CN105300542B - A kind of thermocouple for the measurement of high-velocity fluid temperature - Google Patents
A kind of thermocouple for the measurement of high-velocity fluid temperature Download PDFInfo
- Publication number
- CN105300542B CN105300542B CN201510701971.3A CN201510701971A CN105300542B CN 105300542 B CN105300542 B CN 105300542B CN 201510701971 A CN201510701971 A CN 201510701971A CN 105300542 B CN105300542 B CN 105300542B
- Authority
- CN
- China
- Prior art keywords
- protecting pipe
- pipe
- connecting portion
- measurement
- bellows
- 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.)
- Active
Links
Landscapes
- Measuring Volume Flow (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a kind of thermocouples for the measurement of high-velocity fluid temperature, including：Terminal box, thermode and protective case, thermode are connect with terminal box, and thermode includes the conductor A and conductor B that both ends are bonded into circuit；The outside of conductor A and conductor B are cased with insulation protection tube, and insulation protection tube includes sequentially connected first protection pipe, the first bellows and the second protection pipe；Protective case is sleeved on the outside of thermode and is tightly connected with terminal box, and protective case includes sequentially connected first protecting pipe, the second bellows and the second protecting pipe；First protecting pipe outer peripheral surface is equipped with first connecting portion；Second protecting pipe outer peripheral surface is equipped with second connecting portion, and second connecting portion is connect by traction rope with first connecting portion.The present invention is improved by the structure to insulation protection tube and protective case, so that it can bend in measurement process, to ensure that it is parallel to pipeline, to reduce fluid impulse force caused by it, avoids the problem that being broken.
Description
Technical field
The present invention relates to Thermocouples Technology field more particularly to a kind of thermocouples for the measurement of high-velocity fluid temperature.
Background technique
Thermocouple (thermocouple) is common temperature element in temperature measuring instrument, it directly measures temperature, and
Temperature signal is converted into thermo-electromotive force signal, the temperature of measured medium is converted by electric meter (secondary meter).
It is directly contacted since thermocouple needs to be inserted into pipeline in measurement with fluid, and the temperature of high-velocity fluid is surveyed
Amount, in vertical situation, convection current body generates resistance or even is broken under action of a fluid the protective case of thermocouple next time.Mesh
Preceding there has been no the thermocouples of the temperature measurement setting for high-velocity fluid, it would be highly desirable to improve.
Summary of the invention
Technology based on the above background, the present invention propose a kind of heat for the measurement of high-velocity fluid temperature
Galvanic couple, to prevent thermocouple from breakage problem occurring in measurement process.
The invention proposes a kind of thermocouples for the measurement of high-velocity fluid temperature, including：Terminal box, thermode and protection
Set, wherein：
Thermode is connect with terminal box, and thermode includes the conductor A and conductor B that both ends are bonded into circuit；Conductor A and conductor
The outside of B is cased with insulation protection tube, and insulation protection tube includes that the first protection pipe, the second protection pipe and setting are protected first
Between pillar and the second protection pipe and connect the first protection pipe and the second protection pipe the first bellows；
Protective case is sleeved on the outside of thermode and is tightly connected with terminal box, and protective case includes the first protecting pipe, second
Protecting pipe and it is arranged between the first protecting pipe and the second protecting pipe and connects the second of the first protecting pipe and the second protecting pipe
Bellows；
One end of first protecting pipe and terminal box are tightly connected, and the first protecting pipe outer peripheral surface is equipped with first connecting portion；
Second protecting pipe outer peripheral surface is equipped with second connecting portion, and second connecting portion is connected by traction rope and first connecting portion
It connects.
Preferably, the second protecting pipe is flat tube, and the quantity of the second connecting portion on the second protecting pipe is two, two the
Two connecting portions are on the same flat horizontal surface of the second protecting pipe, and two second connecting portions pass through traction rope and first connecting portion connects
It connects.
Preferably, traction rope is made by metal material, traction rope around first connecting portion and its both ends respectively with
Two second connecting portion connections, and connect by traction rope with first connecting portion.
Preferably, two second connecting portions are respectively positioned on one end on the second protecting pipe far from the second bellows, and two the
Two interconnecting pieces are arranged symmetrically along the second sheath tube axis line.
Preferably, first connecting portion is located at one end on the first protecting pipe far from the first bellows.
Preferably, the first protecting pipe is flat tube.
Preferably, the second bellows is flat tube.
Preferably, insulation protection tube is flat tube, and its flat ratio is identical as the flat ratio of the first protecting pipe.
Preferably, the first bellows is flat tube, and its flat ratio is identical as the flat ratio of the second bellows.
Preferably, the side on the first protecting pipe far from first connecting portion is equipped with the first secondary interconnecting piece；On second protecting pipe
Side far from second connecting portion is equipped with the second secondary interconnecting piece, and the second secondary interconnecting piece is connected by traction rope and the first secondary interconnecting piece
It connects.
Preferably, the first secondary interconnecting piece is oppositely arranged with first connecting portion, and the second secondary interconnecting piece is opposite with second connecting portion
Setting.
In the present invention, insulation protection tube includes the first protection pipe, the second protection pipe and setting in the first protection pipe and the
Between two protection pipes and connect the first protection pipe and the second protection pipe the first bellows；Protective case is sleeved on the outside of thermode
And be tightly connected with terminal box, protective case includes the first protecting pipe, the second protecting pipe and is arranged in the first protecting pipe and second
Between protecting pipe and connect the first protecting pipe and the second protecting pipe the second bellows；And first protecting pipe one end and terminal box
It is tightly connected, the first protecting pipe outer peripheral surface is equipped with first connecting portion；Second protecting pipe outer peripheral surface is equipped with second connecting portion, the
Two interconnecting pieces are connect by traction rope with first connecting portion；After directly contacting in protective case insertion pipeline with fluid, tightening is led
Messenger, the second protecting pipe bends at the second bellows under the action of tractive force in protective case, and insulation protection tube
In the second protection pipe be bent under the drive of the second protecting pipe along synchronous at first wave line pipe, be parallel to the second protecting pipe
Pipeline, to reduce protective case to the resistance of fluid, can effectively be prevented so that protective case is arranged along the flow direction of fluid
The problem of only protective case is broken under fluid matasomatism, and the design of this structure can increase the depth of protective case in a fluid
Degree improves measurement accuracy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of thermocouple for the measurement of high-velocity fluid temperature proposed by the present invention.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
As shown in FIG. 1, FIG. 1 is a kind of structural representations of the thermocouple for the measurement of high-velocity fluid temperature proposed by the present invention
Figure.
Referring to Fig.1, a kind of thermocouple for the measurement of high-velocity fluid temperature that the embodiment of the present invention proposes, including：Wiring
Box 1, thermode 2, protective case 3 and traction rope 7, wherein：
Thermode 2 is connect with terminal box 1, and thermode 2 includes the conductor A and conductor B that both ends are bonded into circuit；Conductor A and
The outside of conductor B is cased with insulation protection tube 4, and insulation protection tube 4 includes that the first protection pipe, the second protection pipe and setting exist
Between first protection pipe and the second protection pipe and connect the first protection pipe and the second protection pipe the first bellows；First protection
Pipe, the second protection pipe and the first bellows are flat tube.
Protective case 3 is sleeved on the outside of thermode 2 and is tightly connected with terminal box 1, and protective case 3 includes the first protecting pipe
31, the second protecting pipe 32 and setting between the first protecting pipe 31 and the second protecting pipe 32 and connect 31 and of the first protecting pipe
Second bellows 33 of the second protecting pipe 32；First protecting pipe 31, the second protecting pipe 32 and the second bellows 33 are flat tube,
And first protecting pipe 31, the second protecting pipe 32 and the second bellows 33 and the first protection pipe, the second protection pipe and the first bellows
Flat ratio it is all the same；
One end of first protecting pipe 31 and terminal box 1 are tightly connected, and 31 outer peripheral surface of the first protecting pipe is equipped with the first connection
Portion 5, first connecting portion 5 are located at one end on the first protecting pipe 31 far from the first bellows；It is set on second protecting pipe, 32 outer peripheral surface
There are two second connecting portion 6, two second connecting portions 6 are located on the same flat horizontal surface of the second protecting pipe 32, and two second companies
Socket part 6 is respectively positioned on one end on the second protecting pipe 32 far from the second bellows 33, and two second connecting portions 6 are along the second sheath
32 axial line of pipe is arranged symmetrically.
Traction rope 7 is made by metal material, traction rope 7 around first connecting portion 5 and its both ends respectively with two
Second connecting portion 6 connects, and is connect by traction rope 7 with first connecting portion 5.
In the present embodiment, the side on the first protecting pipe 31 far from first connecting portion 5 is equipped with the first secondary interconnecting piece, and first
Secondary interconnecting piece is oppositely arranged with first connecting portion 5；Side on second protecting pipe 32 far from second connecting portion 6 is equipped with the second pair even
Socket part, and the second secondary interconnecting piece is oppositely arranged with second connecting portion 6, the second secondary interconnecting piece is connect by traction rope 7 with the first pair
Portion's connection.
When in use, after protective case 3, which is inserted into pipeline, directly contact with fluid, tightening traction rope 7, the in protective case 3
Two protecting pipes 32 bend at the second bellows 33 under the action of tractive force, and second in insulation protection tube 4 protects
Pillar is bent under the drive of the second protecting pipe 32 along synchronous at first wave line pipe, and the second protecting pipe 32 is made to be parallel to pipeline,
So that protective case 3 is arranged along the flow direction of fluid, to reduce protective case 3 to the resistance of fluid, can effectively prevent
The problem of protective case 3 is broken under fluid matasomatism, and the design of this structure can increase the depth of protective case 3 in a fluid
Degree improves measurement accuracy.
From the foregoing, it will be observed that the thermocouple for the measurement of high-velocity fluid temperature proposed by the invention passes through to insulation protection tube 4
It is improved with the structure of protective case 3, so that it can bend in measurement process, to ensure that it is parallel to pipeline, with
Reduce fluid impulse force caused by it, avoids the problem that being broken.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of thermocouple for the measurement of high-velocity fluid temperature, which is characterized in that including：Terminal box (1), thermode (2) and
Protective case (3), wherein：
Thermode (2) is connect with terminal box (1), and thermode (2) includes the conductor A and conductor B that both ends are bonded into circuit；Conductor A
Be cased with insulation protection tube (4) with the outside of conductor B, insulation protection tube (4) include the first protection pipe, the second protection pipe and
It is arranged between the first protection pipe and the second protection pipe and connects the first bellows of the first protection pipe and the second protection pipe；
Protective case (3) is sleeved on the outside of thermode (2) and is tightly connected with terminal box (1), and protective case (3) includes the first sheath
It manages (31), the second protecting pipe (32) and is arranged between the first protecting pipe (31) and the second protecting pipe (32) and connects first
The second bellows (33) of protecting pipe (31) and the second protecting pipe (32)；
One end and terminal box (1) of first protecting pipe (31) are tightly connected, and the first protecting pipe (31) outer peripheral surface is equipped with first and connects
Socket part (5)；
Second protecting pipe (32) outer peripheral surface is equipped with second connecting portion (6), and second connecting portion (6) passes through traction rope (7) and first
Interconnecting piece (5) connection.
2. the thermocouple according to claim 1 for the measurement of high-velocity fluid temperature, which is characterized in that the second protecting pipe
It (32) is flat tube, the quantity of the second connecting portion (6) on the second protecting pipe (32) is two, two second connecting portion (6) positions
In on the same flat horizontal surface of the second protecting pipe (32), two second connecting portions (6) pass through traction rope (7) and first connecting portion
(5) it connects.
3. the thermocouple according to claim 2 for the measurement of high-velocity fluid temperature, which is characterized in that two second connections
Portion (6) is respectively positioned on one end on the second protecting pipe (32) far from the second bellows (33), and two second connecting portions (6) are along the
Two protecting pipes (32) axial line is arranged symmetrically.
4. the thermocouple according to claim 2 for the measurement of high-velocity fluid temperature, which is characterized in that first connecting portion
(5) it is located at one end on the first protecting pipe (31) far from the second bellows (33).
5. the thermocouple according to claim 4 for the measurement of high-velocity fluid temperature, which is characterized in that the first protecting pipe
It (31) is flat tube, and its flat ratio is identical as the flat ratio of the second protecting pipe (32).
6. the thermocouple according to claim 4 for the measurement of high-velocity fluid temperature, which is characterized in that the second bellows
It (33) is flat tube, and its flat ratio is identical as the flat ratio of the first protecting pipe (31).
7. the thermocouple according to claim 2 or 5 for the measurement of high-velocity fluid temperature, which is characterized in that the first protection
Pipe and the second protection pipe are flat tube, and its flat ratio is identical as the flat ratio of the second protecting pipe (32).
8. the thermocouple according to claim 6 for the measurement of high-velocity fluid temperature, which is characterized in that the first bellows is
Flat tube, and its flat ratio is identical as the flat ratio of the second bellows (33).
9. the thermocouple according to claim 1 for the measurement of high-velocity fluid temperature, which is characterized in that the first protecting pipe
(31) side on far from first connecting portion (5) is equipped with the first secondary interconnecting piece；Far from second connecting portion on second protecting pipe (32)
(6) side is equipped with the second secondary interconnecting piece, and the second secondary interconnecting piece is connect by traction rope (7) with the first secondary interconnecting piece.
10. the thermocouple according to claim 9 for the measurement of high-velocity fluid temperature, which is characterized in that the first secondary connection
Portion is oppositely arranged with first connecting portion (5), and the second secondary interconnecting piece is oppositely arranged with second connecting portion (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510701971.3A CN105300542B (en) | 2015-10-23 | 2015-10-23 | A kind of thermocouple for the measurement of high-velocity fluid temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510701971.3A CN105300542B (en) | 2015-10-23 | 2015-10-23 | A kind of thermocouple for the measurement of high-velocity fluid temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105300542A CN105300542A (en) | 2016-02-03 |
| CN105300542B true CN105300542B (en) | 2018-11-27 |
Family
ID=55198062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510701971.3A Active CN105300542B (en) | 2015-10-23 | 2015-10-23 | A kind of thermocouple for the measurement of high-velocity fluid temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105300542B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144364A (en) * | 2017-04-13 | 2017-09-08 | 清华大学 | A kind of armoured thermocouple hot junction fixing means |
| CN112286244A (en) * | 2020-11-04 | 2021-01-29 | 四川大学 | Intelligent drum capable of monitoring temperature and PH value in real time and use method thereof |
| CN113503980A (en) * | 2021-07-10 | 2021-10-15 | 宁夏莫克仪表科技有限公司 | Special thermocouple for gasification furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101675327A (en) * | 2007-11-02 | 2010-03-17 | 三菱重工业株式会社 | Quick-response thermocouple for high-speed fluid |
| CN201748984U (en) * | 2010-08-23 | 2011-02-16 | 浙江伦特机电有限公司 | Thermometer for average temperature measurement of liquid in tank body |
| CN103604524A (en) * | 2013-10-28 | 2014-02-26 | 安徽蓝德集团股份有限公司 | Glass-packaged bendable thermocouple |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61264230A (en) * | 1985-05-17 | 1986-11-22 | Nippon Steel Corp | Freely bendable thermocouple |
| JPH08292105A (en) * | 1995-04-21 | 1996-11-05 | Furukawa Electric Co Ltd:The | Protective tube for thermocouple |
-
2015
- 2015-10-23 CN CN201510701971.3A patent/CN105300542B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101675327A (en) * | 2007-11-02 | 2010-03-17 | 三菱重工业株式会社 | Quick-response thermocouple for high-speed fluid |
| CN201748984U (en) * | 2010-08-23 | 2011-02-16 | 浙江伦特机电有限公司 | Thermometer for average temperature measurement of liquid in tank body |
| CN103604524A (en) * | 2013-10-28 | 2014-02-26 | 安徽蓝德集团股份有限公司 | Glass-packaged bendable thermocouple |
Non-Patent Citations (1)
| Title |
|---|
| 热电偶测温系统设计;李彦芳;《电子设计工程》;20130831;第21卷(第16期);第97-99页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105300542A (en) | 2016-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105300542B (en) | A kind of thermocouple for the measurement of high-velocity fluid temperature | |
| CN104048773A (en) | Thermowell Insert | |
| US8444317B2 (en) | Multiposition temperature measuring cable | |
| CN103389169B (en) | Thermocouple cold junction compensation type combined socket connector | |
| BR102016016847B1 (en) | HEATED CONNECTOR ASSEMBLY | |
| CN107923799A (en) | flexible multi-point thermometer | |
| CN204924463U (en) | Conduit flow body examination temperature structure | |
| CN105547512A (en) | Thermal resistor for power station auxiliary equipment | |
| CN105058275A (en) | Clamp special for detecting thermocouple and method for detecting thermocouple | |
| CN102003624A (en) | Long distance concentrated sulphuric acid pipe leakage monitoring method | |
| CN210741697U (en) | Special temperature sensor for coal mine industry | |
| CN102889943A (en) | NTC (Negative Temperature Coefficient) temperature sensor | |
| CN209623893U (en) | A kind of U-shaped wall-penetrating type thermal resistance of high sealing | |
| CN210040648U (en) | Connector for calibrating digital thermometer | |
| CN205091062U (en) | Temperature transducer of adaptation high temperature, vibration and filthy environment | |
| CN103604524A (en) | Glass-packaged bendable thermocouple | |
| US20090147825A1 (en) | Electronic thermometer sensor tip | |
| CN205580616U (en) | Armoured thermocouple cable of reducing | |
| CN106123258A (en) | A kind of temperature-sensitive bag fixed mount and use its air-conditioning | |
| CN202661187U (en) | Compartment-used temperature sensor with insulation sleeve | |
| CN202166483U (en) | NTC temperature sensor | |
| CN206223327U (en) | Temperature transmitter | |
| CN203406081U (en) | High-temperature-resistant corrosion-resistant armored precious metal thermocouple compensation lead cable | |
| CN209841126U (en) | Multi-section galvanic couple type hot solution liquid level detection device | |
| CN209841210U (en) | Leakage-proof micro armored tile thermometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181015 Address after: 239300 Tianchang Economic Development Zone, Chuzhou, Anhui Province, north of Weiyi Road, east of five road. Applicant after: Anhui Lande Automation Technology Co., Ltd. Address before: 239300 Tianchang Economic Development Zone, Chuzhou, Anhui Province, north of Weiyi Road, east of five road. Applicant before: Anhui Land Instrument Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |