CN207019886U - Safety valve online monitoring system - Google Patents
Safety valve online monitoring system Download PDFInfo
- Publication number
- CN207019886U CN207019886U CN201720832498.7U CN201720832498U CN207019886U CN 207019886 U CN207019886 U CN 207019886U CN 201720832498 U CN201720832498 U CN 201720832498U CN 207019886 U CN207019886 U CN 207019886U
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- China
- Prior art keywords
- safety valve
- bonnet
- perforate
- fixed
- sensor
- Prior art date
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- Expired - Fee Related
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Abstract
It the utility model is related to a kind of safety valve online monitoring system, including perforate bonnet, flange linear bearing, fixed plate, drive link, split sleeve, displacement transducer and actuator, sound wave transmitter, pressure sensor, gateway, computer, gsm module, wherein described perforated valve lid, flange linear bearing, split sleeve, drive link is interconnected and is fixed on safety valve, institute's displacement sensors and actuator are fixed on safety valve by fixed plate and split sleeve, the pressure sensor, sound wave transmitter is connected with the inlet and outlet of safety valve respectively, three kinds of described sensors pass through gateway and construction of computer network, the computer receives the data of sensor and judges safe valve state, sent if abnormal conditions occur by gsm module on alarming short message to specified phone number.The utility model can monitor the unlatching situation of safety valve in real time, when there is fortuitous event in safety valve can and alarm, and simple installation, reliability it is high.
Description
Technical field
It the utility model is related to a kind of safety valve online monitoring system.
Background technology
Safety valve belongs to automatic valve class, is mainly used in boiler, on pressure vessels and pipes, and control pressure is no more than regulation
Value, run important protective effect to personal safety and equipment, and safety valve is after long period use, easily occur rust it is dead with
Situation about can not be completely closed after unlatching, but existing safety valve online monitoring system is complicated, inconvenient for use, therefore design
A kind of simple in construction, dependable performance, install and change conveniently, the New-type safety valve online monitoring system of easy mass production very
It is necessary.
Utility model content
Technical problem to be solved in the utility model is:A kind of simple in construction, dependable performance is provided, installs and changes
New-type safety valve online monitoring system that is convenient, being easy to mass production
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of safety valve online monitoring system, including safety valve, sensor, mechanical clamp, data processing module, its feature
It is:The sensor includes displacement transducer and its actuator, sound wave transmitter, pressure sensor, wherein, displacement transducer
Above safety valve, for measuring the open amount of safety valve;Pressure sensor is arranged on the inlet pipeline of safety valve, is used
In the pressure value that measurement safety valve is born;Sound wave transmitter is arranged on the outlet conduit of safety valve, is opened for gathering safety valve
Voice signal when opening;The mechanical clamp is divided into perforate bonnet, screw, displacement transmission mechanism, radial direction position-limit mechanism, sensor
Fixed mechanism, wherein, perforate bonnet is used to replace the original bonnet of safety valve, and is fixed on using holding screw on safety valve;
Displacement transmission mechanism passes through the circular hole in perforated valve crown portion, is opened for connecting the valve rod of actuator and safety valve, and by safety valve
Displacement when opening is delivered on actuator;Radial direction position-limit mechanism is fixed on perforate bonnet, for limiting displacement transmission mechanism
Radial displacement, improve displacement transmission mechanism precision;Displacement transducer is fixed on perforate bonnet by sensor fixed mechanism
Side, and allow the sensing element at the displacement transducer back side to measure the motion of actuator;The data processing module is with passing
Sensor is connected, and gathers the safe valve state data that sensor measures in real time, and records and preserve these status datas, meanwhile, number
Judge whether the unlatching situation of safety valve is normal according to these status datas according to processing module, alarm is then sent in the event of abnormal
Information.
Its further technical scheme is:
Displacement transmission mechanism:One drive link is passed through from the circular hole in perforated valve crown portion, and the end of drive link is provided with
Inner thread sleeve, it is connected through a screw thread and is fixed on the external screw thread that safety valve valve stem tip carries;Drive link upper end is provided with outer
Screw thread, the sleeve of a split sleeve are provided with internal thread, and both are connected through a screw thread;The clamping plate of split sleeve is provided with logical
Hole, actuator comes with screwed hole, between the two using mode connects for screw.
Radial direction position-limit mechanism:One flange linear bearing is enclosed on drive link, and the bearing body of flange linear bearing is placed in out
In the circular hole at the top of ports valve cap, flange face is fixed on perforate bonnet using screw;The internal diameter size of flange linear bearing with
Drive link outside dimension is equal, so as to ensure that drive link can only be axially moved, limits radial displacement, improves displacement and transmits machine
The transmission accuracy of structure.
Sensor fixed mechanism:One plane is set in the top-side of perforate bonnet, and is threaded hole in the plane,
The latter half of one fixed plate is fixed by screws on the side plane of perforate bonnet, fixed plate top half using screw with
The displacement transducer back side is connected, so that displacement transducer is fixed on the surface of safety valve;The middle and upper part of fixed plate point
It is provided with rectangular channel so that actuator can move up and down in this rectangular channel, so as to transmit displacement.
Data processing module:One gateway will be collected automatically by WirelessHART network and sensor network, sensor
Data upload on the register pre-set in gateway;Gateway is connected by netting twine with a computer simultaneously, computer
In the monitoring programme that LabVIEW writes is installed, the program reads in gateway corresponding register to obtain the data of sensor,
These data are stored in a log file afterwards, and data sheet file can be generated according to the operation of user;Simultaneously
Computer is connected by data cable with a gsm module, and the data that monitoring software collects according to sensor judge safety valve
State it is whether abnormal, if there is abnormal generation, monitoring programme controls gsm module on specified one or more phone numbers
Send alarming short message.
Compared with prior art, the utility model has advantages below:
(1) what mechanical structure portion of the present utility model was more has used standard component, such as screw, flange linear bearing,
The negligible amounts of other machinery part, and it is easy to process, reduce the cost of production in enormous quantities.
(2) when unification uses flat recess or cruciform slot screw, it is only necessary to which one can complete whole machinery screwdriver ties
Structure is installed, and integral mechanical structure is easily assembled to and dismantled, and facilitates staff to safeguard.
(3) the radial direction position-limit mechanism of drive link improves the accuracy of valve opening measurement, greatly reduces valve and exists
In the course of work, the situation of inaccuracy is measured caused by due to influence of the vibration to displacement transmission mechanism.
(4) short message alarm module improves the real-time of monitoring, facilitates administrative staff to grasp valve in the very first time and occurs
Abnormal conditions.
(5) using the data of WirelessHART network collection sensor, suitable for the occasion that sensor distribution space is larger, keep away
Exempt from when existing sensor transmits data using wired mode, it is necessary to lay substantial amounts of cable in advance.Long-term work in the wild
Under environment, wireless HART is not easily susceptible to disturb, while will not also run into the risk similar to data cable aging and damage.
Brief description of the drawings
Fig. 1 is safety valve online monitoring system schematic diagram.
Fig. 2 is mechanical clamp partial schematic diagram.
Fig. 3 is the schematic diagram of perforate bonnet.
Fig. 4 is the phantom of perforate bonnet interior.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4, the utility model embodiment is a kind of safety valve on-line monitoring
System, it includes:Safety valve 6 and its valve rod 19, perforate bonnet 4, flange linear bearing 17, drive link 16, split sleeve 15, company
Fishplate bar 2, screw 3, screw 5, screw 13, screw 14, screw 18, displacement transducer 1 and its actuator 12, pressure sensor 7, sound
Ripple transmitter 8, computer 10, gateway 9 and gsm module 11.
The perforate bonnet 4 replaces 6 original bonnet of safety valve, and is fixed on using screw 5 on safety valve.The perforate
The top of bonnet 4 is provided with circular hole, and the drive link 16 is set through the circular hole at the top of perforate bonnet 4 by the end of drive link 16
Screw shell be connected on valve rod 19.The flange linear bearing 17 is enclosed on drive link 16, and bearing body is positioned over perforated valve
In the circular hole of cap 4, flange face is fixed on using screw 18 on the screwed hole of the top circular hole surrounding of perforate bonnet 4.The plywood sleeve
The sleeve inner of cylinder 15 is provided with internal thread, and the top of drive link 16 is provided with external screw thread, and both are interfixed using threaded connection;
It is provided with circular hole on the clamping plate of split sleeve 15, from threaded hole, both actuator 12 interfixed by screw;The perforated valve
The side use of cap 4 is provided with plane, and two screwed holes are provided with plane, and the screw 3 passes through the circle of the latter half of connecting plate 2
Hole, connecting plate 2 is fixed on the side plane of perforate bonnet 4.Separately there is a rectangular channel middle and upper part of the connecting plate 2, and with set
It is orthogonal between the clamping plate of collet chuck plate 15 so that actuator 12 is located in the rectangular channel of the centre of connecting plate 2.Displacement transducer
1 back side carries 4 screwed holes, is fixed on using screw 13 on connecting plate 2, and is vertically arranged in the top of safety valve fixture, together
When actuator 12 is placed exactly in the fluting at the back side of displacement transducer 1.
The diameter of the drive link 16 is equal with the internal diameter of flange linear bearing 17, is under pressure inside the safety valve 6
During unlatching, valve rod 19 is by driving drive link 16 and split sleeve 15 so that sense of the actuator 12 at the back of displacement transducer 1
Vertical shift in element dead slot is answered, so that displacement transducer 1 measures the displacement data of actuator 12.The flange straight line
Bearing 17 constrain drive link 16 can only move in the axial direction, discharged because vibration and caused by drive link 16 radial displacement,
Ensure that safety valve 6 opens the accuracy of measurement.
Institute's displacement sensors 1 are arranged on the surface of safety valve 6, to gather the displacement of the unlatching of safety valve 6, and certainly
It is dynamic to be transferred to displacement data on the register pre-set in gateway 9 by WirelessHART network.The pressure sensor 7 is set
Put on the same pipeline being connected with the import of safety valve 6, to gather the pressure suffered by safety valve 6, and automatically by number pressure
It is transferred to according to by WirelessHART network on the register pre-set in gateway 9.The sound wave transmitter 8 is arranged on safety valve
On the pipeline of 6 outlet connections, to gather the noise data sent during outflow medium after safety valve 6 is opened, and automatically by noise
Data are transferred on the register pre-set in gateway 9 by WirelessHART network.It is provided with the computer 10
The monitoring programme that LabVIEW writes, the program reads the register in gateway 9 by data cable, so as to obtain pressure sensing
The data that device 7, displacement transducer 1 and sound wave transmitter 8 collect.
Pressure value that monitoring programme in the computer 10 measures according to pressure sensor 7, displacement transducer 1 measure
Shift value and sound wave transmitter 8 measure whether have medium outflow, judge whether safety valve 6 just normally opened when pressure is excessive
Open or pressure be reduced to below Opening pressure after safety valve 6 whether normal switching-off, if occur have in above-mentioned two situations it is different
Often occur, then monitoring programme automatically generates warning message in real time, and controls gsm module 11 to send out warning message by data cable
Be sent on the cell-phone number specified, it is ensured that warning message it is ageing.
The utility model is not limited to above-mentioned specific embodiment, and one of ordinary skill in the art visualizes from above-mentioned
Hair, without performing creative labour, made various conversion, all falls within the scope of protection of the utility model.
Claims (4)
1. a kind of safety valve online monitoring system, including safety valve (6), sensor, mechanical clamp, data processing module, it is special
Sign is:The sensor includes displacement transducer (1) and its actuator (12), sound wave transmitter (8), pressure sensor (7),
Wherein, displacement transducer (1) is arranged on above safety valve (6), for measuring the open amount of safety valve (6);Pressure sensor (7)
On the inlet pipeline of safety valve (6), the pressure value born for measuring safety valve (6);Sound wave transmitter (8) is arranged on
On the outlet conduit of safety valve (6), for gathering voice signal when safety valve (6) is opened;The mechanical clamp is divided into perforate
Bonnet (4), screw, displacement transmission mechanism, radial direction position-limit mechanism, sensor fixed mechanism, wherein, perforate bonnet (4) is used to replace
Safety valve (6) original bonnet is changed, and is fixed on using holding screw (5) on safety valve (6);Displacement transmission mechanism passes through perforate
Circular hole at the top of bonnet (4), for connecting the valve rod (19) of actuator (12) and safety valve, and when safety valve (6) is opened
Displacement is delivered on actuator (12);Radial direction position-limit mechanism is fixed on perforate bonnet (4);Sensor fixed mechanism is by displacement
Sensor (1) is fixed on above perforate bonnet (4), and the sensing element at displacement transducer (1) back side is measured and held
The motion of row device (12);The data processing module is connected with sensor, gathers safety valve (6) state that sensor measures in real time
Data, and record and preserve these status datas, meanwhile, data processing module judges safety valve (6) according to these status datas
Unlatching situation it is whether normal, then send warning message in the event of abnormal.
2. safety valve online monitoring system as claimed in claim 1, it is characterised in that:Displacement transmission mechanism is:One transmission
Bar (16) passes through from the circular hole at the top of perforate bonnet (4), and the end of drive link (16) is provided with inner thread sleeve, passes through screw thread
It is fastened on the external screw thread that safety valve valve rod (19) top carries;Drive link (16) upper end is provided with external screw thread, a folder
The sleeve of sleeve-board cylinder (15) is provided with internal thread, and both are connected through a screw thread;The clamping plate of split sleeve (15) is provided with through hole, holds
Row device (12) comes with screwed hole, is connected between the two using screw (14).
3. safety valve online monitoring system as claimed in claim 1, it is characterised in that:Radial direction position-limit mechanism is:One flange
Linear bearing (17) is enclosed on drive link (16), and the bearing body of flange linear bearing (17) is placed in the top of perforate bonnet (4)
In circular hole, flange face is fixed on perforate bonnet (4) using screw (18);The internal diameter size of flange linear bearing (17) and transmission
Bar (16) outside dimension is equal.
4. safety valve online monitoring system as claimed in claim 1, it is characterised in that:Sensor fixed mechanism is:In perforate
The top-side of bonnet (4) sets a plane, and is threaded hole in the plane, and the latter half of a fixed plate (2) leads to
Cross screw (3) to be fixed on the side plane of perforate bonnet (4), fixed plate (2) top half uses screw (13) and displacement sensing
Device (1) back side is connected, so that displacement transducer (1) is fixed on the surface of safety valve (6);On in fixed plate (2)
Part is provided with rectangular channel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720832498.7U CN207019886U (en) | 2017-07-11 | 2017-07-11 | Safety valve online monitoring system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720832498.7U CN207019886U (en) | 2017-07-11 | 2017-07-11 | Safety valve online monitoring system |
Publications (1)
Publication Number | Publication Date |
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CN207019886U true CN207019886U (en) | 2018-02-16 |
Family
ID=61483715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720832498.7U Expired - Fee Related CN207019886U (en) | 2017-07-11 | 2017-07-11 | Safety valve online monitoring system |
Country Status (1)
Country | Link |
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CN (1) | CN207019886U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107219072A (en) * | 2017-07-11 | 2017-09-29 | 江南大学 | Safety valve online monitoring system |
CN112197163A (en) * | 2020-10-29 | 2021-01-08 | 河北白沙烟草有限责任公司保定卷烟厂 | Steam trap state monitoring system and method |
CN114061937A (en) * | 2021-10-13 | 2022-02-18 | 中核核电运行管理有限公司 | Pilot-operated type safety valve shunt action test device |
-
2017
- 2017-07-11 CN CN201720832498.7U patent/CN207019886U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107219072A (en) * | 2017-07-11 | 2017-09-29 | 江南大学 | Safety valve online monitoring system |
WO2019010921A1 (en) * | 2017-07-11 | 2019-01-17 | 江南大学 | Safety valve online monitoring system |
CN112197163A (en) * | 2020-10-29 | 2021-01-08 | 河北白沙烟草有限责任公司保定卷烟厂 | Steam trap state monitoring system and method |
CN114061937A (en) * | 2021-10-13 | 2022-02-18 | 中核核电运行管理有限公司 | Pilot-operated type safety valve shunt action test device |
CN114061937B (en) * | 2021-10-13 | 2024-06-11 | 中核核电运行管理有限公司 | Pilot operated safety valve shunt action test device |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180216 Termination date: 20190711 |
|
CF01 | Termination of patent right due to non-payment of annual fee |