CN209499709U - A kind of non-contact infrared body temperature instrument based on double infrared probe combined type thermometrics - Google Patents
A kind of non-contact infrared body temperature instrument based on double infrared probe combined type thermometrics Download PDFInfo
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- CN209499709U CN209499709U CN201821025135.3U CN201821025135U CN209499709U CN 209499709 U CN209499709 U CN 209499709U CN 201821025135 U CN201821025135 U CN 201821025135U CN 209499709 U CN209499709 U CN 209499709U
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Abstract
The utility model provides a kind of non-contact infrared body temperature instrument based on double infrared probe combined type thermometrics, including measurement portion, display unit and grip part, the front end of the infrared body temperature instrument is arranged in the measurement portion, grip part is located at the rear end of the infrared body temperature instrument and connect with the measurement portion, display unit is located in the middle part of the infrared body temperature instrument between the grip part and measurement portion, the measurement portion includes shell, shell is respectively formed as connecting pin and measurement end close to or far from the both ends in grip part direction, infrared sensor there are two being set in shell, infrared sensor front end is equipped with the infrared light collecting device in measured region face, be formed as the received circular radiation area of infrared sensor outside measurement end, the cross section in two received circular radiation areas of infrared sensor forms the measured area for being similar to ellipse, two infrared biographies Interior of shell between sensor is provided with ranging part, to solve existing thermometer measurement inaccuracy, the big defect of error.
Description
Technical field
It is the utility model relates to infrared temperature-test technology field, in particular to a kind of based on double infrared probe combined type thermometrics
Non-contact infrared body temperature instrument.
Background technique
Infrared body temperature instrument is the measurement that body temperature is carried out by infrared ray, and infrared temperature instrument is contactless temperature-measuring, peace
Entirely, accurately, old man, children, hospital and family is suitble to use.
For non-contact infrared body temperature instrument in products such as the alternative traditional mercurial thermometers of most of occasions, thermometric is quick, with
Science and technology progress, the accuracy of infrared measurement of temperature improve a lot utilize at this stage infrared temperature-test technology to body temperature survey
Temperature mainly measurement human body forehead front and ear chamber infrared measurement of temperature are to survey surface temperature, need to make to compensate when surveying body temperature right
When human body forehead thermometric, the precision of surface temperature measurement is basis, because only that forehead table temperature measurement is accurate, it is mild by table
Body temperature compensation conversion, when more could accurately measure the body temperature of human body using infrared temperature-test technology measurement human body forehead table temperature, when
Measurement is under certain condition, and human body forehead surface tested region is most preferably ellipse, because can avoid hair and eyes in this way
Deng bad infrared signal interference, the infrared signal measured is all the signal that effective forehead epidermis issues.In field angle
(FOV) in design, design in field angle using double infrared sensors, designed in particular with concentration structure, be easy to reach
Tested area is the close effect for being similar to ellipse.In the prior art, such as 20523471 U of Chinese patent CN, one kind is disclosed
Non-contact infrared body temperature meter, the infrared sensing device of the technical solution of the patent disclosure only have one, and therefore, region to be measured is
Circle will appear measurement inaccuracy, the big defect of error when in use.
Summary of the invention
The utility model is made in view of the above problems, by providing a kind of Non-contacting Infrared Thermometer, to solve
The temperature measurer inaccuracy of the prior art, the big defect of error, specifically, including measurement portion, display unit and grip part, the measurement
Portion is arranged in the front end of the infrared body temperature instrument, the grip part be located at the rear end of the infrared body temperature instrument and with the measurement portion
Connection, the display unit are located in the middle part of the infrared body temperature instrument between the grip part and measurement portion, and the measurement portion includes shell,
The shell is respectively formed as connecting pin and measurement end, close connection in the shell close to or far from the both ends in grip part direction
The end face at end is set there are two infrared sensor, and the infrared light that the infrared sensor front end is equipped with measured region face collects dress
It sets, is formed as infrared sensor reception outside the measurement end of the infrared light collecting device other end in the measured region face
Circular radiation area, the circular radiation area is a part for being measured area, is formed after two circular radiation areas intersections
The measured area of approximate ellipsoidal, the interior of shell between two infrared sensors are provided with ranging part.
Preferably, two infrared sensors are separately positioned on the two sides of the center line of the infrared body temperature instrument and symmetrical
Setting, two infrared sensors vertically connect the end face of the connecting pin, keep two infrared sensors horizontal
Setting.
Preferably, set in the shell there are two structural member parallel to each other, the structural member include upper mount and
The bottom of the lower part installation part, the infrared light in the measured region face is arranged in lower part installation part, the infrared sensor
Collection device covers the infrared sensor, and the infrared light collecting device other end in the measured region face protrudes into the top
In installation part and it is firmly connected with it.
Preferably, two infrared sensors are arranged in parallel in the installation part of lower part, two measured region faces
Infrared light collecting device be arranged in parallel in upper mount.
Preferably, an integral structure component is equipped in the shell, the integral structure component includes two upper end installation parts
With a lower end installation part, the bottom of lower end installation part, two measured regions are arranged in two infrared sensors
The infrared light collecting device in face is covered each by two infrared sensors, the infrared light collecting device in two measured region faces
The other end be respectively protruding into inside two upper end installation parts and be firmly connected with it.
Preferably, two upper end installation parts are arranged adjacent in lower end installation part top, make two described infrared
Sensor distinguish the area in the measured area of the approximate ellipsoidal formed after the intersection of received circular radiation area with two it is described on
It holds the variation of the distance between installation part and changes.
Preferably, two infrared sensors distinguish the approximate ellipsoidal formed after received circular radiation area intersection
The area for being measured area is greater than the area in any one circular radiation area.
Preferably, two upper end installation parts are arranged adjacent on the lower end installation part, and two upper end peaces
Piece installing is mounted obliquely on the installation part of lower end to direction close to each other, makes the level where the lower surface of upper end installation part
Angle is formed between horizontal plane where face and the upper surface of lower end installation part.
Preferably, two infrared sensors are mounted obliquely on the bottom of lower end installation part to direction close to each other
Face, and the tilt angle of the infrared sensor and the tilt angle of upper end corresponding to its position installation part are consistent；
The infrared light collecting device in two measured region faces is mounted obliquely on upper end to direction close to each other
In installation part, and the infrared sensor of the tilt angle of the infrared light collecting device in the measured region face and its covering connection
Tilt angle it is consistent.
Preferably, two infrared sensors distinguish the tested of the ellipse formed after received circular radiation area intersection
The area for measuring area is greater than the area in any one circular radiation area.
Beneficial effect
The infrared body temperature instrument of above structure, when measuring human body forehead table temperature using infrared temperature-test technology, when measurement distance one
Periodically, human body forehead surface tested region is most preferably ellipse, is avoided that the interference of the bad infrared signal of hair and eyes etc.,
The infrared signal measured is all the signal that effective forehead epidermis issues.In field angle (FOV) design, double infrared biographies are utilized
Sensor design in field angle, designs in particular with concentration structure, and being easy to reach tested area is to be similar to ellipse close time
Effect.To improve the precision of thermometer, error is reduced, can be applied in a variety of environment, made more square using what is become
Just and efficiently.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for indicating the thermometer of embodiment 1.
Fig. 2 is the side end structure illustration for the measurement portion for indicating embodiment 1.
Fig. 3 is the measurement portion schematic diagram of internal structure for indicating embodiment 1.
Fig. 4 is the measurement portion schematic diagram of internal structure for indicating embodiment 2.
Fig. 5 is the detection zone schematic diagram for indicating embodiment 2.
Fig. 6 is the detection zone schematic diagram for indicating embodiment 2.
