Heart rate detection device

Abstract

The invention discloses a heart rate detection device which comprises a detector body worn on the wrist of a human body and a detection head clamped at the fingertip, the detection head and the detector body are connected through a spring wire, and an mcu module, a communication module and a data processing module are arranged in the detector body; a sensor group for detecting the heart rate is arranged in the detection head; according to the invention, the sensor group for detecting the heart rate is integrated to the detection head clamped at the fingertip, so that the sensor group is not easy to fall off and does not cause discomfort; the clamping head is driven by the specific driving mechanism, so that the blood pressure detected by the force sensor can be more matched with the actual blood pressure of the human body.

Description

Technical Field

[0001] The present invention relates to the technical field of heart rate detection, in particular to a heart rate detection device. Background Art

[0002] Heart sounds are formed by the opening and closing of the valves during the heartbeat, as well as the vibrations generated by the movement of the myocardium and blood, and can reflect the normal or pathological state of the heart. It contains a large amount of information about the functional status of various parts of the heart, such as the atrium, ventricle, large blood vessels, cardiovascular system, and various valves, and can also reflect the mechanical movement of the heart and large blood vessels. Therefore, heart sound detection is the most basic method for clinical evaluation of cardiac function. As a type of wearable device, a large number of smart watch products have emerged. From the initial display of time and information reminders to the current use of various sensors to monitor and explore people and the surrounding environment, smart watches are gradually maturing.

[0003] However, as a kind of smart watch, electronic bracelets have also been widely popularized in society. However, electronic bracelets in the prior art cause discomfort when the smart watch is only tied to the wrist, and the smart watch cannot be closely attached to the wrist, resulting in inaccurate detection results. Summary of the invention

[0004] In order to solve the defects in the prior art, the present invention provides a heart rate detection device.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: The present invention provides a heart rate detection device, comprising a detector body worn on a human wrist, and a detection head clamped on a fingertip, wherein the detection head and the detector body are connected via a spring wire, and an MCU module, a communication module and a data processing module are arranged inside the detector body; a sensor group for detecting heart rate is arranged inside the detection head, and a signal output end of the sensor group is connected to the data processing module inside the detector body via a spring wire, and a signal output end of the data processing module is connected to an MCU module, and the MCU module is connected to a cloud database via a communication module, and a display screen for displaying heart rate indicators is also arranged on the detector body; A magnetic attraction positioning mechanism is provided between the detection head and the detector body. When the detection head is not in use, the detection head is placed on the surface of the detector body and fixed by the magnetic attraction positioning mechanism. An anti-drop mechanism is provided between the detection head and the finger.

[0006] As a preferred technical solution of the present invention, the anti-slip mechanism includes a restraining belt arranged on the detection head, and the restraining belt is tied to the fingers and fixed by Velcro, a breathable layer is provided on the inner side wall of the restraining belt, and a plurality of breathable holes are provided on the surface of the restraining belt, and a storage mechanism for storing the restraining belt is provided on the detection head.

[0007] As a preferred technical solution of the present invention, the storage mechanism includes a storage cavity arranged at the bottom of the detection head, and a closing door is installed at the bottom of the storage cavity via a spring shaft.

[0008] As a preferred technical solution of the present invention, the magnetic attraction positioning mechanism includes a first magnetic block arranged inside the detection head, and a second magnetic block magnetically attracted to the first magnetic block is provided on the detector body.

[0009] As a preferred technical solution of the present invention, the detection head is provided with an insertion cavity for inserting a finger, and a skin-friendly layer is provided on the outer wall of the insertion cavity, and the sensor group is installed on the bottom side of the insertion cavity, the sensor group includes a blood volume detection sensor and a pressure sensor, and the interior of the detection head is also provided with a chuck that fits with a human finger, and the pressure sensor is installed on the surface of the chuck, and the detection head is provided with a driving mechanism for driving the chuck to move.

