CN210625868U - Stable form electric heat is even - Google Patents
Stable form electric heat is even Download PDFInfo
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- CN210625868U CN210625868U CN201921743680.0U CN201921743680U CN210625868U CN 210625868 U CN210625868 U CN 210625868U CN 201921743680 U CN201921743680 U CN 201921743680U CN 210625868 U CN210625868 U CN 210625868U
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- thermocouple
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Abstract
The utility model discloses a stable electric thermocouple, which comprises an electric thermocouple wire, a protective ceramic tube and an adjusting device, one end of the protective ceramic tube is connected with a signal adapter, the other end is connected with a protective sleeve, two through holes are arranged in the protective ceramic tube, one end of each of the two thermocouple wires is connected with the signal conversion head, the other end of each of the two thermocouple wires passes through the through hole in the protective ceramic tube to reach the inner cavity of the protective sleeve, a temperature sensing element is arranged in the inner cavity of the protective sleeve and is connected with a thermocouple wire in the inner cavity of the protective sleeve, the adjusting device is provided with an adjusting through hole, an open slot, a fastening screw hole and a fastening screw, the protective ceramic tube is arranged in the adjusting through hole, just adjusting device can reciprocate relatively on the protective ceramic pipe, adjust the size of open slot in the fastening screw in fastening screw hole, the beneficial effects of the utility model are that: simple to operate just can adjust the distance between thermocouple and the testee, and is anticorrosive wear-resisting, and stability can be high.
Description
Technical Field
The utility model belongs to the technical field of the electric heat couple, especially, relate to a stable form electric heat couple.
Background
In temperature measurement, the thermocouple has wide application, has the advantages of simple structure, convenient manufacture, wide measurement range, high precision, small inertia, convenient remote transmission of output signals and the like, directly measures the temperature, converts the temperature signal into a thermal electromotive force signal, and converts the thermal electromotive force signal into the temperature of a measured medium through an electric instrument (a secondary instrument). The shapes of various electric thermocouples are different greatly according to requirements, but the basic structures of the various electric thermocouples are approximately the same, and the electric thermocouples are generally composed of main parts such as a hot electrode, an insulating sleeve protection tube, a junction box and the like and are generally matched with a display instrument, a recording instrument and an electronic regulator for use.
The most current electric heat idol have the unstable shortcoming of test performance, on the one hand because the electric heat idol can't finely tune the distance of electric heat idol and testee after fixing on the testee, and the distance between electric heat idol and the testee directly influences the accuracy nature of measuring the temperature, thereby make the electric heat idol measurement performance unstable, on the other hand, in order to facilitate the measurement often exposes the front end portion of electric heat idol outside, can cause wearing and tearing to the electric heat idol in the long-term measurement use, especially when using under some chemical industry environment, can cause the corruption to the front end portion of electric heat idol, thereby can make the electric heat idol measurement performance unstable.
SUMMERY OF THE UTILITY MODEL
Not enough to the aforesaid, the utility model provides a stable form electric heat couple, simple to operate just can adjust the distance between electric heat couple and the measured object, and is anticorrosive wear-resisting, and stability can be high.
The utility model discloses a realize through following technical scheme: the utility model provides a stable form electric heat couple, includes electric heat couple silk, protective ceramic pipe, adjusting device, protective ceramic pipe one end is connected with the signal adapter, and the other end is connected with the protective sheath, the intraductal two through-holes that are provided with of protective ceramic, two electric heat couple silk one end are connected with the signal adapter, and the other end passes the intraductal through-hole of protective ceramic and reachs protective sheath inner chamber, install temperature sensing element in the protective sheath inner chamber, temperature sensing element is connected with protective sheath inner chamber's electric heat couple silk, adjusting device is last to be equipped with adjusting hole, open slot, fastening screw hole and fastening screw, protective ceramic pipe sets up in adjusting hole, just adjusting device can reciprocate relatively on protective ceramic pipe, adjust the size of open slot in the fastening screw hole.
As an optimized technical solution of the present invention, the adjusting device is further provided with a fixing screw hole.
As an optimized technical proposal of the utility model, the buffer glue is filled between the protective ceramic tube and the thermocouple wire.
As an optimal technical scheme of the utility model, the bottom of protective sheath is planar, the protective sheath adopts anticorrosive metal material to make.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the distance between the thermocouple and the measured object can be adjusted by utilizing the adjusting device, so that the measuring accuracy and stability are improved;
2. the protective sleeve is arranged outside the temperature sensing element at the end part of the thermocouple, so that the temperature measuring effect of the temperature sensing element can be enhanced, the temperature sensing element can be protected, the thermocouple is corrosion-resistant and wear-resistant, the stability of thermocouple measurement is enhanced, and the service life of the thermocouple is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of the adjusting device of the present invention;
fig. 3 is a sectional view of the protective sheath of the present invention.
List of reference numerals: 1. an electric thermocouple wire; 2. a protective ceramic tube; 3. an adjustment device; 4. a signal adapter; 5. a protective sleeve; 6. a temperature sensing element; 7. adjusting the through hole; 8. an open slot; 9. fastening a screw hole; 10. and fixing the screw hole.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 and fig. 2, a stable thermocouple comprises a thermocouple wire 1, a protective ceramic tube 2, and an adjusting device 3, one end of the protective ceramic tube 2 is connected with a signal adapter 4, the other end is connected with a protective sleeve 5, two through holes are arranged in the protective ceramic tube 2, one end of each of the two electrothermal couple wires 1 is connected with the signal conversion head 4, the other end of each of the two electrothermal couple wires passes through the through hole in the protective ceramic tube 2 to reach the inner cavity of the protective sleeve 5, a temperature sensing element 6 is arranged in the inner cavity of the protective sleeve 5, the temperature sensing element 6 is connected with the thermocouple wire 1 in the inner cavity of the protective sleeve 5, the adjusting device 3 is provided with an adjusting through hole 7, an open slot 8, a fastening screw hole 9 and a fastening screw, the protective ceramic tube 2 is arranged in the adjusting through hole 7, and the adjusting device 3 can move up and down relatively on the protective ceramic tube 2, and the fastening screw is screwed into the fastening screw hole 9 to adjust the size of the open slot 8.
As an embodiment of the present invention, the adjusting device 3 is further provided with a fixing screw hole 10, and the adjusting device 3 can be fixedly mounted on the surface of the object to be measured through the fixing screw hole 10.
As an embodiment of the present invention, the buffer glue is filled between the protection ceramic tube 2 and the thermocouple wire 1, and the buffer glue mainly prevents the thermocouple wire 1 from colliding with the protection ceramic tube 2.
As an embodiment of the utility model, the bottom of protective sheath 5 is planar, protective sheath 5 adopts anticorrosive metal material to make, with by laminating more when the contact of temperature measurement object, prevents contact failure's phenomenon, has also improved electric heat couple's temperature measurement stability and anticorrosive greatly.
The utility model relates to a stable form electric heat couple, when using, fix adjusting device 3 at the measured object surface through fixed screw hole 10 earlier, protection ceramic pipe 2 passes and adjusts inside through-hole 7 inserts the measured object, through the depth of measurement that reciprocates protection ceramic pipe 2 and adjust electric heat couple, adjust and accomplish the back, it reduces open slot 8's size to revolve into fastening screw in fastening screw hole 9, and then press from both sides tight protection ceramic pipe 2 through adjusting device 3, the position of fixed electric heat couple, install protective sheath 5 outside temperature-sensing element 6, not only can strengthen temperature sensing element 6's temperature measurement effect, can also play the guard action to temperature-sensing element 6, it is anticorrosive wear-resisting, reinforcing electric heat couple measuring stability, extension electric heat couple life.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A stable form thermocouple which characterized in that: including electric thermocouple silk, protective ceramic pipe, adjusting device, protective ceramic pipe one end is connected with the signal adapter, and the other end is connected with the protective sheath, the intraductal two through-holes that are provided with of protective ceramic, two electric thermocouple silk one end are connected with the signal conversion head, and the other end passes the intraductal through-hole of protective ceramic and reachs the protective sheath inner chamber, install temperature sensing element in the protective sheath inner chamber, temperature sensing element is connected with the electric thermocouple silk of protective sheath inner chamber, adjusting device is last to be equipped with adjusting hole, open slot, fastening screw hole and fastening screw, protective ceramic pipe sets up in adjusting hole, just adjusting device can reciprocate relatively on protective ceramic pipe, adjust the size of open slot in the fastening screw hole.
2. A stabilized thermocouple according to claim 1, wherein: the adjusting device is also provided with a fixed screw hole.
3. A stabilized thermocouple according to claim 1, wherein: and buffer glue is filled between the protective ceramic tube and the thermocouple wire.
4. A stabilized thermocouple according to claim 1, wherein: the bottom of protective sheath is planar, the protective sheath adopts anticorrosive metal material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921743680.0U CN210625868U (en) | 2019-10-17 | 2019-10-17 | Stable form electric heat is even |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921743680.0U CN210625868U (en) | 2019-10-17 | 2019-10-17 | Stable form electric heat is even |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210625868U true CN210625868U (en) | 2020-05-26 |
Family
ID=70760049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921743680.0U Active CN210625868U (en) | 2019-10-17 | 2019-10-17 | Stable form electric heat is even |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210625868U (en) |
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2019
- 2019-10-17 CN CN201921743680.0U patent/CN210625868U/en active Active
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