CN210531737U - Isolation valve monitoring system on vacuum pipeline - Google Patents
Isolation valve monitoring system on vacuum pipeline Download PDFInfo
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- CN210531737U CN210531737U CN201921105575.4U CN201921105575U CN210531737U CN 210531737 U CN210531737 U CN 210531737U CN 201921105575 U CN201921105575 U CN 201921105575U CN 210531737 U CN210531737 U CN 210531737U
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Abstract
The utility model discloses an isolation valve monitoring system on vacuum tube road, which comprises a valve head and a valve body, wherein the valve head is arranged on the upper end outer wall of the valve body, the isolation valve monitoring system on vacuum tube road of the utility model is improved on the basis of the isolation valve monitoring system on the existing vacuum tube road, a magnetic sensor and a magnetic nut are additionally arranged on the isolation valve monitoring system on the existing vacuum tube road, and the common action of the magnetic sensor and the magnetic nut is utilized to detect whether the position of a bellows moves upwards along with a piston, namely to know whether a safety valve actually opens a machine table, so that when the faults of a solenoid valve, a gas pipe, the safety valve or a signal line occur, the actual position state of the safety valve can be predicted as early as possible, and the risk that can not be estimated is avoided, the utility model discloses a machine table can identify the actual position state of the safety valve, can be shut down and give an alarm, the safety performance is greatly increased.
Description
Technical Field
The utility model belongs to the technical field of the relief valve is relevant, concretely relates to isolated valve monitored control system on vacuum tube road.
Background
Isolated valve monitored control system on vacuum pipeline belongs to one kind of relief valve, the relief valve plays the safety protection effect in the system, when system pressure exceeded the specified value, the relief valve was opened, partly gas or fluid in the system was discharged outside atmosphere or pipeline, made system pressure not exceed the allowable value, thereby guarantee the system not because of the too high emergence accident of pressure, the relief valve belongs to automatic valve class, mainly used boiler, pressure vessel and pipeline, control pressure does not exceed the specified value, play important guard action to personal safety and equipment operation.
The prior art of an isolation valve monitoring system on a vacuum pipeline has the following problems: present relief valve reliability and life are all very outstanding, but the relief valve is an open-loop control, the control of relief valve is very simple, directly by the board output opening signal for the solenoid valve, the valve of CDA is opened to the solenoid valve, let in CDA the compressed dry air entry of relief valve, the piston upwards moves and drives the relief valve, from signal output to realizing opening valve about 0.5s, because control is too simple, the board is opened the signal and is just acquiesced for the relief valve and opened at every turn output, and do not have the detector to detect the position of bellows and move up along with the piston, that is to say whether the board is actually opened to the relief valve and is unknown, run into the solenoid valve, the trachea, the relief valve will be out of control when relief valve or signal line trouble, can lead to.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an isolated valve monitored control system on vacuum tube way to solve and put forward in the above-mentioned background art in the actual work, whether the board is actually opened to the relief valve and does not know, the relief valve will all be out of control when meetting solenoid valve, trachea, relief valve or signal line trouble, will lead to the problem of the risk that can not estimate.
In order to achieve the above object, the utility model provides a following technical scheme: an isolated valve monitoring system on a vacuum pipeline comprises a valve head and a valve body, wherein the valve head is arranged on the outer wall of the upper end of the valve body, the valve head is arranged on the valve body and fixedly connected with the valve body through a fixing nut, a valve cover is arranged on the outer wall of the upper end of the valve head, a magnetic induction sensor is arranged on the valve body on the right side of the valve head, a valve seat is arranged at the lower end of the valve body, an inlet is connected with the lower end of the valve seat, an inlet is arranged inside the circumference of the lower end of the inlet pipe, an outlet pipe is connected with the outer wall of the right end of the valve seat, an air inlet valve is arranged on the outer wall of the left end of the valve body, the air inlet valve and the valve body are fixedly connected with each other through a compressed dry air inlet, a, the magnetic induction nut is sleeved on the outer wall of the circumference of the transmission rod, and a guide sleeve is arranged outside the circumference of the magnetic induction nut.
Preferably, the number of the fixing nuts is four, and the four fixing nuts are the same in shape and size.
Preferably, the valve head and the valve body are kept in a relatively vertical state.
Preferably, the area of the piston is four square centimeters, and the area of the piston is slightly smaller than the cross-sectional area of the valve head.
Preferably, the transmission rod and the piston are kept in a relatively vertical state with respect to each other.
Preferably, the inlet pipe and the valve seat are kept in a relatively vertical state.
Preferably, the outlet pipe is fixedly connected with the valve seat through welding, and the inlet pipe is fixedly connected with the valve seat through welding.
Compare with current vacuum tube isolated valve monitored control system technique on the road, the utility model provides an isolated valve monitored control system on vacuum tube road possesses following beneficial effect:
the utility model discloses isolated valve monitored control system improves on the basis of isolated valve monitored control system on current vacuum tube way on the vacuum tube way, isolated valve monitored control system has newly increased the magnetic induction sensor and has had the magnetic induction nut on current vacuum tube way, utilize the combined action of the magnetic induction sensor of newly-increased and take the magnetic induction nut, make can listen to detect whether the position that detects the bellows moves up along with the piston, namely can know whether the board is actually opened to the relief valve, like this meet the solenoid valve, the trachea, when relief valve or signal line trouble, can foresee as early as possible, avoid the risk that can not estimate, the utility model discloses make the board can discern the actual position state of relief valve, can shut down and report to the police when unusual situation appears, realize complete closed-loop control, greatly increased the security performance;
the utility model discloses isolated valve monitored control system on vacuum tube way isolated valve monitored control system has newly increased the magnetism and has felt the sensor and take the magnetism nut on current vacuum tube way, wherein take the magnetism to feel the nut and cup joint on the circumference outer wall of transfer line, the magnetism is felt the sensor and is installed on the upper end outer wall of valve body, can trigger the position of induction piston when magnetism is felt the sensor and is taken the magnetism nut closely contact, the position of detecting the piston is in fact just to detect whether the relief valve opens the signal extraction with the magnetism and feels the sensor and handle with CPU output signal in the controller, with the logic relation analysis, if CPU signal output one second back magnetism feels the signal of sensor and does not match with it, then consider the relief valve out of control, the signal that the controller stringed safety chain device will be triggered, lead to the board to shut down and report to.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic view of a three-dimensional structure of an isolation valve monitoring system on a vacuum pipeline according to the present invention;
fig. 2 is a schematic plan structure view of an isolation valve monitoring system on a vacuum pipeline according to the present invention;
fig. 3 is a schematic view of an internal structure of an isolation valve monitoring system on a vacuum pipeline according to the present invention;
in the figure: 1. a valve head; 2. fixing a nut; 3. an air inlet valve; 4. a valve seat; 5. feeding a pipe; 6. an outlet; 7. discharging a pipe; 8. a valve body; 9. a magnetic induction sensor; 10. a valve cover; 11. a compressed dry air inlet; 12. a nut with magnetic induction; 13. a bellows; 14. an inlet; 15. a guide sleeve; 16. a transmission rod; 17. a piston.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an isolated valve monitoring system on a vacuum pipeline comprises a valve head 1 and a valve body 8, wherein the valve head 1 is installed on the outer wall of the upper end of the valve body 8, the valve head 1 and the valve body 8 are kept in a relatively vertical state, the mutually vertical state between the valve head 1 and the valve body 8 can ensure the stable structure between the valve head 1 and the valve body 8, and ensure the normal operation, the valve head 1 is installed on the valve body 8 and fixedly connected through fixing nuts 2, the fixing nuts 2 are provided with four fixing nuts 2, the four fixing nuts 2 are identical in shape and size, the valve head 1 and the valve body 8 can be tightly connected through the four fixing nuts 2 with identical shape and size, so that the valve head 1 and the valve body 8 are stable and firm, the outer wall of the upper end of the valve head 1 is provided with a valve cover 10, the right valve body 8 of the valve head 1 is provided with a magnetic sensor 9, the lower end of the valve body 8, therefore, the structure of the inlet pipe 5 and the valve seat 4 is more stable, the inlet pipe 5 and the valve seat 4 keep a relative vertical relation with each other, so that objects entering from the inlet pipe 5 can smoothly enter the valve seat 4, and an inlet 14 is formed in the circumference of the lower end of the inlet pipe 5.
An isolation valve monitoring system on a vacuum pipeline, wherein an outlet pipe 7 is connected on the outer wall of the right end of a valve seat 4, the outlet pipe 7 is fixedly connected with the valve seat 4 by welding, an inlet pipe 5 is fixedly connected with the valve seat 4 by welding, the valve seat 4 is fixedly connected with the outlet pipe 7 and the inlet pipe 5 by welding, so that the firmness between the valve seat 4 and the outlet pipe 7 as well as the inlet pipe 5 is greatly improved, an outlet 6 is arranged inside the circumference of the outlet pipe 7, an air inlet valve 3 is arranged on the outer wall of the left end of a valve body 8, the air inlet valve 3 is fixedly connected with the valve body 8 by a compressed dry air inlet 11, a corrugated pipe 13 is arranged inside the circumference of the valve seat 4 on the upper side of the inlet pipe 5, the upper end of the corrugated pipe 13 is connected with a transmission rod 16, and the transmission rod 16 and a piston 17 are kept in a relatively vertical state, so that the stable structure between, guarantee the normal clear of work, the top of transfer line 16 is provided with piston 17, and the area of piston 17 is four square centimeters, and the area of piston 17 slightly is less than the cross sectional area of valve head 1, can ensure like this that piston 17 can be inside the smooth upper and lower displacement of circumference of valve head 1, has ensured the normal of whole isolated valve operation work, has cup jointed on the circumference outer wall of transfer line 16 and has taken magnetic nut 12, and the circumference outside of taking magnetic nut 12 is provided with uide bushing 15.
The utility model discloses a theory of operation and use flow: the utility model discloses isolated valve monitored control system on vacuum tube road improves the innovation on the basis of isolated valve monitored control system on current vacuum tube road, makes isolated valve monitored control system on vacuum tube road possess very high practicality, and makes its security performance improve greatly, the utility model discloses isolated valve monitored control system on current vacuum tube road has newly increased magnetic sensor 9 and has had magnetic nut 12, utilizes the combined action of newly-increased magnetic sensor 9 and takes magnetic nut 12, makes to detect whether the position that detects bellows 13 moves up along with piston 17, namely can know whether the safety valve actually opens the board, like this meet solenoid valve, trachea, when safety valve or signal line trouble, can foresee as early as possible, avoid the risk that can not estimate, the utility model discloses make the board can discern the actual position state of safety valve, can shut down and report to the police when unusual situation appears, after the utility model is installed, the CDA is injected into the compressed dry air inlet 11 to force the piston 17 to move upwards under the action of strong pressure, so that the piston 17 drives the corrugated pipe 13 to move upwards, when the corrugated pipe 13 moves upwards, the inlet 14 and the outlet 6 are communicated, and the valve is in an open state, the isolation valve monitoring system on the vacuum pipeline of the utility model adds the magnetic sensor 9 and the magnetic nut 12 on the existing vacuum pipeline, wherein the magnetic nut 12 is sleeved on the circumferential outer wall of the transmission rod 16, the magnetic sensor 9 is installed on the upper end outer wall of the valve body 8, when the magnetic sensor 9 and the magnetic nut 12 are in close contact, the position of the induction piston 17 is triggered, and the position of the detection piston 17 is actually used for detecting whether the safety valve is opened to extract the signal of the magnetic sensor 9 and process the CPU output signal in the controller, and through logic relation analysis, if the signal of the magnetic induction sensor 9 is not matched with the signal of the CPU after the signal is output for one second, the safety valve is considered to be out of control, the signal of the controller which is connected into the safety interlocking device in series is triggered, the machine is stopped to alarm, complete closed-loop control is realized, and the safety and the reliability are ensured in the working and using process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an isolated valve monitored control system on vacuum pipeline, includes valve head (1) and valve body (8), its characterized in that: the valve head (1) is arranged on the outer wall of the upper end of the valve body (8), the valve head (1) is arranged on the valve body (8) and fixedly connected through a fixing nut (2), a valve cover (10) is arranged on the outer wall of the upper end of the valve head (1), a magnetic induction sensor (9) is arranged on the valve body (8) on the right side of the valve head (1), a valve seat (4) is arranged at the lower end of the valve body (8), an inlet pipe (5) is connected to the lower end of the valve seat (4), an inlet (14) is arranged inside the circumference of the lower end of the inlet pipe (5), an outlet pipe (7) is connected to the outer wall of the right end of the valve seat (4), an outlet (6) is arranged inside the circumference of the outlet pipe (7), an air inlet valve (3) is arranged on the outer wall of the left end of the valve body (8), and, the inside bellows (13) that is provided with of circumference of the upside disk seat (4) of advancing pipe (5), the upper end of bellows (13) is connected with transfer line (16), the top of transfer line (16) is provided with piston (17), it takes magnetic nut (12) to cup joint on the circumference outer wall of transfer line (16), the circumference outside of taking magnetic nut (12) is provided with uide bushing (15).
2. The evacuated line isolation valve monitoring system of claim 1, wherein: the number of the fixing nuts (2) is four, and the shape and the size of the four fixing nuts (2) are the same.
3. The evacuated line isolation valve monitoring system of claim 1, wherein: the valve head (1) and the valve body (8) are kept in a relatively vertical state.
4. The evacuated line isolation valve monitoring system of claim 1, wherein: the area of the piston (17) is four square centimeters, and the area of the piston (17) is slightly smaller than the cross-sectional area of the valve head (1).
5. The evacuated line isolation valve monitoring system of claim 1, wherein: the transmission rod (16) and the piston (17) are kept in a relatively vertical state.
6. The evacuated line isolation valve monitoring system of claim 1, wherein: the inlet pipe (5) and the valve seat (4) are kept in a relatively vertical state.
7. The evacuated line isolation valve monitoring system of claim 1, wherein: go out between pipe (7) and valve seat (4) through welded fastening connection, advance pipe (5) and valve seat (4) through welded fastening connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105575.4U CN210531737U (en) | 2019-07-15 | 2019-07-15 | Isolation valve monitoring system on vacuum pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105575.4U CN210531737U (en) | 2019-07-15 | 2019-07-15 | Isolation valve monitoring system on vacuum pipeline |
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| Publication Number | Publication Date |
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| CN210531737U true CN210531737U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921105575.4U Active CN210531737U (en) | 2019-07-15 | 2019-07-15 | Isolation valve monitoring system on vacuum pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484052A (en) * | 2021-12-29 | 2022-05-13 | 江苏南热发电有限责任公司 | Pneumatic actuator fault detection device |
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2019
- 2019-07-15 CN CN201921105575.4U patent/CN210531737U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484052A (en) * | 2021-12-29 | 2022-05-13 | 江苏南热发电有限责任公司 | Pneumatic actuator fault detection device |
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