CN110604558A - Mobile terminal and pulse detection method - Google Patents
Mobile terminal and pulse detection method Download PDFInfo
- Publication number
- CN110604558A CN110604558A CN201910900740.3A CN201910900740A CN110604558A CN 110604558 A CN110604558 A CN 110604558A CN 201910900740 A CN201910900740 A CN 201910900740A CN 110604558 A CN110604558 A CN 110604558A
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- Prior art keywords
- light
- mobile terminal
- detection
- human body
- pulse
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02444—Details of sensor
Abstract
The application provides a mobile terminal and a pulse detection method, wherein the mobile terminal comprises: a display screen including a light emitting region for emitting detection light; and the detection device is used for receiving reflected light of the detection light reflected by the human body and determining the pulse information of the human body according to the light intensity of the reflected light. According to the mobile terminal and the pulse detection method, a special heart rate pulse sensor does not need to be carried on the mobile terminal, the space of a Printed Circuit Board (PCB) of the mobile terminal is not occupied, and the integrity and the attractiveness of the mobile terminal are not affected.
Description
Technical Field
The application relates to the technical field of terminals, in particular to a mobile terminal and a pulse detection method.
Background
At present, with the development of society, people pay more and more attention to their own health status, and people can observe their own health status through the heart rate and the pulse condition of self usually in daily life, and for this demand of convenience, most mobile terminals such as cell-phones, tablet computers all carry with heart rate pulse sensor now.
In the related art, a special heart rate and pulse sensor needs to be mounted on a mobile phone to realize a detection function, a Printed Circuit Board (PCB for short) of the mobile phone is occupied in a large space, and an extra hole is needed to influence the integrity and the attractiveness of the mobile phone.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, a first objective of the present application is to provide a mobile terminal, which does not occupy the PCB space of the mobile terminal and does not affect the integrity and the aesthetic property of the mobile terminal.
A second object of the present application is to provide a pulse detection method.
To achieve the above object, an embodiment of a first aspect of the present application provides a mobile terminal, including: a display screen including a light emitting region for emitting detection light; and the detection device is used for receiving reflected light of the detection light reflected by the human body and determining the pulse information of the human body according to the light intensity of the reflected light.
The mobile terminal of this application embodiment utilizes the luminous region transmission of mobile terminal display screen to detect the light, detects the light and reflects back after the human body of contact and is received by detection device, and detection device confirms human pulse information according to the light intensity of reverberation. The mobile terminal of the embodiment of the application does not need to carry a special heart rate pulse sensor, does not occupy the space of a PCB of the mobile terminal, does not need to additionally open holes, and does not influence the integrity and the attractiveness of the mobile terminal.
According to an embodiment of the present application, the mobile terminal of the embodiment of the present application further includes: and the triggering device is used for triggering the light emitting area to emit the detection light when the human body is detected to press a preset detection area.
According to one embodiment of the present application, the detection device in the embodiment of the present application is a photosensitive sensor.
According to an embodiment of the present application, the detection device in the embodiment of the present application is disposed on the top of the mobile terminal.
According to one embodiment of the application, the display screen in the embodiment of the application is a bang screen, and the detection device is arranged in the bang area of the mobile terminal.
According to an embodiment of the present application, the display screen in the embodiment of the present application is a water drop screen, and the detection device is disposed in a water drop area of the mobile terminal.
According to one embodiment of the present application, the detection light in the embodiment of the present application is red light or green light.
According to an embodiment of the present application, the mobile terminal of the embodiment of the present application further includes: the side edge of the display screen is filled with a sealing material for preventing the display screen from light leakage.
In order to achieve the above object, a second aspect of the present application provides a pulse detection method, which is applied in a mobile terminal, and the pulse detection method includes: controlling a light emitting region of the display screen to emit detection light; and the control detection device receives reflected light of the detection light reflected by the human body and determines the pulse information of the human body according to the light intensity of the reflected light.
