truck scale self -service terminal machine and weighing system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202757669U (en) * 2012-08-29 2013-02-27 山西保禄衡器有限公司 Automatic weighing management system for automobile silo loading with quantitative coal
CN205138613U (en) * 2015-11-12 2016-04-06 郑州金恒电子技术有限公司 Truck scale self -service terminal machine and weighing system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王威: "云服务器", 《浅谈衡器物联网的智能应用》 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109164734A (en) * 2018-08-28 2019-01-08 北京建工资源循环利用投资有限公司 A kind of building aggregate automatic loading control system and method
CN109516238A (en) * 2018-12-11 2019-03-26 新乡市中誉鼎力软件科技股份有限公司 Blanking progress display methods and baiting control device
CN109516240A (en) * 2018-12-17 2019-03-26 新乡市中誉鼎力软件科技股份有限公司 A kind of mining loading method and mining charging mobile terminal
CN110174163A (en) * 2019-06-21 2019-08-27 山东金钟科技集团股份有限公司 A kind of Bulk Grain metering weighing system
CN113428584A (en) * 2021-06-01 2021-09-24 长沙理工大学 Throwing device utilizing hydrodynamic force and using method thereof
CN113428584B (en) * 2021-06-01 2023-02-21 长沙理工大学 Throwing device utilizing hydrodynamic force and using method thereof
CN114572578A (en) * 2022-03-08 2022-06-03 贵州开阳青利天盟化工有限公司 Sodium tripolyphosphate blowing system

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