CN204713887U - A kind of belt conveyer safety system - Google Patents
A kind of belt conveyer safety system Download PDFInfo
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- CN204713887U CN204713887U CN201520414096.6U CN201520414096U CN204713887U CN 204713887 U CN204713887 U CN 204713887U CN 201520414096 U CN201520414096 U CN 201520414096U CN 204713887 U CN204713887 U CN 204713887U
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- safe load
- belt conveyer
- switch
- safety system
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Abstract
The utility model provides a kind of belt conveyer safety system, comprises cabinet, Profibus-DP bus, PLC module, gateway module, Safety output module, Channel generator, control line, some safe load modules, hand-held device.PLC module, gateway module, Safety output module and Channel generator are installed in cabinet; Described PLC module is connected by Profibus-DP bus with between gateway module; Described gateway module, Safety output module, Channel generator and safe load module are in parallel by control line; Pull switch and/or deviation switch are installed on load-transfer device both sides; Described safe load module is installed in pull switch and/or deviation switch, and described hand-held device is used for the geocoding to safe load module.The utility model compact conformation, antijamming capability is strong, and cost is low.
Description
Technical field
The utility model relates to belt conveyer technical field, especially relates to a kind of belt conveyer safety system.
Background technology
At present, belt conveyer is widely used in the fields such as electric power, iron and steel, coal, water conservancy, chemical industry, metallurgy, building materials.And the requisite part that is system of the safety guard in belt conveyor system, vital effect is played to the normal operation of belt conveyer and the safety of personnel.But along with the development of belt conveying towards more and more longer distance, the fender guard of enterprise to routine is had higher requirement, such as: require that pull switch and deviation switch need possess geocoding function.The scheme that current most of producers adopt be the control circuit board of protection switch inside using micro controller system as monitoring host computer, in micro controller system, embed geocoding function, by parallel bus mode between protection switch, transmit signals to PLC system.But this mode exists transmission distance short (generally, needing to add repeater more than 3km), wiring is complicated, and the problem such as be easily interfered.
Summary of the invention
For solving the problem; the utility model provides a kind of belt conveyer safety system; comprise cabinet, Profibus-DP bus, PLC module, gateway module, Safety output module, Channel generator, control line, some safe load modules, hand-held device, its tectonic relationship is:
PLC module, gateway module, Safety output module and Channel generator are installed in cabinet; Described PLC module is connected by Profibus-DP bus with between gateway module; Described gateway module, Safety output module, Channel generator and safe load module are in parallel by control line; Pull switch and/or deviation switch are installed on load-transfer device both sides; Described safe load module is installed in pull switch and/or deviation switch,
Described hand-held device is used for the geocoding to safe load module.
Further, mounted in pairs after pull switch keeps at a certain distance away along transport tape, deviation switch transport tape distance end to end a distance respectively install two right.
Further, control line is two core control lines.
Further, control line is two core KVVP control lines.
Further, described safe load module has two communication ports.
Further, every two install a safe load module to common pull switch or deviation switch, as a geocoding.
Compared with prior art, the beneficial effects of the utility model are:
1, above configuration is adopted, whole piece belt conveyer only need adopt 12 core universal shield line to pass address coding signals all for scene back PLC system along the line, longest distance can reach 7kM(most variations and only reach 3kM), and without the need to increasing repeater, saved cost greatly.
2, due to using 2 to common pull switch or deviation switch as a geocoding, but not each is as geocoding, has both met the functional requirement of actual address coding, has again reduced cost.
3, the safe load module that whole piece belt conveyer is all along the line, the direct current 7V provided by gateway module powers, and antijamming capability is strong.
Accompanying drawing explanation
Fig. 1 is configuration connection diagram of the present utility model.
Fig. 2 is an embodiment schematic diagram of the present utility model.
Mark in figure: 1, PLC module, 2, Profibus-DP bus, 3, cabinet, 4, gateway module, 5, Safety output module, 6, Channel generator control line, 7, control line, 8, safe load module, 9, pull switch or deviation switch, 10, hand-held device.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the utility model comprises PLC module 1, Profibus-DP bus 2, cabinet 3, gateway module 4, Safety output module 5, Channel generator 6, control line 7, some safe load modules 8, hand-held device 10.Its tectonic relationship is:
Described PLC module 1, gateway module 4, Safety output module 5 and Channel generator 6 are installed in same cabinet 3; Described PLC module 1 is connected by Profibus-DP bus 2 with between gateway module 4; Described gateway module 4, Safety output module 5, Channel generator 6 and safe load module 8 are in parallel by control line 7; Pull switch and/or deviation switch 9 are installed on load-transfer device both sides; Described safe load module 8 is installed in pull switch and/or deviation switch 9.
Described hand-held device 10 is for the geocoding to safe load module 8.
The input power of described gateway module 4, Safety output module 5 and Channel generator 6 is alternating current 220V, and the power supply that gateway module 4 exports is direct current 7V.
The function of described gateway module 4 is that the data transfer collected is become field bus protocol, to realize the data transmission between PLC module.
The function of described Channel generator 6 is for other modules provide carrier signal, to realize the intercommunication mutually of each intermodule.
The function of described safe load module 8 is signal conditions of collection site switch.Described safe load module 8 has two communication ports, when a path deterioration, can change to another one passage, normally runs to maintain system.
The function of described Safety output module 5 monitors signal condition and the address of safe load module, and detection line running state.
Preferably; pull switch is along transport tape interval 30-50 rice mounted in pairs, and deviation switch locates each installation a pair end to end at transport tape, distance other a pair of 30 meters of each installations in end to end; to realize the seamless protection to whole piece transport tape, for the safe operation of whole system is given security.
Preferably, control line 7 is two core lines, and more excellent is two core KVVP control lines.Two core control lines are both as the power lead of safe load module 8, again as signal wire (SW), very convenient.
The explanation of specific embodiment is carried out for Fig. 2.The present embodiment is 7200 meters of belt conveyers, arranges 1 pair of pull switch along the line every 50 meters, and 144 is right altogether.2 pairs of deviation switchs are respectively arranged in 30 meters, interval end to end.Adopt the present embodiment, 2 pairs of pull switches are defined as an address, 1 piece of safe load module are installed and carry out geocoding, amount to 72 pieces of safe load modules.2 pairs of deviation switchs are defined as an address, 1 piece of safe load module are installed and carry out geocoding, amount to 2 pieces of safe load modules.Namely whole system designs 74 pieces of safe load modules altogether.PLC module 1, gateway module 4, Safety output module 5 and Channel generator 6 are all installed in cabinet 3, get alternating current 220V power supply in cabinet 3 as working power; Be connected by Profibus-DP bus 2 between gateway module 4 with PLC module 1, carry out Signal transmissions; Gateway module 4 exports the power supply of direct current 7V power supply as safe load module 8 along the line, and meanwhile, this power supply, also as the signal of safe load module 8, namely can judge the whether action of on-the-spot protection switch by detecting the break-make of safe load module 8 power supply; The all safe load modules 8 in gateway module 4, Safety output module 5, Channel generator 6 and scene are all in parallel, are connected by 2 core KVVP control lines.After signal wiring completes, scene carries out channel setting by hand-held device 10 to each safe load module 8, simultaneously location coding.After all setting, PLC program reads site address encoding state, thus realizes the monitoring to scene protection on off state.
Compared with prior art, the beneficial effects of the utility model are:
1, above configuration is adopted, whole piece belt conveyer only need adopt 12 core universal shield line to pass address coding signals all for scene back PLC system along the line, longest distance can reach 7kM(most variations and only reach 3kM), and without the need to increasing repeater, saved cost greatly.
2, due to using 2 to common pull switch or deviation switch as a geocoding, but not each is as geocoding, has both met the functional requirement of actual address coding, has again reduced cost.
3, the safe load module that whole piece belt conveyer is all along the line, the direct current 7V provided by gateway module powers, and antijamming capability is strong.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a belt conveyer safety system; it is characterized in that; comprise cabinet, Profibus-DP bus, PLC module, gateway module, Safety output module, Channel generator, control line, some safe load modules, hand-held device, its tectonic relationship is:
PLC module, gateway module, Safety output module and Channel generator are installed in cabinet; Described PLC module is connected by Profibus-DP bus with between gateway module; Described gateway module, Safety output module, Channel generator and safe load module are in parallel by control line; Pull switch and/or deviation switch are installed on load-transfer device both sides; Described safe load module is installed in pull switch and/or deviation switch;
Described hand-held device is used for the geocoding to safe load module.
2. belt conveyer safety system as claimed in claim 1, it is characterized in that, pull switch is along transport tape interval 30 ~ 50m mounted in pairs; Deviation switch locates each installation a pair end to end at transport tape, distance other a pair of 30 meters of each installations in end to end.
3. belt conveyer safety system as claimed in claim 1, it is characterized in that, control line is two core control lines.
4. belt conveyer safety system as claimed in claim 3, it is characterized in that, control line is two core KVVP control lines.
5. belt conveyer safety system as claimed in claim 1, described safe load module has two communication ports.
6. the belt conveyer safety system as described in any one of claim 1 ~ 5, is characterized in that: every two install a safe load module to common pull switch or deviation switch, as a geocoding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520414096.6U CN204713887U (en) | 2015-06-16 | 2015-06-16 | A kind of belt conveyer safety system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520414096.6U CN204713887U (en) | 2015-06-16 | 2015-06-16 | A kind of belt conveyer safety system |
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| CN204713887U true CN204713887U (en) | 2015-10-21 |
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| CN201520414096.6U Active CN204713887U (en) | 2015-06-16 | 2015-06-16 | A kind of belt conveyer safety system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927220A (en) * | 2017-03-29 | 2017-07-07 | 天奇自动化工程股份有限公司 | A kind of safety device of assembly shop production line |
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2015
- 2015-06-16 CN CN201520414096.6U patent/CN204713887U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927220A (en) * | 2017-03-29 | 2017-07-07 | 天奇自动化工程股份有限公司 | A kind of safety device of assembly shop production line |
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