CN210249821U - Finger-pressure type blood pressure and heart rate measurer - Google Patents
Finger-pressure type blood pressure and heart rate measurer Download PDFInfo
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- CN210249821U CN210249821U CN201920548509.8U CN201920548509U CN210249821U CN 210249821 U CN210249821 U CN 210249821U CN 201920548509 U CN201920548509 U CN 201920548509U CN 210249821 U CN210249821 U CN 210249821U
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Abstract
The utility model discloses a finger-pressure formula blood pressure rhythm of heart caliber, insert the device on the mobile device during use, the device begins to work, press the finger on the inclined plane through-hole 11 of upper cover 1, detect the flow fluctuation of blood in the record blood vessel through photoelectric sensor 21, obtain a pulse wave that is the pulsatility change, thereby measure the rhythm of the heart, characteristic parameters such as the rising slope of analysis pulse wave and wave band time can obtain specific computational formula, estimate blood pressure numerical value, and demonstrate heart rate value and blood pressure value through the mobile device, this device small in size, and is convenient to carry, the simple easy last resort of application method, especially adapted family and individual use.
Description
Technical Field
The utility model relates to the field of medical equipment, specifically a finger-pressure formula blood pressure rhythm of heart caliber.
Background
With the increasing population of the aged in China, the population of hypertension and hypotension is increased. It is becoming more and more important how to measure blood pressure more conveniently, more quickly and more effectively. The existing blood pressure measuring device has large volume, is inconvenient to carry, has complex using steps, and is extremely inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a small-sized finger-pressing type blood pressure and heart rate measurer.
The utility model provides a technical scheme as follows that above-mentioned technical problem took:
the utility model provides a finger-pressure type blood pressure heart rate caliber, includes upper cover 1, PCBA2 and lower cover 3, PCBA2 is fixed in lower cover 3, upper cover 1 and lower cover 3 fixed connection, be equipped with on the PCBA2 and be used for detecting the mobile photoelectric sensor 21 of blood, be equipped with on the PCBA2 and be used for converting light signal into well accuse module of signal of telecommunication, be equipped with inclined plane through-hole 11 on the upper cover 1, the through-hole position corresponds with the sensor position, be equipped with the power supply connector 22 that is used for the power supply on the PCBA 2.
A method for detecting blood volume change in living tissue by photoelectric means, when light beam with certain wavelength irradiates the surface of finger tip skin, the light beam is transmitted to a photoelectric receiver by transmission or reflection, wherein the absorption of skin, muscle and tissue to light is kept constant in the whole blood circulation, and the blood volume in the skin is pulsated and changed under the action of systole and diastole; when the heart contracts, the blood volume of the peripheral blood vessel is the maximum, the light absorption amount is also the maximum, and the detected light intensity is the minimum; when the heart is in diastole, on the contrary, the blood volume of peripheral blood vessels is the minimum, the detected light intensity is the maximum, the light intensity detected by the photoelectric receiver is in pulsatile change, then the light intensity change signal is converted into an electric signal, the pulse wave waveform of the finger part is collected by the photoelectric sensor 21, characteristic parameters such as the rising slope of the pulse wave, the wave band time and the like are analyzed, a specific calculation formula can be obtained, and the blood pressure value is estimated.
Preferably, the central control module is a single chip microcomputer 23, and the model of the single chip microcomputer 23 is STM32L072KZU 6.
Preferably, the Type of the power supply connector 22 is in the form of Micro USB, Type C, Apple lighting, or Type a USB.
Preferably, the photosensor 21 is a MAX30101 photosensor 21.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The present invention will be described in detail with reference to the accompanying drawings so that the above advantages of the present invention can be more clearly understood.
Fig. 1 is a schematic structural diagram of the finger-pressure type blood pressure and heart rate measuring device of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following specific embodiments.
As shown in fig. 1, a finger pressure type blood pressure and heart rate measurer comprises an upper cover 1, a PCBA2 and a lower cover 3, the PCBA2 is fixed in the lower cover 3, the upper cover 1 is fixedly connected with the lower cover 3, a photoelectric sensor 21 for detecting blood flow is arranged on the PCBA2, a central control module for converting optical signals into electrical signals is arranged on the PCBA2, an inclined through hole 11 is arranged on the upper cover 1, the position of the through hole corresponds to the position of the sensor, and a power supply connector 22 for supplying power is arranged on the PCBA 2.
A method for detecting blood volume change in living tissue by photoelectric means, when light beam with certain wavelength irradiates the surface of finger tip skin, the light beam is transmitted to a photoelectric receiver by transmission or reflection, wherein the absorption of skin, muscle and tissue to light is kept constant in the whole blood circulation, and the blood volume in the skin is pulsated and changed under the action of systole and diastole; when the heart contracts, the blood volume of the peripheral blood vessel is the maximum, the light absorption amount is also the maximum, and the detected light intensity is the minimum; when the heart is in diastole, on the contrary, the blood volume of peripheral blood vessels is the minimum, the detected light intensity is the maximum, the light intensity detected by the photoelectric receiver is in pulsatile change, then the light intensity change signal is converted into an electric signal, the pulse wave waveform of the finger part is collected by the photoelectric sensor 21, characteristic parameters such as the rising slope of the pulse wave, the wave band time and the like are analyzed, a specific calculation formula can be obtained, and the blood pressure value is estimated.
Preferably, the central control module is a single chip microcomputer 23, and the model of the single chip microcomputer 23 is STM32L072KZU 6.
Preferably, the Type of the power supply connector 22 is in the form of Micro USB, Type C, Apple lighting, or Type a USB.
Preferably, the photosensor 21 is a MAX30101 photosensor 21.
The utility model relates to a finger-pressure formula blood pressure rhythm of heart caliber, insert the device on the mobile device during use, the device begins work, press the finger on the inclined plane through-hole 11 of upper cover 1, detect the flow fluctuation of blood in the record blood vessel through photoelectric sensor 21, obtain a pulse wave that is pulsatility change, thereby measure the rhythm of the heart, characteristic parameters such as the rising slope of analysis pulse wave and wave band time can obtain specific computational formula, estimate blood pressure numerical value, and demonstrate heart rate value and blood pressure value through the mobile device, this device small in size, and is convenient to carry, and the simple easy service life of application method, especially adapted family and individual use.
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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a finger-pressure type blood pressure heart rate measurement ware, its characterized in that, includes upper cover (1), PCBA (2) and lower cover (3), PCBA (2) are fixed in lower cover (3), upper cover (1) and lower cover (3) fixed connection, be equipped with photoelectric sensor (21) that are used for detecting the blood flow on PCBA (2), be equipped with on PCBA (2) and be used for converting light signal into the well accuse module of signal of telecommunication, be equipped with inclined plane through-hole (11) on upper cover (1), the through-hole position corresponds with the sensor position, be equipped with power supply connector (22) that are used for the power supply on PCBA (2).
2. The finger-pressure type blood pressure and heart rate measurer according to claim 1, wherein the central control module is a single chip microcomputer (23), and the model of the single chip microcomputer (23) is STM32L072KZU 6.
3. The acupressure Type blood pressure and heart rate measurer according to claim 1, wherein the Type of the power supply connector (22) is Micro USB or Type C or Apple Lihting or Type A USB.
4. The acupressure type sphygmomanometer according to claim 1, wherein the photosensor (21) is a MAX30101 photosensor (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920548509.8U CN210249821U (en) | 2019-04-22 | 2019-04-22 | Finger-pressure type blood pressure and heart rate measurer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920548509.8U CN210249821U (en) | 2019-04-22 | 2019-04-22 | Finger-pressure type blood pressure and heart rate measurer |
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| Publication Number | Publication Date |
|---|---|
| CN210249821U true CN210249821U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920548509.8U Active CN210249821U (en) | 2019-04-22 | 2019-04-22 | Finger-pressure type blood pressure and heart rate measurer |
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| CN (1) | CN210249821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023233901A1 (en) * | 2022-06-01 | 2023-12-07 | 株式会社村田製作所 | Pulse wave signal processing device, biological information measurement device, and pressing force abnormality determination method |
-
2019
- 2019-04-22 CN CN201920548509.8U patent/CN210249821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023233901A1 (en) * | 2022-06-01 | 2023-12-07 | 株式会社村田製作所 | Pulse wave signal processing device, biological information measurement device, and pressing force abnormality determination method |
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