CN212899832U - Valve and regulation and control system with same - Google Patents
Valve and regulation and control system with same Download PDFInfo
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- CN212899832U CN212899832U CN202021161771.6U CN202021161771U CN212899832U CN 212899832 U CN212899832 U CN 212899832U CN 202021161771 U CN202021161771 U CN 202021161771U CN 212899832 U CN212899832 U CN 212899832U
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- fiber grating
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- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims description 42
- 230000000903 blocking effect Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 3
- 238000000605 extraction Methods 0.000 description 12
- 238000005065 mining Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a valve and regulation and control system who has this valve connect on the pipeline, along the length direction of pipeline is formed with the lumen, include: the valve body is internally provided with a valve cavity which is communicated with the pipe cavity; the valve core is rotatably connected in the tube cavity, the valve core separates the tube cavity to form a first tube side and a second tube side, and a through hole penetrating through the valve core in the radial direction is formed in the valve core; the valve rod is rotatably arranged in the valve cavity, one end of the valve rod is connected with the valve core, and the other end of the valve rod extends out of the valve body; the sealing ring is sleeved on the valve rod, and the outer contour surface of the sealing ring abuts against the inner wall of the valve cavity; and the driving device is connected to one end, extending out of the valve body, of the valve rod and is used for driving the valve rod to rotate between a first position and a second position so as to regulate and control the flow of the through hole.
Description
Technical Field
The utility model relates to a valving field especially relates to a be applied to valve of mine gas drainage pipeline and the regulation and control system that has this valve.
Background
With the development of the mining industry, deep mining is imperative, the mining of the well workers in China reaches 92 percent, the average underground mining depth reaches 600m and extends downwards at the speed of 20-25m per year, the gas content is gradually increased along with the increase of the mining depth, and a large amount of gas is discharged along with coal mining.
The main component of gas under mine is methane (CH)4) The gas extraction device is clean energy, is important industrial raw material and daily gas for life, has the greenhouse effect when gas is exhausted into the atmosphere, pollutes the environment and wastes precious resources, and meanwhile, the gas concentration is too low, so that the safety of a gas pipeline is also damaged, and how to improve the gas concentration, improve the extraction speed and increase the extraction content is an urgent problem to be solved before the door.
Disclosure of Invention
The utility model aims to solve one of the problems existing in the prior art, and an object of the utility model is to provide a valve which can improve the gas extraction efficiency and the gas extraction purity, and has simple structure and high reliability;
another object of the present invention is to provide a control system having the above valve.
In order to achieve the above object, the present invention provides a valve connected to a pipe, along the length direction of the pipe is formed with a pipe cavity, including:
the valve body is internally provided with a valve cavity which is communicated with the pipe cavity;
the valve core is rotatably connected in the tube cavity, the valve core separates the tube cavity to form a first tube side and a second tube side, and a through hole penetrating through the valve core in the radial direction is formed in the valve core;
the valve rod is rotatably arranged in the valve cavity, one end of the valve rod is connected with the valve core, and the other end of the valve rod extends out of the valve body;
the sealing ring is sleeved on the valve rod, and the outer contour surface of the sealing ring abuts against the inner wall of the valve cavity;
the driving device is connected to one end, extending out of the valve body, of the valve rod and is used for driving the valve rod to rotate between a first position and a second position so as to regulate and control the flow of the through hole;
when the valve rod is in a first position, the through hole is not communicated with the tube cavity; when the valve rod is located at the second position, the through hole is communicated with the pipe cavity, and the flow of the through hole reaches the maximum.
In the technical scheme, the flow of the through hole is reasonably opened and closed according to the gas concentration, namely when the gas concentration is higher, the valve rod is driven to rotate through the driving device, so that the valve core is driven to rotate to increase the flow of the through hole; when the gas concentration is lower, the valve rod is driven to rotate through the driving device, so that the valve core is driven to rotate to reduce the flow of the through hole. The valve can improve the gas extraction efficiency, improves the gas extraction purity, and has the advantages of simple structure and high reliability.
Additionally, according to the utility model discloses a pipeline valve regulates and control device can also have following technical characteristic:
in one example of the present invention, the,
and a first blocking piece and a second blocking piece which extend in the direction deviating from the valve rod direction are formed along the length direction of the valve rod, and the sealing ring is limited between the first blocking piece and the second blocking piece.
In one example of the present invention, the,
the first and/or second catch is removably coupled with the valve stem.
In one example of the present invention, the,
the first blocking piece and/or the second blocking piece are/is in threaded connection with the valve rod.
In one example of the present invention, the,
the driving device includes:
a wrench fixedly coupled to the valve stem for driving the valve stem between a first position and a second position.
