CN207246542U - A kind of monitoring warning device of the real-time aperture of valves leakage and valve - Google Patents
A kind of monitoring warning device of the real-time aperture of valves leakage and valve Download PDFInfo
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- CN207246542U CN207246542U CN201721069155.6U CN201721069155U CN207246542U CN 207246542 U CN207246542 U CN 207246542U CN 201721069155 U CN201721069155 U CN 201721069155U CN 207246542 U CN207246542 U CN 207246542U
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Abstract
The utility model discloses a kind of valves leakage and the monitoring warning device of the real-time aperture of valve, it includes valve and the pipeline arranged on valve both sides, it further includes temperature sensing optic cable, vibrating sensing optical cable, fiber temperature signal (FBG) demodulator, fiber-optic vibration signal (FBG) demodulator.The monitoring warning device of a kind of valves leakage of the utility model and the real-time aperture of valve, using optical fiber as sensor, sensing optic cable itself is passive, intrinsic safety, explosion-proof, using distribution type fiber-optic real time on-line monitoring technology, sensitivity of detection and accuracy are high, leakage accurate judgement and early warning can be made at the first time in valve occurs, with the accumulation of data, it may determine that the real-time aperture of valve, so as to the rational parking maintenance of schedule ahead, replace plan.The utility model reduces the skill requirement to inspection person, alleviates hand labor intensity, improves production efficiency, reduces production cost, real-time, can find security risk in time, avoid because valves leakage causes industrial accident.
Description
Technical field：
Valve monitoring field is the utility model is related to, more particularly to the monitoring of a kind of valves leakage and the real-time aperture of valve is pre-
Alarm device.
Background technology：
Valve be in fluid system, for control the direction of fluid, pressure, flow device, make in pipe arrangement and equipment
Media flow or stopping, and its flow can be controlled, having makes reverse flow of fluids, cut-off, throttling, non-return, shunting or overflow pressure relief
Etc. function.
When interior leakage occurs for valve, the loss of economy and working medium is not only resulted in, the interior serious valve of leakage can also be to valve
Pipeline afterwards produces erosion corrosion, makes trommel, causes security risk or accident.
At present, substantially the whether interior leakage of valve is judged by manual inspection, inspection person is by experiencing two side ducts of valve
The temperature of wall is judged using listening clave to listen airflow noise, and this method has some limitations, and is only applicable to valve
Surrounding environment does not produce operations staff injury, and auditor has the situation of certain experiences；Moreover, manual inspection mode not only work
People's labor intensity is big, and real-time is very poor, and the time, spatially all there are blind area, it is impossible to finds security risk in time, can not monitor
To the real-time aperture of valve.Many enterprises empirically, take the method that timing is overhauled to overhaul, replace valve, but different factories
Family, the valve material of different batches, service life etc. all have differences, discounting for the actual safe operating life of single valve,
The way of valve is uniformly repaired, replaced according to the same time cycle, very not science：Event occurs before maintenance is replaced for valve
Barrier, will trigger production, quality accident, or even security incident；Valve does not arrive maintenance replacing construction and is replaced, and will influence the life of enterprise
Efficiency is produced, increases production cost；Or has there is security risk and could not but have been disposed in time in valve, and peace will be brought to enterprise
Full production accident.Therefore, a kind of valves leakage and the real time on-line monitoring prior-warning device of valve opening are researched and developed, there is great meaning
Justice.
Utility model content：
The purpose of this utility model is to provide a kind of valves leakage and the monitoring warning device of the real-time aperture of valve.
The utility model is implemented by following technical solution：
A kind of monitoring warning device of the real-time aperture of valves leakage and valve, it includes valve and arranged on the valve two
The pipeline of side, it further includes temperature sensing optic cable, vibrating sensing optical cable, fiber temperature signal (FBG) demodulator, fiber-optic vibration signal solution
Adjust instrument；
The temperature sensing optic cable is wound on the pipeline of the valve both sides；
The vibrating sensing optical cable is wound on the valve and the pipeline of the valve both sides；
The fiber temperature signal (FBG) demodulator and the fiber-optic vibration signal (FBG) demodulator respectively with the temperature sensing optic cable
Connected with the vibrating sensing optical cable by communications optical cable.
Further, the length of the temperature sensing optic cable and the vibrating sensing optical cable is all higher than 3m.
Further, the temperature sensing optic cable and the vibrating sensing optical cable are fixed by connector and the pipeline connects
Connect, the connector is equipped with card slot.
The advantages of the utility model：
The monitoring warning device of a kind of valves leakage of the utility model and the real-time aperture of valve, using optical fiber as sensing
Device, sensing optic cable itself is passive, intrinsic safety, explosion-proof, using distribution type fiber-optic real time on-line monitoring technology, sensitivity of detection and accurate
Property it is high, leakage accurate judgement and early warning can be made at the first time in valve occurs, with the accumulation of data, it can be determined that valve
Real-time aperture, so as to the rational parking maintenance of schedule ahead, replaces plan.The utility model is reduced will to the experience of inspection person
Ask, alleviate hand labor intensity, improve production efficiency, reduce production cost, it is real-time, it can find that safety is hidden in time
Suffer from, avoid because valves leakage causes industrial accident.
Brief description of the drawings：
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the planar structure schematic diagram of the utility model.
In figure：Valve 1, pipeline 2, temperature sensing optic cable 3, vibrating sensing optical cable 4, fiber temperature signal (FBG) demodulator 5, optical fiber
Vibration signal (FBG) demodulator 6, connector 7, communications optical cable 8.