Fig. 7 is the detection zone schematic diagram for indicating embodiment 2.
Fig. 8 is the structural schematic diagram for indicating the thermometer of embodiment 3.
Fig. 9 is the side end structure illustration for the measurement portion for indicating embodiment 3.
Figure 10 is the schematic diagram for indicating the measured area of embodiment.
Description of symbols
1 measurement portion, 11 shells, 12 connecting pins, 13 measurement ends, 14 infrared sensors, 15 prefocus cups, 16 circular radiation areas,
17 measured areas, 18 ranging parts, 111 structural members, 112 upper mounts, 113 lower part installation parts, 114 integral structure components, on 115
Hold installation part, 116 lower end installation parts；
2 display units；
3 grip parts.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing:
Embodiment 1
As shown in Figures 1 to 3, a kind of non-contact infrared based on double infrared probe combined type thermometrics is present embodiments provided
The front end of the infrared body temperature instrument, institute is arranged in thermometer, including measurement portion 1, display unit 2 and grip part 3, the measurement portion 1
It states grip part 3 to be located at the rear end of the infrared body temperature instrument and connect with the measurement portion 1, the display unit 2 is located at the gripping
In the middle part of infrared body temperature instrument between portion 3 and measurement portion 1, the measurement portion 1 includes shell 11, and the shell 11 is close to or far from holding
The both ends for holding 3 direction of portion are respectively formed as connecting pin 12 and measurement end 13, setting in the shell 11 close to the end face of connecting pin 12
There are two infrared sensor 14,14 front end of infrared sensor is equipped with the infrared light collecting device in measured region face, is tested
The infrared light collecting device for measuring area surface is preferably prefocus cup 15；
Be formed as the received circular radiation of infrared sensor 14 outside the measurement end 13 of 15 other end of prefocus cup
Area 16 forms the measured area for being similar to ellipse after two infrared sensor 14 received circular radiation area 16 intersections
17, as shown in Figure 10, the shape combined after the Liang Ge circular radiation area intersection inside oval dotted line is to be measured area 17.
This is measured area 17 and is similar to ellipse.
Shell 11 between two infrared sensors 14 is internally provided with ranging part 18.
Specifically, the temperature measurer of above structure, which can be such that measured region is converted to by circle, is similar to ellipse, it is more suitable
It closes and the epidermis of human body forehead is measured, effectively raise precision, it, can be in thermometer apart from people additionally by the measurement of ranging part
Forehead different distance in the case where carry out result compensation, further increase measurement accuracy, will not be placed because of each thermometer
Distance before forehead is different and influences measurement result.
Further, there is the production of ABS plastic material in the grip part, is equipped with microprocessor, multichannel inside the grip part
A/D conversion circuit, bluetooth module, voice module and thermistor NTC component, the road A/D conversion circuit, bluetooth module, language
Sound module.Thermistor NTC component and two infrared sensors are connect with microprocessor respectively.
Be provided with LCD or LED display, instantaneous speech power and key board on the display unit, the display screen and
Microprocessor connection, the instantaneous speech power are separately connected microprocessor and voice module.The key board respectively with it is aobvious
Display screen is connected with microprocessor.
Two infrared sensors 14 are separately positioned on the two sides of the center line of the infrared body temperature instrument and are symmetrical arranged,
Two infrared sensors 14 vertically connect the end face of the connecting pin 12.
It is set in the shell 11 there are two structural member 111 parallel to each other, the structural member 111 includes upper mount
112 and lower part installation part 113, the infrared sensor 14 bottom of the lower part installation part 113, the prefocus cup 15 are set
The infrared sensor 14 is covered, 15 other end of prefocus cup is protruded into the upper mount 112 and is firmly connected with it.
Two infrared sensors 14 are arranged in parallel in lower part installation part 113, and two prefocus cups 15 are set in parallel
It sets in upper mount 112.
Embodiment 2
As shown in Fig. 4 to 7, the present embodiment the difference from embodiment 1 is that:
An integral structure component 114 is equipped in the shell 11, the integral structure component 114 includes two upper end installation parts
115 and a lower end installation part 116, the bottom of lower end installation part 116 is arranged in two infrared sensors 14, described in two
Prefocus cup 15 is covered each by two infrared sensors 14, and the other end of two prefocus cups 15 is respectively protruding into two upper end installations
Part inside 115 is simultaneously firmly connected with it.
Two infrared sensors are arranged in parallel in the installation part of lower part, and two prefocus cups are arranged in parallel in top
In installation part.
Specifically, it includes two modes of prefocus cup that the program, which includes prefocus cup insert structure part and structural member itself,.
Two upper end installation parts 115 are arranged adjacent in 116 top of lower end installation part, make two infrared biographies
The area in the measured area 17 for being similar to ellipse that received circular radiation area 16 is crossed to form respectively of sensor 14 is with two institutes
It states the variation of the distance between upper end installation part 115 and changes.And it is proportional, i.e. between two upper end installation parts 115
Distance is bigger, and the area for being similar to the measured area 17 of ellipse is bigger.
Two infrared sensors 14 respectively received circular radiation area 16 be crossed to form be similar to oval measurement
The area in area 17 is more than or equal to the area in any one circular radiation area.
Alternatively, two upper end installation parts 115 are arranged adjacent on the lower end installation part 116, and two it is described on
End installation part 115 is mounted obliquely on lower end installation part 116 to direction close to each other, is made under upper end installation part 115
Angle is formed between horizontal plane where the upper surface of horizontal plane where surface and lower end installation part 116.
Two infrared sensors 14 are mounted obliquely on the bottom surface of lower end installation part 116 to direction close to each other,
And the tilt angle of the infrared sensor 14 and the tilt angle of upper end corresponding to its position installation part 115 are consistent；
Two prefocus cups 15 are mounted obliquely in upper end installation part 115 to direction close to each other, and described poly-
The tilt angle of light cup 15 is consistent with the tilt angle of infrared sensor 14 of its covering connection.
Two infrared sensors 14 quilt for being similar to ellipse that received circular radiation area 16 is crossed to form respectively
The area of measurement zone 17 is greater than the area in any one circular radiation area 16.
Embodiment 3
As shown in FIG. 8 and 9, the present embodiment and the difference of embodiment 1 and embodiment 2 are, the measurement portion 1, display unit 2
The different and Examples 1 and 2 with the shape of grip part 3.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, although
It is used some specific terms in this specification, these terms are merely for convenience of description, not to the utility model structure
At any restrictions.
Claims (10)
1. a kind of non-contact infrared body temperature instrument based on double infrared probe combined type thermometrics, including measurement portion, display unit and hold
Portion is held, the front end of the infrared body temperature instrument is arranged in the measurement portion, and the grip part is located at the rear end of the infrared body temperature instrument
And connect with the measurement portion, the display unit is located in the middle part of the infrared body temperature instrument between the grip part and measurement portion, special
Sign is: the measurement portion includes shell, and the shell is respectively formed as connecting pin close to or far from the both ends in grip part direction
And measurement end, the end face in the shell close to connecting pin set that there are two infrared sensors, the infrared sensor front end is equipped with
The infrared light collecting device in measured region face, close to the measurement of the infrared light collecting device other end in the measured region face
End is external to be formed as the received circular radiation area of infrared sensor, and the circular radiation area is a part for being measured area, and two
The measured area of approximate ellipsoidal is formed after a circular radiation area intersection, in the shell between two infrared sensors
Portion is provided with ranging part.
2. non-contact infrared body temperature instrument according to claim 1, it is characterised in that: two infrared sensor difference
The two sides of the center line of the infrared body temperature instrument are set and are symmetrical arranged, two infrared sensors vertically connect the company
The end face for connecing end makes two horizontal settings of infrared sensor.
3. non-contact infrared body temperature instrument according to claim 2, it is characterised in that: there are two being set in the shell mutually
Parallel structural member, the structural member include upper mount and lower part installation part, and the infrared sensor is arranged under described
The bottom of portion's installation part, the infrared light collecting device in the measured region face covers the infrared sensor, described to be measured
The infrared light collecting device other end of area surface is protruded into the upper mount and is firmly connected with it.
4. non-contact infrared body temperature instrument according to claim 3, it is characterised in that: two infrared sensors are parallel
It is arranged in the installation part of lower part, the infrared light collecting device in two measured region faces is arranged in parallel in upper mount
It is interior.
5. non-contact infrared body temperature instrument according to claim 2, it is characterised in that: be equipped with an entirety in the shell
Structural member, the integral structure component include two upper end installation parts and a lower end installation part, and two infrared sensors are set
It sets in the bottom of lower end installation part, the infrared light collecting device in two measured region faces is covered each by two infrared sensings
Device, the other end of the infrared light collecting device in two measured region faces be respectively protruding into inside two upper end installation parts and with
It is fixedly connected.
6. non-contact infrared body temperature instrument according to claim 5, it is characterised in that: two upper end installation parts are adjacent
It is arranged in lower end installation part top, is formed after so that two infrared sensors is distinguished received circular radiation area intersection
The area in the measured area of approximate ellipsoidal changes with the variation of the distance between two upper end installation parts.
7. non-contact infrared body temperature instrument according to claim 6, it is characterised in that: two infrared sensor difference
The area in the measured area of the approximate ellipsoidal formed after received circular radiation area intersection is greater than any one circular radiation area
Area.
8. non-contact infrared body temperature instrument according to claim 6, it is characterised in that: two upper end installation parts are adjacent
It is arranged on the lower end installation part, and two upper end installation parts are mounted obliquely on lower end to direction close to each other
On installation part, make between the horizontal plane where the upper surface of the horizontal plane and lower end installation part where the lower surface of upper end installation part
It is formed with angle.
9. non-contact infrared body temperature instrument according to claim 8, it is characterised in that: two infrared sensors are to phase
Mutually close direction is mounted obliquely on the bottom surface of lower end installation part, and the tilt angle of the infrared sensor and with its position
The tilt angle of corresponding upper end installation part is consistent；
The infrared light collecting device in two measured region faces is mounted obliquely on upper end to direction close to each other and installs
In part, and the tilt angle of the infrared light collecting device in the measured region face covers inclining for infrared sensor of connection with it
Rake angle is consistent.
10. non-contact infrared body temperature instrument according to claim 9, it is characterised in that: two infrared sensors point
The area in the measured area of the ellipse formed after not received circular radiation area intersection is greater than the face in any one circular radiation area
Product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821025135.3U CN209499709U (en) | 2018-06-29 | 2018-06-29 | A kind of non-contact infrared body temperature instrument based on double infrared probe combined type thermometrics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821025135.3U CN209499709U (en) | 2018-06-29 | 2018-06-29 | A kind of non-contact infrared body temperature instrument based on double infrared probe combined type thermometrics |
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| Publication Number | Publication Date |
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| CN209499709U true CN209499709U (en) | 2019-10-18 |
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| CN201821025135.3U Active CN209499709U (en) | 2018-06-29 | 2018-06-29 | A kind of non-contact infrared body temperature instrument based on double infrared probe combined type thermometrics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023169359A1 (en) * | 2022-03-07 | 2023-09-14 | 维沃移动通信有限公司 | Electronic device |
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2018
- 2018-06-29 CN CN201821025135.3U patent/CN209499709U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023169359A1 (en) * | 2022-03-07 | 2023-09-14 | 维沃移动通信有限公司 | Electronic device |
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