In one example of the present invention, the,
the driving device includes:
and the output end of the driving shifting piece is fixedly connected with the valve rod and used for driving the valve rod to move between a first position and a second position.
In one example of the present invention, the,
a concave groove is formed at the upper end of the valve core;
a bulge is formed at the lower end of the valve rod;
the projection is adapted to engage within the recess.
According to the utility model discloses a regulation and control system of second aspect includes:
the above-mentioned valve;
the fiber bragg grating is arranged in the tube cavity on the second tube side of the pipeline and used for sensing the air flow and the gas concentration in the tube cavity;
the fiber grating demodulator is coupled with one end of the fiber grating demodulator;
the computer is coupled with the other end of the fiber grating demodulator, and the valve is coupled with the computer;
wherein the gas in the pipeline flows from the first pipe side to the second pipe side.
In one example of the present invention, the,
further comprising:
a pressure sensor adapted to be coupled to the computer for monitoring and feeding back pressure values within the pipeline to the computer.
In one example of the present invention, the,
the fiber grating includes:
the air flow fiber grating is used for sensing the air flow in the pipeline;
the gas concentration fiber grating is used for sensing the gas concentration in the pipeline;
the air flow fiber grating and the gas concentration fiber grating are coupled with the fiber grating demodulator through a coupler.
The following description of the preferred embodiments of the present invention will be made in detail with reference to the accompanying drawings, so that the features and advantages of the invention can be easily understood.
Drawings
Fig. 1 is a front view of a valve according to an embodiment of the present invention;
fig. 2 is a top view of a valve according to an embodiment of the present invention;
fig. 3 is a perspective view of a valve according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a regulation system according to an embodiment of the present invention.
Reference numerals:
a regulation system 200;
a valve 100;
a pipe 10;
a lumen 11;
a first tube side 101;
a second tube side 102;
a valve body 20;
a valve chamber 21;
a valve core 30;
a through hole 31;
a concave groove 32;
a valve stem 40;
a first stopper piece 41;
a second flap 42;
a projection 43;
a seal ring 50;
a drive device 60;
a wrench 61;
a drive paddle 62;
a fiber grating 110;
an air flow fiber grating 111;
a gas concentration fiber grating 112;
a fiber grating demodulator 120;
a computer 130;
a pressure sensor 140;
a coupler 150.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
According to the utility model discloses a valve 100, as shown in fig. 1 to 3, connect on pipeline 10, along the length direction of pipeline 10 is formed with lumen 11, include:
a valve body 20, wherein a valve cavity 21 is defined in the valve body 20, and the valve cavity 21 is communicated with the tube cavity 11; a valve body 20 is formed on the pipe 10, and one end of a valve cavity 21 is communicated with the pipe cavity 11, and the other end is opened; for example, the valve body 20 may be detachably connected to the pipe 10.
A valve core 30, wherein the valve core 30 is rotatably connected in the cavity 11, the valve core 30 separates the cavity 11 to form a first pipe side 101 and a second pipe side 102, and a through hole 31 penetrating through the valve core 30 in the radial direction is formed on the valve core 30; specifically, the first pipe side 101 and the second pipe side 102 in the lumen 11 can be isolated and the first pipe side 101 and the second pipe side 102 can be communicated by rotating the spool 30.
The valve rod 40 is rotatably arranged in the valve cavity 21, one end of the valve rod 40 is connected with the valve core 30, the other end of the valve rod 40 extends out of the valve body 20, the valve core 30 can be conveniently operated by arranging the valve rod 40, and the valve core 30 rotates around the central axis of the valve rod 40.
The sealing ring 50 is sleeved on the valve rod 40, the outer contour surface of the sealing ring 50 abuts against the inner wall of the valve cavity 21, and the gas in the tube cavity 11 can be prevented from overflowing from the valve cavity 21 by the sealing ring 50.
The driving device 60 is connected to one end, extending out of the valve body 20, of the valve rod 40, and is used for driving the valve rod 40 to rotate between a first position and a second position so as to regulate and control the flow of the through hole 31;
when the valve rod 40 is in the first position, the through hole 31 is not communicated with the lumen 11; when the valve rod 40 is at the second position, the through hole 31 is communicated with the tube cavity 11, and the flow of the through hole 31 reaches the maximum.
The flow of the through hole 31 is reasonably opened and closed according to the gas concentration, namely when the gas concentration is higher, the valve rod 40 is driven to rotate through the driving device 60, so that the valve core 30 is driven to rotate to increase the flow of the through hole 31; when the gas concentration is low, the valve rod 40 is driven to rotate by the driving device 60, so that the valve core 30 is driven to rotate to reduce the flow of the through hole 31. The valve 100 can improve the gas extraction efficiency and the gas extraction purity, and is simple in structure and high in reliability.
In one example of the present invention, the,
a first stopper 41 and a second stopper 42 extending away from the valve stem 40 are formed along the length of the valve stem 40, and the seal ring 50 is defined between the first stopper 41 and the second stopper 42;
this allows the position of the sealing ring 50 to be defined, so that the tightness of the valve chamber 21 is increased.
In one example of the present invention, the,
the first flap 41 and/or the second flap 42 are detachably coupled to the valve stem 40.
Specifically, the first blocking piece 41 and/or the second blocking piece 42 are coupled to the valve rod 40 by a screw thread, for example, the first blocking piece 41 at the upper end of the valve rod 40 is connected to the valve rod 40 by a screw thread, and the second blocking piece 42 is fixed to the lower end of the valve rod 40 by welding, which can facilitate the installation of the valve 100.
In one example of the present invention, the,
the driving device 60 includes:
a wrench 61, wherein the wrench 61 is fixedly coupled to the valve stem 40 for driving the valve stem 40 to move between a first position and a second position;
specifically, the wrench 61 is provided with a mounting hole, and the mounting hole is matched with the valve rod 40, so that the degree of freedom in the circumferential direction of the wrench 61 is limited, for example, the mounting hole may be a rectangular hole, and the cross section of the end of the valve rod 40 matched with the mounting hole is also rectangular; that is, the flow rate of the valve 100 can be manually operated by the wrench 61.
In one example of the present invention, the,
the driving device 60 includes:
an output end of the drive paddle 62 is fixedly coupled to the valve stem 40 for driving the valve stem 40 between a first position and a second position;
that is, the valve stem 40 can be driven to rotate at a prescribed angle by driving the paddle 62.
In one example of the present invention, the,
a concave groove 32 is formed at the upper end of the valve core 30;
a protrusion 43 is formed at the lower end of the valve rod 40;
said projection 43 being adapted to engage within said groove 32;
the valve rod 40 can drive the valve core 30 to rotate through the structure so as to realize the flow control of the through hole 31 of the valve core 30.
A regulation system 200 according to the second aspect of the present invention, as shown in fig. 4, includes:
the valve 100 described above;
the fiber grating 110 is arranged in the lumen 11 of the second tube side 102 of the pipeline 10 and is used for sensing the air flow and the gas concentration in the lumen 11;
a fiber grating demodulator 120, one end of the fiber grating demodulator 120 being coupled to the fiber grating 110;
a computer 130, the computer 130 is coupled to the other end of the fiber grating demodulator 120, and the valve 100 is adapted to be coupled to the computer 130, that is, the driving device 60 on the valve 100 is coupled to the computer 130 through the fiber grating demodulator 120, so as to facilitate the control of the valve 100 by the computer 130;
wherein, the gas flow direction in the pipeline 10 is from the first pipe side 101 to the second pipe side 102;
specifically, the fiber bragg grating 110 monitors gas concentration information and air flow information in the lumen 11 of the pipeline 10, the gas concentration information and the air flow information are transmitted to the fiber bragg grating demodulator 120, the fiber bragg grating demodulator 120 uploads a demodulated signal to the computer 130, and the computer 130 controls the driving device 60 to rotate by a corresponding angle according to the gas concentration information and the air flow information, that is, when the gas concentration is high, the driving device 60 drives the valve rod 40 to rotate, so that the valve core 30 is driven to rotate to increase the flow of the through hole 31; when the gas concentration is low, the valve rod 40 is driven to rotate by the driving device 60, so that the valve core 30 is driven to rotate to reduce the flow of the through hole 31. The gas concentration is high, the through hole is increased, the gas concentration is reduced, the through hole is reduced, and the extraction speed is increased; the regulation and control system 200 can improve the gas extraction efficiency and the gas extraction purity, and has simple structure and high reliability;
in one example of the present invention, the,
further comprising:
a pressure sensor 140, wherein the pressure sensor 140 is coupled to the computer 130, and is used for monitoring the pressure value in the pipeline 10 and feeding back the pressure value to the computer 130;
the pressure in the pipe 10 is monitored by the pressure sensor 140, and the flow rate of the valve 100 is controlled by the computer 130, for example, when the pressure in the pipe 10 is higher, the flow rate of the through hole 31 can be increased.
In one example of the present invention, the,
the fiber grating 110 includes:
an air flow rate fiber grating 111 for sensing the air flow rate in the duct 10;
a gas concentration fiber grating 112 for sensing the gas concentration in the pipeline 10;
wherein, the air flow fiber grating 111 and the gas concentration fiber grating 112 are coupled to the fiber grating demodulator 120 through a coupler 150;
because the fiber grating 110 has the advantages of high sensitivity and accurate measurement, the air flow and the gas concentration in the pipeline 10 can be effectively detected through the fiber grating 110.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Those skilled in the art will appreciate that various features of the various embodiments of the invention described hereinabove may be omitted, added to, or combined in any manner accordingly. Moreover, the simple transformation and the solution of adapting and functional structure transformation to the prior art, which can be thought of by those skilled in the art, all belong to the protection scope of the present invention.
While the invention has been shown and described with reference to various embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. A valve attached to a pipe (10) and having a lumen (11) formed along a length of the pipe (10), comprising:
a valve body (20), a valve cavity (21) is defined in the valve body (20), and the valve cavity (21) is communicated with the tube cavity (11);
the valve core (30), the valve core (30) is rotatably connected in the tube cavity (11), the valve core (30) separates the tube cavity (11) to form a first tube side (101) and a second tube side (102), and a through hole (31) penetrating through the valve core (30) in the radial direction is formed on the valve core (30);
the valve rod (40) is rotatably arranged in the valve cavity (21), one end of the valve rod (40) is connected with the valve core (30), and the other end of the valve rod (40) extends out of the valve body (20);
the sealing ring (50) is sleeved on the valve rod (40), and the outer contour surface of the sealing ring (50) abuts against the inner wall of the valve cavity (21);
the driving device (60) is connected to one end, extending out of the valve body (20), of the valve rod (40), and is used for driving the valve rod (40) to rotate between a first position and a second position so as to regulate and control the flow of the through hole (31);
when the valve rod (40) is in the first position, the through hole (31) is not communicated with the tube cavity (11); when the valve rod (40) is at the second position, the through hole (31) is communicated with the tube cavity (11), and the flow of the through hole (31) reaches the maximum.
2. The valve of claim 1,
a first blocking piece (41) and a second blocking piece (42) extending away from the valve rod (40) are formed along the length direction of the valve rod (40), and the sealing ring (50) is limited between the first blocking piece (41) and the second blocking piece (42).
3. The valve of claim 2,
the first flap (41) and/or the second flap (42) is detachably coupled with the valve stem (40).
4. The valve of claim 3,
the first flap (41) and/or the second flap (42) is/are coupled to the valve rod (40) by means of a screw thread.
5. The valve of claim 1,
the drive device (60) comprises:
a wrench (61), the wrench (61) being fixedly coupled to the valve stem (40) for driving the valve stem (40) between a first position and a second position.
6. The valve of claim 1,
the drive device (60) comprises:
a drive paddle (62), an output end of the drive paddle (62) being fixedly coupled to the valve stem (40) for driving the valve stem (40) between a first position and a second position.
7. The valve of claim 1,
a concave groove (32) is formed at the upper end of the valve core (30);
a bulge (43) is formed at the lower end of the valve rod (40);
the projection (43) is adapted to engage within the recess (32).
8. A regulatory system, comprising:
the valve (100) of any one of claims 1 to 7;
the fiber bragg grating (110) is arranged in the tube cavity (11) on the second tube side (102) of the pipeline (10) and is used for sensing the air flow and the gas concentration in the tube cavity (11);
a fiber grating demodulator (120), wherein one end of the fiber grating demodulator (120) is coupled with the fiber grating (110);
a computer (130), wherein the computer (130) is coupled to the other end of the fiber grating demodulator (120), and the valve (100) is adapted to be coupled to the computer (130);
wherein the gas flow in the conduit (10) is from the first tube side (101) to the second tube side (102).
9. The regulatory system of claim 8,
further comprising:
a pressure sensor (140), the pressure sensor (140) coupled to the computer (130) for monitoring a pressure value within the pipeline (10) and feeding back to the computer (130).
10. The regulatory system of claim 8,
the fiber grating (110) includes:
an air flow fiber grating (111) for sensing the air flow in the duct (10);
the gas concentration fiber grating (112) is used for sensing the gas concentration in the pipeline (10);
wherein the air flow fiber grating (111) and the gas concentration fiber grating (112) are coupled with the fiber grating demodulator (120) through a coupler (150).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021161771.6U CN212899832U (en) | 2020-06-19 | 2020-06-19 | Valve and regulation and control system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021161771.6U CN212899832U (en) | 2020-06-19 | 2020-06-19 | Valve and regulation and control system with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899832U true CN212899832U (en) | 2021-04-06 |
Family
ID=75279138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021161771.6U Active CN212899832U (en) | 2020-06-19 | 2020-06-19 | Valve and regulation and control system with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212899832U (en) |
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2020
- 2020-06-19 CN CN202021161771.6U patent/CN212899832U/en active Active
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