CN206787719U - A kind of low temperature blackbody radiation source - Google Patents
A kind of low temperature blackbody radiation source Download PDFInfo
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- CN206787719U CN206787719U CN201720311612.1U CN201720311612U CN206787719U CN 206787719 U CN206787719 U CN 206787719U CN 201720311612 U CN201720311612 U CN 201720311612U CN 206787719 U CN206787719 U CN 206787719U
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- radiation source
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- blackbody radiation
- heat
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Abstract
The utility model discloses a kind of low temperature blackbody radiation source, blackbody radiation source includes shell, inner casing, black matrix target cavity, skirt, heating rod, heat-conducting medium, compressor；The shell is coated on the outside of inner casing, and shell is fixedly connected with inner casing；Heat-insulation layer is provided between shell and inner casing；The inner casing includes an accommodating chamber；The black matrix target cavity, heating rod are installed in accommodating chamber；Heat-conducting medium is filled with accommodating chamber；The compressor is fixedly connected with shell, and compressor is used to reduce the temperature in accommodating chamber；The skirt connection black matrix target cavity and the external world, skirt are fixedly connected with shell；Spout is provided with the skirt；The spout is used for gas injection and forms air curtain.Blackbody radiation source provided by the utility model coordinates the spout being provided with skirt for jet drying gas by there is provided spherical, the advantages of making black matrix target cavity be not easy to form condensed water in low temperature.
Description
Technical field
It the utility model is related to temperature detection instrument field, and in particular to a kind of low temperature blackbody radiation source.
Background technology
International temperature scale provides, reappears temperature with the spectral radiance of black body radiation.Blackbody radiation source is red as determining
The instrument of outer temperature measurer, it is more and more prominent in the effect of radiation temperature measurement.Moreover, blackbody radiation source is in remote sensing, thermometric, infrared heating
There is important application in lamp field.
However, in existing blackbody radiation source, especially in the blackbody radiation source of low temperature, black matrix target cavity is usually present
The problem of condensed water is produced on inwall.Next to that the opening of skirt is too small, it is not high to the fitness of instrument；And by the opening of skirt
The big air-flow then easily caused in outside air disturbance black matrix target cavity is made, causes temperature unstable.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide for a kind of low temperature blackbody radiation source,
The blackbody radiation source coordinates the spout being provided with skirt for jet drying gas by there is provided spherical, makes black
Body target cavity is not easy to form condensed water in low temperature.
The purpose of this utility model is realized using following technical scheme：
A kind of low temperature blackbody radiation source, blackbody radiation source include shell, inner casing, black matrix target cavity, skirt, heating rod, led
Thermal medium, compressor；The shell is coated on the outside of inner casing, and shell is fixedly connected with inner casing；It is provided between shell and inner casing
Heat-insulation layer；The inner casing includes an accommodating chamber；The black matrix target cavity, heating rod are installed in accommodating chamber；Accommodating chamber
It is interior to be filled with heat-conducting medium；The compressor is fixedly connected with shell, and compressor is used to reduce the temperature in accommodating chamber；It is described to draw
Pipe connects black matrix target cavity and the external world, skirt are fixedly connected with shell；Spout is provided with the skirt；The spout is used to spray
Body of emanating forms air curtain.
Preferably, the heat-conducting medium is liquid thermal conductivity media.
Preferably, the heat-conducting medium is silicone oil.
Preferably, the blackbody radiation source also includes agitator, and the agitator is fixedly mounted on shell, agitator
Agitating shaft, which is extended in accommodating chamber, to be used to stir heat-conducting medium.
Preferably, temperature sensor is additionally provided with the accommodating chamber, the temperature sensor is used to detect heat-conducting medium
Temperature.
Preferably, the black matrix target cavity be shaped as it is spherical.
Preferably, the thickness of the heat-insulation layer is 10-17cm.
Preferably, the skirt is cylindrical tube, and the length of skirt is 16cm, and the caliber of skirt is 5cm.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model provides a kind of low temperature blackbody radiation source, and the blackbody radiation source is matched somebody with somebody by there is provided spherical
The spout being provided with skirt for jet drying gas is closed, makes black matrix target cavity be not easy to form the excellent of condensed water in low temperature
Point.
2nd, for the utility model by being 16cm there is provided length, caliber is 5cm skirt, and is provided with spherical black matrix
Target cavity, the utility model is can adapt to the demand of a variety of detecting instruments, and can effectively prevent outside air to black
Disturbance in body target cavity.
Brief description of the drawings
Fig. 1 is the sectional view of the utility model embodiment 1.
Wherein, 1, shell；11st, heat-insulation layer；2nd, inner casing；21st, accommodating chamber；3rd, black matrix target cavity；4th, skirt；41st, spout；5、
Heating rod；6th, heat-conducting medium；7th, compressor；8th, agitator；81st, agitating shaft；9th, temperature sensor.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further：
Embodiment 1：
As shown in figure 1, a kind of low temperature blackbody radiation source, blackbody radiation source includes shell 1, inner casing 2, black matrix target cavity 3, drawn
Pipe 4, heating rod 5, heat-conducting medium 6, compressor 7；The shell 1 is coated on the outside of inner casing 2, and shell 1 is fixedly connected with inner casing 2；
Heat-insulation layer 11 is provided between shell 1 and inner casing 2；The inner casing 2 includes an accommodating chamber 21；The black matrix target cavity 3, add
Hot pin 5 is installed in accommodating chamber 21；Heat-conducting medium 6 is filled with accommodating chamber 21；The compressor 7 is fixedly connected with shell 1,
Compressor 7 is used to reduce the temperature in accommodating chamber 21；The skirt 4 connects black matrix target cavity 3 and the external world, and skirt 4 is solid with shell 1
Fixed connection；Spout 41 is provided with the skirt 4；The spout 41 is used for gas injection and forms air curtain.The heat-conducting medium 6 is
Liquid thermal conductivity media 6.The heat-conducting medium 6 is silicone oil.The blackbody radiation source also includes agitator 8, and the agitator 8 is fixed
On shell 1, the agitating shaft 81 of agitator 8, which is extended in accommodating chamber 21, to be used to stir heat-conducting medium 6.The accommodating chamber 21
Temperature sensor 9 is inside additionally provided with, the temperature sensor 9 is used for the temperature for detecting heat-conducting medium 6.The black matrix target cavity 3
Be shaped as it is spherical.The thickness of the heat-insulation layer 11 is 10-17cm.The skirt 4 is cylindrical tube, and the length of skirt 4 is
16cm, the caliber of skirt 4 is 5cm.
Operation principle of the present utility model is to start heating rod 5 to heat heat-conducting medium 6, under the stirring of agitator 8, is led
Thermal medium 6 is heated evenly, and transfers heat to black matrix target cavity 3, realizes required temperature.When needing low temperature, according to
Demand, start compressor 7, now compressor 7 is started working, and the condenser pipe of compressor 7 is assigned into accommodating chamber 21, is realized to holding
The heat-conducting medium 6 received in chamber 21 is cooled；At the same time, the spout 41 started on skirt 4 carries out gas injection, and spout 41 connects
Dry nitrogen is connected with, when spraying nitrogen, forms nitrogen air curtain, it is therefore prevented that the gas of external world's moistening flows into black matrix target cavity 3
It is interior, it is therefore prevented that the generation of condensed water.When temperature is down to required temperature, in order to reduce disturbance, spout 41 is closed, using required
The instrument of detection in black matrix target cavity 3 to detecting.The blackbody radiation source that the present embodiment is provided can provide -50 to 100
Degree Celsius temperature range.Meet the detection demand of a variety of instruments.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection of the utility model claims
Within the scope of.
Claims (7)
- A kind of 1. low temperature blackbody radiation source, it is characterised in that blackbody radiation source include shell, inner casing, black matrix target cavity, skirt, Heating rod, heat-conducting medium, compressor；The shell is coated on the outside of inner casing, and shell is fixedly connected with inner casing；Shell and inner casing it Between be provided with heat-insulation layer；The inner casing includes an accommodating chamber；The black matrix target cavity, heating rod are installed in accommodating chamber It is interior；Heat-conducting medium is filled with accommodating chamber；The compressor is fixedly connected with shell, and compressor is used to reduce the temperature in accommodating chamber Degree；The skirt connection black matrix target cavity and the external world, skirt are fixedly connected with shell；Spout is provided with the skirt；It is described Spout is used for gas injection and forms air curtain.
- 2. low temperature blackbody radiation source according to claim 1, it is characterised in that the heat-conducting medium is situated between for liquid thermal conductivity Matter.
- 3. low temperature blackbody radiation source according to claim 2, it is characterised in that the blackbody radiation source also includes stirring Device, the agitator are fixedly mounted on shell, and the agitating shaft of agitator, which is extended in accommodating chamber, to be used to stir heat-conducting medium.
- 4. low temperature blackbody radiation source according to claim 1, it is characterised in that temperature biography is additionally provided with the accommodating chamber Sensor, the temperature sensor are used for the temperature for detecting heat-conducting medium.
- 5. low temperature blackbody radiation source according to claim 1, it is characterised in that the black matrix target cavity is shaped as ball Shape.
- 6. low temperature blackbody radiation source according to claim 1, it is characterised in that the thickness of the heat-insulation layer is 10-17cm.
- 7. low temperature blackbody radiation source according to claim 1, it is characterised in that the skirt is cylindrical tube, skirt Length be 16cm, the caliber of skirt is 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311612.1U CN206787719U (en) | 2017-03-28 | 2017-03-28 | A kind of low temperature blackbody radiation source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311612.1U CN206787719U (en) | 2017-03-28 | 2017-03-28 | A kind of low temperature blackbody radiation source |
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| Publication Number | Publication Date |
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| CN206787719U true CN206787719U (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720311612.1U Active CN206787719U (en) | 2017-03-28 | 2017-03-28 | A kind of low temperature blackbody radiation source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887573A (en) * | 2019-12-04 | 2020-03-17 | 泰安德美机电设备有限公司 | Special anti-frosting and dewing device for low-temperature black body radiation source |
| WO2021232676A1 (en) * | 2020-05-19 | 2021-11-25 | 深圳市商汤科技有限公司 | Black-body radiation device |
-
2017
- 2017-03-28 CN CN201720311612.1U patent/CN206787719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887573A (en) * | 2019-12-04 | 2020-03-17 | 泰安德美机电设备有限公司 | Special anti-frosting and dewing device for low-temperature black body radiation source |
| WO2021232676A1 (en) * | 2020-05-19 | 2021-11-25 | 深圳市商汤科技有限公司 | Black-body radiation device |
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