CN105361861B - A kind of electronic thermometer - Google Patents
A kind of electronic thermometer Download PDFInfo
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- CN105361861B CN105361861B CN201510901392.3A CN201510901392A CN105361861B CN 105361861 B CN105361861 B CN 105361861B CN 201510901392 A CN201510901392 A CN 201510901392A CN 105361861 B CN105361861 B CN 105361861B
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- film
- temperature sensor
- ntc temperature
- sucker
- electronic thermometer
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Abstract
The present invention is suitable for temperature measurement device field, provides a kind of electronic thermometer, comprising: sucker and the film-type NTC temperature sensor positioned at suction cup interior；The film-type NTC temperature sensor is the structure that NTC chip exterior is formed by polyurethane film hot pressing；The middle point of the polyurethane film is arranged in the NTC chip, and the exit of the film-type NTC temperature sensor is connect with the NTC chip；The both ends of the polyurethane film are symmetrically fixedly connected on the sucker, make the downward concave shape camber of the polyurethane film, and the exit is located at the bottom of the film-type NTC temperature sensor.By setting sucker and it is located at the curved film-type NTC temperature sensor of suction cup interior, in skin surface, internal curved film-type NTC temperature sensor is directly in close contact with skin sucker suction, and do not have to hand-held, stable connection will not move easily, ensure that the accuracy of thermometric.
Description
Technical field
The invention belongs to temperature measurement device field more particularly to a kind of electronic thermometers.
Background technique
As health is increasingly paid attention in the development and people of social senilization, body surface temperature can be detected real-time, quickly
Electronic thermometer be becoming increasingly popular.Traditional electronic thermometer need to hold measurement or be clamped in oxter measurement, when measurement
Between it is long.
NTC thermistor is one kind using transition metal oxide as main raw material(s), using made of electronic ceramic process
Thermal sensitive ceramics component has the characteristics that thermal time constant is low, thermometric is fireballing, therefore also has in the prior art using NTC temperature-sensitive
Temperature element of the resistance as clinical thermometer, such as a kind of entitled " electronic thermometer in ear-lobe position rapid survey " (application
Number: 201310035497.6, applying date: on January 30th, 2013) Chinese utility model patent disclosed in technical solution, lead to
It crosses metal thermal sensitive piece and is tightly attached to dermal harvest body temperature, the unencapsulated bare die of NTC thermistor is directly fastenedly connected with metal thermal sensitive piece,
Body temperature can be faster measured, but this type electronic thermometer still needs artificial hold to connect it closely with human body
Touching, it is big to will lead to test error after loosening, and especially accurately test infant's body temperature difficulty is very big.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of electronic thermometer, and the part of the prior art can at least be overcome to lack
It falls into.
The present embodiments relate to a kind of electronic thermometer, comprising: sucker and the film-type NTC temperature positioned at suction cup interior
Spend sensor；
The film-type NTC temperature sensor is the structure that NTC chip exterior is formed by polyurethane film hot pressing；
The middle point of the polyurethane film is arranged in the NTC chip, and the film-type NTC temperature sensor draws
Outlet is connect with the NTC chip；
The both ends of the polyurethane film are symmetrically fixedly connected on the sucker, make the polyurethane film to lower recess
Arc is formed, the exit is located at the bottom of the film-type NTC temperature sensor.
As a kind of electronic thermometer that embodiment one is related to, the sucker is plastic suckers.
The polyurethane film is rectangle sheet.
The middle point of the suction cup interior is provided with circuit board, and the both ends of the polyurethane film are fixed on the circuit
The two sides of plate make the circuit board and the film-type NTC temperature sensor realize electrical connection；
The circuit board includes test circuit, and the film-type NTC temperature sensor contacts body surface and perceives shell temperature,
The resistance value of film-type NTC temperature sensor described in the test circuit test.
The circuit board further includes Bluetooth signal transmitting module, and the electronic thermometer further includes external handheld device；
The external handheld device includes controller, bluetooth receiving module, computing module and display screen；
The resistance value is simultaneously passed through the signal by the resistance value of film-type NTC temperature sensor described in the test circuit measuring
Transmitting module is sent to the external handheld device；
The controller of the external handheld device controls the resistance value letter that the bluetooth receiving module receives the measurement
Breath controls the computing module according to the resistance value information and calculates temperature value, and carries out real-time display by the display screen, real
The body temperature of electronic thermometer measurement described in the existing external handheld device real-time display.
The circuit board is basic circuit board；
The film-type NTC temperature sensor is mounted on the downside of the base circuit board；
The test circuit and the Bluetooth signal transmitting module are mounted on the upside of the base circuit board, the sucker
Handle among gap；
The film-type NTC temperature sensor, the test circuit and the Bluetooth transmission module pass through the basis electricity
Road plate realizes signal transmission.
A kind of beneficial effect of electronic thermometer provided in an embodiment of the present invention includes:
A kind of electronic thermometer provided in an embodiment of the present invention by setting sucker and is located at the curved film of suction cup interior
Type NTC temperature sensor, sucker are made of soft materials such as plastics, and plastic suckers can be due to pressure when being pressed in human skin surface
Effect and be attracted to human skin surface, in skin surface, internal curved film-type NTC temperature passes sucker suction
Sensor is directly in close contact with skin, and does not have to hold, and stable connection will not move easily, ensure that the accuracy of thermometric,
Plastic suckers separate film-type NTC temperature sensor with body surface with ambient temperature simultaneously, further improve measuring accuracy, thin
Membranous type NTC temperature sensor has many advantages, such as that thermal time constant is low, thermometric speed is fast, bent, a kind of electricity provided by the invention
Sub- clinical thermometer, the material used is simple, low in cost, is easily attached to skin surface, and time constant is less than 1S, tests body surface temperature
The time is spent lower than 20S time constant less than 1S, and test body surface temperature-time is lower than 20S, can be widely applied to the body of children old man
Table temperature detection and real time monitoring.
Film-type NTC temperature sensor is mounted on the downside of base circuit board, tests circuit and Bluetooth signal transmitting module
It is mounted on the upside of base circuit board, i.e. gap among sucking disc handle, entire electronic thermometer structure is compact.
Measurement part and display portion are separated, the two is connected by Bluetooth communication, and keep measurement partial devices more compact,
Human skin can be preferably adsorbed on and carry out temperature taking, more convenient can obtain measurement temperature with the real-time display portion that passes through
Value.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of sectional view of electronic thermometer provided in an embodiment of the present invention；
Fig. 2 is a kind of sectional view at another visual angle of electronic thermometer provided in an embodiment of the present invention；
In figure, 1 is sucker, and 2 be circuit board, and 3 be NTC chip, and 4 be polyurethane film, and 5 be film-type NTC temperature sensing
Device.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
It is as shown in Figure 1 a kind of schematic cross-section of electronic thermometer provided by the invention, as shown in Figure 1, the electron
Temperature meter includes: sucker 1 and the film-type NTC temperature sensor 5 inside sucker 1.
Film-type NTC temperature sensor 5 is the structure formed outside NTC chip 3 by 4 hot pressing of polyurethane film, is made
Film-type NTC temperature sensor 5 is flexible, deformable.The middle point of polyurethane film 4, film-type is arranged in NTC chip 3
The exit of NTC temperature sensor 5 is connect with NTC chip 3.
The both ends of polyurethane film 4 are symmetrically fixedly connected on the suction cup 1, make the downward concave shape camber of polyurethane film 4,
Exit is located at the bottom of film-type NTC temperature sensor 5.
A kind of electronic thermometer provided in an embodiment of the present invention by setting sucker and is located at the curved film of suction cup interior
Type NTC temperature sensor, sucker are made of soft materials such as plastics, and plastic suckers can be due to pressure when being pressed in human skin surface
Effect and be attracted to human skin surface, in skin surface, internal curved film-type NTC temperature passes sucker suction
Sensor is directly in close contact with skin, and does not have to hold, and stable connection will not move easily, ensure that the accuracy of thermometric,
Plastic suckers separate film-type NTC temperature sensor with body surface with ambient temperature simultaneously, further improve measuring accuracy, thin
Membranous type NTC temperature sensor has many advantages, such as that thermal time constant is low, thermometric speed is fast, bent, a kind of electricity provided by the invention
Sub- clinical thermometer, the material used is simple, low in cost, is easily attached to skin surface, and time constant is less than 1S, tests body surface temperature
The time is spent lower than 20S time constant less than 1S, and test body surface temperature-time is lower than 20S, can be widely applied to the body of children old man
Table temperature detection and real time monitoring.
It is illustrated in figure 2 a kind of sectional view at another visual angle of electronic thermometer provided by the invention, the view of Fig. 1 and Fig. 2
Angular direction is mutually perpendicular to, and by Fig. 1 and Fig. 2 it is found that further, in embodiments of the present invention, the middle point inside sucker 1 is set
It is equipped with circuit board 2, polyurethane film 4 is rectangle sheet, and the both ends of polyurethane film 4 are fixed on the two sides of circuit board 2, make electricity
Road plate 2 and film-type NTC temperature sensor 5 realize electrical connection.
The circuit board 2 includes test circuit, and film-type NTC temperature sensor 5 contacts body surface and perceives shell temperature, the survey
Try the resistance value of circuit test film-type NTC temperature sensor 5.
Preferably, which further includes Bluetooth signal transmitting module, which further includes that external hold sets
It is standby.The outside handheld device includes controller, bluetooth receiving module, computing module and display screen.
It tests the resistance value of circuit measuring film-type NTC temperature sensor 5 and sends the resistance value by signal emission module
To external handheld device.
The controller control bluetooth receiving module of external handheld device receives the resistance value information of the measurement, controls computing module
Temperature value is calculated according to the resistance value information, and real-time display is carried out by display screen, realizes external handheld device real-time display
The body temperature of electronic thermometer measurement.
In specific implementation, circuit board circuit board, film-type NTC temperature sensor can be mounted on base circuit board based on
Downside, test the upside that circuit and Bluetooth signal transmitting module are mounted on base circuit board, i.e. gap among sucking disc handle
Place, film-type NTC temperature sensor, test circuit and Bluetooth transmission module realize signal transmission by the base circuit board, full
The compactedness of the entire electronic thermometer structure of foot.
A kind of electronic thermometer provided by the invention separates measurement part and display portion, and the two passes through Bluetooth communication
Connection keeps measurement partial devices more compact, can preferably be adsorbed on human skin and carry out temperature taking, can be more convenient and real
When pass through display portion obtain measurement temperature value.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. a kind of electronic thermometer, which is characterized in that the electronic thermometer includes: sucker and the film-type positioned at suction cup interior
NTC temperature sensor；
The film-type NTC temperature sensor is the structure that NTC chip exterior is formed by polyurethane film hot pressing；
The middle point of the polyurethane film, the exit of the film-type NTC temperature sensor is arranged in the NTC chip
It is connect with the NTC chip；
The both ends of the polyurethane film are symmetrically fixedly connected on the sucker, and the polyurethane film is made to be recessed to be formed downwards
Arc, the exit are located at the bottom of the film-type NTC temperature sensor；
Sucker when being pressed in human skin surface can due to pressure effect and be attracted to human skin surface, sucker suction is in skin
When skin surface, the curved film-type NTC temperature sensor of suction cup interior is directly in close contact with skin, and does not have to hold,
Stable connection will not move easily, ensure that the accuracy of thermometric；The polyurethane film is rectangle sheet.
2. electronic thermometer as described in claim 1, which is characterized in that the sucker is plastic suckers.
3. electronic thermometer as described in claim 1, which is characterized in that the middle point of the suction cup interior is provided with circuit
Plate, the both ends of the polyurethane film are fixed on the two sides of the circuit board, make the circuit board and the film-type NTC temperature
Sensor realizes electrical connection；
The circuit board includes test circuit, and the film-type NTC temperature sensor contacts body surface and perceives shell temperature, described
Test the resistance value of film-type NTC temperature sensor described in circuit test.
4. electronic thermometer as claimed in claim 3, which is characterized in that the circuit board further includes Bluetooth signal transmitting mould
Block, the electronic thermometer further include external handheld device；
The external handheld device includes controller, bluetooth receiving module, computing module and display screen；
The resistance value is simultaneously passed through the Bluetooth signal by the resistance value of film-type NTC temperature sensor described in the test circuit measuring
Transmitting module is sent to the external handheld device；
The controller of the external handheld device controls the resistance value information that the bluetooth receiving module receives the measurement, controls
It makes the computing module and temperature value is calculated according to the resistance value information, and real-time display is carried out by the display screen, realize institute
State the body temperature of the measurement of electronic thermometer described in external handheld device real-time display.
5. electronic thermometer as claimed in claim 4, which is characterized in that the circuit board is basic circuit board；
The film-type NTC temperature sensor is mounted on the downside of the base circuit board；
The test circuit and the Bluetooth signal transmitting module are mounted on the upside of the base circuit board, the handle of the sucker
Gap among hand；
The film-type NTC temperature sensor, the test circuit and the Bluetooth signal transmitting module pass through the basis electricity
Road plate realizes signal transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510901392.3A CN105361861B (en) | 2015-12-08 | 2015-12-08 | A kind of electronic thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510901392.3A CN105361861B (en) | 2015-12-08 | 2015-12-08 | A kind of electronic thermometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105361861A CN105361861A (en) | 2016-03-02 |
| CN105361861B true CN105361861B (en) | 2019-01-04 |
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ID=55364857
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510901392.3A Active CN105361861B (en) | 2015-12-08 | 2015-12-08 | A kind of electronic thermometer |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143343A (en) * | 2016-08-24 | 2016-11-23 | 无锡恒腾精密机械有限公司 | A kind of shock proof automobile engine protection cap |
| CN108784668A (en) * | 2018-04-16 | 2018-11-13 | 无锡市人民医院 | A kind of point-to-point interactive system of intelligent shield trouble with state of an illness Risk-warning function |
| CN108663133A (en) * | 2018-05-10 | 2018-10-16 | 佛山市幻实科技有限公司 | A kind of absorption type oxter electronic thermometer |
| CN108937868B (en) * | 2018-07-12 | 2021-07-13 | 南京棠邑科创服务有限公司 | External protection device for biological signal acquisition |
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| JP2003254824A (en) * | 2002-03-05 | 2003-09-10 | Seiko Epson Corp | Infrared sensor device, non-contacting temperature measuring instrument, and non-contacting clinical thermometer |
| CN102636284A (en) * | 2012-05-14 | 2012-08-15 | 花国樑 | NTC (negative temperature coefficient) surface temperature-measuring temperature sensor |
| CN104068831A (en) * | 2014-01-17 | 2014-10-01 | 胡晓存 | Intelligent thermometer |
| CN104161497A (en) * | 2013-05-17 | 2014-11-26 | 黄首征 | Isolated skin temperature collection device |
| CN104799833A (en) * | 2015-05-27 | 2015-07-29 | 成都禾睿电子产品有限公司 | Electronic baby thermometer |
| CN205411158U (en) * | 2015-12-08 | 2016-08-03 | 孝感华工高理电子有限公司 | Electronic clinical thermometer |
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2015
- 2015-12-08 CN CN201510901392.3A patent/CN105361861B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003254824A (en) * | 2002-03-05 | 2003-09-10 | Seiko Epson Corp | Infrared sensor device, non-contacting temperature measuring instrument, and non-contacting clinical thermometer |
| CN102636284A (en) * | 2012-05-14 | 2012-08-15 | 花国樑 | NTC (negative temperature coefficient) surface temperature-measuring temperature sensor |
| CN104161497A (en) * | 2013-05-17 | 2014-11-26 | 黄首征 | Isolated skin temperature collection device |
| CN104068831A (en) * | 2014-01-17 | 2014-10-01 | 胡晓存 | Intelligent thermometer |
| CN104799833A (en) * | 2015-05-27 | 2015-07-29 | 成都禾睿电子产品有限公司 | Electronic baby thermometer |
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| CN105361861A (en) | 2016-03-02 |
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