Embodiment：
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
A kind of monitoring warning device of the real-time aperture of valves leakage and valve, it includes valve 1 and arranged on the valve 1
The pipeline 2 of both sides, it further includes temperature sensing optic cable 3, vibrating sensing optical cable 4, fiber temperature signal (FBG) demodulator 5, fiber-optic vibration
Signal (FBG) demodulator 6；
Temperature sensing optic cable 3 is wound on the pipeline 2 of 1 both sides of valve；
Vibrating sensing optical cable 4 is wound on the pipeline 2 of 1 both sides of valve 1 and valve；
The protective case of temperature sensing optic cable 3 can be thermally sensitive PE, PVC, stainless steel material, temperature sensing optic cable
3 collections are with valve 1 for thermo parameters method of the center line to 1 both sides linear direction of valve；
Vibrating sensing optical cable 4 can be using PE, PVC to vibration sensing, stainless steel fiber unit structure, vibrating sensing light
Cable 4 is gathered to be distributed with valve 1 for center line to the vibration signal of 1 both sides linear direction of valve；
Fiber temperature signal (FBG) demodulator 5 is connected with temperature sensing optic cable 3 by communications optical cable 8；
Fiber-optic vibration signal (FBG) demodulator 6 is connected with vibrating sensing optical cable 4 by communications optical cable 8.
The length of temperature sensing optic cable 3 and vibrating sensing optical cable 4 is all higher than 3m.
Temperature sensing optic cable 3 and vibrating sensing optical cable 4 are fixedly connected by connector 7 with pipeline 2, and connector 7 is equipped with
Card slot.
The utility model can be carried out in specific environment using the method for temperature monitoring valves leakage, when conveying in pipeline 2
Medium, there are during the temperature difference, the actual temperature of 1 both sides duct wall of valve, meter is gathered in the case where confirming that valve 1 is closed with environment
Temperature gap is calculated, and as the reference that alert temperature value is failed to report in setting valve 1：When the temperature difference of 1 both sides duct wall of valve is in
During maximum, show that valve 1 is closed good；When the temperature difference on 1 both sides of valve is smaller, illustrate that leakage is more serious in valve 1, more than setting
During fixed temperature difference, system alarm.If the temperature of 1 downstream line wall of valve has becoming close to 1 upstream line wall temperature of valve
Gesture, illustrates that the medium of 1 upstream of valve is leaked to 1 downstream of valve；If the temperature of 1 upstream line wall of valve has close under valve 1
The trend of play pipe road wall temperature, illustrates that the medium in 1 downstream of valve is leaked to 1 upstream of valve.
Equally, 1 vibration signal of valve is gathered in the case where confirming that valve 1 is closed, calculates vibration signal difference, and conduct
Set in valve 1 and fail to report alert numerical value reference：When valve 1 does not vibrate itself, show that valve 1 is closed good.Measure respectively multiple
The vibration signal of valve 1 during valve opening, as reference：1 dither of valve diminishes, and illustrates that 1 aperture of valve becomes larger, less than setting
During fixed vibrating numerical, system alarm；1 low-frequency vibration of valve becomes larger, and illustrates that 1 aperture of valve becomes larger, more than the vibration number of setting
During value, system sends alarm.
When pumped (conveying) medium and environment temperature have differences in pipeline 2, can 1 liang of side ducts 2 of comprehensive monitoring valve temperature and
The vibration signal of valve 1 judges that valve 1 whether there is interior leakage；, can when difference is not present in pumped (conveying) medium in pipeline 2 and environment temperature
To judge that valve 1 whether there is interior leakage by monitoring the vibration signal of valve 1, valve is judged by the vibration strong or weak for monitoring valve 1
The real-time aperture of door 1.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (3)
1. the monitoring warning device of a kind of valves leakage and the real-time aperture of valve, it includes valve and arranged on the valve both sides
Pipeline, it is characterised in that it further includes temperature sensing optic cable, vibrating sensing optical cable, fiber temperature signal (FBG) demodulator, optical fiber and shakes
Dynamic signal (FBG) demodulator；
The temperature sensing optic cable is wound on the pipeline of the valve both sides；
The vibrating sensing optical cable is wound on the valve and the pipeline of the valve both sides；
The fiber temperature signal (FBG) demodulator and the fiber-optic vibration signal (FBG) demodulator respectively with the temperature sensing optic cable and institute
Vibrating sensing optical cable is stated to connect by communications optical cable.
A kind of 2. monitoring warning device of the real-time aperture of valves leakage and valve according to claim 1, it is characterised in that institute
The length for stating temperature sensing optic cable and the vibrating sensing optical cable is all higher than 3m.
A kind of 3. monitoring warning device of the real-time aperture of valves leakage and valve according to claim 1, it is characterised in that institute
State temperature sensing optic cable and the vibrating sensing optical cable is fixedly connected by connector with the pipeline, the connector is equipped with
Card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069155.6U CN207246542U (en) | 2017-08-24 | 2017-08-24 | A kind of monitoring warning device of the real-time aperture of valves leakage and valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721069155.6U CN207246542U (en) | 2017-08-24 | 2017-08-24 | A kind of monitoring warning device of the real-time aperture of valves leakage and valve |
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| Publication Number | Publication Date |
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| CN207246542U true CN207246542U (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721069155.6U Active CN207246542U (en) | 2017-08-24 | 2017-08-24 | A kind of monitoring warning device of the real-time aperture of valves leakage and valve |
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| CN (1) | CN207246542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113409969A (en) * | 2021-02-05 | 2021-09-17 | 海南核电有限公司 | Nuclear power plant valve internal leakage fault diagnosis method |
-
2017
- 2017-08-24 CN CN201721069155.6U patent/CN207246542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113409969A (en) * | 2021-02-05 | 2021-09-17 | 海南核电有限公司 | Nuclear power plant valve internal leakage fault diagnosis method |
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