CN208953162U - PT100 temperature sensor reliability compliance test storehouse under pressure - Google Patents
PT100 temperature sensor reliability compliance test storehouse under pressure Download PDFInfo
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- CN208953162U CN208953162U CN201821823590.8U CN201821823590U CN208953162U CN 208953162 U CN208953162 U CN 208953162U CN 201821823590 U CN201821823590 U CN 201821823590U CN 208953162 U CN208953162 U CN 208953162U
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- temperature sensor
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- hyperbaric chamber
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Abstract
PT100 temperature sensor reliability compliance test storehouse under a kind of pressure, including the closed atmospheric chamber being made of cabinet and cover board, hyperbaric chamber and standard PT100 temperature sensor are equipped in the atmospheric chamber, it is equipped with pressure sensor, liquid level sensor, humidity sensor and tested PT100 temperature sensor in the hyperbaric chamber, pressurization mouth is equipped on the hyperbaric chamber;The heat-conduction medium of liquid is equipped in the atmospheric chamber and hyperbaric chamber;It is equipped with heat-conduction medium inlet on the cover board, is respectively equipped with heat-conduction medium discharge outlet in the bottom of the atmospheric chamber and hyperbaric chamber.The utility model has the advantages that: it is easy to use, and the influence of different humidity and pressure to PT100 temperature sensor can be simulated well, to the performance verification to PT100 temperature sensor, it has ensured smoothly completing for the related works such as npp safety shell leakage test, has reduced because pressure may cause the potential risk of PT100 temperature sensor performance decline.
Description
Technical field
The utility model relates to a kind of to carry out reliability to PT100 temperature sensor under different pressures and moisture condition
Device is verified, it is steady to be suitable for nuclear power plant containment shell containment overall tightness test lower sensor performance test, temperature sensor
It fixes time and different pressurising rate against temperature sensor stability influences etc. test.
Background technique
Nuclear power develops highly developed as a kind of clean and effective energy by decades.It emphasizes to improve ring in country
Border is greatly developed under clean energy resource, and nuclear power is also rapidly developing.To ensure that public security, nuclear power plant containment shell will periodically do mould
Leak rate test under quasi- accident conditions.Long-time temperature collection, humidity and pressure are needed in test, and correlation is obtained by calculation
Slip, wherein temperature data is acquired by PT100 temperature sensor, therefore PT100's is reliable and stable to entire examination
It tests then of crucial importance.
PT100 is platinum resistance thermometer sensor, its resistance value is directly proportional with the variation of temperature.The resistance value and temperature change relationship of PT100
Are as follows: when PT100 temperature is 0 DEG C, its resistance value is 100 ohm, its resistance value can as the temperature rises at the uniform velocity increasing,
At 100 DEG C, its resistance value is about 138.5 ohm.
Before the test of PT100 compare and examine and determine all be completed under normal pressure state, but sensor formally using be
Under high pressure, if because caused by high pressure sensor failure will cause test failure, the economic loss further resulted in if, can not estimate,
The long term stability tests of PT100 sensor are verified it would therefore be desirable to have a kind of device, to ensure the validity of data.
Summary of the invention
The purpose of this utility model is just to provide PT100 temperature sensor reliability compliance test storehouse under a kind of pressure, with
It solves the problems, such as of the existing technology.The purpose of this patent is the stabilization realized to temperature sensor is examined under specified pressure
Property, so that it is met temperature acquisition requirement under the environment with pressure such as containment overall tightness, reduces because pressure may cause PT100 temperature
Spend the potential risk of sensor performance decline.
The technical solution of the utility model is: PT100 temperature sensor reliability compliance test storehouse under a kind of pressure, special
Sign is, including the closed atmospheric chamber being made of cabinet and cover board, hyperbaric chamber and standard PT100 temperature are equipped in the atmospheric chamber
Sensor is spent, tested PT100 temperature sensor, pressure sensor, liquid level sensor and humidity are equipped in the hyperbaric chamber and is passed
Sensor is equipped with pressurization mouth on the hyperbaric chamber;The heat-conduction medium of liquid is equipped in the atmospheric chamber and hyperbaric chamber;In the cover board
It is equipped with heat-conduction medium inlet, is respectively equipped with heat-conduction medium balance port and difference in the bottom of the atmospheric chamber and hyperbaric chamber
It is connected to by a valve with discharge outlet;Heating and temperature controlling device is respectively provided in the atmospheric chamber and hyperbaric chamber.
The utility model has the advantages that: it is easy to use, and different humidity and pressure can be simulated well to PT100 temperature
The influence of sensor, to ensure the correlations such as npp safety shell leakage test to the performance verification of PT100 temperature sensor
Work smoothly completes, and reduces because pressure may cause the potential risk of PT100 temperature sensor performance decline.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment;
Composition schematic diagram when Fig. 2 is the utility model application.
Description of symbols: 1-cabinet;2-insulating layers;3-cover boards;4-heat-conduction medium inlets;5-standards
PT100 temperature sensor;6-pressurization mouths;7-tested PT100 temperature sensors;8-pressure sensors;9-level sensings
Device;10-humidity sensors;11-atmospheric chambers;12-hyperbaric chambers;13-heat-conduction mediums;14-heat-conduction medium discharge outlets;
K1-K5-valve.
Specific embodiment
Referring to Fig. 1, PT100 temperature sensor reliability compliance test storehouse, feature exist under a kind of pressure of the utility model
In including the closed atmospheric chamber 11 being made of cabinet 1 and cover board 3, equipped with hyperbaric chamber 12 and standard in the atmospheric chamber 11
PT100 temperature sensor 5 is equipped with pressure sensor 8, liquid level sensor 9, humidity sensor 10 and is tested in the hyperbaric chamber 12
PT100 temperature sensor 7 is tried, pressurization mouth 6 is equipped on the hyperbaric chamber 12.Liquid is equipped in the atmospheric chamber 11 and hyperbaric chamber 12
Heat-conduction medium 13(using water or other performances and its approximate liquid);It is respectively provided in the atmospheric chamber 11 and hyperbaric chamber 12
Each heating and temperature controlling device of heating and temperature controlling device H1, H2(is made of electric heater, temperature sensor and controller, and the two of H1, H2
A controller can also be combined into one), for heating and controlling the temperature of 12 heat conduction medium 13 of atmospheric chamber 11 and hyperbaric chamber.
It is respectively equipped with heat-conduction medium balance port in the bottom of the atmospheric chamber 11 and hyperbaric chamber 12, and passes through valve K3 and K4 and row respectively
The connection of mouth 14 is put, vent valves K5 is housed on the discharge outlet 14, makes atmospheric chamber 11 by opening valve K3 and K4 before the test
It is consistent with the liquid level of the heat-conduction medium 13 in hyperbaric chamber 12, liquid level is the heat transfer for guaranteeing temperature, and is not flooded
Sensor tail end cable is tested after being then shut off valve K3 and K4, and off-test is with regard to direct pressure release and excludes liquid at this
Cover board 3 is equipped with heat-conduction medium inlet 4, is respectively equipped with heat-conduction medium row in the bottom of the atmospheric chamber 11 and hyperbaric chamber 12
Put mouth 14.
Insulating layer 2 is equipped in the outside of the cabinet 1 and cover board 3.
The hyperbaric chamber 12 is made of stainless steel plate.
The utility model cabinet 1 and 3 outside of cover board are covered by insulating layer 2, are reduced and are preferably guaranteed with extraneous heat transmitting
Case intra-body data it is authentic and valid.Liquid level sensor 9, pressure sensor 8, normal temperature are installed by hickey on cover board 3
Sensor 5 etc..
