CN102923463A - Protection system of full-functional belt conveyer - Google Patents

Protection system of full-functional belt conveyer Download PDF

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Publication number
CN102923463A
CN102923463A CN2012104805335A CN201210480533A CN102923463A CN 102923463 A CN102923463 A CN 102923463A CN 2012104805335 A CN2012104805335 A CN 2012104805335A CN 201210480533 A CN201210480533 A CN 201210480533A CN 102923463 A CN102923463 A CN 102923463A
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China
Prior art keywords
adhesive tape
switch
bus
tape conveyor
protection system
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Application number
CN2012104805335A
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CN102923463B (en
Inventor
周国宾
刘克颜
张剑峰
高宇
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PINGDINGSHAN ZHONGXUAN AUTOMATIC CONTROL SYSTEM CO Ltd
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PINGDINGSHAN ZHONGXUAN AUTOMATIC CONTROL SYSTEM CO Ltd
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Priority to CN201210480533.5A priority Critical patent/CN102923463B/en
Publication of CN102923463A publication Critical patent/CN102923463A/en
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Publication of CN102923463B publication Critical patent/CN102923463B/en
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Abstract

A protection system of a full-functional belt conveyer comprises a nose controller and a belt protection device, wherein the nose controller is arranged in the position of the nose of the belt conveyer, and includes a switching power supply, a bus interface converter, a PLC (Programmable Logic Controller) and a touch-control display screen; bus communication modules are internally fixed on switches of the belt protection device respectively, and are electrically connected with the switches in the belt protection device respectively; and all the bus communication modules are connected together through a two-wire system bus, and are connected with the PLC in the nose controller through the bus interface converter. Through the adoption of the protection system, the control wiring of the protection device is reduced, the material cost and the construction cost of a control cable are reduced, the wiring manner of the communication bus is flexible and can be freely topological, and the bus communication modules can set the address on line through software or a handheld programmer, so that the address is set simply and conveniently.

Description

A kind of global function adhesive tape conveyor protection system
Technical field
The present invention relates to a kind of industrial automation system, specifically a kind of global function adhesive tape conveyor protection system.
Background technology
Adhesive tape conveyor is widely used in industrial process control enterprise.For guaranteeing the safe operation of adhesive tape conveyor, people have developed a series of fender guards in engineering practice.Its fender guard commonly used has: anxious pull switch, deviation switch, stall sensor, vertical sensor, cigarette temperature sensor, the solid accumulation sensor of tearing of stopping.In present automation control system, these fender guards all separately are connected with PLC, and in one aspect the safe operation of adhesive tape conveyor is protected.The shortcoming of using like this is:
One, PLC controller need to for each fender guard configuration DI point, take a large amount of PLC module resources.
Two, being connected of fender guard and PLC, need a large amount of control cables.Take material cost and construction cost.
Three, particularly growing apart from adhesive tape conveyor, fender guard is more, and taking of resource is larger.In addition, the alarm condition of fender guard only has the centralized control chamber to grasp comprehensively, is unfavorable for that especially the post worker grasps the operation conditions of belt conveyor protection device in real time.
Summary of the invention
The present invention provides a kind of global function adhesive tape conveyor protection system for addressing the above problem, and the installation wiring of this system is simple, and cost of investment is lower, and can the on-the-spot operation conditions of controlling and debugging the whole fender guards of adhesive tape conveyor.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of global function adhesive tape conveyor protection system, formed by nose controller and adhesive tape fender guard, described nose controller is arranged on the head position of adhesive tape conveyor, and is comprised of Switching Power Supply, bus interface conv, PLC controller and touching display screen; Described adhesive tape fender guard comprises pull switch; deviation switch; the stall switch; stop up switch; vertical tearing closed and the cigarette temperature sensor; wherein pull switch is arranged on the same side at adhesive tape conveyor edge; deviation switch is the limit sensors that is arranged on the both sides of adhesive tape conveyor; the stall switch is the tachogen that is arranged on the driven shaft of transport plane; and to stop up switch be the material pressure sensor that is arranged on the chute of adhesive tape conveyor; vertical tearing closed as being arranged on the touch sensor in the middle part of the conveyor belt; the cigarette temperature sensor is the temperature sensor that is arranged in the adhesive tape haulage gantry; and at pull switch; deviation switch; the stall switch; stop up switch; vertical tear close and the cigarette temperature sensor on equal built-in bus communication modules that is fixed with; each bus communication module is electrically connected with switch in the adhesive tape fender guard respectively; and all bus communication modules link together by the two wire system bus; and be connected with PLC controller in the nose controller by the bus interface conv; the PLC controller links to each other with touching display screen by communication interface; and the PLC controller is connected with the process control system main website, and Switching Power Supply provides power supply for adhesive tape fender guard and bus interface conv.
Described bus communication module arranges the address information of installation site by hand-hold programmer, it is 1-128 that the address arranges scope.
Described bus communication module adopts the two wire system bus to connect with being connected of hand-hold programmer.
Described bus interface conv links to each other with the PLC controller by serial port.
Spacing between per two of the described pull switch is no more than 40m, and the deviation switch distance nearest apart from nose controller is 50m, and the spacing between per two of the same side is 55m.
Described stall switch is comprised of the approach switch that possesses the bus communication function.
Described Switching Power Supply is the 24V power supply.
Described PLC controller links to each other with the process control system main website by ethernet.
Built-in bus communication modules all in the adhesive tape fender guard link together by the two wire system bus, and communicate by letter with the PLC controller in the nose controller by the bus interface conv.The PLC controller carries out programming in logic according to gathering the guard signal that comes, and various guard signals are converted into the outlet of reporting to the police for external control wiring (such as hardwire control loop or sound and light alarm loop); Simultaneously, by the programming to speed signal, can grasp in real time the sealing-tape machine running velocity.Touching display screen is connected with the PLC controller by communication interface, the running state of each position fender guard of demonstration that can be real-time, and the running velocity of sealing-tape machine; The input that also can set stall parameter and various defencive functions by its human-computer interaction interface with withdraw from.At last, intelligent substation and main website of system that nose controller can be used as in the process control system communicate, and reduce the main website of system to the distributed collection of the single fender guard of separate unit adhesive tape conveyor.
Beneficial effect of the present invention:
One, bus communication module provided by the invention adopt the two wire system wiring, and communication bus also is the power lead of communication module simultaneously, and it has greatly reduced the control wiring of fender guard, has saved material cost and the construction cost of control cables; And this communication bus mode of connection is flexible, but free topology need not relaying in 2 kilometer range;
Two, the bus communication module can be passed through software on-line setup address, also can set the address by hand-hold programmer, and address setting is simple and convenient;
Three, nose controller can be used as the intelligent substation of process control system, greatly reduces the use that the control I/O of PLC main website is ordered, and reduces laying of control cables.
Four, the touching display screen of nose controller can be used as the man-machine interface use, the operation conditions that can show in real time belt conveyor protection device, set the input of the operational factor of various protections and defencive function and withdraw from, be convenient to adhesive tape conveyor post worker and grasp in real time the equipment operating condition; Nose controller can also be used in conjunction with various external control circuits, such as the acoustooptic alarm system at scene etc.
Description of drawings
The present invention will be further described below in conjunction with the drawings and specific embodiments:
Fig. 1 is system of the present invention pie graph;
Fig. 2 is system communication schematic diagram of the present invention;
Fig. 3 is the built-in bus communication module wiring schematic diagram of the pull switch of adhesive tape fender guard;
Reference numeral: 1, nose controller, 2, the adhesive tape fender guard, 3, Switching Power Supply; 4, bus interface conv, 5, the PLC controller, 6, touching display screen; 7, pull switch, 8, deviation switch, 9, the stall switch; 10, stop up switch; 11, the vertical pass of tearing, 12, the cigarette temperature sensor, 13, the process control system main website; 14, bus communication module, 15, hand-hold programmer.
The specific embodiment
As illustrated in fig. 1 and 2: a kind of global function adhesive tape conveyor protection system, formed by nose controller 1 and adhesive tape fender guard 2, described nose controller 1 is arranged on the head position of adhesive tape conveyor, and is comprised of Switching Power Supply 3, bus interface conv 4, PLC controller 5 and touching display screen 6; Described adhesive tape fender guard 2 comprises pull switch 7; deviation switch 8; stall switch 9; stop up switch 10; vertical pass 11 and the cigarette temperature sensor 12 torn; wherein pull switch 7 is arranged on the same side at adhesive tape conveyor edge; deviation switch 8 is the limit sensors that is arranged on the both sides of adhesive tape conveyor; stall switch 9 is the tachogen on the driven shaft that is arranged on transport plane; and obstruction switch 10 is the material pressure sensor on the chute that is arranged on adhesive tape conveyor; vertical tearing closes 11 for being arranged on the touch sensor in the middle part of the conveyor belt; cigarette temperature sensor 12 is for being arranged on the temperature sensor in the adhesive tape haulage gantry; and at pull switch 7; deviation switch 8; stall switch 9; stop up switch 10; vertical tear close 11 and cigarette temperature sensor 12 on equal built-in bus communication modules 14 that is fixed with; each bus communication module 14 is electrically connected with switch in the adhesive tape fender guard 2 respectively; and all bus communication modules 14 link together by the two wire system bus; and be connected with PLC controller 5 in the nose controller 1 by bus interface conv 4; PLC controller 5 links to each other with touching display screen 6 by communication interface; and PLC controller 5 is connected with process control system main website 13, and Switching Power Supply 3 provides power supply for adhesive tape fender guard 2 and bus interface conv 4.
As shown in Figure 3, described bus communication module 14 arranges the address information of installation site by hand-hold programmer 15, it is 1-128 that the address arranges scope, bus communication module 14 adopts the two wire system bus to connect with being connected of hand-hold programmer 15, need to prove, Fig. 3 is the built-in bus communication module wiring schematic diagram of pull switch, and the wiring schematic diagram of other switches is identical with pull switch.
Described bus interface conv 4 links to each other with PLC controller 5 by serial port.
The spacing of described pull switch 7 between per two is no more than 40m, and deviation switch 8 is 50m apart from nose controller 1 nearest distance, and the spacing between per two of the same side is 55m.
Described stall switch 9 is comprised of the approach switch that possesses the bus communication function.
Described Switching Power Supply 3 is the 24V power supply.
Described PLC controller 5 links to each other with process control system main website 13 by ethernet.
Described bus interface conv 4, be built in that bus communication module 14 and two wire system bus cable have formed the bus network that can transmit simple switch amount signal in the adhesive tape protection switch.This bus network adopts the two wire system carrier communication, two-line cable be the feed cable of module also be the communication cable of signal transmission, and its Principle of Communication adopts time-division multiplex technology.So-called time-division multiplex technology is exactly that 4 pairs of bus network of bus interface conv are constantly sent carrier signal, contains the address time slot that each bus communication module in the promising network distributes in this carrier signal.Bus communication module 14 is according to the geocoding of its setting, when detecting corresponding in carrier signal address time slot, checks the Obj State of its collection, and corresponding status signal is sent to bus interface conv 4.
Bus communication module 14 is carried out physical connection with outside conventional adhesive tape protection switch, gathers its on off state.The address information of bus communication module 14 installation sites can arrange flexibly by hand-hold programmer 15, and it is 1 ~ 128 that the address arranges scope.Bus communication module 14 connects with also adopting two lines being connected of hand-hold programmer 15, and is simple and convenient.Bus interface conv 4 except by two-line cable with bus communication module 14 links to each other, also link to each other with PLC controller 5 by serial port, its effect is the signal that the bus network collection is come, be converted to the signal that PLC controller 5 can be identified, perhaps the command signal with PLC controller 5 is converted to the bus network signal.
PLC controller 5 is selected the NX7S-10ADT of American AB company type PLC, its effect is to carry out programming in logic according to the adhesive tape guard signal that the bus network collection comes, various guard signals are converted into the alarm condition outlet of physics, for external control loop (such as sound and light alarm interface etc. is provided); According to speed signal, calculate the real time execution speed of adhesive tape operation machine simultaneously.
NX7S-10ADT type PLC has 10 relay output interfaces, and programming in logic takes full advantage of these interfaces, in order to drive outside combined aural and visual alarm or the control loop of adhesive tape conveyor.When situation (chute coal piling, secondary sideslip, adhesive tape are torn such as occuring, urgent stay cord etc.) can start different warning devices when the action of the fender guard of adhesive tape conveyor.Also can offer remote alarm interface simultaneously the control loop of adhesive tape conveyor, be used for stopping adhesive tape conveyor.Programming in logic also can by the detection signal of stall switch 9, calculate the real time execution speed of adhesive tape operation machine.
PLC controller 5 also links to each other with touching display screen 6 by communication interface, and touching display screen 6 is selected the C200 of American AB company type touch-screen.It is used for showing in real time the running state of each fender guard, and the travelling speed of adhesive tape conveyor also can pass through its human-computer interaction interface, the input of setting stall protection parameter and various defencive functions with withdraw from.
C200 has abundant graphical interfaces, the operation of demonstration adhesive tape operation machine that can image with stop, the input of fender guard with the situation such as withdraw from.Its man-machine interaction function is set, mainly realize by the logical program that cooperates PLC.When the user need to stop the use of certain fender guard, can be directly by the touch-control setting.Such as, when serious sideslip occured adhesive tape conveyor, fender guard sent alerting signal and stops adhesive tape conveyor, and adhesive tape conveyor again can't be from new unlatching.At this moment, need to temporarily withdraw from sideslip and open 8 function, just can reopen adhesive tape conveyor.In addition, different adhesive tape conveyors has different specified running velocitys, and therefore, the stall parameter is also different.At this moment, we set the stall parameter at the command speed that can be directly adhesive tape conveyor be set by human-computer interaction interface.
Adhesive tape conveyor is an equipment in the process control system, and for the orderly control of this fender guard and process control system is provided, PLC controller 5 also can pass through ethernet, or other communication protocols link to each other with whole process control system main website 13.In order to reduce the main website of system to the distributed collection of the single fender guard of separate unit adhesive tape conveyor, greatly save the use of the I/O of main website of system bus communication module 14 and control cables.
Implementation process of the present invention: built-in bus communication modules 14 all in the adhesive tape fender guard 2 link together by the two wire system bus, and communicate by letter with the PLC controller 5 in the nose controller 1 by bus interface conv 4.PLC controller 5 carries out programming in logic according to gathering the guard signal that comes, and various guard signals are converted into the outlet of reporting to the police for external control wiring (such as hardwire control loop or sound and light alarm loop); Simultaneously, by the programming to speed signal, can grasp in real time the running velocity of sealing-tape machine.Touching display screen 6 is connected with PLC controller 5 by communication interface, the running state of each position fender guard of demonstration that can be real-time, the running velocity of sealing-tape machine; The input that also can set stall parameter and various defencive functions by its human-computer interaction interface with withdraw from.At last, intelligent substation and process control system main website 13 that nose controller 1 can be used as in the process control system communicate, and reduce the distributed collection of 13 pairs of single fender guards of separate unit adhesive tape conveyor of process control system main website.

Claims (8)

1. global function adhesive tape conveyor protection system, formed by nose controller (1) and adhesive tape fender guard (2), it is characterized in that: described nose controller (1) is arranged on the head position of adhesive tape conveyor, and is comprised of Switching Power Supply (3), bus interface conv (4), PLC controller (5) and touching display screen (6); Described adhesive tape fender guard (2) comprises pull switch (7); deviation switch (8); stall switch (9); stop up switch (10); vertical pass (11) and the cigarette temperature sensor (12) torn; wherein pull switch (7) is arranged on the same side at adhesive tape conveyor edge; deviation switch (8) is the limit sensors that is arranged on the both sides of adhesive tape conveyor; stall switch (9) is the tachogen on the driven shaft that is arranged on transport plane; and obstruction switch (10) is the material pressure sensor on the chute that is arranged on adhesive tape conveyor; vertical passs (11) of tearing is the touch sensor that is arranged in the middle part of the conveyor belt; cigarette temperature sensor (12) is for being arranged on the temperature sensor in the adhesive tape haulage gantry; and in pull switch (7); deviation switch (8); stall switch (9); stop up switch (10); vertical all built-in bus communication modules (14) that is fixed with of tearing on pass (11) and the cigarette temperature sensor (12); each bus communication module (14) the respectively switch in the adhesive tape fender guard (2) corresponding with it is electrically connected; and all bus communication modules (14) link together by the two wire system bus; and be connected with PLC controller (5) in the nose controller (1) by bus interface conv (4); PLC controller (5) links to each other with touching display screen (6) by communication interface; and PLC controller (5) is connected with process control system main website (13), and Switching Power Supply (3) provides power supply for adhesive tape fender guard (2) and bus interface conv (4).
2. a kind of global function adhesive tape conveyor protection system as claimed in claim 1, it is characterized in that: described bus communication module (14) arranges the address information of installation site by hand-hold programmer (15), it is 1-128 that the address arranges scope.
3. a kind of global function adhesive tape conveyor protection system as claimed in claim 2 is characterized in that: described bus communication module (14) adopts the two wire system bus to connect with being connected of hand-hold programmer (15).
4. a kind of global function adhesive tape conveyor protection system as claimed in claim 1, it is characterized in that: described bus interface conv (4) links to each other with PLC controller (5) by serial port.
5. a kind of global function adhesive tape conveyor protection system as claimed in claim 1; it is characterized in that: the spacing between per two of the described pull switch (7) is no more than 40m; deviation switch (8) distance nearest apart from nose controller (1) is 50m, and the spacing between per two of the same side is 55m.
6. a kind of global function adhesive tape conveyor protection system as claimed in claim 1, it is characterized in that: described stall switch (9) is comprised of the approach switch that possesses the bus communication function.
7. a kind of global function adhesive tape conveyor protection system as claimed in claim 1 is characterized in that: described Switching Power Supply (3) is the 24V power supply.
8. a kind of global function adhesive tape conveyor protection system as claimed in claim 1, it is characterized in that: described PLC controller (5) links to each other with process control system main website (13) by ethernet.
CN201210480533.5A 2012-11-23 2012-11-23 Protection system of full-functional belt conveyer Active CN102923463B (en)

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Application Number Priority Date Filing Date Title
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CN102923463B CN102923463B (en) 2014-12-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105016050A (en) * 2014-04-30 2015-11-04 张鹏 Centralized control device for mining belt conveyer
CN106241271A (en) * 2016-08-23 2016-12-21 乌海市天惠矿山机械有限责任公司 A kind of air cushion-belt conveyer automatic intelligent electric-control system
CN109240221A (en) * 2018-07-09 2019-01-18 中山市台达塑料机械有限公司 A kind of integrated feed automatic control system in center
CN110697372A (en) * 2019-10-24 2020-01-17 厦门龙净环保技术有限公司 Pull switch system, address setting method, protection method and pull switch

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CN202440104U (en) * 2012-02-14 2012-09-19 北京信息科技大学 Band type transport safety protection system
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AU7615991A (en) * 1990-09-24 1992-03-26 Albert William Cousins Detector
RU2026806C1 (en) * 1991-04-19 1995-01-20 Акционерное общество "Борский стекольный завод" Device to control transport flow of raw material components of glass charge
CN201553473U (en) * 2009-07-30 2010-08-18 合肥翔飞电子有限公司 Integrated protection device of mine double bus belt conveyor
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105016050A (en) * 2014-04-30 2015-11-04 张鹏 Centralized control device for mining belt conveyer
CN106241271A (en) * 2016-08-23 2016-12-21 乌海市天惠矿山机械有限责任公司 A kind of air cushion-belt conveyer automatic intelligent electric-control system
CN109240221A (en) * 2018-07-09 2019-01-18 中山市台达塑料机械有限公司 A kind of integrated feed automatic control system in center
CN110697372A (en) * 2019-10-24 2020-01-17 厦门龙净环保技术有限公司 Pull switch system, address setting method, protection method and pull switch
CN110697372B (en) * 2019-10-24 2021-08-13 福建龙净环保股份有限公司 Pull switch system, address setting method, protection method and pull switch

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