CN106595889A - Length-adjustable high-precision thermocouple - Google Patents
Length-adjustable high-precision thermocouple Download PDFInfo
- Publication number
- CN106595889A CN106595889A CN201611145688.8A CN201611145688A CN106595889A CN 106595889 A CN106595889 A CN 106595889A CN 201611145688 A CN201611145688 A CN 201611145688A CN 106595889 A CN106595889 A CN 106595889A
- Authority
- CN
- China
- Prior art keywords
- conductor
- screw thread
- conducting line
- adjustable
- protection chamber
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
Abstract
The invention provides a length-adjustable high-precision thermocouple comprising a junction box, a protective tube and a thermal electrode, the protective tube comprising a first tube body, a second tube body and a third tube body, the thermal electrode comprising a first conductor, a second conductor, a first helical wire, and a second helical wire. Only the third tube body is rotated when the length of the thermocouple is required to be adjusted. The first conductor and the second conductor are connected with binding posts in the junction box through the first helical wire and the second helical wire, respectively. The first conductor and the second conductor are sleeved with a first insulation protection tube and a second insulation protection tube respectively so as to ensure the temperature measurement performance of the first conductor and the second conductor. Through the cooperation of the first tube body, the second tube body, the third tube body, the first conductor and the second conductor, the length-adjustable high-precision thermocouple measures the temperature of temperature measurement areas at different heights, is simple in operation, convenient to use, and high in temperature measurement precision.
Description
Technical field
The present invention relates to Thermocouples Technology field, more particularly to a kind of adjustable-length High Accuracy Thermocouple Temperature.
Background technology
Thermocouple is the temperature measuring device according to Seebeck effect manufacture, i.e., formed using the homogeneous conductor of two kinds of heterogeneities
Loop, when two ends have the temperature difference, produces the principle of thermoelectrical potential.Because it has, simple structure, Applicable temperature scope be wide, measurement
High precision, it is easy to use, the features such as bear heat, mechanical shock ability strong and fast response time, it has also become it is industrial the most frequently used
One of detector unit.In prior art, typically had according to the situation in thermometric space and the position selection of point for measuring temperature
The thermocouple of appropriate length, when having multiple points for measuring temperature in same thermometric space, generally requires to add multiple thermocouples to carry out
Thermometric carries out the replacing of thermocouple during thermometric, operation inconvenience, needs to be improved.
The content of the invention
Based on technical problem present in background technology, the present invention proposes a kind of adjustable-length High Accuracy Thermocouple Temperature.
A kind of adjustable-length High Accuracy Thermocouple Temperature proposed by the present invention, including rosette, protection pipe and thermode, wherein：
Protection pipe includes the first body, the second body and the 3rd body, and the first body is provided with the first protection chamber, the first body
First end is tightly connected with rosette, and the second body first end sealing, the second body is provided with the second protection chamber, and the 3rd body is provided with
3rd protection chamber, the 3rd body two ends are connected respectively with first the second end of body, second the second end of body screw thread, and the
One protection chamber, the second protection chamber, the 3rd protection chamber are sequentially communicated；
Thermode includes the first conductor, the second conductor, the first spiral conducting line and the second spiral conducting line, the first conductor, second
Conductor is arranged at the 3rd protection intracavity, and the first conductor, the second conductor first end extend respectively to the second protection intracavity simultaneously mutually
Connection, and the first insulation protection tube is arranged with outside the first conductor, the second insulation protection tube is arranged with outside the second conductor；The
One spiral conducting line, the second spiral conducting line are arranged at the first protection intracavity, and the first spiral conducting line first end extends to the 3rd protection
Intracavity is connected with first the second end of conductor, and the second spiral conducting line first end extends to the three or six protection intracavity and the second conductor second
End connection, the first spiral conducting line, second the second end of spiral conducting line are respectively protruding in rosette and connect with the binding post in rosette
Connect to form loop.
Preferably, first the second end of body inwall is provided with the first female thread, and the 3rd body first end outer wall is provided with outside first
Screw thread, the first body is connected with the 3rd body by above-mentioned first female thread, the first external screw thread screw thread.
Preferably, it is provided with one layer of Seal Oil between the first female thread of the first body and the first external screw thread of the 3rd body
Film.
Preferably, second the second end of body inwall is provided with the second female thread, and the 3rd the second end of body outer wall is provided with outside second
Screw thread, the second body is connected with the 3rd body by above-mentioned second female thread, the second external screw thread screw thread.
Preferably, it is provided with one layer of Seal Oil between the second female thread of the second body and the second external screw thread of the 3rd body
Film.
Preferably, first the second end of body periphery is provided with first annular mounting seat, and first annular mounting seat is provided with multiple
The diameter parallel of the first pilot hole, the axis of the first pilot hole and the first body, second the second end of body periphery is provided with the second ring
Shape mounting seat, the second annular mounting seat is provided with the axis of multiple second pilot holes, the axis of the second pilot hole and the second body
Parallel, the first pilot hole is corresponded with the second pilot hole and is bolted respectively.
Preferably, the first body, the second body, the 3rd body have different length.
Preferably, the first body, the second body, cylindrical the 3rd body and the first body, the second body, the 3rd pipe
Body has identical internal diameter.
In the present invention, the 3rd body two ends are connected respectively with first the second end of body, second the second end of body screw thread,
And the first protection chamber, the second protection chamber, the 3rd protection chamber are sequentially communicated, and the first conductor, the second conductor are arranged at the 3rd guarantor
Shield intracavity, the first conductor, the second conductor first end extend respectively to the second protection intracavity and are connected with each other, and outside the first conductor
Portion is arranged with the first insulation protection tube, and the second insulation protection tube is arranged with outside the second conductor；First spiral conducting line, the second spiral
Wire is arranged at the first protection intracavity, and the first spiral conducting line first end extends to the 3rd protection intracavity and first the second end of conductor
Connection, the second spiral conducting line first end extends to the three or six protection intracavity and is connected with second the second end of conductor, the first spiral conducting line,
Second the second end of spiral conducting line is respectively protruding in rosette and is connected to form loop with the binding post in rosette.When need adjustment
During thermocouple length, need to only rotate the 3rd protection pipe and adjust thermocouple length, the first conductor of the invention, the second conductor pass through respectively
First spiral conducting line, the second spiral conducting line are connected with rosette internal wiring terminal, and outside the first conductor, the second conductor first is arranged respectively
Insulation protection tube, the second insulation protection tube so that the first conductor, the thermometric performance of the second conductor are protected；The present invention passes through
First protection pipe, the second protection pipe, the 3rd protection pipe, the first conductor, the second conductor cooperate, and realize to differing heights
Thermometric region carry out temperature survey, simple to operate, easy to use, temperature measurement accuracy is high.
Description of the drawings
Fig. 1 is a kind of structural representation of adjustable-length High Accuracy Thermocouple Temperature proposed by the present invention.
Specific embodiment
With reference to Fig. 1, the present invention proposes a kind of adjustable-length High Accuracy Thermocouple Temperature, including rosette 1, protection pipe 2 and thermoelectricity
Pole 3, wherein：
Protection pipe 2 includes the first body 21, the second body 22 and the 3rd body 23, and the first body 21 is provided with the first protection chamber
24, the first end of the first body 21 is tightly connected with rosette 1, and the first end of the second body 22 sealing, the second body 22 is provided with second
Protection chamber 25, the 3rd body 23 is provided with the 3rd protection chamber 26.The two ends of 3rd body 23 respectively with the end of the first body 21 second, second
The end screw thread of body 22 second is connected, and the first protection chamber 24, second protection chamber the 25, the 3rd protection chamber 26 is sequentially communicated.
The end periphery of first body 21 second is provided with first annular mounting seat 27, and first annular mounting seat 27 is provided with multiple first assemblings
The diameter parallel of hole, the axis of the first pilot hole and the first body 21, the end periphery of the second body 22 second is provided with the second annular peace
Dress seat 28, the second annular mounting seat 28 is provided with the axle of multiple second pilot holes, the axis of the second pilot hole and the second body 22
Line is parallel, and the first pilot hole is corresponded with the second pilot hole and is connected by bolt 4 respectively.
Specifically：The end inwall of first body 21 second is provided with the first female thread, and the first end outer wall of the 3rd body 23 is provided with
One external screw thread, the first body 21 is connected with the 3rd body 23 by above-mentioned first female thread, the first external screw thread screw thread, and first
One layer of sealing oil film is provided between first female thread of body 21 and the first external screw thread of the 3rd body 23.Second body 22 second
End inwall is provided with the second female thread, and the end outer wall of the 3rd body 23 second is provided with the second external screw thread, the second body 22 and the 3rd body
23 are connected by above-mentioned second female thread, the second external screw thread screw thread, second female thread and the 3rd body of the second body 22
One layer of sealing oil film is provided between 23 the second external screw thread.
Thermode 3 include the first conductor 31, the second conductor 32, the first spiral conducting line 33 and the second spiral conducting line 34, first
Conductor 31, the second conductor 32 are arranged in the 3rd protection chamber 26, and the first conductor 31, the first end of the second conductor 32 are extended respectively to
Second protection chamber 25 is interior and is connected with each other, and the first insulation protection tube 35 is arranged with outside the first conductor 31, the second conductor 32
Outside is arranged with the second insulation protection tube 36.First spiral conducting line 33, the second spiral conducting line 34 are arranged at the first protection chamber 24
Interior, the first end of the first spiral conducting line 33 is extended to and is connected with the end of the first conductor 31 second in the 3rd protection chamber 26, and the second spiral is led
The first end of line 34 extends to the three or six protection intracavity and is connected with the end of the second conductor 32 second, the first spiral conducting line 33, the second spiral
The end of wire 34 second is respectively protruding in rosette 1 and is connected to form loop with the binding post in rosette 1.
In a specific embodiment, the first body 21, the second body 22, the 3rd body 23 have different length, and first
Body 21, the second body 22, cylindrical the 3rd body 23 and the first body 21, the second body 22, the 3rd body 23 have
Identical internal diameter.
A kind of adjustable-length High Accuracy Thermocouple Temperature proposed by the present invention, when needing to adjust thermocouple length, demounting bolt
4, need to only rotate the 3rd protection pipe 23 and adjust thermocouple length, the first conductor 31 of the invention, the second conductor 32 pass through respectively first
Spiral conducting line 33, the second spiral conducting line 34 are connected with the internal wiring terminal of rosette 1, cover respectively outside the first conductor 31, the second conductor 32
If the first insulation protection tube 35, the second insulation protection tube 36 so that the first conductor 31, the thermometric performance of the second conductor 32 are protected
Barrier；By arranging the annular mounting seat 28 of first annular mounting seat 27 and second, and by bolt 4 by first annular mounting seat 27,
Second ring-type mounting seat 28 is detachably connected, it is ensured that connect tight between the first body 21, the second body 22, the 3rd body 23
Close property, prevents the first body 21, the second body 22, the 3rd body 23 from coming off, it is to avoid to cause error to thermometric；The present invention is by the
One protection pipe 21, second protection pipe 22, the 3rd protection pipe 23, the first conductor 31, the second conductor 32 cooperate, and it is right to realize
The thermometric region of differing heights carries out temperature survey, simple to operate, easy to use, and temperature measurement accuracy is high.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (8)
1. a kind of adjustable-length High Accuracy Thermocouple Temperature, it is characterised in that including rosette (1), protection pipe (2) and thermode (3),
Wherein：
Protection pipe (2) includes the first body (21), the second body (22) and the 3rd body (23), and the first body (21) is provided with first
Protection chamber (24), the first body (21) first end is tightly connected with rosette (1), the sealing of the second body (22) first end, and second
Body (22) is provided with the second protection chamber (25), and the 3rd body (23) is provided with the 3rd protection chamber (26), the 3rd body (23) two ends point
Be not connected with the end of the first body (21) second, the end screw thread of the second body (22) second, and first protection chamber (24), second
Protection chamber (25), the 3rd protection chamber (26) are sequentially communicated；
Thermode (3) includes the first conductor (31), the second conductor (32), the first spiral conducting line (33) and the second spiral conducting line
(34), the first conductor (31), the second conductor (32) are arranged in the 3rd protection chamber (26), the first conductor (31), the second conductor
(32) first end is extended respectively in the second protection chamber (25) and is connected with each other, and is arranged with first outside the first conductor (31)
The second insulation protection tube (36) is arranged with outside insulation protection tube (35), the second conductor (32)；First spiral conducting line (33), second
Spiral conducting line (34) is arranged in the first protection chamber (24), and the first spiral conducting line (33) first end extends to the 3rd protection chamber
(26) it is connected with the end of the first conductor (31) second in, the second spiral conducting line (34) first end extends to the three or six and protects intracavity and the
The end of two conductor (32) second connects, and the first spiral conducting line (33), the end of the second spiral conducting line (34) second are respectively protruding into rosette (1)
It is interior and be connected to form loop with the binding post in rosette (1).
2. adjustable-length High Accuracy Thermocouple Temperature according to claim 1, it is characterised in that in the end of the first body (21) second
Wall is provided with the first female thread, and the 3rd body (23) first end outer wall is provided with the first external screw thread, the first body (21) and the 3rd body
(23) it is connected by above-mentioned first female thread, the first external screw thread screw thread.
3. adjustable-length High Accuracy Thermocouple Temperature according to claim 2, it is characterised in that in the first of the first body (21)
One layer of sealing oil film is provided between first external screw thread of screw thread and the 3rd body (23).
4. the adjustable-length High Accuracy Thermocouple Temperature according to any one of claim 1-3, it is characterised in that the second body
(22) second end inwalls are provided with the second female thread, and the end outer wall of the 3rd body (23) second is provided with the second external screw thread, the second body
(22) it is connected by above-mentioned second female thread, the second external screw thread screw thread with the 3rd body (23).
5. adjustable-length High Accuracy Thermocouple Temperature according to claim 4, it is characterised in that in the second of the second body (22)
One layer of sealing oil film is provided between second external screw thread of screw thread and the 3rd body (23).
6. the adjustable-length High Accuracy Thermocouple Temperature according to any one of claim 1-3, it is characterised in that the first body
(21) second ends periphery are provided with first annular mounting seat (27), and first annular mounting seat (27) is provided with multiple first pilot holes,
The diameter parallel of the axis of the first pilot hole and the first body (21), the end periphery of the second body (22) second is provided with the second annular peace
Dress seat (28), the second annular mounting seat (28) is provided with multiple second pilot holes, the axis of the second pilot hole and the second body
(22) diameter parallel, the first pilot hole is corresponded with the second pilot hole and is connected by bolt (4) respectively.
7. the adjustable-length High Accuracy Thermocouple Temperature according to any one of claim 1-3, it is characterised in that the first body
(21), the second body (22), the 3rd body (23) are with different length.
8. the adjustable-length High Accuracy Thermocouple Temperature according to any one of claim 1-3, it is characterised in that the first body
(21), the second body (22), cylindrical the 3rd body (23) and the first body (21), the second body (22), the 3rd body
(23) with identical internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145688.8A CN106595889A (en) | 2016-12-13 | 2016-12-13 | Length-adjustable high-precision thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145688.8A CN106595889A (en) | 2016-12-13 | 2016-12-13 | Length-adjustable high-precision thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106595889A true CN106595889A (en) | 2017-04-26 |
Family
ID=58802019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611145688.8A Pending CN106595889A (en) | 2016-12-13 | 2016-12-13 | Length-adjustable high-precision thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106595889A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179133A (en) * | 2017-07-10 | 2017-09-19 | 安徽徽宁电器仪表集团有限公司 | A kind of extension type thermocouple |
| CN109612595A (en) * | 2017-09-29 | 2019-04-12 | 富满仪器与控制设备有限公司 | Thermocouple set with expansion pipe |
-
2016
- 2016-12-13 CN CN201611145688.8A patent/CN106595889A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179133A (en) * | 2017-07-10 | 2017-09-19 | 安徽徽宁电器仪表集团有限公司 | A kind of extension type thermocouple |
| CN109612595A (en) * | 2017-09-29 | 2019-04-12 | 富满仪器与控制设备有限公司 | Thermocouple set with expansion pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170426 |
|
| WD01 | Invention patent application deemed withdrawn after publication |