CN214583698U - Exhaust thermocouple - Google Patents
Exhaust thermocouple Download PDFInfo
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- CN214583698U CN214583698U CN202120819065.4U CN202120819065U CN214583698U CN 214583698 U CN214583698 U CN 214583698U CN 202120819065 U CN202120819065 U CN 202120819065U CN 214583698 U CN214583698 U CN 214583698U
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Abstract
The utility model provides an exhaust thermocouple, one end of the thermocouple cable is connected with an armored thermocouple, the outer sleeve of the junction of the thermocouple cable and the armored thermocouple is provided with a corrugated pipe, the outer sleeve of the corrugated pipe is provided with a cooling joint, the end part of the cooling joint facing the armored thermocouple is fixedly connected with the armored thermocouple, the other end of the armored thermocouple is sleeved with a wear-resistant joint, a metal sleeve and a sealing joint, the wear-resistant joint and the sealing joint are respectively and fixedly connected with the two ends of the metal sleeve, the other end of the sealing joint is fixedly connected with the armored thermocouple, a metal ball which is welded by a thermocouple wire and is eccentrically arranged is arranged in the cavity of the other end of the armored thermocouple, the response time of the thermocouple can be shortened, the response speed can be improved, the response time and the intensity can be ensured, in addition, the thermocouple can be well protected by the arrangement of the wear-resistant joint, the metal sleeve and the sealing joint, the requirement of severe construction environment is met, and the service life of the steel plate is prolonged.
Description
Technical Field
The utility model relates to a temperature measurement equipment technical field especially relates to an exhaust thermocouple.
Background
A combustion engine, also known as a burner, is defined as a device that converts a substance into heat energy by a chemical reaction, i.e., combustion, in which air and fuel are mixed in a proper ratio by a premixing device to be sufficiently combusted.
Usually, a thermocouple is arranged at an exhaust port of the combustion engine and used for measuring the exhaust temperature of the combustion engine, the load of the combustion engine and the exhaust gas temperature of the combustion engine are mutually related so as to monitor whether the combustion engine normally operates or not, and meanwhile, the dispersion degree of the exhaust gas temperature of the combustion engine is also monitored, if the dispersion degree of the exhaust gas temperature is too large, serious damage can be caused to the interior of the combustion engine, and the normal operation and the service life of the combustion engine are influenced.
However, many construction sites have severe working conditions, and the armored galvanic couple element needs to bear impact and friction force caused by high-frequency vibration, so that the thermocouple is easily damaged, the measurement result is influenced, and the service life is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that it is abominable to current a lot of job site operating modes, and the armor galvanic couple component need bear impact and frictional force that the vibration of high frequency brought, very easily makes the thermocouple take place to damage, influences measuring result, reduces life's problem, provides an exhaust thermocouple.
The utility model provides an above-mentioned technical problem adopted technical scheme as follows:
an exhaust thermocouple comprises a thermocouple cable, one end of the thermocouple cable is connected with an armored thermocouple, a corrugated pipe is sleeved outside the joint of the thermocouple cable and the armored thermocouple, a cooling joint is sleeved outside the corrugated pipe, the end, facing the armored thermocouple, of the cooling joint is fixedly connected with the armored thermocouple, a wear-resistant joint, a metal sleeve and a sealing joint are sleeved at the other end of the armored thermocouple, the wear-resistant joint and the sealing joint are fixedly connected with the two ends of the metal sleeve respectively, the other end of the sealing joint is fixedly connected with the armored thermocouple, and a metal ball which is welded by thermocouple wires and is eccentrically arranged is arranged in a cavity at the other end of the armored thermocouple.
Further, the end of the cooling joint facing the armored thermocouple is fixedly connected with the armored thermocouple through cold pressing.
Further, the diameter of the armored thermocouple is 2.5 mm.
Further, the wear-resistant joint and the sealing joint are respectively fixedly connected with the two ends of the metal sleeve through argon arc welding.
Furthermore, the wear-resistant joint is made of wear-resistant, high-temperature-resistant and corrosion-resistant alloy materials.
Furthermore, the armored thermocouple is made of INCONEL alloy.
Further, the galvanic couple cable is an extended galvanic couple cable.
According to the utility model discloses above-mentioned embodiment's exhaust thermocouple, its thermocouple cable's one end is connected with the armor thermocouple, the thermocouple cable with the junction overcoat of armor thermocouple is equipped with the bellows, the bellows overcoat is equipped with the cooling joint, the cooling joint is towards the tip and the armor thermocouple fixed connection of armor thermocouple, wear-resisting joint, metal sleeve and sealing joint have been cup jointed to the other end of armor thermocouple, wear-resisting joint and sealing joint respectively with metal sleeve's both ends fixed connection, sealing joint's the other end and armor thermocouple fixed connection, be equipped with the metal ball that is welded by the thermocouple wire and is eccentric form setting in the other end cavity of armor thermocouple, can shorten thermocouple response time and improve response speed, response time and intensity have been guaranteed, every temperature rise curve is unanimous simultaneously, accomplish accurate measurement, in addition, through wear-resisting joint, the metal ball that the wire set up, can reduce thermocouple response time and improve response speed, simultaneously, in addition, the temperature rise curve is unanimous, Due to the arrangement of the metal sleeve and the sealing joint, the thermocouple can be well protected, the requirement of severe construction environment is met, and the service life of the thermocouple is prolonged.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an exhaust thermocouple according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of an armored thermocouple of an exhaust thermocouple according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a metal pipe sleeve of an exhaust thermocouple according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a wear-resistant joint of an exhaust thermocouple according to an embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of a sealed joint of an exhaust thermocouple according to an embodiment of the present invention.
Fig. 6 is a schematic cross-sectional view of a cooling joint of an exhaust thermocouple according to an embodiment of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 6 together, an embodiment of the present invention provides an exhaust thermocouple, including a thermocouple cable 1, one end of the thermocouple cable 1 is connected with an armored thermocouple 2, a corrugated tube 3 is sleeved outside a joint of the thermocouple cable 1 and the armored thermocouple 2, a cooling joint 4 is sleeved outside the corrugated tube 3, the cooling joint 4 faces an end of the armored thermocouple 2 and is fixedly connected with the armored thermocouple 2, the other end of the armored thermocouple 2 is a measuring end, a wear-resistant joint 5, a metal sleeve 6 and a sealing joint 7 are sleeved on the other end of the armored thermocouple 2, the wear-resistant joint 5 and the sealing joint 7 are respectively fixedly connected with two ends of the metal sleeve 6, the metal sleeve 6 protects the armored thermocouple 2 in a full size, the wear-resistant joint 5 adopts a wear-resistant and high-temperature-resistant material, and the wear-resistant material is a wear-resistant material, and the high-temperature-resistant material is a wear-resistant material, A corrosion resistant alloy material; the armored thermocouple 2 is made of an INCONEL alloy, particularly INCONEL 600, has high nickel-chromium content, can be used for a long time at high temperature, has good corrosion resistance and high temperature resistance, can better protect a thermode, enables the service life of an exhaust thermocouple to reach more than two years, is fixedly connected with the armored thermocouple 2 by the other end of the sealing joint 7, is internally provided with a metal ball 9 which is welded by a thermocouple wire 8 and is eccentrically arranged in the other end cavity of the armored thermocouple 2, is filled with magnesium oxide powder after being dotted to block a T-shaped plug 10, can shorten the response time of the thermocouple and improve the response speed, ensures the response time and strength, and simultaneously ensures that each temperature rise curve is consistent to realize accurate measurement, and the distance from the spherical center of the metal ball to the inner wall of the cavity of the armored thermocouple 2 is 0.4 mm.
In the present embodiment, the end of the cooling connector 4 facing the sheathed thermocouple 2 is fixedly connected to the sheathed thermocouple 2 by cold pressing.
In the embodiment, the diameter of the armored thermocouple 2 is 2.5mm, so that the response time can be ensured, and the reliability can be improved.
In this embodiment, the other end of the sealing joint 7 is fixedly connected with the armored thermocouple 2 through cold pressing.
In this embodiment, the wear-resistant joint 5 is made of an alloy material with wear resistance, high temperature resistance and corrosion resistance.
In this embodiment, the wear-resistant joint 5 and the sealing joint 7 are respectively fixedly connected with two ends of the metal sleeve 6 through argon arc welding.
Further, the galvanic cable 1 is an elongated type galvanic cable, which can ensure that hardly any output signal is affected by the elongated type galvanic cable according to the gradient theory.
As shown in fig. 1, 3, 4, 5 and 6, the metal sleeve 6 is provided with a first through slot 61 along a length direction thereof for the armored thermocouple 2 to pass through, the metal sleeve 6 protects the armored thermocouple 2 in a full size, one end of the metal sleeve 6 opposite to the wear-resistant joint 5 is provided with a first assembling cavity 62, one end of the wear-resistant joint 5 opposite to the metal sleeve 6 is provided with a first inserting end 51 adapted to the assembling cavity 62, the first inserting end 51 is inserted into the first assembling cavity 62, the wear-resistant joint 5 is provided with a second through slot 52 corresponding to the first through slot 61 for the armored thermocouple 2 to pass through, one end of the sealing joint 7 opposite to the metal sleeve 6 is provided with a second assembling cavity 71, one end of the metal sleeve 6 opposite to the sealing joint 7 is provided with a second inserting end 63 adapted to the second assembling cavity 71, the second inserting end 63 is inserted into the second assembling cavity 71, the sealing joint 7 is provided with a third through groove 72 which is arranged corresponding to the first through groove 61 and used for the armored thermocouple 2 to penetrate through, one end of the cooling joint 4 opposite to the corrugated pipe 3 is provided with a third assembling cavity 42 matched with the corrugated pipe 3, the corrugated pipe 3 is assembled in the third assembling cavity 42, and the cooling joint 4 is provided with a fourth through groove 41 which is arranged corresponding to the third through groove 72 and used for the armored thermocouple 2 to penetrate through.
According to the utility model discloses above-mentioned embodiment's exhaust thermocouple, its thermocouple cable's one end is connected with the armor thermocouple, the thermocouple cable with the junction overcoat of armor thermocouple is equipped with the bellows, the bellows overcoat is equipped with the cooling joint, the cooling joint is towards the tip and the armor thermocouple fixed connection of armor thermocouple, wear-resisting joint, metal sleeve and sealing joint have been cup jointed to the other end of armor thermocouple, wear-resisting joint and sealing joint respectively with metal sleeve's both ends fixed connection, sealing joint's the other end and armor thermocouple fixed connection, be equipped with the metal ball that is welded by the thermocouple wire and is eccentric form setting in the other end cavity of armor thermocouple, can shorten thermocouple response time and improve response speed, response time and intensity have been guaranteed, every temperature rise curve is unanimous simultaneously, accomplish accurate measurement, in addition, through wear-resisting joint, the metal ball that the wire set up, can reduce thermocouple response time and improve response speed, simultaneously, in addition, the temperature rise curve is unanimous, Due to the arrangement of the metal sleeve and the sealing joint, the thermocouple can be well protected, the requirement of severe construction environment is met, and the service life of the thermocouple is prolonged.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The exhaust thermocouple is characterized by comprising a thermocouple cable, wherein one end of the thermocouple cable is connected with an armored thermocouple, a corrugated pipe is sleeved outside the joint of the thermocouple cable and the armored thermocouple, a cooling joint is sleeved outside the corrugated pipe, the end part, facing the armored thermocouple, of the cooling joint is fixedly connected with the armored thermocouple, a wear-resistant joint, a metal sleeve and a sealing joint are sleeved at the other end of the armored thermocouple, the wear-resistant joint and the sealing joint are respectively and fixedly connected with two ends of the metal sleeve, the other end of the sealing joint is fixedly connected with the armored thermocouple, and a metal ball which is welded by thermocouple wires and is eccentrically arranged is arranged in a cavity at the other end of the armored thermocouple.
2. The exhaust thermocouple of claim 1, wherein the end of the cooling joint facing the armored thermocouple is fixedly connected to the armored thermocouple by cold pressing.
3. The exhaust thermocouple of claim 1, wherein the armored thermocouple has a diameter of 2.5 mm.
4. The exhaust thermocouple of claim 1, wherein the other end of the sealed joint is fixedly connected to the armored thermocouple by cold pressing.
5. The exhaust thermocouple of claim 1, wherein said wear resistant joint and said sealing joint are fixedly attached to both ends of said metal sleeve by argon arc welding, respectively.
6. The exhaust thermocouple of claim 1, wherein the wear resistant joint is made of a wear resistant, high temperature resistant, corrosion resistant alloy material.
7. The exhaust thermocouple of claim 1, wherein the armored thermocouple is formed of INCONEL alloy.
8. The exhaust thermocouple of claim 1, wherein the thermocouple cable is an elongated thermocouple cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120819065.4U CN214583698U (en) | 2021-04-20 | 2021-04-20 | Exhaust thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120819065.4U CN214583698U (en) | 2021-04-20 | 2021-04-20 | Exhaust thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214583698U true CN214583698U (en) | 2021-11-02 |
Family
ID=78360846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120819065.4U Active CN214583698U (en) | 2021-04-20 | 2021-04-20 | Exhaust thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214583698U (en) |
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2021
- 2021-04-20 CN CN202120819065.4U patent/CN214583698U/en active Active
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