CN215677293U - Infrared forehead temperature measuring device - Google Patents
Infrared forehead temperature measuring device Download PDFInfo
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- CN215677293U CN215677293U CN202023201792.9U CN202023201792U CN215677293U CN 215677293 U CN215677293 U CN 215677293U CN 202023201792 U CN202023201792 U CN 202023201792U CN 215677293 U CN215677293 U CN 215677293U
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Abstract
The utility model relates to an infrared forehead temperature measuring device, which consists of a plastic front cover, a plastic rear cover and a circuit board module; a lighting part protruding forwards is arranged on the position, close to the top, of the front face of the plastic front cover, a measuring key is arranged below the lighting part, and the measuring key is connected with the circuit board module; the front side of the circuit board module is provided with an infrared sensing module corresponding to the lighting hole, the infrared sensing module consists of a temperature measuring module small plate, a thermopile, a light condensing unit and a light extinction unit, and the back side of the circuit board module is provided with an LCD display screen; the back of the plastic back cover is provided with a display port which corresponds to the front and the back of the LCD screen and is matched with the LCD screen, and a selection button connected with the circuit board module is arranged below the display port. The infrared forehead temperature measuring device can prevent large-angle infrared rays from entering the optical piece, can prevent the inside of the optical piece from being polluted when not used, can measure the temperature at a longer distance, and further enables measuring personnel to be safer.
Description
Technical Field
The utility model relates to the field of body temperature measurement, in particular to an infrared forehead temperature measuring device.
Background
The clinical thermometer is a tool for measuring the temperature of a human body, and the existing clinical thermometers can be divided into a mercury clinical thermometer and an electronic clinical thermometer from the main forms.
The mercury thermometer is made of mercury, namely mercury, which is a toxic element, and once mercury flows out due to damage, certain potential safety hazards are caused to users; the electronic thermometer has the advantages of good safety, high temperature measurement speed, digitalization, difficult breakage, automatic storage of records and the like, and is gradually replacing the mercury thermometer.
However, the existing infrared thermometer body temperature measurement module has a relatively short measurement distance, but when some viruses with high infectivity are outbreak, the too short measurement distance may threaten the measurement personnel, and certain potential safety hazards are caused.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an infrared forehead temperature measuring device which is long in measuring distance and high in measuring precision.
In order to solve the technical problems, the utility model is realized by the following technical scheme: an infrared forehead temperature measuring device comprises a plastic front cover, a plastic rear cover and a circuit board module; the plastic rear cover is fixedly arranged on the back surface of the plastic front cover through screws or buckles, the circuit board module is arranged between the plastic front cover and the plastic rear cover, a lighting part protruding forwards is arranged at the position, close to the top, of the front surface of the plastic front cover, and a lighting hole communicated with the front and the back is arranged in the center of the lighting part; a handle part is formed at the position, below the lighting part, of the plastic front cover, a battery groove with an opening in the front face is arranged on the handle part, a battery cover detachably matched with the battery groove is arranged at the opening of the battery groove, battery elastic pieces electrically connected with the circuit board module are fixedly arranged at two ends of the interior of the battery groove respectively, and a battery electrically connected with the two battery elastic pieces is clamped between the two battery elastic pieces; a front key hole which is communicated with the front and the back is arranged at the position, above the battery jar, of the front surface of the handle part, and a measuring key which is movably matched with the front key hole is arranged in the front key hole; the back surface of the plastic front cover is provided with a front cavity with a backward opening, and the circuit board module is positioned in the front cavity; the front surface of the circuit board module is provided with an infrared sensing module corresponding to the lighting hole, and the infrared sensing module is electrically connected with the temperature measuring module bracket fixedly connected to the front surface of the circuit board module; the front surface of the circuit board module is welded with a measuring button at the position below the temperature measuring module bracket, the measuring button corresponds to the measuring button in the front-back direction, and the tail end of the measuring button is clamped outside the measuring button; the back surface of the circuit board module is provided with an LCD display screen close to the upper part, the LCD display screen is electrically connected with the circuit board module through conductive rubber arranged between the LCD display screen and the circuit board module, and the LCD display screen is provided with a backlight module which is electrically connected with the circuit board module and corresponds to the back surface of the circuit board module; a selection key electrically connected with the circuit board module is arranged at the part of the back surface of the circuit board module below the LCD display screen; the front side of the plastic rear cover is provided with a rear cavity with a forward opening, and the rear cavity corresponds to the front cavity in a front-back manner and is matched with the front cavity in contour; the position that the lid back is close to the top behind the plastic be provided with the demonstration mouth of intercommunication around the rearmounted chamber, show the mouth with correspond around the LCD display screen and mutually support, the outside that shows the mouth is provided with rather than pasting complex display panel, behind the plastic the lid back be located show mouthful below the position be provided with the back key hole of intercommunication around the rearmounted chamber, the position of back key hole with it corresponds and the size coincide to select the position of button around, the rear end cup joints of selecting the button in the back key hole.
Preferably, the infrared sensing module consists of a temperature measurement module small plate, a thermopile, a light condensation unit and an extinction unit; the back surface of the small temperature measurement module plate is connected with the temperature measurement module bracket; the thermopile is welded in the center of the front surface of the small temperature measurement module plate; the light gathering unit is sleeved outside the thermopile, the back of the light gathering unit is provided with an engagement hole which is in sleeved fit with the periphery of the thermopile, and the front of the light gathering unit is provided with a light gathering hole; the diameter of the light-gathering hole is gradually reduced from front to back and is in a funnel-shaped structure, a light-gathering area is formed on the inner wall surface of the light-gathering hole, the tail end of the light-gathering hole is communicated with the connecting hole and is opposite to the thermopile, and an infrared focus reflected by the light-gathering area is superposed with a heat absorption unit arranged in the thermopile; the extinction unit is sleeved outside the light condensation unit, the bottom of the outer side of the extinction unit is provided with a positioning block superposed with the front surface of the small temperature measurement module plate, and the interior of the extinction unit is provided with an extinction hole communicated with the front and the back; the periphery of the extinction unit is in sleeve fit with the lighting hole, the extinction hole is communicated with the outer side of the front end of the plastic front cover, the tail end of the extinction hole is in sleeve fit with the periphery of the light condensation unit, the side wall surface, located at the front end of the light condensation unit, in the extinction hole is a threaded surface, and the threaded surface forms a light extinction area.
Preferably, a buffer pad is arranged between the backlight module and the circuit board module.
Preferably, the circuit board module is fixedly connected in the rear cavity of the plastic rear cover through a circuit board fixing screw.
Preferably, a position of the periphery of the extinction unit close to the front end is provided with a limit stop protruding outwards.
Preferably, a screw cap which is in screw fit with a screw surface of the inner wall surface is arranged at the front end of the extinction hole.
Preferably, the positioning block and the small temperature measuring module plate on the extinction unit are fixedly connected to the temperature measuring module bracket through screws.
Preferably, the light-gathering area is coated with a light-reflecting coating.
Preferably, the light reflecting coating on the light gathering area is a nickel layer.
Compared with the prior art, the utility model has the advantages that: the infrared forehead temperature measuring device can avoid wide-angle infrared rays from entering the optical piece, avoids pollution inside the optical piece when not used through the threaded cover, avoids the thermopile from receiving infrared rays emitted by a non-target in a certain distance, enables a product to measure the temperature of a longer distance, and further enables measuring personnel to be safer.
Description of the drawings:
FIG. 1 is a schematic view of a detachable infrared forehead temperature measuring device according to the present invention;
fig. 2 is a cross-sectional view of a side structure of an infrared sensing module in an infrared forehead temperature measuring device according to the present invention.
In the figure: 1. a plastic front cover; 11. a front cavity; 12. a lighting section; 121. lighting holes; 122. a threaded cap; 13. a handle portion; 131. a battery case; 14. a front key hole; 15. a battery cover; 16. a battery spring plate; 17. measuring a key; 2. a plastic rear cover; 21. a rear cavity; 22. selecting a key; 23. a display panel; 3. a circuit board module; 31. an infrared sensing module; 311. a small temperature measuring module plate; 312. a thermopile; 3121. a heat absorbing unit; 313. a light condensing unit; 3131. a light gathering hole; 3132. an engagement hole; 314. a light extinction unit; 3141. a light extinction hole; 3142. a light extinction area; 3143. a limit stop block; 3144. positioning blocks; 32. a temperature measuring button; 33. a backlight module; 331. a cushion pad; 332. a conductive rubber; 34. an LCD display screen; 35. a temperature measuring module support; 36. a circuit board fixing screw; 4. a battery.
The specific implementation mode is as follows:
the utility model is described in detail below with reference to the figures and the detailed description.
Fig. 1 shows an infrared forehead temperature measuring device, which is composed of a plastic front cover 1, a plastic rear cover 2 and a circuit board module 3; the plastic back cover 2 is fixedly arranged on the back surface of the plastic front cover 1 through screws or buckles, the circuit board module 3 is arranged between the plastic front cover 1 and the plastic back cover 2, a lighting part 12 protruding forwards is arranged on the position, close to the top, of the front surface of the plastic front cover 1, and a lighting hole 121 communicated with the front and the back is formed in the center of the lighting part 12; a handle part 13 is formed at the position, below the lighting part 12, of the plastic front cover 1, a battery groove 131 with an opening in the front face is arranged on the handle part 13, a battery cover 15 detachably matched with the battery groove 131 is arranged at the opening of the battery groove 131, battery elastic pieces 16 electrically connected with the circuit board module 3 are fixedly arranged at two ends of the interior of the battery groove 131 respectively, and a battery 4 electrically connected with the two battery elastic pieces 16 is clamped between the two battery elastic pieces 16; a front key hole 14 which is communicated front and back is arranged at the position, positioned above the battery jar 131, on the front surface of the handle part 13, and a measuring key 17 which is movably matched with the front key hole 14 is arranged in the front key hole 14; a front cavity 11 with a backward opening is formed in the back surface of the plastic front cover 1, and the circuit board module 3 is located in the front cavity 11; the front surface of the circuit board module 3 corresponding to the lighting hole 121 is provided with an infrared sensing module 31, and the infrared sensing module 31 is electrically connected with a temperature measuring module bracket 35 fixedly connected to the front surface of the circuit board module 3; a measuring button 32 is welded at the position, located below the temperature measuring module support 35, on the front surface of the circuit board module 3, the measuring button 32 corresponds to the measuring key 17 in the front-back direction, and the tail end of the measuring key 17 is clamped outside the measuring button 32; the back surface of the circuit board module 3 is provided with an LCD display screen 34 near the upper part, the LCD display screen 34 is electrically connected with the circuit board module 3 through a conductive rubber 332 arranged between the LCD display screen 34 and the circuit board module 3, and the LCD display screen 34 is provided with a backlight module 33 which is electrically connected with the circuit board module 3 and corresponds to the back surface of the circuit board module 3; a selection key 22 electrically connected with the circuit board module 3 is arranged at the position of the back of the circuit board module 3 below the LCD display screen 34; the front surface of the plastic rear cover 2 is provided with a rear cavity 21 with a forward opening, and the rear cavity 21 corresponds to the front cavity 11 in a front-back manner and has a contour matched with that of the front cavity; the position that the lid 2 backs is close to the top behind the plastic be provided with the demonstration mouth of intercommunication around the rearmounted chamber 21, show the mouth with correspond around the LCD display screen 34 and mutually support, the outside that shows the mouth is provided with rather than pasting complex display panel 23, behind the plastic 2 backs be located the position of demonstration mouth below be provided with the back key hole of intercommunication around the rearmounted chamber 21, the position of back key hole with it corresponds and the size is identical around selecting button 22's the position, select button 22's rear end cup joint in the back key hole.
As shown in fig. 2, the infrared sensing module 31 is composed of a small temperature measuring module plate 311, a thermopile 312, a light condensing unit 313 and a light extinction unit 314; the back surface of the small temperature measurement module plate 311 is connected with the temperature measurement module bracket 35; the thermopile 312 is welded at the center of the front surface of the small temperature measurement module plate 311; the light-gathering unit 313 is sleeved outside the thermopile 312, the back surface of the light-gathering unit is provided with an engaging hole 3132 which is sleeved and matched with the periphery of the thermopile 312, and the front surface of the light-gathering unit is provided with a light-gathering hole 3131; the diameter of the light-gathering hole 3131 gradually decreases from front to back, and the light-gathering hole is in a funnel-shaped structure, a light-gathering area is formed on the inner wall surface of the light-gathering hole 3131, the tail end of the light-gathering hole 3131 is communicated with the connection hole 3132 and is opposite to the thermopile 312, and an infrared focal point reflected by the light-gathering area is overlapped with the heat absorption unit 3121 arranged in the thermopile 312; the extinction unit 314 is sleeved outside the light condensation unit 313, the bottom of the outer side of the extinction unit 314 is provided with a positioning block 3144 superposed with the front surface of the small temperature measurement module plate 311, and the inside of the extinction unit is provided with an extinction hole 3141 communicated with the front and the back; the periphery of the extinction unit 314 is in sleeve fit with the lighting hole 121, the extinction hole 3141 is communicated with the outer side of the front end of the plastic front cover 1, the tail end of the extinction hole 3141 is in sleeve fit with the periphery of the light condensation unit 313, the side wall surface of the extinction hole 3141 at the front end of the light condensation unit 313 is a threaded surface, an extinction area 3142 is formed on the threaded surface, and the threaded extinction area 3142 can prevent large-angle infrared rays from entering the optical piece.
In order to prevent the vibration from damaging the contact between the backlight module 33 and the circuit board module 3, a buffer pad 331 is disposed between the backlight module 33 and the circuit board module 3.
In order to facilitate the fixing and detaching of the circuit board module 3, the circuit board module 3 is fixedly connected in the rear cavity 21 of the plastic rear cover 2 through a circuit board fixing screw 36.
In order to facilitate the position fixing of the extinction unit 314, a limit stop 3143 protruding outwards is arranged at a position, close to the front end, of the periphery of the extinction unit 314, and the extinction unit 314 sleeved in the lighting hole 121 can be limited in position by the limit stop 3143, so that the position stability of the extinction unit is ensured.
In order to avoid the contamination of the inside of the optical member when not in use, the front end of the extinction hole 3141 is provided with a screw cap 122 which is screw-fitted to the screw surface of the inner wall surface thereof.
In order to detachably fix the extinction unit 314 and the small temperature measurement module plate 311 on the temperature measurement module bracket 35 and limit the positions of the thermopile 312 and the light gathering unit 313, the positioning block 3144 on the extinction unit 314 and the small temperature measurement module plate 311 are fixedly connected on the temperature measurement module bracket 35 through screws.
In order to reflect or absorb the large angle infrared rays and to make the small angle infrared rays to be measured enter and hit the light-collecting area, the light-eliminating area 3142 is coated with a light-absorbing coating.
In order to focus infrared rays on the heat absorption unit 3121 of the thermopile 312 for the purpose of measuring a distant target temperature, the light-focusing region is plated with a light-reflecting coating, and the light-reflecting coating on the light-focusing region is nickel or a light-reflecting material.
The working principle is as follows: as shown in fig. 2, the measurer holds the handle portion 13, aligns the lighting portion 12 to the forehead of the measured person, presses the measurement button 17, and activates the circuit board module 3 through the measurement button 32, so that the infrared ray emitted from the forehead of the measured person enters the optical element through the lighting hole 121, and is reflected or absorbed by the lighting area 3142 in the lighting unit 314 in the optical element, and the small-angle infrared ray a to be measured enters and hits the lighting area of the lighting unit 313, and is focused on the heat absorption unit 3121 of the thermopile 312 through refraction of the lighting area, so as to obtain effective measurement data; the data is displayed through an LCD display screen 34 connected with the circuit board module 3, the measured data is fed back to a user, and the user can adjust the measuring device through a selection key 22; when the measuring device is not used, the threaded cap 122 can be screwed into the extinction hole 3141, so that foreign matters are prevented from polluting the inside of the optical piece, and the threaded cap can be screwed out when the measuring device is used.
This kind of infrared ray forehead temperature measuring device can avoid the infrared ray of wide angle to get into optical component through screw thread formula extinction district, through the screw cap so that avoid the inside pollution of optical component when not, through extinction unit and spotlight unit complex mode, avoided the thermopile to receive the infrared ray of non-target transmission in certain distance for the product can measure the temperature of farther distance, and then makes the survey crew safer.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. An infrared forehead temperature measuring device comprises a plastic front cover (1), a plastic rear cover (2) and a circuit board module (3); lid (2) pass through the fixed back that sets up in plastic protecgulum (1) of screw or buckle behind the plastic, circuit board module (3) set up behind plastic protecgulum (1) and plastic between lid (2), its characterized in that: a lighting part (12) protruding forwards is arranged on the position, close to the top, of the front face of the plastic front cover (1), and a lighting hole (121) communicated with the front and the back is formed in the center of the lighting part (12); a handle part (13) is formed at the position, below the lighting part (12), of the plastic front cover (1), a battery groove (131) with an opening in the front face is formed in the handle part (13), a battery cover (15) detachably matched with the battery groove (131) is arranged at the opening of the battery groove (131), battery elastic pieces (16) electrically connected with the circuit board module (3) are fixedly arranged at two ends of the interior of the battery groove (131) respectively, and a battery (4) electrically connected with the battery elastic pieces (16) is clamped between the two battery elastic pieces; a front key hole (14) which is communicated front and back is formed in the position, located above the battery jar (131), on the front surface of the handle part (13), and a measuring key (17) which is movably matched with the front key hole (14) is arranged in the front key hole; a front cavity (11) with a backward opening is formed in the back surface of the plastic front cover (1), and the circuit board module (3) is located in the front cavity (11); the front surface of the circuit board module (3) corresponding to the lighting hole (121) is provided with an infrared sensing module (31), and the infrared sensing module (31) is electrically connected with a temperature measuring module bracket (35) fixedly connected to the front surface of the circuit board module (3); a measuring button (32) is welded at the position, located below the temperature measuring module support (35), on the front surface of the circuit board module (3), the measuring button (32) corresponds to the measuring key (17) in the front-back direction, and the tail end of the measuring key (17) is clamped outside the measuring button (32); an LCD display screen (34) is arranged on the back surface of the circuit board module (3) close to the upper part, the LCD display screen (34) is electrically connected with the circuit board module (3) through a conductive rubber (332) arranged between the LCD display screen and the circuit board module (3), and a backlight module (33) electrically connected with the circuit board module (3) is arranged on the LCD display screen (34) corresponding to the back surface of the circuit board module (3); a selection key (22) electrically connected with the circuit board module (3) is arranged at the position of the back surface of the circuit board module (3) below the LCD display screen (34); the front surface of the plastic rear cover (2) is provided with a rear cavity (21) with a forward opening, and the rear cavity (21) corresponds to the front cavity (11) in the front-back direction and is matched with the front cavity in contour; lid (2) back after the plastic be close to the position of top be provided with the demonstration mouth of intercommunication around rearmounted chamber (21), show the mouth with correspond around LCD display screen (34) and mutually support, the outside that shows the mouth is provided with rather than pasting complex display panel (23), behind the plastic lid (2) the back be located show mouthful below the position be provided with the back button hole of intercommunication around rearmounted chamber (21), the position of back button hole with it corresponds and the size is identical before the position of selecting button (22) after, the rear end cup joint of selecting button (22) is in the back button hole.
2. An infrared forehead temperature measuring device according to claim 1, wherein: the infrared sensing module (31) consists of a temperature measuring module small plate (311), a thermopile (312), a light condensing unit (313) and an extinction unit (314); the back surface of the small temperature measurement module plate (311) is connected with the temperature measurement module bracket (35); the thermopile (312) is welded in the center of the front surface of the small temperature measurement module plate (311); the light-gathering unit (313) is sleeved outside the thermopile (312), the back surface of the light-gathering unit is provided with an engagement hole (3132) which is sleeved and matched with the periphery of the thermopile (312), and the front surface of the light-gathering unit is provided with a light-gathering hole (3131); the diameter of the light-gathering hole (3131) is gradually reduced from front to back, the light-gathering hole is of a funnel-shaped structure, a light-gathering area is formed on the inner wall surface of the light-gathering hole, the tail end of the light-gathering hole (3131) is communicated with the connecting hole (3132) and is opposite to the thermopile (312), and an infrared focus reflected by the light-gathering area is overlapped with a heat absorption unit (3121) arranged in the thermopile (312); the extinction unit (314) is sleeved outside the light condensation unit (313), the bottom of the outer side of the extinction unit is provided with a positioning block (3144) superposed with the front surface of the temperature measurement module small plate (311), and the interior of the extinction unit is provided with an extinction hole (3141) communicated with the front and the back; the periphery of the extinction unit (314) is in sleeved fit with the lighting hole (121), the extinction hole (3141) is communicated with the outer side of the front end of the plastic front cover (1), the tail end of the extinction hole (3141) is in sleeved fit with the periphery of the light condensation unit (313), the side wall surface, located at the front end of the light condensation unit (313), in the extinction hole (3141) is a threaded surface, and the threaded surface forms an extinction area (3142).
3. An infrared forehead temperature measuring device according to claim 1, wherein: a buffer pad (331) is arranged between the backlight module (33) and the circuit board module (3).
4. An infrared forehead temperature measuring device according to claim 1, wherein: the circuit board module (3) is fixedly connected in the rear cavity (21) of the plastic rear cover (2) through a circuit board fixing screw (36).
5. An infrared forehead temperature measuring device according to claim 2, wherein: and a limit stop (3143) protruding outwards is arranged at the position, close to the front end, of the periphery of the extinction unit (314).
6. An infrared forehead temperature measuring device according to claim 2, wherein: the front end of the extinction hole (3141) is provided with a thread cover (122) which is in thread fit with the thread surface of the inner wall surface.
7. An infrared forehead temperature measuring device according to claim 2, wherein: the positioning block (3144) on the extinction unit (314) and the small temperature measurement module plate (311) are fixedly connected to the temperature measurement module bracket (35) through screws.
8. An infrared forehead temperature measuring device according to claim 2, wherein: the light-absorbing area (3142) is plated with a light-absorbing coating, and the light-collecting area is plated with a light-reflecting coating.
9. An infrared forehead temperature measuring device according to claim 8, wherein: the light reflecting coating on the light condensing area is a nickel layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023201792.9U CN215677293U (en) | 2020-12-26 | 2020-12-26 | Infrared forehead temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023201792.9U CN215677293U (en) | 2020-12-26 | 2020-12-26 | Infrared forehead temperature measuring device |
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| Publication Number | Publication Date |
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| CN215677293U true CN215677293U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023201792.9U Active CN215677293U (en) | 2020-12-26 | 2020-12-26 | Infrared forehead temperature measuring device |
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| CN (1) | CN215677293U (en) |
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2020
- 2020-12-26 CN CN202023201792.9U patent/CN215677293U/en active Active
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