CN202360145U - Real-time monitoring device for gob pressure - Google Patents
Real-time monitoring device for gob pressure Download PDFInfo
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- CN202360145U CN202360145U CN2011204856605U CN201120485660U CN202360145U CN 202360145 U CN202360145 U CN 202360145U CN 2011204856605 U CN2011204856605 U CN 2011204856605U CN 201120485660 U CN201120485660 U CN 201120485660U CN 202360145 U CN202360145 U CN 202360145U
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- pressure sensor
- egr
- pressure
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- positive pressure
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 16
- 238000004891 communication Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to a real-time monitoring device for gob pressure, which comprises an observation pipe portion, pressure sensors, a monitoring substation and a ground host. The observation pipe portion comprises an observation pipe, reducing joints, a multi-way communication valve and rubber hoses. The pressure sensors include a positive pressure sensor and a negative pressure sensor. One end of the observation pipe is inserted into a gob. A second end of the observation pipe, the reducing joints and the multi-way communication valve are connected in sequence. An output end of the multi-way communication valve is respectively connected with an input end of the positive pressure sensor and an input end of the negative pressure sensor. An output end of the positive pressure sensor, an output end of the negative pressure sensor, the monitoring substation and the ground host are connected in sequence. The real-time monitoring device for gob pressure can be used for real-time monitoring of gob pressure, and the problem that in the prior art, the gob pressure under manual intermittent monitoring changes with ground climate and underground environment is solved.
Description
Technical field
The utility model relates to the real-time monitoring device of pressure in a kind of goaf.
Background technology
Terrestrial climate and subsurface environment exert an influence to the pressure in the goaf usually, and especially the gas in the goaf receives influence of atmosphere pressure comparatively obvious, if the generation that big variation all possibly cause accident in the goaf takes place for terrestrial climate or subsurface environment.Therefore, need change the pressure in the goaf and monitor, check terrestrial climate and subsurface environment the situation that influences pressure in the goaf.
At present, after the sealing of goaf, lean on manual work to check airtight air-out and air intake, do like this and can only observe a time point, and can not reflect that pressure is with the situation of change of ground weather and subsurface environment in the continuous goaf through U type pipe.
The utility model content
The utility model provides the real-time monitoring device of pressure in a kind of goaf; Purpose is the real-time monitoring that realizes pressure in the goaf, with the problem of the pressure in the artificial discontinuous monitoring goaf in the solution prior art with ground weather and subsurface environment situation of change.
In order to achieve the above object, the utility model provides the real-time monitoring device of pressure in a kind of goaf, and said device comprises observation tube part, pressure sensor, outstation and ground host; Said observation tube partly comprises an observation tube, two change heads, a multichannel communicating valve and two rubber tubes; Said pressure sensor comprises a positive pressure sensor and a B/P EGR Back Pressure Transducer EGR; Said two change heads comprise that one first becomes head and one second change head;
Wherein, First end of said observation tube is inserted in the goaf through the hole of fire dam; Second end becomes head through first successively and the second change head is connected with the input of multichannel communicating valve, and the output of this multichannel communicating valve links to each other with the input of said positive pressure sensor and B/P EGR Back Pressure Transducer EGR through rubber tube respectively; The output of positive pressure sensor and B/P EGR Back Pressure Transducer EGR is connected with the input of outstation respectively, and the output of outstation links to each other with ground host.
As preferred embodiment, said multichannel communicating valve is a three way cock;
Wherein, two of three way cock outputs link to each other with the input of said positive pressure sensor and B/P EGR Back Pressure Transducer EGR through rubber tube respectively.
As preferred embodiment, said device also comprises gas concentration sensor;
Wherein, The output of said multichannel communicating valve links to each other with the input of said positive pressure sensor, B/P EGR Back Pressure Transducer EGR and gas concentration sensor through rubber tube respectively, and the output of positive pressure sensor, B/P EGR Back Pressure Transducer EGR and gas concentration sensor is connected with the input of outstation respectively.
As preferred embodiment, said multichannel communicating valve is a cross valve;
Wherein, three of cross valve outputs link to each other with the input of said positive pressure sensor, B/P EGR Back Pressure Transducer EGR and gas concentration sensor through rubber tube respectively.
As preferred embodiment, it is characterized in that said observation tube is a copper material.
As preferred embodiment, it is characterized in that the model of said outstation is KJF16B.
Can find out from technique scheme; The real-time monitoring device of pressure comprises observation tube part, pressure sensor, outstation and ground host in the goaf in the utility model, and wherein said observation tube part also comprises observation tube, becomes head, multichannel communicating valve and rubber tube; Said pressure sensor also comprises positive pressure sensor and B/P EGR Back Pressure Transducer EGR.First end of said observation tube is inserted in the goaf, and its second end, change head are connected with the multichannel communicating valve successively, and the output of this multichannel communicating valve links to each other with the input of said positive pressure sensor and B/P EGR Back Pressure Transducer EGR respectively; Output, outstation and the ground host of positive pressure sensor and B/P EGR Back Pressure Transducer EGR link to each other successively again.When the pressure in the goaf during greater than the external world; Positive pressure sensor works, and when the pressure in the goaf during less than the external world, B/P EGR Back Pressure Transducer EGR works; Collect data and calculating through outstation again; Be reflected on the ground host then, thereby realized real-time monitoring, solved in the prior art in the artificial discontinuous monitoring goaf pressure with the problem of ground weather and subsurface environment situation of change to pressure in the goaf.
Description of drawings
Fig. 1 is the sketch map of a kind of embodiment of the real-time monitoring device of pressure in the goaf in the utility model;
Fig. 2 is the sketch map of the another kind of embodiment of the real-time monitoring device of pressure in the goaf in the utility model.
The specific embodiment
Following with reference to accompanying drawing, the specific embodiment that develops simultaneously is elaborated to the real-time monitoring device of pressure in the goaf of the utility model.
The real-time monitoring device of pressure comprises observation tube part, pressure sensor, outstation 30 and ground host 40 in the goaf among the embodiment of the utility model; Wherein outstation 30 and ground host 40 and the communication between them all are prior aries, and the model of outstation 30 is KJF16B; Said observation tube part comprises that also an observation tube 11, two become head, a three way cock 131 and two rubber tubes 14, and wherein observation tube 11 is copper materials; Said pressure sensor comprises a positive pressure sensor 21 and a B/P EGR Back Pressure Transducer EGR 22; Said change head comprises that one first becomes 121 and one second changes 122.
As shown in Figure 1; First end of observation tube 11 is inserted in the goaf 5 through the hole of fire dam 6; Second end becomes 121 and second through first successively and becomes 122 and be connected with first end of three way cock 131, and the other two ends of three way cock 131 are passed through rubber tube 14 respectively and linked to each other with the input of positive pressure sensor 21 and B/P EGR Back Pressure Transducer EGR 22; The output of positive pressure sensor 21 and B/P EGR Back Pressure Transducer EGR 22 is connected with two inputs of outstation 30 respectively, and the output of outstation 30 links to each other with ground host 40.
During work, when the pressure in the goaf 5 during greater than the external world, positive pressure sensor 21 works, and when the pressure in the goaf 5 during less than the external world, B/P EGR Back Pressure Transducer EGR 22 works, and collects data through outstation 30 again and calculates, and is reflected to then on the ground host 40.Can carry out any big or small alarming value setting to malleation in the goaf 5 or vacuum magnitude, therefore can be provided with at any time, automatic reminding function is arranged according to administrative staff's requirement.When the changing value of pressure occurs can utilizing hand inspection pernicious gas number of times when unusual, guarantee to find at once and to handle when pernicious gas gathers.
Through to the real-time monitoring of pressure differential and recording occurring continuously and with terrestrial climate condition and the contrast of subsurface environment condition; Analyze terrestrial climate condition and subsurface environment condition the situation that influences, and sum up the various situations of change of goaf under ectocine pressure in the goaf.
Utilize existing monitoring and controlling system equipment and transmission system,, can realize that field data uploads in the ground-based server in real time with the seamless link of safety monitoring monitoring system.Owing to all utilize above-mentioned seamless link, so extensibility is strong, utilize the KJ95N system sensor or the sensor of joint inspection with it, can monitor the inside and outside multiple parameter in goaf in real time.
Another embodiment of the utility model and the difference of a last embodiment be also to comprise gas concentration sensor 23, an other rubber tube 14 and change three way cock 131 into cross valve 132, other assembly and model, shape and size etc. all with a last embodiment in identical.
As shown in Figure 2; The annexation of each assembly is with the difference of a last embodiment: observation tube 11 becomes 121 through first successively and is connected with first end of cross valve 132 with second change 122; Other three ends of cross valve 132 link to each other with the input of gas concentration sensor 23 with positive pressure sensor 21, B/P EGR Back Pressure Transducer EGR 22 through rubber tube 14 respectively, and the output of gas concentration sensor 23 is connected with the input of outstation 30 equally.
Present embodiment has increased gas concentration sensor 23 on the basis of a last embodiment; Not only realized real-time monitoring to pressure in the goaf 5; Simultaneously in real time in the monitoring goaf 5 like the change in concentration of gas, thereby strengthened the performance of the real-time monitoring device in the utility model.
Can find out from top description; Through using the pressure real-time monitoring device in the utility model to realize real-time monitoring, solved in the prior art in the artificial discontinuous monitoring goaf pressure with the problem of ground weather and subsurface environment situation of change to pressure in the goaf.
Claims (6)
1. the real-time monitoring device of pressure in the goaf is characterized in that said device comprises observation tube part, pressure sensor, outstation and ground host; Said observation tube partly comprises an observation tube, two change heads, a multichannel communicating valve and two rubber tubes; Said pressure sensor comprises a positive pressure sensor and a B/P EGR Back Pressure Transducer EGR; Said two change heads comprise that one first becomes head and one second change head;
Wherein, First end of said observation tube is inserted in the goaf through the hole of fire dam; Second end becomes head through first successively and the second change head is connected with the input of multichannel communicating valve, and the output of this multichannel communicating valve links to each other with the input of said positive pressure sensor and B/P EGR Back Pressure Transducer EGR through rubber tube respectively; The output of positive pressure sensor and B/P EGR Back Pressure Transducer EGR is connected with the input of outstation respectively, and the output of outstation links to each other with ground host.
2. device according to claim 1 is characterized in that, said multichannel communicating valve is a three way cock;
Wherein, two of three way cock outputs link to each other with the input of said positive pressure sensor and B/P EGR Back Pressure Transducer EGR through rubber tube respectively.
3. device according to claim 1 is characterized in that said device also comprises gas concentration sensor;
Wherein, The output of said multichannel communicating valve links to each other with the input of said positive pressure sensor, B/P EGR Back Pressure Transducer EGR and gas concentration sensor through rubber tube respectively, and the output of positive pressure sensor, B/P EGR Back Pressure Transducer EGR and gas concentration sensor is connected with the input of outstation respectively.
4. device according to claim 3 is characterized in that, said multichannel communicating valve is a cross valve;
Wherein, three of cross valve outputs link to each other with the input of said positive pressure sensor, B/P EGR Back Pressure Transducer EGR and gas concentration sensor through rubber tube respectively.
5. according to each described device among the claim 1-4, it is characterized in that said observation tube is a copper material.
6. according to each described device among the claim 1-4, it is characterized in that the model of said outstation is KJF16B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204856605U CN202360145U (en) | 2011-11-29 | 2011-11-29 | Real-time monitoring device for gob pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204856605U CN202360145U (en) | 2011-11-29 | 2011-11-29 | Real-time monitoring device for gob pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202360145U true CN202360145U (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204856605U Expired - Lifetime CN202360145U (en) | 2011-11-29 | 2011-11-29 | Real-time monitoring device for gob pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202360145U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180033A (en) * | 2017-11-30 | 2018-06-19 | 中国矿业大学(北京) | A kind of closed goaf gas discharges automatic control technique and equipment |
| CN110307030A (en) * | 2019-06-15 | 2019-10-08 | 龙口矿业集团有限公司 | Bury high tensile steel tube method in a kind of unitized production work face goaf |
-
2011
- 2011-11-29 CN CN2011204856605U patent/CN202360145U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180033A (en) * | 2017-11-30 | 2018-06-19 | 中国矿业大学(北京) | A kind of closed goaf gas discharges automatic control technique and equipment |
| CN108180033B (en) * | 2017-11-30 | 2020-05-15 | 中国矿业大学(北京) | Automatic regulating and controlling equipment for gas release in closed goaf |
| CN110307030A (en) * | 2019-06-15 | 2019-10-08 | 龙口矿业集团有限公司 | Bury high tensile steel tube method in a kind of unitized production work face goaf |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |