CN205782030U - A kind of valve leakage Wireless Networking for pipe-line system detects device - Google Patents
A kind of valve leakage Wireless Networking for pipe-line system detects device Download PDFInfo
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- CN205782030U CN205782030U CN201620348073.4U CN201620348073U CN205782030U CN 205782030 U CN205782030 U CN 205782030U CN 201620348073 U CN201620348073 U CN 201620348073U CN 205782030 U CN205782030 U CN 205782030U
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Abstract
A kind of valve leakage Wireless Networking for pipe-line system detects device, including detection sensor, microcontroller, wireless transmitter module, wireless receiving module, valve leaks monitoring system；Detection sensor is fixing by snapping connection on ring support internal ring, senses the internal leakage situation of valve, and is converted into signal of telecommunication output；Microcontroller completes to detect analysis and the process of the sensor signal of telecommunication；Wireless transmitter module completes to judge the radio wave transmission of signal；Wireless receiving module completes the reception of radio wave signal；Valve leaks monitoring system controls the channel switch of wireless receiving module, and the classification of Leak Detection data message, shows, stores and the work such as warning.This utility model internal leakage any to valve can carry out real-time accurate detection, can realize multiple valves at scene by terminal unified monitoring, the Internet of things system that formation valve leakage detects simultaneously, substantially increase valve safety in utilization, improve efficiency, reduce human cost.
Description
Technical field
This utility model relates to pipeline valve detection equipment technical field, particularly to a kind of nothing for valve leakage
Line networking real-time detection apparatus.
Background technology
Valve is industrial a kind of important fluid control devices, relates to national economy many departments, is national economy
The fundamental equipments of development, has cut-off, regulation, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.Valve
There are numerous performance indications, such as sealing property, action sensitivity and reliability, hoisting capacity and keying moment, strength character, flowing
Medium, open and close speed and service life etc., and wherein sealing property be most important technical performance instruction.
The sealing property of valve refers to that valve each sealing steric hindrance stops the ability of dielectric leakage, and the leakage form of valve is main
It is divided into internal leakage and external leakage.What external leakage was typically due to valve packing and valve rod and stuffing-box coordinates place, valve body and valve gap
Junction poorly sealed cause, outside causing medium from valve internal leakage to valve, cause loss of material, environmental pollution, seriously
Time also can cause the accident.Internal leakage is that the contact position between opening and closing element and valve seat two sealing surface is poorly sealed, causes pipe interior to let out
Dew.Internal leakage is the most hidden, it is difficult to directly observe from outside, especially for the valve of frequent opening and closing, due to abrasion etc. because of
The internal leakage that element causes is difficult to find in time, thus causes the loss of material, can lead to huge accident time serious.
Along with the progress of technology, develop multiple valve leak detection method.Such as external leakage, Xi'an science and technology
University discloses a kind of buried type water supply pipe leak detecting device (patent publication No. CN 104266087 A), utilizes humidity
Sensor is laid along pipeline, is judged the situation of external leakage by the change of detection resistance of sensor, adopts in this way
The test problems of external leakage can effectively be solved.For valve leakage problem, Institutes Of Technology Of Changsha discloses a kind of valve
Leak detecting device (patent publication No. CN102323013 A), utilizes the valve internal acoustical signal that acoustic sensor gathers, logical
Data when not leaking crossing analytic transformation and preservation are compared, it is determined that whether valve leaks.This detection mode is passive
Detection, needs to arrange multiple measuring point, and is wired hand-held tester device, is unfavorable in industrial system large-scale automatic
Change detection.Scholar is additionally had to disclose a kind of nuclear power station valve leak wireless sound sound detection device and compression transmitting method, mainly
Use sound generator and sound-detection gear to combine leak case in valve is detected, belong to a kind of active detection method,
The method has used Radio Transmission Technology, such that it is able to remotely manage.But this method test system complex, actually used
Middle cost can be higher, is limited to the application in nuclear power station field, restricted application.Sound signal data amount is relatively big, examines in the method
Considering the bandwidth being wirelessly transferred to limit, compressed acoustical signal, this will necessarily reduce the accuracy of detection.
All have employed acoustical signal in patent disclosed in two above to detect, the maximum problem wherein faced is background
Effect of noise, under different environmental backgrounds, it is likely that the biggest difference occurs in the result detected.It addition, in valve
The situation of the micro-leakage in portion, acoustical signal is difficult to effectively judge it.
