Blood pressure monitoring watch based on PPG sensor

Abstract

The utility model provides a PPG sensor-based blood pressure monitoring watch, which comprises a bottom shell, limiting pieces are fixedly connected to two sides of the bottom shell, spring bars are movably clamped on the limiting pieces, one of the limiting pieces is movably clamped with a watchband through the spring bars, and the other limiting piece is movably clamped with a tying band through the spring bars. According to the application, the PPG sensor, the circuit board, the memory chip and the wireless antenna are arranged, so that the equipment can more conveniently irradiate the skin tissue of a user, and finally irradiates the skin tissue into blood of blood capillaries, and then the change of hemoglobin in the blood is obtained through calculation according to the absorption degree and the scattering degree of light, so that the change of the hemoglobin in the blood is calculated. The problem that in the prior art, additional air bag watchbands are mostly needed to be installed during blood pressure detection, and in the long-term use process, the watchbands need to be replaced regularly to guarantee the inflation effect of the watchbands, so that normal operation of oscillography is guaranteed is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of smart watches, and in particular to a blood pressure monitoring watch based on a PPG sensor. Background Art

[0002] Blood pressure monitor watches are smart electronic watches that can be worn on the wrist for a long time, and mainly measure blood pressure through blood pressure sensors. By continuously measuring blood pressure conditions, this blood pressure monitor allows doctors to understand the wearer's blood pressure changes in detail and detect abnormal conditions in a timely manner. Eventually, it will be possible to use this data to predict the onset of heart disease.

[0003] However, most existing watches need to be equipped with an additional airbag strap when performing blood pressure testing. During long-term use, the strap needs to be replaced regularly to ensure the inflation effect of the strap, thereby ensuring the normal operation of the oscillometric method.

[0004] Therefore, a blood pressure monitoring watch based on a PPG sensor is provided to solve the above problems. Summary of the invention

[0005] The purpose of the utility model is to: address the problem.

[0006] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0007] A blood pressure monitoring watch based on a PPG sensor comprises a bottom shell, both sides of which are fixedly connected with limiting pieces, the limiting pieces are movably connected with spring ears, one of the limiting pieces is movably connected with a watch strap via the spring ears, the other limiting piece is movably connected with a strap via the spring ears, one end of the watch strap is provided with a through slot for limiting the strap, one end of the watch strap is movably connected with a connecting piece on one side of the through slot, a fixed button is movably connected with one side of the bottom shell, and an adjusting knob is movably connected with one side of the bottom shell on one side of the fixed button.

[0008] As a preferred technical solution of the present application, a snap-in groove is provided on the inner bottom wall of the bottom shell, and a PPG sensor is movably snap-in connected to the snap-in groove, and ventilation holes are provided on the surfaces of the watch strap and the bolt strap.

[0009] As a preferred technical solution of the present application, a supporting frame is provided on the inner bottom wall of the bottom shell, a circuit board is provided inside the supporting frame, and the PPG sensor is welded to the bottom of the circuit board.

[0010] As a preferred technical solution of the present application, a power supply module is electrically connected to the bottom of the circuit board, a wireless antenna is welded to the upper surface of the circuit board, and an NFC coil is welded to the upper surface of the circuit board on one side of the wireless antenna.

[0011] As a preferred technical solution of the present application, a vibration motor is welded on one side of the NFC coil on the upper surface of the circuit board, and a memory chip is welded on one side of the vibration motor on the upper surface of the circuit board.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the scheme of this application:

[0014] By setting up the PPG sensor, circuit board, memory chip and wireless antenna, the device can more conveniently irradiate the user's skin tissue and finally irradiate the blood in the capillaries. The degree of light absorption and scattering is then calculated to obtain the change of hemoglobin in the blood, and then the user's blood pressure value is obtained. This solves the problem that most of the existing technologies need to install an additional airbag strap when performing blood pressure detection, and during long-term use, the strap needs to be replaced regularly to ensure the inflation effect of the strap, thereby ensuring the normal operation of the oscillometric method. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is one of the overall structural schematic diagrams of a blood pressure monitoring watch based on a PPG sensor provided in this application;

[0016] Figure 2 The second schematic diagram of the overall structure of a blood pressure monitoring watch based on a PPG sensor provided in this application;

[0017] Figure 3 A schematic diagram of the disassembled structure of a blood pressure monitoring watch based on a PPG sensor provided in this application.

[0018] Indicated in the figure:

[0019] Bottom shell; 2. Limiting part; 3. Watch strap; 4. Bolt strap; 5. Through slot; 6. Snap-on part; 7. Fixing button; 8. Adjustment knob; 9. PPG sensor; 10. Air vent; 11. Carrying frame; 12. Circuit board; 13. Wireless antenna; 14. NFC coil; 15. Vibration motor; 16. Memory chip. DETAILED DESCRIPTION

[0020] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0021] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0023] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the invention product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and 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 therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0025] See also Figure 1-Figure 3 The present application provides a blood pressure monitoring watch based on a PPG sensor, including a bottom shell 1, both sides of which are fixedly connected with limiting parts 2, and the limiting parts 2 are movably connected with spring ears, one of the limiting parts 2 is movably connected with a strap 3 through the spring ears, and the other limiting part 2 is movably connected with a bolt strap 4 through the spring ears, one end of the strap 3 is provided with a through groove 5 for limiting the bolt strap 4, one end of the strap 3 is movably connected with a clamping part 6 on one side of the through groove 5, a fixed button 7 is movably connected with one side of the bottom shell 1, and an adjustment knob 8 is movably connected with one side of the bottom shell 1 on one side of the fixed button 7.

[0026] The inner bottom wall of the bottom shell 1 is provided with a snap-in groove, and a PPG sensor 9 is movably snap-in connected with the snap-in groove. The surfaces of the strap 3 and the bolt strap 4 are provided with ventilation holes 10. The inner bottom wall of the bottom shell 1 is provided with a carrier frame 11. A circuit board 12 is provided inside the carrier frame 11. The PPG sensor 9 is welded to the bottom of the circuit board 12. The bottom of the circuit board 12 is electrically connected to a power supply module. A wireless antenna 13 is welded to the upper surface of the circuit board 12. An NFC coil 14 is welded to the upper surface of the circuit board 12 on one side of the wireless antenna 13. A vibration motor 15 is welded to the upper surface of the circuit board 12 on one side of the NFC coil 14. A memory chip 16 is welded to the upper surface of the circuit board 12 on one side of the vibration motor 15.

[0027] Specifically, when using a blood pressure monitoring watch based on a PPG sensor:

[0028] After the user wears it, the PPG sensor 9 irradiates the user's skin tissue and eventually irradiates the blood in the capillaries. The degree of light absorption and scattering is then calculated to obtain the change in hemoglobin in the blood, and then the user's blood pressure value is obtained.

[0029] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A blood pressure monitoring watch based on a PPG sensor, comprising a bottom shell (1), characterized in that: Both sides of the bottom shell (1) are fixedly connected with limiting members (2), and the limiting members (2) are movably connected with spring ears, one of the limiting members (2) is movably connected with a watch strap (3) through the spring ears, and the other limiting member (2) is movably connected with a bolt strap (4) through the spring ears, one end of the watch strap (3) is provided with a through slot (5) for limiting the bolt strap (4), one end of the watch strap (3) is located on one side of the through slot (5) and is movably connected with a clamping member (6), one side of the bottom shell (1) is movably connected with a fixed button (7), and one side of the bottom shell (1) is located on one side of the fixed button (7) and is movably connected with an adjusting knob (8).

2. A blood pressure monitoring watch based on a PPG sensor according to claim 1, characterized in that: The inner bottom wall of the bottom shell (1) is provided with a snap-in groove, and a PPG sensor (9) is movably snap-in connected to the snap-in groove. The surfaces of the watch strap (3) and the bolt strap (4) are both provided with ventilation holes (10).

3. A blood pressure monitoring watch based on a PPG sensor according to claim 1, characterized in that: A bearing frame (11) is provided on the inner bottom wall of the bottom shell (1), a circuit board (12) is provided inside the bearing frame (11), and the PPG sensor (9) is welded to the bottom of the circuit board (12).

4. A blood pressure monitoring watch based on a PPG sensor according to claim 3, characterized in that: The bottom of the circuit board (12) is electrically connected to a power supply module, the upper surface of the circuit board (12) is welded with a wireless antenna (13), and the upper surface of the circuit board (12) is welded with an NFC coil (14) on one side of the wireless antenna (13).

5. A blood pressure monitoring watch based on a PPG sensor according to claim 4, characterized in that: A vibration motor (15) is welded on one side of the upper surface of the circuit board (12) located on the NFC coil (14), and a memory chip (16) is welded on one side of the upper surface of the circuit board (12) located on the vibration motor (15).

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