CN210719464U

CN210719464U - Forehead temperature measuring device based on image acquisition

Info

Publication number: CN210719464U
Application number: CN201921658362.4U
Authority: CN
Inventors: 邓斯浩; 田兵
Original assignee: SHENZHEN JINGXINHAO TECHNOLOGY CO LTD
Current assignee: SHENZHEN JINGXINHAO TECHNOLOGY CO LTD
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-09
Anticipated expiration: 2029-09-30

Abstract

The utility model provides a volume temperature measuring device based on image acquisition, include: the temperature measurement device comprises an image acquisition module, an MCU module, a temperature measurement module, a power supply module and a display module, wherein the image acquisition module comprises a camera unit and an image storage unit, the camera unit is respectively connected with the MCU module and the image storage unit, and the image storage unit is connected with the camera unit; the temperature measuring module, the power supply module and the display module are respectively connected with the MCU module. The utility model discloses can carry out image acquisition through the camera unit, and then can provide the hardware circuit basis for the forehead has the hair or other judgement that shelter from the thing to for improving human forehead temperature measurement degree of accuracy provides the hardware circuit basis, be convenient for make the forehead temperature measure the demand that more is applicable to practical application.

Description

Forehead temperature measuring device based on image acquisition

Technical Field

The utility model relates to a temperature measuring device especially relates to a volume temperature measuring device based on image acquisition.

Background

Forehead temperature refers to forehead temperature for short, when the forehead temperature of a human body is measured, the forehead temperature is different when hair or other shielding objects shield the forehead and when no shielding objects are completely arranged, and the temperature difference value is different under different environmental temperatures, which generally shows that the forehead temperature is higher than the forehead temperature when no shielding objects are arranged, and the temperature difference value is increased along with the reduction of the environmental temperature; the existing commercial forehead temperature measurement products do not have the factor, so the problems of temperature measurement deviation and the like when a shelter is used for measurement can occur.

Disclosure of Invention

The utility model aims to solve the technical problem that a volume temperature measuring device's circuit based on image acquisition needs to be provided, and then provides the hardware circuit basis for improving human forehead temperature measurement degree of accuracy.

To this, the utility model provides a volume temperature measuring device based on image acquisition, include: the temperature measurement device comprises an image acquisition module, an MCU module, a temperature measurement module, a power supply module and a display module, wherein the image acquisition module comprises a camera unit and an image storage unit, the camera unit is respectively connected with the MCU module and the image storage unit, and the image storage unit is connected with the camera unit; the temperature measuring module, the power supply module and the display module are respectively connected with the MCU module.

The utility model discloses a further improvement lies in, the camera unit includes camera U2 and reset circuit, reset circuit includes resistance R11 and electric capacity C29, camera U2 reset pin respectively with resistance R11's one end and electric capacity C29's a terminal nature is connected, resistance R11's the other end is connected to VDD, electric capacity C29's other end ground connection.

The utility model discloses a further improvement lies in, the camera unit still includes NAND gate U6, NAND gate U6 respectively with MCU module and image memory cell are connected.

The utility model discloses a further improvement lies in, the temperature measurement module includes infrared temperature measurement unit and temperature sensing temperature measurement unit, infrared temperature measurement unit and temperature sensing temperature measurement unit respectively with the MCU module is connected, temperature sensing temperature measurement unit with infrared temperature measurement unit is connected.

The utility model discloses a further improvement lies in, power module includes voltage stabilizing circuit and power filter circuit, voltage stabilizing circuit passes through power filter circuit is connected to the camera unit.

The utility model discloses a further improvement lies in, power module still includes boost circuit, boost circuit with voltage stabilizing circuit is connected.

The utility model discloses a further improvement lies in, still includes power source, power source with boost circuit is connected.

The utility model discloses a further improvement lies in, display module includes LCD interface and backlight circuit, LCD interface and backlight circuit respectively with the MCU module is connected, backlight circuit with the camera unit is connected.

The utility model discloses a further improvement lies in, still includes data storage module, data storage module with the MCU module is connected.

The utility model discloses a further improvement lies in, still includes button and buzzing piece, button and buzzing piece respectively with the MCU module is connected.

Compared with the prior art, the beneficial effects of the utility model reside in that: can carry out image acquisition through the camera unit, and then can provide the hardware circuit basis for the forehead has the judgement of having hair or other shelters from the thing to provide the hardware circuit basis for improving human forehead temperature measurement degree of accuracy, be convenient for make the forehead temperature measure the demand that more is applicable to practical application.

Drawings

Fig. 1 is a schematic block diagram of a circuit structure according to an embodiment of the present invention;

fig. 2 is a schematic circuit diagram of an image acquisition module according to an embodiment of the present invention;

fig. 3 is a schematic circuit diagram of an MCU module according to an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a temperature measurement module according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of a power module according to an embodiment of the present invention;

fig. 6 is a schematic circuit diagram of a display module according to an embodiment of the present invention;

fig. 7 is a schematic circuit diagram of a power interface according to an embodiment of the present invention;

FIG. 8 is a circuit schematic of a data storage module according to an embodiment of the present invention;

fig. 9 is a schematic circuit diagram of a key according to an embodiment of the present invention;

fig. 10 is a schematic circuit diagram of a buzzer according to an embodiment of the present invention.

Detailed Description

Preferred embodiments of the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the present example provides an image-acquisition-based forehead temperature measuring device, including: the temperature measurement device comprises an image acquisition module 1, an MCU module 2, a temperature measurement module 3, a power supply module 4 and a display module 5, wherein the image acquisition module 1 comprises a camera unit 101 and an image storage unit 102, the camera unit 101 is respectively connected with the MCU module 2 and the image storage unit 102, and the image storage unit 102 is connected with the camera unit 101; the temperature measuring module 3, the power supply module 4 and the display module 5 are respectively connected with the MCU module 2.

As shown in fig. 2, the camera unit 101 of this embodiment includes a camera U2 and a reset circuit 1011, the reset circuit 1011 includes a resistor R11 and a capacitor C29, a reset pin of the camera U2 is respectively connected to one end of the resistor R11 and one end of the capacitor C29, the other end of the resistor R11 is connected to VDD, and the other end of the capacitor C29 is grounded, so that control functions such as resetting the camera U2 can be realized through the circuit. The camera unit 101 further preferably includes a nand gate U6, and the nand gate U6 is respectively connected to the MCU module 2 and the image storage unit 102, thereby implementing a circuit control basis such as a nand gate. In addition, the camera unit 101 further preferably includes a clock chip Y2 for controlling signals of the fixed frequency clock (OV _ XCLK), etc. to facilitate a hardware basis for image acquisition and identification through a circuit, and image identification to be performed after image acquisition is performed by image analysis and identification in the prior art, which is not claimed in the present application, but only aims to provide a hardware circuit basis capable of improving accuracy of forehead temperature measurement of a human body.

The MCU module in this example adopts an MCU chip in the prior art, as shown in FIG. 3; as shown in fig. 4, the temperature measuring module 3 in this embodiment includes an infrared temperature measuring unit 301 and a temperature sensing temperature measuring unit 302, the infrared temperature measuring unit 301 and the temperature sensing temperature measuring unit 302 are respectively connected to the MCU module 2, and the temperature sensing temperature measuring unit 302 is connected to the infrared temperature measuring unit 301. Preferably, the infrared temperature measurement unit 301 realizes the measurement of target forehead temperature through infrared sensor TP, and the temperature sensing temperature measurement unit 302 realizes the measurement of ambient temperature through thermistor TR, is convenient for carry out simultaneous measurement to forehead temperature and user's ambient temperature.

As shown in fig. 5, the power module 4 in this embodiment preferably includes a voltage stabilizing circuit 401, a power filter circuit 402, and a voltage boost circuit 403, where the voltage stabilizing circuit 401 is connected to the camera unit 101 through the power filter circuit 402, and the voltage boost circuit 403 is connected to the voltage stabilizing circuit 401, so as to ensure stable performance and reliable performance of power supply.

As shown in fig. 7, the present embodiment further includes a power supply interface 6, and the power supply interface 6 is connected to the voltage boost circuit 403, so that the power supply can be connected.

As shown in fig. 6, the display module 5 in this embodiment includes an LCD interface 501 and a backlight circuit 502, the LCD interface 501 and the backlight circuit 502 are respectively connected to the MCU module 2, and the backlight circuit 502 is connected to the camera unit 101, so as to implement LCD display and backlight functions.

In this embodiment, the current temperature value can be displayed by the display circuit of the display module 5, and the presence or absence of hair or other obstruction on the forehead to be measured can be further identified by the image acquisition module 1, and the actual condition of the current forehead, such as the presence or absence of obstruction, is displayed on the display.

As shown in fig. 8, this example preferably further includes a data storage module 7, where the data storage module 7 is connected to the MCU module 2, so as to implement a storage function.

As shown in fig. 9 and 10, the present embodiment further preferably includes a key 8 and a buzzer 9, where the key 8 and the buzzer 9 are respectively connected to the MCU module 2, so as to provide a hardware basis for key control and buzzer reminding.

In summary, the present embodiment can perform image acquisition through the camera unit 101, and then provide a hardware circuit basis for determining whether there is hair on the forehead or other shielding objects, and provide a hardware circuit basis for improving the accuracy of forehead temperature measurement of a human body, so that the forehead temperature measurement is more suitable for the requirements of practical applications.

The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the shape and structure of the present invention are within the protection scope of the present invention.

Claims

1. A forehead temperature measuring device based on image acquisition is characterized by comprising: the temperature measurement device comprises an image acquisition module, an MCU module, a temperature measurement module, a power supply module and a display module, wherein the image acquisition module comprises a camera unit and an image storage unit, the camera unit is respectively connected with the MCU module and the image storage unit, and the image storage unit is connected with the camera unit; the temperature measuring module, the power supply module and the display module are respectively connected with the MCU module.

2. The image-acquisition-based forehead temperature measuring device according to claim 1, wherein the camera unit comprises a camera U2 and a reset circuit, the reset circuit comprises a resistor R11 and a capacitor C29, a reset pin of the camera U2 is respectively connected with one end of the resistor R11 and one end of the capacitor C29, the other end of the resistor R11 is connected to VDD, and the other end of the capacitor C29 is grounded.

3. The image-acquisition-based forehead temperature measuring device according to claim 1, wherein the camera unit further comprises a nand gate U6, and the nand gate U6 is respectively connected with the MCU module and the image storage unit.

4. The forehead temperature measurement device based on image acquisition as claimed in any one of claims 1 to 3, wherein the temperature measurement module comprises an infrared temperature measurement unit and a thermosensitive temperature measurement unit, the infrared temperature measurement unit and the thermosensitive temperature measurement unit are respectively connected with the MCU module, and the thermosensitive temperature measurement unit is connected with the infrared temperature measurement unit.

5. The forehead temperature measuring device based on image acquisition of any one of claims 1-3, wherein the power supply module comprises a voltage stabilizing circuit and a power filter circuit, and the voltage stabilizing circuit is connected to the camera unit through the power filter circuit.

6. The image-acquisition-based forehead temperature measuring device according to claim 5, wherein the power supply module further comprises a voltage boosting circuit, and the voltage boosting circuit is connected with the voltage stabilizing circuit.

7. The image-acquisition-based forehead temperature measuring device according to claim 6, further comprising a power interface connected with the voltage boosting circuit.

8. The forehead temperature measurement device based on image acquisition of any one of claims 1-3, wherein the display module comprises an LCD interface and a backlight circuit, the LCD interface and the backlight circuit are respectively connected with the MCU module, and the backlight circuit is connected with the camera unit.

9. The forehead temperature measurement device based on image acquisition of any one of claims 1-3, further comprising a data storage module, wherein the data storage module is connected with the MCU module.

10. The forehead temperature measuring device based on image acquisition as claimed in any one of claims 1 to 3, further comprising a button and a buzzer, wherein the button and the buzzer are respectively connected with the MCU module.