CN207763846U - Temperature sensor - Google Patents
Temperature sensor Download PDFInfo
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- CN207763846U CN207763846U CN201820142781.1U CN201820142781U CN207763846U CN 207763846 U CN207763846 U CN 207763846U CN 201820142781 U CN201820142781 U CN 201820142781U CN 207763846 U CN207763846 U CN 207763846U
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- temperature
- internal frame
- temperature sensor
- sensitive shell
- outrigger
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Abstract
The utility model is related to a kind of temperature sensors, including：Temperature sensing thermistors, temperature sensing thermistors are connected with the first lead；Temperature control thermistor, temperature control thermistor are connected with the second lead being connected for the comparison amplifying circuit with peripheral hardware；Temperature-sensitive shell, temperature sensing thermistors are abutted with the inner surface of temperature-sensitive shell with temperature control thermistor, and are equipped with insulating layer to being less than at two abutting position.Temperature sensor provided by the utility model, using two thermistors, temperature sensing thermistors are used for accurate temperature measurements, the mating connection of temperature control thermistor is compared amplifying circuit and is compensated to temperature, to have the function that temperature control, so that living electric apparatus does not occur intermittent heating during heating, thus constant temperature is stablized, and user experience likability is effectively improved.
Description
Technical field
The utility model belongs to sensor technical field, and in particular to a kind of temperature sensor.
Background technology
Traditional living electric apparatus temperature-sensitive system is to convert the temperature signal of temperature surface to resistance value by NTC thermistor
The variation of signal, thermistor resistance value causes the partial pressure of resistance to change, and the voltage signal of variation is received by microprocessor, and will
It is converted into temperature signal, to achieve the purpose that measuring temperature.
With the improvement of living standards and the continuous development of new and high technology level, experience requirements of the people to living electric apparatus
It is higher and higher.Traditional living electric apparatus only there are one temperature sensor, can accurate measuring temperature, but heating reaches and wants
It after the temperature asked, will stop heating, heating can be started again at after temperature is reduced to critical point, this discontinuity repeatedly adds
Heat so that people have a greatly reduced quality to the experience sense of living electric apparatus.
Utility model content
The utility model embodiment is related to a kind of temperature sensor, can at least solve the segmental defect of the prior art.
The utility model embodiment is related to a kind of temperature sensor, including：
Temperature sensing thermistors, the temperature sensing thermistors are connected with the first lead；
Temperature control thermistor, the temperature control thermistor are connected with for the comparison amplifying circuit mating connection with peripheral hardware
Second lead；
Temperature-sensitive shell, the temperature sensing thermistors are abutted with the inner surface of the temperature-sensitive shell with the temperature control thermistor,
And it is equipped with insulating layer to being less than at two abutting position.
As one of embodiment, the insulating layer is constituted in being covered with high-temperature insulation film on the inner surface of the temperature-sensitive shell.
As one of embodiment, the thickness of the high-temperature insulation film is 0.04~0.07mm.
As one of embodiment, which further includes the internal frame of tubulose, the temperature-sensitive shell and the one of the internal frame
End connects and encloses and sets to form a host cavity, and the temperature sensing thermistors and the temperature control thermistor are contained in the host cavity
Interior and be connected as one by epoxy resin and the temperature-sensitive shell and the internal frame, first lead and second lead are equal
It is drawn from the other end of the internal frame.
As one of embodiment, which further includes the outrigger for being suitable for being assembled to application place, and the internal frame is worn
It is assemblied on the outrigger on the outrigger and by assemble mechanism limit.
As one of embodiment, the one end of the internal frame being connect with the temperature-sensitive shell, which is radially protruded, is provided with ring
The shape edge of a wing, the internal frame are arranged with spring outside, and the both ends of the spring are connected to respectively on the annular edge of a wing and the outrigger,
The assemble mechanism is connect with the other end of the internal frame.
As one of embodiment, the assemble mechanism includes spacer pin, one end far from the temperature-sensitive shell of the internal frame
It stretches out in outside the outrigger and is correspondingly provided with pin hole, the spacer pin is plugged in the pin hole.
As one of embodiment, the temperature-sensitive shell is aluminum hull.
As one of embodiment, anodic oxide coating is formed in temperature-sensitive shell outer surface.
As one of embodiment, first lead and second lead are respectively connected with crimp type terminal and are equipped with modeling
Seat.
The utility model embodiment at least has the advantages that：Temperature sensor provided in this embodiment, using two
A thermistor, wherein temperature sensing thermistors are used for accurate temperature measurements, and amplifying circuit is compared in the mating connection of temperature control thermistor
Temperature being compensated, to have the function that temperature control so that living electric apparatus does not occur intermittent heating during heating, because
And constant temperature is stablized, and user experience likability is effectively improved.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram for the temperature sensor that the utility model embodiment provides；
Fig. 2 is the assembling structure schematic diagram of temperature-sensitive shell, thermistor and internal frame that the utility model embodiment provides；
Fig. 3 is the phantom of Fig. 1.
Specific implementation mode
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
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Such as Fig. 1-Fig. 3, the utility model embodiment provides a kind of temperature sensor, including：
Temperature sensing thermistors 1, the temperature sensing thermistors 1 are connected with the first lead (having illustrated, do not mark)；
Temperature control thermistor 2, the temperature control thermistor 2 is connected with to be connected for the comparison amplifying circuit with peripheral hardware
The second lead 6；
Temperature-sensitive shell 4, inner surface of the temperature sensing thermistors 1 with the temperature control thermistor 2 with the temperature-sensitive shell 4 support
It connects, and insulating layer is equipped with to being less than at two abutting position.
Temperature sensor provided in this embodiment, using two thermistors, wherein temperature sensing thermistors 1 are for accurate
Measuring temperature, the mating connection of temperature control thermistor 2 is compared amplifying circuit and is compensated to temperature, to have the function that temperature control,
So that living electric apparatus does not occur intermittent heating during heating, thus constant temperature is stablized, and user experience is effectively improved
Likability.
The temperature-sensitive position of two thermistors is with 4 direct tight abutment of temperature-sensitive shell, it can be achieved that quick temperature-sensitive, the work of temperature control
With.Above-mentioned temperature-sensitive shell 4 is preferably plate-like component or is flat member, and one lateral plates are temperature surface, above-mentioned two heat
Quick resistance is abutted with its another lateral plates.Preferably, in being covered with 3 structure of high-temperature insulation film on the inner surface of the temperature-sensitive shell 4
At the insulating layer；High-temperature insulation film 3 makes while improving the pressure-resistant insulation performance between thermistor and temperature-sensitive shell 4
The distance between thermistor and temperature-sensitive shell 4 are closer to raising temperature-sensitive performance；As preferred embodiment, the high-temperature insulation
The thickness of film 3 is 0.04~0.07mm, and in the present embodiment, the thickness of the high-temperature insulation film 3 is 0.05mm, application effect compared with
It is good.Above-mentioned high-temperature insulation film 3 can be bought by market, be that those skilled in the art are easily obtained, such as conventional polytetrafluoro
Ethylene insulating film 3, PET film (high temperature resistance polyester film) etc..
Conventional comparison amplifying circuit can be used in the comparison amplifying circuit referred in above-described embodiment, is people in the art
Member is according to the prior art is easily designed or obtains, and it is not belonging to the structural member of temperature sensor provided in this embodiment,
Therefore its structure is not described further herein.
It is further preferred that above-mentioned temperature-sensitive shell 4 preferably uses aluminum hull, heat conductivility, high temperature resistance, wear-resisting property etc.
All preferably, temperature effect is preferable.Further, it is formed with anodic oxide coating in 4 outer surface of temperature-sensitive shell, it is wear-resisting that its can be enhanced
Performance, meanwhile, increase the aesthetic appearance of this temperature sensor；Wherein, preferably it is that stress peening processing is carried out to aluminum hull surface
Afterwards, black hard anodized is carried out, the wearability of the temperature-sensitive shell 4 can be effectively enhanced.
Such as Fig. 1 and Fig. 3, above-mentioned first lead and the second lead 6 are respectively connected with crimp type terminal and are equipped with modeling seat and (schemed
Show, do not mark).
The structure for connecting above-mentioned temperature sensor, such as Fig. 2 and Fig. 3, which further includes the internal frame 8 of tubulose,
The temperature-sensitive shell 4 connect and is enclosed with one end of the internal frame 8 and sets to form a host cavity, the temperature sensing thermistors 1 and the control
Warm thermistor 2 is contained in the host cavity and is connected as one by epoxy resin and the temperature-sensitive shell 4 and the internal frame 8
Body, first lead and second lead 6 are drawn from the other end of the internal frame 8.The internal frame 8 is preferably cylindrical tube
Shape, both ends open, above-mentioned temperature-sensitive shell 4 are covered on one end of the internal frame 8, it is preferable that the two is to be riveted on one by riveting piece
It rises.
The structure for advanced optimizing above-mentioned temperature sensor, such as Fig. 1 and Fig. 3, which further includes being suitable for assembly
To the outrigger 5 of application place, the internal frame 8 is arranged on the outrigger 5 and is assemblied in by assemble mechanism limit described outer
On frame 5.Also after connecting above-mentioned internal frame 8 with outrigger 5, by between the sensor installation position on outrigger 5 and electric appliance
Physical fit realizes the installation of the temperature sensor.Wherein, the outrigger 5 and internal frame 8 are preferably coaxial packages, i.e. the outrigger 5
Preferably it is cyclic structure/column structure；It is easy-to-understand to, above-mentioned temperature-sensitive shell 4 is exposed to except outrigger 5, to carry out
Contact temperature-sensitive.The effect of above-mentioned assemble mechanism is so that internal frame 8 links together with outrigger 5, prevents internal frame 8 de- with outrigger 5
From internal frame 8 can be to be fixedly connected with outrigger 5, or internal frame 8 can be movably connected with relative to outrigger 5.
In the present embodiment, coordinated using outrigger 5 and internal frame 8, the temperature sensor can be effectively improved at high temperature
Structural stability improves its heat resistance, to improve its service life.As preferred embodiment, internal frame 8, outrigger 5 are excellent
It is selected as using PPS plastic materials, superior mechanical strength can be still kept under high temperature, high corrosion environment, and can grow
Phase uses and keeps good architectural characteristic.
It is further preferred that such as Fig. 2 and Fig. 3, the one end of the internal frame 8 being connect with the temperature-sensitive shell 4 is radially
Protrusion is provided with the annular edge of a wing, and spring 7 is arranged with outside the internal frame 8, and the both ends of the spring 7 are connected to the annular wing respectively
On edge and the outrigger 5, the assemble mechanism is connect with the other end of the internal frame 8.Using the above structure, internal frame 8 can phase
Axial activity is made for outrigger 5, under the action of spring 7 so that temperature-sensitive shell 4 can continue reliably to support with thermometric point contact
It leans on, improves temperature effect.Wherein, such as Fig. 2 and Fig. 3, it is preferable that the above-mentioned edge of a wing preferably comprises radial section and axial direction part, the diameter
Extended outward to form to the outside wall surface of section from internal frame 8, the axial direction part then from the outer of the radial section along the axially extending of internal frame 8 and
At to which the annular edge of a wing is enclosed with 8 outside wall surface of internal frame to be set to form an annular groove, can accommodate above-mentioned spring 7；It needs to illustrate
, the above-mentioned annular edge of a wing and internal frame 8 is usually integrated formed structure.Correspondingly, such as Fig. 1 and Fig. 2, above-mentioned temperature-sensitive shell 4
It is preferred with the outer surface of the end face and the annular edge of a wing that can coat the internal frame 8.
It is further preferred that the situation of axial activity, above-mentioned dress can be made relative to outrigger 5 based on above-mentioned internal frame 8
One end that fitting mechanism is set to the separate temperature-sensitive shell 4 of internal frame 8 avoids internal frame 8 to be limited to the axial activity of internal frame 8
It is detached from 5 hollow cavity of outrigger.Such as Fig. 3, the assemble mechanism includes spacer pin 9, the separate sense of the internal frame 8
One end of warm shell 4 stretches out in outside the outrigger 5 and is correspondingly provided with pin hole, and the spacer pin 9 is plugged in the pin hole.It is preferred that
Ground, under 7 drift situation of spring, above-mentioned spacer pin 9 is just contacted with outrigger 5, when internal frame 8 is relative to 5 activity of outrigger,
Spring 7 is compressed, which moves towards the direction far from the outrigger 5.It is further preferred that in the corresponding position of outrigger 5
One limiting slot is set, which extends along the radial direction of outrigger 5, and under original state, wherein one end of the spacer pin 9 is located at
In the limiting slot, under the action of limiting slot, it can prevent internal frame 8 from rotating relative to outrigger 5；The spacer pin 9 it is another
One end, which can be bent, extends extended segment, which, thus can be with due to the inserting section part bending relative to the spacer pin 9
It prevents spacer pin 9 to be detached from out of pin hole, ensures the stability and reliability of structure, as the extended segment can be wound on internal frame 8
Deng.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of temperature sensor, which is characterized in that including：
Temperature sensing thermistors, the temperature sensing thermistors are connected with the first lead；
Temperature control thermistor, the temperature control thermistor are connected with second to be connected for the comparison amplifying circuit with peripheral hardware
Lead；
Temperature-sensitive shell, the temperature sensing thermistors are abutted with the inner surface of the temperature-sensitive shell with the temperature control thermistor, and extremely
Less than at two abutting position be equipped with insulating layer.
2. temperature sensor as described in claim 1, it is characterised in that：In being covered with high temperature resistant on the inner surface of the temperature-sensitive shell
Insulating film constitutes the insulating layer.
3. temperature sensor as claimed in claim 2, it is characterised in that：The thickness of the high-temperature insulation film be 0.04~
0.07mm。
4. temperature sensor as described in claim 1, it is characterised in that：Further include the internal frame of tubulose, the temperature-sensitive shell and institute
It states one end connection of internal frame and encloses and set to form a host cavity, the temperature sensing thermistors and the temperature control thermistor are contained in
It is connected as one in the host cavity and by epoxy resin and the temperature-sensitive shell and the internal frame, first lead and described
Second lead is drawn from the other end of the internal frame.
5. temperature sensor as claimed in claim 4, it is characterised in that：Further include the outrigger for being suitable for being assembled to application place,
The internal frame is arranged on the outrigger and is assemblied on the outrigger by assemble mechanism limit.
6. temperature sensor as claimed in claim 5, it is characterised in that：The one end of the internal frame being connect with the temperature-sensitive shell
Radially protrusion is provided with the annular edge of a wing, is arranged with spring outside the internal frame, the both ends of the spring are connected to institute respectively
It states on the annular edge of a wing and the outrigger, the assemble mechanism is connect with the other end of the internal frame.
7. such as temperature sensor described in claim 5 or 6, it is characterised in that：The assemble mechanism includes spacer pin, described interior
One end far from the temperature-sensitive shell of frame stretches out in outside the outrigger and is correspondingly provided with pin hole, and the spacer pin is plugged in the pin
In hole.
8. temperature sensor as described in claim 1, it is characterised in that：The temperature-sensitive shell is aluminum hull.
9. temperature sensor as claimed in claim 8, it is characterised in that：It is formed with anodic oxidation in temperature-sensitive shell outer surface
Layer.
10. temperature sensor as described in claim 1, it is characterised in that：First lead and second lead connect
It is connected to crimp type terminal and modeling seat is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820142781.1U CN207763846U (en) | 2018-01-29 | 2018-01-29 | Temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820142781.1U CN207763846U (en) | 2018-01-29 | 2018-01-29 | Temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207763846U true CN207763846U (en) | 2018-08-24 |
Family
ID=63182233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820142781.1U Active CN207763846U (en) | 2018-01-29 | 2018-01-29 | Temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207763846U (en) |
-
2018
- 2018-01-29 CN CN201820142781.1U patent/CN207763846U/en active Active
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