CN220708564U - Bearing temperature sensor - Google Patents
Bearing temperature sensor Download PDFInfo
- Publication number
- CN220708564U CN220708564U CN202321854170.7U CN202321854170U CN220708564U CN 220708564 U CN220708564 U CN 220708564U CN 202321854170 U CN202321854170 U CN 202321854170U CN 220708564 U CN220708564 U CN 220708564U
- Authority
- CN
- China
- Prior art keywords
- sensor
- bearing
- housing
- signal output
- probe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000523 sample Substances 0.000 claims abstract description 35
- -1 methyl silica gel Chemical compound 0.000 claims abstract description 11
- 239000000741 silica gel Substances 0.000 claims abstract description 11
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 4
- 239000010935 stainless steel Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model provides a bearing temperature sensor which comprises a sensor signal output end and a bearing and is characterized in that a sensor mounting hole is formed in the bearing, a sensor probe is mounted at the lower part of the sensor signal output end, the sensor probe is made of stainless steel, and a heat sensitive coating of 1-2 mm is coated on the outer part of the sensor probe. The sensor signal output end, the sensor probe, the sensor mounting hole and the methyl silica gel layer are arranged, so that when the sensor is not directly contacted with the measured moving part, the accuracy of temperature and the timeliness of response are improved, and standard output wiring is convenient.
Description
Technical Field
The utility model belongs to the technical field of sensors, and particularly relates to a bearing temperature sensor.
Background
The temperature sensor is a tool for measuring signals applied to various products in engineering and industrial fields, can sense the measured information, can convert the sensed information into electric signals or other information output in a required form according to a certain rule so as to meet the requirements of information transmission, processing and the like, and is in the form of resistance, piezoresistance, thermal resistance and the like.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a bearing temperature sensor, which improves the accuracy of temperature and the timeliness of response when the sensor is not directly contacted with a measured moving part.
The utility model is realized by the following technical scheme:
the utility model provides a bearing temperature sensor, including sensor signal output part and bearing, its characterized in that, sensor mounting hole has been seted up to the inside of bearing, sensor probe is installed to the lower part of sensor signal output part, sensor probe adopts stainless steel, sensor probe's outside scribbles 1mm to 2mm heat sensitive coating, sensor probe internally mounted has heat sensitive element, heat sensitive element's lower extreme and sensor probe's inside contact setting, it has the methyl silica gel layer to fill between sensor probe and the sensor mounting hole.
Preferably, the sensor housing structure is mounted externally of the sensor signal output.
Preferably, the sensor housing structure include the shell, the vacuum cavity has been seted up to the inside integration of shell, the upper portion threaded connection of shell has the screw cap, the upper portion opening part threaded connection of screw cap has the vacuum check valve for sensor signal output part and sensor probe can measure the temperature more accurately, the outside of vacuum check valve is provided with the connecting pipe, connecting pipe and screw cap integration setting, connecting pipe upper end threaded connection has the screw plug, the right side opening part grafting of shell has the wire sealing washer.
Compared with the prior art, the utility model has the beneficial effects that:
in the utility model, the arrangement of the sensor signal output end, the sensor probe, the sensor mounting hole and the methyl silica gel layer improves the accuracy of temperature and the timeliness of response when the sensor is not directly contacted with the measured moving part, and the standard output wiring is convenient.
In the utility model, the simple resistance type sensor is used for replacing the design of the nonstandard special sensor, so that the purchase cost is greatly reduced, the structure is simple, and the durability is higher.
In the utility model, the sensitivity and accuracy of the sensor can be greatly improved by using the coating with oxidation resistance and larger temperature range.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the sensor probe of the present utility model;
fig. 3 is a schematic structural view of the sensor housing structure of the present utility model.
In the figure:
1. a sensor signal output; 2. a sensor probe; 3. a bearing; 4. a sensor mounting hole; 5. a methyl silicone layer; 6. installing a bolt; 7. a rubber pad; 8. a sensor housing structure; 81. a housing; 82. a vacuum cavity; 83. a screw cap; 84. a vacuum check valve; 85. a threaded plug; 86. and (5) conducting wire sealing rings.
Detailed Description
The utility model is specifically described below with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, the bearing temperature sensor comprises a sensor signal output end 1 and a bearing 3, the wiring of the sensor signal output end 1 adopts standard output wiring, a sensor mounting hole 4 is formed in the bearing 3, a sensor probe 2 is mounted at the lower part of the sensor signal output end 1, the sensor probe 2 adopts a thermal resistance type probe, the sensor probe 2 is made of stainless steel, the long-time use reliability is guaranteed, the outside of the sensor probe 2 is coated with a 1mm to 2mm thermosensitive coating, the temperature uniformity and the response timeliness are improved, a heat sensitive element is mounted in the sensor probe 2, the lower end of the thermosensitive element is in contact with the inside of the sensor probe 2, the heat source signal transmission is more timely, a methyl silica gel layer 5 is filled between the sensor probe 2 and the sensor mounting hole 4, the vibration in the flexible working process of the methyl silica gel layer 5 is eliminated, meanwhile, the sensor housing 8 of the sensor signal output end 1 is mounted outside the sensor housing structure.
In this embodiment, referring to fig. 3, the sensor housing structure 8 includes a housing 81, a vacuum cavity 82 is integrally formed in the housing 81, the vacuum cavity 82 makes the interior of the housing 81 separate from the exterior of the housing 81, a threaded cap 83 is screwed on the upper portion of the housing 81, a vacuum check valve 84 is screwed on the upper opening of the threaded cap 83, the vacuum check valve 84 can enable an external air suction vacuum pump to vacuumize the interior of the housing 81, reduce the influence of the external environment on the sensor signal output end 1 and the sensor probe 2, enable the sensor signal output end 1 and the sensor probe 2 to measure the temperature more accurately, a connecting pipe is disposed outside the vacuum check valve 84, the connecting pipe is integrally disposed with the threaded cap 83, a threaded plug 85 is screwed on the upper end of the connecting pipe, a wire sealing ring 86 is inserted in the right opening of the housing 81, and after the wire passes through the wire sealing ring 86, the wire sealing ring 86 is glued and sealed, and the tightness in the housing 81 is improved.
In this embodiment, specifically, the lower four corners of the housing 81 are connected to the bearing 3 by mounting bolts 6, and a rubber pad 7 is provided between the mounting bolts 6 and the bearing 3.
Principle of operation
According to the utility model, the sensor probe 2 is uniformly coated with the methyl silica gel layer 5, the thickness of the methyl silica gel layer 5 is 1mm to 2mm, the methyl silica gel layer 5 is put into the sensor mounting hole 4 after being slightly hardened, the sensor mounting hole 4 is designed according to the length of the sensor in advance, vibration in the working process is eliminated by using the softness of the methyl silica gel layer 5, meanwhile, a thermal sensing signal can be quickly captured, and when the bearing 3 runs at a high speed, heat on the bearing 3 is outwards emitted to be gathered into the sensor mounting hole 4 and then captured by the sensor probe 2, and the sensor probe 2 is uniformly heated due to the effect of the methyl silica gel layer 5, so that the captured signal is sensitive. The temperature signal is converted into a current signal by the sensor probe 2 to be output, the temperature measurement is completed, and the signal output is realized by the sensor signal output end 1.
By using the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the utility model.
Claims (4)
1. The utility model provides a bearing temperature sensor, including sensor signal output part (1) and bearing (3), its characterized in that, sensor mounting hole (4) have been seted up to the inside of bearing (3), sensor probe (2) are installed to the lower part of sensor signal output part (1), sensor probe (2) adopt stainless steel material, the outside of sensor probe (2) is scribbled 1mm to 2mm heat sensitive coating, sensor probe (2) internally mounted has heat sensitive element, heat sensitive element's lower extreme and sensor probe (2) internal contact setting, it has methyl silica gel layer (5) to fill between sensor probe (2) and sensor mounting hole (4).
2. Bearing temperature sensor according to claim 1, characterized in that the sensor housing structure (8) is mounted outside the sensor signal output (1).
3. The bearing temperature sensor according to claim 2, wherein the sensor housing structure (8) comprises a housing (81), a vacuum cavity (82) is integrally formed in the housing (81), a threaded cover (83) is connected to the upper portion of the housing (81) in a threaded manner, a vacuum one-way valve (84) is connected to the upper opening of the threaded cover (83) in a threaded manner, the temperature of the sensor signal output end (1) and the sensor probe (2) can be measured more accurately, a connecting pipe is arranged outside the vacuum one-way valve (84), the connecting pipe and the threaded cover (83) are integrally arranged, a threaded plug (85) is connected to the upper end of the connecting pipe in a threaded manner, and a wire sealing ring (86) is inserted into the right opening of the housing (81).
4. A bearing temperature sensor according to claim 3, wherein the lower four corners of the housing (81) are connected to the bearing (3) by mounting bolts (6), and rubber pads (7) are provided between the mounting bolts (6) and the bearing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321854170.7U CN220708564U (en) | 2023-07-14 | 2023-07-14 | Bearing temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321854170.7U CN220708564U (en) | 2023-07-14 | 2023-07-14 | Bearing temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220708564U true CN220708564U (en) | 2024-04-02 |
Family
ID=90449393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321854170.7U Active CN220708564U (en) | 2023-07-14 | 2023-07-14 | Bearing temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220708564U (en) |
-
2023
- 2023-07-14 CN CN202321854170.7U patent/CN220708564U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |