CN204027735U - Long-rod platinum resistance thermometer calibration device - Google Patents
Long-rod platinum resistance thermometer calibration device Download PDFInfo
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- CN204027735U CN204027735U CN201420437993.4U CN201420437993U CN204027735U CN 204027735 U CN204027735 U CN 204027735U CN 201420437993 U CN201420437993 U CN 201420437993U CN 204027735 U CN204027735 U CN 204027735U
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- constant temperature
- platinum resistance
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Abstract
The utility model provides a kind of long-rod platinum resistance thermometer calibration device, primarily of test barrel and constant temperature water tank composition.Test barrel tilts to install: test barrel is high-end is respectively equipped with platinum resistance socket with low side; Test barrel is high-end to be gone out water inlet with the recirculated water of constant temperature water tank respectively with the recirculated water intake-outlet of low side and is communicated with by circulating water pipe.Circulating water pipe is equipped with water circulating pump, medium is circulated in whole system; Be provided with heating tube and refrigerator pipes in constant temperature water tank, constant temperature water tank provides the stable temperature field of-5 DEG C ~ 50 DEG C.The utility model is convenient to the length and the shape that adapt to different platinum resistance: this test barrel adopts Structured Design, inner constant temperature, when test barrel geometric configuration does not meet the demands, only needs to change test barrel part.This device reduces equipment cost, directly can utilize standard and the Survey Software of common platinum resistance calibrating installation, thus save equipment purchase expense.
Description
Technical field
The utility model relates to the calibration field of the special platinum resistance of nuclear power station, is a kind of calibrating installation measuring the overlength platinum resistance of ocean temperature for nuclear power station specifically.
Background technology
Long-rod platinum resistance is that used in nuclear power station is in the Special temperature measurement instrument measuring ocean temperature.This platinum resistance is mean type platinum resistance, in temperature zone, be namely evenly distributed multiple temperature element, therefore when calibrating, needs whole temperature zones to be placed in constant temperature temperature field.Each power station is due to the difference in residing geographic position, and ocean temperature is different, so the working temperature of the platinum resistance used is interval different.Because the pipe diameter introducing seawater is different, so the platinum resistance length used is variant.Through investigation, current domestic each measurement technology mechanism is all without the device meeting the calibration of this platinum resistance.
Summary of the invention
The purpose of this utility model is for the special long-rod platinum resistance calibration of nuclear power station provides a constant temperature correcting device.
The utility model solves the technical scheme that its technical matters adopts:
A kind of long-rod platinum resistance thermometer calibration device, primarily of test barrel and constant temperature water tank composition, test barrel tilts to install; Test barrel is high-end is respectively equipped with platinum resistance socket A and platinum resistance socket B with low side; The recirculated water water inlet of test barrel low side is communicated with by circulating water pipe with the recirculated water water delivering orifice of constant temperature water tank, and the high-end recirculated water water delivering orifice of test barrel is also communicated with by circulating water pipe with the recirculated water water inlet of constant temperature water tank; Circulating water pipe is equipped with water circulating pump, medium is circulated in whole system; Be provided with heating tube and refrigerator pipes in constant temperature water tank, constant temperature water tank provides the stable temperature field of-5 DEG C ~ 50 DEG C; The water inlet pipe of constant temperature water tank is provided with water intaking valve, and inside is provided with the ball-cock assembly that automatically can control water inlet open and close.
Test barrel is rack-mount, by support as support.
Test barrel angle of inclination is 8-15 degree.
Test barrel outer wrapping heat-insulation layer, circulating water pipe also has heat-insulation layer outward.
Described circulating water pipe adopts flexible pipe.
Circulating water pipe is equipped with recirculated water pipe valve.
Water circulating pump is positioned on the circulating water pipe of recirculated water water outlet place of constant temperature water tank.
Be equipped with a low level water drain valve in the recirculated water water inlet of test barrel low side, be provided with an automatic exhaust steam valve and an intake/exhaust valve test barrel is high-end.
The utility model compared with prior art tool has the following advantages:
1, this device gamut can simulate the actual temperature of northern seawater, and cold district ocean temperature lower than zero degrees celsius, may fully can meet the demand of calibration low-temperature working point.The assembling of this device is easily, easy to use, can easily expand applicable bound temperature and length.
2, be convenient to quick-replaceable actuating medium, increase work efficiency: this calibration cell devises the devices such as automatic exhaust steam valve, intake/exhaust valve, low level water drain valve, water intaking valve, can replacing medium easily and fast.Because a calibration process is that actuating medium drops to low warm spot from room temperature, then terminate after low warm spot is progressively warmed up to high temperature dot.If when now lowering the temperature to start the calibration of next group platinum resistance to medium, cooling needs to spend the plenty of time.And directly change medium, can save time and the energy.
3, be convenient to the length and the shape that adapt to different platinum resistance: this test barrel adopts Structured Design, inner constant temperature, when test barrel geometric configuration does not meet the demands, only need to change test barrel part.
4, equipment cost is reduced: this device directly can utilize standard and the Survey Software of common platinum resistance calibrating installation, thus has saved equipment purchase expense.
Accompanying drawing explanation
Fig. 1 is assembling schematic diagram of the present utility model.
In figure:
1. test barrel, 2. heat-insulation layer, 3. platinum resistance socket B, 4. low level water drain valve, 5. recirculated water pipe valve, 6. water circulating pump, 7. heating tube, 8. circulating water pipe, 9. constant temperature water tank, 10. ball-cock assembly, 11. water intaking valves, 12. refrigerator pipes, 13. platinum resistance socket A, 14. automatic exhaust steam valves, 15. intake/exhaust valves, 16. supports.
Embodiment
Below in conjunction with Fig. 1 and specific implementation, the utility model is described in further detail.
The utility model provides a kind of long-rod platinum resistance thermometer calibration device, and for the calibration of long-rod platinum resistance provides condition, its all part that heat interchange occurs with the external world all does isothermal holding.This device forms primarily of test barrel 1 and constant temperature water tank 9.Test barrel 1 should be able to hold the special long-rod platinum resistance of nuclear power plant, and namely work action temperature field length is not less than 2140mm.Test barrel 1 outer wrapping heat-insulation layer 2, makes to keep stable temperature in test barrel 1.Requirement in its warm field uniformity should meet " JJG229-2010 industry platinum, copper thermistor " table 3 except temperature range.Test barrel 1 is arranged on support 16, by support 16 as support.Test barrel 1 tilts to install, and its angle of inclination is 8-15 degree, so that the installation of media flow and platinum resistance.Test barrel 1 is high-end is respectively equipped with platinum resistance socket A13 and platinum resistance socket B3 with low side.The recirculated water water inlet of test barrel 1 low side is communicated with by circulating water pipe 8 with the recirculated water water delivering orifice of constant temperature water tank 9, the high-end recirculated water water delivering orifice of test barrel 1 is also communicated with by circulating water pipe 8 with the recirculated water water inlet of constant temperature water tank 9, and circulating water pipe 8 is to adopt flexible pipe as well.There is heat-insulation layer outside circulating water pipe 8, stablize with medium temperature in holding tube.The temperature in of recirculated water and outlet temperature after stabilization temperature difference are less than 0.05 DEG C, and temperature degree of regulation is not less than 0.1 DEG C.Circulating water pipe 8 is equipped with recirculated water pipe valve 5.The circulating water pipe 8 of recirculated water water outlet place of constant temperature water tank 9 is equipped with water circulating pump 6, medium is circulated in whole system.Be equipped with a low level water drain valve 4 in the recirculated water water inlet of test barrel 1 low side, be provided with automatic exhaust steam valve 14 and an intake/exhaust valve 15 test barrel 1 is high-end.The gas being gathered in test barrel 1 top is automatically discharged in the effect of automatic exhaust steam valve 14, makes to keep full water in test barrel 1.The effect of intake/exhaust valve 15 is when test barrel 1 arranges (entering) water and atmosphere, so that row's (entering) water.Owing to devising above-mentioned quick injection and emptying facility in test barrel 1, the injection of internal heat transfer medium, emptying and replacing can be completed easily and fast, accelerate the speed of temperature adjustment time easy to use, be conducive to increasing work efficiency.
Heating tube 7 and refrigerator pipes 12 is provided with in constant temperature water tank 9, constant temperature water tank 9 is by refrigerator pipes 12 and heating tube 7 and corresponding measure and control device, there is provided corresponding cold water (or alcoholic solution) or hot water by design temperature, the stable temperature field of-5 DEG C ~ 50 DEG C can be provided.Rate of temperature fall is not less than 0.5 DEG C/min, and heating rate 0.5 ~ 1.0 DEG C/min, should be stabilized in working temperature in 30min.The water inlet pipe of constant temperature water tank 9 is provided with water intaking valve 11, and inside is provided with the ball-cock assembly 10 that automatically can control water inlet open and close.By water intaking valve 11, ball-cock assembly 10, keep the constant level in constant temperature oven.
The course of work of the present utility model; Water (or alcoholic solution) in constant temperature water tank 9 is sent into test barrel 1 by circulating water pipe 8 by ebullator 6, be positioned at platinum resistance socket A13 near test barrel 1 water inlet and freeing port and platinum resistance socket B3 and insert one respectively with reference to platinum resistance, whether reach all even stable state for the warm field in control and measuring cylinder.When two temperature difference with reference to platinum resistance are stabilized in below 0.05 DEG C, indicate that constant temperature temperature field is set up, can start to have calibrated.At this moment 1 standard platinum resistance and 5 tested long-rod platinum resistances can be inserted test barrel 1 from platinum resistance socket B simultaneously, namely insert test barrel 1 from lower end, use outer thermometric software of joining, both can complete the calibration process to tested long-rod platinum resistance.
Claims (8)
1. a long-rod platinum resistance thermometer calibration device, primarily of test barrel and constant temperature water tank composition, is characterized in that: test barrel tilts to install; Test barrel is high-end is respectively equipped with platinum resistance socket A and platinum resistance socket B with low side; The recirculated water water inlet of test barrel low side is communicated with by circulating water pipe with the recirculated water water delivering orifice of constant temperature water tank, and the high-end recirculated water water delivering orifice of test barrel is also communicated with by circulating water pipe with the recirculated water water inlet of constant temperature water tank; Circulating water pipe is equipped with water circulating pump, medium is circulated in whole system; Be provided with heating tube and refrigerator pipes in constant temperature water tank, constant temperature water tank provides the stable temperature field of-5 DEG C ~ 50 DEG C; The water inlet pipe of constant temperature water tank is provided with water intaking valve, and inside is provided with the ball-cock assembly that automatically can control water inlet open and close.
2. calibrating installation according to claim 1, is characterized in that: test barrel is rack-mount, by support as support.
3. calibrating installation according to claim 1 and 2, is characterized in that: test barrel angle of inclination is 8-15 degree.
4. calibrating installation according to claim 1, is characterized in that: test barrel outer wrapping heat-insulation layer, circulating water pipe also has heat-insulation layer outward.
5. the calibrating installation according to claim 1 or 4, is characterized in that: described circulating water pipe adopts flexible pipe.
6. calibrating installation according to claim 5, is characterized in that: on circulating water pipe, be equipped with recirculated water pipe valve.
7. calibrating installation according to claim 6, is characterized in that: water circulating pump is positioned on the circulating water pipe of recirculated water water outlet place of constant temperature water tank.
8. calibrating installation according to claim 3, is characterized in that: be equipped with a low level water drain valve in the recirculated water water inlet of test barrel low side, is provided with an automatic exhaust steam valve and an intake/exhaust valve test barrel is high-end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420437993.4U CN204027735U (en) | 2014-07-30 | 2014-07-30 | Long-rod platinum resistance thermometer calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420437993.4U CN204027735U (en) | 2014-07-30 | 2014-07-30 | Long-rod platinum resistance thermometer calibration device |
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| Publication Number | Publication Date |
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| CN204027735U true CN204027735U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420437993.4U Active CN204027735U (en) | 2014-07-30 | 2014-07-30 | Long-rod platinum resistance thermometer calibration device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827499A (en) * | 2018-07-30 | 2018-11-16 | 江苏方天电力技术有限公司 | A kind of temperature standard device of smokeless environment-friendly |
| CN115560880A (en) * | 2022-12-06 | 2023-01-03 | 北京林电伟业电子技术有限公司 | Calibration device and method for long-rod low-temperature thermometer |
-
2014
- 2014-07-30 CN CN201420437993.4U patent/CN204027735U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827499A (en) * | 2018-07-30 | 2018-11-16 | 江苏方天电力技术有限公司 | A kind of temperature standard device of smokeless environment-friendly |
| CN115560880A (en) * | 2022-12-06 | 2023-01-03 | 北京林电伟业电子技术有限公司 | Calibration device and method for long-rod low-temperature thermometer |
| CN115560880B (en) * | 2022-12-06 | 2023-03-10 | 北京林电伟业电子技术有限公司 | Calibration device and method for long-rod low-temperature thermometer |
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