CN221006602U - Magnetic adsorption type wireless temperature sensor - Google Patents
Magnetic adsorption type wireless temperature sensor Download PDFInfo
- Publication number
- CN221006602U CN221006602U CN202322872497.3U CN202322872497U CN221006602U CN 221006602 U CN221006602 U CN 221006602U CN 202322872497 U CN202322872497 U CN 202322872497U CN 221006602 U CN221006602 U CN 221006602U
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- shell
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- thermal resistor
- circuit board
- platinum
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 132
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 66
- 239000004020 conductor Substances 0.000 claims abstract description 16
- 239000003566 sealing material Substances 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 11
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000005476 soldering Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 9
- 238000003466 welding Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000004590 silicone sealant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides a magnetic adsorption type wireless temperature sensor, and belongs to the technical field of temperature sensors; the technical problems to be solved are as follows: the hardware structure of the magnetic adsorption wireless temperature sensor is improved; the device comprises a wire, a platinum thermal resistor shell, a magnet, a sealing material, a heat conducting material, a circuit board and a circuit board shell, wherein one end of the wire is connected with the circuit board, and the other end of the wire is connected with the platinum thermal resistor; the platinum thermal resistor and the lead are led into the opening at the top end of the platinum thermal resistor shell and are welded and connected with the magnet shell, the magnet is arranged in the magnet shell, the heat conducting material is filled in the bottom of the platinum thermal resistor shell, the platinum thermal resistor is arranged in the heat conducting material, the sealing material is filled at the top in the platinum thermal resistor shell, and the lead is arranged in the sealing material; the circuit board is fixed in the circuit board shell, and the circuit board shell is welded on the upper surface of the magnet shell; the circuit board is integrated with an A/D converter and a wireless communication module; the utility model is applied to a wireless temperature sensor.
Description
Technical Field
The utility model provides a magnetic adsorption type wireless temperature sensor, and belongs to the technical field of temperature sensors.
Background
At present, various large-sized electromechanical devices working in a wet and dusty environment mainly adopt a metal material structure, and key components such as bearings and the like of the large-sized electromechanical devices need to be measured in real time for temperature change so as to monitor the running state of the large-sized electromechanical devices. Since most large electromechanical device designers do not design temperature sensor mounting holes at their critical components, existing temperature sensor mounting methods are primarily gluing, welding or drilling. However, when the temperature sensor is installed in a viscose mode, the viscose is invalid and the temperature sensor falls off due to strong vibration and high temperature of large electromechanical equipment, so that long-term reliable measurement is difficult to ensure; when the temperature sensor is installed by adopting a welding or drilling mode, the structure of the equipment can be damaged, the equipment is easy to fail and damage, and the safety and the production efficiency of the equipment are seriously affected.
Wired sensors are subject to various conditions and environmental factors in practical applications, such as lack of flexibility due to their physical connection, time consuming and complex installation wiring, and high cost. The deployment of wired sensors is more difficult, especially in industrial sites where the environment is harsh. For the above reasons, the development of wireless sensors has become a trend.
In order to ensure reliable operation and simple installation of the temperature sensor on the large-sized electromechanical device, the magnetic attraction type wireless temperature sensor is proposed and widely applied, such as the magnetic attraction type temperature sensor proposed by the patent application number 201580077839.8 and a manufacturing method thereof, or the magnetic attraction type wireless temperature sensor proposed by the patent application number 201721848235.1, or the magnetic attraction type temperature sensor with a magnet proposed by the patent application number 201820775994.8, and the proposed sensors belong to the magnetic attraction type temperature sensor, so that the punching-free installation can be realized, but the magnetic attraction type temperature sensor has the problem of poor sensitivity or poor stability, so that a new magnetic attraction type wireless temperature sensor is necessary.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art, and solves the technical problems that: an improvement of a hardware structure of a magnetic adsorption type wireless temperature sensor is provided.
In order to solve the technical problems, the utility model adopts the following technical scheme: the magnetic adsorption type wireless temperature sensor comprises a wire, a platinum thermal resistor shell, a magnet, a sealing material, a heat conducting material, a circuit board and a circuit board shell, wherein one end of the wire is connected with the circuit board, the other end of the wire is connected with the platinum thermal resistor, and the platinum thermal resistor is contained at the inner bottom of the platinum thermal resistor shell;
The top end opening of the platinum thermal resistor shell is introduced with a platinum thermal resistor and a wire, and is welded and connected with the magnet shell, the inner bottom of the platinum thermal resistor shell is filled with a heat conducting material, the platinum thermal resistor is contained in the heat conducting material, the inner top of the platinum thermal resistor shell is filled with a waterproof, mildew-proof and high-temperature-resistant sealing material, and the wire is contained in the sealing material;
The magnet shell is provided with a small head end and a large head end, a hole slightly larger than the platinum thermal resistor shell is formed above the small head end, and the large head end is a hollow cuboid without a bottom;
The magnet is provided with a through hole, the magnet is arranged in the magnet shell, the platinum thermal resistor shell is arranged in the small end of the magnet shell, the bottom of the platinum thermal resistor shell is aligned with the bottom of the big end of the magnet shell after passing through the through hole on the magnet, and the outer wall of the big end of the magnet shell is extruded through mechanical processing, so that the magnet shell firmly clamps the magnet;
The circuit board is fixed in the circuit board shell, and the circuit board shell is welded on the upper surface of the magnet shell;
the circuit board is integrated with an A/D converter and a wireless communication module.
The lead is connected with the platinum thermal resistor through soldering tin, and the circuit board is connected with the lead through soldering tin.
The small end of the magnet shell is welded with the platinum thermal resistor shell.
The lead adopts a signal wire which is corrosion-resistant and provided with a screen net.
The platinum thermal resistor adopts three-wire Pt100.
The platinum thermal resistor shell, the magnet shell and the circuit board shell are made of high-strength antirust materials convenient to machine.
The magnet is made of a permanent magnetic material with high strength and corrosion resistance, the suction force can meet the required suction force of the tested equipment, and the allowable working temperature range is larger than that of the tested equipment.
The wireless communication module adopts a WiFi communication module.
Compared with the prior art, the utility model has the following beneficial effects: the magnetic adsorption type wireless temperature sensor provided by the utility model has the advantages that the large electromechanical equipment structure is not damaged, so that equipment failure and damage are avoided, the installation is convenient and firm, complicated wiring work is avoided, the reading and recording of data are more convenient through the signal reading of a receiving end of wireless transmission, the safety is good, the cost is low, the platinum thermal resistor with good vibration resistance is adopted, the vibration resistance of the sensor is good, the waterproof, dustproof and high-temperature resistant performance of the sensor can be ensured by adopting the heat conducting material and the sealing material, the precision and the sensitivity are high, and the long-term reliable measurement can be ensured.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a magnetic adsorption temperature sensor according to the present utility model;
FIG. 2 is a schematic view of the structure of the platinum resistor housing of the present utility model;
FIG. 3 is a schematic view of a magnet housing according to the present utility model;
FIG. 4 is a schematic view of a magnet according to the present utility model;
In the figure: 1 is a lead, 2 is a platinum thermal resistor, 3 is a platinum thermal resistor shell, 4 is a magnet shell, 5 is a magnet, 6 is a sealing material, 7 is a heat conducting material, 8 is a circuit board and 9 is a circuit board shell.
Detailed Description
As shown in fig. 1 to 4, the present utility model provides a magnetic adsorption type wireless temperature sensor, which comprises a wire 1, a platinum thermal resistor 2, a platinum thermal resistor housing 3, a magnet housing 4, a magnet 5, a sealing material 6, a heat conducting material 7, a circuit board 8 and a circuit board housing 9. Wherein the lead 1 is a signal wire, one end of the lead is connected with the circuit board 8, the other end of the lead is connected with the platinum thermal resistor 2, and the lead is accommodated at the inner top of the platinum thermal resistor shell 3; the lead 1 is connected with the platinum resistor 2 through soldering tin and is arranged in the platinum resistor housing 3, so that the platinum resistor 2 is guaranteed to be close to the bottom of the platinum resistor housing 3, the lead 1 is guaranteed to penetrate into the platinum resistor housing 3 for a sufficient length, and the lead 1 is firmly clamped by extruding the upper part of the platinum resistor housing 3 through mechanical processing. The circuit board 8 is connected with the lead 1 through soldering tin, is arranged in the circuit board shell 9, and connects the circuit board shell 9 with the upper plane of the magnet shell 4 through a welding mode.
The platinum thermal resistor shell 3 is cylindrical, and the platinum thermal resistor 2 and the lead 1 are introduced into the top opening and are welded with the magnet shell 4; the magnet shell 4 is provided with a small head end and a large head end, the small head end is cylindrical, the edge is flat, the aperture above the small head end is slightly larger than that of the platinum thermal resistor shell 3, the large head end is a hollow cuboid without a bottom, and the volume of the large head end is slightly larger than that of the magnet 5; the magnet 5 can be adsorbed on the metal surface of the large-scale electromechanical device through magnetic force, is cuboid, is provided with a through hole on the left side, and the magnet 5 is arranged in the magnet shell 4. The platinum thermal resistor housing 3 is arranged in the small end of the magnet housing 4, and after passing through the through hole on the magnet 5, the bottom of the platinum thermal resistor housing 3 is ensured to be aligned with the bottom of the large end of the magnet housing 4, the platinum thermal resistor housing 3 is connected with the small end of the magnet housing 4 in a welding mode, and the welded connection is polished to improve the attractiveness. The magnet 5 is arranged in the big end of the magnet housing 4, and the outer wall of the big end of the magnet housing 4 is extruded through machining, so that the magnet housing 4 can firmly clamp the magnet 5, and the bottom of the magnet 5 is ensured to be aligned with the bottom of the big end of the magnet housing 4 in a flat way.
An A/D converter and a wireless communication module are welded on the circuit board 8, one side of the circuit board 8 is connected with the lead 1 in an interface manner and is accommodated in the circuit board shell 9, the circuit board shell 9 is cuboid, the top of the circuit board shell is provided with a threaded hole, the circuit board 8 can be fixed through a screw, and the circuit board is horizontally arranged on the right side of the small end of the magnet shell 4 and is connected in a welding manner.
A heat conducting material 7 is filled between the platinum thermal resistor 2 and the platinum thermal resistor housing 3, and a sealing material 6 is filled between the lead 1 and the platinum thermal resistor housing 3.
Preferably, the lead 1 is a corrosion-resistant signal wire with a screen mesh to improve the anti-interference capability of the sensor. The special place should adopt the wire rod that satisfies the condition, like colliery explosion-proof place should select the polyethylene insulation braided shielding polyvinyl chloride sheath communication flexible cable for the colliery.
Preferably, the platinum thermal resistor 2 can be anti-vibration, good in stability and high in accuracy, such as three-wire Pt100.
Preferably, the platinum thermal resistor housing 3, the magnet housing 4 and the circuit board housing 9 are made of a high-strength rust-proof material, such as 304 stainless steel, which facilitates machining and improves the strength and service life of the sensor.
Preferably, the inner bottom of the platinum-heat resistor housing 3 may be filled with a heat conductive material 7, such as quartz sand, and the platinum-heat resistor 2 is accommodated in the heat conductive material 7. The heat conducting material 7 facilitates rapid heat transfer and improves the accuracy and sensitivity of the sensor.
Preferably, the inner top of the platinum thermal resistor housing 3 may be filled with a waterproof, mildew-proof and high temperature resistant sealing material 6, such as a silicone sealant, and the wires 1 are accommodated in the sealing material 6.
Preferably, the magnet 5 is made of a strong, corrosion-resistant permanent magnetic material, such as a neodymium iron boron material, whose attractive force is of a magnitude that meets the required attractive force of the device under test and whose allowable operating temperature range is greater than that of the device under test.
Preferably, the wireless communication module on the circuit board 8 may be a WiFi communication module with high transmission efficiency and long effective distance.
The specific structure of the utility model needs to be described that the connection relation between the component modules adopted by the utility model is definite and realizable, and besides the specific description in the embodiment, the specific connection relation can bring about corresponding technical effects, and on the premise of not depending on execution of corresponding software programs, the technical problems of the utility model are solved, the types of the components, the modules and the specific components, the connection modes of the components and the expected technical effects brought by the technical characteristics are clear, complete and realizable, and the conventional use method and the expected technical effects brought by the technical characteristics are all disclosed in patents, journal papers, technical manuals, technical dictionaries and textbooks which can be acquired by a person in the field before the application date, or the prior art such as conventional technology, common knowledge in the field, and the like, so that the provided technical scheme is clear, complete and the corresponding entity products can be reproduced or obtained according to the technical means.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (8)
1. A magnetic adsorption type wireless temperature sensor, which is characterized in that: the platinum-based electric wire comprises a wire, a platinum resistor shell, a magnet, a sealing material, a heat conducting material, a circuit board and a circuit board shell, wherein one end of the wire is connected with the circuit board, the other end of the wire is connected with the platinum resistor, and the platinum resistor is contained at the inner bottom of the platinum resistor shell;
The top end opening of the platinum thermal resistor shell is introduced with a platinum thermal resistor and a wire, and is welded and connected with the magnet shell, the inner bottom of the platinum thermal resistor shell is filled with a heat conducting material, the platinum thermal resistor is contained in the heat conducting material, the inner top of the platinum thermal resistor shell is filled with a waterproof, mildew-proof and high-temperature-resistant sealing material, and the wire is contained in the sealing material;
The magnet shell is provided with a small head end and a large head end, a hole slightly larger than the platinum thermal resistor shell is formed above the small head end, and the large head end is a hollow cuboid without a bottom;
The magnet is provided with a through hole, the magnet is arranged in the magnet shell, the platinum thermal resistor shell is arranged in the small end of the magnet shell, the bottom of the platinum thermal resistor shell is aligned with the bottom of the big end of the magnet shell after passing through the through hole on the magnet, and the outer wall of the big end of the magnet shell is extruded through mechanical processing, so that the magnet shell firmly clamps the magnet;
The circuit board is fixed in the circuit board shell, and the circuit board shell is welded on the upper surface of the magnet shell;
the circuit board is integrated with an A/D converter and a wireless communication module.
2. A magnetic attraction type wireless temperature sensor according to claim 1, wherein: the lead is connected with the platinum thermal resistor through soldering tin, and the circuit board is connected with the lead through soldering tin.
3. A magnetic attraction type wireless temperature sensor according to claim 1, wherein: the small end of the magnet shell is welded with the platinum thermal resistor shell.
4. A magnetic attraction type wireless temperature sensor according to claim 1, wherein: the lead adopts a signal wire which is corrosion-resistant and provided with a screen net.
5. A magnetic attraction type wireless temperature sensor according to claim 1, wherein: the platinum thermal resistor adopts three-wire Pt100.
6. A magnetic attraction type wireless temperature sensor according to claim 1, wherein: the platinum thermal resistor shell, the magnet shell and the circuit board shell are made of high-strength antirust materials convenient to machine.
7. A magnetic attraction type wireless temperature sensor according to claim 1, wherein: the magnet is made of a permanent magnetic material with high strength and corrosion resistance, the suction force can meet the required suction force of the tested equipment, and the allowable working temperature range is larger than that of the tested equipment.
8. A magnetic attraction type wireless temperature sensor according to claim 1, wherein: the wireless communication module adopts a WiFi communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322872497.3U CN221006602U (en) | 2023-10-25 | 2023-10-25 | Magnetic adsorption type wireless temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322872497.3U CN221006602U (en) | 2023-10-25 | 2023-10-25 | Magnetic adsorption type wireless temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221006602U true CN221006602U (en) | 2024-05-24 |
Family
ID=91092932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322872497.3U Active CN221006602U (en) | 2023-10-25 | 2023-10-25 | Magnetic adsorption type wireless temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221006602U (en) |
-
2023
- 2023-10-25 CN CN202322872497.3U patent/CN221006602U/en active Active
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| GR01 | Patent grant |