CN205748698U - A kind of New temperature sensor - Google Patents
A kind of New temperature sensor Download PDFInfo
- Publication number
- CN205748698U CN205748698U CN201620476466.3U CN201620476466U CN205748698U CN 205748698 U CN205748698 U CN 205748698U CN 201620476466 U CN201620476466 U CN 201620476466U CN 205748698 U CN205748698 U CN 205748698U
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- themistor
- ntc
- temperature sensor
- ptc
- new temperature
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Abstract
The utility model discloses a kind of New temperature sensor, including PTC themistor, the first NTC themistor and the second NTC themistor, first end of described first NTC themistor is as the first end of described New temperature sensor, second end of described first NTC themistor the first end with the first end of described PTC themistor and described second NTC themistor respectively is connected, the second end of described PTC themistor and the second end of described second NTC themistor be connected with each other after as the second end of described New temperature sensor.This utility model is linked together by the way of two NTC themistors and a PTC themistor being combined by series connection and parallel connection, preferable resistance temperature curve can also be shown at different temperatures, even if at 60 DEG C and 100 DEG C, the resistance temperature curve of this New temperature sensor does not haves flex point yet, expands the range of application of temperature sensor.
Description
Technical field
This utility model relates to a kind of temperature sensor, particularly relates to one and all can show ideal under high temperature and low temperature
The New temperature sensor of resistance-temperature curve.
Background technology
Temperature sensor (temperature transducer) refers to experience temperature and be converted into usable output signal
Sensor.Applying more temperature sensor at present is thermal resistor, and thermal resistor is that resistance value on temperature is the quickest
A kind of resistor of sense, is also semiconductor thermistor device.More thermal resistor is applied to include PTC themistor at present
And NTC themistor, the former PTC is the contracting of the Positive i.e. positive temperature coefficient of Temperature Coefficient
Writing, PTC themistor is positive temperature coefficient thermistor；The NTC of the latter is English Negative Temperature
The Coefficient i.e. abbreviation of negative temperature coefficient, NTC themistor is negative temperature coefficient thermistor, be a kind of with
Transition metal oxide is main raw material(s), uses the thermal sensitive ceramics assembly that electronic ceramic process is made.
But, single PTC themistor or NTC themistor show single NTC curvilinear characteristic or PTC
Curvilinear characteristic, and single NTC curvilinear characteristic or PTC curvilinear characteristic be difficult at different temperatures to show preferable resistance-
Temperature curve, in the whole temperature range of high temperature to low temperature, temperature-coefficient of electrical resistance changes greatly, especially at 60 DEG C and 100
DEG C, single NTC curve or PTC curve there will be obvious flex point.So, single PTC themistor or NTC temperature-sensitive electricity
The range of application of resistance device is restricted.
Utility model content
The purpose of this utility model is that provides a kind of equal energy table under high temperature and low temperature to solve the problems referred to above
Reveal the New temperature sensor of preferable resistance-temperature curve.
This utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of New temperature sensor, including PTC themistor, also includes the first NTC themistor and the 2nd NTC
Thermal resistor, the first end of described first NTC themistor as the first end of described New temperature sensor, described
Second end of one NTC themistor respectively with the first end of described PTC themistor and described second NTC themistor
First end connect, the second end of described PTC themistor and the second end of described second NTC themistor are connected with each other
Afterwards as the second end of described New temperature sensor.
As preferably, described New temperature sensor also include encapsulation main body, tinned wird, politef wire,
One terminals, the second terminals and plug connector, the second end of described first NTC themistor and described PTC themistor
The first end between, between the second end of described first NTC themistor and the first end of described second NTC themistor
Connected by described tinned wird, the second end of described second NTC themistor, the second end of described PTC themistor
And between described second terminals, lead to respectively between the first end of described first NTC themistor and described first terminals
Cross described politef wire to connect, described first NTC themistor, described second NTC themistor, described PTC
Thermal resistor, described tinned wird and described politef wire are placed in described encapsulation main body, described encapsulation main body
Being formed by epoxy resin encapsulated, described first terminals and described second terminals are located in the cavity of described plug connector.
The beneficial effects of the utility model are:
This utility model is by and and connecting two NTC themistors and a PTC themistor by series connection
Close mode link together, preferable resistance-temperature curve can also be shown at different temperatures, though 60 DEG C with
100 DEG C, the resistance-temperature curve of this New temperature sensor does not haves flex point yet, expands the application model of temperature sensor
Enclose；By using high-insulativity wire and encapsulating structure, strengthen the stability of chip contacts, while optimizing product structure
Improve the reliability of product.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of New temperature sensor described in the utility model, shows internal structure in figure；
Fig. 2 is the equivalent circuit diagram of New temperature sensor described in the utility model.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings:
As depicted in figs. 1 and 2, New temperature sensor described in the utility model includes PTC themistor the 4, the oneth NTC
Thermal resistor the 2, second NTC themistor 5, encapsulation main body 6, tinned wird 3, politef wire the 8, first terminals
1, the second terminals 9 and plug connector 10, the first end of the first NTC themistor 2 is connected to the by politef wire 8
As the first end of described New temperature sensor after one terminals 1, the second end of the first NTC themistor 2 respectively with PTC
First end of thermal resistor 4 and the first end of the second NTC themistor 5 are connected by tinned wird 3, PTC thermistor
Second end of device 4 and the second end of the second NTC themistor 5 are connected with each other and by poly-four by politef wire 8
Fluorothene wire 8 is connected to the second end after the second terminals 9 as described New temperature sensor；First NTC thermistor
Device the 2, second NTC themistor 5, PTC themistor 4, tinned wird 3 and politef wire 8 are placed in encapsulation originally
In body 6, encapsulation main body 6 is formed by epoxy resin 7 embedding, and the first terminals 1 and the second terminals 9 are located at the cavity of plug connector 10
In.
By by PTC themistor the 4, first NTC themistor the 2, second NTC themistor 5 by series connection and
The mode of Hybrid connections in parallel links together, and can also show preferable resistance-temperature curve at different temperatures, even if
At 60 DEG C and 100 DEG C, the resistance-temperature curve of this New temperature sensor does not haves flex point yet.
Above-described embodiment is preferred embodiment of the present utility model, is not the limit to technical solutions of the utility model
System, as long as the technical scheme that can realize on the basis of above-described embodiment without creative work, is regarded as falling into
In the range of the rights protection of this utility model patent.
Claims (2)
1. a New temperature sensor, including PTC themistor, it is characterised in that: also include the first NTC themistor
With the second NTC themistor, the first end of described first NTC themistor is as the first of described New temperature sensor
End, the second end of described first NTC themistor respectively with the first end of described PTC themistor and described 2nd NTC
First end of thermal resistor connects, the second end of described PTC themistor and the second of described second NTC themistor
Hold the second end as described New temperature sensor after being connected with each other.
New temperature sensor the most according to claim 1, it is characterised in that: described New temperature sensor also includes envelope
Dress body, tinned wird, politef wire, the first terminals, the second terminals and plug connector, a described NTC temperature-sensitive
Between second end and first end of described PTC themistor of resistor, the second end of described first NTC themistor with
Connected by described tinned wird between first end of described second NTC themistor, described second NTC themistor
Between second end, the second end of described PTC themistor and described second terminals, described first NTC themistor
It is connected by described politef wire respectively between first end with described first terminals, described first NTC thermistor
Device, described second NTC themistor, described PTC themistor, described tinned wird and described politef wire are equal
Being placed in described encapsulation main body, described encapsulation main body is formed by epoxy resin encapsulated, and described first terminals and described second connect
Line end is located in the cavity of described plug connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620476466.3U CN205748698U (en) | 2016-05-24 | 2016-05-24 | A kind of New temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620476466.3U CN205748698U (en) | 2016-05-24 | 2016-05-24 | A kind of New temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205748698U true CN205748698U (en) | 2016-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620476466.3U Active CN205748698U (en) | 2016-05-24 | 2016-05-24 | A kind of New temperature sensor |
Country Status (1)
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| CN (1) | CN205748698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132446A (en) * | 2019-05-27 | 2019-08-16 | 电子科技大学 | A kind of electromagnetic oven temp measuring system based on the load super surface of thermistor electromagnetism |
-
2016
- 2016-05-24 CN CN201620476466.3U patent/CN205748698U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132446A (en) * | 2019-05-27 | 2019-08-16 | 电子科技大学 | A kind of electromagnetic oven temp measuring system based on the load super surface of thermistor electromagnetism |
| CN110132446B (en) * | 2019-05-27 | 2020-07-21 | 电子科技大学 | Electromagnetic oven temperature measurement system based on loading thermistor electromagnetic super-surface |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |