CN202734989U - Radiation-resistant thermocouple - Google Patents

Radiation-resistant thermocouple Download PDF

Info

Publication number
CN202734989U
CN202734989U CN 201220269061 CN201220269061U CN202734989U CN 202734989 U CN202734989 U CN 202734989U CN 201220269061 CN201220269061 CN 201220269061 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
Application number
CN 201220269061
Other languages
Chinese (zh)
Inventor
江银
康文捷
吴磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING CHUANYI 17 FACTORY Co Ltd
Original Assignee
CHONGQING CHUANYI 17 FACTORY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHONGQING CHUANYI 17 FACTORY Co Ltd filed Critical CHONGQING CHUANYI 17 FACTORY Co Ltd
Priority to CN 201220269061 priority Critical patent/CN202734989U/en
Application granted granted Critical
Publication of CN202734989U publication Critical patent/CN202734989U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

The radioresistance thermopair
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.
CN 201220269061 2012-06-08 2012-06-08 Radiation-resistant thermocouple Expired - Lifetime CN202734989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220269061 CN202734989U (en) 2012-06-08 2012-06-08 Radiation-resistant thermocouple

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220269061 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
CN 201220269061 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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN101334322B (en) High-temperature double-layer pipe temperature, stress-strain, vibration measurement method
CN102607730B (en) Multipoint flexible thermocouple
CN104236754A (en) Oil-immersed transformer winding hot-spot temperature monitoring method based on tank wall temperature
JP2013108905A5 (en)
CN201555633U (en) Electric heat tracing liquid level meter
CN202734989U (en) Radiation-resistant thermocouple
CN202853785U (en) Apparatus for measuring temperature of pipe wall of electric heating pool boiling reinforced surface pipe
CN204330649U (en) Pipe insulating layer heat insulation effect multi-channel detection device
CN105240651A (en) Detachable insulation box having temperature measurement and electric heat tracing functions
CN202255653U (en) Integrated temperature detection device
CN203053600U (en) High-pressure multi-point flexible thermocouple with leak hunting device
CN1869619A (en) High voltage environment fibre-optical raster temp. sensor
CN206339317U (en) A kind of Transformer Winding temperature on-line monitoring device
CN104406707A (en) Dual-thermocouple protective casing pipe
CN204535885U (en) A kind of non-metallic fiber grating pyrostat
CN204758162U (en) A temperature measurement system for regional cooling heat supply pipeline
CN202734988U (en) Radiation-resistant air-pumping multipoint thermocouple
CN106153214A (en) For the temperature sensor within oil-immersed type transformer and manufacture method thereof
CN202836812U (en) Thermal resistor
CN104568196A (en) Platinum rhodium thermal coupler
CN204346600U (en) A kind of platinum rhodium thermocouple
CN202442804U (en) Multipoint temperature sensor suitable for ethylene glycol reactor
CN205879388U (en) Multistage temperature thermocouple
CN204964055U (en) Multiple spot thermocouple of coke oven gas system liquefied natural gas protection bed / reactor
JP4230446B2 (en) Explosion-proof sheathed heater

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130213