CN206114149U - Temperature measurement passageway simulation inspection device - Google Patents
Temperature measurement passageway simulation inspection device Download PDFInfo
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- CN206114149U CN206114149U CN201621080135.4U CN201621080135U CN206114149U CN 206114149 U CN206114149 U CN 206114149U CN 201621080135 U CN201621080135 U CN 201621080135U CN 206114149 U CN206114149 U CN 206114149U
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- wire system
- analogue means
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- testing arrangement
- cable
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Abstract
The utility model provides a temperature measurement passageway simulation inspection device, its characterized in that includes testing arrangement and analogue means, this testing arrangement of and the four -wire system cable junction of analogue means through having the crossover sub, testing arrangement include: connect gradually industrial control computer, digital collector, multichannel terminal card with communication cable. The utility model has the advantages of adopt measurement standard resistance simulation temperature signal, suppress interference is fast locked the trouble rapidly and is in time disappeared scarcely, this device detects weak point consuming time, the precision is high to improve detection efficiency, reduce measurement personnel radiation does, eliminate pressing experiment in -process temperature sensor trouble hidden danger, improve the level of safety of nuclear power plant.
Description
Technical field
The utility model is related to a kind of temperature measuring channel mock survey device, for nuclear power plant's reactor core fuel
The inspection of the temperature measuring channel in simulation seal tightness test between element and surrounding environment.
Background technology
To ensure the public and Environmental security, nuclear power plant arranges containment as nuclear power plant's reactor core fuel element and week
Last one barrier between collarette border.Therefore, used as a seal casinghousing, its sealing property need to meet operation will for containment
Ask.
At present, it is with The Ideal-Gas Equation as theoretical foundation, using survey to the test of containment overall sealing performance
Temperature that amount is disposed within, humidity, pressure are realizing the indirect calculating of slip.Wherein, temperature adopts four-wire system resistance
Signal realizes measurement.In actually measurement, due to Containment free volume it is huge, so the temperature being arranged in inside containment is passed
Sensor is large number of, position dispersion, and wiring is complicated.Additionally, atmospheric temperature constantly changes in containment, such as some sensors
Break down, particularly short circuit, open circuit fault occurs in four-wire system resistor wiring end, it is difficult to it is monitored and investigate, it is bulge test
Bring huge hidden danger.
Therefore, if a set of fast and accurately temperature measuring channel mock survey device of design, can efficiently solve
State problem.
The content of the invention
The purpose of this utility model is to provide a kind of inspection of temperature measuring channel in energy simulated implementation seal tightness test
Device, to guarantee to eliminate the impact that temperature sensor breaks down during containment bulge test, effectively improves nuclear power plant
Operation safety.
The technical solution of the utility model is as follows：A kind of temperature measuring channel mock survey device, it is characterised in that include
Test device and analogue means, the test device is with analogue means by the four-wire system cable connection with crossover sub；It is described
Test device include：Industrial control computer, digital acquisition device, multichannel terminal card are sequentially connected with communication cable.
Described temperature simulator includes：The plug end and four-wire system measuring resistance of special four cores Aviation Connector, this four
Line measuring resistance draws four wiring pins, corresponds weldering with the plug end of described special four cores Aviation Connector respectively
Connect.
Described four-wire system cable connects as follows：Its one end draws four holding wires, accesses described test
In the multichannel terminal card of device；The other end of the four-wire system cable is drawn and is connected with the socket end of special four cores Aviation Connector.
The beneficial effects of the utility model are：Using measurement standard resistance simulation temperature signal, can quickly exclude dry
Disturb, rapid locking failure and in time defect elimination；The detection of this device takes short, high precision, so as to improving detection efficiency, reducing detection people
Member's dose of radiation, eliminates temperature sensor fault hidden danger during bulge test, improves the level of security of nuclear power plant.
Description of the drawings
The structural representation for purpose device that Fig. 1 is provided for the utility model.
In figure：1. test device；11. industrial control computers；12. digital acquisition devices；13. multichannel terminal cards；2. four line
Cable processed；3. analogue means；31. special four cores aviation plugs；32 four-wire system measuring resistances.
