CN202734989U - Radiation-resistant thermocouple - Google Patents
Radiation-resistant thermocouple Download PDFInfo
- Publication number
- CN202734989U CN202734989U CN201220269061.4U CN201220269061U CN202734989U CN 202734989 U CN202734989 U CN 202734989U CN 201220269061 U CN201220269061 U CN 201220269061U CN 202734989 U CN202734989 U CN 202734989U
- Authority
- CN
- China
- Prior art keywords
- protective cover
- protection tube
- fixing device
- thermopair
- urceolus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a radiation-resistant thermocouple. The thermocouple comprises an explosion-proof junction box, a connecting pipe, a mounting and fixing device, and a protecting pipe. The explosion-proof junction box is connected with one end of the connecting pipe, and the other end of the connecting pipe is connected with one end of the mounting and fixing device. One end of the protecting pipe is connected with the other end of the mounting and fixing device. A thermocouple is arranged inside the protecting pipe. The radiation-resistant thermocouple further comprises an adiabatic apparatus and a protective device; the adiabatic apparatus is sleeved on the protecting pipe; one end of the adiabatic apparatus is fixedly connected with the mounting and fixing device; and the protective device is connected at the other end of the protecting pipe and covers the protecting pipe. The radiation-resistant thermocouple provide by the utility model can assisting decreasing measuring errors caused by the difference between a temperature of the thermocouple itself and a gas temperature in heat radiation of a high-temperature gas.
Description
Technical field
The utility model relates to the thermopair technical field, is specifically related to a kind of radioresistance thermopair.
Background technology
Existing thermopair is comprised of explosion-proof connection box, protection tube, erecting device usually.The protecting tube of this structure is without any attachment device, when the temperature of the high-temperature gas in the thermocouple measurement industrial furnace, around the protecting tube the lower heating surface of temperature arranged, and makes the protection tube surface that radiant heat exchange be arranged, thus the measuring error of causing.The measured medium temperature is higher, and error is larger.
Summary of the invention
For above-mentioned technical matters, the utility model provides a kind of radioresistance thermopair, and thermopair of the present utility model reduces the measuring error between thermopair self temperature and the gas temperature under the high-temperature gas heat radiation.
The technical scheme that realizes the utility model purpose is as follows:
The radioresistance thermopair; comprise explosion-proof connection box, connecting pipe, fixing device for installing and protection tube; explosion-proof connection box is connected with an end of connecting pipe; the other end of connecting pipe is connected with an end of fixing device for installing; one end of protection tube is connected with the fixing device for installing other end; thermopair is housed in the protection tube; also comprise adiabatic apparatus and protective device; adiabatic apparatus is enclosed within on the protection tube; one end of adiabatic apparatus is fixedly connected with fixing device for installing, and described protective device is connected to the other end of protection tube and covers protection tube.
Described adiabatic apparatus is comprised of urceolus and heat guard, and heat guard is filled between urceolus and the protection tube.
Described urceolus is that an end has opening, and the other end has the urceolus of end cap, and the end cap of urceolus is provided with the through hole that passes for protection tube.
Described protective device comprises the first protective cover, the second protective cover, the 3rd protective cover, the 4th protective cover, and the 4th protective cover surrounds the 3rd protective cover, and the 3rd protective cover surrounds the second protective cover, and the second protective cover surrounds the first protective cover.
Described each protective cover is all spherical in shape.
Spacing between adjacent two protective covers is 4-7mm.
Described fixing device for installing is flange.
Adopted such scheme; put adiabatic apparatus and protective device at protection tube; the measuring junction of protection tube is isolated; radiant heat transfer with object around reducing and thermocouple measurement end; stop the radiant heat exchange on protection tube surface; thereby so that the utility model has been realized the error of tested gas temperature and actual temperature, the radiant heat transfer of object and thermocouple measurement end around reducing makes temperature that thermopair records more near the true temperature of gas.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is the assembly structure figure of utility model;
1 is explosion-proof connection box, and 2 is connecting pipe, and 3 is fixing device for installing, and 4 is urceolus, and 4a is end cap, and 5 is heat guard, and 6 is protection tube, and 7 is the first protective cover, and 8 is the second protective cover, and 9 is the 3rd protective cover, and 10 is the 4th protective cover.
Embodiment
With reference to Fig. 1, radioresistance thermopair of the present utility model comprises explosion-proof connection box 1, connecting pipe 2, fixing device for installing 3 and protection tube 6.Explosion-proof connection box 1 is used for the thermopair wiring; explosion-proof connection box 1 is connected with an end of connecting pipe 2, and the other end of connecting pipe 2 is connected with an end of fixing device for installing 3, and an end of protection tube 6 is connected with fixing device for installing 3 other ends; in the protection tube 6 thermopair is housed, fixing device for installing 3 is flange.Also comprise adiabatic apparatus and protective device, adiabatic apparatus is enclosed within on the protection tube, and an end of adiabatic apparatus is fixedly connected with fixing device for installing.Described adiabatic apparatus is comprised of urceolus 4 and heat guard 5, and heat guard 5 is filled between urceolus 4 and the protection tube 6, and heat guard 5 has adopted insulation and heat insulation ceramic fibre material to make.Described urceolus 4 is that an end has opening, and the other end has the urceolus of end cap 4a, and the end cap 4a of urceolus 4 is provided with the through hole that passes for protection tube 6.Described protective device is connected to the other end of protection tube and covers protection tube.Protective device comprises that the first protective cover 7, the second protective cover 8, the 3rd protective cover 9, the 4th protective cover 10, the four protective covers surround the 3rd protective cover, and the 3rd protective cover surrounds the second protective cover, and the second protective cover surrounds the first protective cover.Described each protective cover is all spherical in shape.Spacing between adjacent two protective covers is 4-7mm.
Assembling process of the present utility model is as follows:
The first protective cover 7 and 6 welding of part protection tube, the second protective cover 8 and 6 welding of part protection tube, the 3rd protective cover 9 and protection 6 pipe welding, the 4th protective cover 10 and protection tube 6 welding form the first assembly like this.Heat guard 5 is inserted in urceolus 4, and urceolus 4 is enclosed within on the first assembly, the first assembly and fixing device for installing 3 welding, and urceolus 4 and fixing device for installing 3 welding, connecting pipe 2 and fixing device for installing 3 welding are assembled explosion-proof connection box 1 at last.
Claims (7)
1. radioresistance thermopair; comprise explosion-proof connection box, connecting pipe, fixing device for installing and protection tube; explosion-proof connection box is connected with an end of connecting pipe; the other end of connecting pipe is connected with an end of fixing device for installing; one end of protection tube is connected with the fixing device for installing other end; thermopair is housed in the protection tube; it is characterized in that: also comprise adiabatic apparatus and protective device; adiabatic apparatus is enclosed within on the protection tube; one end of adiabatic apparatus is fixedly connected with fixing device for installing, and described protective device is connected to the other end of protection tube and covers protection tube.
2. radioresistance thermopair according to claim 1, it is characterized in that: described adiabatic apparatus is comprised of urceolus and heat guard, and heat guard is filled between urceolus and the protection tube.
3. radioresistance thermopair according to claim 2, it is characterized in that: described urceolus is that an end has opening, and the other end has the urceolus of end cap, the end cap of urceolus is provided with the through hole that passes for protection tube.
4. radioresistance thermopair according to claim 1, it is characterized in that: described protective device comprises the first protective cover, the second protective cover, the 3rd protective cover, the 4th protective cover, the 4th protective cover surrounds the 3rd protective cover, the 3rd protective cover surrounds the second protective cover, and the second protective cover surrounds the first protective cover.
5. radioresistance thermopair according to claim 4, it is characterized in that: each protective cover is all spherical in shape.
6. radioresistance thermopair according to claim 4, it is characterized in that: the spacing between adjacent two protective covers is 4-7mm.
7. radioresistance thermopair according to claim 1, it is characterized in that: described fixing device for installing is flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220269061.4U CN202734989U (en) | 2012-06-08 | 2012-06-08 | Radiation-resistant thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220269061.4U CN202734989U (en) | 2012-06-08 | 2012-06-08 | Radiation-resistant thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202734989U true CN202734989U (en) | 2013-02-13 |
Family
ID=47660676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220269061.4U Expired - Lifetime CN202734989U (en) | 2012-06-08 | 2012-06-08 | Radiation-resistant thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202734989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278255A (en) * | 2013-05-21 | 2013-09-04 | 天津市中环温度仪表有限公司 | Corrosion resistance thermocouple used for measuring smoke |
-
2012
- 2012-06-08 CN CN201220269061.4U patent/CN202734989U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278255A (en) * | 2013-05-21 | 2013-09-04 | 天津市中环温度仪表有限公司 | Corrosion resistance thermocouple used for measuring smoke |
| CN103278255B (en) * | 2013-05-21 | 2016-03-02 | 天津市中环温度仪表有限公司 | Measure the corrosion resistance thermocouple of flue gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
|
| CX01 | Expiry of patent term |