CN208017485U - Physiological Signal Measurement Device - Google Patents

Abstract

The utility model discloses a physiological signal measuring device, including a casing portion, a support, a flexible circuit board and a flexible glue portion. A hollow ear-in part protrudes from the front surface of the shell part; the bracket is fixedly arranged at the front end of the ear inserting part, and a plurality of first elastic parts which are annularly arranged are convexly arranged on the front surface; the first flexible circuit board is arranged in the shell part and the ear-entering part and is provided with a free end, the free end protrudes out of the front surface of the bracket and covers each first elastic part, and the outer surface of the free end is provided with a light emitter and a light sensor corresponding to each first elastic part respectively; the soft rubber part is made of transparent soft rubber materials and is provided with a fixing part and a second elastic part, the fixing part is fixedly arranged outside the root parts of the first elastic parts, and the front surface of the fixing part is convexly provided with a second elastic part which is covered on the end part of the first elastic part and the outside of the free end of the first flexible circuit board corresponding to each first elastic part. The utility model discloses the data of measurationing of physiological signal measuring device is accurate.

Description

Physiological Signal Measurement Device

technical field

The utility model relates to a measuring device, in particular to a physiological signal measuring device.

Background technique

The existing measurement of human physiological data requires various measuring devices. In order to allow people to know their own physiological data anytime and anywhere, this type of measuring device is also moving toward miniaturization or integration into other electronic devices .

In order to improve the utilization rate and applicability, an existing physiological signal measurement device is installed on the earphone to measure the blood vessels of the user's auricle, thereby calculating various physiological data of the user, such as heart rate or heart rate variability Wait. The existing physiological signal measurement includes a light emitter, a light sensor and a microprocessor electrically connected with the light emitter and the light sensor. The light emitter emits a light source to the skin of the auricle of the user, and the light sensor receives the light emitted by the light emitter and reflected by the auricle skin within a period of time, and draws a set of continuously changing waveforms, and It is transmitted to the microprocessor, and the microprocessor cooperates with the analysis method of various physiological data to record the change of the user's physiological condition per unit time.

However, when the user is using it, the external light will also irradiate the skin of the user's auricle, and the light source received by the light sensor will be interfered by the external light, so that the data measured by the physiological signal measuring device will be inaccurate.

Therefore, it is necessary to provide a physiological signal measurement device that can avoid interference from external light and have accurate measurement data.

Contents of the invention

The purpose of the utility model is to provide a physiological signal measurement device which can avoid the interference of external light and has accurate measurement data in view of the defects and deficiencies of the prior art.

In order to achieve the above object, the utility model provides a physiological signal measuring device, which includes a housing part, a bracket, a rigid circuit board, a first flexible circuit board and a soft rubber part. The front surface of the housing part protrudes forward and protrudes a hollow ear part; the bracket has a base fixed on the front end of the ear part, and the front surface of the base is protruded with a plurality of first elastic parts arranged in a ring; The rigid circuit board is fixed in the housing part, and a microprocessor is provided on the rigid circuit board; the first flexible circuit board is installed in the housing part and the ear part, and has a fixed end and a free end, so The fixed end of the first flexible circuit board is electrically connected to the rigid circuit board, the free end of the first flexible circuit board protrudes from the front surface of the base and covers each first elastic part, the free end of the first flexible circuit board The outer surface of the end is respectively provided with a light emitter and a light sensor corresponding to each first elastic part, and the light emitter and light sensor are electrically connected with the microprocessor on the rigid circuit board through the first flexible circuit board; The rubber part is made of transparent soft rubber material, and has a fixed part, which is fixed on the outside of the roots of several first elastic parts. The front surface of the fixed part is corresponding to each first elastic part. The end of the elastic portion and the second elastic portion outside the free end of the first flexible circuit board, each second elastic portion is also arranged at intervals arranged in a ring, and the light emitter and the light sensor are arranged on the first elastic portion and the second elastic portion. between elastic parts.

As a further improvement, the free end of the first flexible circuit board is respectively provided with a gap between two adjacent first elastic parts.

As a further improvement, a mounting groove is provided on the front surface of the ear-entry part, and a mounting bump is protruded from the rear surface of the base, and the mounting bump is fixed in the mounting groove.

As a further improvement, it also includes a battery installed in the casing, and the battery is electrically connected to the rigid circuit board.

As a further improvement, it also includes a second flexible circuit board installed in the casing part and electrically connected with the rigid circuit board, and at least one microphone is arranged on the second flexible circuit board.

As a further improvement, a plurality of external terminals are provided on the second flexible circuit board, and each of the external terminals exposes the housing part.

As a further improvement, a speaker electrically connected to the rigid circuit board is installed in the ear-in section, a sound outlet hole is opened in the middle of the base, and the plurality of first elastic parts are arranged around the sound outlet hole.

As a further improvement, it also includes an earplug, which is in the shape of a hollow hemisphere with a small front and a large rear, and the earplug is sleeved on the outer periphery of the fixed part of the soft rubber part at the end adjacent to the ear-entry part and the outer periphery of the ear-entry part.

As mentioned above, the physiological signal measuring device of the present invention is arranged between the first elastic part and the second elastic part through the light emitter and the light sensor. When in use, both the first elastic part and the second elastic part extend into the user In the external auditory canal, the inner wall of the external auditory canal pushes the second elastic part, causing the first elastic part to slightly deform inwards and generate an outward thrust, so that the surface of the second elastic part is close to the skin of the external auditory canal. After the elastic part is deformed, a fixed distance is still maintained between the light emitter and the light sensor and the skin of the external auditory canal, so as to ensure the accuracy of the measurement data. When receiving the light source emitted by the light transmitter, the interference from external light can be avoided, and the measurement data is accurate.

Description of drawings

FIG. 1 is a perspective view of an embodiment of a physiological signal measuring device of the present invention.

FIG. 2 is a three-dimensional exploded view of the physiological signal measuring device of the present invention shown in FIG. 1 .

FIG. 3 is an exploded perspective view from another angle of the physiological signal measuring device of the present invention shown in FIG. 1 .

FIG. 4 is a perspective view of the physiological signal measuring device of the present invention shown in FIG. 1 without earplugs and soft rubber parts.

FIG. 5 is a schematic diagram of the physiological signal measuring device of the present invention worn on the user's ear.

Each reference numeral in the figure is explained as follows.

Physiological signal measuring device 100 Housing part 10

Rear Shell 11 Front Shell 12

Ear section 121 Mounting groove 122

Holder 13 Holder 20

base 21 sound outlet 22

Mounting bump 23 First elastic part 24

Cutout 25 Rigid Circuit Board 30

First flexible circuit board 40 fixed end 41

Free end 42 Notch 43

Light Emitter 44 Light Sensor 45

Battery 50 Rubber part 60

Fixing part 61 Mounting groove 62

Second elastic part 63 Fixed block 64

Horn 70 Second flex circuit board 80

Microphone 81 External terminal 82

Ear tip 90 Snap tab 91

Pinna 200 External auditory canal 300.

Detailed ways

In order to describe the technical content, structural features, achieved purpose and effect of the present utility model in detail, the following will be described in detail in combination with specific embodiments and accompanying drawings.

Please refer to Fig. 1 and Fig. 2, the physiological signal measuring device 100 of the present utility model is a bluetooth earphone with the function of measuring physiological signal, including a shell part 10, a bracket 20, a rigid circuit board 30, a first flexible The circuit board 40 , a battery 50 , a soft rubber part 60 , a speaker 70 , a second flexible circuit board 80 and an earplug 90 .

Please continue to refer to FIG. 1 and FIG. 2 , the housing portion 10 includes a rear shell 11 and a front shell 12 covering the front end of the rear shell 11 . After the front case 12 is covered on the rear case 11 , a receiving cavity 13 is formed between the front case 12 and the rear case 11 . A cylindrical hollow ear-entry portion 121 protrudes forward from the front surface of the front shell 12 of the housing portion 10 , and an annular mounting groove 122 is defined on the front surface of the ear-entry portion 121 .

Please refer to Fig. 2 and Fig. 3, described bracket 20 has a base 21, offers a sound hole 22 in the middle of base 21, and the rear surface of base 21 is provided with a ring-shaped mounting bump 23, and the front surface of base 21 protrudes There are several first elastic parts 24 arranged in a ring. Specifically, the plurality of first elastic portions 24 are arranged around the sound hole 22 . An opening 25 is defined on the outer side of the base portion 21 corresponding to one of the first elastic portions 24 . The base portion 21 is fixed on the front end of the ear-entry portion 121 . Specifically, the installation protrusion 23 is fixed in the installation groove 122 of the ear-entry portion 121 .

Please continue to refer to Figures 2 and 3, the rigid circuit board 30 is fixed in the housing cavity 13 of the housing part 10, and the rigid circuit board 30 is provided with a microprocessor (not shown) and a wireless transmission module ( not shown).

Please refer to FIGS. 1 to 4 , the first flexible circuit board 40 is installed in the receiving cavity 13 of the housing portion 10 and the ear portion 121 , and has a fixed end 41 and a free end 42 . The fixed end 41 of the first flexible circuit board 40 is electrically connected to the rigid circuit board 30, and the free end 42 of the first flexible circuit board 40 protrudes out of the front surface of the base 21 through the opening 25 and is arranged on the corresponding first flexible circuit board 40. on an elastic portion 24 . The free end 42 of the first flexible circuit board 40 defines a gap 43 between two adjacent first elastic parts 24 . The outer surface of the free end 42 of the first flexible circuit board 40 is respectively provided with a light emitter 44 and a light sensor 45 corresponding to the first elastic parts 24, and the light emitter 44 and the light sensor 45 pass through the first flexible circuit. The board 40 is electrically connected to the microprocessor on the rigid circuit board 30 .

Please continue to refer to FIG. 2 and FIG. 3 , the battery 50 is installed in the housing cavity 13 of the housing portion 10 and is arranged on the front surface of the rigid circuit board 30 , and the battery 50 is electrically connected to the rigid circuit board 30 for Provide the power required by the physiological signal measurement device 100 of the present invention.

Please continue to refer to Fig. 1 to Fig. 4, the soft rubber part 60 is made of a transparent soft rubber material, the soft rubber part 60 has a fixing part 61, and an earplug installation recess is opened on the outer peripheral surface of the fixing part 61 Slot 62. The soft rubber part 60 is integrally formed, the fixing part 61 is fixed on the outside of the roots of the first elastic parts 24, and the front surface of the fixing part 61 is respectively provided with a package corresponding to each first elastic part 24. The second elastic portion 63 covers the end of the first elastic portion 24 and the free end 42 of the first flexible circuit board 40 . The second elastic portions 62 are arranged at intervals in an annular arrangement, and the light emitter 44 and the light sensor 45 are disposed between the first elastic portion 24 and the second elastic portion 63 . The rear surface of the fixing portion 61 is formed with a fixing block 64 wrapped around the first flexible circuit board 40 and accommodated in the opening 25 .

Please continue to refer to FIGS. 1 to 3 , the speaker 70 is installed in the ear portion 121 and is electrically connected to the rigid circuit board 40 . The second flexible circuit board 80 is installed in the housing cavity 13 of the housing part 10 and is arranged on the front surface of the battery 50. The second flexible circuit board 80 is electrically connected to the rigid circuit board 30. The second flexible circuit board 80 At least one microphone 81 is provided on it. The second flexible circuit board 80 is also provided with a plurality of external terminals 82, and each of the external terminals 82 exposes the lower part of the front surface of the front shell 12 of the housing part 10. The external terminals 82 are connected to the docking terminals (not shown in the figure shown) connection, which can be used to transmit electrical signals or to transmit power when charging.

The earplug 90 has a hollow hemispherical shape with a small front and a large rear. The earplug 90 is sleeved on the outer periphery of the fixing part 61 of the soft rubber part 60 near the end adjacent to the ear-entry part 121 and the outer periphery of the ear-entry part 121 . Specifically, the front end of the earplug 90 is provided with a ring-shaped locking protrusion 91 protruding inward, and the locking protrusion 91 is locked in the earplug installation groove 62 .

Please refer to FIG. 1 to FIG. 5 , when the physiological signal measuring device 100 of the present invention is worn, the housing part 10 is worn on the auricle 200 of the user, and the earplug 90 is against the entrance of the external auditory canal 300 and the auricle 200 , so as to block the external ambient light from entering the external auditory canal 300 and limit the wearing position. The earplug 90 can also block the noise of the external environment, so that the physiological signal measurement device 100 of the present invention is not disturbed by the external environment when listening to sound. The first elastic part 24, the free end 42 of the flexible circuit board 40 and the second elastic part 63 all extend into the user's external auditory canal 300, and push the second elastic part 63 through the inner wall of the external auditory canal 300, so that the first elastic The portion 24 is slightly deformed inwards to generate an outward thrust, so that the surface of the second elastic portion 63 is in close contact with the skin of the external auditory canal 300 .

The working principle of the physiological signal measuring device 100 of the present invention is as follows: when the switch is turned on, each light emitter 44 emits a light source through the second elastic part 63 to the skin of the external auditory canal 300, and each light sensor 45 receives the light source respectively. The light source emitted by the corresponding light emitter 44 and reflected by the skin of the external auditory canal 300 within a certain period of time depicts a set of continuously changing waveforms and transmits them to the microprocessor. The microprocessor cooperates with the analysis method of various physiological data, The change of the user's physiological condition per unit time is recorded, and transmitted to a display device (not shown in the figure) through the external terminal 82 or the wireless transmission module, and the display device is a smart phone or a smart watch. The various physiological data include human physiological data such as heart rate, heart rate variability and blood oxygen saturation.

As mentioned above, the physiological signal measuring device 100 of the present invention is arranged between the first elastic part 24 and the second elastic part 63 through the light emitter 44 and the light sensor 45. When in use, the first elastic part 24 and the second elastic part 63 all protrude into the user's external auditory canal 300, push the second elastic part 63 through the inner wall of the external auditory canal 300, so that the first elastic part 24 is slightly deformed inward, and an outward thrust is generated, so that the second elastic part 24 The surface of the part 63 is close to the skin of the external auditory canal 300. After the deformation of the first elastic part 24, a fixed distance is still maintained between the light emitter 44 and the light sensor 45 and the skin of the external auditory canal 300, thereby ensuring accurate measurement data. In addition, The light source emitted by the light emitter 44 irradiates the skin of the external auditory canal 300 , and the light sensor 45 can avoid being interfered by external light when receiving the light source emitted by the light emitter 44 , and the measurement data is accurate.

Claims (8)

1. A physiological signal measuring device, characterized in that: it comprises a housing part, a support, a rigid circuit board, a first flexible circuit board and a soft rubber part; the front surface of the housing part protrudes forward Extend a hollow ear part; the bracket has a base fixed on the front end of the ear part, and the front surface of the base is protruded with a number of first elastic parts arranged in a ring; the rigid circuit board is fixed in the housing part , the rigid circuit board is provided with a microprocessor; the first flexible circuit board is installed in the housing part and the ear part, and has a fixed end and a free end, and the fixed end of the first flexible circuit board is connected to the The rigid circuit board is electrically connected, the free end of the first flexible circuit board protrudes from the front surface of the base and covers each first elastic part, and the outer surface of the free end of the first flexible circuit board corresponds to each first elastic part A light emitter and a light sensor are respectively provided, and the light emitter and light sensor are electrically connected to the microprocessor on the rigid circuit board through the first flexible circuit board; the soft rubber part is made of transparent soft rubber material , having a fixing part, which is fixed on the outside of the roots of several first elastic parts, and the front surface of the fixing part corresponds to each first elastic part, respectively protrudingly provided with an end part wrapped in the first elastic part and a first flexible circuit The second elastic part outside the free end of the plate is also arranged at intervals in a circular arrangement, and the light emitter and the light sensor are arranged between the first elastic part and the second elastic part. 2 . The physiological signal measuring device as claimed in claim 1 , wherein the free end of the first flexible circuit board defines a gap between two adjacent first elastic parts. 3 . 3. The physiological signal measuring device according to claim 1, wherein a mounting groove is provided on the front surface of the ear-entry part, and a mounting bump is protruded from the rear surface of the base, and the mounting bump Fixed in the installation groove. 4 . The physiological signal measurement device according to claim 1 , further comprising a battery installed in the casing, and the battery is electrically connected to the rigid circuit board. 5. The physiological signal measuring device according to claim 1, further comprising a second flexible circuit board, installed in the housing portion and electrically connected to the rigid circuit board, the second flexible circuit board At least one microphone is arranged on the board. 6 . The physiological signal measuring device according to claim 5 , wherein a plurality of external terminals are provided on the second flexible circuit board, and each of the external terminals exposes the casing. 7 . 7. The physiological signal measuring device as claimed in claim 1, wherein a speaker electrically connected to the rigid circuit board is installed in the ear-entry part, a sound hole is opened in the middle of the base part, and the plurality of The first elastic part is arranged around the sound hole. 8. The physiological signal measuring device according to claim 1, characterized in that: it also includes an earplug, which is in the shape of a hollow hemisphere with a small front and a large rear, and the earplug is sleeved on the fixed part of the soft rubber part adjacent to The outer periphery of one end of the in-ear part and the outer periphery of the in-ear part.