CN102491069B - Intelligent wireless detecting system for longitudinal tearing of conveying belts - Google Patents
Intelligent wireless detecting system for longitudinal tearing of conveying belts Download PDFInfo
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- CN102491069B CN102491069B CN 201110361188 CN201110361188A CN102491069B CN 102491069 B CN102491069 B CN 102491069B CN 201110361188 CN201110361188 CN 201110361188 CN 201110361188 A CN201110361188 A CN 201110361188A CN 102491069 B CN102491069 B CN 102491069B
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Abstract
The invention provides an intelligent wireless detecting system for longitudinal tearing of conveying belts, which comprises an external antenna, a plurality of internal antenna sets and ZigBee modules, wherein the internal antennas are embedded into a conveying belt. The external antenna is connected with a conveying belt motor and laid along the conveying belt, and a power end of each ZigBee module is connected with one internal antenna or one internal antenna set. When a conveying belt motor is operated normally, the external antenna converts transmitted electric energy into electromagnetic energy and continuously sends out electromagnetic signals of specific frequency, and the internal antennas converts the electromagnetic signals transmitted by the external antenna into electric signals to provide power voltage for the ZigBee modules. Conveying belt information including conveying belt position numbers is stored and transmitted to a superior control center by the ZigBee modules. The intelligent wireless detecting system has the advantages of quickness in response, accuracy in positioning, high interference resistance, high efficiency, stability and capability of effectively solving the problems that tearing fault detection in the prior art is untimely, equipment connecting cables are difficult in laying and maintenance, and the like.
Description
Technical field
The present invention relates to a kind of wireless detecting system, especially a kind of intelligent wireless checking system for detection of the load-transfer device longitudinal tear.
Background technology
Modern Leather Belt Conveyance amount is large, and transportation range is long, and speed is fast, efficient is high, function is many, uses extensively in the large-scale mass transport of industrial and mineral factory, steelworks, harbour etc., is the core tool of material transportation.Load-transfer device is in above-mentioned transportation environment; caused by material card pressure, sharp keen foreign matter scuffing etc. the longitudinal tear accident occurs in course of conveying; as untimely discovery reparation; the belt body tearing port is with rapid spread; cause conveyer by forced-stopping machine, stopping production, cause huge economic loss and potential safety hazard to enterprise.Therefore, how effectively to detect the conveyer band discerption accident and become one of technical barrier of mass transport application urgent need solution.
Chinese patent CN 2223736Y has designed and has counted the vertical anti-tear detecting device of elongated intelligence transport tape take long principle as the basis.The vertical anti-tear checking system of this load-transfer device load-transfer device the most easily tear the position below pre-buried coil detector magnetic test coil state is set, its shortcoming is: if impaired coil is to begin to tear in distance pre-buried coil detector farthest, only have by the time this coil just can be detected when belt movement is above the pre-buried coil detector, be difficult to guarantee in time find to tear, bring very large trouble to production.Its shortcoming also is: the electrical equipments such as the pre-buried coil detector of the vertical anti-tear checking system of this load-transfer device, cross complaint computing machine, annunciator, motor switch can only connect by cable, at some complex topographic area cable layings, difficult in maintenance, suitable limitation is arranged.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of Intelligent wireless detecting system for longitudinal tearing of conveying belts is provided, is a kind of actv. load-transfer device longitudinal tear Intelligent Measurement scheme based on the ZigBee wireless module.
According to technical scheme provided by the invention, described Intelligent wireless detecting system for longitudinal tearing of conveying belts comprises: exterior antenna, be embedded in many groups inside antenna and ZigBee module in load-transfer device, described exterior antenna is connected with the load-transfer device motor, lay along load-transfer device, the power end of each ZigBee module connects one or one group of inside antenna; When the load-transfer device motor works, described exterior antenna is transformed into electromagnetic energy with the electric energy that transmits, send continuously the electromagnetic signal of characteristic frequency, inside antenna is transformed into electric signal with the electromagnetic signal that described exterior antenna sends, for the ZigBee module provides power line voltage; Described ZigBee module stores and superior control center send the load-transfer device information that comprises the load-transfer device Position Number.
Described exterior antenna is by the bracing frame bracketing, and support frame as described above is fixed on the frame of load-transfer device.
When being powered by inside antenna, described ZigBee module stores the portion of energy that inside antenna transmits, ZigBee module records load-transfer device Position Number, date manufactured, and the normal operation duration of load-transfer device, and send to higher level control center.
When load-transfer device generation longitudinal tear; described inside antenna can damage; described ZigBee module is by the energy power supply of storage; damage time of new record inside antenna more; produce alerting signal and shutdown signal, and the normal operation duration, the inside antenna that send load-transfer device Position Number, date manufactured, load-transfer device damage time, alerting signal and shutdown signal to higher level control center.
Described ZigBee module is the film-shaped structure.
Described exterior antenna is the cable of an overall linear structure, or comprises several miniature antennas.
Advantage of the present invention is: response rapidly, strong, the efficient stable of accurate positioning, antijamming capability, can effectively solve and tear untimely and each equipment connection cable laying of fault detection, the deficiency such as difficult in maintenance in prior art, be a kind of easy load-transfer device longitudinal tear intelligent wireless detection scheme.
Description of drawings
Fig. 1 is system architecture schematic diagram of the present invention.
Fig. 2 is the second mounting means schematic diagram of exterior antenna.
Fig. 3 is the example structure figure of system of the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, the present invention includes exterior antenna 1, be embedded in many groups inside antenna 2 and ZigBee module 3 in load-transfer device, described exterior antenna 1 is connected with the load-transfer device motor, lays along load-transfer device, and the power end of each ZigBee module 3 connects one or one group of inside antenna 2.The ZigBee module 3 that is embedded in load-transfer device has film-shaped structure and good elasticity, can be because of folding Natural Damage, these ZigBee module 3 storage inside modules are used for recording load-transfer device Position Number, date manufactured, and load-transfer device adds up to work the effective informations such as duration, damage time.When the load-transfer device motor works, described exterior antenna 1 is transformed into electromagnetic energy with the electric energy that transmits, send continuously the electromagnetic signal of characteristic frequency, inside antenna 2 is transformed into electric signal with the electromagnetic signal that described exterior antenna 1 sends, for ZigBee module 3 provides power line voltage; 3 storages of described ZigBee module and the higher level control center in Fig. 36 send the load-transfer device information that comprises the load-transfer device Position Number.
Exterior antenna 1 shown in Figure 1 is the cable of an overall linear structure, is arranged on bracing frame 4, and bracing frame 4 is fixed on band conveyor frame 5, and is easy for installation.
As shown in Figure 2, exterior antenna 1 can also be comprised of several miniature antennas, is arranged on respectively on bracing frame, is fixed on band conveyor frame 5.In order to guarantee that the conveying scene does not exist electromagnetic signal blind area, the effective range scope of each miniature antenna (the first miniature antenna effective range scope 1.1, the second miniature antenna effective range scope 1.2, the 3rd miniature antenna effective range scope 1.3 ...) in conveyor zones, interruption can not be arranged.
As shown in Figure 3, exterior antenna 1 cable is connected with load-transfer device motor 9, the omnidistance laying.When 9 normal operation of load-transfer device motor, exterior antenna 1 can send the electromagnetic signal of characteristic frequency continuously, and belt of belt conveyor is placed in a huge magnetic field fully; When load-transfer device motor 9 quit work, cable stopped sending electromagnetic signal.Higher level control center 6 is connected with appliance computer 7, and appliance computer 7 is connected with warning device 8.
Described higher level control center 6 can be single-chip computer control system, can be also the PLC control system, be arranged on carry on-the-spot near or be arranged in Control Room, be connected with appliance computer 7, support wired and wireless two kinds of signalling methodss.Described appliance computer 7, warning device 8 are arranged in Control Room, and appliance computer 7 has good man-machine interface, can provide the monitor message of the forms such as image, word for the monitoring management personnel, and annunciator has sound and light warning dual mode.
Principle of work of the present invention is: be embedded in inside antenna 2 magnetic field environment that externally antenna 1 provides in load-transfer device, constantly do the cutting magnetic induction line motion with load-transfer device.When belt body was not torn, inside antenna 2 loops activation produced electromotive force, for ZigBee module 3 provides power line voltage.When belt body was torn, inside antenna 2 loops disconnections no longer produced electromotive force, do not provide power line voltage for ZigBee module 3.
The ZigBee module 3 that is embedded in load-transfer device has two kinds of mode of operation, has film-shaped structure and good elasticity, can be because of folding Natural Damage.This module also has certain electric charge energy storage capacity, can store the portion of energy that inside antenna 2 transmits.After inside antenna 2 was torn disconnection, the quantity of electric charge of storage can be powered for ZigBee module 3 temporarily, guaranteed that ZigBee module 3 can in time record, send belt conveyor and tear information, improves system reliability.Two kinds of mode of operation of this ZigBee module 3 are as follows:
Mode of operation one is by inside antenna 2 power supplies, the portion of energy of stored antenna transmission simultaneously.ZigBee module records load-transfer device Position Number, date manufactured, upgrade accumulative total load-transfer device normal operation duration, and send to higher level control center 6.
Mode of operation two; when inside antenna 2 damages; by the 3 storage inside energy power supplies of ZigBee module; record the 3 damage times of inside antenna; produce alerting signal and shutdown signal; send load-transfer device Position Number, date manufactured, accumulative total load-transfer device normal operation duration, damage time, alerting signal and shutdown signal effective information are to higher level control center 6.
This system works step is as follows:
(1) belt conveyer electric motor starting, the exterior antenna 1 that is attached thereto is started working, and constantly outwards sends the electromagnetic signal of characteristic frequency.
(2) load-transfer device normal operation, with the certain speed motion, the inside antenna 2 that is embedded in load-transfer device is done cutting magnetic induction line motion generation electro-motive force.
(3) inside antenna 2 is that ZigBee module 3 is powered continuously, and the ZigBee module 3 that is embedded in load-transfer device is activated by electricity, enters mode of operation one, and load-transfer device Position Number, date manufactured are recorded in initialization, the portion of energy of stored antenna transmission simultaneously.
(4) load-transfer device is torn fault, and inside antenna 2 loops disconnections no longer produce electromotive force, and ZigBee module 3 enters mode of operation two, by the power supply of storage inside energy, records the 2 damage times of inside antenna, produces alerting signal and shutdown signal.
(5) ZigBee module 3 sends load-transfer device Position Numbers, date manufactured, and accumulative total load-transfer device normal operation duration, damage time, alerting signal and shutdown signal effective information are to higher level control center 6.
(6) higher level control center 6 feeds back to appliance computer 7 with the information that receives in step (5) and shows, and opens warning immediately, and the order belt conveyer is shut down maintenance.
On the basis of above-described embodiment, the modules such as this intelligent checking system can also extended temperature detection, weight detecting, the detection of skidding, in this three kinds of detecting devices access higher level control center 6, consist of the load-transfer device comprehensive monitor system that a cover is completed together with load-transfer device longitudinal tear intelligent wireless detection scheme of the present invention.
Claims (5)
1. Intelligent wireless detecting system for longitudinal tearing of conveying belts, it is characterized in that: comprise exterior antenna (1), be embedded in many groups inside antenna (2) and ZigBee module (3) in load-transfer device, described exterior antenna (1) is connected with the load-transfer device motor, lay along load-transfer device, the power end of each ZigBee module (3) connects one or one group of inside antenna (2); When the load-transfer device motor works, described exterior antenna (1) is transformed into electromagnetic energy with the electric energy that transmits, send continuously the electromagnetic signal of characteristic frequency, inside antenna (2) is transformed into electric signal with the electromagnetic signal that described exterior antenna (1) sends, for ZigBee module (3) provides power line voltage; Described ZigBee module (3) storage and superior control center (6) send the load-transfer device information that comprises the load-transfer device Position Number;
When being powered by inside antenna (2), described ZigBee module (3) stores the portion of energy that inside antenna (2) transmits, ZigBee module records load-transfer device Position Number, date manufactured, the normal operation duration of load-transfer device, and send to higher level control center (6);
When load-transfer device generation longitudinal tear; described inside antenna (2) can damage; described ZigBee module (3) is by the energy power supply of storage; damage time of new record inside antenna (2) more; produce alerting signal and shutdown signal, and the normal operation duration, inside antenna (2) damage time, alerting signal and the shutdown signal that send load-transfer device Position Number, date manufactured, load-transfer device are to higher level control center (6).
2. Intelligent wireless detecting system for longitudinal tearing of conveying belts as claimed in claim 1, is characterized in that, described exterior antenna (1) is by bracing frame (4) bracketing, and support frame as described above (4) is fixed on the frame (5) of load-transfer device.
3. Intelligent wireless detecting system for longitudinal tearing of conveying belts as claimed in claim 1, is characterized in that, described ZigBee module (3) is the film-shaped structure.
4. Intelligent wireless detecting system for longitudinal tearing of conveying belts as claimed in claim 1, is characterized in that, described exterior antenna (1) is the cable of an overall linear structure.
5. Intelligent wireless detecting system for longitudinal tearing of conveying belts as claimed in claim 1, is characterized in that, described exterior antenna (1) comprises several miniature antennas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110361188 CN102491069B (en) | 2011-11-15 | 2011-11-15 | Intelligent wireless detecting system for longitudinal tearing of conveying belts |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110361188 CN102491069B (en) | 2011-11-15 | 2011-11-15 | Intelligent wireless detecting system for longitudinal tearing of conveying belts |
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| CN102491069A CN102491069A (en) | 2012-06-13 |
| CN102491069B true CN102491069B (en) | 2013-06-12 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105947598A (en) * | 2016-07-01 | 2016-09-21 | 陈魏魏 | Vibration early warning device for heavy-duty conveyer belt |
| CN108689107A (en) * | 2018-06-21 | 2018-10-23 | 平顶山学院 | Conveyer belt based on RFID and wireless charging and its detection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223736Y (en) * | 1993-11-18 | 1996-04-03 | 青岛建筑工程学院 | Detecting and controlling device for longitudinal leakage of conveying belt |
| CN1392091A (en) * | 2002-07-30 | 2003-01-22 | 武汉大学 | Real time monitor for conveyer belt failure |
| CN101504383A (en) * | 2009-03-24 | 2009-08-12 | 徐俊峰 | Monitoring device for belt tearing |
| CN101704446A (en) * | 2008-08-04 | 2010-05-12 | 维扬斯科技公司 | Sensor system for a conveyor belt |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100515134B1 (en) * | 2003-07-29 | 2005-09-16 | (주)제일시스템 | Industrial machanism for wire/sireless control emergency stop system |
| KR20090124876A (en) * | 2008-05-30 | 2009-12-03 | 순천대학교 산학협력단 | Pull cord switch detecting system with zigbee technology |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223736Y (en) * | 1993-11-18 | 1996-04-03 | 青岛建筑工程学院 | Detecting and controlling device for longitudinal leakage of conveying belt |
| CN1392091A (en) * | 2002-07-30 | 2003-01-22 | 武汉大学 | Real time monitor for conveyer belt failure |
| CN101704446A (en) * | 2008-08-04 | 2010-05-12 | 维扬斯科技公司 | Sensor system for a conveyor belt |
| CN101504383A (en) * | 2009-03-24 | 2009-08-12 | 徐俊峰 | Monitoring device for belt tearing |
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