Specific embodiment
Referring to Fig. 1, a kind of temperature measuring channel mock survey device of the utility model, it is characterised in that including test dress
1 and analogue means 3 are put, the test device 1 is connected with analogue means 3 by the four-wire system cable 2 with crossover sub；Described
Test device 1 includes：Industrial control computer 11, digital acquisition device 12, multichannel terminal card 13 are sequentially connected with communication cable.
Described temperature simulator 3 includes：The plug end of special four cores Aviation Connector 31（Pin end）With four-wire system standard
Resistance 32, the four-wire system measuring resistance 32 draws four wiring pins, slotting with described special four cores Aviation Connector 31 respectively
Head end corresponds welding.
Described four-wire system cable 2 connects as follows：Its one end draws four holding wires, accesses described test
In the multichannel terminal card 13 of device 1；The other end of the four-wire system cable 2 is drawn and is connected with the socket end of special four cores Aviation Connector 31
Connect, the socket end and plug end of special four cores Aviation Connector 31（Pin end）Docking.
The instrument selection of the present embodiment is as follows：
| Instrument | Measurement range | Error |
| Measuring resistance | 120Ω | 0.01%F.S. |
| Measuring resistance | 100Ω | 0.01%F.S. |
| Digital acquisition device | 0～1000 Ω | 0.01%R+0.01Ω |
Operation principle of the present utility model is：When containment overall tightness testing inspection is carried out, all simulations are filled
Put 3 to be sequentially connected with multichannel terminal card 13 by four-wire system cable 2, then completed to analog signal by industrial control computer 11
Collection and display；In testing, standard four-wire system resistance 32 of the collection of digital acquisition device 12 inside containment, signal Jing
The pin end of special four-wire system Aviation Connector 31, the nose end of four-wire system Aviation Connector 31, four-wire system cable 2, multichannel terminal card 13, number
Word collector 12, resistance signal is gathered to industrial control computer 11；Finally, Jing is equipped with specific test and measure software（Prior art）
Industrial control computer 11 carry out signal transacting with show, the temperature value output display after conversion is completed to all passages
Temperature signal mock survey, so as to find latent defect and in time defect elimination, the shell seal tightness test that ensures safety is smoothed out.
Claims (3)
1. a kind of temperature measuring channel mock survey device, it is characterised in that including test device and analogue means, test dress
Put with analogue means by the four-wire system cable connection with crossover sub；Described test device includes：With communication cable according to
Secondary connection industrial control computer, digital acquisition device and multichannel terminal card.
2. temperature measuring channel mock survey device according to claim 1, it is characterised in that described analogue means bag
Include：The plug end and four-wire system measuring resistance of special four cores Aviation Connector, the four-wire system measuring resistance draws four wiring pins,
Correspond welding with the plug end of described special four cores Aviation Connector respectively.
3. temperature measuring channel mock survey device according to claim 1, it is characterised in that described four-wire system cable
Connect as follows：Its one end draws four holding wires, in accessing the multichannel terminal card of described test device；Four line
The other end of cable processed is drawn and is connected with the socket end of special four cores Aviation Connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621080135.4U CN206114149U (en) | 2016-09-26 | 2016-09-26 | Temperature measurement passageway simulation inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621080135.4U CN206114149U (en) | 2016-09-26 | 2016-09-26 | Temperature measurement passageway simulation inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206114149U true CN206114149U (en) | 2017-04-19 |
Family
ID=58520878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621080135.4U Active CN206114149U (en) | 2016-09-26 | 2016-09-26 | Temperature measurement passageway simulation inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206114149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464591A (en) * | 2017-07-11 | 2017-12-12 | 中国核电工程有限公司 | A kind of containment leak on-line monitoring system sensor combinations optimization method |
-
2016
- 2016-09-26 CN CN201621080135.4U patent/CN206114149U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464591A (en) * | 2017-07-11 | 2017-12-12 | 中国核电工程有限公司 | A kind of containment leak on-line monitoring system sensor combinations optimization method |
| CN107464591B (en) * | 2017-07-11 | 2021-04-23 | 中国核电工程有限公司 | Sensor combination optimization method for containment leakage online monitoring system |
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