CN201327427Y - Calibrating device for temperature and moisture measurement - Google Patents
Calibrating device for temperature and moisture measurement Download PDFInfo
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- CN201327427Y CN201327427Y CNU2008201245491U CN200820124549U CN201327427Y CN 201327427 Y CN201327427 Y CN 201327427Y CN U2008201245491 U CNU2008201245491 U CN U2008201245491U CN 200820124549 U CN200820124549 U CN 200820124549U CN 201327427 Y CN201327427 Y CN 201327427Y
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Abstract
The utility model belongs to measurement detection technique, and relates to a calibrating device for temperature and moisture measurement. The calibrating device comprises a constant temperature device, a singlechip measurement and control system, a temperature measuring instrument, a pressure-stabilizing device, a miniature oilless air compressor, a temperature calibration zone, a moisture calibration zone and a saturator, wherein, a bubbling structure is arranged in the saturator. The utility model can generate high accuracy standard wet gas at different temperatures and provides the temperature calibration zone so that the calibration of temperature and moisture can be carried out simultaneously. The utility model has the main characteristics of good temperature stability, a uniform temperature field, high moisture accuracy and strong shock resistance, wherein, the pressure-stabilizing device effectively ensures that the pressure in the saturator is stable so that the moisture value generated by the calibrating device for temperature and moisture measurement is very stable; the bubbling structure in the saturator ensures that the saturation efficiency can be over 99%; and the measurement accuracy of the temperature measuring instrument can be 0.006 DEG C.
Description
Technical field
The utility model belongs to the Measuring and testing technology, relates to a kind of humiture metering calibrating installation.
Background technology
The conventional humiture testing tool and the calibrating and measuring work of humiture calibration equipment all need be carried out in corresponding calibration laboratory, and many on-line testing instruments, army particularly, military project unit requires at the scene whole test system to be carried out piece calibration, the principal feature of humiture metering calibrating installation be can be under different temperatures (5 ℃～40 ℃) produce the standard moisture (15%RH～90%RH) of pin-point accuracy, the temperature correction district is provided simultaneously, can carry out conventional temperature correction, temperature range is: (30～40) ℃, be applicable to vehicle-mounted simultaneously and the laboratory use, this at present domestic series products is less.Common laboratory and scene temperature sensor and humidity sensor all are separately calibratings, not only power consumption but also time-consuming, the external product of seeing at home mainly contains the HUMOR10 high precision humidity generator of Austrian E+E company, and the accurate humidity generator of the shunting of Japanese Shinyei.Wherein HUMOR10 only is suitable for the humidity calibrating under the normal temperature.Above-mentioned two device outputs all are known standard moistures under the normal temperature, much needing the humidity calibration under all temps then can not meet the demands.
Summary of the invention
The purpose of this utility model provides a kind of little humiture of conventional humidity and temperature assay calibration and volume of can carrying out simultaneously and measures calibrating installation.
Technical solution of the present utility model is, comprises thermostat, singlechip computer system, temperature measurer, stable-pressure device and small-sized oilless air compressor, and calibrating installation also comprises temperature correction district and humidity calibration district and the inner saturator that is provided with bubble structure; The temperature correction district is made up of temperature survey chamber and temperature plug, the cavity that the temperature survey chamber is made up of two thin-walled copper tubes, and the top of cavity is provided with adiabatic plug; The humidity calibration district is made up of adiabatic top cover and moisture measurement chamber, and adiabatic top cover is arranged on the top in humidity calibration district; Be provided with bubble structure in the saturator, the bottom of saturator is provided with into water and pump mouth, and the lower end, gas outlet of saturator is provided with catches the water droplet structure; The humidity calibration district places the saturator top, is provided with needle-valve between humidity calibration district and the saturator; The temperature correction district places the side of humidity calibration district and saturator.
The adiabatic top cover in described humidity calibration district is provided with packing washer.
Advantage that the utlity model has and beneficial effect, can be under different temperatures (5 ℃～40 ℃) produce the standard moisture (15%RH～90%RH) of pin-point accuracy, the temperature correction district is provided simultaneously, and temperature range is: (30～40) ℃ can carry out conventional temperature correction.The utility model principal feature is that temperature stability is good, temperature evenly, humidity accuracy height, shockproof properties be strong.Wherein stable-pressure device has effectively guaranteed the pressure stability in the saturator, and the humidity value that humiture metering calibrating installation is taken place is very stable; Bubble structure in the saturator has guaranteed that saturation efficiency can reach more than 99%; Freeing port is arranged on the saturator bottom, so that draining is thorough; The accuracy that temperature measurer is measured can reach 0.006 ℃; Singlechip computer system is used for finishing the collection and the control of humiture metering calibrating installation temperature, pressure, and the demonstration of relative humidity, and the exchanges data of realization and host computer make things convenient for manually-operated, also can carry out automatic Verification.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done following detailed description.
Comprise thermostat 1, singlechip computer system 2, temperature measurer 3, stable-pressure device 4 and small-sized oilless air compressor 5 as Fig. 1, calibrating installation also comprises temperature correction district 6 and humidity calibration district 7 and the inner saturator 8 that is provided with bubble structure; The cavity that temperature correction district 6 is made up of two thin-walled copper tubes 9,10, and adiabatic plug 11,12 compositions, adiabatic plug 11,12 is located at the top of two thin-walled copper tubes 9,10 respectively; Humidity calibration district 7 is made up of adiabatic top cover 13 and moisture measurement chamber 14, and adiabatic top cover 13 is arranged on the top in humidity calibration district 7; Be provided with bubble structure in the saturator 8, the bottom of saturator 8 is provided with water inlet and pump mouth, and the lower end, gas outlet of saturator 8 is provided with catches the water droplet structure; Humidity calibration district 7 places saturator 8 tops, is provided with needle-valve between humidity calibration district 7 and the saturator 8; Temperature correction district 6 places the side of humidity calibration district 7 and saturator 8.
Described temperature correction district is made up of two thin-wall copper pipes and adiabatic plug; thin-wall copper pipe can freely be dismantled, if the corrosion of the temperature sensor ethanol-tolerant of calibrating can be taken out copper pipe; the temperature sensor of being examined and determine can directly insert inside, temperature correction district, directly contacts alcohol; If the corrosion of the temperature sensor alcoholic intolerance essence of being examined and determine can be put into thin-walled copper tube inside, and then be examined and determine.And the temperature correction district can examine and determine many temperature sensors simultaneously.
Described humidity calibration district is made up of adiabatic top cover and moisture measurement chamber, adiabatic top cover is made by polytetrafluoroethylmaterial material, can freely dismantle and be provided with packing washer, guarantee the impermeability of moisture measurement chamber, avoid the influence of surrounding environment the indoor generation humidity value of moisture measurement.The humidity calibration district can examine and determine many compact moisture sensors, perhaps humiture instrument simultaneously; Can examine and determine the accurate dew point hygrometer of throw-in type or bleeder in addition.
Described saturator, its bottom are provided with into water and pump mouth, by small pump distilled water are thrown into saturator inside, after calibration operation finishes, in the time of need extracting distilled water out, are extracted out by small pump equally.Wherein be provided with bubble structure in the bottom of saturator, gas forms the moisture of standard humidity by the bubble structure state that reaches capacity, and before moisture reaches the gas outlet, at first through a structure of catching water droplet, catches the water droplet of carrying secretly in the moisture.
The course of work of the present utility model is:
Power knob " power source ON " on A, the push panel, power connection;
B, relative humidity point are set, and manually set by the reduction valve above the panel " pressure regulation "; Temperature is set, and carries out the temperature setting by the SR253 temperature controller is set;
Switch is stirred in C, unlatching;
D, open refrigeration and heater switch, if the setting slot temperature when room temperature is above, then can be opened heater switch earlier, temperature soon near the time (about 5 ℃) open refrigeration and constant temperature; When if the setting slot temperature is worked below room temperature, then can open refrigeration earlier, temperature soon near the time (about 5 ℃) open heating and thermostat, programming rate and cooling rate can be quicker a little like this, and enter last temperature constant state.
E, when setting rh value and be 15%RH, the needle-valve of regulating on the top board is regulated arrow alignment " 15 " sign; When 15%RH＜setting rh value＜50%RH, needle-valve is regulated arrow between " 15 " sign and " 50 " identify;
When the setting rh value was 50%RH, needle-valve was regulated arrow alignment " 50 " sign;
When 50%RH＜setting rh value＜70%RH, needle-valve is regulated arrow between " 50 " sign and " 70 " identify;
When the setting rh value was 70%RH, needle-valve was regulated arrow alignment " 70 " sign;
When 70%RH＜setting rh value＜90%RH, needle-valve is regulated arrow between " 70 " sign and " 90 " identify;
When the setting rh value was 90%RH, needle-valve was regulated arrow alignment " 90 " sign;
F, when the base measuring temperature sensor, two copper pipes are put into " thermometric chamber ", set the temperature value of humiture metering calibrating installation earlier, after equitemperature is stable, read the temperature controller displays temperature value that is connected with the second-class standard platinum resistance of standard, be the standard temperature value.
