CN203100936U - Surface thermometer calibrating device - Google Patents
Surface thermometer calibrating device Download PDFInfo
- Publication number
- CN203100936U CN203100936U CN 201320098176 CN201320098176U CN203100936U CN 203100936 U CN203100936 U CN 203100936U CN 201320098176 CN201320098176 CN 201320098176 CN 201320098176 U CN201320098176 U CN 201320098176U CN 203100936 U CN203100936 U CN 203100936U
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- temperature
- calibration
- liquid tank
- calibrating
- break
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Abstract
The utility model discloses a surface thermometer calibrating device, comprising a constant-temperature oven, a calibrating cup and a digital thermometer, wherein the constant-temperature bath comprises a liquid bath, a stirrer and a temperature control system, the stirrer is arranged at one side in the liquid bath, an opening is formed above the liquid bath, the calibrating cup is arranged at the opening position of the liquid bath, the calibrating cup is a cylindrical opening cup body with an upper edge and is made of aluminium alloy, the bottom surface of the calibrating cup is smooth and flat, a circular through hole is formed in the upper edge of the calibrating cup, and a temperature-sensing element of the digital thermometer is inserted into the liquid bath through the through hole. The surface thermometer calibrating device is simple in structure, convenient to operate and practical, and can realize calibration of the surface thermometer.
Description
Technical field
The utility model belongs to the thermometer calibration device, is specifically related to a kind of land surface pyrometer calibrating installation.
Background technology
Land surface pyrometer be used to measure various states (comprise static state, dynamically or charged object etc.) measuring instrument of solid surface temperature.Whether the measured value of land surface pyrometer is accurate, be to use special land surface pyrometer heater calibration to calibrate at present, and the price comparison of land surface pyrometer heater calibration is expensive, so general laboratory does not possess, this has brought a lot of inconvenience with regard to the calibration of giving land surface pyrometer.
Summary of the invention
The utility model provides a kind of novel land surface pyrometer calibrating installation.
For achieving the above object, the technical solution adopted in the utility model is:
The land surface pyrometer calibrating installation comprises calibration cell, calibration break and digital thermometer, and described calibration cell comprises stainless steel liquid groove, stirrer and temperature control system; Fill liquid in the liquid tank, temperature control system is controlled the temperature of liquid, stirrer is positioned at the inner side of liquid tank, the liquid tank top is provided with opening, and calibration break places the aperture position of liquid tank, and described calibration break is the cylinder open cup that has the upper edge, calibration break is made by aluminum alloy materials, its bottom surface smooth planar, the upper edge of calibration break is provided with manhole, and the temperature-sensing element of digital thermometer is inserted into liquid tank inside by through hole.
Above-mentioned land surface pyrometer calibrating installation is characterized in that: the thickness of described calibration break bottom surface is 0.5mm.
The beneficial effects of the utility model: the utility model practicality simple in structure, easy to operate, utilize the uniform temperature field of calibration cell, obtain smooth, stable, an even temperature source, cooperation digital thermometer (standard) carries out the calibration to land surface pyrometer, has realized utilizing laboratory existing equipment and simple auxiliary implement that land surface pyrometer is calibrated; The temperature of the plane temperature source of the utility model land surface pyrometer calibrating installation is even, stable, temperature uniformity is less than 1.5 ℃, satisfy national verification rules " JJG364-94 land surface pyrometer " to the technical requirement of surface temperature meter calibrating device, guaranteed the accuracy of surface temperature meter calibrating.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model.
Fig. 2 is the structural representation of calibration break of the present utility model.
Embodiment
As depicted in figs. 1 and 2, the land surface pyrometer calibrating installation, comprise calibration cell, calibration break 1 and digital thermometer 2, described calibration cell comprises stainless steel liquid groove 3, stirrer 4 and temperature control system 5, fill liquid in the liquid tank 3, the temperature of 5 pairs of liquid of temperature control system is controlled, stirrer 4 is positioned at liquid tank 3 inner sides, liquid tank 3 tops are provided with opening, calibration break 1 places the aperture position of liquid tank 3, described calibration break 1 is for having the cylinder open cup of upper edge, calibration break 1 is made by aluminum alloy materials, its bottom surface smooth planar, and the thickness of bottom surface is 0.5mm, the upper edge of calibration break 1 is provided with manhole 6, and the temperature-sensing element of digital thermometer 2 is inserted into liquid tank 3 inside by through hole 6.
Measuring method: holding liquid medium (water in the liquid tank 3, oil or alcohol, according to different temperature-measuring ranges, adopt liquid mediums), calibration break 1 is positioned over the circular open place of liquid tank 3 tops, the bottom surface that makes calibration break 1 fully contacts with liquid medium in the liquid tank 3, the temperature-sensing element of digital thermometer 2 is inserted in the liquid medium in the liquid tank 3 by the through hole on the calibration break 16, start-up temperature control system 5 and stirrer 4, be provided with temperature required by temperature control system 5, stirring by stirrer 4 makes the temperature of liquid medium in the liquid tank 3 reach even, after treating temperature stabilization, the temperature-sensing element that is calibrated land surface pyrometer is fixed on calibration break 1 bottom surface, by digital thermometer 2 temperature displayed values the land surface pyrometer temperature displayed value that is calibrated is calibrated, the temperature value of described digital thermometer 2 is an exact value.
The technical indicator of the utility model land surface pyrometer calibrating installation is as follows:
(1) liquid tank
1) temperature measurement range :-60 ~ 300 ℃;
2) environment for use condition: 15 ~ 25 ℃ of temperature, humidity 10% ~ 80%RH;
3) warm field uniformity: less than 0.4 ℃;
When 4) measuring the different temperatures scope, need to adopt different liquid:
Alcohol: temperature-measuring range-60 ~ 5 ℃;
Water: 5 ~ 95 ℃ of temperature-measuring ranges;
Oil: 95 ~ 300 ℃ of temperature-measuring ranges.
(2) calibration break
1) calibration break bottom surface diameter: φ 100 mm;
2) calibration break height: h40 mm;
3) calibration break bottom thickness: 0.5 mm;
4) warm field uniformity :≤1.5 ℃.
(3) digital thermometer
1) measurement range :-60 ~ 300 ℃;
2) class of accuracy: 0.1 ℃.
Claims (2)
1. land surface pyrometer calibrating installation, it is characterized in that: comprise calibration cell, calibration break (1) and digital thermometer (2), described calibration cell comprises stainless steel liquid groove (3), stirrer (4) and temperature control system (5); Liquid tank fills liquid in (3), temperature control system (5) is controlled the temperature of liquid, stirrer (4) is positioned at the inner side of liquid tank (3), liquid tank (3) top is provided with opening, calibration break (1) places the aperture position of liquid tank (3), described calibration break (1) is for having the cylinder open cup of upper edge, calibration break (1) is made by aluminum alloy materials, its bottom surface smooth planar, the upper edge of calibration break (1) is provided with manhole (6), and the temperature-sensing element of digital thermometer (2) is inserted into liquid tank (3) inside by through hole (6).
2. land surface pyrometer calibrating installation as claimed in claim 1 is characterized in that: the thickness of described calibration break (1) bottom surface is 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320098176 CN203100936U (en) | 2013-03-05 | 2013-03-05 | Surface thermometer calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320098176 CN203100936U (en) | 2013-03-05 | 2013-03-05 | Surface thermometer calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203100936U true CN203100936U (en) | 2013-07-31 |
Family
ID=48852329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320098176 Expired - Fee Related CN203100936U (en) | 2013-03-05 | 2013-03-05 | Surface thermometer calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203100936U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806514A (en) * | 2016-05-17 | 2016-07-27 | 北京航星机器制造有限公司 | Method for achieving rapid screening conducted during wearable-wireless-temperature-gauge batch production |
| CN106813807A (en) * | 2017-01-05 | 2017-06-09 | 中国科学院上海光学精密机械研究所 | The test device and method of testing of temperature sensor uniformity |
| CN110411592A (en) * | 2019-08-28 | 2019-11-05 | 广州计量检测技术研究院 | Standard thermometer measurement servicing unit and its application method |
-
2013
- 2013-03-05 CN CN 201320098176 patent/CN203100936U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806514A (en) * | 2016-05-17 | 2016-07-27 | 北京航星机器制造有限公司 | Method for achieving rapid screening conducted during wearable-wireless-temperature-gauge batch production |
| CN105806514B (en) * | 2016-05-17 | 2018-11-09 | 北京航星机器制造有限公司 | Realize the method quickly screened when wearable wireless thermometers batch production |
| CN106813807A (en) * | 2017-01-05 | 2017-06-09 | 中国科学院上海光学精密机械研究所 | The test device and method of testing of temperature sensor uniformity |
| CN110411592A (en) * | 2019-08-28 | 2019-11-05 | 广州计量检测技术研究院 | Standard thermometer measurement servicing unit and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140305 |