CN212868683U - Pneumatic valve control device for mixing extremely-low-concentration gas - Google Patents
Pneumatic valve control device for mixing extremely-low-concentration gas Download PDFInfo
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- CN212868683U CN212868683U CN202021476633.7U CN202021476633U CN212868683U CN 212868683 U CN212868683 U CN 212868683U CN 202021476633 U CN202021476633 U CN 202021476633U CN 212868683 U CN212868683 U CN 212868683U
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- angle controller
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- valve
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Abstract
The utility model relates to a control device of an extremely low concentration gas blending pneumatic valve, belonging to the field of gas pipeline valves; the pneumatic butterfly valve control device is used for a mixing and shunting pipeline of the gas with extremely low concentration; the technical scheme is as follows: the pneumatic valve control device for mixing the extremely-low-concentration gas comprises: an electromagnetic pneumatic valve and an angle controller; the electromagnetically operated valve includes: the valve body, the rotating middle shaft, the cylinder and the electromagnetic valve; the rotary middle shaft penetrates through the pipe wall of the upper portion of the valve body, an air cylinder is arranged on the upper portion of the rotary middle shaft and pushes the rotary middle shaft to rotate, an air inlet pipe and an air outlet pipe of the air cylinder are communicated with the electromagnetic valve, an angle controller is fixed between the valve body and the air cylinder and penetrates through the angle controller, the rotary middle shaft can rotate relative to the angle controller, and the angle controller is used for clamping the rotary middle shaft to prevent the rotary middle shaft from rotating.
Description
Technical Field
The utility model relates to an extremely low concentration gas mixes pneumatic valve controlling means belongs to gas pipeline valve field.
Background
The extremely-low-concentration gas mixing system required by the ventilation air methane oxidation power station is used for mixing extracted gas conveyed from a coal mine and ventilation gas of the coal mine so as to meet the requirement of extremely-low-concentration gas with the methane content of 1.2% required by the ventilation air methane oxidation process. Before a gas pipeline conveyed from a coal mine enters a mixing device, the pipe diameter of the gas pipeline of the coal mine needs to be converged and then divided due to the pipe diameter limitation of an explosion-blocking device, an explosion-suppressing device and an explosion-venting device which can be adopted at present.
The pneumatic butterfly valve is arranged on the shunt pipeline, in order to improve the safety, in the multi-path (even number) pneumatic valve, as long as one path of pneumatic valve is not opened to a position signal, the conveying system can delay 3s to interrupt conveying, thereby increasing the signal interruption probability,
the multi-path pneumatic valves are grouped in pairs, only two pneumatic valves in each group are not opened to a position signal, the system can stop conveying, and according to research, after the pneumatic valves are opened, the pneumatic valves are influenced by pipeline airflow, and the valve cores have the condition of micro rotation, so that the condition that the signals of the detection sensors are unstable is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a pneumatic butterfly valve controlling means for extremely low concentration gas mixing reposition of redundant personnel pipeline.
In order to achieve the technical purpose, the utility model provides a technical scheme does:
the pneumatic valve control device for mixing the extremely-low-concentration gas comprises: an electromagnetic pneumatic valve and an angle controller;
the electromagnetically operated valve includes: the valve body, the rotating middle shaft, the cylinder and the electromagnetic valve; the rotating middle shaft penetrates through the pipe wall of the upper part of the valve body, the upper part of the rotating middle shaft is provided with an air cylinder, the air cylinder pushes the rotating middle shaft to rotate, an air inlet pipe and an air outlet pipe of the air cylinder are both communicated with the electromagnetic valve,
an angle controller is fixed between the valve body and the air cylinder, the rotating middle shaft penetrates through the angle controller, the rotating middle shaft can rotate relative to the angle controller, and the angle controller is used for clamping the rotating middle shaft to prevent the rotating middle shaft from rotating.
And a convex block is fixed on the side surface of the rotating middle shaft.
The angle controller and the protruding block are positioned on the same horizontal plane.
The angle controller includes the chucking part, the chucking part has a plurality ofly, and is a plurality of the chucking part uses the rotation axis as the center and is the annular and be fixed in on the valve body, the chucking part includes: the clamping device comprises a clamping shell, an electromagnet, a magnet, a check rod and a return spring; the chucking shell is towards rotating axis one side open-ended tubular structure, chucking shell one end is fixed with the electro-magnet, the chucking shell internalization is provided with the non return rod, the non return rod is located chucking shell internalization one end and is fixed with magnet, chucking shell open end is fixed with the anticreep ring, is provided with the anticreep arch on the non return rod that is located the chucking shell, the anticreep arch can prevent that the non return rod from droing in the chucking shell, the cover is equipped with reset spring on the non return rod between anticreep ring and the anticreep arch.
And a shielding shell is fixed outside the plurality of clamping parts.
The angle controller also comprises a control part, wherein the control part comprises a single chip microcomputer, a control switch and a power supply; the control switch includes triode Q, the anodal output of power is series resistance R1, certain electromagnet coil and triode Q collecting electrode in proper order, the IO pin of singlechip is series resistance R2, diode D and triode Q base in proper order, triode Q projecting pole ground connection.
The power supply includes: a switching power supply module and an MS1117-3.3 chip; switch power module input and AC220V power connection, be connected with the In pin of MS1117-3.3 chip behind the switching power supply positive output series connection diode D1, the In pin tie point of diode D1 and MS1117-3.3 chip still is connected with electric capacity C16 one end, the TAB pin and the Out pin of MS1117-3.3 chip are connected the back and are connected respectively with electric capacity C17's one end, electric capacity C18's one end and inductance coils L2's one end and are connected, inductance coils L2 other end and electric capacity C19 one end are connected, inductance coils L2 and electric capacity C19 link are power supply positive output, the other end of electric capacity C16, the other end of electric capacity C17, the electric capacity C18 other end, the electric capacity C19 other end and the GND pin and the switching power supply negative output of MS1117-3.3 chip are connected and ground simultaneously.
The single chip microcomputer is connected with a PLC for controlling the operation of the pneumatic valve through a serial port.
Compared with the prior art, the utility model following beneficial effect has:
one, the utility model discloses an angle controller can rotate the position back at the rotation axis of case, and angle controller operation will rotate the axis card and die, prevents that it from appearing the condition of small gyration, stops to appear the pneumatic valve and appears not opening the condition emergence of position signal.
Two, the utility model discloses a chucking part, a plurality of chucking parts are steerable controls according to pneumatic valve opening angle, are fit for the different work requirements of reposition of redundant personnel pipeline.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the installation schematic diagram of the electromagnetic pneumatic valve and the angle controller of the present invention.
Fig. 3 is a schematic structural diagram of the angle controller of the present invention.
Fig. 4 is an enlarged schematic view of a in fig. 3 according to the present invention.
Fig. 5 is a schematic diagram of the control switch circuit of the present invention.
Fig. 6 is a schematic diagram of the power supply circuit of the present invention.
In the figure: the device comprises an electromagnetic pneumatic valve 1, an angle controller 2, a valve body 11, a rotating middle shaft 12, an air cylinder 13, an electromagnetic valve 14, a convex block 15, a clamping part 21, a clamping shell 22, an electromagnet 23, a magnet 24, a check rod 25 and a return spring 26.
Detailed Description
For a further understanding of the present invention, reference will now be made in detail to the following examples and embodiments, taken in conjunction with the accompanying drawings:
as shown in fig. 1 to 6: the utility model discloses extremely low concentration gas mixing pneumatic valve controlling means, include: an electromagnetic pneumatic valve 1 and an angle controller 2;
the electromagnetically operated valve 1 includes: the valve comprises a valve body 11, a rotating middle shaft 12, a cylinder 13 and an electromagnetic valve 14; the rotating middle shaft 12 penetrates through the upper pipe wall of the valve body 11, the cylinder 13 is arranged at the upper part of the rotating middle shaft 12, the cylinder 13 pushes the rotating middle shaft 12 to rotate, the air inlet pipe and the air outlet pipe of the cylinder 13 are both communicated with the electromagnetic valve 14,
an angle controller 2 is fixed between the valve body 11 and the cylinder 13, the rotating middle shaft 12 penetrates through the angle controller 2, the rotating middle shaft 12 can rotate relative to the angle controller 2, and the angle controller 2 is used for clamping the rotating middle shaft 12 to prevent the rotating middle shaft 12 from rotating.
And a convex block 15 is fixed on the side surface of the rotating middle shaft 12.
The angle controller 2 and the convex block 15 are positioned on the same horizontal plane.
The angle controller 2 includes a plurality of chucking members 21, the chucking members 21 are plural, the plurality of chucking members 21 are fixed to the valve body 11 in an annular shape with the rotation center shaft 12 as a center, and the chucking members 21 include: a chucking housing 22, an electromagnet 23, a magnet 24, a check rod 25, and a return spring 26; chucking shell 22 is towards rotating axis 12 one side open-ended tubular structure, chucking shell 22 one end is fixed with electro-magnet 23, chucking shell 22 internalization is provided with non return rod 25, non return rod 25 is located chucking shell 22 in one end be fixed with magnet 24, chucking shell 22 open end is fixed with the anticreep ring, is provided with the anticreep arch on the non return rod 25 that is located chucking shell 22, the anticreep arch can prevent that non return rod 25 from droing in chucking shell 22, the cover is equipped with reset spring 26 on the non return rod 25 between anticreep ring and the anticreep arch.
The angle controller 2 further comprises a control part, and the control part comprises a single chip microcomputer, a control switch and a power supply; the control switch includes triode Q, the anodal output of power is series resistance R1, certain electro-magnet 23 coil and triode Q collecting electrode in proper order, the IO pin of singlechip is series resistance R2, diode D and triode Q base in proper order, triode Q projecting pole ground connection.
The power supply includes: a switching power supply module and an MS1117-3.3 chip; switch power module input and AC220V power connection, be connected with the In pin of MS1117-3.3 chip behind the switching power supply positive output series connection diode D1, the In pin tie point of diode D1 and MS1117-3.3 chip still is connected with electric capacity C16 one end, the TAB pin and the Out pin of MS1117-3.3 chip are connected the back and are connected respectively with electric capacity C17's one end, electric capacity C18's one end and inductance coils L2's one end and are connected, inductance coils L2 other end and electric capacity C19 one end are connected, inductance coils L2 and electric capacity C19 link are power supply positive output, the other end of electric capacity C16, the other end of electric capacity C17, the electric capacity C18 other end, the electric capacity C19 other end and the GND pin and the switching power supply negative output of MS1117-3.3 chip are connected and ground simultaneously.
The single chip microcomputer is connected with a PLC for controlling the operation of the pneumatic valve through a serial port.
The utility model discloses specific operation as follows:
after the rotating middle shaft 12 rotates, the single chip microcomputer receives a PLC signal and starts the angle controller 2 to operate;
according to the rotation angle of the rotation center shaft 12, the corresponding clamping part 21 of the single chip microcomputer operates, the corresponding I/O pin of the single chip microcomputer outputs a chopping signal, after the electromagnet 23 generates a magnetic field, the magnet 24 at the end of the check rod 25 is stressed by the repulsion of magnetic force to protrude out of the clamping shell 22, meanwhile, the check rod 25 is matched with the protruding block 15, and the check rod 25 forms a tendency of blocking the rotation center shaft 12 to prevent the rotation of the rotation center shaft 12, so that the purpose of angle control is achieved.
The above embodiments are merely illustrative of the principles of the present invention and its effects, and do not limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications or changes be made by those skilled in the art without departing from the spirit and technical spirit of the present invention, and be covered by the claims of the present invention.
Claims (6)
1. Extremely low concentration gas mixes pneumatic valve controlling means, its characterized in that includes: an electromagnetic pneumatic valve (1) and an angle controller (2);
the electromagnetically operated valve (1) comprises: the valve body (11), the rotating middle shaft (12), the cylinder (13) and the electromagnetic valve (14); the rotating middle shaft (12) penetrates through the pipe wall of the upper part of the valve body (11), the upper part of the rotating middle shaft (12) is provided with a cylinder (13), the cylinder (13) pushes the rotating middle shaft (12) to rotate, an air inlet pipe and an air outlet pipe of the cylinder (13) are both communicated with an electromagnetic valve (14),
an angle controller (2) is fixed between the valve body (11) and the air cylinder (13), the rotating middle shaft (12) penetrates through the angle controller (2), the rotating middle shaft (12) can rotate relative to the angle controller (2), and the angle controller (2) is used for clamping the rotating middle shaft (12) to prevent the rotating middle shaft from rotating.
2. The extremely low concentration gas blending pneumatic valve control device according to claim 1, characterized in that: and a convex block (15) is fixed on the side surface of the rotating middle shaft (12).
3. The extremely low concentration gas blending pneumatic valve control device according to claim 2, characterized in that: the angle controller (2) and the convex block (15) are positioned on the same horizontal plane.
4. The extremely low concentration gas blending pneumatic valve control device according to claim 3, characterized in that: the angle controller (2) includes chucking part (21), chucking part (21) have a plurality ofly, and is a plurality of chucking part (21) are fixed in valve body (11) on as the center by rotating axis (12) and being the annular, chucking part (21) include: the clamping device comprises a clamping shell (22), an electromagnet (23), a magnet (24), a check rod (25) and a return spring (26); chucking shell (22) are towards rotating axis (12) one side open-ended tubular structure, chucking shell (22) one end is fixed with electro-magnet (23), chucking shell (22) internalization is provided with non return rod (25), non return rod (25) are located chucking shell (22) one end and are fixed with magnet (24), chucking shell (22) open end is fixed with the anticreep ring, is provided with the anticreep arch on non return rod (25) that are located chucking shell (22), the anticreep arch can prevent that non return rod (25) from come off in chucking shell (22), the cover is equipped with reset spring (26) on non return rod (25) between anticreep ring and the anticreep arch.
5. The extremely low concentration gas blending pneumatic valve control device according to claim 4, characterized in that: the angle controller (2) further comprises a control part, wherein the control part comprises a single chip microcomputer, a control switch and a power supply; the control switch comprises a triode Q, the positive output end of the power supply is sequentially connected with a resistor R1, a certain electromagnet (23) coil and a triode Q collector, an I/O pin of the single chip microcomputer is sequentially connected with a resistor R2, a diode D and a triode Q base, and an emitting electrode of the triode Q is grounded.
6. The extremely low concentration gas blending pneumatic valve control device according to claim 5, characterized in that: the power supply includes: a switching power supply module and an MS1117-3.3 chip; switch power module input and AC220V power connection, be connected with the In pin of MS1117-3.3 chip behind the switching power supply positive output series connection diode D1, the In pin tie point of diode D1 and MS1117-3.3 chip still is connected with electric capacity C16 one end, the TAB pin and the Out pin of MS1117-3.3 chip are connected the back and are connected respectively with electric capacity C17's one end, electric capacity C18's one end and inductance coils L2's one end and are connected, inductance coils L2 other end and electric capacity C19 one end are connected, inductance coils L2 and electric capacity C19 link are power supply positive output, the other end of electric capacity C16, the other end of electric capacity C17, the electric capacity C18 other end, the electric capacity C19 other end and the GND pin and the switching power supply negative output of MS1117-3.3 chip are connected and ground simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021476633.7U CN212868683U (en) | 2020-07-23 | 2020-07-23 | Pneumatic valve control device for mixing extremely-low-concentration gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021476633.7U CN212868683U (en) | 2020-07-23 | 2020-07-23 | Pneumatic valve control device for mixing extremely-low-concentration gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212868683U true CN212868683U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021476633.7U Active CN212868683U (en) | 2020-07-23 | 2020-07-23 | Pneumatic valve control device for mixing extremely-low-concentration gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212868683U (en) |
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2020
- 2020-07-23 CN CN202021476633.7U patent/CN212868683U/en active Active
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