CN209561285U - A kind of inductive proximity sensor resistant to high temperature - Google Patents
A kind of inductive proximity sensor resistant to high temperature Download PDFInfo
- Publication number
- CN209561285U CN209561285U CN201920312396.1U CN201920312396U CN209561285U CN 209561285 U CN209561285 U CN 209561285U CN 201920312396 U CN201920312396 U CN 201920312396U CN 209561285 U CN209561285 U CN 209561285U
- Authority
- CN
- China
- Prior art keywords
- thermal insulation
- insulation layer
- fixed
- proximity sensor
- vacuum chamber
- 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.)
- Active
Links
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The utility model belongs to proximity sensor technical field, in particular a kind of inductive proximity sensor resistant to high temperature, including sensor body component and insulating assembly, the insulating assembly includes shell, cover board, connector, first thermal insulation layer, second thermal insulation layer, the first vacuum chamber, the second vacuum chamber and column casing, the lateral wall both ends of the body are removably connected with the connector, and the lateral wall of the connector is fixed with the cover board；Shell is connected by cover board in the outside of body, the shell is in hollow cylindrical structure, it is bonded first thermal insulation layer and second thermal insulation layer in the inside of shell, the first vacuum chamber is constituted between two thermal insulation layers, extraneous temperature can be obstructed, reduce temperature to immerse on sensor, it is internally provided with column casing in second thermal insulation layer, the second vacuum chamber is constituted between column casing and second thermal insulation layer, the isolation double-deck in this way, sensor can be made to be useful in the environment of higher temperatures, be conducive to detection and be applicable in.
Description
Technical field
The utility model belongs to proximity sensor technical field, and in particular to a kind of close sensing of inductance type resistant to high temperature
Device.
Background technique
Proximity sensor is a kind of device with perception object proximity ability, it is using displacement sensor to close object
Body has sensitivity characteristic to identify the close of object, and exports respective switch signal, and therefore, usually proximity sensor is called again
Close to switch.It is to replace the contact measurements formula detection modes such as switch, without contacting detected object as purpose sensor
General name, it can test object move and there are information and be converted to electric signal.
Existing technology has the following problems:
1, the suitable environment temperature of most proximity sensors is usually -25 ° to 120 °, and being higher than 120 ° in temperature then can shadow
The accuracy for ringing the detection of sensor, results even in sensor internal element damage, reduces its service life, and due to temperature
The limitation of degree causes the scope of application of sensor to reduce, and can not apply in higher temperatures environment；
2, proximity sensor itself can generate heat when in use, and heat build-up is not easy to come out in inside, heat compared with
It is mostly the use that will affect element, there are certain drawbacks.
Utility model content
To solve the problems mentioned above in the background art.It is close that the utility model provides a kind of inductance type resistant to high temperature
Sensor has structure novel, and thermal insulation layer and vacuum chamber, which is arranged, can make sensor work in the environment of higher temperature, improves
The scope of application of sensor, improved sensor also have the characteristics that convenient for heat dissipation.
To achieve the above object, the utility model provides the following technical solutions:
A kind of inductive proximity sensor resistant to high temperature, including sensor body component and insulating assembly, the sensor
Body assembly includes probe, body, stern post and connecting column, and one end of the body is fixed with the probe, and the body is another
End is fixed with the stern post, and one end of the stern post is fixed with the connecting column, and the insulating assembly includes shell, cover board, company
Device, first thermal insulation layer, second thermal insulation layer, the first vacuum chamber, the second vacuum chamber and column casing are connect, the lateral wall both ends of the body can
Dismantling connection has the connector, and the lateral wall of the connector is fixed with the cover board, and the lateral wall of the cover board is fixed with
The shell, the inner sidewall of the shell are fixed with the first thermal insulation layer, and the inside of the first thermal insulation layer is fixed with described
Second thermal insulation layer constitutes first vacuum chamber between the first thermal insulation layer and the second thermal insulation layer, described second is heat-insulated
The inside of layer is fixed with the column casing, and second vacuum chamber is constituted between the column casing and the second thermal insulation layer.
Further, cooling component includes silica gel piece and annulus cylinder, and the inner sidewall of second vacuum chamber is fixed with described
Silica gel piece, the inner sidewall of the silica gel piece are fixed with the annulus cylinder.
Further, the connector includes annulus and internal screw thread ring, and the inner sidewall of the cover board is fixed with the interior spiral shell
The inner sidewall of line ring, the internal screw thread ring is fixed with the annulus.
Further, the first thermal insulation layer, the second thermal insulation layer and cover board structure annular in shape.
Further, one end of the stern post is equipped with action indicator, the action indicator and the fixed company of the stern post
It connects.
Further, the lateral wall of the body is equipped with external screw thread, and the external screw thread is fixedly connected with the body.
Further, hexagonal double-ended bolt there are two the lateral wall fixations of the body, and the side of two hexagonal double-ended bolts
It is respectively and fixedly provided with gasket.
Compared with prior art, the utility model has the beneficial effects that
1, it in the utility model, is improved on the basis of original device, shell is connected by cover board in the outside of body
Body, the shell are in hollow cylindrical structure, are bonded first thermal insulation layer and second thermal insulation layer, two thermal insulation layers in the inside of shell
Between constitute the first vacuum chamber, extraneous temperature can be obstructed, reduce temperature and immerse on sensor, in second thermal insulation layer
It is internally provided with column casing, the second vacuum chamber is constituted between column casing and second thermal insulation layer, the isolation double-deck in this way can make sensor suitable
In the environment of higher temperatures, it is conducive to detection and is applicable in.
2, in the utility model, by having increased silica gel piece and annulus cylinder newly, silica gel piece has heat-insulated, thermally conductive effect, circle
The inside of ring cylinder is packed into coolant liquid, and when sensor itself generates heat, the heat of surrounding is can be absorbed in coolant liquid, and then in week
The temperature enclosed reduces, a possibility that reduce component wear.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the sensor body component right view in the utility model.
Fig. 3 is Fig. 1 insulating assembly schematic internal view in the utility model.
Fig. 4 is Fig. 3 left view structural representation in the utility model.
In figure: 10- sensor body component, 11- probe, 12- body, 13- gasket, 14- hexagonal double-ended bolt, 15- stern post,
16- connecting column, 17- action indicator, 20- insulating assembly, 21- shell, 22- cover board, 23- connector, 231- annulus, in 232-
Screwed ring, 24- first thermal insulation layer, 25- second thermal insulation layer, the first vacuum chamber of 26-, the second vacuum chamber of 27-, 28- column casing, 30- drop
Warm component, 31- silica gel piece, 32- annulus cylinder.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Fig. 1-4 is please referred to, the utility model provides a kind of following technical solution:
A kind of inductive proximity sensor resistant to high temperature, including sensor body component 10 and insulating assembly 20, sensor
Body assembly 10 includes probe 11, body 12, stern post 15 and connecting column 16, and one end of body 12 is fixed with probe 11, probe 11
For detecting testee, 12 other end of body is fixed with stern post 15, and one end of stern post 15 is fixed with connecting column 16, connecting column 16
One end connecting wire, insulating assembly 20 include shell 21, cover board 22, connector 23, first thermal insulation layer 24, second thermal insulation layer
25, the first vacuum chamber 26, the second vacuum chamber 27 and column casing 28, the lateral wall both ends of body 12 are removably connected with connector 23,
The lateral wall of connector 23 is fixed with cover board 22, and the lateral wall of cover board 22 is fixed with shell 21, and the inner sidewall of shell 21 is fixed with
First thermal insulation layer 24 is potsherd, it is made of some small ceramic particles being suspended in inertia latex, has thermally conductive system
Number bottom, reflectivity is high, and the inside of first thermal insulation layer 24 is fixed with second thermal insulation layer 25, and second thermal insulation layer 25 is aerogel blanket, it
Be a kind of material that heat-proof quality is strong, constitute the first vacuum chamber 26 between first thermal insulation layer 24 and second thermal insulation layer 25, second every
The inside of thermosphere 25 is fixed with column casing 28, and the second vacuum chamber 27, the second vacuum chamber are constituted between column casing 28 and second thermal insulation layer 25
27 and first vacuum chamber 26 can play heat insulation function.
Specifically, cooling component 30 includes silica gel piece 31 and annulus cylinder 32, the inner sidewall of the second vacuum chamber 27 is fixed with silicon
Film 31, the inner sidewall of silica gel piece 31 are fixed with annulus cylinder 32, and silica gel piece 31 has heat-insulated, thermally conductive effect, can make to absorb
The heat that sensor itself generates, reduces the temperature of ambient enviroment, is easy to use.
Specifically, connector 23 includes annulus 231 and internal screw thread ring 232, the inner sidewall of cover board 22 is fixed with internal screw thread ring
232, the inner sidewall of internal screw thread ring 232 is fixed with annulus 231, and the material of connector 23 is metal, connector 23 and body 12 it
Between can rotate dismantled so that it is convenient to proximity sensor overhaul.
Specifically, first thermal insulation layer 24, second thermal insulation layer 25 and the structure annular in shape of cover board 22, first thermal insulation layer 24 are
Potsherd, it is made of some small ceramic particles being suspended in inertia latex, has thermal coefficient bottom, and reflectivity is high
Feature, second thermal insulation layer 25 are aerogel blanket, are the porous material in nanoscale aperture, it is a kind of strong soft of heat-proof quality
Material.
Specifically, one end of stern post 15 is equipped with action indicator 17, action indicator 17 is fixedly connected with stern post 15, is acted
Indicator light 17 can facilitate operator to observe whether proximity sensor is in work.
Specifically, the lateral wall of body 12 is equipped with external screw thread, external screw thread is fixedly connected with body 12, external screw thread and internal screw thread
Ring 232 can be rotatablely connected together, shell 21 easy to disassemble, easy to operate.
Specifically, the lateral wall of body 12 is fixed, there are two hexagonal double-ended bolts 14, and the side of two hexagonal double-ended bolts 14 is solid
Surely there is gasket 13, two hexagonal double-ended bolts 14 are installed for fixing body 12, the structure annular in shape of gasket 13, material on the sensor
For rubber.
The working principle and process for using of the utility model: the utility model, proximity sensor are able to detect testee
Mobile message and there are information, and convert the information into electric signal transmitting, when sensor makes movement, action indicator 17
Just shinny, shell 21 is connected by cover board 22 in the outside of body 12, which is in hollow cylindrical structure, in shell 21
Inside fitting first thermal insulation layer 24 and second thermal insulation layer 25, first thermal insulation layer 24 is potsherd, and second thermal insulation layer 25 is airsetting
Rubber mat, the thermal coefficient bottom of two thermal insulation layers, heat-proof quality is high, constitutes the first vacuum chamber 26 between two thermal insulation layers, can be right
Extraneous temperature is obstructed, and is reduced temperature and is immersed on sensor, is internally provided with column casing 28, column casing 28 in second thermal insulation layer 25
The second vacuum chamber 27 is constituted between second thermal insulation layer 25, the isolation double-deck in this way can make sensor be useful in the ring of higher temperatures
In border, it is conducive to detection and is applicable in.
Finally, it should be noted that being not limited to the foregoing is merely the further embodiment of the utility model
The utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For member, it is still possible to modify the technical solutions described in the foregoing embodiments, or special to part of technology
Sign is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of inductive proximity sensor resistant to high temperature, it is characterised in that: including sensor body component (10) and heat-insulated group
Part (20), the sensor body component (10) includes probe (11), body (12), stern post (15) and connecting column (16), described
One end of body (12) is fixed with the probe (11), and body (12) other end is fixed with the stern post (15), the tail
One end of column (15) is fixed with the connecting column (16), and the insulating assembly (20) includes shell (21), cover board (22), connector
(23), first thermal insulation layer (24), second thermal insulation layer (25), the first vacuum chamber (26), the second vacuum chamber (27) and column casing (28), institute
The lateral wall both ends for stating body (12) are removably connected with the connector (23), and the lateral wall of the connector (23) is fixed with
The lateral wall of the cover board (22), the cover board (22) is fixed with the shell (21), and the inner sidewall of the shell (21) is fixed
Having the first thermal insulation layer (24), the inside of the first thermal insulation layer (24) is fixed with the second thermal insulation layer (25), and described
First vacuum chamber (26), the second thermal insulation layer (25) are constituted between one thermal insulation layer (24) and the second thermal insulation layer (25)
Inside be fixed with the column casing (28), second vacuum is constituted between the column casing (28) and the second thermal insulation layer (25)
Room (27).
2. a kind of inductive proximity sensor resistant to high temperature according to claim 1, it is characterised in that: cooling component (30)
Including silica gel piece (31) and annulus cylinder (32), the inner sidewall of second vacuum chamber (27) is fixed with the silica gel piece (31), institute
The inner sidewall for stating silica gel piece (31) is fixed with the annulus cylinder (32).
3. a kind of inductive proximity sensor resistant to high temperature according to claim 1, it is characterised in that: the connector
It (23) include annulus (231) and internal screw thread ring (232), the inner sidewall of the cover board (22) is fixed with the internal screw thread ring (232),
The inner sidewall of the internal screw thread ring (232) is fixed with the annulus (231).
4. a kind of inductive proximity sensor resistant to high temperature according to claim 1, it is characterised in that: described first is heat-insulated
Layer (24), the second thermal insulation layer (25) and the cover board (22) structure annular in shape.
5. a kind of inductive proximity sensor resistant to high temperature according to claim 1, it is characterised in that: the stern post (15)
One end be equipped with action indicator (17), the action indicator (17) is fixedly connected with the stern post (15).
6. a kind of inductive proximity sensor resistant to high temperature according to claim 1, it is characterised in that: the body (12)
Lateral wall be equipped with external screw thread, the external screw thread is fixedly connected with the body (12).
7. a kind of inductive proximity sensor resistant to high temperature according to claim 1, it is characterised in that: the body (12)
Lateral wall it is fixed there are two hexagonal double-ended bolt (14), and the side of two hexagonal double-ended bolts (14) is respectively and fixedly provided with gasket (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312396.1U CN209561285U (en) | 2019-03-13 | 2019-03-13 | A kind of inductive proximity sensor resistant to high temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312396.1U CN209561285U (en) | 2019-03-13 | 2019-03-13 | A kind of inductive proximity sensor resistant to high temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209561285U true CN209561285U (en) | 2019-10-29 |
Family
ID=68312809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920312396.1U Active CN209561285U (en) | 2019-03-13 | 2019-03-13 | A kind of inductive proximity sensor resistant to high temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209561285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023078181A1 (en) * | 2021-11-05 | 2023-05-11 | 添可智能科技有限公司 | Heating device |
-
2019
- 2019-03-13 CN CN201920312396.1U patent/CN209561285U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023078181A1 (en) * | 2021-11-05 | 2023-05-11 | 添可智能科技有限公司 | Heating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209561285U (en) | A kind of inductive proximity sensor resistant to high temperature | |
| CN105021325A (en) | Capacitive pressure sensor | |
| CN210136023U (en) | Wireless low-power-consumption pressure transmitter | |
| CN218383135U (en) | Portable multifunctional box for detecting performance of insulator | |
| CN104596668A (en) | Surface acoustic wave based distribution transformer temperature on-line monitoring system | |
| CN204881935U (en) | Capacitanc pressure sensing device | |
| WO2018214346A1 (en) | Wireless power source-based vacuum degree-monitoring high voltage vacuum arc-extinguishing chamber and high-voltage switch | |
| CN210952923U (en) | Sensing device | |
| CN111370212A (en) | Oil-immersed transformer | |
| CN109781294B (en) | Polymer PTC temperature sensor | |
| CN220960419U (en) | Waterproof pressure sensor | |
| CN206862526U (en) | A kind of device of on-line measurement bearing temperature | |
| CN108444640B (en) | Respirator with pressure measuring device | |
| CN219776760U (en) | Temperature-pressure flow differential pressure transmitter for detecting volatile organic compounds | |
| CN201522336U (en) | Oil temperature detecting device of on-line nondestructive lighting distribution transformer | |
| CN2310986Y (en) | Melted metal level slag thick testing probe | |
| CN219996420U (en) | Digital pressure gauge with pressure relief structure | |
| CN216483517U (en) | Novel automatic calibration medical infrared thermometer | |
| CN210603398U (en) | Sensor mounting structure | |
| CN216411783U (en) | High-efficiency electro-optical switch | |
| CN220418667U (en) | Surface temperature sensor | |
| CN202041305U (en) | Temperature measurement sensor with air closed chamber of super capacitor battery | |
| CN213240302U (en) | High-temperature-resistant fire detection detector | |
| CN219064848U (en) | Monitoring device for rotary machine | |
| CN213579831U (en) | Integrated temperature transmitter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |