CN206399552U - A kind of temperature sensor - Google Patents
A kind of temperature sensor Download PDFInfo
- Publication number
- CN206399552U CN206399552U CN201720023659.8U CN201720023659U CN206399552U CN 206399552 U CN206399552 U CN 206399552U CN 201720023659 U CN201720023659 U CN 201720023659U CN 206399552 U CN206399552 U CN 206399552U
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- China
- Prior art keywords
- sensor element
- contact detecting
- temperature sensor
- heat
- sensor
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Abstract
The utility model discloses a kind of temperature sensor, it is related to sensor field, including containment vessel, detect base, fixed seat and binding post, the detection base is located at containment vessel bottom, circuit board and wire are provided with the containment vessel, the circuit board connects binding post by wire, the detection base includes contact detecting and infrared detection portion, insulating barrier is provided between contact detecting and the infrared detection portion, the contact detecting includes first sensor element and heat-conducting cream, the heat-conducting cream is filled in inside contact detecting, the infrared detection portion includes second sensor element and air layer, the first sensor element and second sensor element connect circuit board by wire respectively, the fixed seat is located at detection base top, the fixed seat is provided with fixing nut, this kind of temperature sensor can be measured by two kinds of different modes, avoid the temperature detection when sensor contacts are bad inaccurate, and it is excellent to insulate, it is safe and reliable, it is worthy to be popularized.
Description
Technical field
The utility model is related to sensor field, and in particular to a kind of temperature sensor.
Background technology
Temperature sensor, is the basic element of character of heating charge by measure, the quality of its quality, precision is to determine heat energy meter just
Amount is accurately basic.For in the ordinary temp sensor of water heater, due to structure type and raw material, often occurring
Temperature sensor reaction speed is slack-off, the phenomenon of reliability step-down.To find out its cause, being sensing element used in temperature sensor
Part protects shell.In design for temperature sensor development process, if sensing element protects shell mechanism or material selection not
When, can make sensing element occur loosenings, displacement, come off, defective insulation, it is poorly sealed, make moist by the phenomenon such as wet so that cause biography
Sensing unit is to the sensitivity step-down of temperature, and reaction speed is slack-off, and then has influence on the reliability and service life of temperature sensor.
The content of the invention
The purpose of this utility model is to provide a kind of temperature sensor, caused above-mentioned multinomial in the prior art to solve
Defect.
A kind of temperature sensor, including containment vessel, detection base, fixed seat and binding post, the detection base are located at
Circuit board and wire are provided with containment vessel bottom, the containment vessel, the circuit board connects binding post, the inspection by wire
Surveying base includes being provided with insulating barrier between contact detecting and infrared detection portion, contact detecting and the infrared detection portion,
The contact detecting includes first sensor element and heat-conducting cream, and the heat-conducting cream is filled in inside contact detecting, described
Infrared detection portion includes second sensor element and air layer, and the first sensor element and second sensor element lead to respectively
Wire connection circuit board is crossed, the fixed seat is provided with fixing nut located at detection base top, the fixed seat.
It is preferred that, the first sensor element and second sensor element are thermistor element, the heat-conducting cream
Specially a kind of model G-751 heat-conducting silicone grease.
It is preferred that, detection bottom bottom is provided with glass cover-plate, and the glass cover-plate corresponds to contact detecting side
It is coated with black enamelled coating.
It is preferred that, the binding post is provided with indicator lamp, the indicator connecting circuit plate.
It is preferred that, the first sensor element and second sensor element-external are coated with epoxy resin layer.
The beneficial effects of the utility model：This kind of temperature sensor, by this kind of structure design, operating personnel are by the temperature
The detection base of sensor is inserted into detected material body, is then fixed by fixed seat, by contact detecting and infrared
Test section can respectively by contacting when temperature propagation and object produce infrared detection temperature, in contact detecting and object
In the case of insufficient contact, caused temperature detection error can be made up by infrared detection portion, pass through two kinds of not Tongfangs
The detection of formula, obtains different temperature values and is referred to and analyzed and then draw more accurate result, the temperature sensor is exhausted
Edge is excellent, moistureproof moisture-proof, and testing result is accurate, is worthy to be popularized, the first sensor element and second sensor element are equal
For thermistor element, the heat-conducting cream is specially a kind of model G-751 heat-conducting silicone grease, is detected by thermistor element
The change of temperature is simultaneously reflected into the conversion of resistance and supplies electric circuit inspection, can be abundant by the good heat-conducting silicone grease of heat conductivility
Ground transfers heat to first sensor element, and detection bottom bottom is provided with glass cover-plate, and the glass cover-plate corresponds to
Contact detecting side is coated with black enamelled coating, by the infrared masking to contact detecting, can more accurately carry out pair
According to detection, the binding post is provided with indicator lamp, and the indicator connecting circuit plate can point out to detect shape by indicator lamp
State, the first sensor element and second sensor element-external are coated with epoxy resin layer, can be with by epoxy resin layer
Avoiding first sensor element and second sensor element from making moist causes accuracy of detection to decline.
Brief description of the drawings
Fig. 1 is a kind of structural representation of temperature sensor described in the utility model.
Fig. 2 is a kind of top view of temperature sensor described in the utility model.
Wherein：1-containment vessel, 2-detection base, 3-fixed seat, 4-binding post, 5-circuit board, 6-wire,
7-contact detecting, 8-infrared detection portion, 9-insulating barrier, 10-first sensor element, 11-heat-conducting cream, 12-the
Two sensor elements, 13-air layer, 14-fixing nut, 15-glass cover-plate, 16-indicator lamp.
Embodiment
To be easy to understand technological means, creation characteristic, reached purpose and effect of the utility model realization, below
With reference to embodiment, the utility model is expanded on further.
As depicted in figs. 1 and 2, a kind of temperature sensor, including containment vessel 1, detection base 2, fixed seat 3 and binding post
4, the detection base 2, which is located in the bottom of containment vessel 1, the containment vessel 1, is provided with circuit board 5 and wire 6, and the circuit board 5 leads to
The connection binding post 4 of wire 6 is crossed, the detection base 2 includes contact detecting 7 and infrared detection portion 8, the contact detecting
Insulating barrier 9 is provided between 7 and infrared detection portion 8, the contact detecting 7 includes first sensor element 10 and heat-conducting cream
11, the heat-conducting cream 11 is filled in inside contact detecting 7, and the infrared detection portion 8 includes second sensor element 12 and sky
Gas-bearing formation 13, the first sensor element 10 and second sensor element 12 connect circuit board 5 by wire 6 respectively, described solid
Reservation 3 is provided with fixing nut 14 located at detection base 2 top, the fixed seat 3.This kind of temperature sensor, is tied by this kind
Structure is designed, and the detection base 2 of the temperature sensor is inserted into detected material body by operating personnel, then solid by fixed seat 3
It is fixed live, by contact detecting 7 and infrared detection portion 8 can respectively by contacting when the infrared ray that produces of temperature propagation and object
Detection temperature, in the case where contact detecting 7 and object are insufficient contact, caused temperature detection error can be by infrared
Test section 8 makes up, and by two separate modes of detection, obtains different temperature values and is referred to and analyzed and then drawn more
Plus accurate result, excellent, the moistureproof moisture-proof of temperature sensor insulation, and testing result is accurate, is worthy to be popularized.
In the present embodiment, the first sensor element 10 and second sensor element 12 are thermistor element,
The heat-conducting cream 11 is specially a kind of model G-751 heat-conducting silicone grease, by the change of thermistor element detection temperature simultaneously
The conversion for being reflected into resistance supplies electric circuit inspection, can be fully by heat transfer by the good heat-conducting silicone grease of heat conductivility
To first sensor element 10, the bottom of detection bottom 2 is provided with glass cover-plate 15, and the glass cover-plate 15 corresponds to contact and examined
The side of survey portion 7 is coated with black enamelled coating, by the infrared masking to contact detecting 7, can more accurately carry out control inspection
Survey, the binding post 4 is provided with indicator lamp 16, the indicator lamp 16 connects circuit board 5, and inspection can be pointed out by indicator lamp 16
Survey state, the first sensor element 10 and second sensor element 12 are externally coated with epoxy resin layer, pass through asphalt mixtures modified by epoxy resin
Lipid layer, which can avoid first sensor element 10 and second sensor element 12 from making moist, causes accuracy of detection to decline.
Based on above-mentioned, the utility model by contact detecting and infrared detection portion can respectively by contacting when temperature pass
The infrared detection temperature produced with object is broadcast, can be by infrared in the case where contact detecting and object are insufficient contact
Test section makes up, and obtains different temperature values and is referred to and analyzed and then draw more accurate result, the TEMP
Excellent, the moistureproof moisture-proof of device insulation, and testing result is accurate, is worthy to be popularized.
As known by the technical knowledge, the utility model can be by the realities of other essence or essential feature without departing from its spirit
Scheme is applied to realize.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only
's.All changes in the range of the utility model or in the range of the utility model is equal to are by the utility model bag
Contain.
Claims (5)
1. a kind of temperature sensor, it is characterised in that including containment vessel, detection base, fixed seat and binding post, the detection
Base, which is located in containment vessel bottom, the containment vessel, is provided with circuit board and wire, and the circuit board connects terminals by wire
Son, the detection base includes being provided between contact detecting and infrared detection portion, contact detecting and the infrared detection portion
Insulating barrier, the contact detecting includes first sensor element and heat-conducting cream, and the heat-conducting cream is filled in contact detecting
Inside, the infrared detection portion includes second sensor element and air layer, the first sensor element and second sensor
Element connects circuit board by wire respectively, and the fixed seat is located at detection base top, and the fixed seat is provided with fixed spiral shell
It is female.
2. a kind of temperature sensor according to claim 1, it is characterised in that：The first sensor element and second is passed
Sensor component is thermistor element, and the heat-conducting cream is specially a kind of model G-751 heat-conducting silicone grease.
3. a kind of temperature sensor according to claim 1, it is characterised in that：Detection bottom bottom is provided with glass cover
Plate, the glass cover-plate is coated with black enamelled coating corresponding to contact detecting side.
4. a kind of temperature sensor according to claim 1, it is characterised in that：The binding post is provided with indicator lamp,
The indicator connecting circuit plate.
5. a kind of temperature sensor according to claim 1, it is characterised in that：The first sensor element and second is passed
Sensor component is externally coated with epoxy resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720023659.8U CN206399552U (en) | 2017-01-10 | 2017-01-10 | A kind of temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720023659.8U CN206399552U (en) | 2017-01-10 | 2017-01-10 | A kind of temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206399552U true CN206399552U (en) | 2017-08-11 |
Family
ID=59513154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720023659.8U Expired - Fee Related CN206399552U (en) | 2017-01-10 | 2017-01-10 | A kind of temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206399552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132104A (en) * | 2018-01-30 | 2018-06-08 | 辽宁奥美科技有限公司 | A kind of clinical thermometer |
-
2017
- 2017-01-10 CN CN201720023659.8U patent/CN206399552U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132104A (en) * | 2018-01-30 | 2018-06-08 | 辽宁奥美科技有限公司 | A kind of clinical thermometer |
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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: 20170811 Termination date: 20180110 |