Electroencephalogram signal acquisition device, intelligent earphone and wearable equipment

Abstract

The utility model discloses an electroencephalogram signal acquisition device, an intelligent earphone and wearable equipment, the electroencephalogram signal acquisition device comprises an ear hook main body, at least one electrode group and a circuit board, the ear hook main body comprises an in-ear part and an ear hanging part; the at least one electrode group is arranged at the in-ear part and / or the ear hanging part and is used for collecting electroencephalogram signals of the ear canal and / or the auricular concha and the antihelix; the circuit board is arranged in the ear hook main body, and the circuit board is electrically connected with the at least one electrode group so as to be used for processing the electroencephalogram signals collected by the at least one electrode group. According to the electroencephalogram signal collecting device, electroencephalogram signals of different positions of the ears of the human body can be collected, it is guaranteed that at least one electrode set makes full contact with the skin of the ears, and more accurate electroencephalogram signals can be collected easily.

Description

Technical Field

[0001] The utility model relates to the technical field of electroencephalogram (EEG) signal acquisition and processing, and in particular to an EEG signal acquisition device, an intelligent headset, and a wearable device. Background Art

[0002] EEG signal measurement is a common medical diagnostic method. It collects EEG signals to obtain information about brain activity and provides an important source of EEG signals for wearable devices. EEG signal measurement involves placing EEG electrodes at specific locations on the head to collect weak EEG signals. These signals are then collected, amplified, processed, and their waveforms recorded using an EEG device such as an electroencephalograph.

[0003] Existing in-ear EEG signal acquisition devices usually fail to fit tightly with the ear canal and produce inaccurate signals due to a series of factors, such as the position of the electrodes. When used for a long time, they can easily cause a feeling of blockage and discomfort to the wearer. Utility Model Content

[0004] The main purpose of the utility model is to provide an EEG signal acquisition device, an intelligent headset and a wearable device, which aims to solve the technical problems of low signal strength and accuracy of existing EEG signal acquisition devices to a certain extent.

[0005] To achieve the above objectives, the present invention provides an electroencephalogram (EEG) signal acquisition device, comprising:

[0006] An ear hook body, comprising an ear-entry portion and an ear-hanging portion;

[0007] At least one electrode group, the at least one electrode group being arranged at the ear inlet and / or the ear hook for collecting EEG signals from the ear canal and / or the concha and antihelix;

[0008] A circuit board is arranged in the ear hook body, and the circuit board and the at least one electrode group are used to process the brain electrical signals collected by the at least one electrode group.

[0009] In some embodiments, the at least one electrode set comprises:

[0010] a first electrode group, the first electrode group being disposed on the ear hook body and at least partially exposed outside the ear inlet, the first electrode group being used to collect EEG signals from the ear canal; and / or,

[0011] The second electrode group is arranged on the ear hook body, and the second electrode group is at least partially exposed outside the ear hook portion. The second electrode group is used to collect EEG signals from the concha and / or antihelix.

[0012] In some embodiments, the first electrode group comprises at least two first sub-electrodes, which are spaced apart along the circumferential direction of the ear-in portion; and / or,

[0013] The second electrode group comprises at least one second sub-electrode, which covers at least part of the outer surface of the ear-hanging portion.

[0014] In some embodiments, the first sub-electrode is a point electrode; and / or,

[0015] The second sub-electrode is a surface electrode; and / or,

[0016] The first sub-electrode is provided with four, which are equally spaced along the circumferential direction of the ear-in portion; and / or,

[0017] The number of turns formed by the first sub-electrode around the circumferential direction of the ear-in portion is at least 3.

[0018] In some embodiments, the first electrode group comprises a first conductive member, which is connected to the ear-hanging body, and the end of the first conductive member away from the second electrode group forms the ear-in portion; and / or,

[0019] The second electrode group comprises a second conductive member, which is connected to the ear-hanging body, and the end of the second conductive member away from the first electrode group forms the ear-hanging portion.

[0020] In some embodiments, the electroencephalogram signal acquisition device further comprises an insulating member, which covers at least part of the outer surface of the ear-hanging body, and the two ends of the insulating member are respectively connected to the first conductive member and the second conductive member to insulate the electrical connection between the first conductive member and the second conductive member.

[0021] In some embodiments, the first conductive member is in the shape of a cap; and / or,

[0022] The second conductive member is in the shape of an arc.

[0023] In some embodiments, the first conductive member and the second conductive member are made of conductive silicone; and / or,

[0024] The insulating member is made of insulating silicone.

[0025] In some embodiments, the circuit board is provided with a communication module, and the circuit board is in communication connection with the upper computer through the communication module; and / or,

[0026] The ear-hanging body is provided with a power supply assembly, which is electrically connected to the circuit board to provide power supply for the circuit board.

[0027] The utility model also provides a smart headset, comprising:

[0028] As the previous EEG signal acquisition device;

[0029] A sound-emitting component is disposed in the ear hook body and is electrically connected to the circuit board for emitting sound toward the ear.

[0030] The utility model also provides a wearable device, comprising the above-mentioned EEG signal acquisition device.

[0031] The EEG signal acquisition device provided in the present application can collect EEG signals from different positions of the human ear by arranging at least one electrode group at the ear inlet and / or ear hook for collecting EEG signals from the ear canal and / or concha and antihelix, thereby ensuring sufficient contact between at least one electrode group and the ear skin, thereby facilitating the acquisition of more accurate EEG signals. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a structural diagram of an embodiment of the EEG signal acquisition device of the present utility model;

[0033] Figure 2 This is a structural diagram of another embodiment of the EEG signal acquisition device of the present utility model;

[0034] Figure 3 This is a disassembled schematic diagram of another embodiment of the EEG signal acquisition device of the present utility model;

[0035] Figure 4 This is a disassembled schematic diagram of another embodiment of the EEG signal acquisition device of the present invention.

[0036] Description of Figure Numbers:

[0037] Label name Label name 100 EEG signal acquisition device 10 Ear hook body 11 In-ear 12 Ear hanging part 20 First electrode group 30 Second electrode group 31 The second sub-electrode 21 first sub-electrode 32 Second conductive member 22 first conductive member 40 Insulation components 13 First conductive contact 14 Second conductive contact

[0038] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the schemes in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0040] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0041] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element.

[0042] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0043] Please refer to Figure 1 , an embodiment of the present application proposes an EEG signal acquisition device 100, including an ear hook body 10, at least one electrode group and a circuit board.

[0044] The ear hook body 10 includes an ear inlet portion 11 and an ear hook portion 12. In this embodiment, the ear inlet portion 11 can be configured in a cap-like shape to fit snugly against the ear, reducing pressure while wearing and providing a comfortable feel, preventing discomfort from prolonged wear. The ear hook portion 12 can be configured in an arc shape to support the ear, while also providing uniform force due to the arc surface, reducing discomfort from pinching.

[0045] For example, the ear hook portion 12 can be made of shape memory alloy material, and the fit between the ear hook body 10 and the human ear can be adjusted according to different ear shapes and sizes to better adapt to the ear shapes of different users, provide a more fitting wearing experience, and increase wearing comfort.

[0046] At least one electrode group is arranged in the ear inlet 11 and / or the ear hook 12 for collecting EEG signals from the ear canal and / or concha and antihelix. The circuit board is arranged in the ear hook body 10, and the circuit board is electrically connected to at least one electrode group for processing the EEG signals collected by at least one electrode group.

[0047] In this embodiment, the electrode group can be set in the ear inlet 11 to collect EEG signals from the ear canal, or can be set in the ear hook 12 to collect EEG signals from the concha and antihelix. It can also be set in both the ear inlet 11 and the ear hook 12 to collect EEG signals from the ear canal, concha, and antihelix at the same time.

[0048] As a preferred embodiment of the present application, at least one electrode group includes a first electrode group 20 and a second electrode group 30. The first electrode group 20 is arranged on the ear hook body 10, and the first electrode group 20 is at least partially exposed outside the ear inlet 11. The first electrode group 20 is used to collect EEG signals from the ear canal; the second electrode group 30 is arranged on the ear hook body 10, and the second electrode group 30 is at least partially exposed outside the ear hook 12. The second electrode group 30 is used to collect EEG signals from the concha and / or antihelix.

[0049] In this embodiment, the first electrode group 20 is at least partially exposed outside the ear inlet 11, including the first electrode group 20 being protruded from the outer surface of the ear inlet 11 or being flush with the outer surface of the ear inlet 11, as long as it can fit the human ear; similarly, the second electrode group 30 is at least partially exposed outside the ear hook 12, including the second electrode group 30 being protruded from the outer surface of the ear inlet 11 or being flush with the outer surface of the ear inlet 11, as long as it can fit the human ear.

[0050] During normal use, the ear hook 12 is stuck on the back of the ear, close to the inner side of the earlobe, and cooperates with the ear inlet 11 to wrap the ear, ensuring that the first electrode group 20 and the second electrode group 30 are in full contact with the ear skin, so that the first electrode group 20 and the second electrode group 30 can accurately measure the EEG signals of the ear canal, concha and / or antihelix.

[0051] Because the brain is functionally divided, EEG signals at different locations can be interpreted as different information. By collecting large amounts of data from different states and training them through models and algorithms, we can attempt to interpret the corresponding information conveyed by the brain. The EEG signal acquisition device 100 of the embodiment of the present application can collect EEG signals from different locations on the human ear. At the same time, the first electrode group 20 and the second electrode group 30 are in full contact with the ear skin, which facilitates the acquisition of more accurate EEG signals.

[0052] A circuit board is disposed within the earhook body 10 and is electrically connected to the first electrode group 20 and the second electrode group 30. The circuit board is used to process the EEG signals collected by the first electrode group 20 and the second electrode group 30. For example, the first electrode group 20 and the second electrode group 30 can be electrically connected to the circuit board via wires or flexible printed circuit boards (FPCs).

[0053] In this embodiment, the circuit board can process the EEG signals collected by the first electrode group 20 and the second electrode group 30 in real time. For example, the circuit board is provided with a communication module, and the circuit board is connected to the host computer through the communication module. The collected EEG signals can be read and analyzed using the software in the host computer. By arranging the circuit board in the ear hook body 10, the circuit board does not occupy additional space, making the EEG signal acquisition device 100 smaller in size and lighter in weight, and convenient for storage and carrying.

[0054] Specifically, the communication module includes but is not limited to WIFI or ZigBee.

[0055] In some embodiments, a power supply component, such as a battery, is provided in the ear hook body 10. The power supply component is electrically connected to the circuit board to provide power to the circuit board, so that the EEG signal acquisition device 100 of the embodiment of the present application can be used independently as an acquisition device, and the collected EEG signals can be transmitted to an external device through the communication module of the circuit board.

[0056] In this embodiment, two earhook bodies 10 can be provided, one for collecting EEG signals from the left and right ears. Each earhook body 10 is connected to a host computer for data transmission, and the two can be used independently or in combination. The host computer can be a PC or a smart terminal device, including but not limited to a mobile phone or tablet computer.

[0057] Please continue to refer to Figure 1 As a first embodiment, the first electrode group 20 includes at least two first sub-electrodes 21. The at least two first sub-electrodes 21 are protruded from the ear inlet 11 at intervals along the circumferential direction of the ear inlet 11. The first sub-electrodes 21 are point electrodes, which can not only make the first sub-electrode 21 fully fit the human ear to ensure the stability of EEG signal acquisition, but also fully save the space resources of the EEG signal acquisition device 100.

[0058] The second electrode group 30 includes at least one second sub-electrode 31 . The at least one second sub-electrode 31 covers at least a portion of the outer surface of the ear hook portion 12 . The second sub-electrode 31 is a planar electrode.

[0059] In this embodiment, the second sub-electrode 31 is arranged in a planar shape and is covered on the end of the ear hook 12 away from the ear inlet 11. When worn, it can fit closely to the human ear, thereby increasing the contact stability between the second sub-electrode 31 and the human ear, and improving the stability and accuracy of the second sub-electrode 31 in collecting EEG signals.

[0060] Of course, in other embodiments, the second sub-electrode 31 can also be set at other positions, as long as it can fit the human ear to collect the EEG signal at the corresponding position. This embodiment of the present application does not limit this.

[0061] It should be noted that, in actual application, the positions of the first sub-electrode 21 and the second sub-electrode 31 can be flexibly adjusted to collect EEG signals at different locations.

[0062] In some embodiments, in order to ensure the number of collected EEG signals and make the collected EEG signals more complete and accurate, four first sub-electrodes 21 are provided, which are equidistantly spaced along the circumference of the ear inlet 11 .

[0063] Furthermore, at least three circles of first sub-electrodes 21 can be set in the circumferential direction of the ear inlet 11. By setting at least three circles of first sub-electrodes 21 in the circumferential direction of the ear inlet 11, it can be ensured that multiple EEG signals are obtained from different positions around the ear in all directions, making the collected EEG signals more complete and accurate, increasing the number of processable EEG signals, and obtaining better results through analysis and processing by the host computer, thereby improving the analyzability and accuracy of the EEG signals.

[0064] Of course, in other embodiments, the number of circles of the first sub-electrode 21 in the circumferential direction of the ear inlet 11 may also be other numbers, such as two circles, four circles, five circles, or more, which is not limited in the embodiment of the present application.

[0065] As a second example, please refer to Figures 2 to 4 The first electrode group 20 includes a first conductive member 22, which is connected to the ear hook body 10, and the end of the first conductive member 22 away from the second electrode group 30 forms the ear inlet portion 11; the second electrode group 30 includes a second conductive member 32, which is connected to the ear hook body 10, and the end of the second conductive member 32 away from the first electrode group 20 forms the ear hook portion 12.

[0066] Compared with the first embodiment, the first conductive part 22 in this embodiment forms the ear-entry part 11, and the second conductive part 32 forms the ear-hanging part 12, which can increase the contact area with the human ear, improve the stability of EEG signal collection, and there is no foreign body sensation when wearing, thereby improving wearing comfort.

[0067] In this embodiment, the ear hook body 10 is respectively provided with a first conductive contact 13 and a second conductive contact 14. The first conductive contact 13 is electrically connected to the first conductive part 22 and the circuit board, and the second conductive contact 14 is electrically connected to the second conductive part 32 and the circuit board. The first conductive part 22 and the second conductive part 32 are respectively made of conductive silicone, which is soft in texture and can contact the surface of human ear skin to collect brain electrical signals, thereby improving the user's wearing comfort.

[0068] It should be noted that the collection areas formed by the first conductive member 22 and the second conductive member 32 can be set to specific sizes according to actual conditions to meet the different EEG signal collection needs of different users.

[0069] Furthermore, in some embodiments, the EEG signal acquisition device 100 of the embodiment of the present application also includes an insulating component 40, which covers at least a portion of the outer surface of the ear hook body 10, and the two ends of the insulating component 40 are respectively connected to the first conductive component 22 and the second conductive component 32 to isolate the electrical connection between the first conductive component 22 and the second conductive component 32.

[0070] In this embodiment, an insulating member 40 is provided to isolate the electrical connection between the first conductive member 22 and the second conductive member 32 , so that the first conductive member 22 and the second conductive member 32 can independently collect EEG signals at corresponding positions without interfering with each other.

[0071] In this embodiment, the insulating member 40 is made of insulating silicone, which can improve the fit with the human ear and increase the wearing comfort.

[0072] It should be understood that the first conductive member 22, the second conductive member 32 and the insulating member 40 can be set to a detachable connection with the ear hook body 10 to facilitate maintenance and replacement, so as to adapt to the sizes of ears and ear holes of different collectors and improve the applicability of the EEG signal acquisition device 100.

[0073] In some embodiments, the first conductive member 22 is configured in a cap shape, which can increase the collection area of ​​the first electrode group 20 and can fit closely with the human ear, which can not only reduce the pressure when worn, but also provide good comfort, avoiding the user from feeling uncomfortable due to wearing it for a long time; the second conductive member 32 is configured in an arc shape, which can increase the collection area of ​​the second electrode group 30 and can be worn on the user's ear to provide support for the entire device. The arc surface clamps the force evenly, reducing the discomfort of clamping the ear.

[0074] The present invention also provides a smart headset, comprising the aforementioned EEG signal acquisition device 100 and a sound-generating component, the sound-generating component being disposed within an ear hook body 10 and electrically connected to a circuit board for emitting sound toward an ear inlet 11. The smart headset of the present embodiment has both EEG signal acquisition functions and functions such as playing music and answering calls, thereby achieving diversified functions of the smart headset and improving the user experience.

[0075] Since the smart headset adopts all the technical solutions of all the embodiments of the above-mentioned EEG signal acquisition device 100, the smart headset of the present invention also has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0076] The present invention also provides a wearable device, including the above-mentioned EEG signal acquisition device 100. The wearable device of the embodiment of the present application can be a wearable device such as a walkie-talkie, a microphone or a hearing aid that can be worn on the human ear to collect EEG signals, and is convenient to carry and use.

[0077] Since the wearable device adopts all the technical solutions of all the embodiments of the above-mentioned EEG signal acquisition device 100, the wearable device of the present invention also has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0078] The above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the manner in which the present invention may be implemented. Those skilled in the art will readily appreciate that other variations or modifications based on the above description are possible. This list of all possible embodiments is not exhaustive. Any obvious variations or modifications arising from the technical solution of the present invention remain within the scope of protection of the present invention.

Claims

1. An electroencephalogram signal acquisition device, characterized in that: include: An ear hook body, comprising an ear-entry portion and an ear-hanging portion; At least one electrode group, the at least one electrode group being arranged at the ear inlet and / or the ear hook for collecting EEG signals from the ear canal and / or the concha and antihelix; A circuit board is arranged in the ear hook body, and the circuit board is electrically connected to the at least one electrode group for processing the brain electrical signal collected by the at least one electrode group.

2. The EEG signal acquisition device according to claim 1, characterized in that: The at least one electrode group comprises: a first electrode group, the first electrode group being disposed on the ear hook body and at least partially exposed outside the ear inlet, the first electrode group being used to collect EEG signals from the ear canal; and / or, The second electrode group is arranged on the ear hook body, and the second electrode group is at least partially exposed outside the ear hook portion. The second electrode group is used to collect EEG signals from the concha and / or antihelix.

3. The EEG signal acquisition device according to claim 2, characterized in that: The first electrode group includes at least two first sub-electrodes, and the at least two first sub-electrodes are protruded from the ear inlet at intervals along the circumferential direction of the ear inlet; and / or, The second electrode group includes at least one second sub-electrode, and the at least one second sub-electrode is coated on at least a portion of the outer surface of the ear hook portion.

4. The EEG signal acquisition device according to claim 3, characterized in that: The first sub-electrode is a point electrode; and / or, The second sub-electrode is a planar electrode; and / or, There are four first sub-electrodes, which are equidistantly spaced along the circumference of the ear inlet; and / or, The number of circles formed by the first sub-electrode around the circumference of the ear inlet is at least 3.

5. The EEG signal acquisition device according to claim 2, characterized in that: The first electrode group includes a first conductive member, the first conductive member is connected to the ear hook body, and an end of the first conductive member away from the second electrode group forms the ear inlet portion; and / or, The second electrode group includes a second conductive member connected to the ear hook body, and an end of the second conductive member away from the first electrode group forms the ear hook portion.

6. The EEG signal acquisition device according to claim 5, characterized in that: The EEG signal acquisition device also includes an insulating component, which covers at least a portion of the outer surface of the ear hook body. The two ends of the insulating component are respectively connected to the first conductive component and the second conductive component to isolate the electrical connection between the first conductive component and the second conductive component.

7. The EEG signal acquisition device according to claim 6, characterized in that: The first conductive member is configured in a cap shape; and / or, The second conductive member is arranged in an arc shape; and / or, The first conductive member and the second conductive member are made of conductive silicone; and / or, The insulating component is made of insulating silicone.

8. The electroencephalogram signal acquisition device according to any one of claims 1 to 7, characterized in that: The circuit board is provided with a communication module, and the circuit board is connected to the host computer through the communication module; and / or, A power supply component is provided in the ear hook body, and the power supply component is electrically connected to the circuit board to provide power to the circuit board.

9. A smart headset, characterized in that: include: The electroencephalogram signal acquisition device according to any one of claims 1 to 8; A sound-emitting component is disposed in the ear hook body and is electrically connected to the circuit board for emitting sound toward the ear.

10. A wearable device, characterized in that: The device comprises the electroencephalogram signal acquisition device according to any one of claims 1 to 8.

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