Claims (2)
1. a humiture is measured calibrating installation, comprise thermostat, singlechip computer system, temperature measurer, stable-pressure device and small-sized oilless air compressor, it is characterized in that calibrating installation also comprises temperature correction district and humidity calibration district and the inner saturator that is provided with bubble structure; The temperature correction district is made up of temperature survey chamber and temperature plug, the cavity that the temperature survey chamber is made up of two thin-walled copper tubes, and the top of cavity is provided with adiabatic plug; The humidity calibration district is made up of adiabatic top cover and moisture measurement chamber, and adiabatic top cover is arranged on the top in humidity calibration district; Be provided with bubble structure in the saturator, the bottom of saturator is provided with into water and pump mouth,, the lower end, gas outlet of saturator is provided with catches the water droplet structure; The humidity calibration district places the saturator top, is provided with needle-valve between humidity calibration district and the saturator; The temperature correction district places the side of humidity calibration district and saturator.
2. humiture metering calibrating installation according to claim 1 is characterized in that the adiabatic top cover in described humidity calibration district is provided with packing washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201245491U CN201327427Y (en) | 2008-12-24 | 2008-12-24 | Calibrating device for temperature and moisture measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201245491U CN201327427Y (en) | 2008-12-24 | 2008-12-24 | Calibrating device for temperature and moisture measurement |
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| Publication Number | Publication Date |
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| CN201327427Y true CN201327427Y (en) | 2009-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201245491U Expired - Lifetime CN201327427Y (en) | 2008-12-24 | 2008-12-24 | Calibrating device for temperature and moisture measurement |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175348A (en) * | 2011-02-22 | 2011-09-07 | 广州赛宝计量检测中心服务有限公司 | Calibrating device and calibrating method thereof capable of providing air medium temperature source |
| CN104155415A (en) * | 2014-08-20 | 2014-11-19 | 国家电网公司 | Method for rapidly obtaining constant gas humidity |
| CN104237330A (en) * | 2014-10-10 | 2014-12-24 | 中国航空工业集团公司北京长城航空测控技术研究所 | Macromolecule thin-film capacitor oil moisture transducer calibration device and method |
| CN104699079A (en) * | 2015-02-28 | 2015-06-10 | 国网辽宁省电力有限公司抚顺供电公司 | Detector of temperature and humidity controller |
| CN105786039A (en) * | 2014-12-23 | 2016-07-20 | 福建宁德核电有限公司 | Device and method for calibrating humidity switch |
| CN105988081A (en) * | 2015-02-13 | 2016-10-05 | 福建宁德核电有限公司 | Device and method of verifying humidity switch |
| CN104237330B (en) * | 2014-10-10 | 2017-01-04 | 中国航空工业集团公司北京长城航空测控技术研究所 | Calibration device and method for macromolecular film capacitor oil-liquid moisture sensor |
| CN108760091A (en) * | 2018-05-29 | 2018-11-06 | 中北大学 | Based on the thermocouple sensor dynamic compensating system construction method for improving assay furnace |
| CN110887526A (en) * | 2019-12-04 | 2020-03-17 | 湖州唯立仪表厂 | High-precision temperature and humidity detection box capable of automatically proportioning dry air flow and wet air flow |
| CN111521295A (en) * | 2020-03-29 | 2020-08-11 | 深圳天溯计量检测股份有限公司 | Mobile thermometer calibration vehicle and application thereof |
| CN111735488A (en) * | 2020-05-28 | 2020-10-02 | 黑龙江建筑职业技术学院 | Tool for measuring and calibrating environmental temperature and humidity equipment |
| CN114112117A (en) * | 2021-12-20 | 2022-03-01 | 江西洪都航空工业集团有限责任公司 | On-spot measurement calibrating device of temperature instrument |
| CN114384955A (en) * | 2021-12-17 | 2022-04-22 | 中国航空工业集团公司北京长城计量测试技术研究所 | Low-temperature low-pressure relative humidity standard device |
-
2008
- 2008-12-24 CN CNU2008201245491U patent/CN201327427Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175348B (en) * | 2011-02-22 | 2012-10-17 | 广州赛宝计量检测中心服务有限公司 | Calibrating device and calibrating method thereof capable of providing air medium temperature source |
| CN102175348A (en) * | 2011-02-22 | 2011-09-07 | 广州赛宝计量检测中心服务有限公司 | Calibrating device and calibrating method thereof capable of providing air medium temperature source |
| CN104155415A (en) * | 2014-08-20 | 2014-11-19 | 国家电网公司 | Method for rapidly obtaining constant gas humidity |
| CN104237330B (en) * | 2014-10-10 | 2017-01-04 | 中国航空工业集团公司北京长城航空测控技术研究所 | Calibration device and method for macromolecular film capacitor oil-liquid moisture sensor |
| CN104237330A (en) * | 2014-10-10 | 2014-12-24 | 中国航空工业集团公司北京长城航空测控技术研究所 | Macromolecule thin-film capacitor oil moisture transducer calibration device and method |
| CN105786039B (en) * | 2014-12-23 | 2017-08-25 | 福建宁德核电有限公司 | A kind of humidity switch calibrating installation and method |
| CN105786039A (en) * | 2014-12-23 | 2016-07-20 | 福建宁德核电有限公司 | Device and method for calibrating humidity switch |
| CN105988081A (en) * | 2015-02-13 | 2016-10-05 | 福建宁德核电有限公司 | Device and method of verifying humidity switch |
| CN104699079A (en) * | 2015-02-28 | 2015-06-10 | 国网辽宁省电力有限公司抚顺供电公司 | Detector of temperature and humidity controller |
| CN108760091A (en) * | 2018-05-29 | 2018-11-06 | 中北大学 | Based on the thermocouple sensor dynamic compensating system construction method for improving assay furnace |
| CN110887526A (en) * | 2019-12-04 | 2020-03-17 | 湖州唯立仪表厂 | High-precision temperature and humidity detection box capable of automatically proportioning dry air flow and wet air flow |
| CN111521295A (en) * | 2020-03-29 | 2020-08-11 | 深圳天溯计量检测股份有限公司 | Mobile thermometer calibration vehicle and application thereof |
| CN111735488A (en) * | 2020-05-28 | 2020-10-02 | 黑龙江建筑职业技术学院 | Tool for measuring and calibrating environmental temperature and humidity equipment |
| CN114384955A (en) * | 2021-12-17 | 2022-04-22 | 中国航空工业集团公司北京长城计量测试技术研究所 | Low-temperature low-pressure relative humidity standard device |
| CN114112117A (en) * | 2021-12-20 | 2022-03-01 | 江西洪都航空工业集团有限责任公司 | On-spot measurement calibrating device of temperature instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING CHANGCHENG INSTITUTE OF METROLOGY + MEASUR Free format text: FORMER NAME: AVIC I BEIJING CHANGCHENG INSTITUTE OF METROLOGY + MEASUREMENT (CIMM) |
|
| CP03 | Change of name, title or address |
Address after: 100095 Beijing, box No. 1066 Patentee after: Beijing Changcheng Institute of Metrology & Measurement, Aviation Industry Corporaation of China Address before: 100024 Beijing, box No. 1066 Patentee before: AVIC I Beijing Changcheng Institute of Metrology & Measurement (CIMM) |
|
| ASS | Succession or assignment of patent right |
Owner name: AVIC CHANGCHENG METROLOGY + MEASUREMENT (TIANJIN) Free format text: FORMER OWNER: BEIJING CHANGCHENG INSTITUTE OF METROLOGY + MEASUREMENT, AVIATION INDUSTRY CORPORAATION OF CHINA Effective date: 20141226 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100095 HAIDIAN, BEIJING TO: 300457 BINHAI NEW DISTRICT, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141226 Address after: 300457 Bl-101 room, No. fourth, 80 street, Tianjin economic and Technological Development Zone, Binhai New Area, Tianjin, China Patentee after: CATIC the Great Wall Measurement & Testing (Tianjin) Co., Ltd. Address before: 100095 Beijing, box No. 1066 Patentee before: Beijing Changcheng Institute of Metrology & Measurement, Aviation Industry Corporaation of China |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091014 |