[0010] As a preferred technical solution of the present invention, the blood volume detection sensor is used to emit light of a preset wavelength to illuminate the skin of a target area of ​​the user, collect reflected light of the preset wavelength reflected by the skin, and determine the change data of the blood volume of the skin based on the reflected light.

[0011] As a preferred technical solution of the present invention, the driving mechanism includes a screw rod arranged inside the detection head, a moving block moving along the screw rod is provided on the screw rod, and the chuck is arranged inside the detection head and vertically downward, and a guide slope is provided on the upper part of the chuck, and a slope matching the guide slope is provided on the moving block, and an avoidance opening for the screw rod to pass through is provided on the chuck, and a reset spring is provided between the top of the chuck and the detection head.

[0012] As a preferred technical solution of the present invention, the detection method of the heart rate detection device is to insert the finger into the insertion cavity, and then by rotating the screw, the inclined surface on the moving block moves along the guide slope provided on the upper part of the chuck, thereby driving the chuck to move downward, so that the pressure sensor at the bottom of the chuck contacts the human finger, and the blood volume detection sensor is used to emit an output light of a preset wavelength to illuminate the skin of the user's target area, and collect the reflected light of the output light of the preset wavelength reflected by the skin, and determine the change data of the blood volume of the skin according to the reflected light, and the pressure sensor detects the pulse pressure; then the data processing module inside the detector body is connected through a spring wire, the data is pre-processed, and then the MCU module is used for calculation to obtain the heart rate data, and uploaded to the cloud database, and the data in the cloud database is read by a mobile device, and when the heart rate data is abnormal, an alarm is sounded.

[0013] The beneficial effects of the present invention are: 1. In this heart rate detection device, a sensor group for detecting heart rate is integrated into a detection head clamped on the fingertips, so that it is not easy to fall off and will not cause discomfort. There is a magnetic positioning mechanism between the detection head and the detection instrument body. When the detection head is not in use, the detection head is placed on the surface of the detection instrument body and fixed by the magnetic positioning mechanism, which is convenient for daily activities. An anti-slip mechanism is provided between the detection head and the finger. The anti-slip mechanism includes a restraining belt arranged on the detection head, and the restraining belt is tied to the finger and fixed by Velcro. A breathable layer is provided on the inner side wall of the restraining belt, and a plurality of breathable holes are provided on the surface of the restraining belt, so that the detection head is not easy to fall off in daily life, and the clamp is driven by a specific driving mechanism, so that the blood pressure detected by the force sensor can be more consistent with the actual blood pressure of the human body.

[0014] 2. The detection method of the heart rate detection device is as follows: insert the finger into the insertion cavity, and then rotate the screw rod so that the inclined surface on the moving block moves along the guide slope provided on the upper part of the chuck, thereby driving the chuck to move downward, so that the pressure sensor at the bottom of the chuck contacts the human finger, the blood volume detection sensor is used to emit an output light of a preset wavelength to illuminate the skin of the user's target area, and collect the reflected light of the output light of the preset wavelength reflected by the skin, and determine the change data of the blood volume of the skin according to the reflected light, and the pressure sensor detects the pulse pressure; then the data processing module inside the detector body is connected through the spring wire, the data is pre-processed, and then the MCU module is used for calculation to obtain the heart rate data, and the data is uploaded to the cloud database, and the data in the cloud database is read by the mobile device, and when the heart rate data is abnormal, an alarm is sounded. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a structural schematic diagram of a heart rate detection device of the present invention; Figure 2 It is a structural schematic diagram of a detection head of a heart rate detection device of the present invention; Figure 3 It is a structural schematic diagram of an anti-drop mechanism of a heart rate detection device of the present invention; Figure 4 It is a structural schematic diagram of a magnetic attraction positioning mechanism of a heart rate detection device of the present invention; Figure 5 It is a system block diagram of a heart rate detection device of the present invention.

[0016] In the figure: 1. detector body; 2. detection head; 3. spring wire; 4. mcu module; 5. communication module; 6. data processing module; 7. sensor group; 8. cloud database; 9. display screen; 10. magnetic positioning mechanism; 11. anti-slip mechanism; 12. restraint belt; 13. Velcro; 16. storage mechanism; 17. storage cavity; 18. closing door; 19. first magnetic block; 20. second magnetic block; 21. insertion cavity; 22. blood volume detection sensor; 23. pressure sensor; 24. chuck; 25. screw rod; 26. moving block; 27. guide ramp; 28. inclined plane; 29. ​​avoidance; 30. reset spring. DETAILED DESCRIPTION

[0017] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0018] Example: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, a heart rate detection device of the present invention comprises a detector body 1 worn on a human wrist, and a detection head 2 clamped on a fingertip, and the detection head and the detector body 1 are connected via a spring wire 3, and an MCU module 4, a communication module 5 and a data processing module 6 are arranged inside the detector body 1; a sensor group 7 for detecting heart rate is arranged inside the detection head 2, and a signal output end of the sensor group 4 is connected to the data processing module 6 inside the detector body via the spring wire 3, and a signal output end of the data processing module 6 is connected to the MCU module 4, and the MCU module 4 is connected to a cloud database 8 via the communication module 5, and a display screen 9 for displaying heart rate indicators is also arranged on the detector body 1; A magnetic positioning mechanism 10 is provided between the detection head and the detector body 1. When the detection head 2 is not in use, the detection head 2 is placed on the surface of the detector body 1 and fixed by the magnetic positioning mechanism 10. An anti-drop mechanism 11 is provided between the detection head 2 and the finger. The sensor group 7 for detecting the heart rate is integrated into the detection head 2 clamped on the fingertips, so that it is not easy to fall off and will not cause discomfort, and there is a magnetic positioning mechanism 10 between the detection head 2 and the detection instrument body 1. When the detection head 2 is not in use, the detection head 2 is placed on the surface of the detection instrument body 1 and fixed by the magnetic positioning mechanism 10, which is convenient for daily activities. An anti-slip mechanism 11 is provided between the detection head 2 and the finger, and the anti-slip mechanism 11 includes a restraining belt 12 arranged on the detection head 2, and the restraining belt 12 is tied to the finger and fixed by Velcro 13. A breathable layer is provided on the inner side wall of the restraining belt 12, and a plurality of breathable holes are provided on the surface of the restraining belt 12, so that the detection head 2 is not easy to fall off in daily life, and the clamp 24 is driven by a specific driving mechanism, so that the blood pressure detected by the force sensor can be more consistent with the actual blood pressure of the human body.

[0019] Among them, the anti-falling mechanism 11 includes a restraining belt 12 arranged on the detection head, and the restraining belt 12 is tied to the finger and fixed by Velcro 13. A breathable layer is provided on the inner wall of the restraining belt 12, and a plurality of breathable holes are provided on the surface of the restraining belt 12. The detection head 2 is provided with a storage mechanism 16 for storing the restraining belt 12, so that the detection head 2 is not easy to fall off in daily life.

[0020] The storage mechanism 16 includes a storage cavity 17 disposed at the bottom of the detection head, and a closing door 18 is installed at the bottom of the storage cavity 17 via a spring shaft, so as to facilitate storage and carrying when not in use.

[0021] The magnetic positioning mechanism 10 includes a first magnetic block 19 arranged inside the detection head 2, and a second magnetic block 20 magnetically attracted to the first magnetic block is provided on the detection instrument body 1. When the detection head 2 is not in use, the detection head 2 is placed on the surface of the detection instrument body 1 and fixed by the magnetic positioning mechanism 10. This is convenient for daily activities and has the characteristics of simple structure and good positioning effect.

[0022] The detection head 2 is provided with an insertion cavity 21 for inserting a finger, and a skin-friendly layer 22 is provided on the outer wall of the insertion cavity 21, and the sensor group 7 is installed on the bottom side of the insertion cavity 21, and the sensor group 7 includes a blood volume detection sensor 22 and a pressure sensor 23, and the detection head 2 is also provided with a clamp 24 that fits the human finger, and the pressure sensor 23 is installed on the surface of the clamp 24, and the detection head 2 is provided with a driving mechanism for driving the clamp 24 to move. The blood volume detection sensor 22 is used to emit an outgoing light of a preset wavelength to illuminate the skin of the target area of ​​the user, and collect the reflected light of the outgoing light of the preset wavelength reflected by the skin, and determine the change data of the blood volume of the skin according to the reflected light.

[0023] The driving mechanism includes a screw rod 25 arranged inside the detection head 2, a moving block 26 moving along the screw rod 25 is provided on the screw rod 25, and the chuck 24 is arranged inside the detection head 2 and vertically downward, and a guide slope 27 is provided on the upper part of the chuck 24, and a slope 28 matching the guide slope 27 is provided on the moving block 26, and an avoidance opening 29 for the screw rod to pass through is provided on the chuck 24, and a reset spring 30 is provided between the top of the chuck 26 and the detection head 2, so that the overall volume of the detection head is smaller.

[0024] The detection method of the heart rate detection device is as follows: insert the finger into the insertion cavity, and then by rotating the screw rod, the inclined surface on the moving block moves along the guide slope provided on the upper part of the chuck, and drives the chuck to move downward, so that the pressure sensor at the bottom of the chuck contacts the human finger, the blood volume detection sensor is used to emit an output light of a preset wavelength to illuminate the skin of the user's target area, and collect the reflected light of the output light of the preset wavelength reflected by the skin, and determine the change data of the blood volume of the skin according to the reflected light, and the pressure sensor detects the pulse pressure; then the data processing module inside the detector body is connected through the spring wire, the data is pre-processed, and then the MCU module is used for calculation to obtain the heart rate data, and the data is uploaded to the cloud database, and the data in the cloud database is read by the mobile device, and when the heart rate data is abnormal, an alarm is sounded.

[0025] Working principle: The sensor group 7 for detecting the heart rate is integrated into the detection head 2 clamped on the fingertips, so that it is not easy to fall off and will not cause discomfort, and there is a magnetic positioning mechanism 10 between the detection head 2 and the detector body 1. When the detection head 2 is not in use, the detection head 2 is placed on the surface of the detector body 1 and fixed by the magnetic positioning mechanism 10, which is convenient for daily activities. An anti-slip mechanism 11 is provided between the detection head 2 and the finger, and the anti-slip mechanism 11 includes a restraining belt 12 arranged on the detection head 2, and the restraining belt 12 is tied to the finger and fixed by Velcro 13. A breathable layer is provided on the inner side wall of the restraining belt 12, and a plurality of breathable holes are provided on the surface of the restraining belt 12, so that the detection head 2 is not easy to fall off in daily life, and the clamp 24 is driven by a specific driving mechanism, which can make the blood pressure detected by the force sensor more complex. The actual blood pressure of the human body; insert the finger into the insertion cavity, and then rotate the screw rod, and the inclined surface on the moving block moves along the guide slope provided on the upper part of the chuck, thereby driving the chuck to move downward, so that the pressure sensor at the bottom of the chuck contacts the finger of the human body, and the blood volume detection sensor is used to emit an output light of a preset wavelength to illuminate the skin of the user's target area, and collect the reflected light of the output light of the preset wavelength reflected by the skin, and determine the change data of the blood volume of the skin according to the reflected light, and the pressure sensor detects the pulse pressure; then the data processing module inside the detector body is connected through the spring wire, the data is pre-processed, and then the MCU module is used for calculation to obtain the heart rate data, and uploaded to the cloud database, and the data in the cloud database is read by the mobile device, and when the heart rate data is abnormal, an alarm is sounded.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A heart rate detection device, characterized in that: The invention comprises a detector body (1) worn on a human wrist, and a detection head (2) clamped on a fingertip, wherein the detection head and the detector body (1) are connected via a spring wire (3), and an MCU module (4), a communication module (5) and a data processing module (6) are arranged inside the detector body (1); a sensor group (7) for detecting heart rate is arranged inside the detection head (2), and a signal output end of the sensor group (4) is connected to the data processing module (6) inside the detector body via the spring wire (3), and a signal output end of the data processing module (6) is connected to the MCU module (4), and the MCU module (4) is connected to a cloud database (8) via the communication module (5), and a display screen (9) for displaying heart rate indicators is also arranged on the detector body (1); A magnetic attraction positioning mechanism (10) is provided between the detection head and the detection instrument body (1); when the detection head (2) is not in use, the detection head (2) is placed on the surface of the detection instrument body (1) and fixed using the magnetic attraction positioning mechanism (10); and an anti-drop mechanism (11) is provided between the detection head (2) and the finger.

2. A heart rate detection device according to claim 1, characterized in that: The anti-slip mechanism (11) comprises a restraining belt (12) arranged on the detection head, and the restraining belt (12) is tied to the finger and fixed by Velcro (13), an air permeable layer is provided on the inner wall of the restraining belt (12), and a plurality of air permeable holes are provided on the surface of the restraining belt (12), and a storage mechanism (16) for storing the restraining belt (12) is provided on the detection head (2).

3. A heart rate detection device according to claim 2, characterized in that: The storage mechanism (16) comprises a storage chamber (17) provided at the bottom of the detection head, and a closing door (18) is installed at the bottom of the storage chamber (17) via a spring shaft.

4. A heart rate detection device according to claim 1, characterized in that: The magnetic attraction positioning mechanism (10) comprises a first magnetic block (19) arranged inside the detection head (2), and a second magnetic block (20) magnetically attracted to the first magnetic block is provided on the detection instrument body (1).

5. A heart rate detection device according to claim 1, characterized in that: The detection head (2) is provided with an insertion cavity (21) for inserting a finger, and a skin-friendly layer (22) is provided on the outer wall of the insertion cavity (21), and the sensor group (7) is mounted on the bottom side of the insertion cavity (21), the sensor group (7) comprises a blood volume detection sensor (22) and a pressure sensor (23), and the detection head (2) is also provided with a clamp (24) that fits a human finger, and the pressure sensor (23) is mounted on the surface of the clamp (24), and the detection head (2) is provided with a driving mechanism for driving the clamp (24) to move.

6. A heart rate detection device according to claim 5, characterized in that: The blood volume detection sensor (22) is used to emit light of a preset wavelength to illuminate the skin of a target area of ​​a user, collect reflected light of the preset wavelength reflected by the skin, and determine data on changes in the blood volume of the skin based on the reflected light.

7. A heart rate detection device according to claim 5, characterized in that: The driving mechanism comprises a screw (25) arranged inside the detection head (2), a moving block (26) moving along the screw (25) being arranged on the screw (25), and the chuck (24) being arranged inside the detection head (2) and vertically downward, and a guide slope (27) being arranged on the upper part of the chuck (24), and an inclined surface (28) matching the guide slope (27) being arranged on the moving block (26), and an avoidance opening (29) for the screw to pass through being arranged on the chuck (24), and a return spring (30) being arranged between the top of the chuck (26) and the detection head (2).

8. A heart rate detection device according to any one of claims 1 to 7, characterized in that: The detection method of the heart rate detection device is as follows: insert the finger into the insertion cavity, and then by rotating the screw rod, the inclined surface on the moving block moves along the guide slope provided on the upper part of the chuck, and drives the chuck to move downward, so that the pressure sensor at the bottom of the chuck contacts the human finger, the blood volume detection sensor is used to emit an output light of a preset wavelength to illuminate the skin of the user's target area, and collect the reflected light of the output light of the preset wavelength reflected by the skin, and determine the change data of the blood volume of the skin according to the reflected light, and the pressure sensor detects the pulse pressure; then the data processing module inside the detector body is connected through the spring wire, the data is pre-processed, and then the MCU module is used for calculation to obtain the heart rate data, and the data is uploaded to the cloud database, and the data in the cloud database is read by the mobile device, and when the heart rate data is abnormal, an alarm is sounded.

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