CN211527654U - Armored thermal resistor temperature sensor - Google Patents
Armored thermal resistor temperature sensor Download PDFInfo
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- CN211527654U CN211527654U CN202020409869.2U CN202020409869U CN211527654U CN 211527654 U CN211527654 U CN 211527654U CN 202020409869 U CN202020409869 U CN 202020409869U CN 211527654 U CN211527654 U CN 211527654U
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- protective tube
- thermal resistance
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- temperature sensor
- thermal resistor
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Abstract
The utility model discloses an armor thermal resistance temperature sensor, including protective case, protective case includes first protective tube and second protective tube, the encapsulation is provided with the second protective tube in the first protective tube, first protective tube inboard with be provided with a plurality of damping spring between the second protective tube outside, second protective tube inner chamber is provided with ceramic package type component, the inside thermal resistance that is provided with of ceramic package type component, just be in the second protective tube the outside packing of ceramic package type component is provided with the magnesia powder, first protective tube outside is provided with the mounting disc, the right side of mounting disc just is in the thermal resistance lead wire that is provided with the extension is connected to protective case's exit end. The utility model has the advantages of reasonable design, utilize the damping spring of first protective tube and the inside design installation of second protective tube, the vibration that can effectively slow down external environment and produce is to the influence of the inside magnesium oxide powder of filling of second protective tube, and the practicality is strong.
Description
Technical Field
The utility model relates to a temperature measurement technical field specifically is an armor thermal resistance temperature sensor.
Background
The sheathed thermal resistor is a temperature sensor which measures temperature by utilizing the characteristic that when the temperature of a substance changes, the resistance of the substance also changes along with the change. When the resistance value changes, the working instrument displays the temperature value corresponding to the resistance value. Compared with an assembly type platinum resistor, the resistor is smaller in diameter and easy to bend, and is suitable for being installed in special occasions such as narrow pipelines and the requirements of quick response and miniaturization. The device can automatically detect the surfaces of gas, liquid medium and solid within the temperature range of-200 to 600 ℃, can be directly connected with a secondary instrument for use by a copper wire, and can provide accurate input values for a display instrument, a recorder, a regulator, a scanner, a data recorder and a computer due to good electrical output characteristics.
Current armor thermal resistance temperature sensor is measuring industrial environment temperature usually, can receive external environment's influence like the external mechanical vibration that produces, can lead to the insulating magnesium oxide powder of protection tube intussuseption to produce the uneven distribution phenomenon, and then begin to extrude the thermal resistance, lead to the life of thermal resistance to reduce, in addition, external environment temperature's change can lead to the stress of thermal resistance too big, and then the security that uses the thermal resistance drops.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an armor thermal resistance temperature sensor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an armor thermal resistance temperature sensor, includes protective case, protective case includes first protective tube and second protection tube, the encapsulation is provided with the second protection tube in the first protective tube, first protective tube inboard with be provided with a plurality of damping spring between the second protection tube outside, second protection tube inner chamber is provided with ceramic encapsulation type component, the inside thermal resistance that is provided with of ceramic encapsulation type component, just be in the second protection tube ceramic encapsulation type component outside is filled and is provided with the magnesium oxide powder, first protective tube outside is provided with the mounting disc, the right side of mounting disc just is in the thermal resistance lead wire that is provided with the extension is connected to protective case's exit end, the thermal resistance with thermal resistance lead wire electric connection, thermal resistance lead wire outside cup joints and is provided with the bellows.
Preferably, the thermal resistor is a platinum wire, and the thermal resistor is designed to be a spiral structure.
Preferably, the first protection pipe is made of high-temperature-resistant and pressure-resistant ceramic by using high-temperature-resistant and pressure-resistant materials.
Preferably, the second protection pipe is made of stainless steel.
Preferably, the mounting disc is welded to the protective sleeve, and bolt holes are formed in the mounting disc.
Preferably, damping spring equidistance distribute set up in first protective tube with the clearance of second protective tube, just damping spring's the fixed welding in upper end is in the inside wall of first protective tube with damping spring's the fixed welding in the outside wall of second protective tube in lower extreme.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model designs the thermal resistor into a spiral structure inside the second protection tube, which can effectively reduce the stress of the thermal resistor caused by the change of the environmental temperature, prolong the service life of the thermal resistor, improve the safety and have certain economic benefit and practical value;
2. the utility model discloses a plurality of damping spring of simultaneous design at first protective tube and the inside design installation of second protective tube, the mechanical vibration that can effectively slow down external environment and produce has protected the thermal resistance to the influence of the inside magnesium oxide powder of filling of second protective tube, has prolonged the life of thermal resistance, has improved the security that the thermal resistance used, and overall structure is simple, reasonable in design, and the practicality is strong, has advantages such as excellent in use effect.
Drawings
FIG. 1 is a schematic view of the overall structure of an armored thermal resistance temperature sensor according to the present invention;
FIG. 2 is a schematic diagram of an appearance structure of an armored thermal resistance temperature sensor according to the present invention;
fig. 3 is a schematic view of a sectional structure of a protective sleeve of an armored thermal resistance temperature sensor of the present invention.
In the figure: 1. protecting the sleeve; 2. a first protective tube; 3. a second protection tube; 4. a damping spring; 5. a ceramic package type element; 6. a thermal resistor; 7. magnesium oxide powder; 8. mounting a disc; 9. a thermal resistance lead; 10. a bellows; 11. bolt holes.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an armoured thermal resistance temperature sensor, including protective case 1, protective case 1 includes first protective case 2 and second protection tube 3, encapsulation installation second protection tube 3 in the first protective case 2, fixed welding installation a plurality of damping spring 4 between the 2 inboard and the 3 outsides of second protection tube of first protective case, 3 inner chamber installation pottery package type components of second protection tube 5, 5 internally mounted thermal resistance 6 of pottery package type components, it has magnesium oxide powder 7 just to fill in second protection tube 3 outside pottery package type components 5, 2 outsides of first protective case are through welding fixed mounting flange 8, the thermal resistance lead wire 9 of installation extension is just connected on the exit end of protective case 1 on the right side of mounting flange 8, thermal resistance 6 and thermal resistance lead wire 9 electric connection, installation bellows 10 is cup jointed to thermal resistance lead wire 9 outside.
The thermal resistor 6 is a platinum wire, and the thermal resistor 6 is designed into a spiral structure, so that the excessive stress generated by the thermal resistor 6 due to the change of the environmental temperature is effectively reduced, and the service life of the thermal resistor 6 is prolonged; the first protection sleeve 2 is made of high-temperature-resistant and compression-resistant materials and compression-resistant ceramics, so that the first protection sleeve 1 is suitable for various severe environments, and the service life is prolonged; the second protection tube 3 is made of stainless steel, which is beneficial to prolonging the service life of the second protection tube 3; the mounting disc 8 is welded on the protective sleeve 1, and a bolt hole 11 is formed in the mounting disc 8, so that the armored thermal resistor 6 temperature sensor can be fixedly mounted on equipment; damping spring 4 equidistance distributes in the clearance of first protective tube 2 and second protective tube 3, and damping spring 4's upper end fixed weld is in the lateral wall of second protective tube 3 at the inside wall of first protective tube 2 and damping spring 4's lower extreme fixed weld, can slow down the influence of the external mechanical vibration that produces to the inside magnesium oxide powder 7 of filling of second protective tube 3 effectively like this.
The working principle is as follows: the utility model discloses a when using, at first through the bolt hole 11 on the mounting disc 8 with armor thermal resistance 6 fixed mounting on equipment, begin measuring temperature after that. The utility model discloses a protective case 1 divide into first protective case 2 and second protection tube 3, first protective case 2 is made by resistance to compression pottery, can be suitable for various adverse circumstances among the industrial environment, effectively prolong thermal resistance 6's life, second protection tube 3 uses the stainless steel to make, the magnesium oxide powder 7 of inside packing can play certain insulating action simultaneously, however, the vibration that external environment produced can be to the extrusion influence of magnesium oxide powder 7 to thermal resistance 6 in the second protection tube 3, lead to thermal resistance 6's life-span to reduce, through the damping spring 4 structure of design in protective case 1, can slow down the vibration influence that external environment produced effectively, guaranteed that the inside magnesium oxide powder 7 of second protection tube 3 can not take place the inhomogeneous distribution phenomenon, thermal resistance 6's security obtains certain guarantee. In addition, thermal resistance 6 designs into helical structure and can effectively reduce thermal resistance 6 because the stress variation that ambient temperature changes and produce, and then has prolonged thermal resistance 6's life, and the device overall design is reasonable, has advantages such as easy operation, convenient to use, result of use are good.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an armoured thermal resistance temperature sensor, includes protective case (1), its characterized in that: the protective sleeve (1) comprises a first protective tube (2) and a second protective tube (3), the second protective tube (3) is arranged in the first protective tube (2) in a sealing mode, a plurality of damping springs (4) are arranged between the inner side of the first protective tube (2) and the outer side of the second protective tube (3), a ceramic packaging type element (5) is arranged in the inner cavity of the second protective tube (3), a thermal resistor (6) is arranged inside the ceramic packaging type element (5), magnesium oxide powder (7) is filled in the second protective tube (3) and outside the ceramic packaging type element (5), an installation disc (8) is arranged outside the first protective tube (2), the right side of the installation disc (8) is connected with an extended thermal resistor lead (9) at the outlet end of the protective sleeve (1), and the thermal resistor (6) is electrically connected with the thermal resistor lead (9), the corrugated pipe (10) is sleeved outside the thermal resistance lead (9).
2. The armored thermal resistance temperature sensor of claim 1, wherein: the thermal resistor (6) is a platinum wire, and the thermal resistor (6) is designed into a spiral structure.
3. The armored thermal resistance temperature sensor of claim 1, wherein: the first protection pipe (2) is made of high-temperature-resistant and pressure-resistant materials and pressure-resistant ceramics.
4. The armored thermal resistance temperature sensor of claim 1, wherein: the second protective tube (3) is made of stainless steel.
5. The armored thermal resistance temperature sensor of claim 1, wherein: the mounting disc (8) is welded on the protective sleeve (1), and a bolt hole (11) is formed in the mounting disc (8).
6. The armored thermal resistance temperature sensor of claim 1, wherein: damping spring (4) equidistance distribute set up in first protective tube (2) with the clearance of second protective tube (3), just the fixed welding in the inside wall of first protective tube (2) in the upper end of damping spring (4) with the fixed welding in the lateral wall of second protective tube (3) in the lower extreme of damping spring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020409869.2U CN211527654U (en) | 2020-03-27 | 2020-03-27 | Armored thermal resistor temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020409869.2U CN211527654U (en) | 2020-03-27 | 2020-03-27 | Armored thermal resistor temperature sensor |
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| Publication Number | Publication Date |
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| CN211527654U true CN211527654U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020409869.2U Active CN211527654U (en) | 2020-03-27 | 2020-03-27 | Armored thermal resistor temperature sensor |
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| CN (1) | CN211527654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916274A (en) * | 2021-10-14 | 2022-01-11 | 深圳市深思泰电子科技有限公司 | Waterproof high temperature resistant sensor |
-
2020
- 2020-03-27 CN CN202020409869.2U patent/CN211527654U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113916274A (en) * | 2021-10-14 | 2022-01-11 | 深圳市深思泰电子科技有限公司 | Waterproof high temperature resistant sensor |
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