CN115752746A - Intelligent terminal with infrared temperature measurement function and assembling method thereof - Google Patents
Intelligent terminal with infrared temperature measurement function and assembling method thereof Download PDFInfo
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- CN115752746A CN115752746A CN202211721951.9A CN202211721951A CN115752746A CN 115752746 A CN115752746 A CN 115752746A CN 202211721951 A CN202211721951 A CN 202211721951A CN 115752746 A CN115752746 A CN 115752746A
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 165
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 18
- 239000004033 plastic Substances 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 239000004964 aerogel Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000012937 correction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The invention provides an intelligent terminal with an infrared temperature measurement function and an assembling method thereof, wherein the intelligent terminal comprises: the terminal comprises a terminal shell, an infrared temperature measurement module switching flexible circuit board arranged in the terminal shell, an infrared temperature measurement module and a data processing module. The infrared temperature measurement module is fixed on the terminal shell and located outside the terminal shell, and the infrared temperature measurement module comprises an infrared temperature measurement accessory shell, and an infrared temperature measurement sensor, an infrared temperature measurement sensor flexible circuit board, a switching circuit board and a distance sensing module which are arranged in the infrared temperature measurement accessory shell. The data processing module is used for acquiring a distance temperature compensation value according to a distance signal generated by the distance sensing module and acquiring the actual temperature of the object to be measured according to the measured temperature of the infrared temperature measuring sensor and the distance temperature compensation value. The invention can solve the problem that the infrared temperature sensor in the prior art is easily influenced by the ambient temperature in the temperature measurement process.
Description
Technical Field
The invention relates to the field of infrared temperature measurement, in particular to an intelligent terminal with an infrared temperature measurement function and an assembling method thereof.
Background
With the development of the technology, the functions of the electronic terminal equipment are more and more. For example, some current intelligent terminal devices have a temperature measurement function, such as an infrared temperature sensor.
However, the existing infrared temperature sensor has a small volume, a small heat capacity, a weak thermal shock resistance, and a sensitivity to the temperature change of the surrounding environment, when the temperature of the surrounding environment changes, the temperature balance of the thermopile inside the infrared sensor is easily affected by the environmental temperature, the infrared sensor is difficult to make an accurate judgment on the environment, the fluctuation of the measured temperature is large, and the precision is difficult to be ensured. Moreover, when using infrared temperature sensor on intelligent terminal, because the inside device that generates heat of intelligent terminal is more many to inside temperature fluctuation is big, this accuracy that just needs special structural design to guarantee the temperature measurement data.
Disclosure of Invention
Aiming at the technical problems, the invention provides an intelligent terminal with an infrared temperature measurement function and an assembling method thereof, and aims to solve the problem that an infrared temperature sensor in the prior art is easily influenced by the ambient temperature in the temperature measurement process.
In order to achieve the above object, the present invention provides an intelligent terminal with infrared temperature measurement function, wherein the intelligent terminal comprises: a terminal housing; the infrared temperature measurement module is connected with the flexible circuit board in a switching mode and arranged in the terminal shell; the infrared temperature measurement module is fixed on the terminal shell and located outside the terminal shell, the infrared temperature measurement module comprises an infrared temperature measurement accessory shell, and an infrared temperature measurement sensor, an infrared temperature measurement sensor flexible circuit board, a switching circuit board and a distance sensing module which are arranged in the infrared temperature measurement accessory shell, the infrared temperature measurement sensor is arranged on the infrared temperature measurement sensor flexible circuit board and used for sensing the temperature of a temperature object to be measured and obtaining a measured temperature, a heat insulation film is coated on the periphery of the infrared temperature measurement sensor flexible circuit board, and the distance sensing module is used for sensing the distance between the temperature object to be measured and the infrared temperature measurement sensor and generating a distance signal; one end of the switching circuit board is electrically connected with the infrared temperature measurement module switching flexible circuit board, and the other end of the switching circuit board is electrically connected with the infrared temperature measurement sensor flexible circuit board; and the data processing module is electrically connected with the infrared temperature measurement module switching flexible circuit board, and is used for acquiring a distance temperature compensation value according to the distance signal and acquiring the actual temperature of the object to be measured according to the measured temperature and the distance temperature compensation value.
As an optional technical solution, the temperature measuring device further includes a thermistor installed on the infrared temperature measuring accessory casing, the thermistor is located on one side of the infrared temperature measuring sensor flexible circuit board and electrically connected to the switching circuit board, the thermistor is used for detecting the temperature of the infrared temperature measuring accessory casing and generating an ambient temperature signal, the data processing module is further used for obtaining an ambient temperature compensation value according to the ambient temperature signal, and obtaining the actual temperature of the object to be measured according to the measured temperature, the distance temperature compensation value and the ambient temperature compensation value.
As an optional technical solution, the thermistor is fixed on the casing of the infrared temperature measurement accessory by using dispensing.
As an optional technical solution, the infrared temperature measurement module further includes a temperature-sensitive plastic support, the infrared temperature measurement sensor flexible circuit board is fixed on the temperature-sensitive plastic support, and the heat insulation film is coated on the infrared temperature measurement sensor flexible circuit board and the periphery of the temperature-sensitive plastic support.
As an optional technical scheme, the flexible circuit board of the infrared temperature measurement sensor is fixed on the temperature-sensitive plastic support through back glue.
As an optional technical solution, the distance sensing module includes a distance sensor filter lens and an infrared filter silicon chip, and the distance sensor filter lens and the infrared filter silicon chip are attached to the casing of the infrared temperature measurement accessory.
As an optional technical scheme, a first fixing piece is arranged on the terminal shell, a second fixing piece is arranged on the infrared temperature measurement module corresponding to the first fixing piece, and the infrared temperature measurement module is fixedly combined with the terminal shell through the second fixing piece and the first fixing piece.
As an optional technical solution, the first fixing piece and the second fixing piece are both threaded holes, and the first fixing piece and the second fixing piece are fixed by fastening and combining screws; or, the first fixing part is a clamping hook, and the second fixing part is a clamping hole.
As an optional technical scheme, the heat insulation film is a teflon heat insulation film or an aerogel heat insulation film.
The invention also provides an assembling method of the intelligent terminal with the infrared temperature measurement function, which comprises the following steps:
s1, fixing the distance sensing module on the shell of the infrared temperature measurement accessory;
s2, arranging the infrared temperature measurement sensor on the infrared temperature measurement sensor flexible circuit board, and coating the periphery of the infrared temperature measurement sensor flexible circuit board with a heat insulation film;
s3, electrically connecting the flexible circuit board of the infrared temperature measurement sensor with the switching circuit board, and fixing the switching circuit board on the shell of the infrared temperature measurement accessory;
s4, electrically connecting the infrared temperature measurement module switching flexible circuit board and the switching circuit board;
and S5, fixing the infrared temperature measurement module on the terminal shell.
Compared with the prior art, the infrared temperature measurement module is used as an accessory and is designed and fixed outside the shell (rear shell) of the intelligent terminal, so that the influence of a heating source inside the intelligent terminal can be reduced, and the heat of the surrounding environment is further isolated by using the heat insulation film with excellent heat insulation performance, so that the temperature of the infrared temperature measurement sensor body cannot be changed rapidly. In addition, the invention also detects the change of the ambient temperature through the NTC thermistor, corrects and compensates the measured data, and further ensures the temperature measurement accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of an intelligent terminal with an infrared temperature measurement function according to an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a partial area of an intelligent terminal with an infrared temperature measurement function according to an embodiment of the present invention;
FIG. 3 is an exploded view of an infrared temperature measurement module according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a partial structure of an infrared temperature measurement module according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating an assembly method of an intelligent terminal with an infrared temperature measurement function according to an embodiment of the present invention.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 4, fig. 1 is a schematic diagram of an intelligent terminal with an infrared temperature measurement function according to an embodiment of the present invention; fig. 2 is an enlarged schematic view of a partial area of an intelligent terminal with an infrared temperature measurement function according to an embodiment of the present invention; FIG. 3 is an exploded view of an infrared temperature measurement module according to an embodiment of the present invention; fig. 4 is a schematic diagram of a partial structure of an infrared temperature measurement module according to an embodiment of the present invention. The invention provides an intelligent terminal with an infrared temperature measurement function, which comprises a terminal shell 3, an infrared temperature measurement module switching flexible circuit board 2, an infrared temperature measurement module 1 and a data processing module. The infrared temperature measuring module switching flexible circuit board 2 is arranged in the terminal shell 3. The infrared temperature measurement module 1 is fixed on the terminal housing 3 and located outside the terminal housing 3, and in order not to affect the use of other components on the front side of the terminal housing 3, such as a display module, preferably, the infrared temperature measurement module 1 is fixed on a back shell of the terminal housing 3. Infrared temperature measurement module 1 includes infrared temperature measurement accessory casing 11, set up in infrared temperature measurement sensor 12, infrared temperature measurement sensor flexible circuit board 7, switching circuit board 10 and distance sensing module in infrared temperature measurement accessory casing 11, infrared temperature measurement sensor 12 set up in on the infrared temperature measurement sensor flexible circuit board 7, infrared temperature measurement sensor 12 is used for the temperature of the sensing object of awaiting measuring the temperature and obtains the measured temperature, the peripheral cladding of infrared temperature measurement sensor flexible circuit board 7 has thermal-insulated membrane 9, distance sensing module is used for the sensing wait the temperature object of measuring with distance between the infrared temperature measurement sensor 12 generates distance signal. One end of the switching circuit board 10 is electrically connected with the infrared temperature measurement module switching flexible circuit board 7, and the other end of the switching circuit board 10 is electrically connected with the infrared temperature measurement sensor flexible circuit board 2.
The data processing module is arranged in the terminal shell 3 and electrically connected with the infrared temperature measurement module switching flexible circuit board 7, and the data processing module is used for acquiring a distance temperature compensation value according to the distance signal and acquiring the actual temperature of the object to be measured according to the measured temperature and the distance temperature compensation value. This is because the distance between the object to be measured and the infrared temperature sensor 32 is different, and the actual temperature influence on the object to be measured is different, that is, the temperature measured by the same object at different distances is different. In practical application, the temperatures of the same temperature measurement object at different distances are obtained, a temperature error correction function is obtained according to a plurality of different distances and the temperatures measured at the different distances, and the distance temperature compensation value can be obtained according to the obtained temperature error correction function. This is, of course, only one way and is not intended to be limiting. In addition, the data processing module is, for example, an MCU processor, and in this embodiment, the related technology of the data processing module is well known to those skilled in the art.
In addition, intelligent terminal still includes the display module assembly, and the actual temperature that will await measuring the warm object at last passes through the display module assembly and shows, and the display module assembly is for intelligent terminal's display screen for example.
As shown in fig. 4, the intelligent terminal further includes a thermistor 13, the thermistor 13 is installed on the infrared temperature measurement accessory casing 11, the thermistor 13 is located on one side of the infrared temperature measurement sensor flexible circuit board 7 and is electrically connected to the adapting circuit board 10, the thermistor 13 is used for detecting the temperature of the infrared temperature measurement accessory casing 11 and generating an ambient temperature signal, and the data processing module is further used for obtaining an ambient temperature compensation value according to the ambient temperature signal and obtaining the actual temperature of the object to be measured according to the measurement temperature, the distance temperature compensation value and the ambient temperature compensation value.
The thermistor is, for example, an NTC (Negative Temperature Coefficient) thermistor. The thermistor 13 is used for detecting the temperature change of the infrared temperature measurement accessory casing 11, so that the measurement result is more accurate. The thermistor 13 is fixed on the infrared temperature measurement accessory casing 11 by using dispensing. In addition, a pin is provided at the bottom of the thermistor 13, and the thermistor 13 is electrically connected to the relay circuit board 10 through the pin.
In this embodiment, the infrared temperature measurement module 1 further includes a temperature-sensitive plastic support 8, the infrared temperature measurement sensor flexible circuit board 7 is fixed on the temperature-sensitive plastic support 8, and the heat insulation film 9 is coated on the infrared temperature measurement sensor flexible circuit board 7 and the periphery of the temperature-sensitive plastic support 8. Moreover, preferably, the flexible circuit board 7 of the infrared temperature measurement sensor is fixed on the temperature-sensitive plastic support 8 through a back adhesive. In addition, the heat insulating film 9 is, for example, a teflon heat insulating film or an aerogel heat insulating film.
In addition, as shown in fig. 2, the distance sensing module includes a distance sensor filter 4 and an infrared filter silicon chip 5, and the distance sensor filter 4 and the infrared filter silicon chip 5 are both attached to the casing 11 of the infrared temperature measurement accessory. The distance sensor filter lens 4 and the infrared filter silicon chip 5 are attached to the casing 11 of the infrared temperature measurement accessory, temperature measurement data can change along with the change of the distance between the infrared temperature measurement sensor and a temperature object to be measured, and when the distance exceeds a certain distance, temperature measurement cannot be carried out; the distance sensing module is used for detecting the distance of a detected object and compensating the distance temperature, so that the accuracy of temperature measurement data is ensured, and when the distance exceeds a certain distance, the system can prompt that the temperature measurement fails and can ensure that the temperature measurement method is correct within a certain distance.
The terminal shell 3 is further provided with a first fixing piece 31, the infrared temperature measurement module 1 is provided with a second fixing piece 14 corresponding to the first fixing piece 31, and the infrared temperature measurement module 1 is fixedly combined with the terminal shell 3 through the second fixing piece 14 and the first fixing piece 31. In this embodiment, the first fixing element 31 and the second fixing element 14 are both threaded holes, and the first fixing element 14 and the second fixing element 31 are fixed by locking and combining with screws 15. However, the invention is not limited thereto, or in another embodiment, the first fixing member is a hook, and the second fixing member is a hole.
Referring to fig. 3, a third fixing element 16 is also disposed on the adapting circuit board 10, and correspondingly, a fourth fixing element 17 is disposed on the infrared temperature measurement accessory housing 11, the third fixing element 16 and the fourth fixing element 17 are both threaded holes, and the third fixing element 16 and the fourth fixing element 17 are fastened and fixed by screws 18, but the invention is not limited thereto.
Referring to fig. 5, fig. 5 is a schematic diagram illustrating an assembly method of an intelligent terminal with an infrared temperature measurement function according to an embodiment of the present invention. The invention also provides an assembly method of the intelligent terminal with the infrared temperature measurement function, which comprises the following steps:
s1, fixing the distance sensing module on the shell of the infrared temperature measurement accessory; the distance sensor filter lens and the infrared filter silicon chip are attached to the casing of the infrared temperature measurement accessory, temperature measurement data can change along with the change of the distance between the infrared temperature measurement sensor and a temperature object to be measured, and temperature measurement cannot be carried out when the distance exceeds a certain distance; the distance sensing module is used for detecting the distance of a detected object and performing distance temperature compensation to ensure the accuracy of temperature measurement data, and when the distance exceeds a certain distance, the system can prompt that the temperature measurement fails and ensure that the correct temperature measurement method is performed within a certain distance;
s2, arranging the infrared temperature measurement sensor on the infrared temperature measurement sensor flexible circuit board, and coating the periphery of the infrared temperature measurement sensor flexible circuit board by using a heat insulation film;
s3, electrically connecting the flexible circuit board of the infrared temperature measurement sensor with the switching circuit board, and fixing the switching circuit board on the shell of the infrared temperature measurement accessory;
s4, electrically connecting the infrared temperature measurement module switching flexible circuit board and the switching circuit board;
and S5, fixing the infrared temperature measurement module on the terminal shell.
In summary, the infrared temperature measurement module is used as an accessory and is designed and fixed outside the housing (rear case) of the intelligent terminal, so that the influence of the internal heat source of the intelligent terminal can be reduced, and the heat of the surrounding environment is further isolated by using the heat insulation film with excellent heat insulation performance, so that the temperature of the infrared temperature measurement sensor body does not change rapidly. In addition, the invention also detects the change of the ambient temperature through the NTC thermistor, corrects and compensates the measured data, and further ensures the temperature measurement accuracy.
The present invention has been described in relation to the above embodiments, which are only examples of the implementation of the present invention. Furthermore, the technical features mentioned in the different embodiments of the present invention described above may be combined with each other as long as they do not conflict with each other. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (10)
1. The utility model provides an intelligent terminal with infrared temperature measurement function, its characterized in that, intelligent terminal includes:
a terminal housing;
the infrared temperature measurement module is connected with the flexible circuit board in a switching way and is arranged in the terminal shell; and
the terminal comprises a terminal shell, an infrared temperature measurement module and a distance sensing module, wherein the infrared temperature measurement module is fixed on the terminal shell and positioned outside the terminal shell, the infrared temperature measurement module comprises an infrared temperature measurement accessory shell, and an infrared temperature measurement sensor, an infrared temperature measurement sensor flexible circuit board, a switching circuit board and a distance sensing module which are arranged in the infrared temperature measurement accessory shell, the infrared temperature measurement sensor is arranged on the infrared temperature measurement sensor flexible circuit board and used for sensing the temperature of an object to be measured and obtaining a measured temperature, a heat insulation film is coated on the periphery of the infrared temperature measurement sensor flexible circuit board, and the distance sensing module is used for sensing the distance between the object to be measured and the infrared temperature measurement sensor and generating a distance signal; one end of the switching circuit board is electrically connected with the infrared temperature measurement module switching flexible circuit board, and the other end of the switching circuit board is electrically connected with the infrared temperature measurement sensor flexible circuit board; and
and the data processing module is electrically connected with the infrared temperature measurement module switching flexible circuit board and is used for acquiring a distance temperature compensation value according to the distance signal and acquiring the actual temperature of the object to be measured according to the measured temperature and the distance temperature compensation value.
2. The intelligent terminal with infrared temperature measurement function according to claim 1, further comprising a thermistor installed on the infrared temperature measurement accessory housing, wherein the thermistor is located on one side of the infrared temperature measurement sensor flexible circuit board and electrically connected to the adapting circuit board, the thermistor is configured to detect a temperature of the infrared temperature measurement accessory housing and generate an ambient temperature signal, and the data processing module is further configured to obtain an ambient temperature compensation value according to the ambient temperature signal, and obtain an actual temperature of the object to be measured according to the measured temperature, the distance temperature compensation value, and the ambient temperature compensation value.
3. The intelligent terminal with infrared temperature measurement function according to claim 2, wherein the thermistor is fixed on the casing of the infrared temperature measurement accessory by glue.
4. The intelligent terminal with infrared temperature measurement function according to claim 1, wherein the infrared temperature measurement module further comprises a temperature-sensitive plastic support, the infrared temperature measurement sensor flexible circuit board is fixed on the temperature-sensitive plastic support, and the heat insulation film is coated on the infrared temperature measurement sensor flexible circuit board and the periphery of the temperature-sensitive plastic support.
5. The intelligent terminal with the infrared temperature measurement function according to claim 4, wherein the flexible circuit board of the infrared temperature measurement sensor is fixed on the temperature-sensitive plastic support through a back adhesive.
6. The intelligent terminal with the infrared temperature measurement function according to claim 1, wherein the distance sensing module comprises a distance sensor filter lens and an infrared filter silicon chip, and the distance sensor filter lens and the infrared filter silicon chip are both attached to the casing of the infrared temperature measurement accessory.
7. The intelligent terminal with infrared temperature measurement function according to claim 1, wherein a first fixing member is disposed on the terminal housing, a second fixing member is disposed on the infrared temperature measurement module corresponding to the first fixing member, and the infrared temperature measurement module is fixed on the terminal housing by combining the first fixing member with the second fixing member.
8. The intelligent terminal with the infrared temperature measurement function according to claim 7, wherein the first fixing member and the second fixing member are both threaded holes, and the first fixing member and the second fixing member are fixed by locking and combining screws; or, the first fixing part is a clamping hook, and the second fixing part is a clamping hole.
9. The intelligent terminal with the infrared temperature measurement function according to claim 1, wherein the heat insulation film is a teflon heat insulation film or an aerogel heat insulation film.
10. An assembling method of an intelligent terminal with an infrared temperature measurement function according to any one of claims 1 to 9, wherein the assembling method comprises the following steps:
s1, fixing the distance sensing module on the infrared temperature measurement accessory shell;
s2, arranging the infrared temperature measurement sensor on the infrared temperature measurement sensor flexible circuit board, and coating the periphery of the infrared temperature measurement sensor flexible circuit board with a heat insulation film;
s3, electrically connecting the flexible circuit board of the infrared temperature measurement sensor with the switching circuit board, and fixing the switching circuit board on the shell of the infrared temperature measurement accessory;
s4, electrically connecting the infrared temperature measurement module switching flexible circuit board and the switching circuit board;
and S5, fixing the infrared temperature measurement module on the terminal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211721951.9A CN115752746A (en) | 2022-12-30 | 2022-12-30 | Intelligent terminal with infrared temperature measurement function and assembling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211721951.9A CN115752746A (en) | 2022-12-30 | 2022-12-30 | Intelligent terminal with infrared temperature measurement function and assembling method thereof |
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| CN115752746A true CN115752746A (en) | 2023-03-07 |
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