CN213336495U - Thermal infrared imager with high accuracy identification of patient that generates heat - Google Patents
Thermal infrared imager with high accuracy identification of patient that generates heat Download PDFInfo
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- CN213336495U CN213336495U CN202022315717.9U CN202022315717U CN213336495U CN 213336495 U CN213336495 U CN 213336495U CN 202022315717 U CN202022315717 U CN 202022315717U CN 213336495 U CN213336495 U CN 213336495U
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- infrared imager
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Abstract
The utility model discloses a thermal infrared imager with patient that generates heat is discerned to high accuracy belongs to thermal infrared image temperature measurement technical field, survey the greenhouse and include between the temperature measurement and between the isolation, be equipped with the baffle between the temperature measurement and between the isolation, the inside sliding connection in bar hole has the slider, the inside threaded connection of nut has the screw rod, coupling joint is passed through in servo motor's output shaft tip in the upper end of optical axis. The utility model discloses install the thermoscope in one side of slider, the slider passes through under the drive of servo motor, screw rod, can realize the height of adjustment thermoscope to the high crowd's temperature measurement of adaptation different people uses, and carries out independent temperature measurement in the temperature measurement room, receives the separation of baffle, door plant in the temperature measurement room, can separate external light resistance, makes light in the temperature measurement room become dark, reduces external light and influences the temperature measurement result, has improved the accuracy of temperature measurement.
Description
Technical Field
The utility model belongs to the technical field of infrared thermal imagery temperature measurement, concretely relates to infrared thermal imager with patient that generates heat is discerned to high accuracy.
Background
The infrared thermal imaging temperature measurement technology is one of the high and new technologies which are rapidly developed at present, and has the excellent characteristic in the aspect of measuring the surface temperature of an object in real time without contact. The infrared body temperature measuring instrument is a professional instrument suitable for rapidly monitoring the body surface temperature of a human body in public places with large flow of people, has the characteristic of non-contact temperature measurement, and is particularly suitable for being used in places such as entry and exit ports, airports, docks, stations, offices, schools, movie theaters and the like. The working principle is that all objects with the temperature higher than absolute zero emit infrared radiation energy in a fixed proportion according to the temperature of the objects, the size of the radiation energy and the distribution of the radiation energy according to the wavelength have a close relation with the surface temperature of the objects, the infrared wavelength emitted by the human body at the temperature of 36-37 ℃ is 9-10 mu m, the surface temperature of the forehead of a human can be accurately measured according to the principle, and the accurate body temperature can be displayed by correcting the temperature difference between the forehead and the actual body temperature.
However, due to the limitation of the measurement principle of the infrared thermometer, the ambient temperature, the gas concentration, the startup time and the service life all affect the infrared temperature measurement accuracy, for example, in the human body infrared thermometer with the self-calibration function proposed in patent No. 202020240545.0, the temperature of the human body infrared thermometer is counted and analyzed as the calibration temperature value, and a black body radiation source for calibration of the thermal infrared imager is not required to be additionally adopted, so that the system operation cost is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a patient's thermal infrared imager generates heat is discerned to high accuracy to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the thermal infrared imager with high accuracy for identifying the patient with the fever comprises a temperature measuring instrument and a temperature measuring chamber, wherein the temperature measuring instrument comprises a front panel, a shell, a rear panel, the thermal infrared imager, a display screen, a single chip microcomputer, a key panel, a buzzer, a temperature sensor and an interface; the infrared thermal imager and the display screen are fixedly arranged above the shell, the display screen is positioned on the front side of the infrared thermal imager, the single chip microcomputer is fixedly arranged below the shell, the key panel is arranged on one side of the outer wall of the shell, the buzzer is arranged in the opposite side of the shell, the temperature sensor is integrally arranged on the single chip microcomputer, and the interface is arranged on the lower wall of the shell;
the single chip microcomputer is provided with a human face image recognition processing sensor module;
the temperature measuring chamber comprises a temperature measuring room and an isolation room, a partition plate is arranged between the temperature measuring room and the isolation room, a strip-shaped hole is formed in the inner side of the partition plate, a sliding block is connected to the inside of the strip-shaped hole in a sliding mode, the temperature measuring instrument is installed on the other side of the sliding block, a nut is fixedly connected to one side of the sliding block, a screw rod is connected to the inner thread of the nut in a threaded mode, an optical axis is welded to the upper end of the screw rod, and the upper end of the optical axis is;
the temperature measuring room is characterized in that bearings are embedded at the top and the bottom of the temperature measuring room, a rotating shaft is inserted in an inner ring of each bearing in an interference mode, a door plate is fixed outside the rotating shaft, and a positioning device is arranged at the upper end of the rotating shaft.
Preferably, positioner is including being fixed in the cylinder body at top between the temperature measurement, the inside of cylinder body is equipped with the spring, the tip of spring is equipped with the limiting plate, one side fixedly connected with gangbar of limiting plate, the tip fixedly connected with splint of gangbar, splint contact with the pivot, and the contact surface of splint and pivot sets up to the arc structure.
Preferably, a rubber pad is bonded to the arc-shaped surface of the clamping plate, and anti-skid grains are arranged on the surface of the rubber pad.
Preferably, the limit portion of limiting plate is equipped with the guide block, the inboard of cylinder body is equipped with the guide slot with guide block assorted.
Preferably, the partition plate is provided with a door, and a curtain is arranged inside the door.
Preferably, the singlechip is electrically connected with a servo controller, and the servo controller is electrically connected with the servo motor.
Preferably, the surfaces of the separation curtain and the door panel are both provided with light-tight sun-shading cloth.
Preferably, the interface is a Type-C interface, and the interface is connected with an external power supply.
Preferably, the front panel is provided with an opening matched with the thermal infrared imager, the display screen and the human face image recognition processing sensor module.
The utility model discloses a technological effect and advantage: the utility model provides a thermal infrared imager with patient that generates heat is discerned to high accuracy compares with prior art, has following advantage:
1. the utility model discloses install the thermoscope in one side of slider, the slider can realize adjusting the height of thermoscope through the drive of servo motor, screw rod to the crowd's temperature measurement use that adapts to different people's height, and carry out independent temperature measurement in the temperature measurement room, receive the separation of baffle, door plant in the temperature measurement room, can separate external light resistance, make the light in the temperature measurement room become dark, reduce external light and influence the temperature measurement result, improved the accuracy of temperature measurement;
2. the utility model discloses be equipped with the baffle between the temperature measurement and between the isolation, with the temperature measurement between with keep apart spaced apart, when measuring the personnel that have a fever, can directly enter into and keep apart in the isolation, carry out further detection of nucleic acid sample, reduce cross infection's possibility, improve the security of temperature measurement.
Drawings
FIG. 1 is a schematic view of the exploded structure of the temperature measuring instrument of the present invention;
FIG. 2 is a schematic structural view of the temperature measuring chamber of the present invention;
FIG. 3 is a schematic structural view of the partition plate of the present invention;
fig. 4 is a schematic structural view of the positioning device of the present invention;
fig. 5 is a schematic structural view of the overlooking section of the greenhouse of the present invention.
In the figure: 1. a front panel; 2. a housing; 3. a rear panel; 4. a thermal infrared imager; 5. a display screen; 6. a single chip microcomputer; 7. a key panel; 8. a buzzer; 9. a temperature sensor; 10. an interface; 11. measuring the temperature in the greenhouse; 12. a temperature measuring chamber; 13. isolating the room; 14. a partition plate; 15. a strip-shaped hole; 16. a slider; 17. a nut; 18. a screw; 19. an optical axis; 20. a servo motor; 21. a human face image recognition processing sensor module; 22. a bearing; 23. a rotating shaft; 24. a door panel; 25. a positioning device; 26. a cylinder body; 27. a spring; 28. a limiting plate; 29. a linkage rod; 30. a splint; 31. a rubber pad; 32. a door; 33. a curtain; 34. a guide block; 35. a guide groove; 36. a light-tight sunshade cloth.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a have high accuracy and discern thermal infrared imager who generates heat patient as shown in fig. 1-3 mainly comprises parts such as thermoscope, temperature measurement room 11, singlechip 6, facial image recognition processing sensor module 21, servo motor 20, positioner 25.
The temperature measuring instrument comprises a front panel 1, a shell 2, a rear panel 3, a thermal infrared imager 4, a display screen 5, a single chip microcomputer 6, a key panel 7, a buzzer 8, a temperature sensor 9 and an interface 10, wherein the interface 10 is a Type-C interface, and the interface 10 is connected with an external power supply; wherein, front panel 1 and rear panel 3 are located the preceding of shell 2, the rear side respectively, and be connected with shell 2 with the detachable mode, fixed thermal infrared imager 4 and the display screen 5 of being provided with in shell 2 casing top, display screen 5 is located thermal infrared imager 4 front side, fixed singlechip 6 that is provided with in shell 2 casing below, keypad 7 sets up in shell 2's outer wall one side, bee calling organ 8 sets up in the inside of the opposite one side of shell 2, temperature sensor 9 integration sets up on singlechip 6, interface 10 sets up on the lower wall of shell 2.
Further, the working process of the temperature measuring instrument comprises the following steps:
(1) when the system is initialized or the key of the key panel 7 is pressed, the system is started;
(2) the temperature sensor 9 collects current environmental temperature data;
(3) the single chip microcomputer 6 obtains correction coefficients of data collected by the thermal infrared imager 4 according to corresponding correction coefficient tables preset by the system under the influence of different environmental temperatures;
(4) collecting human body temperature data of 5-10 persons according to the correction coefficient determined in the step (3), and recording the human body temperature data into a calibration set in the singlechip 6;
(5) calculating the average value of the calibration set;
(6) when the difference value between the maximum value or the minimum value in the calibration set and the average value is larger than a set calibration error threshold value, rejecting the recorded value;
(7) recalculating the average value of the residual calibration set, and performing thermal infrared imager temperature calibration standard value by using the average value as a standard temperature value;
and after the temperature measurement instrument finishes temperature calibration, storing the calibrated temperature value in the singlechip, and enabling the temperature measurement instrument to enter a normal working mode.
The singlechip 6 adopts an STM32F103 singlechip, and the temperature sensor is integrated on the singlechip.
The human face image recognition processing sensor module 21 adopts an intelligent machine learning visual recognition camera human face image recognition processing sensor module OPENMV4 with the model of OPENMV3, can capture the position of a human face, transmits a signal to the singlechip 6, and controls the servo motor 20 through the servo controller by the singlechip 6 to drive the screw rod 18 to rotate, so that the position of the slide block 16 is adjusted, and the height of the temperature measuring instrument is adjusted.
The spring 27 in the positioning device 25 can press the clamping plate 30 to be tightly attached to the edge of the rotating shaft 23, and can temporarily fix the door plate 24 when the door plate 24 is rotated.
The connection relationship and the positional relationship between the components in the present embodiment will be described below;
the single chip microcomputer 6 is provided with a human face image recognition processing sensor module 21, the single chip microcomputer 6 is electrically connected with a servo controller, and the servo controller is electrically connected with a servo motor 20.
The temperature measuring room 11 comprises a temperature measuring room 12 and an isolation room 13;
further, a sealing door is installed at one side of the isolation room 13 for isolating the isolation room 13 from the outside, thereby avoiding poor infection.
A partition plate 14 is arranged between the temperature measuring room 12 and the isolation room 13, a strip-shaped hole 15 is formed in the inner side of the partition plate 14, a sliding block 16 is connected inside the strip-shaped hole 15 in a sliding mode, the temperature measuring instrument is installed on the other side of the sliding block 16, a nut 17 is fixedly connected to one side of the sliding block 16, a screw 18 is connected to the inner thread of the nut 17 in a threaded mode, an optical axis 19 is welded to the upper end of the screw 18, and the upper end of the optical axis 19 is connected to the;
further, in practical application, the partition plate 14 is provided with a door 32, a curtain 33 is installed inside the door 32, and the surfaces of the curtain 33 and the door panel 24 are both provided with light-proof sunshade cloth 36, so that the shading effect is improved.
Bearings 22 are embedded at the top and the bottom of the temperature measuring room 12, a rotating shaft 23 is inserted in an inner ring of each bearing 22 in an interference manner, and a door plate 24 is fixed outside each rotating shaft 23;
further, in practical applications, a revolving door may be used instead of the above structure.
The upper end of the rotating shaft 23 is provided with a positioning device 25, the positioning device 25 comprises a cylinder body 26 fixed at the top of the temperature measuring room 12, a spring 27 is arranged inside the cylinder body 26, the end part of the spring 27 is provided with a limiting plate 28, one side of the limiting plate 28 is fixedly connected with a linkage rod 29, the end part of the linkage rod 29 is fixedly connected with a clamping plate 30, the clamping plate 30 is in contact with the rotating shaft 23, the contact surface of the clamping plate 30 and the rotating shaft 23 is of an arc structure, the edge part of the limiting plate 28 is provided with a guide block 34, the inner side of the cylinder body 26 is provided with a guide groove 35 matched with the guide block 34, and the angle of the clamping plate;
further, in practical application, a rubber pad 31 is bonded to the arc-shaped surface of the clamping plate 30, and anti-slip lines are arranged on the surface of the rubber pad 31, so that the friction force between the clamping plate 30 and the rotating shaft 23 is favorably improved.
The front panel 1 is provided with openings matched with the thermal infrared imager 4, the display screen 5 and the human face image recognition processing sensor module 21, so that the thermal infrared imager 4, the display screen 5 and the human face image recognition processing sensor module 21 can be conveniently installed.
The using method of the device comprises the following steps;
firstly, placing a temperature measuring chamber 11 at an entrance of a public place, connecting a temperature measuring instrument and a power supply of a servo motor 20, and starting a temperature measuring instrument system after pressing a key of a key panel 7;
secondly, detecting personnel, wherein the personnel to be detected pushes the door plate 24 to enter the temperature measuring room 12, and the door plate 24 separates the outside of the temperature measuring room 12 to avoid light entering;
thirdly, the human face image recognition processing sensor module 21 captures the position of the human face, transmits a signal to the singlechip 6, and controls the servo motor 20 to drive the screw 18 to rotate through the servo controller by the singlechip 6, so that the position of the slide block 16 is adjusted, and the height of the thermodetector is adjusted;
thirdly, an infrared thermal imager 4 in the temperature measuring instrument tests the forehead temperature of the person, displays the forehead temperature on a display screen 5, and leaves the temperature measuring room 12 if no fever occurs, and the next person to be tested enters and repeats the steps;
fourthly, in the third step, if the fever phenomenon is measured, a buzzer 8 in the thermodetector gives an alarm, and a person with fever enters the isolation room 13 to carry out further detection of nucleic acid sampling.
To sum up, the utility model installs the thermometer at one side of the slider 16, the slider 16 can realize the height adjustment of the thermometer under the driving of the servo motor 20 and the screw 18, so as to be suitable for the temperature measurement of the crowd with different heights, and carry out the independent temperature measurement in the temperature measurement room, the temperature measurement room 12 is blocked by the partition plate 14 and the door plate 24, so as to separate the external light, the light in the temperature measurement room 12 becomes dark, the influence of the external light on the temperature measurement result is reduced, and the accuracy of the temperature measurement is improved;
a partition plate 14 is arranged between the temperature measurement room 12 and the isolation room 13 to separate the temperature measurement room 12 from the isolation room 13, so that when a person with fever is measured, the person can directly enter the isolation room 13 to be isolated, further detection of nucleic acid sampling is carried out, the possibility of cross infection is reduced, and the safety of temperature measurement is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (9)
1. The thermal infrared imager with the high-precision heating patient identification function comprises a temperature measuring instrument and a temperature measuring chamber (11), wherein the temperature measuring instrument comprises a front panel (1), a shell (2), a rear panel (3), a thermal infrared imager (4), a display screen (5), a single chip microcomputer (6), a key panel (7), a buzzer (8), a temperature sensor (9) and an interface (10); wherein, front panel (1) and rear panel (3) are located the preceding of shell (2) respectively, the rear side, and be connected with shell (2) with the detachable mode, at fixed thermal infrared imager (4) and display screen (5) of being provided with in shell (2) casing top, display screen (5) are located thermal infrared imager (4) front side, fix in shell (2) casing below and be provided with singlechip (6), key panel (7) set up in outer wall one side of shell (2), bee calling organ (8) set up in the inside of the opposite one side of shell (2), temperature sensor (9) integration sets up on singlechip (6), interface (10) are seted up on the lower wall of shell (2), its characterized in that: a human face image recognition processing sensor module (21) is arranged on the single chip microcomputer (6);
the temperature measuring chamber (11) comprises a temperature measuring chamber (12) and an isolation chamber (13), a partition plate (14) is arranged between the temperature measuring chamber (12) and the isolation chamber (13), a strip-shaped hole (15) is formed in the inner side of the partition plate (14), a sliding block (16) is connected to the inside of the strip-shaped hole (15) in a sliding mode, the temperature measuring instrument is installed on the other side of the sliding block (16), a nut (17) is fixedly connected to one side of the sliding block (16), a screw rod (18) is connected to the inner thread of the nut (17), an optical axis (19) is welded to the upper end of the screw rod (18), and the upper end of the optical axis (19) is connected to the end portion of an;
bearings (22) are embedded at the top and the bottom of the temperature measuring room (12), a rotating shaft (23) is inserted in an inner ring of each bearing (22) in an interference mode, a door plate (24) is fixed outside the rotating shaft (23), and a positioning device (25) is arranged at the upper end of the rotating shaft (23).
2. The thermal infrared imager with high accuracy for identifying a patient with fever according to claim 1, wherein: positioner (25) are including being fixed in cylinder body (26) at temperature measurement room (12) top, the inside of cylinder body (26) is equipped with spring (27), the tip of spring (27) is equipped with limiting plate (28), one side fixedly connected with gangbar (29) of limiting plate (28), tip fixedly connected with splint (30) of gangbar (29), splint (30) contact with pivot (23), and splint (30) set up to the arc structure with the contact surface of pivot (23).
3. The thermal infrared imager with high accuracy for identifying a patient with fever according to claim 2, wherein: a rubber pad (31) is bonded to the arc-shaped surface of the clamping plate (30), and anti-skid grains are arranged on the surface of the rubber pad (31).
4. The thermal infrared imager with high accuracy for identifying a patient with fever according to claim 2, wherein: the limit portion of limiting plate (28) is equipped with guide block (34), the inboard of cylinder body (26) is equipped with guide slot (35) with guide block (34) assorted.
5. The thermal infrared imager with high accuracy for identifying a patient with fever according to claim 1, wherein: a door (32) is arranged on the partition plate (14), and a curtain (33) is arranged inside the door (32).
6. The thermal infrared imager with high accuracy for identifying a patient with fever according to claim 1, wherein: the single chip microcomputer (6) is electrically connected with a servo controller, and the servo controller is electrically connected with the servo motor (20).
7. The thermal infrared imager with high accuracy for identifying a patient with fever according to claim 5, wherein: the surfaces of the separation curtain (33) and the door panel (24) are both provided with light-tight sunshade cloth (36).
8. The thermal infrared imager with high accuracy for identifying a patient with fever according to claim 1, wherein: the interface (10) is a Type-C interface, and the interface (10) is connected with an external power supply.
9. The thermal infrared imager with high accuracy for identifying a patient with fever according to claim 1, wherein: the front panel (1) is provided with openings matched with the thermal infrared imager (4), the display screen (5) and the human face image recognition processing sensor module (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022315717.9U CN213336495U (en) | 2020-10-18 | 2020-10-18 | Thermal infrared imager with high accuracy identification of patient that generates heat |
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| CN202022315717.9U CN213336495U (en) | 2020-10-18 | 2020-10-18 | Thermal infrared imager with high accuracy identification of patient that generates heat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114067468A (en) * | 2021-12-08 | 2022-02-18 | 权雷超 | High-precision face recognition system for face recognition entrance guard |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114067468A (en) * | 2021-12-08 | 2022-02-18 | 权雷超 | High-precision face recognition system for face recognition entrance guard |
| CN114067468B (en) * | 2021-12-08 | 2023-06-23 | 杭州名光微电子科技有限公司 | High-precision face recognition system for face recognition access control |
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