A pulse monitoring device applied to earphone
By designing a light-guiding ring and a light-guiding earphone sleeve inside the earphone as a pulse acquisition component, combined with a connecting sleeve and a positioning pin, the problems of large size and uncomfortable wearing of existing earphone pulse monitoring devices are solved, and efficient and accurate pulse signal acquisition is achieved.
Patent Information
- Application Number
- CN202310486686.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-04-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2043-04-28
AI Technical Summary
Existing pulse monitoring devices for headphones are bulky, altering the headphone shell structure, resulting in poor wearing comfort, poor skin contact, inaccurate pulse signal measurement, and issues such as light leakage and interference.
A pulse monitoring device was designed, comprising an earphone body, a speaker front cavity, a pulse acquisition component, and a connecting component. The pulse acquisition component collects pulse information inside the earphone through a light guide ring and a light guide earphone sleeve. The device utilizes an isolation strip between the light-emitting component and the photosensitive component, combined with a connecting sleeve and a positioning pin, to achieve quick fixation and disassembly, avoiding interference from light.
Without altering the external structure of the headphones, wearing comfort has been improved, accurate pulse signal acquisition has been ensured, and the effects of light leakage and interference have been avoided, thus achieving efficient pulse monitoring.
Smart Images

Figure CN116616735B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the earphone technical field, in particular to a pulse monitoring device applied to an earphone. BACKGROUND
[0002] The Bluetooth earphone is an earphone to which the Bluetooth technology is applied, so that a user can freely communicate in various ways without being restricted by annoying wires. In order to improve the use effect of the Bluetooth earphone, a pulse monitoring device is added to the earphone, so as to collect pulse information at an ear canal of the user and increase the health care effect.
[0003] However, the existing pulse monitoring device for the earphone is large in size, changes the original structure of the earphone shell and has a general wearing effect. In addition, the pulse monitoring device has the problems of light leakage and interference light due to poor contact with the skin, so that the pulse signal measurement is inaccurate and the pulse monitoring effect is poor. Therefore, the pulse monitoring device applied to the earphone is provided to solve the above problems. SUMMARY
[0004] The application aims to provide a pulse monitoring device applied to an earphone to solve the problems in the background.
[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a pulse monitoring device applied to an earphone, comprising an earphone body, a loudspeaker front cavity is fixedly arranged on one side of the earphone body, a pulse collection assembly is arranged on the outer side of the loudspeaker front cavity, a connecting assembly is arranged between the loudspeaker front cavity and the pulse collection assembly, and a light guide earphone rubber sleeve is detachably arranged on the side, away from the earphone body, of the pulse collection assembly; the earphone body comprises an earphone substrate, the loudspeaker front cavity is fixedly installed on the earphone substrate, an envelope is detachably installed on the side, away from the earphone body, of the earphone substrate, and a main control chip and a power supply unit are fixedly installed on the side, away from the earphone body, of the earphone substrate; the pulse collection assembly comprises a light guide ring column, a pulse collection unit is fixedly installed at the end of the light guide ring column, the pulse collection unit comprises a light emitting assembly and a light sensing assembly, an isolation belt is arranged between the light emitting assembly and the light sensing assembly, and the isolation belt comprises but is not limited to an annular pulse collection unit.
[0006] Preferably, the pulse collection unit is in an annular structure.
[0007] Preferably, the light emitting assembly comprises a red light LED, an infrared light LED, a green light LED, a red light LED and an infrared light LED, a red light LED, an infrared light LED and a green light LED, a red light LED and a green light LED, or a green light LED and an infrared light LED.
[0008] Preferably, the light sensing assembly is a photoelectric sensor.
[0009] Preferably, the light guide earphone rubber sleeve is detachably sleeved on the end of the light guide column.
[0010] Preferably, the light guide earphone rubber sleeve is made of light guide material.
[0011] Preferably, the connecting assembly comprises a connecting sleeve fixedly clamped in the light guide column, the connecting sleeve movably sleeved on the outer side of the front cavity of the loudspeaker, the top of the front cavity of the loudspeaker is integrally formed with a limiting convex strip, a limiting groove is formed on the inner wall of the connecting sleeve, the limiting convex strip is movably clamped in the limiting groove, a positioning clamping column is fixedly installed on the side of the connecting sleeve close to the top of the front cavity of the loudspeaker, a positioning recess is formed on the top of the front cavity of the loudspeaker corresponding to the positioning clamping column, the positioning clamping column is movably clamped in the corresponding positioning recess, an electrical / signal connecting piece is fixedly installed on the limiting convex strip, an electrical / signal connecting slot corresponding to the electrical / signal connecting piece is formed on the inner side of the connecting sleeve at the position of the limiting groove, first limiting rings are fixedly clamped on the top and bottom of the electrical / signal connecting slot, an electrical / signal connecting head used in cooperation with the electrical / signal connecting piece is movably clamped in the middle of the first limiting ring at the bottom position, the electrical / signal connecting head contacts the corresponding electrical / signal connecting piece, a second limiting ring is fixedly sleeved on the outer side of the electrical / signal connecting head, the lower surface of the second limiting ring contacts the lower surface of the first limiting ring at the bottom position, and a first spring is fixedly installed between the top end of the second limiting ring and the first limiting ring at the top position.
[0012] Preferably, the connecting assembly further comprises a positioning outer frame fixedly clamped on the top of the front cavity of the loudspeaker at the position of the positioning recess, a positioning inner frame is fixedly clamped on the bottom end of the positioning outer frame, a limiting disc is slidably clamped on the bottom of the positioning inner frame, a limiting shaft is fixedly installed on the bottom end of the limiting disc, the bottom of the limiting shaft movably penetrates the bottom end of the positioning inner frame, a limiting groove corresponding to the limiting shaft is formed on the top of the positioning clamping column, the bottom of the limiting shaft is movably clamped in the corresponding limiting groove, a second spring is fixedly installed between the top end of the limiting disc and the inner upper wall of the positioning inner frame, a pull shaft is fixedly installed on the middle of the top end of the limiting disc, the pull shaft movably penetrates the positioning inner frame and the positioning outer frame, and a pull knob is fixedly installed on the top of the pull shaft extending out of the top end of the positioning outer frame.
[0013] Preferably, the bottom of the limiting shaft and the end of the positioning clamping column are provided with inclined structures for mutual cooperation.
[0014] Preferably, the pulse monitoring device includes an information acquisition system, an information transmission system, an information processing system, and an information feedback system. The information acquisition system is used to acquire pulse information. The acquired pulse information is transmitted to the information processing system through the information transmission system for information processing. The information feedback system provides feedback on the processed information.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0016] 1. By setting up a pulse acquisition component, the pulse information of the human body can be measured on the basis of the current headphones without changing the external structure of the headphones. The wearing comfort is improved, and the data is collected inside the ear, avoiding the influence of interference light or light leakage.
[0017] 2. By setting up a connection component, the connection between the front cavity of the horn and the pulse acquisition component can be quickly fixed, as well as the connection between the pulse acquisition unit and the main control chip can be achieved, and the pulse acquisition component can be quickly disassembled. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the structure of the present invention.
[0020] Figure 2 This is a schematic diagram of the structural connections after the invention has been disassembled.
[0021] Figure 3 This is a schematic diagram of another structural connection after the invention has been disassembled.
[0022] Figure 4 This is a schematic diagram of the pulse acquisition component in this invention.
[0023] Figure 5 This is a schematic diagram showing the structural connection between the speaker front cavity and the connecting assembly in this invention.
[0024] Figure 6 For the present invention Figure 5 Enlarged view of point A in the middle.
[0025] Figure 7 For the present invention Figure 5 Enlarged view of point B in the middle.
[0026] In the diagram: 1. Earphone body; 2. Speaker front cavity; 3. Pulse acquisition component; 31. Light guide ring; 32. Pulse acquisition unit; 321. Light-emitting component; 322. Photosensitive component; 33. Isolation strip; 4. Connecting component; 5. Light guide earphone sleeve; 11. Earphone base plate; 12. Shell; 13. Main control chip; 14. Power supply unit; 41. Connecting sleeve; 21. Limiting protrusion; 211. Limiting groove; 42. Positioning pin; 421. Positioning groove; 43. Electrical / signal connection piece; 431. Electrical / signal connection through slot; 432. First limiting ring; 433. Second limiting ring; 434. Electrical / signal connector; 435. First spring; 44. Positioning outer frame; 45. Positioning inner frame; 46. Limiting plate; 47. Limiting shaft; 471. Limiting groove; 48. Second spring; 49. Pull shaft; 491. Pull button. Detailed Implementation
[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0028] Example: Figures 1-7 As shown, the present invention provides a pulse monitoring device for headphones, including a headphone body 1. A speaker front cavity 2 is fixedly provided on one side of the headphone body 1, and a pulse acquisition component 3 is provided on the outer side of the speaker front cavity 2. A connecting component 4 is provided between the speaker front cavity 2 and the pulse acquisition component 3. A light-guiding headphone sleeve 5 is detachably fitted on the side of the pulse acquisition component 3 away from the headphone body 1. The headphone body 1 includes a headphone base plate 11, the speaker front cavity 2 is fixedly mounted on the headphone base plate 11, and a cover 12 is detachably installed on the side of the headphone base plate 11 away from the headphone body 1. The main control chip 13 and power supply unit 14 are fixedly installed on the side of board 11 away from the headphone body 1; the pulse acquisition component 3 includes a light guide ring 31, and a pulse acquisition unit 32 is fixedly installed at the end of the light guide ring 31. The pulse acquisition unit 32 is designed as a ring structure; the ring structure pulse acquisition unit 32 can comprehensively detect the human pulse signal; the pulse acquisition unit 32 includes a light-emitting component 321 and a photosensitive component 322, and an isolation strip 33 is provided between the light-emitting component 321 and the photosensitive component 322. The isolation strip 33 is not limited to being on the ring pulse acquisition unit 32.
[0029] The light-emitting component 321 comprises a red light LED or an infrared light LED or a green light LED or a red light LED and an infrared light LED or a red light LED, an infrared light LED and a green light LED or a red light LED and a green light LED or a green light LED and an infrared light LED.
[0030] The light-sensing component 322 is a photosensor, and is configured to convert a light signal into an electric signal.
[0031] The light guide earphone rubber sleeve 5 is detachably sleeved on the end of the light guide ring column 31.
[0032] The light guide earphone rubber sleeve 5 is made of a light guide material.
[0033] The connecting component 4 comprises a connecting sleeve 41, which is fixedly connected to the light guide ring column 31 and movably sleeved on the outer side of the front cavity 2 of the loudspeaker. The top of the front cavity 2 is integrally formed with a limiting convex strip 21. A limiting recess 211 is formed in the inner wall of the connecting sleeve 41. The limiting convex strip 21 is movably connected to the limiting recess 211. A positioning clamping column 42 is fixedly installed on the side of the connecting sleeve 41 close to the top of the front cavity 2. A positioning recess 421 corresponding to the positioning clamping column 42 is formed in the top of the front cavity 2. The positioning clamping column 42 is movably connected to the corresponding positioning recess 421. The positioning clamping column 42 is movably connected to the corresponding positioning recess 421, so that the light guide ring column 31 and the front cavity 2 of the loudspeaker are quickly connected.
[0034] The limiting convex strip 21 is fixedly installed with an electric / signal connecting piece 43. The inner side of the connecting sleeve 41 at the position of the limiting recess 211 is provided with an electric / signal connecting slot 431 corresponding to the electric / signal connecting piece 43. First limiting rings 432 are fixedly connected to the top and bottom of the electric / signal connecting slot 431. An electric / signal connecting head 434 corresponding to the electric / signal connecting piece 43 is movably connected to the middle of the first limiting ring 432 at the bottom. The electric / signal connecting head 434 is in contact with the corresponding electric / signal connecting piece 43. The electric / signal connecting head 434 is connected to the pulse acquisition unit 32, and the electric / signal connecting piece 43 is connected to the main control chip 13. The electric / signal connecting head 434 is in contact with the corresponding electric / signal connecting piece 43, so that the pulse acquisition unit 32 and the main control chip 13 are connected. The pulse acquisition unit 32 sends the collected information to the main control chip 13 through UART. The main control chip 13 is responsible for transmitting the data information to the mobile phone software through the Bluetooth module in the earphone body 1, and then obtaining the heart rate, blood oxygen and other physiological indexes and the corresponding health report.
[0035] The outer side of the electric / signal connector 434 is provided with a second limiting ring 433, the lower surface of the second limiting ring 433 is in contact with the lower surface of the first limiting ring 432, the top end of the second limiting ring 433 is fixedly installed between the top of the first limiting ring 432, and the first spring 435 is fixedly installed. By setting the first spring 435, the first limiting ring 432 and the electric / signal connector 434 are driven by the reaction force of the first spring 435, so that the electric / signal connector 434 and the corresponding electric / signal connecting piece 43 are always in contact.
[0036] The connecting assembly 4 further comprises a positioning outer frame 44 fixedly clamped at the top of the horn front cavity 2 at the position of the positioning groove 421, a positioning inner frame 45 fixedly clamped at the bottom end of the positioning outer frame 44, a limiting disc 46 slidably clamped at the bottom of the positioning inner frame 45, a limiting shaft 47 fixedly installed at the bottom end of the limiting disc 46, and the bottom of the limiting shaft 47 movably penetrates the bottom end of the positioning inner frame 45. The bottom of the limiting shaft 47 and the end of the positioning clamping column 42 are provided as inclined structures for mutual use.
[0037] The top of the positioning clamping column 42 is provided with a limiting groove 471 corresponding to the limiting shaft 47, the bottom of the limiting shaft 47 is movably clamped in the corresponding limiting groove 471, the top end of the limiting disc 46 and the inner upper wall of the positioning inner frame 45 are fixedly installed with the second spring 48, the top end of the limiting disc 46 is fixedly installed with the pull shaft 49, the pull shaft 49 movably penetrates the positioning inner frame 45 and the positioning outer frame 44, and the top of the pull shaft 49 extends out of the top end of the positioning outer frame 44 and is fixedly installed with a pull knob 491.
[0038] When the light guide ring column 31 and the horn front cavity 2 are quickly clamped, the positioning clamping column 42 is movably clamped in the corresponding positioning groove 421, during which the bottom of the limiting shaft 47 and the end of the positioning clamping column 42 are provided as inclined structures for mutual use, the positioning clamping column 42 lifts the limiting shaft 47, presses the limiting disc 46 and the second spring 48, the second spring 48 shrinks, the pull shaft 49 moves up, until the bottom of the limiting shaft 47 and the limiting groove 471 are in position, and the bottom of the limiting shaft 47 is movably clamped in the corresponding limiting groove 471, thereby positioning the positioning clamping column 42 and the light guide ring column 31, and realizing the quick fixing between the horn front cavity 2 and the pulse collection assembly 3. When the pulse collection assembly 3 needs to be disassembled, the pull knob 491 is pulled to drive the pull shaft 49 to move up, the limiting disc 46 is moved up, the second spring 48 is contracted, the bottom of the limiting shaft 47 is separated from the corresponding limiting groove 471, and the light guide ring column 31 is translated and pulled out, thereby quickly disassembling the pulse collection assembly 3.
[0039] The pulse monitoring device comprises an information acquisition system, an information transmission system, an information processing system and an information feedback system, the information acquisition system is used for pulse information acquisition, the collected pulse information is transmitted to the information processing system through the information transmission system for information processing, and the information feedback system feeds back the processed information.
[0040] Working principle: when in use, the pulse acquisition assembly 3 is quickly installed between the front cavity 2 of the loudspeaker, the pulse acquisition assembly 3 is movably sleeved on the outside of the front cavity 2 of the loudspeaker through the connecting sleeve 41, at this time, the positioning clamping column 42 is movably clamped in the corresponding positioning groove 421, the light guide ring column 31 is quickly clamped between the front cavity 2 of the loudspeaker, during the clamping, the bottom of the limiting shaft 47 and the end of the positioning clamping column 42 are provided as inclined structures matched with each other, the positioning clamping column 42 lifts the limiting shaft 47, the limiting disc 46 and the second spring 48 are extruded, the second spring 48 is contracted, the pull shaft 49 is moved upwards, until the bottom of the limiting shaft 47 and the limiting groove 471 are in position correspondence, the bottom of the limiting shaft 47 is movably clamped in the corresponding limiting groove 471, so that the positioning clamping column 42 is positioned, and then the light guide ring column 31 is positioned, the front cavity 2 of the loudspeaker and the pulse acquisition assembly 3 are quickly fixed, at the same time, the electrical / signal connecting head 434 and the corresponding electrical / signal connecting piece 43 are in contact, the pulse acquisition unit 32 and the main control chip 13 are connected;
[0041] When the pulse acquisition assembly 3 needs to be disassembled, the pull knob 491 is pulled to drive the pull shaft 49 to move upwards, the limiting disc 46 is moved upwards, the second spring 48 is contracted, the bottom of the limiting shaft 47 is separated from the corresponding limiting groove 471, so that the light guide ring column 31 is translated and pulled out, and the pulse acquisition assembly 3 is quickly disassembled;
[0042] The power supply unit 14 is powered on and waits to receive the "start acquisition" serial command sent by the main control chip 13 in the earphone body 1, the main control chip 13 controls the constant current driver to alternately control the light emitting assembly 321 to emit light; red light, infrared light and green light alternately flash, are transmitted to the light guide earphone rubber sleeve 5 through the light guide ring column 31, the light is reflected after being diffusely reflected and irradiating the skin surface, and then is propagated to the photosensitive assembly 322 through the light guide ring column 31. In this process, the blood volume in the skin changes under the action of the heart, so the reflected light will have the information of the pulse fluctuation. These information is converted into an electrical signal by the photosensitive assembly 322, and is collected by the ADC inside the chip, and the data waveform is transmitted to the main control chip 13 through the UART interface, the main control chip 13 processes the collected signal to obtain the physiological indexes such as heart rate and blood oxygen, and then sends the health data report to the mobile phone terminal software through the earphone Bluetooth or earphone line;
[0043] The device can measure the pulse information of the human body on the basis of the current earphone by arranging the pulse collecting component 3, does not change the external structure of the earphone, the wearing comfort of people is improved, the data is collected in the ear, and the influence of interfering light or light leakage is avoided.
[0044] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A pulse monitoring device for use in headphones, comprising a headphone body (1), characterized in that: The earphone body (1) has a speaker front cavity (2) fixedly provided on one side, and a pulse acquisition component (3) is provided on the outside of the speaker front cavity (2). A connecting component (4) is provided between the speaker front cavity (2) and the pulse acquisition component (3). A light guide earphone sleeve (5) is detachably fitted on the side of the pulse acquisition component (3) away from the earphone body (1). The earphone body (1) includes an earphone base plate (11). The speaker front cavity (2) is fixedly installed on the earphone base plate (11). The side of the earphone base plate (11) away from the earphone body (1) is detachably installed. The device has a casing (12). A main control chip (13) and a power supply unit (14) are fixedly mounted on the side of the headphone substrate (11) away from the headphone body (1). The pulse acquisition component (3) includes a light guide ring (31), and a pulse acquisition unit (32) is fixedly mounted at the end of the light guide ring (31). The pulse acquisition unit (32) includes a light-emitting component (321) and a photosensitive component (322). An isolation strip (33) is provided between the light-emitting component (321) and the photosensitive component (322). The pulse acquisition unit (32) is designed as a ring structure.The isolation strip (33) is set on the annular pulse acquisition unit (32). The connecting assembly (4) includes a connecting sleeve (41). The connecting sleeve (41) is fixedly snapped into the light guide ring (31). The connecting sleeve (41) is movably sleeved on the outside of the front cavity of the horn (2). The top of the front cavity of the horn (2) is integrally formed with a limiting protrusion (21). The upper part of the inner wall of the connecting sleeve (41) is provided with a limiting groove (211) that cooperates with the limiting protrusion (21). The limiting protrusion (21) is movably snapped into the limiting groove (211). A positioning pin (42) is fixedly installed on the top of the side of the connecting sleeve (41) near the front cavity of the horn (2). The top of the front cavity of the horn (2) is provided with a positioning pin. The positioning groove (421) corresponding to the column (42) is movably engaged in the corresponding positioning groove (421). An electrical signal connecting piece (43) is fixedly installed on the limiting protrusion (21). An electrical signal connecting groove (431) corresponding to the electrical signal connecting piece (43) is opened on the inner side of the connecting sleeve (41) at the position of the limiting groove (211). A first limiting ring (432) is fixedly engaged at the top and bottom of the electrical signal connecting groove (431). An electrical signal connector (434) that works with the electrical signal connecting piece (43) is movably engaged in the middle of the first limiting ring (432) at the bottom position. The electrical signal connector (434) and the corresponding electrical signal connecting piece are connected in a series of ways. (43) Contact, the outer side of the electrical signal connector (434) is fixedly fitted with a second limiting ring (433), the lower surface of the second limiting ring (433) is in contact with the lower surface of the first limiting ring (432) at the bottom position, and a first spring (435) is fixedly installed between the top of the second limiting ring (433) and the first limiting ring (432) at the top position. The connecting assembly (4) also includes a positioning outer frame (44), the positioning outer frame (44) is fixedly snapped into the top of the speaker front cavity (2) at the positioning groove (421), the bottom middle of the positioning outer frame (44) is fixedly snapped with a positioning inner frame (45), and the bottom of the positioning inner frame (45) is slidably snapped with a limiting plate (46). The limiting plate (46) A limiting shaft (47) is fixedly installed at the bottom center of the positioning plate (46). The bottom of the limiting shaft (47) movably passes through the bottom of the positioning inner frame (45). The top of the positioning pin (42) is provided with a limiting groove (471) corresponding to the limiting shaft (47). The bottom of the limiting shaft (47) is movably engaged in the corresponding limiting groove (471). A second spring (48) is fixedly installed between the top of the limiting plate (46) and the inner upper wall of the positioning inner frame (45). A pull shaft (49) is fixedly installed at the top center of the limiting plate (46). The pull shaft (49) movably passes through the positioning inner frame (45) and the positioning outer frame (44). The top of the pull shaft (49) extends out of the top of the positioning outer frame (44) and is fixedly installed with a pull button (491).
2. The pulse monitoring device for headphones according to claim 1, characterized in that: The light-emitting component (321) includes red LEDs or infrared LEDs or green LEDs or red LEDs and infrared LEDs or red LEDs, infrared LEDs and green LEDs or red LEDs and green LEDs or green LEDs and infrared LEDs.
3. The pulse monitoring device for headphones according to claim 1, characterized in that: The photosensitive component (322) is a photoelectric sensor.
4. A pulse monitoring device for use in headphones according to claim 1, characterized in that: The light guide earphone sleeve (5) can be detachably fitted onto the end of the light guide ring post (31).
5. A pulse monitoring device for use in headphones according to claim 1, characterized in that: The light-guiding earphone sleeve (5) is made of light-guiding material.
6. A pulse monitoring device for use in headphones according to claim 1, characterized in that: The bottom of the limiting shaft (47) and the end of the positioning pin (42) are designed as inclined structures that cooperate with each other.
7. A pulse monitoring device for use in headphones according to claim 1, characterized in that: The pulse monitoring device includes an information acquisition system, an information transmission system, an information processing system, and an information feedback system. The information acquisition system is used to acquire pulse information. The acquired pulse information is transmitted to the information processing system through the information transmission system for information processing. The information feedback system provides feedback on the processed information.
Citation Information
Patent Citations
Electronic terminal device with pulse wave measuring function
CN115191934A
Health monitoring earphone
CN204316714U
In-ear earphone with sleep monitoring function
CN216017113U