Referring to fig. 2, when the utility model is used, the pressurization mouth 6 of hyperbaric chamber 12 is by an air pressure regulator and passes through
The gas source of purification connects, and applies the gas of setting pressure into hyperbaric chamber 12 as needed, and the adjusting of air pressure is acquired by data, divided
Analysis and control module (air pressure adjustment controller is also separately provided) are completed.Heat-conduction medium inlet 4 and a heat-conduction medium are infused
Enter device connection, suitable heat-conduction medium 13 is injected into atmospheric chamber 11 and hyperbaric chamber 12.The heat-conduction medium of hyperbaric chamber 12
It is the pipeline transmission past by atmospheric chamber 11 through valve K3/K4, stops heat transfer after liquid level sensor 9 measures specified liquid level
The implant operation of medium inlet 4.Standard PT100 temperature sensor 5, tested PT100 temperature sensor 7, pressure sensor
8, the signal output end of liquid level sensor 9 and humidity sensor 10 is different defeated from data acquisition, analysis and control module respectively
Enter end connection, data acquisition, analysis and control module are analyzed and processed the various signals of acquisition, and then obtain PT100 biography
Sensor reliability demonstration.The liquid level of heat-conduction medium 13 is detected by liquid level sensor 9, and by data acquisition, analysis and control mould
Block is controlled.The air pressure regulator, data acquisition, analysis and control module (using computer) and heat-conduction medium
Injection device (hydraulic pump) and analysis can perception method be routine techniques.
On-test, opens valve K2, K3, K4, closes valve K5, by valve K2 to 4 note of heat-conduction medium inlet
Enter heat-conduction medium 13, makes hyperbaric chamber 12 keep liquid level consistent with atmospheric chamber 11, be then shut off valve K3 and K4;Pass through valve again
K1 is added compressed gas (high-purity air or nitrogen) to hyperbaric chamber 12 and reaches test pressure, acquires and analyzes eventually by data
Relevant sensor curve is obtained, so that the stability of the tested PT100 temperature sensor 7 in hyperbaric chamber 12 is verified, when
Influence of the different humidity to PT100 temperature sensor stability can also be so simulated by heating.
Claims (3)
1. PT100 temperature sensor reliability compliance test storehouse under a kind of pressure, which is characterized in that including by cabinet and cover board group
At closed atmospheric chamber, in the atmospheric chamber be equipped with hyperbaric chamber and standard PT100 temperature sensor, be equipped in the hyperbaric chamber
Tested PT100 temperature sensor, pressure sensor, liquid level sensor and humidity sensor, are equipped with pressurization on the hyperbaric chamber
Mouthful;The heat-conduction medium of liquid is equipped in the atmospheric chamber and hyperbaric chamber;It is equipped with heat-conduction medium inlet on the cover board,
The bottom of the atmospheric chamber and hyperbaric chamber is respectively equipped with heat-conduction medium balance port and is connected to respectively by a valve with discharge outlet;
Heating and temperature controlling device is respectively provided in the atmospheric chamber and hyperbaric chamber.
2. PT100 temperature sensor reliability compliance test storehouse under pressure according to claim 1, which is characterized in that
The outside of the cabinet and cover board is equipped with insulating layer.
3. PT100 temperature sensor reliability compliance test storehouse under pressure according to claim 1, which is characterized in that institute
The hyperbaric chamber stated is made of stainless steel plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821823590.8U CN208953162U (en) | 2018-11-07 | 2018-11-07 | PT100 temperature sensor reliability compliance test storehouse under pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821823590.8U CN208953162U (en) | 2018-11-07 | 2018-11-07 | PT100 temperature sensor reliability compliance test storehouse under pressure |
Publications (1)
Publication Number | Publication Date |
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CN208953162U true CN208953162U (en) | 2019-06-07 |
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CN201821823590.8U Active CN208953162U (en) | 2018-11-07 | 2018-11-07 | PT100 temperature sensor reliability compliance test storehouse under pressure |
Country Status (1)
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CN (1) | CN208953162U (en) |
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2018
- 2018-11-07 CN CN201821823590.8U patent/CN208953162U/en active Active
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