CN208476409U - A kind of Non-contact thermometer - Google Patents
A kind of Non-contact thermometer Download PDFInfo
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- CN208476409U CN208476409U CN201821077416.3U CN201821077416U CN208476409U CN 208476409 U CN208476409 U CN 208476409U CN 201821077416 U CN201821077416 U CN 201821077416U CN 208476409 U CN208476409 U CN 208476409U
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- temperature measurement
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Abstract
The utility model belongs to medical instruments field, more specifically it is related to a kind of Non-contact thermometer, its drip irrigation device includes shell and the temperature measurement module being disposed in the housing, further include: range sensor, set on housing exterior walls and for detecting shell at a distance from human body and exporting detection signal；Decision circuitry, is coupled to the range sensor output end to receive detection signal, interior to be equipped with first reference value and the second a reference value, according to the different judgement signals of detected signal value and first reference value, the comparison result output of the second a reference value；Execution circuit is coupled to decision circuitry and responds judgement signal, and for controlling the work of the temperature measurement module, when detected signal value is between first reference value and the second a reference value, execution circuit starts the temperature measurement module.The utility model has the distance range for accurately controlling thermometric, improves the effect of thermometric accuracy.
Description
Technical field
The utility model belongs to medical instruments field, and more specifically it is related to a kind of Non-contact thermometer.
Background technique
Currently, the Chinese patent that notification number is CN204133440U discloses a kind of non-contact infrared body temperature meter, including
Non-contact infrared temperature sensor, temperature-difference thermoelectric heap amplifying circuit, temperature-compensating and amplifying circuit, A/D converter circuit, master control
Circuit, display circuit and warning circuit, non-contact infrared temperature sensor respectively with temperature-difference thermoelectric heap amplifying circuit and
Temperature-compensating and amplifying circuit are connected, and temperature-difference thermoelectric heap amplifying circuit and temperature-compensating and amplifying circuit, which are connected, to be connected respectively to
A/D converter circuit, A/D converter circuit are connected with governor circuit, and governor circuit is connected with display circuit and warning circuit.
The prior art is similar to above-mentioned non-contact infrared body temperature meter, and non-contact infrared temperature sensor receives human body spoke
The infrared ray penetrated, and convert to corresponding electric signal, display circuit is made a response with the short period, shows real time temperature, is made
With conveniently.But hand held noncontact infrared thermometer, temperature measuring distance can not be accurately controlled, thermometric misalignment is easy to cause.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of Non-contact thermometer,
Advantage is to accurately control the distance range of thermometric, raising thermometric accuracy.
To achieve the above object, the utility model provides following technical solution: a kind of Non-contact thermometer, including shell
Body and the temperature measurement module being disposed in the housing, further includes: range sensor, set on housing exterior walls and for detect shell with
The distance of human body simultaneously exports detection signal；Decision circuitry, is coupled to the range sensor output end to receive detection signal, interior
It is defeated according to detected signal value and the comparison result of first reference value, the second a reference value equipped with first reference value and the second a reference value
Different judgement signals out；Execution circuit is coupled to decision circuitry and responds judgement signal, for controlling the work of the temperature measurement module
Make, when detected signal value is between first reference value and the second a reference value, execution circuit starts the temperature measurement module.
By using above-mentioned technical proposal, range sensor is right against human body to be measured when use, thus accurately measure away from
From the distance between sensor and human body；First reference value and the second a reference value respectively correspond two apart from node, according to distance
Detected value exports different judgement signals from the comparison result of first reference value, the second a reference value, when clinical thermometer be located at two away from
When between node, decision circuitry output judges signal accordingly, so that execution circuit starts temperature measurement module, temperature measurement module is automatic
Start to measure, accurately control the distance range of thermometric, improves thermometric accuracy.
The utility model is further arranged to: the decision circuitry includes: short distance comparison circuit, is coupled to the distance
Sensor output is to receive detection signal, for comparing the size relation of detected signal value and first reference value and exporting first
Comparison signal；Remote comparison circuit is coupled to the range sensor output end to receive detection signal, for comparing detection
The size relation of signal value and the second a reference value simultaneously exports the second comparison signal；Control circuit is coupled to short distance comparison circuit
With remote comparison circuit to receive the first comparison signal and the second comparison signal, and export judgement signal.
It will test signal point with first reference value and the second a reference value for two nodes by using above-mentioned technical proposal
For three ranks, when detected signal value is between first reference value and the second a reference value, control circuit judges clinical thermometer
There are suitable distances between human body, can carry out thermometric.
The utility model is further arranged to: the range sensor is infrared distance sensor, including infrared transmitter
And reception diode.
By using above-mentioned technical proposal, infrared distance sensor is emitted using infrared ray as medium using infrared transmitter
A branch of infrared light is received after emitting on human body by reception diode, and the response time is short, and measurement accuracy is high.
The utility model is further arranged to: the housing sidewall is equipped on & off switch, and the on & off switch is electrically connected to institute
State range sensor.
By using above-mentioned technical proposal, on & off switch is connected to range sensor and power supply, hand control switch
Key can only start range sensor when needed, to carry out the measurement of temperature.
The utility model is further arranged to: the on & off switch is push button switch.
By using above-mentioned technical proposal, on & off switch can automatically reset, and hand restPoses after unclamping, and facilitate control
The power on/off of range sensor.
The utility model is further arranged to: the shell includes the protective shell and hand for storing the temperature measurement module
Handle, the on & off switch are placed on the handle.
By using above-mentioned technical proposal, all electronic components, which are placed in protective shell, to be protected, reduce it is extraneous because
Destruction of the element to electronic component；Handle is held for user by clinical thermometer, is easy to use.
The utility model is further arranged to: several grip slots are offered on the handle.
By using above-mentioned technical proposal, finger can be caught in grip slot by user, hold convenient for stabilization by clinical thermometer, have
Effect protection clinical thermometer, avoids clinical thermometer landing from breaking.
The utility model is further arranged to: the temperature measurement module includes the display screen for being embedded at the protection shell side wall.
By using above-mentioned technical proposal, display screen is electrically connected to temperature measurement module, the measured temperature value of intuitive display,
Convenient for checking.
In conclusion the utility model has the advantage that
1, first reference value and the second a reference value respectively correspond two apart from node, limit clinical thermometer and human body to be measured
Distance range；
2, the measurement that on & off switch starts distance is pressed manually, on & off switch can automatically reset, and hand restores initial after unclamping
State facilitates the power on/off of command range sensor；
3, measurement temperature, easy-to-read are intuitively shown using display screen.
Detailed description of the invention
Fig. 1 is the present embodiment overall structure diagram；
Fig. 2 is circuit connection diagram in the present embodiment.
Description of symbols: 1, shell；2, protective shell；3, handle；4, grip slot；5, temperature measurement module；6, display screen；7, away from
From sensor；8, on & off switch；9, decision circuitry；10, execution circuit；11, photoelectrical coupler；12, battery pack；13, short distance ratio
Compared with circuit；14, remote comparison circuit；15, control circuit.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment, a kind of Non-contact thermometer, as shown in Figure 1 and Figure 2, the thermometric mould including shell 1, in shell 1
Block 5 and the range finder module to work for controlling temperature measurement module 5.Further, shell 1 includes for storing temperature measurement module 5
With the protective shell 2 of range finder module and the handle 3 being fixedly connected on outside protective shell 2.
Electronic component in 2 effective protection temperature measurement module 5 of protective shell and range finder module, reduces the destruction of external environment；
3 person of being convenient to use of handle holds by clinical thermometer.Range finder module works as body temperature for measuring the distance between clinical thermometer and human body to be measured
When meter is apart from 5 ~ 8cm of human body, range finder module starts temperature measurement module 5 automatically, improves the accuracy of measurement temperature.
As shown in Figure 1,3 outer wall of handle offers grip slot 4.Finger can be caught in grip slot 4 by user, convenient for stablizing
It holds and takes clinical thermometer, effective protection clinical thermometer avoids clinical thermometer landing from breaking.
As shown in Figure 1 and Figure 2, range finder module includes range sensor 7, decision circuitry 9 and execution circuit 10.Wherein, distance
Sensor 7 is set to 1 outer wall of shell and for detecting shell 1 at a distance from human body, and exports detection signal.Decision circuitry 9 couples
It is interior to be equipped with first reference value and the second a reference value in 7 output end of range sensor to receive detection signal, believed according to detection
Number value judgement signal different with first reference value, the comparison result output of the second a reference value, wherein first reference value is 5cm, the
Two a reference values are 8cm.Execution circuit 10 is coupled to decision circuitry 9 and responds judgement signal, for controlling the temperature measurement module 5
Opening and closing, when detected signal value is between 5 ~ 8cm, execution circuit 10 starts the work of the temperature measurement module 5.
As shown in Fig. 2, specifically, range sensor 7 is in series with power supply and on & off switch 8, and hand control switch key 8 only can be
Start range sensor 7 when needing, to carry out the measurement of temperature.In the present embodiment, on & off switch 8 is opened for push button
It closes, and is embedded on handle 3.On & off switch 8 can automatically reset, and hand restPoses after unclamping, and command range is facilitated to sense
The power on/off of device 7.
In the present embodiment, range sensor 7 is infrared distance sensor, including infrared transmitter and reception diode.It is red
Outer distance measuring sensor emits a branch of infrared light using infrared ray as medium, using infrared transmitter, by receiving after emitting on human body
Diode is received, and the response time is short, and measurement accuracy is high.
As shown in Fig. 2, decision circuitry 9 includes short distance comparison circuit 13, remote comparison circuit 14 and control circuit
15.Wherein, short distance comparison circuit 13 is coupled to 7 output end of range sensor to receive detection signal, for comparing detection letter
Number value and the size relation of first reference value simultaneously export the first comparison signal.Remote comparison circuit 14 is coupled to range sensor
7 output ends are to receive detection signal, for comparing detected signal value compared with the size relation of the second a reference value and output second
Signal.Control circuit 15, be coupled to short distance comparison circuit 13 and remote comparison circuit 14 with receive the first comparison signal and
Second comparison signal, and export judgement signal.
Specifically, short distance comparison circuit 13 includes first comparator OA1.The inverting input terminal of first comparator OA1 connects
The first reference voltage Vref1 is met, non-inverting input terminal connects the output end of range sensor 7, wherein the first reference voltage Vref1
Corresponding first reference value.When the detection signal that range sensor 7 exports is greater than the first reference voltage Vref1, first comparator
OA1 exports high level.
Remote comparison circuit 14 includes the second comparator OA2.The non-inverting input terminal of second comparator OA2 connects the second base
Quasi- voltage Vref2, inverting input terminal connect the output end of range sensor 7, wherein the second reference voltage Vref2 corresponding second
A reference value.When the detection signal that range sensor 7 exports is less than the second reference voltage Vref2, the second comparator OA2 output is high
Level.
Control circuit 15 includes that circuit includes and door A1.Wherein, compared with being separately connected first with two input terminals of door A1
The output end of device OA1 and the second comparator OA2.When first comparator OA1 and the second comparator OA2 export high level, with
Door A1 exports high level；Otherwise, low level is exported with door A1.
As shown in Fig. 2, execution circuit 10 includes NPN type triode Q1, photoelectrical coupler 11 and battery pack 12.Wherein,
Photoelectrical coupler 11 includes light emitting diode D1 and photo resistance R1.Specifically, the connection of NPN type triode Q1 base stage is defeated with door A1
Outlet, emitter ground connection.The both ends light emitting diode D1 connect NPN type triode Q1 collector and power supply.Photo resistance R1 is successively
Series connection temperature measurement module 5 and battery pack 12.
When exporting high level with door A1, NPN type triode Q1 conducting, light emitting diode D1 electrified light emitting, photo resistance
R1 resistance decrease, battery pack 12 is connected to temperature measurement module 5, to start thermometric.When exporting low level with door A1, NPN type three
Pole pipe Q1 cut-off, light emitting diode D1 power-off, cuts off battery pack 12 and temperature measurement module 5, temperature measurement module 5 stop working.
As shown in Figure 1 and Figure 2, temperature measurement module 5 includes the display screen 6 being embedded on 2 side wall of protective shell, straight using display screen 6
The measured temperature value of display is seen, convenient for checking.
The course of work: gripping handles 3, and it is manually pressed by & off switch 8；Clinical thermometer is moved closer into human body to be measured, works as distance
Automatic to be closed thermometric switch when sensor 7 is apart from 5 ~ 8cm of human body, thermometric switch measures human body temperature and is shown in display screen 6
On；After trip switch key 8, on & off switch 8 automatically resets, and disconnects power supply and range sensor 7, completes thermometric.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel design concept, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model
Within the scope of.
Claims (8)
1. a kind of Non-contact thermometer, including shell (1) and the temperature measurement module (5) being set in the shell (1), feature
It is: further include:
Range sensor (7) is set to the shell (1) outer wall and for detecting the shell (1) at a distance from human body and output
Detect signal；
Decision circuitry (9), is coupled to the range sensor (7) output end to receive detection signal, interior to be equipped with first reference value
With the second a reference value, according to the different judgement signals of detected signal value and first reference value, the comparison result output of the second a reference value；
Execution circuit (10) is coupled to decision circuitry (9) and responds judgement signal, for controlling the work of the temperature measurement module (5)
Make, when detected signal value is between first reference value and the second a reference value, execution circuit (10) starts the temperature measurement module (5).
2. Non-contact thermometer according to claim 1, it is characterised in that: the decision circuitry (9) includes:
Short distance comparison circuit (13) is coupled to the range sensor (7) output end to receive detection signal, for comparing inspection
It surveys the size relation of signal value and first reference value and exports the first comparison signal；
Remote comparison circuit (14) is coupled to the range sensor (7) output end to receive detection signal, for comparing inspection
It surveys the size relation of signal value and the second a reference value and exports the second comparison signal；
Control circuit (15) is coupled to short distance comparison circuit (13) and remote comparison circuit (14) to receive first and compares letter
Number and the second comparison signal, and export judgement signal.
3. Non-contact thermometer according to claim 1, it is characterised in that: the range sensor (7) is infrared survey
Away from sensor, including infrared transmitter and reception diode.
4. Non-contact thermometer according to claim 1, it is characterised in that: shell (1) side wall is equipped with switch
Key (8), the on & off switch (8) are electrically connected to the range sensor (7).
5. Non-contact thermometer according to claim 4, it is characterised in that: the on & off switch (8) be automatically reset by
Button switch.
6. Non-contact thermometer according to claim 4, it is characterised in that: the shell (1) includes for storing
The protective shell (2) and handle (3) of temperature measurement module (5) are stated, the on & off switch (8) is placed on the handle (3).
7. Non-contact thermometer according to claim 6, it is characterised in that: offer several hold on the handle (3)
Power slot (4).
8. Non-contact thermometer according to claim 6, it is characterised in that: the temperature measurement module (5) includes being embedded at
The display screen (6) of protective shell (2) side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821077416.3U CN208476409U (en) | 2018-07-06 | 2018-07-06 | A kind of Non-contact thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821077416.3U CN208476409U (en) | 2018-07-06 | 2018-07-06 | A kind of Non-contact thermometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208476409U true CN208476409U (en) | 2019-02-05 |
Family
ID=65213607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821077416.3U Active CN208476409U (en) | 2018-07-06 | 2018-07-06 | A kind of Non-contact thermometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208476409U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111798972A (en) * | 2020-07-02 | 2020-10-20 | 优利德科技(中国)股份有限公司 | Front-back visual implementation method, device and system based on thermodetector |
| CN112528720A (en) * | 2020-04-03 | 2021-03-19 | 西安钗瑞信息科技有限公司 | Infrared body temperature measurement system based on deep learning |
| GB2603756A (en) * | 2021-02-04 | 2022-08-17 | Daimler Ag | A body temperature measuring device for a person |
-
2018
- 2018-07-06 CN CN201821077416.3U patent/CN208476409U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112528720A (en) * | 2020-04-03 | 2021-03-19 | 西安钗瑞信息科技有限公司 | Infrared body temperature measurement system based on deep learning |
| CN112528720B (en) * | 2020-04-03 | 2024-04-05 | 西安钗瑞信息科技有限公司 | Infrared body temperature measurement system based on deep learning |
| CN111798972A (en) * | 2020-07-02 | 2020-10-20 | 优利德科技(中国)股份有限公司 | Front-back visual implementation method, device and system based on thermodetector |
| GB2603756A (en) * | 2021-02-04 | 2022-08-17 | Daimler Ag | A body temperature measuring device for a person |
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