CN201943734U - Intelligent local ventilating system - Google Patents
Intelligent local ventilating system Download PDFInfo
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- CN201943734U CN201943734U CN 201020680991 CN201020680991U CN201943734U CN 201943734 U CN201943734 U CN 201943734U CN 201020680991 CN201020680991 CN 201020680991 CN 201020680991 U CN201020680991 U CN 201020680991U CN 201943734 U CN201943734 U CN 201943734U
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Abstract
The utility model belongs to a field ventilation technique, in particular to an intelligent local ventilating system applied to the underground of mines. The intelligent local ventilating system comprises a local ventilator, a speed adjusting device and a sensor or an underground signal monitoring system, wherein the local ventilating system is a switched reluctance local ventilator; the speed adjusting device is an intelligent speed adjusting device and comprises a power filter, a contactor, a switched reluctance controller, a programmable logic controller PLC control system 1, an intrinsically safe isolation circuit and a transformer; and the sensor is a gas, temperature and wind speed sensor, and the sensor or the underground signal monitoring system is connected with the programmable logic controller PLC control system 1 through the intrinsically safe isolation circuit. Compared with the prior art, the intelligent local ventilating system has simple structure, low electromagnetic interference, high system efficiency and long service life, can run reliably, is convenient to maintain, and can realize intelligent speed adjustment.
Description
Technical field
The utility model belongs to the place aeration technology, particularly relates to a kind of intelligent local ventilation system that is applied to the down-hole, mine.
Background technology
At present, the local ventilation system under the mine generally all uses common electric machine, in case put into operation, booster forms the phenomenon of so-called " cancelling all things together " just with nominal air delivery and blast operation.This ventilation system can not rationally be controlled the discharge rate of gas often, may cause the partial section gas exceeding limit, brings unsafe factor.In order to guarantee safety, the selection of the local ventilation acc power of this system, guarantee the policy setting that normal oxygen uptake of personnel and gas density do not transfinite during usually according to longest distance, therefore select power generally bigger than normal, when the tunnelling degree of depth is more shallow, the phenomenon that low load with strong power will occur causes serious waste of energy.
The ventilation system of the mode of domestic existing employing intelligent switch+frequency converter+frequency conversion booster, for example, number of patent application is 200820158995.4, name is called: the utility model patent of intelligent local ventilation system, this patent disclosure the intelligent local ventilation system that air quantity is automatically adjusted and automaticallyes switch according to gas density, there is following shortcoming in this patent:
What 1, the governing system of this patent adopted is ac variable frequency speed regulation, because AC frequency conversion controller operating frequency height, its reliability of operation is low, application life short, and is strong to the electromagnetic interference of environment;
2, this patent adopts is multistage to revolving booster, and its complex structure, drafting efficiency are low;
What 3, this patent adopted is frequency converter and the design of booster integral type, though saved the space, extremely inconvenient when maintenance of equipment, it is time-consuming to require great effort, and advances face and rings overall operation.
Because the defective that above-mentioned existing local ventilation system exists, the design people in the hope of founding a kind of novel intelligent local ventilation system, is made it have more practicality through actively studying innovation.
The utility model content
Main purpose of the present utility model is, overcome the defective that existing local ventilation system exists, provide a kind of simple in structure, reliable, be convenient to the maintenance, electromagnetic interference is little, system effectiveness is high, long service life, can realize the intelligent local ventilation system of intelligent speed-regulating.
For achieving the above object, the technical scheme that adopted of the utility model technical solution problem is:
A kind of intelligent local ventilation system comprises: booster, arrangements for speed regulation and sensor or underground signal monitoring system:
Described booster is the switching magnetic-resistance booster;
Described arrangements for speed regulation are the intelligent speed-regulating device, comprise power-supply filter, contactor, the switching magnetic-resistance controller, programmable logic controller (PLC) PLC control system 1, intrinsic safety buffer circuit and transformer, external power source connects with described power-supply filter by cable, power-supply filter connects with described transformer and described contactor by cable, contactor connects with described switching magnetic-resistance controller by cable, the switching magnetic-resistance controller connects with the switching magnetic-resistance booster by cable, described programmable logic controller (PLC) PLC control system 1 respectively with the switching magnetic-resistance controller, contactor, transformer and intrinsic safety buffer circuit connect, and described programmable logic controller (PLC) PLC control system 1 is equipped with control, display floater 1 and audible-visual annunciator 1;
Described sensor is gas, temperature, air velocity transducer, and described gas, temperature, air velocity transducer connect with programmable logic controller (PLC) PLC control system 1 by the intrinsic safety buffer circuit; Or described underground signal monitoring system connects with programmable logic controller (PLC) PLC control system 1 by the intrinsic safety buffer circuit.
Above-mentioned intelligent local ventilation system also comprises supervising device, described supervising device comprises programmable logic controller (PLC) PLC control system 2, described supervising device is equipped with control, display floater 2, communication module and the audible-visual annunciator 2 that is connected with programmable logic controller (PLC) PLC control system 2, described communication module connects the upper level monitoring system, and described supervising device connects with described programmable logic controller (PLC) PLC control system 1.
Described switching magnetic-resistance booster adopts two shaft type switched reluctance machines that go out, describedly two go out the shaft type switched reluctance machines and be installed in described switching magnetic-resistance booster main body air duct cross section central authorities, the described pair of two ends that go out the shaft type switched reluctance machines respectively are provided with a typhoon machine rotor, and two typhoon machine rotors rotate in the same way.
Described contactor is an AC vacuum contactor.
Described intelligent speed-regulating device also comprises the arrangements for speed regulation cabinet, described power-supply filter, contactor, switching magnetic-resistance controller, programmable logic controller (PLC) PLC control system, intrinsic safety buffer circuit and transformer are installed in the cabinet of arrangements for speed regulation cabinet, and described arrangements for speed regulation cabinet is provided with cooling system.
Described cooling system comprises the heat pipe at the cabinet rear portion that is located at the arrangements for speed regulation cabinet, is with fin on the heat pipe, and IGBT is installed on the substrate of heat pipe, and the cooling blower that opposite heat tube forces cooling is equipped with on the top of heat pipe.
Described intelligent local ventilation system is provided with main system and two systems of back-up system, described main system and back-up system are independently of one another, and have structure, the identical switching magnetic-resistance booster of function, intelligent speed-regulating device and gas, temperature, air velocity transducer separately, the programmable logic controller (PLC) PLC control system 1 in the intelligent speed-regulating device of described main system and back-up system connects mutually.
Described intelligent local ventilation system is provided with main system and two systems of back-up system, described main system and back-up system are independently of one another, and have structure, the identical switching magnetic-resistance booster of function, intelligent speed-regulating device and gas, temperature, air velocity transducer separately, programmable logic controller (PLC) PLC control system 1 in the intelligent speed-regulating device of described main system and back-up system connects mutually, and connects with described supervising device respectively.
Compared with prior art, the utlity model has following tangible advantage and beneficial effect:
1, the utility model is the local ventilation system that adopts switched reluctance machines to drive, have system reliability height, system effectiveness height, long service life, low to the electromagnetic interference of electrical network and external environment condition, speed adjusting performance stable, when starting to the electrical network non-impact current, advantage such as the response time is fast;
2, the switching magnetic-resistance booster adopts two shaft type switched reluctance machines that go out, and a typhoon machine rotor is respectively settled at the switched reluctance machines two ends, and two fan rotors rotate in the same way, have simplified the complexity of system, have reduced cost; Twoly go out the shaft type switched reluctance machines and be installed in described switching magnetic-resistance booster main body air duct cross section central authorities, utilize that blower fan self is distinguished and admirable forces cooling to switched reluctance machines, improved reliability.
3, intelligent speed-regulating device switching magnetic-resistance controller adopts the mode of heat pipe forced air cooling, has improved system reliability;
4, gas, wind speed, temperature pick up connect with the intelligent speed-regulating device, the data of being gathered are carried out analyzing and processing by the programmable logic controller (PLC) PLC control system 1 that the intrinsic safety buffer circuit in the intelligent speed-regulating device sends to, system can carry out air quantity according to gas density and regulate, promptly can guarantee wind supply quantity to development end, realized energy-conservationly again, improved system effectiveness greatly;
5, can carry out online modification to discharge quantity of fan by man-machine interface;
6, being set up in parallel and being coupled to each other of main system and back-up system can realize the automatic switchover between the main preparation system, switches to back-up system during the main system fault and continues operation, improved ventilation system reliability of operation and safety;
7, have the System self-test function, the test of automaticallying switch every day, and write down the running status file for future examination automatically;
8, the system failure is gradable, and what severity was high switches, and can give aboveground monitoring system with state transfer;
9, system can carry out stepless speed regulation, by the software setting, makes system can escape the range of instability of rotation speed of fan automatically, enters the stable region operation.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of manual, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1: intelligent local ventilation system schematic diagram.
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment of the present utility model describe in detail as after.
Embodiment 1:
Referring to Fig. 1, the intelligent local ventilation system of embodiment 1 comprises: switching magnetic-resistance booster, intelligent speed-regulating device, sensor or underground signal monitoring system, sensor and underground signal monitoring system are substitutional relation, the signal of handling can be from sensor, also can be from the underground signal monitoring system.
The intelligent speed-regulating device comprises power-supply filter, contactor, the switching magnetic-resistance controller, programmable logic controller (PLC) PLC control system 1, intrinsic safety buffer circuit and transformer, external power source connects with power-supply filter by cable, power-supply filter connects with contactor by cable, contactor adopts AC vacuum contactor, AC vacuum contactor connects with the switching magnetic-resistance controller by cable, the switching magnetic-resistance controller connects with the switching magnetic-resistance booster by cable, programmed logic controller PLC control system 1 respectively with the switching magnetic-resistance controller, AC vacuum contactor connects, sensor external or downhole monitoring system also connect with programmable logic controller (PLC) PLC control system 1 by the intrinsic safety buffer circuit, and programmable logic controller (PLC) PLC control system 1 is equipped with control, display floater 1 and audible-visual annunciator 1;
Be provided with cooling system in the intelligent speed-regulating device, cooling system is equipped with heat pipe and cooling blower, adopts heat pipe forced air cooling mode.Concrete, the intelligent speed-regulating device also comprises the arrangements for speed regulation cabinet, power-supply filter, contactor, switching magnetic-resistance controller, programmable logic controller (PLC) PLC control system 1, intrinsic safety buffer circuit and transformer are installed in the cabinet of arrangements for speed regulation cabinet, cabinet rear portion at the arrangements for speed regulation cabinet is provided with heat pipe, be with fin on the heat pipe, IGBT is installed on the substrate of heat pipe, and the cooling blower that opposite heat tube forces cooling is equipped with on the top of heat pipe.
The switching magnetic-resistance booster adopts switched reluctance machines, and switched reluctance machines adopts two shaft modes, and a typhoon machine rotor is respectively settled at the two ends of motor, and two fan rotors rotate in the same way.Switched reluctance machines is installed in switching magnetic-resistance booster main body air duct cross section central authorities.
Sensor is respectively to fire damp concentration, temperature, wind speed is monitored, its signal of gathering is sent in the programmable logic controller (PLC) PLC control system 1 by the intrinsic safety buffer circuit, the preferred model of kernel control chip of programmable logic controller (PLC) PLC control system 1 is the s7-200 type programmable logic controller (PLC) PLC of Siemens Company, programmable logic controller PLC control system 1 is according to the analyzing and processing to signal data, output control signals to the switching magnetic-resistance controller according to analysis result then, the control signal that the switching magnetic-resistance controller sends according to programmable logic controller (PLC) PLC control system 1 is to the speed regulating control of switched reluctance machines; Programmable logic controller (PLC) PLC control system 1 is exported lock between air and electricity, gas electric locking signal according to gas density situation and ventilation situation to the outside simultaneously.The programmable logic controller (PLC) PLC of S7-200 type has 2 RS-485 communication ports, and one is used for and the connecting of switching magnetic-resistance controller, and realizes the monitoring to the switching magnetic-resistance controller, and another is used for connecting with display screen.
Two shaft modes are adopted in described switching magnetic-resistance local ventilation, and a typhoon machine rotor is respectively settled at the motor two ends, and two fan rotors rotate in the same way, have simplified blower fan structure.Switched reluctance machines is installed in switching magnetic-resistance booster main body air duct cross section central authorities, utilize blower fan self distinguished and admirable to switched reluctance machines force the cooling, improved reliability.
Embodiment 2:
The intelligent local ventilation system of embodiment 2 comprises: switching magnetic-resistance booster, intelligent speed-regulating device, supervising device, sensor or underground signal monitoring system constitute.
Supervising device is provided with control, display floater 2, communication module and audible-visual annunciator 2.The kernel control chip of the core control part programmable logic controller (PLC) PLC control system 2 of supervising device adopts the programmable logic controller (PLC) PLC of the S7-200 type of Siemens Company equally.Supervising device connects by control line with the intelligent speed-regulating device, 2 RS-485 communication ports of the programmable logic controller (PLC) PLC of the S7-200 type in the intelligent speed-regulating device, a monitoring that is used for the switching magnetic-resistance controller, another then is used for connecting with 485 communication ports of the programmable logic controller (PLC) PLC of supervising device.With reference to Fig. 1, all the other are identical with embodiment 1.
Embodiment 3:
The intelligent local ventilation system of embodiment 3 comprises main system and two systems of back-up system, main system and back-up system are independently of one another, and have structure, the identical switching magnetic-resistance booster of function, intelligent speed-regulating device and gas, temperature, air velocity transducer separately, the programmable logic controller (PLC) PLC control system 1 in the intelligent speed-regulating device of main system and back-up system connects mutually.See Fig. 1, all the other are identical with embodiment 1.
Embodiment 4:
The intelligent local ventilation system of embodiment 4 comprises main system and two systems of back-up system, main system and back-up system are independently of one another, and have structure, the identical switching magnetic-resistance booster of function, intelligent speed-regulating device and gas, temperature, air velocity transducer separately, the programmable logic controller (PLC) PLC control system 1 in the intelligent speed-regulating device of main system and back-up system connects mutually.Increase a supervising device at two system's upper levels.Supervising device is provided with control, display floater and audible-visual annunciator.Also adopt the programmable logic controller (PLC) PLC of the S7-200 type of Siemens Company in the supervising device.Supervising device connects by control line with the intelligent speed-regulating device.Two RS-485 communication ports of the programmable logic controller (PLC) PLC of the S7-200 type in two systems in the intelligent speed-regulating device, a monitoring that is used for the switching magnetic-resistance controller, another then is used for connecting with 485 communication ports of the programmable logic controller (PLC) PLC control system 2 of supervising device.See Fig. 1, all the other are identical with embodiment 1.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. intelligent local ventilation system, comprising: booster, arrangements for speed regulation and sensor or underground signal monitoring system is characterized in that:
Described booster is the switching magnetic-resistance booster;
Described arrangements for speed regulation are the intelligent speed-regulating device, comprise power-supply filter, contactor, the switching magnetic-resistance controller, programmable logic controller (PLC) PLC control system 1, intrinsic safety buffer circuit and transformer, external power source connects with described power-supply filter by cable, power-supply filter connects with described transformer and described contactor by cable, contactor connects with described switching magnetic-resistance controller by cable, the switching magnetic-resistance controller connects with the switching magnetic-resistance booster by cable, described programmable logic controller (PLC) PLC control system 1 respectively with the switching magnetic-resistance controller, contactor, transformer and intrinsic safety buffer circuit connect, and described programmable logic controller (PLC) PLC control system 1 is equipped with control, display floater 1 and audible-visual annunciator 1;
Described sensor is gas, temperature, air velocity transducer, and described gas, temperature, air velocity transducer connect with programmable logic controller (PLC) PLC control system 1 by the intrinsic safety buffer circuit; Or described underground signal monitoring system connects with programmable logic controller (PLC) PLC control system 1 by the intrinsic safety buffer circuit.
2. a kind of intelligent local ventilation system according to claim 1, it is characterized in that: also comprise supervising device, described supervising device comprises programmable logic controller (PLC) PLC control system 2, described supervising device is equipped with control, display floater 2, communication module and the audible-visual annunciator 2 that is connected with programmable logic controller (PLC) PLC control system 2, described communication module connects the upper level monitoring system, and described supervising device connects with described programmable logic controller (PLC) PLC control system 1.
3. a kind of intelligent local ventilation system according to claim 2, it is characterized in that: described switching magnetic-resistance booster adopts two shaft type switched reluctance machines that go out, describedly two go out the shaft type switched reluctance machines and be installed in described switching magnetic-resistance booster main body air duct cross section central authorities, the described pair of two ends that go out the shaft type switched reluctance machines respectively are provided with a typhoon machine rotor, and two typhoon machine rotors rotate in the same way.
4. a kind of intelligent local ventilation system according to claim 2 is characterized in that: described contactor is an AC vacuum contactor.
5. a kind of intelligent local ventilation system according to claim 2, it is characterized in that: described intelligent speed-regulating device also comprises the arrangements for speed regulation cabinet, described power-supply filter, contactor, switching magnetic-resistance controller, programmable logic controller (PLC) PLC control system 1, intrinsic safety buffer circuit and transformer are installed in the cabinet of arrangements for speed regulation cabinet, and described arrangements for speed regulation cabinet is provided with cooling system.
6. a kind of intelligent local ventilation system according to claim 5, it is characterized in that: described cooling system comprises the heat pipe at the cabinet rear portion that is located at the arrangements for speed regulation cabinet, be with fin on the heat pipe, IGBT is installed on the substrate of heat pipe, and the cooling blower that opposite heat tube forces cooling is equipped with on the top of heat pipe.
7. a kind of intelligent local ventilation system according to claim 1, it is characterized in that: described intelligent local ventilation system is provided with main system and two systems of back-up system, described main system and back-up system are independently of one another, and have structure, the identical switching magnetic-resistance booster of function, intelligent speed-regulating device and gas, temperature, air velocity transducer separately, the programmable logic controller (PLC) PLC control system 1 in the intelligent speed-regulating device of described main system and back-up system connects mutually.
8. a kind of intelligent local ventilation system according to claim 2, it is characterized in that: described intelligent local ventilation system is provided with main system and two systems of back-up system, described main system and back-up system are independently of one another, and have structure, the identical switching magnetic-resistance booster of function, intelligent speed-regulating device and gas, temperature, air velocity transducer separately, programmable logic controller (PLC) PLC control system 1 in the intelligent speed-regulating device of described main system and back-up system connects mutually, and connects with described supervising device respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020680991 CN201943734U (en) | 2010-12-24 | 2010-12-24 | Intelligent local ventilating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020680991 CN201943734U (en) | 2010-12-24 | 2010-12-24 | Intelligent local ventilating system |
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| CN201943734U true CN201943734U (en) | 2011-08-24 |
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| CN 201020680991 Expired - Fee Related CN201943734U (en) | 2010-12-24 | 2010-12-24 | Intelligent local ventilating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536295A (en) * | 2010-12-24 | 2012-07-04 | 山西潞安环保能源开发股份有限公司 | Intelligent local ventilation system |
| CN102704979A (en) * | 2012-05-29 | 2012-10-03 | 孟志强 | Intelligent ventilation management system for coal mine |
| CN107489456A (en) * | 2017-08-21 | 2017-12-19 | 叶军 | A kind of gas monitor based on Programmable logical controller |
-
2010
- 2010-12-24 CN CN 201020680991 patent/CN201943734U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536295A (en) * | 2010-12-24 | 2012-07-04 | 山西潞安环保能源开发股份有限公司 | Intelligent local ventilation system |
| CN102536295B (en) * | 2010-12-24 | 2014-04-02 | 山西潞安环保能源开发股份有限公司 | Intelligent local ventilation system |
| CN102704979A (en) * | 2012-05-29 | 2012-10-03 | 孟志强 | Intelligent ventilation management system for coal mine |
| CN102704979B (en) * | 2012-05-29 | 2015-03-18 | 河北工程大学 | Intelligent ventilation management system for coal mine |
| CN107489456A (en) * | 2017-08-21 | 2017-12-19 | 叶军 | A kind of gas monitor based on Programmable logical controller |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20151224 |
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| EXPY | Termination of patent right or utility model |