CN217654640U - Accurate temperature measurement structure - Google Patents
Accurate temperature measurement structure Download PDFInfo
- Publication number
- CN217654640U CN217654640U CN202221824407.2U CN202221824407U CN217654640U CN 217654640 U CN217654640 U CN 217654640U CN 202221824407 U CN202221824407 U CN 202221824407U CN 217654640 U CN217654640 U CN 217654640U
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- Prior art keywords
- temperature
- contact tube
- temperature measurement
- metal body
- silver
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- 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
- G01K1/16—Special arrangements for conducting heat from the object to the sensitive element
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- 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
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- 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
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a precise temperature measurement structure, which comprises a measured metal body, a temperature measurement probe and a contact tube; the hole that is used for the temperature measurement is seted up on the metal body to be surveyed, and the contact tube closely laminates and installs the downthehole portion that is used for the temperature measurement to being surveyed on the metal body, and the clearance control that is used for the downthehole lateral wall of temperature measurement on the contact tube outside and the metal body to be surveyed is below 0.05mm, and the temperature probe is installed in the inside closely laminating of contact tube, and the clearance control between contact tube inside wall and the temperature probe outside is below 0.2mm, and the material of contact tube is silver. This accurate temperature measurement structure adopts soft and stable high-purity silver as the medium to carry out the temperature measurement, and the downthehole lateral wall that is used for the temperature measurement of measured metal body leads temperature to the temperature probe excircle through the final accuracy of contact tube of silver material, and the accurate transmission temperature of contact tube of silver material, and the structure is stable for a long time, uses the environmental protection.
Description
Technical Field
The utility model relates to an industrial temperature measurement technical field, concretely relates to accurate temperature measurement structure for measuring the temperature of the metal body (especially various steel material).
Background
The metal heating and temperature measuring and controlling are widely applied in various industries, the temperature is required to be measured when the temperature is required to be controlled, temperature measuring probes are used for measuring the temperature, most of the temperature measuring probes are cylindrical (PT 100 is particularly), the temperature measuring probes are directly contacted with the metal to be measured traditionally, the most of the metal applied in the manufacturing industry is steel metal, the temperature of a metal body (particularly most of various heat-treated steel with various hardness) is required to be measured, most of the metal body (particularly most of the steel) is punched, and the temperature measuring probes are directly placed in holes in the metal (particularly most of the steel) to be measured in the traditional temperature measuring process.
Because the hole is deformed a little after integral processing and various heat treatments, the clearance between the hole and the temperature measuring probe can not be very small, the temperature measuring probe can not be closely contacted or close to closely contacted with the metal of the hole wall (otherwise, the temperature measuring probe can not be inserted), and temperature measuring errors are caused, so a special grease (dry or not dry) is commonly used for making up, the making up is limited, and the making up can be weakened along with time because the grease can volatilize less during use.
There are also many ways in which it is either inconvenient to break away from the perforation or the temperature probe cannot be removed and replaced or is more fragile and less permanently secured.
The utility model completely abandons the original structure and designs a temperature measuring structure which utilizes soft and stable high-purity silver as a medium.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the above-mentioned background art, the utility model provides an accurate temperature measurement structure, it adopts soft and stable high-purity silver to carry out the temperature measurement as the medium, is used for the final accurate temperature conduction of the contact tube to the temperature probe excircle of temperature measurement probe through the silver material of the downthehole lateral wall of temperature measurement on the surveyed metal body, and the contact tube accurate transmission temperature of silver material, and the structure is stable for a long time, uses the environmental protection.
For understanding and realizing the above purpose, the utility model adopts the following technical scheme:
the utility model provides a precise temperature measurement structure, which comprises a metal body to be measured, a temperature measurement probe and a contact tube (a hollow tube shape or a hollow tube shape);
the temperature measuring device is characterized in that a hole for measuring temperature is formed in the measured metal body, the contact tube is tightly attached to the inner portion of the hole for measuring temperature, the gap between the outer side of the contact tube and the inner side wall of the hole for measuring temperature in the measured metal body is controlled to be less than 0.05mm, the temperature measuring probe is tightly attached to the inner portion of the contact tube, the gap between the inner side wall of the contact tube and the outer side of the temperature measuring probe is controlled to be less than 0.2mm, and the contact tube is made of silver.
In the technical scheme, the gap between the contact tube made of silver and the hole for measuring the temperature on the metal body to be measured can be controlled to be less than 0.05mm, and the contact tube and the hole can be completely attached without a gap.
The gap between the silver contact tube and the internal temperature probe is controlled below 0.2 mm.
The heat conductivity coefficient (K) of silver is 429 which is superior to gold (317), copper (401) which is only 1% of the price of gold, and silver is much softer than copper and has stable performance, so that the contact tube is made of silver, and the higher the purity of silver is, the better the using effect is.
The contact tube made of silver material is used as a medium, and a hole type temperature measuring (probe) structure with good permanent contact is formed due to the softness, stability and easiness in processing, so that the contact is tight, the temperature measurement is accurate, and the contact tube is stable for a long time.
The further improvement is that the contact pipe is hollow and has a structure with one open end, and the contact pipe can also be hollow and has a structure with two open ends.
The final shape of the contact tube made of silver is tubular, and when the contact tube is installed and used, the contact tube with a hollow inner part can be directly installed in a hole for measuring temperature on a metal body to be measured. The solid or residual tubular structure can be used, the contact tube is tamped to contact with the hole for measuring temperature on the metal body to be measured, and then the high-precision hole is formed, so that the high-precision hole is easy to manufacture due to the characteristics of silver.
The improved structure is characterized in that the temperature measuring probe is cylindrical in shape. Because cylindric temperature probe takes place the clearance easily when installing to being surveyed the metal body, consequently, the structure in this application can be fine be applied to cylindric temperature probe's installation.
The further improvement is that the material of the metal body to be measured is steel, alloy steel or stainless steel.
Through actual research and testing, the temperature control of metal (quenching alloy steel) of the vulcanizer of my department, the temperature control of metal (quenching alloy steel) of the mooney viscometer, and the temperature control of metal (stainless steel) of the rapid plastometer are all implemented by the structure in the application, and all the results prove that the good practical effect, namely high precision and stable temperature measurement, so that the temperature control of computer software is correspondingly stable, the capability of actually controlling the temperature can really and easily reach the 0.01-degree region, and the high-requirement temperature control of the structure in other fields can be used.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses abandon original single structure pattern that punches before completely, it adopts soft and stable high-purity silver as the medium to carry out the temperature measurement, the contact tube outside of silver material closely laminates the inside wall that is used for the hole of temperature measurement on the measured metallic member, the inside wall of the contact tube of silver material closely laminates in the temperature probe outside, the measured metallic member is used for the final accurate temperature conduction to the temperature probe excircle of the contact tube of silver material of the downthehole lateral wall of temperature measurement through, the accurate transmission temperature of contact tube of silver material, whole temperature measurement is more accurate, the accuse temperature is stable and reach the purpose of permanent accurate contact temperature measurement accuse temperature, make many places that relate to the metal accuse temperature all can the wide application, its meaning is very extensive.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of a middle precision temperature measurement structure of the present invention;
wherein, the specific reference numbers are: the device comprises a metal body to be measured 1, a hole 2 for measuring temperature, a contact tube 3 and a temperature measuring probe 4.
Detailed Description
The embodiment of the utility model discloses a precise temperature measurement structure, which comprises a measured metal body 1, a temperature measurement probe 4 and a contact tube 3;
set up the hole 2 that is used for the temperature measurement on the metal body 1 to be surveyed, contact tube 3 closely laminates and installs to the hole 2 insides that are used for the temperature measurement, the clearance control between the hole 2 inside walls that are used for the temperature measurement on contact tube 3 outside and the metal body 1 to be surveyed is below 0.05mm, contact tube 3 is inside closely to laminate and installs temperature probe 4, the clearance control between contact tube 3 inside walls and the temperature probe 4 outside is below 0.2mm, contact tube's material is silver.
In the technical scheme, the gap between the contact tube 3 made of silver and the hole 2 for measuring the temperature on the metal body 1 to be measured can be controlled to be less than 0.05mm, and the contact tube and the hole can be completely attached without a gap.
The gap between the silver contact tube 3 and the internal temperature probe 4 is controlled to be less than 0.2 mm.
The heat conductivity coefficient (K) of silver is 429 which is better than that of gold (317), copper (401) is about 1% of the price of gold, silver is much softer than copper and is stable in performance, so that the contact tube 3 is made of silver, and the higher the purity of silver is, the better the using effect is.
The contact tube 3 made of silver is used as a medium, and is soft, stable and easy to process, so that a hole-type temperature measuring (probe) structure with good permanent contact is formed, the contact is tight, the temperature measurement is accurate, and the stability is long-term.
Specifically, the contact tube 3 has a hollow interior and an open end, and the contact tube 3 may have a hollow interior and an open end.
The final shape of the contact tube 3 made of silver is tubular, and when the contact tube 3 is installed and used, the contact tube 3 with a hollow inner part can be directly installed in the hole 2 for measuring temperature on the metal body 1 to be measured. The solid or residual tubular can also be adopted, and the high-precision hole is formed after the tamping contact tube 3 is firstly contacted with the hole 2 for measuring the temperature on the metal body 1 to be measured, so that the high-precision hole is very easy to manufacture due to the characteristic of silver.
Specifically, the temperature measuring probe 4 has a cylindrical shape. Because cylindric temperature probe 4 takes place the clearance easily when installing on being surveyed metal body 1, consequently, the installation of cylindric temperature probe 4 can be fine in the application of structure in this application.
Specifically, the material of the metal object 1 to be measured is steel, alloy steel, or stainless steel.
The thicker the wall thickness of the contact tube 3, the higher the cost thereof, and the thinner the wall thickness of the contact tube 3, the more difficult it is to process the contact tube 3, and in view of the above, it is preferable to control the wall thickness of the contact tube 3 to 0.2 to 2mm.
Through actual research and testing, the temperature control of metal (quenching alloy steel) of the vulcanizer of my department, the temperature control of metal (quenching alloy steel) of the mooney viscometer, and the temperature control of metal (stainless steel) of the rapid plastometer are all implemented by the structure in the application, and all the results prove that the good practical effect, namely high precision and stable temperature measurement, so that the temperature control of computer software is correspondingly stable, the capability of actually controlling the temperature can really and easily reach the 0.01-degree region, and the high-requirement temperature control of the structure in other fields can be used.
When the precise temperature measuring structure is used for controlling the temperature of a vulcanizing instrument, after the precise temperature measuring structure is used for half a year, the temperature of materials in the instrument is constantly controlled at 190 ℃, and the temperature after the temperature is tested by a temperature measuring probe at 189.90-190.10 ℃.
When the existing structure is adopted, namely, a hole for measuring temperature is directly formed in a metal body to be measured, a temperature measuring probe is directly installed in the hole for measuring temperature, the temperature of materials in the instrument is constantly controlled at 190 ℃, the temperature after the temperature measuring probe starts to test is 189.90-190.10 ℃, the temperature rise of the temperature measuring test is gradually changed to 190.20-190.40 ℃ along with the time extension in the first month, the temperature rise of the temperature measuring test is gradually changed to 190.60-190.80 ℃ in the third month, the temperature rise of the temperature measuring test is gradually changed to 191.00-191.20 ℃ in the sixth month, and finally the temperature measuring probe needs to be maintained because the difference between the measured temperature and the actual temperature is overlarge.
To sum up, the utility model discloses abandon original single structure pattern that punches before completely, it adopts soft and stable high-purity silver as the medium to carry out the temperature measurement, the contact tube 3 outsides of silver material closely laminate and are used for the inside wall in hole 2 of temperature measurement on the surveyed metallic body 1, the contact tube 3's inside wall of the silver material of closely laminating in the temperature probe 4 outsides, the contact tube 3 final accurate temperature conduction to the temperature probe 4 excircle of contact tube 3 that the contact tube 3 inside walls that are used for the temperature measurement of surveyed metallic body 1 is through silver material, the accurate transmission temperature of contact tube of silver material, whole temperature measurement is more accurate, the accuse temperature is stable and reach the purpose of permanent accurate temperature measurement temperature control of contact, make many local wide applications that relate to metal accuse temperature, its meaning is very extensive.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.
Claims (1)
1. A precise temperature measurement structure is characterized by comprising a metal body to be measured, a temperature measurement probe and a contact tube;
the temperature measuring device is characterized in that a hole for measuring temperature is formed in the measured metal body, the contact tube is tightly attached to the inner portion of the hole for measuring temperature, the gap between the outer side of the contact tube and the inner side wall of the hole for measuring temperature on the measured metal body is controlled to be less than 0.05mm, the temperature measuring probe is tightly attached to the inner portion of the contact tube, the gap between the inner side wall of the contact tube and the outer side of the temperature measuring probe is controlled to be less than 0.2mm, and the contact tube is made of silver.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221824407.2U CN217654640U (en) | 2022-07-15 | 2022-07-15 | Accurate temperature measurement structure |
| DE202022106711.2U DE202022106711U1 (en) | 2022-07-15 | 2022-11-30 | Highly accurate temperature measurement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221824407.2U CN217654640U (en) | 2022-07-15 | 2022-07-15 | Accurate temperature measurement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217654640U true CN217654640U (en) | 2022-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221824407.2U Active CN217654640U (en) | 2022-07-15 | 2022-07-15 | Accurate temperature measurement structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN217654640U (en) |
| DE (1) | DE202022106711U1 (en) |
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2022
- 2022-07-15 CN CN202221824407.2U patent/CN217654640U/en active Active
- 2022-11-30 DE DE202022106711.2U patent/DE202022106711U1/en active Active
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| Publication number | Publication date |
|---|---|
| DE202022106711U1 (en) | 2022-12-21 |
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