According to the pulse detection method, the light emitting area of the display screen of the mobile terminal is used for emitting the detection light, the detection light is reflected back to be received by the detection device after contacting the human body, and the detection device determines the pulse information of the human body according to the light intensity of the reflected light. According to the pulse detection method, a special heart rate pulse sensor does not need to be carried on the mobile terminal, the PCB space of the mobile terminal is not occupied, extra holes are not needed, and the integrity and the attractiveness of the mobile terminal are not affected.
According to an embodiment of the present application, the pulse detection method of the embodiment of the present application further includes: and controlling a trigger device to trigger the light-emitting region to emit the detection light when detecting that the human body presses a preset detection region.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application;
fig. 2 is a flowchart illustrating a pulse detection method according to an embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
Heart rate: the heart rate refers to the number of heartbeats per minute of a normal person in a quiet state, also called a quiet heart rate, and is generally 60-100 times/minute, and individual differences can be generated due to age, gender or other physiological factors.
Pulse: the pulse is an artery pulse which can be touched on the surface of a human body. The circulatory system of the human body is composed of the heart, blood vessels and blood and is responsible for the transportation of oxygen, carbon dioxide, nutrients and wastes. The blood is squeezed into the aorta by the contraction of the left ventricle of the heart and then delivered to the systemic arteries. The artery is a conduit formed by connective tissues and muscles with high elasticity. When a large amount of blood enters the artery, the pressure of the artery is increased to expand the caliber of the artery, and the artery at a shallow part of the body surface can feel the expansion, namely the pulse, and the pulse and the heart rate of a normal person are consistent.
For clarity of explanation of the mobile terminal and the pulse detection method according to the embodiment of the present application, the following detailed description will be made on the working principle of the heart rate and pulse sensor. The heart rate pulse sensor is similar to a large-package proximity light sensor, the basic principle is similar to that of the proximity light sensor, the heart rate pulse sensor emits light waves with specific wavelengths, the light waves contact with the skin of a human body (generally fingers) and then reflect light to the receiving photosensitive area, and the receiving photosensitive area collects and judges heart rate pulses. Specifically, when the detection Light emitted by a Light Emitting Diode (LED) in the heart rate pulse sensor is irradiated to the skin, the absorption of Light by muscles, bones, veins and other connective tissues is basically unchanged without a large amount of movement of the irradiated part, but since the blood in the artery flows and the absorption of Light naturally changes, the flowing characteristics of the blood can be monitored by using the characteristic, and the change of the heart rate pulse is reflected. When the LED light is emitted to the skin, the light reflected back through the skin tissue is received by a photosensitive sensor in the heart rate pulse sensor and converted into electric signals, wherein the electric signals comprise direct current signals fed back after irradiating muscles, bones, veins and other connecting tissues and alternating current signals fed back after irradiating blood, and then the electric signals are converted into digital signals through a digital-to-analog converter for feeding back the characteristics of blood flow. Because blood periodically flows along with the contraction and the expansion of the heart, the flow of the blood at the finger tips can also be different, and the absorption and the reflection of light rays can also be different, so that the light rays received by the photosensitive sensor can also be periodically changed, and the heart rate and pulse information can be detected. This method is called photoplethysmography (photoplethysmography, PPG for short).
The mobile terminal and the pulse detection method according to the embodiment of the present application are described below with reference to the drawings.
Fig. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application. As shown in fig. 1, the mobile terminal includes: a display screen 11 and a detection device 12.
The display panel 11 includes a light emitting region 13 for emitting detection light;
and the detection device 12 is used for receiving the reflected light of the detection light reflected by the human body and determining the pulse information of the human body according to the light intensity of the reflected light.
Specifically, a light emitting region 13 is disposed on the display screen 11 as a light emitting source, the light emitting region 13 emits detection light toward a human body, such as a finger, and the detection device 12 receives reflected light of the detection light reflected by the human body, and the detection device 12 determines pulse information of the human body according to light intensity of the reflected light.
The mobile terminal of this application embodiment utilizes the luminous region transmission of display screen to detect the light, detects the light and reflects back after the human body of contact and is received by the detection device, and detection device confirms human pulse information according to the light intensity of reverberation. The mobile terminal of the embodiment of the application does not need to carry a special heart rate pulse sensor, does not occupy the space of a PCB of the mobile terminal, does not need to additionally open holes, and does not influence the integrity and the attractiveness of the mobile terminal.
Further, as shown in fig. 1, the mobile terminal according to the embodiment of the present application may further include: and the triggering device is used for triggering the light-emitting region to emit detection light when detecting that the human body presses the preset detection region 14.
Specifically, in order to ensure that the detection light emitted from the light-emitting region 13 can be received by the detection device 12 after being reflected by the human body, a detection region 14 is required to be provided as required. In order to ensure the normal display function of the display screen 11 under the condition of not detecting the pulse, a triggering device is required to be arranged, and is used for triggering the light emitting region 13 to emit the detection light when the human body is detected to press the preset detection region 14, namely when the pulse condition needs to be detected, the human body presses the preset detection region 14, the light emitting region 13 emits the detection light, so that the pulse detection function is realized, and when the pulse condition does not need to be detected, the light emitting region 13 normally displays the original image information, so that the normal display function of the display screen 11 is realized.
Further, the detecting device 12 may be a photosensitive device such as a photosensor.
Further, as shown in fig. 1, the detecting device 12 may be specifically disposed on the top of the mobile terminal.
Further, as shown in fig. 1, the display screen 11 may be a bang screen, and in this case, the detection device 12 may be disposed in the bang area of the mobile terminal.
Further, the display 11 may be a water drop screen, and the detection device 12 may be disposed in a water drop area of the mobile terminal.
In addition, the display 11 may be a punching screen, and in this case, the detecting device 12 may be disposed in a punching area of the mobile terminal. The display 11 may also be a slit screen, in which case the detection means 12 may be arranged in the area of a slit in the mobile terminal.
Further, the detection light emitted from the light emitting region 13 may be specifically red light, green light, or the like.
Specifically, the green light or the red light is generally selected as the detection light, mainly considering the following factors: 1. melanin of the skin absorbs a large number of light waves of shorter wavelength; 2. moisture on the skin also absorbs a large amount of Ultraviolet (UV) and Infrared (IR) light waves; 3. the green (500nm) -yellow (600nm) light entering the skin tissue will be mostly absorbed by the red blood cells; 4. red light and light near IR pass through skin tissue more easily than other wavelengths; 5. blood absorbs more light than other tissues; 6. green (green-yellow) light can be absorbed by oxyhemoglobin and deoxyhemoglobin compared to red light. However, considering the difference of skin conditions (skin color, sweat, etc.), high-end products automatically switch to use a plurality of detection lights such as green light, red light, IR, etc. according to the conditions.
Further, in order to avoid the influence of the light leakage of the display screen 11 on the detection device for receiving the reflected light, the side of the display screen 11 may be filled with a sealing material for preventing the light leakage of the display screen 11, and specifically, the side of the display screen 11 may be filled with the sealing material by dispensing or the like.
The mobile terminal of this application embodiment utilizes the luminous region transmission of mobile terminal display screen to detect the light, detects the light and reflects back after the human body of contact and is received by detection device, and detection device confirms human pulse information according to the light intensity of reverberation. Need not to carry on a special "rhythm of the heart pulse sensor" on the mobile terminal of this application embodiment, do not occupy mobile terminal PCB space, need not extra trompil, do not influence mobile terminal's integrality and aesthetic property.
Fig. 2 is a schematic flow chart of a pulse detection method according to an embodiment of the present disclosure. The pulse detection method of the embodiment of the application can be applied to the mobile terminal of the embodiment. As shown in fig. 2, the pulse detection method specifically includes:
s201, controlling a light emitting area of the display screen to emit detection light.
S202, controlling the detection device to receive reflected light of the detection light reflected by the human body, and determining pulse information of the human body according to the light intensity of the reflected light.
Further, in another possible implementation manner of the embodiment of the present application, the pulse detection method may further include: and controlling the trigger device to trigger the light-emitting area to emit detection light when detecting that the human body presses the preset detection area.
It should be noted that the foregoing explanation of the embodiment of the mobile terminal is also applicable to the pulse detection method of the embodiment, and is not repeated here.
According to the pulse detection method, the light emitting area of the display screen of the mobile terminal is used for emitting the detection light, the detection light is reflected back to be received by the detection device after contacting the human body, and the detection device determines the pulse information of the human body according to the light intensity of the reflected light. According to the pulse detection method, a special heart rate pulse sensor does not need to be carried on the mobile terminal, the PCB space of the mobile terminal is not occupied, extra holes are not needed, and the integrity and the attractiveness of the mobile terminal are not affected.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A mobile terminal, comprising:
a display screen including a light emitting region for emitting detection light;
and the detection device is used for receiving reflected light of the detection light reflected by the human body and determining the pulse information of the human body according to the light intensity of the reflected light.
2. The mobile terminal of claim 1, further comprising:
and the triggering device is used for triggering the light emitting area to emit the detection light when the human body is detected to press a preset detection area.
3. The mobile terminal of claim 1, wherein the detection device is a light-sensitive sensor.
4. The mobile terminal of claim 1, wherein the detection device is disposed on a top portion of the mobile terminal.
5. The mobile terminal of claim 4, wherein the display screen is a bang screen, and the detection device is disposed in a bang area of the mobile terminal.
6. The mobile terminal of claim 4, wherein the display screen is a water drop screen, and the detecting device is disposed in a water drop area of the mobile terminal.
7. The mobile terminal of claim 1, wherein the detected light is red or green light.
8. The mobile terminal of claim 1, wherein the sides of the display are filled with an encapsulant to prevent light leakage from the display.
9. A pulse detection method is applied to a mobile terminal, and comprises the following steps:
controlling a light emitting region of the display screen to emit detection light;
and the control detection device receives reflected light of the detection light reflected by the human body and determines the pulse information of the human body according to the light intensity of the reflected light.
10. The pulse detection method according to claim 9, further comprising:
and controlling a trigger device to trigger the light-emitting region to emit the detection light when detecting that the human body presses a preset detection region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910900740.3A CN110604558A (en) | 2019-09-23 | 2019-09-23 | Mobile terminal and pulse detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910900740.3A CN110604558A (en) | 2019-09-23 | 2019-09-23 | Mobile terminal and pulse detection method |
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| CN110604558A true CN110604558A (en) | 2019-12-24 |
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| CN201910900740.3A Pending CN110604558A (en) | 2019-09-23 | 2019-09-23 | Mobile terminal and pulse detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113160977A (en) * | 2020-01-03 | 2021-07-23 | 北京小米移动软件有限公司 | Method, device and medium for detecting user health state |
| EP3926527A3 (en) * | 2020-06-17 | 2022-03-09 | Beijing Xiaomi Mobile Software Co., Ltd. | Optical fingerprint module and signal processing method |
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| CN106333657A (en) * | 2016-10-09 | 2017-01-18 | 京东方科技集团股份有限公司 | Photoelectric sensor, control method thereof and pulse detector |
| CN109922722A (en) * | 2019-01-30 | 2019-06-21 | 深圳市汇顶科技股份有限公司 | The method, apparatus and electronic equipment of heart rate detection |
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| CN104224144A (en) * | 2014-09-28 | 2014-12-24 | 成都金海鼎盛科技有限公司 | Photoelectric plethysmography photoelectric detection sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113160977A (en) * | 2020-01-03 | 2021-07-23 | 北京小米移动软件有限公司 | Method, device and medium for detecting user health state |
| EP3926527A3 (en) * | 2020-06-17 | 2022-03-09 | Beijing Xiaomi Mobile Software Co., Ltd. | Optical fingerprint module and signal processing method |
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