Utility model content
The purpose of this utility model is to propose a kind of valve leakage Wireless Networking for pipe-line system to detect device, with
Solve the real-time test problems of valve internal leakage, the especially detection of valve internal tiny leakage.This device is by being placed in valve
Detection coil at lower exit, detects the leakage situation of various magnitude.Caused by leakage by microcontroller collection
The change in voltage of detection coil, by the analyzing and processing of controller internal algorithm, it is determined that the leakage situation of valve.Then by valve
Leakage situation be converted into data encoding, pass control centre back by radio communication, thus realize the real-time inspection of valve leakage
Survey and monitoring.
This utility model adopts the following technical scheme that
A kind of valve leakage Wireless Networking for pipe-line system detects device, and this device is by detecting sensor, micro-control
Device processed, wireless transmitter module, wireless receiving module, valve leaks monitoring system.Wherein detect sensor, microcontroller and wireless
Transmitter module is sequentially connected with, and constitutes detection front end, and wireless receiving module is connected with valve leaks monitoring system, constitutes detection eventually
End, passes through wireless connections between front end and terminal.
Described detection sensor is mainly made up of ring support and detection line, and two parts are by ring support internal ring
Snap connection fixing.Detection sensor is installed between valve and downstream line, and described detection line is around the internal ring of ring support
Arrange, the two ends of described detection line through two radial direction through hole on ring support from internal ring cabling to outer shroud, connect outside
Microcontroller；The internal leakage situation of valve is sensed, and is converted into signal of telecommunication output.
Accumulate the impact of material to eliminate sensor upstream, the diameter d of ring support internal ring is less than pipe diameter D,
And (D-d)/D=2%～10%.Simultaneously in order to reduce the detection essence accumulating material between detection line and ring support to sensor
The impact of degree, makes arc-shaped structure by the surface of ring support internal ring, makes material be difficult in ring support inner ring surface and inspection
Gap between survey line is accumulated.The outer of ring support is equipped with two bolt positioning holes, makes detection sensor pacify in the duct
The effect of location is played during dress.The axial both side surface of ring support is provided with annular corrugated, for the sealing of fitting surface, prevents
The leakage of material.Detection line is arranged around the internal ring of ring support, limits its axial movement by the buckle on internal ring.Detection line
Two ends through two radial direction through hole on ring support from internal ring cabling to outer shroud, such that it is able to the microcontroller outside Lian Jieing
Device, injects in two radial direction through hole simultaneously and seals glue, prevent material from leaking.
Described microcontroller is mainly by interface circuit, A/D converter, central data processor, Serial Peripheral Interface (SPI) (master
Machine) quaternary.Interface circuit, A/D converter, central data processor, Serial Peripheral Interface (SPI) (main frame) are sequentially connected with, interface
Circuit is used for connecting detection line and A/D converter, wherein has two to adjust quick resistance R1、R2, for regulating the sensitivity of detection line.
The analog electrical signal of detection line is converted into digital signal by A/D converter, and is transferred to central data processor.At central data
Reason device copies into pattern recognition intelligent algorithm in advance, and the signal obtaining detection sensor sensing has been identified, it determines valve
The leak case of door.Then the leakage situation of valve is converted into digital coding, is transferred to by Serial Peripheral Interface (SPI) (main frame)
Wireless transmitter module, is gone out discriminant information by wireless transmit.
Described wireless transmitter module is mainly by Serial Peripheral Interface (SPI) (from machine), wireless transceiver I, wireless transmission antenna three
Part composition.Serial Peripheral Interface (SPI) (from machine), wireless transceiver I, wireless transmission antenna are sequentially connected with, Serial Peripheral Interface (SPI) (from
Machine) by characterize valve leak situation digital code transmission to wireless transceiver, be processed being converted into high-frequency oscillation signal, warp
Cross wireless transmission antenna to launch.
Described wireless receiving module is mainly made up of wireless receiving antenna, wireless transceiver II, USB interface three part.
Wireless receiving antenna, wireless transceiver II, USB interface are sequentially connected with, and wireless receiving antenna receives radio wave, and by signal
It is transferred to wireless transceiver II, is decoded being reduced into the digital coding of the leakage situation of reaction valve, is transmitted by USB interface
To the valve leaks monitoring system of terminal.
The switching of the operating frequency passage of wireless receiving module is controlled, additionally by described valve leaks monitoring system
The data message obtained is sorted out, shows and stored, and to occurring that the valve revealed is reported to the police；About valve in system
Detection Automatic generation of information data base and achieve, in order to the inquiry in later stage and analysis.
The detection device that this utility model is proposed, by detection sensor, microcontroller, wireless transmitter module, terminal without
Line receiver module, valve leak monitoring system five major part constitute the valve leakage detection device of complete set, by wireless
LAN couples, such that it is able to realize on-the-spot multiple valves by terminal unified monitoring, formation valve leakage detection
Internet of things system, be greatly improved the field such as industry, people's livelihood valve safety in utilization, improve efficiency, reduce human cost.
This utility model compared with prior art has the advantage that
(1) detection line is fixed on pipe interior by ring support, can detect pipe internal leakage situation fast and accurately, especially
Being internal tiny leakage, compared to other method, method of the present utility model is more for advantage.
(2) transducing signal of valve leakage collection, analyze and judge that the microcontroller held before detection completes,
Thus greatly reduce the data volume being wirelessly transferred, strengthen the reliability of system；Simultaneously as the minimizing of transmitted data amount, also
Make the extension detecting front end simple and convenient.
(3) it is simultaneously connected with multiple detection front end by a detection terminal, constitutes a complete detecting system, it is simple to automatically
Change and intensive management, be effectively improved efficiency and reduce human cost.
Accompanying drawing explanation
Fig. 1 is that valve leakage of the present utility model surveys plant system drawing.
Fig. 2 is the detection sensor construction figure of this utility model device.Wherein, figure (a) is detection sensor installation diagram, figure
B () is detection sensor structure front view, figure (c) is detection sensor structural side view.
Fig. 3 is the microcontroller architecture figure of this utility model device.Wherein, figure (A) is microcontroller functional structure
Figure, figure (B) is interface circuit schematic diagram, wherein Ls1For holding wire I, Ls2For holding wire II, LI1For sensing line I, LI2For sensing line
II, R1、R2For adjusting quick resistance.
Fig. 4 is the wireless transmitter module structure chart of this utility model device.
Fig. 5 is the wireless receiving module structure chart of this utility model device.
Fig. 6 is the valve leak monitoring system flow chart of this utility model device.
In figure: 1 is detection sensor；2 is microcontroller；3 is wireless transmitter module；4 is wireless receiving module；5 is valve
Door leakage monitoring system；1-1 is ring support；1-2 is detection line；2-1 interface circuit；2-2 A/D converter；2-3 central authorities number
According to processor；2-4 Serial Peripheral Interface (SPI) (main frame)；3-1 Serial Peripheral Interface (SPI) (from machine)；3-2 wireless transceiver I；3-3 is wireless
Penetrate antenna；4-1 wireless receiving antenna；4-2 wireless transceiver II；4-3 USB interface.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further.
As shown in Figure 1, this device is by detecting sensor (1), microcontroller (2), wireless transmitter module (3), wireless connecing
Receive module (4), valve leaks monitoring system (5) five major part composition.Wherein detect sensor (1), microcontroller (2), wireless
Transmitter module (3) constitutes detection front end, and wireless receiving module (4) and valve leaks monitoring system (5) constitute detection terminal, front
Wireless connections are passed through between end and terminal.
As shown in Figure 2, the detection sensor (1) of this device is mainly by ring support (1-1) and detection line (1-2) group
Becoming, two parts are fixing by snapping connection on ring support (1-1) internal ring.Detection sensor is installed on valve and downstream line
Between, the internal leakage situation of valve is sensed, and is converted into signal of telecommunication output.Material is accumulated in order to eliminate sensor upstream
Impact, the diameter d of ring support (1-1) internal ring is less than pipe diameter D, (D-d)/D=5%.Simultaneously in order to reduce detection
Accumulate material between line (1-2) and ring support (1-1), affect the accuracy of detection of sensor, by ring support (1-1) internal ring
Arc-shaped structure is made on surface, makes material be difficult in the gap between ring support (1-1) inner ring surface and detection line (1-2)
Accumulate.The outer of ring support (1-1) is equipped with two bolt positioning holes, makes detection sensor (1) play when installing in the duct
The effect of location.The axial both side surface of ring support (1-1) is provided with annular corrugated, for the sealing of fitting surface, prevents thing
The leakage of material.Detection line (1-2) is arranged around the internal ring of ring support (1-1), limits axial movement by the buckle on internal ring.
The two ends of detection line (1-2) through two radial direction through hole on ring support (1-1) from internal ring cabling to outer shroud, such that it is able to even
Connect the microcontroller (2) of outside, inject in two radial direction through hole simultaneously and seal glue, prevent material from leaking.
As shown in Figure 3, the microcontroller (2) of this device mainly by interface circuit (2-1), A/D converter (2-2), in
Centre data processor (2-3), Serial Peripheral Interface (SPI) (main frame) (2-4) four part composition.Interface circuit (2-1) connects detection line
(1-2) and A/D converter, interface circuit (2-1) there are two adjust quick resistance R1, R2, are used for regulating what detection line (1-2) detected
Sensitivity.The analog electrical signal of detection line (1-2) is converted into digital signal by A/D converter (2-2), and is transferred to central data
Processor (2-3).Central data processor (2-3) in this embodiment uses ATMEGA328P chip.Central data processes
Device (2-3) copies into pattern recognition intelligent algorithm in advance, and the signal obtaining detection sensor (1) sensing has been identified,
Differentiate the leak case of valve.Then the leakage situation of valve is converted into digital coding, by Serial Peripheral Interface (SPI) (main frame)
(2-4) it is transferred to wireless transmitter module (3), discriminant information is gone out by wireless transmit.
As shown in Figure 4, the wireless transmitter module (3) of this device is mainly by Serial Peripheral Interface (SPI) (from machine) (3-1), wireless
Transceiver I (3-2), wireless transmission antenna (3-3) three part form.Wireless transceiver I in this embodiment uses
NRF24L01 chip.Serial Peripheral Interface (SPI) (from machine) (3-1) will characterize the digital code transmission of valve leak situation to wireless receipts
Send out device (3-2), be processed being converted into high-frequency oscillation signal, launch through wireless transmission antenna (3-3).
As shown in Figure 5, the wireless receiving module (4) of this device is main by wireless receiving antenna (4-1), wireless transceiver
II (4-2), USB interface (4-3) three part form.Wireless transceiver II in this embodiment uses nRF24L01 core equally
Sheet.Wireless receiving antenna (4-1) receives radio wave, and transmits a signal to wireless transceiver II (4-2), is decoded reduction
Become the digital coding of the leakage situation of reaction valve, be transferred to the valve leaks monitoring system of terminal by USB interface (4-3)
(5)。
As shown in Figure 6, the operating frequency of wireless receiving module (4) is led to by the valve leaks monitoring system (5) of this device
Road is circulated switching control, it is ensured that the information of the detection front end of each valve can acquisition order obtain.To the detection obtained
Data message is sorted out by front end valve numbering, and shows respectively, simultaneously for occurring that the valve revealed is reported to the police.System
The interior Automatic generation of information data base about valve detection of system also achieves, in order to the inquiry in later stage and analysis.Radio frequency channel n
Value be 1-N, and circulation value.
1～6 describe operation principle of the present utility model in detail below in conjunction with the accompanying drawings.
Sensor (1) will be detected and be installed on the junction of valve downstream and pipeline, the port of detection line (1-2) and microcontroller
The interface circuit (2-1) of device (2) is connected.Wireless transmitter module (3) passes through Serial Peripheral Interface (SPI) (from machine) (3-1) and microcontroller
The Serial Peripheral Interface (SPI) (main frame) (2-4) of device (2) is connected.Wireless receiving module (4) is let out with valve by USB interface (4-3)
Dew monitoring system (5) is connected.
After valve leakage detection device connection is complete, power on operation.When valve produces leakage, the material of leakage connects
When contacting detection line (1-2), detection line (1-2) internal wiring is transformed into conducting state by disconnection so that the voltage at circuit two ends
Change.It addition, the length difference in material is immersed in detection line (1-2), the voltage at circuit two ends also can be different.Microcontroller
(2) voltage signal of detection line (1-2) is acquired and is converted into digital signal, in being transferred to by the A/D converter (2-2) in
Centre data processor (2-3).Central data processor (2-3) carries out computing to digital signal, and combination is pre-stored within internal memory
Among pattern recognition intelligent algorithm to gather digital signal be analyzed identify, it is determined that be valve create leakage or valve
Door is normally-open；If it is determined that being valve leak, the size of amount of leakage can be estimated further.Then the result of judgement is transformed into
Corresponding digital coding, is transferred to the Serial Peripheral Interface (SPI) of wireless transmitter module (3) by Serial Peripheral Interface (SPI) (main frame) (2-4)
(from machine) (3-1), and then it is transferred to wireless transceiver I (3-2), and be processed being converted into high-frequency oscillation signal, through wireless
Launch antenna (3-3) to launch.
The wireless receiving module (4) of detection terminal receives wireless high-frequency oscillator signal by wireless receiving antenna (4-1), passes
It is defeated by wireless transceiver II (4-2), and carries out the digital coding that decoded back becomes the leakage situation of reaction valve, connect by USB
Mouth (4-3) is transferred to valve leaks monitoring system (5).
Valve leaks monitoring system (5) is on the one hand circulated switching to the operating frequency passage of wireless receiving module (4)
Control, it is ensured that the collection of the status information of each valve.On the other hand to the detection data message obtained by front end valve numbering
Sort out, and show respectively, simultaneously for occurring that the valve revealed is reported to the police.The interior information about valve detection of system is certainly
Dynamic generation data base also achieves.
Above this utility model is described in detail, its object is to make the personage's energy being familiar with this art much of that
Solve content of the present utility model and be carried out, protection domain of the present utility model, and this utility model can not be limited with this
It is not limited to the above embodiments, all equivalence changes made according to spirit of the present utility model or modification, all should contain
Within protection domain of the present utility model.
Claims (4)
1. for a valve leakage Wireless Networking detection device for pipe-line system, including detection sensor, microcontroller, nothing
Line transmitter module, wireless receiving module, valve leaks monitoring system, it is characterised in that:
Described detection sensor includes ring support and detection line, and two parts are solid by snapping connection on ring support internal ring
Fixed, described detection line is arranged around the internal ring of ring support, and the two ends of described detection line are through two radial directions on ring support
Through hole microcontroller from internal ring cabling to outer shroud, outside connection；
Described microcontroller includes interface circuit, A/D converter, central data processor, Serial Peripheral Interface (SPI), interface electricity
Road, A/D converter, central data processor, Serial Peripheral Interface (SPI) are sequentially connected with, described interface circuit be used for connecting detection line and
A/D converter, the analog electrical signal of detection line is converted into digital signal, and is transferred at central data by described A/D converter
Reason device, the signal gathered is identified and judges, and result of determination being connect by serial peripheral by described central data processor
Wireless transmitter module is defeated by oral instructions；
Described wireless transmitter module includes Serial Peripheral Interface (SPI), wireless transceiver I, wireless transmission antenna, Serial Peripheral Interface (SPI),
Wireless transceiver I, wireless transmission antenna are sequentially connected with, and described Serial Peripheral Interface (SPI) will characterize the numeral volume of valve leak situation
Code is transferred to wireless transceiver, is processed being converted into high-frequency oscillation signal, launches through wireless transmission antenna；
Described wireless receiving module includes wireless receiving antenna, wireless transceiver II, USB interface, wireless receiving antenna, wireless
Transceiver II, USB interface are sequentially connected with, and described wireless receiving antenna receives radio wave, and transmits a signal to wireless receipts
Send out device II, described wireless transceiver II and electric wave signal be decoded being reduced into the digital coding of the leakage situation of reaction valve,
And the valve leaks monitoring system of terminal it is transferred to by USB interface；
Described valve leaks monitoring system is that the operating frequency passage to wireless receiving module is circulated switching control, and right
The data message obtained carries out sorting out, show and store, to occurring that the valve revealed is reported to the police, to the information of valve detection oneself
Dynamic generation data base also achieves.
Valve leakage Wireless Networking for pipe-line system the most according to claim 1 detects device, it is characterised in that:
The diameter d of described ring support internal ring is less than pipe diameter D, and (D-d)/D=2%～10%.
Valve leakage Wireless Networking for pipe-line system the most according to claim 2 detects device, it is characterised in that:
Arc-shaped structure is made on the surface of described ring support internal ring, and the outer of ring support is equipped with two bolt positioning holes.
Valve leakage Wireless Networking for pipe-line system the most according to claim 3 detects device, it is characterised in that:
The axial both side surface of described ring support is provided with annular corrugated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348073.4U CN205782030U (en) | 2016-04-25 | 2016-04-25 | A kind of valve leakage Wireless Networking for pipe-line system detects device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620348073.4U CN205782030U (en) | 2016-04-25 | 2016-04-25 | A kind of valve leakage Wireless Networking for pipe-line system detects device |
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| CN205782030U true CN205782030U (en) | 2016-12-07 |
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| CN201620348073.4U Withdrawn - After Issue CN205782030U (en) | 2016-04-25 | 2016-04-25 | A kind of valve leakage Wireless Networking for pipe-line system detects device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757465A (en) * | 2016-04-25 | 2016-07-13 | 华东交通大学 | Valve inner leakage wireless networking real-time detecting device |
-
2016
- 2016-04-25 CN CN201620348073.4U patent/CN205782030U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757465A (en) * | 2016-04-25 | 2016-07-13 | 华东交通大学 | Valve inner leakage wireless networking real-time detecting device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20180227 |
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| AV01 | Patent right actively abandoned |