CN208887802U - A kind of air temperature sensor - Google Patents
A kind of air temperature sensor Download PDFInfo
- Publication number
- CN208887802U CN208887802U CN201821609532.5U CN201821609532U CN208887802U CN 208887802 U CN208887802 U CN 208887802U CN 201821609532 U CN201821609532 U CN 201821609532U CN 208887802 U CN208887802 U CN 208887802U
- Authority
- CN
- China
- Prior art keywords
- barrel
- shell
- pedestal
- opening
- temperature sensor
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of air temperature sensor, including pedestal, shell and thermistor, shell is the tubular of open at one end, casing cover is set to susceptor surface and surrounds to form accommodating chamber with pedestal, circuit board is equipped in pedestal, one end of thermistor is fixed in the middle part of circuit board, the other end exposes pedestal and upwardly extends, the central axis of side wall of outer shell surrounding housing is equidistantly equipped with multiple bar shaped notches, bar shaped notch is located at the top side wall of shell, gauze is covered on bar shaped notch, the inner roof wall of shell is vertically fixed the first barrel and the second barrel, the axis of first barrel and the second barrel is overlapped with the axis of shell, the internal diameter of first barrel is greater than the internal diameter of the second barrel；The utility model can slow down air in the flowing of sensor internal, so that thermistor and air is carried out good heat exchange, so as to the temperature of accurately measure air.
Description
Technical field
The utility model relates to sensor field more particularly to a kind of air temperature sensor.
Background technique
It is fitted with temperature sensor on automobile, for detecting temperature interior, outside vehicle, makes client according to current interior temperature
The comparison of degree and outside temperature starts compressor, adjusts air output or interior temperature how is arranged, to provide more to client
Comfortable environment inside car.
Existing temperature sensor for vehicle is mostly thermistor temperature sensor, and thermistor needs and outside air is contacted
And heat exchange is carried out, wherein for detecting temperature sensor outside vehicle because under flow conditions, between air-flow and thermistor
Exchange capability of heat it is poor, both make that thermal equilibrium state is not achieved for a long time, therefore, the output of thermistor not can correctly reflect air-flow
True temperature, especially in air-flow flows faster, caused by measurement error can be bigger.
Utility model content
The utility model is to solve existing technological deficiency, provides a kind of air temperature sensor, can slow down air and exist
The flowing of sensor internal makes thermistor and air carry out good heat exchange, so as to the temperature of accurately measure air
Degree.Its specific technical solution is as follows:
The utility model discloses a kind of air temperature sensor, including pedestal, shell and thermistor, and the shell is one
Open tubular is held, the casing cover is set to the susceptor surface and surrounds to form accommodating chamber with the pedestal, in the pedestal
Equipped with circuit board, one end of the thermistor is fixed in the middle part of the circuit board, the other end exposes the pedestal and is prolonged upwards
It stretches, the side wall of outer shell is equidistantly equipped with multiple bar shaped notches around the central axis of the shell, and the bar shaped notch is located at institute
The top side wall of shell is stated, gauze is covered on the bar shaped notch, the inner roof wall of the shell is vertically fixed the first barrel
And second barrel, the axis of first barrel and second barrel are overlapped with the axis of the shell, first barrel
Internal diameter be greater than the internal diameter of second barrel, the height of first barrel and second barrel is all larger than the bar shaped
The one end of notch far from the cover top portion to the housing top end end face vertical distance, the first barrel side wall have from
Top is driveed to several first openings of bottom, and the second barrel side wall, which has from top, to be driveed to several second openings of bottom,
Several first openings and several second openings are placed equidistant with around the axis of the shell, first opening and
Second opening is spaced in a circumferential direction, and first opening and second opening are mutually wrong in radial directions
It opens, the lateral wall of the lateral wall of first barrel and second barrel is fixed with several along housing axis direction setting
Wind deflector.
Further, the quantity of first opening and second opening is 2, and first opening is described first
Central angle corresponding to barrel circumferencial direction and the second opening central angle corresponding to the second barrel circumferencial direction
It is 60.
Further, several wind deflectors first barrel and second barrel at random of being distributed in is close to described outer
The side of shell inner wall.
Further, the mesh of the gauze is -40 mesh of 30 mesh.
Further, one end of the housing open has screw thread, has corresponding ring screw slot on the pedestal,
The shell is connect by screw thread and thread groove with the whorl of base.
Further, the thermistor is paster type resistor.
The utility model has the beneficial effects that the utility model by the setting of the first barrel and the second barrel can to rapidly into
The air entered in shell carries out guiding buffer function, can slow down air in the flowing velocity of sensor internal, make thermistor with
Air carries out good heat exchange, so as to the temperature of accurately measure air；It is covered with gauze on bar shaped notch, can be prevented
Sandstone, which splashes, enters sensor, influences sensor service life.
Detailed description of the invention
Fig. 1 is the top structure schematic diagram of the utility model embodiment；
Fig. 2 is the schematic diagram of internal structure of the utility model embodiment；
Fig. 3 is the surface texture schematic diagram of the utility model embodiment.
It is marked in figure: pedestal 100, circuit board 110, shell 200, bar shaped notch 210, gauze 220, the first barrel 230, the
Two barrels 240, the first opening 250, the second opening 260, wind deflector 270, thermistor 300.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The utility model is described in further detail below by specific embodiment combination attached drawing.Please refer to attached drawing.
The utility model discloses a kind of air temperature sensor, including pedestal 100, shell 200 and thermistor 300, institute
The tubular that shell 200 is open at one end is stated, the shell 200 is covered on 100 surface of pedestal and surrounds with the pedestal 100
Accommodating chamber is formed, is equipped with circuit board 110 in the pedestal 100, the circuit board is fixed in one end of the thermistor 300
110 middle parts, the other end are exposed the pedestal 100 and are upwardly extended, and 200 side wall ring of shell is around the center of the shell 200
Axis is equidistantly equipped with multiple bar shaped notches 210, and the bar shaped notch 210 is located at the top side wall of the shell 200, the bar shaped
Gauze 220 is covered on notch 210, specifically, the bar shaped notch 210 is for strip and along the central axis of the shell 200
The setting of line direction, the gauze 220 is by being welded and fixed；The inner roof wall of the shell 200 be vertically fixed the first barrel 230 and
The axis of second barrel 240, first barrel 230 and second barrel 240 is overlapped with the axis of the shell 200, institute
The internal diameter for stating the first barrel 230 is greater than the internal diameter of second barrel 240, first barrel 230 and second barrel 240
Height, be all larger than the one end to the 200 top end face of shell of the bar shaped notch 210 far from 200 top of the shell
Vertical distance, 230 side wall of the first barrel, which has from top, to be driveed to several first openings 250 of bottom, second barrel
240 side walls, which have from top, to be driveed to several second openings 260 of bottom, several first openings 250 and several described second
Opening 260 is placed equidistant with around the axis of the shell 200, and first opening 250 and second opening 260 are in circumference
Spaced on direction, first opening 250 and second opening 260 mutually stagger in radial directions, and described first
The lateral wall of the lateral wall of barrel 230 and second barrel 240 be fixed with it is several along 200 axis direction of shell setting
Wind deflector 270
The utility model can be to the sky rapidly entered in shell 200 by the setting of the first barrel 230 and the second barrel 240
Gas carries out guiding buffer function, can slow down air in the flowing velocity of sensor internal, carry out thermistor 300 with air good
Good heat exchange, so as to the temperature of accurately measure air；It is covered with gauze 220 on bar shaped notch 210, sandstone can be prevented
It splashes and enters sensor, influence sensor service life.
Further, the quantity of first opening 250 and second opening 260 is 2, first opening 250
The central angle corresponding to 230 circumferencial direction of the first barrel and second opening 260 are in 240 circumference of the second barrel
Central angle corresponding to direction is 60；Air-flow can adequately be buffered, while guide air-flow and the thermistor 300
Carry out heat exchange.
Further, several wind deflectors 270 are at random is distributed in first barrel 230 and second barrel 240
Close to the side of 200 inner wall of shell；The wind deflector 270 of distribution at random can avoid air-flow occur laminar flow phenomenon, to air-flow into
Row buffering.
Further, the mesh of the gauze 220 is -40 mesh of 30 mesh；Sandstone fully can be blocked in the shell 200
Outside, while meeting the circulation of air-flow.
Further, the open one end of the shell 200 has screw thread, has corresponding annular on the pedestal 100
Thread groove, the shell 200 are threadedly coupled by screw thread and thread groove with the pedestal 100；It is easily installed and dismantles, have simultaneously
Conducive to the recycling of the shell 200.
Further, the thermistor 300 is paster type resistor；Using solder wave process by the thermistor 300
It is fixed on the circuit board 110, small in size, high mechanical strength.
The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that
The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made.
Claims (6)
1. a kind of air temperature sensor, which is characterized in that including pedestal (100), shell (200) and thermistor (300), institute
State shell (200) be open at one end tubular, the shell (200) be covered on the pedestal (100) surface and with the pedestal
(100) it surrounds to form accommodating chamber, is equipped with circuit board (110) in the pedestal (100), one end of the thermistor (300) is solid
Expose the pedestal (100) due to the circuit board (110) middle part, the other end and upwardly extends, shell (200) side wall ring
Multiple bar shaped notches (210) are equidistantly equipped with around the central axis of the shell (200), the bar shaped notch (210) is located at described
The top side wall of shell (200) is covered with gauze (220) on the bar shaped notch (210), the inner roof wall of the shell (200)
It is vertically fixed the first barrel (230) and the second barrel (240), first barrel (230) and second barrel (240)
Axis is overlapped with the axis of the shell (200), and the internal diameter of first barrel (230) is greater than second barrel (240)
The height of internal diameter, first barrel (230) and second barrel (240) is all larger than the bar shaped notch (210) far from institute
State vertical distance of the one end at the top of shell (200) to the shell (200) top end face, the first barrel (230) side wall
With driveing from top to several first openings (250) of bottom, the second barrel (240) side wall, which has, to be driveed from top to bottom
Several second openings (260), several first openings (250) and several second openings (260) are around described outer
The axis of shell (200) is placed equidistant with, first opening (250) and described second opening (260) alternate row in a circumferential direction
Column, first opening (250) and second opening (260) mutually stagger in radial directions, first barrel (230)
Lateral wall and second barrel (240) lateral wall be fixed with it is several along the shell (200) axis direction setting gears
Aerofoil (270).
2. a kind of air temperature sensor as described in claim 1, which is characterized in that first opening is (250) and described
The quantity of second opening (260) is 2, and first opening (250) is corresponding to the first barrel (230) circumferencial direction
Central angle and described second opening (260) central angle corresponding to the second barrel (240) circumferencial direction are 60 °.
3. a kind of air temperature sensor as described in claim 1, which is characterized in that several wind deflectors (270) are at random
First barrel (230) and second barrel (240) are distributed in close to the side of the shell (200) inner wall.
4. a kind of air temperature sensor as described in claim 1, which is characterized in that the mesh of the gauze (220) is 30
- 40 mesh of mesh.
5. a kind of air temperature sensor as described in claim 1, which is characterized in that the open one end of the shell (200)
With screw thread, there is corresponding ring screw slot on the pedestal (100), the shell (200) passes through screw thread and thread groove
It is threadedly coupled with the pedestal (100).
6. a kind of air temperature sensor as described in claim 1, which is characterized in that the thermistor (300) is patch
Formula resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821609532.5U CN208887802U (en) | 2018-09-29 | 2018-09-29 | A kind of air temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821609532.5U CN208887802U (en) | 2018-09-29 | 2018-09-29 | A kind of air temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208887802U true CN208887802U (en) | 2019-05-21 |
Family
ID=66514866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821609532.5U Expired - Fee Related CN208887802U (en) | 2018-09-29 | 2018-09-29 | A kind of air temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208887802U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504498A (en) * | 2021-02-03 | 2021-03-16 | 南京高华科技股份有限公司 | Annular structure temperature sensor |
| CN112770556A (en) * | 2020-11-18 | 2021-05-07 | 广州市荣鼎电子有限公司 | High-integration-level DSP (digital signal processor) automobile power amplifier |
-
2018
- 2018-09-29 CN CN201821609532.5U patent/CN208887802U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112770556A (en) * | 2020-11-18 | 2021-05-07 | 广州市荣鼎电子有限公司 | High-integration-level DSP (digital signal processor) automobile power amplifier |
| CN112504498A (en) * | 2021-02-03 | 2021-03-16 | 南京高华科技股份有限公司 | Annular structure temperature sensor |
| CN112504498B (en) * | 2021-02-03 | 2021-04-20 | 南京高华科技股份有限公司 | Annular structure temperature sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20210929 |