CN206930411U - A kind of valves leakage temperature-detecting device - Google Patents
A kind of valves leakage temperature-detecting device Download PDFInfo
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- CN206930411U CN206930411U CN201720535133.8U CN201720535133U CN206930411U CN 206930411 U CN206930411 U CN 206930411U CN 201720535133 U CN201720535133 U CN 201720535133U CN 206930411 U CN206930411 U CN 206930411U
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Abstract
The utility model discloses a kind of valves leakage temperature-detecting device,Including head temperature sensor,Circuit module,Display module and electric power system,Circuit module includes amplification module,Signal acquisition module and data processing module,The output end of head temperature sensor and front end sensors interface,The input of front end sensors interface and amplification module connects,The output end of amplification module and the input of signal acquisition module connect,The output end of signal acquisition module and the input of data processing module connect,Input of the output end of data processing module respectively with display module and memory module is connected,The present apparatus can realize that measurement is shown with result in real time,Measured using temperature sensors of high precision,High-precision thermometric provides reliable data for data analysis,Carry data analysis module,Data processing is carried out independent of computer,Each module is individually designed,It is final to integrate encapsulation in the housing,It is easy to operate,It is reasonable in design,It is convenient for carrying.
Description
Technical field
The utility model is applied to valves leakage detection technique field, and in particular to a kind of valves leakage temperature detection dress
Put.
Background technology
Valve is widely used in the industries such as petrochemical industry, thermoelectricity, nuclear power, is control unit important in fluid delivery system, accurate
Really detection valves leakage situation has vital effect to industrial production.Valves leakage temperature checking method, it is in valve
Upstream and downstream mounting temperature sensor, valve ambient temperature is measured, be used as detecting the feature ginseng of the whether interior leakage of valve
Number, by gathering valve upstream and downstream temperature, judges valves leakage situation, existing valves leakage temperature after instrument data is analyzed
Spend detection means and thermometric is carried out using infrared measurement of temperature instrument, can not be used in the case where valve to be measured or pipeline have the operating mode of heat-insulation layer.
The content of the invention
In order to solve the above problems, the utility model provides a kind of valves leakage temperature-detecting device, the utility model
It is reasonable in design, pass through setting.
To reach above-mentioned purpose, a kind of valves leakage temperature-detecting device described in the utility model senses including head temperature
Device, circuit module, display module and electric power system, head temperature sensor is arranged on the outer surface of valve downstream pipeline, described
Head temperature sensor is platinum resistance thermometer, and circuit module includes amplification module, signal acquisition module and data processing module,
The input of the output end of head temperature sensor and front end sensors interface, front end sensors interface and amplification module connects,
The output end of amplification module and the input of signal acquisition module connect, the output end and data processing module of signal acquisition module
Input connection, the input of the output end of data processing module respectively with display module and memory module be connected, and power supply is
System electrically connects with circuit module and display module respectively.
The head temperature sensor and rear end temperature sensor are used for measure field temperature, and temperature signal is converted into electricity
Signal, and electric signal is transferred to amplification module；Amplification module is used for receiving front-end temperature sensor and rear end temperature sensor
The voltage signal of transmission, amplify the voltage signal, and the electric signal after amplification is transferred to filtration module；Signal acquisition module
For receiving the signal of amplification module transmission, the collection of horizontal electrical signal is entered to the signal received, carries out analog-to-digital conversion, and will turn
Data signal after changing passes to data processing module；Data processing module is used for the numeral letter that reception signal acquisition module is sent
Number, current temperature value is calculated according to the data signal received, and compared with the threshold value of setting, judge whether in generation
Leakage, then will determine that result is transferred to display module；Display module is used for the working condition and data of real-time display circuit module
The judged result of processing module；Electric power system is used to power to display module and circuit module.
The circuit module also includes filtration module, and the input of the filtration module and the output end of amplification module connect
Connect, the output end of filtration module and the input of data processing module connect, and filtration module is used to receive amplification module transmission
Signal, the input signal is filtered, filtered signal is then transferred to signal acquisition module.
The circuit module also includes communication module, and the communication module communicates to connect with data processing module, described logical
Letter module is used to communicate with computer.
The circuit module also includes memory module, and the memory module is used for the signal for receiving data processing module, and
Carry out storage measurement result.
Also include rear end temperature sensor and rear end sensor interface, the rear end temperature sensor is platinum resistance temperature
Meter, rear end temperature sensor are arranged on the outer surface of valve downstream pipeline, the output end of the rear end temperature sensor and rear end
Sensor interface connects, the input connection of the rear end sensor interface and amplification module.
Connected between front end sensors and the front end sensors interface using radio communication, rear end sensor passes with rear end
Connected between sensor interface using radio communication.
Also include cabinet, the circuit module and electric power system encapsulate in the chassis, the display screen of the display module
It is arranged on cabinet outer surface.
The circuit module also includes being used for the charging circuit to circuit module charging, and the charging circuit input is set
There is USB interface.
Compared with prior art, the utility model at least has technique effect beneficial below, before the utility model includes
End temperature sensor, circuit module, display module and electric power system, head temperature sensor are arranged on valve downstream pipeline appearance
Face, it can be achieved to measure in real time and result shown, measured using temperature sensors of high precision, by the amplification and conversion of signal
The temperature of valve or pipeline is finally given, precision is high, and valve and pipeline original structure will not be damaged, high-precision survey
Temperature provides reliable data for data analysis, carries data analysis module, and data processing, operation letter are carried out independent of computer
Just, it is convenient for carrying.Temperature sensor selects platinum resistance thermometer, and platinum resistance thermometer can pass through valve upstream and downstream pipeline to be measured
On heat-insulation layer, directly contacted with the wall of pipeline, accurate measurement wall surface temperature；The thermometric degree of accuracy is high, and scope is wide.
Further, circuit module also includes filtration module, the output of the input and amplification module of the filtration module
End connection, the output end of filtration module and the input of data processing module connect, and filtration module is used to receive amplification module biography
The signal passed, the input signal is filtered, reduces the harmonic wave interference in circuit, filtered signal is then transferred to letter
Number acquisition module.
Further, circuit module also includes communication module, and the communication module communicates to connect with data processing module, institute
State communication module to be used to communicate with computer, be easy to the transmission of measurement data, inquiry, preserve, and USB can be passed through
It is connected with computer, carries out data transmission and charge.
Further, circuit module also includes memory module, and the memory module is used for the letter for receiving data processing module
Number, and storage measurement result is carried out, the output signal of data processing module can be stored in time.
Further, in addition to rear end temperature sensor, rear end temperature sensor are platinum resistance thermometer, and rear end temperature passes
Sensor is arranged on the outer surface of valve downstream pipeline, and output end and the rear end sensor interface of the rear end temperature sensor connect
Connect, the input connection of the rear end sensor interface and amplification module, two temperature sensors are set, while measure on valve
Trip and the temperature of downstream line, and Data acquisition and issuance is carried out by circuit module, prevent from judging by accident, improve the accurate of measurement result
Property.
Further, between front end sensors and front end sensors interface using radio communication connect, rear end sensor with
Connected between the sensor interface of rear end using radio communication, avoid the trouble of wiring, reduce floor space.
Further, in addition to cabinet, the circuit module and electric power system encapsulate in the chassis, the display module
Display screen be arranged on cabinet outer surface, integrated level is high, transport, easy to use, colleague's cabinet to circuit module, electric power system and
Display module shields.
Further, circuit module also includes being used for the charging circuit to circuit module charging, the charging circuit input
End is provided with USB interface, can be connected by USB with computer, circuit module is charged.
The valves leakage temperature-detecting device of the utility model autonomous Design, temperature measurement accuracy is high, strong antijamming capability,
And it can realize that multi way temperature surveys synchro measure, authentic data is provided for data analysis；Data analysis is in two stages to valve
Capable judgement is inside leaked into, it is first determined whether leaking, if it happens carries out valve leak rational judgment again.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the connection diagram of each part of the utility model；
Signal transmits schematic diagram when Fig. 3 is utility model works；
Fig. 4 is that sensor is connected circuit diagram with circuit module；
In accompanying drawing：11st, head temperature sensor, 12, rear end temperature sensor, 3, circuit module, 4, display module, 5, supply
Electric system, 6, cabinet, 7, heat-insulation layer, 8, valve, 91, upstream line, 92, downstream line, 101, front end sensors interface, 102,
Rear end sensor interface, 13, USB interface.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
Referring to figs. 1 to Fig. 3, a kind of valves leakage temperature-detecting device includes head temperature sensor 11, rear end temperature passes
Sensor 12, circuit module 3, display module 4, electric power system 5 and cabinet 6, head temperature sensor 11, rear end temperature sensor 12
It is separately positioned in the heat-insulation layer 7 of the outer surface of the upstream line 91 of valve 8 and downstream line 92, holds temperature sensor 11 and rear end
Temperature sensor 12 is platinum resistance thermometer, head temperature sensor 11 and rear end temperature sensor 12 away from the geometry of valve 8
The horizontal range of the heart is less than 5cm, circuit module 3 include amplification module, filtration module, signal acquisition module, data processing module,
Memory module and communication module, wherein amplification module, filtration module, signal acquisition module composition measurement module, head temperature pass
The output end of sensor 11 and rear end temperature sensor 12 connects with front end sensors interface 101 and rear end sensor interface 102 respectively
Connect, front end sensors interface 101 and rear end sensor interface 102 are connected with the input of amplification module, the output of amplification module
End is connected with the input of filtration module by communication cable or wireless telecommunications, the output end and signal acquisition module of filtration module
Input connection, the input of the output end of signal acquisition module and data processing module connects, data processing module it is defeated
Go out input of the end respectively with display module and memory module to be connected, data processing module and communication module two-way communication link；
Electric power system 5 electrically connects with circuit module 3 and display module 4 respectively；Circuit module 3 and electric power system 5 are encapsulated in cabinet 6
In, cabinet realizes the organic assembling of each module, and the display screen of display module 4 is arranged on the outer surface of cabinet 6.
Head temperature sensor 11 and rear end temperature sensor 12 are used for measure field temperature, and temperature signal is converted into can
With the electric signal of measurement, and electric signal is transferred to amplification module；
Amplification module is used for the voltage signal that receiving front-end temperature sensor 11 and rear end temperature sensor 12 transmit, amplification
The voltage signal, and the electric signal after amplification is transferred to filtration module, after being easy to and circuit gathers；
Filtration module is used for the signal for receiving amplification module transmission, and the input signal is filtered, reduced in circuit
Harmonic wave interference, filtered signal is then transferred to signal acquisition module；
Signal of the signal acquisition module for the module transmission that accepts filter, enters adopting for horizontal electrical signal to the signal received
Collection, analog-to-digital conversion is carried out, and the data signal after conversion is passed into data processing module；
Data processing module is used for the data signal that reception signal acquisition module is sent, according to the data signal meter received
Current temperature value is calculated, and compared with the threshold value of setting, judges whether that interior leakage occurs, if saltus step does not occur for input signal,
Then illustrate that valve does not leak, input signal is as background noise stored；In the event of saltus step, then judged result is valve
Interior leakage is drawn, and then will determine that result is transferred to memory module, communication module and display module；
Memory module is used for the signal for receiving data processing module, and carries out storage measurement result；
Communication module is used to communicate with computer, is easy to the transmission of measurement data, inquiry, preserves, and can pass through general string
Row bus are connected with computer, are carried out data transmission and are charged；
The usb 13 for being charged to circuit module 3 is provided with circuit module 3；
Display module 4 is used for the working condition of real-time display circuit module 3 and the judged result of data processing module, display
The display screen of module 4 is touch-screen, and measurement in real time can be achieved and show that high-precision thermometric provides reliably for data analysis with result
Data；
Electric power system 5 is used to power to display module 4 and circuit module 3；
Referring to Fig. 4, circuit module 3 forms loop with sensor, and circuit module forms loop with sensor and uses " four lines
System " connection connection, RθFor sensor, RWFor sensor conductor resistance, ISFor constant-current source, UMFor measured signal, RθBoth ends pass through
Sensor conductor respectively with constant-current source ISWith measured signal UMBoth ends connection, measured signal UMThe input of circuit module is accessed,
That is the input of measurement module.
Signal acquisition module selects PCM4202EVM, and the collection and numeral for carrying out analog electrical signal are changed, data processing mould
Block selects STM3240G-SK/KEI, carries out data comparison, and exports comparative result, and communication module selects USB3300USB HS
Board, the data transfer with computer is realized by USB interface.
Preferably, connected between front end sensors 11 and front end sensors interface 101 using radio communication, rear end sensor
Connected between 12 and rear end sensor interface 102 using radio communication, be specially：Front end sensors 11 and rear end sensor 12
Input of the output end respectively with the first wireless signal transceiver and second wireless singal transceiver is connected, and the first wireless signal is received
The output end for sending out device and second wireless singal transceiver is wireless by the first analog-digital converter and the second analog-digital converter and the 3rd
The input of signal transceiver and the 4th wireless signal transceiver is connected, and the 3rd wireless signal transceiver and the 4th wireless signal are received
Send out the output end of device and the input of circuit module connects, i.e., connect with front end sensors interface 101 and rear end sensor interface 102
Connect, connected between sensor and measurement module using wireless telecommunications, eliminate the trouble of wiring, saved floor space, scene
By analog signal digital, signal is more accurate, and measurement result is more accurate.
The workflow of the present apparatus is as follows：
By head temperature sensor and the temperature of rear end temperature sensor measurement valve nose pipeline and rear end pipeline, and will
The signal measured is transferred to measurement module, and measuring circuit coordinates sensor to realize high precision measuring temperature, amplify by signal, filter and
After gatherer process, data processing module is transmitted signals to, data analysis and record are carried out by data processing module, are respectively compared
Whether the temperature of two measurement points occurs saltus step, if saltus step occurs for two temperature, illustrates valves leakage, if not jumping
Become, be then judged as that interior leakage does not occur for valve, if an only signal occurs saltus step and illustrates that temperature occurs in temperature measurement system, exclude
Continue to measure after problem, display screen provides measurement and analysis result in real time, and it is real-time that data processing module carries out electric quantity of power supply simultaneously
Monitoring,；Can real-time testing, record and analyze data, and touch-screen show analysis result, pass through USB and computer
Connection, carry out data interaction and can be charged, electric power system is converted to battery output the level of each module needs, realization pair
The power supply of whole system.
Claims (9)
- A kind of 1. valves leakage temperature-detecting device, it is characterised in that including head temperature sensor (11), circuit module (3), Display module (4) and electric power system (5), head temperature sensor (11) are arranged on the outer surface of valve (8) upstream line (91), The head temperature sensor (11) is platinum resistance thermometer, and circuit module (3) includes amplification module, signal acquisition module sum According to processing module, output end and the front end sensors interface (101) of head temperature sensor (11), front end sensors interface (101) it is connected with the input of amplification module, the output end of amplification module and the input of signal acquisition module are connected, and signal is adopted Collect the output end of module and the input of data processing module connect, the output end of data processing module respectively with display module and The input connection of memory module, electric power system (5) electrically connect with circuit module (3) and display module (4) respectively.
- A kind of 2. valves leakage temperature-detecting device according to claim 1, it is characterised in that the head temperature sensing Device (11) and rear end temperature sensor (12) are used for measure field temperature, and temperature signal is converted into electric signal, and by electric signal It is transferred to amplification module；Amplification module is used for the voltage signal that receiving front-end temperature sensor (11) and rear end temperature sensor (12) transmit, amplification The voltage signal, and the electric signal after amplification is transferred to filtration module；Signal acquisition module is used for the signal for receiving amplification module transmission, and the collection of horizontal electrical signal is entered to the signal received, is entered Row analog-to-digital conversion, and the data signal after conversion is passed into data processing module；Data processing module is used for the data signal that reception signal acquisition module is sent, and is calculated according to the data signal received Current temperature value, and compared with the threshold value of setting, judge whether that interior leakage occurs, it then will determine that result is transferred to display mould Block；Display module (4) is used for the working condition of real-time display circuit module (3) and the judged result of data processing module；Electric power system (5) is used to power to display module (4) and circuit module (3).
- A kind of 3. valves leakage temperature-detecting device according to claim 1, it is characterised in that the circuit module (3) Also include filtration module, the input of the filtration module and the output end of amplification module connect, the output end of filtration module with The input connection of data processing module, filtration module are used for the signal for receiving amplification module transmission, the input signal are carried out Filtering, is then transferred to signal acquisition module by filtered signal.
- A kind of 4. valves leakage temperature-detecting device according to claim 1, it is characterised in that the circuit module (3) Also include communication module, the communication module communicates to connect with data processing module, and the communication module is used to lead to computer Letter.
- A kind of 5. valves leakage temperature-detecting device according to claim 1, it is characterised in that the circuit module (3) Also include memory module, the memory module is used for the signal for receiving data processing module, and carries out storage measurement result.
- 6. a kind of valves leakage temperature-detecting device according to claim 1, it is characterised in that also passed including rear end temperature Sensor (12) and rear end sensor interface (102), the rear end temperature sensor (12) are platinum resistance thermometer, and rear end temperature passes Sensor (12) is arranged on the outer surface of valve (8) downstream line (92), and the output end of the rear end temperature sensor (12) is with after End sensor interface (102) connects, and the rear end sensor interface (102) is connected with the input of amplification module.
- A kind of 7. valves leakage temperature-detecting device according to claim 6, it is characterised in that the front end sensors (11) it is connected between front end sensors interface (101) using radio communication, rear end sensor (12) and rear end sensor interface (102) connected between using radio communication.
- 8. a kind of valves leakage temperature-detecting device according to claim 1, it is characterised in that also including cabinet (6), institute State circuit module (3) and electric power system (5) is encapsulated in cabinet (6), the display screen of the display module (4) is arranged on cabinet (6) outer surface.
- A kind of 9. valves leakage temperature-detecting device according to claim 1, it is characterised in that the circuit module (3) Also include being used for the charging circuit to circuit module (3) charging, the charging circuit input is provided with USB interface (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720535133.8U CN206930411U (en) | 2017-05-12 | 2017-05-12 | A kind of valves leakage temperature-detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720535133.8U CN206930411U (en) | 2017-05-12 | 2017-05-12 | A kind of valves leakage temperature-detecting device |
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| Publication Number | Publication Date |
|---|---|
| CN206930411U true CN206930411U (en) | 2018-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720535133.8U Expired - Fee Related CN206930411U (en) | 2017-05-12 | 2017-05-12 | A kind of valves leakage temperature-detecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206930411U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044870A (en) * | 2017-05-12 | 2017-08-15 | 交通运输部天津水运工程科学研究所 | A kind of multi-parameter portable warehousing and transportation facilities detector |
| CN109000863A (en) * | 2018-08-09 | 2018-12-14 | 上海航天设备制造总厂有限公司 | A kind of air tightness detection system and its detection method of SLM device molding cavity |
| CN110083876A (en) * | 2019-04-01 | 2019-08-02 | 南京兆能节能科技有限公司 | A kind of power plant high-temperature high pressure valve is interior to leak automatic analysis system and analysis method |
-
2017
- 2017-05-12 CN CN201720535133.8U patent/CN206930411U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044870A (en) * | 2017-05-12 | 2017-08-15 | 交通运输部天津水运工程科学研究所 | A kind of multi-parameter portable warehousing and transportation facilities detector |
| CN109000863A (en) * | 2018-08-09 | 2018-12-14 | 上海航天设备制造总厂有限公司 | A kind of air tightness detection system and its detection method of SLM device molding cavity |
| CN110083876A (en) * | 2019-04-01 | 2019-08-02 | 南京兆能节能科技有限公司 | A kind of power plant high-temperature high pressure valve is interior to leak automatic analysis system and analysis method |
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| 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: 20180126 Termination date: 20180512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |