CN211696714U - High-precision platinum-rhodium thermocouple - Google Patents
High-precision platinum-rhodium thermocouple Download PDFInfo
- Publication number
- CN211696714U CN211696714U CN202020673864.0U CN202020673864U CN211696714U CN 211696714 U CN211696714 U CN 211696714U CN 202020673864 U CN202020673864 U CN 202020673864U CN 211696714 U CN211696714 U CN 211696714U
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- CN
- China
- Prior art keywords
- thermocouple
- arc
- movable plate
- fixed mounting
- installation box
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- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a high accuracy platinum rhodium thermocouple, including the thermocouple, the below fixed mounting of thermocouple has the thermocouple core, the outside cover of thermocouple core is equipped with the ring, the upper end surface of thermocouple core is provided with the install bin, the top of install bin is provided with through-hole A, the bottom of install bin is provided with through-hole B, the inside of install bin is provided with movable groove, the both sides fixed mounting of activity tank bottom upper surface has the spring, the other end fixed mounting of spring has the fly leaf, one side fixed mounting of fly leaf has the connecting rod, the bottom fixed mounting of connecting rod has circular arc casing, the both sides of install bin below are provided with the fluting, the riser is installed to the grooved inboard. The utility model discloses a thermocouple's action of gravity conveniently realizes the thermocouple and is convenient for maintain and change the thermocouple at the dismantlement and the installation of device.
Description
Technical Field
The utility model relates to a thermocouple technical field specifically is a high accuracy platinum rhodium thermocouple.
Background
With the rapid development of social economy, the platinum-rhodium thermocouple is also called as a high-temperature noble metal thermocouple, and the platinum-rhodium is divided into single platinum-rhodium (platinum-rhodium 10-platinum-rhodium) and double platinum-rhodium (platinum-rhodium 30-platinum-rhodium 6), which are used as temperature measuring sensors, usually matched with temperature transmitters, regulators, display instruments and the like to form a process control system for directly measuring or controlling the temperatures of fluid, steam, gaseous media, solid surfaces and the like within the range of 0-1700 ℃ in various production processes. Generally, the thermocouple has high loss efficiency and short service life in a high-temperature and high-pressure use environment, so that the thermocouple needs to be replaced and overhauled regularly.
However, the existing high-precision platinum-rhodium thermocouple is fixed by adopting an inner triangular clamping sheet or welded with the furnace bottom through a thermocouple tube during installation, so that the replacement and installation process is inconvenient, and the working efficiency and the equipment utilization rate are seriously influenced; therefore, the existing requirement is not met, and a high-precision platinum-rhodium thermocouple is provided for the requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high accuracy platinum rhodium thermocouple to the current high accuracy platinum rhodium thermocouple that proposes in solving above-mentioned background art adopts interior triangle card fixed or through thermocouple tube and stove bottom welding when the installation, is very inconvenient in changing the installation, seriously influences work efficiency and equipment and uses the rate scheduling problem.
In order to achieve the above object, the utility model provides a following technical scheme: a high-precision platinum-rhodium thermocouple comprises a thermocouple body, a thermocouple core body is fixedly arranged below the thermocouple, the outer side of the thermocouple core body is sleeved with a circular ring, the outer surface of the upper end of the thermocouple core body is provided with an installation box, the top of the installation box is provided with a through hole A, the bottom of the installation box is provided with a through hole B, the inside of the installation box is provided with a movable groove, springs are fixedly arranged on two sides of the upper surface of the bottom end of the movable groove, a movable plate is fixedly arranged at the other end of each spring, one side of the movable plate is fixedly provided with a connecting rod, the bottom end of the connecting rod is fixedly provided with an arc shell, two sides of the lower part of the installation box are provided with grooves, the inner sides of the grooves are provided with vertical plates, the front end surfaces of the vertical plates are fixedly provided with arc blocks, the bottom of arc piece is installed the gyro wheel, the rear end face fixed mounting of riser has the joint piece.
Preferably, the outer surface of the arc block is a quarter arc surface, and the front surface of the arc shell is a quarter arc surface.
Preferably, compression springs are fixedly mounted on two sides of the arc block, and the arc block is connected with the inner surface of the movable groove through the compression springs.
Preferably, the connecting rod is connected with the movable plate through a cylindrical pin.
Preferably, sliding grooves are formed in two sides of the movable plate, the movable plate is connected with the movable grooves through short shafts, and the short shafts move in the sliding grooves.
Preferably, a sealing ring is arranged at the joint of the top end of the thermocouple core body and the installation box.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model is provided with a ring, a movable plate, a spring, a circular arc shell and a circular arc block, when the device is required to be installed, the device is inserted at the interface of the external equipment through an installation box, the ring is installed at the outer side of a thermocouple core body firstly, the thermocouple is placed in the installation box, the gravity of the thermocouple drives the thermocouple to move downwards, the ring moves downwards to contact with the movable plate, the movable plate is extruded downwards, the spring is compressed, a connecting rod moves downwards, the circular arc shell moves downwards, the circular arc block is pushed outwards after the circular arc surface of the circular arc shell contacts the circular arc surface of the circular arc block, so that the clamping block is mutually clamped with the external equipment, the friction force of the contact area of the installation box and the external equipment is enhanced, the installation can be completed, when the device is required to be disassembled, the thermocouple only needs to be taken out, the action of the gravity is avoided, the spring is restored to the original state, the movable plate, the utility model discloses simple structure, convenient operation conveniently realizes the thermocouple and is convenient for maintain and change the thermocouple at the dismantlement and the installation of device.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a schematic view of a partial structure of the movable plate of the present invention;
fig. 3 is a schematic view of a local structure of the movable plate of the present invention under the action of gravity.
In the figure: 1. a thermocouple; 2. installing a box; 3. a movable groove; 4. a circular ring; 5. a movable plate; 6. a thermocouple core; 7. a spring; 8. a cylindrical pin; 9. a connecting rod; 10. a circular arc housing; 11. grooving; 12. a clamping block; 13. a vertical plate; 14. an arc block; 15. a roller; 16. a through hole A; 17. and a through hole B.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to fig. 3, the present invention provides an embodiment: the utility model provides a high accuracy platinum rhodium thermocouple, including thermocouple 1, thermocouple 1's below fixed mounting has thermocouple core 6, thermocouple core 6's outside cover is equipped with ring 4, thermocouple core 6's upper end surface is provided with install bin 2, install bin 2's top is provided with through-hole A16, install bin 2's bottom is provided with through-hole B17, install bin 2's inside is provided with movable groove 3, the both sides fixed mounting of 3 bottom upper surfaces in movable groove has spring 7, spring 7's other end fixed mounting has fly leaf 5, one side fixed mounting of fly leaf 5 has connecting rod 9, the bottom fixed mounting of connecting rod 9 has circular arc casing 10, the both sides of install bin 2 below are provided with fluting 11, riser 13 is installed to the inboard of fluting 11, the preceding terminal surface fixed mounting of riser 13 has circular arc piece 14, gyro wheel 15 is installed to circular arc piece 14's bottom, the rear end face fixed mounting.
Further, the outer surface of the arc block 14 is a quarter arc surface, and the front surface of the arc housing 10 is a quarter arc surface, so that the arc block 14 can be pushed out after the arc surface of the arc housing 10 contacts the arc surface of the arc block 14.
Further, compression springs are fixedly mounted on two sides of the arc block 14, and the arc block 14 is connected with the inner surface of the movable groove 3 through the compression springs, so that when the thermocouple core body 6 leaves the movable groove 3, the arc block 14 returns to the original position under the action of the compression springs.
Further, the link 9 is connected with the movable plate 5 by the cylindrical pin 8.
Further, the two sides of the movable plate 5 are provided with sliding grooves, the movable plate 5 is connected with the movable groove 3 through a short shaft, and the short shaft moves in the sliding grooves, so that the movable state of the movable plate 5 is more stable.
Further, a sealing ring is arranged at the joint of the top end of the thermocouple core body 6 and the mounting box 2, so that the sealing performance of the device is ensured.
The working principle is as follows: when the device is used, the device is firstly inserted into an interface of external equipment through the installation box 2, the ring 4 is installed on the outer side of the thermocouple core body 6, the thermocouple 1 is placed into the installation box 2, the thermocouple 1 is driven by the gravity of the thermocouple 1 to move downwards, the ring 4 moves downwards to contact with the movable plate 5, the movable plate 5 is extruded downwards, the spring 7 is compressed, the connecting rod 9 moves downwards, the arc shell 10 moves downwards, the arc surface of the arc shell 10 contacts with the arc surface of the arc block 14, the arc block 14 is pushed outwards, the clamping block 12 moves outwards and is clamped with external equipment, the friction force of the contact area of the installation box 2 and the external equipment is enhanced, the installation is completed, when the disassembly is needed, the thermocouple 1 is only required to be taken out, the spring 7 is restored to the original state after the action of gravity is avoided, the movable plate 5 is driven to move upwards, and the movable plate 5 is restored to the original position, the arc block 14 is restored to the original position by the compression spring.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A high-precision platinum-rhodium thermocouple comprises a thermocouple (1) and is characterized in that: the thermocouple comprises a thermocouple body (1), a thermocouple core body (6) is fixedly mounted below the thermocouple body (1), a circular ring (4) is sleeved on the outer side of the thermocouple core body (6), an installation box (2) is arranged on the outer surface of the upper end of the thermocouple core body (6), a through hole A (16) is formed in the top of the installation box (2), a through hole B (17) is formed in the bottom of the installation box (2), a movable groove (3) is formed in the installation box (2), springs (7) are fixedly mounted on two sides of the upper surface of the bottom end of the movable groove (3), a movable plate (5) is fixedly mounted at the other end of each spring (7), a connecting rod (9) is fixedly mounted on one side of each movable plate (5), an arc shell (10) is fixedly mounted at the bottom end of each connecting rod (9), grooves (11) are formed in two sides below the installation box (, the preceding terminal surface fixed mounting of riser (13) has arc piece (14), gyro wheel (15) are installed to the bottom of arc piece (14), the rear end face fixed mounting of riser (13) has joint piece (12).
2. A high precision platinum rhodium thermocouple according to claim 1, characterized in that: the outer surface of the arc block (14) is a quarter arc surface, and the front surface of the arc shell (10) is a quarter arc surface.
3. A high precision platinum rhodium thermocouple according to claim 1, characterized in that: compression springs are fixedly mounted on two sides of the arc block (14), and the arc block (14) is connected with the inner surface of the movable groove (3) through the compression springs.
4. A high precision platinum rhodium thermocouple according to claim 1, characterized in that: the connecting rod (9) is connected with the movable plate (5) through a cylindrical pin (8).
5. A high precision platinum rhodium thermocouple according to claim 1, characterized in that: the movable plate is characterized in that sliding grooves are formed in two sides of the movable plate (5), the movable plate (5) is connected with the movable grooves (3) through short shafts, and the short shafts move in the sliding grooves.
6. A high precision platinum rhodium thermocouple according to claim 1, characterized in that: and a sealing ring is arranged at the joint of the top end of the thermocouple core body (6) and the installation box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020673864.0U CN211696714U (en) | 2020-04-28 | 2020-04-28 | High-precision platinum-rhodium thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020673864.0U CN211696714U (en) | 2020-04-28 | 2020-04-28 | High-precision platinum-rhodium thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211696714U true CN211696714U (en) | 2020-10-16 |
Family
ID=72783357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020673864.0U Expired - Fee Related CN211696714U (en) | 2020-04-28 | 2020-04-28 | High-precision platinum-rhodium thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211696714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532673A (en) * | 2021-07-20 | 2021-10-22 | 鑫国集团有限公司 | High-precision platinum-rhodium thermocouple |
-
2020
- 2020-04-28 CN CN202020673864.0U patent/CN211696714U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532673A (en) * | 2021-07-20 | 2021-10-22 | 鑫国集团有限公司 | High-precision platinum-rhodium thermocouple |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |