CN210019326U - In-ear electroencephalogram acquisition device - Google Patents
In-ear electroencephalogram acquisition device Download PDFInfo
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- CN210019326U CN210019326U CN201821973110.6U CN201821973110U CN210019326U CN 210019326 U CN210019326 U CN 210019326U CN 201821973110 U CN201821973110 U CN 201821973110U CN 210019326 U CN210019326 U CN 210019326U
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Abstract
The utility model discloses an in-ear formula brain electricity collection system, in-ear formula brain electricity collection system includes two earphone portions, two through the earphone cord connection, each between the earphone portion all includes an earphone body and earplug portion, earplug portion with this body coupling of earphone to in filling in user's duct, be equipped with detection electrode in the earplug portion. The utility model discloses technical scheme can reduce brain electricity collection system's volume, improves brain electricity collection system's portability.
Description
Technical Field
The utility model relates to an electroencephalogram collection equipment technical field, in particular to in-ear electroencephalogram collection device.
Background
Generally, in order to solve the physical condition of a patient, an electroencephalogram signal of the patient needs to be acquired by an electroencephalogram acquisition device. At present, most of electroencephalogram acquisition devices are head-mounted, namely, the electroencephalogram acquisition devices are arranged in a hat type and are worn on the head, so that electroencephalogram signals can be detected. However, the head-mounted electroencephalogram acquisition device is generally large in size and poor in portability, and cannot be widely used in daily life.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an in-ear brain electricity collection system, aim at reducing brain electricity collection system's volume, improve brain electricity collection system's portability.
In order to achieve the above object, the utility model provides an in-ear electroencephalogram collection device, including two earphone portions, two connect through the earphone cord between the earphone portion, each the earphone portion all includes an earphone body and earplug portion, earplug portion with this body coupling of earphone to in filling in user's duct, be equipped with detection electrode in the earplug portion.
Optionally, the earphone body and the ear plug portion are detachably connected.
Optionally, the earphone body is provided with an insertion protrusion, the earplug portion is provided with a slot, and the insertion protrusion is in insertion fit with the slot.
Optionally, the in-ear electroencephalogram collection device further comprises a sound unit, the sound unit is installed on the earphone body, a sound channel is arranged on the plug-in protrusion, the sound channel runs through the plug-in protrusion, the sound channel is communicated with the sound unit, the slot runs through the ear plug portion, and the slot is communicated with the sound channel.
Optionally, a conductive plug is arranged on the earplug portion, the conductive plug is electrically connected with the detection electrode, a socket is correspondingly arranged on the earphone body, a conductive piece is arranged in the socket, the conductive plug is in plug-in fit with the socket, and the conductive plug is electrically connected with the conductive piece.
Optionally, each of the earplug portions is provided with a plurality of the detection electrodes, and the detection electrodes are arranged along the circumferential direction of the earplug portion at intervals.
Optionally, the in-ear electroencephalogram acquisition device further comprises a reference electrode and/or a first right leg driving electrode, wherein the reference electrode is arranged on one of the ear plug portions, and the first right leg driving electrode is arranged on the other of the ear plug portions.
Optionally, the in-ear electroencephalogram acquisition device further comprises a processing device, the processing device is arranged on the earphone wire, and the processing device is electrically connected with the detection electrode.
Optionally, the processing means is provided with a second right leg drive electrode.
Optionally, the processing device is provided with a wireless receiving module, the earphone part is provided with a wireless transmitting module, and the processing device and the detection electrode are wirelessly connected through the wireless receiving module and the wireless transmitting module.
The utility model discloses technical scheme sets up the form into the earphone through the device that will detect EEG signal, and two earphone portions are worn on user's ear, and detection electrode sets up on earphone portion, can detect user's EEG signal, and this mode has reduced the volume of pleasant formula EEG collection system greatly owing to need not wrap up EEG collection system in whole head for it is more convenient to gather EEG signal's mode. In addition, because the detection electrode sets up on earplug portion, can be along with earplug portion fills in the user's duct, so can make detection electrode better laminate on the duct to can better collect the EEG signal. Moreover, two earphone parts are arranged, detection electrodes are arranged on the two earphone parts, the detection range is increased, the electroencephalogram signals of more positions can be detected, and after the electroencephalogram signals of the positions are comprehensively considered, the detection result is more accurate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the in-ear electroencephalogram acquisition device of the present invention;
FIG. 2 is an exploded view of the earphone portion of FIG. 1;
fig. 3 is a schematic structural diagram of the earphone part in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | Earphone |
121 | |
| 11 | Earphone |
122 | |
| 111 | |
123 | Inserting |
| 112 | |
20 | |
| 113 | |
21 | Second right |
| 114 | Plug-in |
22 | |
| 12 | Earplug |
30 | Earphone line |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an in-ear electroencephalogram acquisition device.
In the embodiment of the present invention, please refer to fig. 1 to fig. 3, the in-ear electroencephalogram collecting device includes two earphone portions 10, the two earphone portions 10 are connected by an earphone cord 30, each earphone portion 10 includes an earphone body 11 and an earphone portion 12, the earphone portion 12 is connected with the earphone body 11 and is used for being plugged into the ear canal of the user, and the earphone portion 12 is provided with a detecting electrode 121.
Since the earplug portion 12 is inserted into the ear canal, the earplug portion 12 and the detecting electrode 121 are generally configured as soft components, that is, the earplug portion 12 can be made of sponge or silica gel, and the detecting electrode 121 can be made of conductive silica gel or conductive mesh, conductive adhesive, or the like. The detection electrode 121 and the earplug portion 12 may be connected in various ways, such as bonding or welding.
The in-ear electroencephalogram acquisition device is further provided with a signal processing module, the signal processing module can be used for carrying out primary processing on the electroencephalogram signals detected by the detection electrodes 121, and then the processed signals are transmitted to terminal equipment such as a mobile phone or a computer. Of course, the detection electrode 121 can also directly send the electroencephalogram signal to the terminal device after detecting the electroencephalogram signal. In the utility model, the electroencephalogram signal detected by the detection electrode 121 can be transmitted to the terminal device in various ways, and in some embodiments, the in-ear electroencephalogram acquisition device is provided with a data interface 22 for transmitting data by using a data line; in other embodiments, a wireless communication module is arranged on the in-ear electroencephalogram acquisition device, and data are sent to the terminal equipment through the wireless communication module; in addition, in other embodiments, the in-ear electroencephalogram acquisition device can also be provided with a wireless communication module, a data interface 22 and the like. The wireless communication module has various methods for transmitting data, such as Bluetooth (Bluetooth), WIFI, or ZigBee. In addition, the power supply of the in-ear electroencephalogram acquisition device can be arranged in the in-ear electroencephalogram acquisition device, an electrical interface can also be arranged on the in-ear electroencephalogram acquisition device, and the in-ear electroencephalogram acquisition device is externally connected with a power supply and the like through the electrical interface.
In addition, because the electroencephalogram signal is weak and is easily interfered by the electromagnetism, the shell of the earphone body 11 can be set as a shielding shell to reduce the interference of the electromagnetism to the electroencephalogram signal, wherein the shielding shell can be set as a metal piece, a metal coating and the like can be coated on the shielding shell, and the effect of shielding the electromagnetism can be achieved.
The utility model discloses technical scheme sets up the form into the earphone through the device that will detect EEG signal, and two earphone portions 10 are worn on user's ear, and detection electrode 121 sets up on earphone portion 10, can detect user's EEG signal, and this mode has reduced the volume of in-ear EEG collection system greatly owing to need not wrap up EEG collection system at whole head for it is more convenient to gather EEG signal's mode. In addition, because the detection electrode 121 is arranged on the earplug part 12, the detection electrode 121 can be plugged into the ear canal of the user along with the earplug part 12, so that the detection electrode 121 can be better attached to the ear canal, and electroencephalogram signals can be better collected. Moreover, two earphone parts 10 are arranged, and the detection electrodes 121 are arranged on the two earphone parts 10, so that the detection range is increased, the electroencephalogram signals of more positions can be detected, and after the electroencephalogram signals of a plurality of positions are comprehensively considered, the detection result is more accurate.
In an embodiment, the in-ear electroencephalogram collecting device further includes a processing device 20, the processing device 20 is disposed on the earphone cable 30, and the processing device 20 is electrically connected to the detecting electrode 121. Specifically, an electrical connection line is disposed in the earphone cable 30, and the processing device 20 and the detection electrode 121 are electrically connected through the electrical connection line. The processing device 20 is also wirelessly connected to the detection electrode 121, and for example, the processing device includes a wireless receiving module, the earphone unit includes a wireless transmitting module, and the processing device and the detection electrode are wirelessly connected via the wireless receiving module and the wireless transmitting module. In this embodiment, the electroencephalogram signal detected by the detection electrode 121 can be transmitted to the processing device 20, the signal processing module is disposed in the processing device 20, and is configured to process the electroencephalogram signal detected by the detection electrode 121, and the processed electroencephalogram signal can be transmitted to the terminal device. Because the processing device 20 is arranged on the earphone wire 30 between the two earphone parts 10, when the user uses the in-ear type electroencephalogram acquisition device, the processing device 20 can be placed on the back neck, the bearing weight of the ear of the user can be reduced, and the wearing of the user is more convenient. In addition, the power supply, the data interface 22, the wireless communication module, and the like may be provided at the processing device 20, and the data interface 22 and the charging interface of the power supply may be provided in the same manner. The shape of the processing device 20 may be various, such as a block, a bar, an arc, etc. In addition, in other embodiments, the processing device 20 may also be provided on the earphone portion 10 or the like.
In order to obtain an accurate electroencephalogram signal, in this embodiment, the in-ear electroencephalogram acquisition device further includes a reference electrode and/or a first right leg driving electrode, wherein one of the ear plug portions 12 is provided with the reference electrode, and the other ear plug portion 12 is provided with the first right leg driving electrode. That is, in one embodiment, a reference electrode is provided on only one of the ear plug portions 12; in another embodiment, the first right leg drive electrode is provided on only one of the ear-plug portions 12; in other embodiments, a reference electrode is disposed on one of the ear-bud portions 12, and a first right leg drive electrode is disposed on the other ear-bud portion 12. The reference electrode can be used as a reference function to be compared with the electroencephalogram signal detected by the detection electrode 121, so that the accurate electroencephalogram signal can be obtained, and the effect of the in-ear electroencephalogram acquisition device is improved. Because the EEG signal is weaker, and the human body also can receive electromagnetic interference and produce the noise, this kind of interference noise can lead to EEG signal's collection more difficult, for reducing this kind of interference noise, improves the SNR, so be provided with right leg drive circuit on earplug portion 12, first right leg drive electrode is connected with right leg drive circuit, first right leg drive electrode and human contact. Of course, the reference electrode and the first right leg driving electrode may also be provided at other positions, such as the headphone body 11 and the like.
Unlike the previous embodiment, in the present embodiment, the second right leg driving electrode 21 is provided on the processing device 20. Because the processing device 20 is disposed on the earphone line 30 between the two earphone portions 10, when the user uses the in-ear electroencephalogram acquisition device, the processing device 20 can be placed on the back neck, in this state, one surface of the processing device 20 can be in contact with the human body, the second right leg driving electrode 21 is disposed on the surface in contact with the human body, and the second right leg driving electrode 21 can be in contact with the human body, so that the effect of improving the signal-to-noise ratio is achieved. Since the second right leg driving electrode 21 is disposed away from the detection electrode 121 and the reference electrode, the second right leg driving electrode 21 can be prevented from interfering with the detection electrode 121 and the reference electrode, and the signal-to-noise ratio can be further improved. It should be noted that only the first right leg driving electrode may be provided, only the second right leg driving electrode 21 may be provided, the first right leg driving electrode and the second right leg driving electrode 21 may be provided at the same time, and the like.
In this embodiment, the earphone body 11 and the ear plug portion 12 are detachably connected. Particularly, because everybody's duct size is different, set up earplug portion 12 and earphone body 11 into dismantling the connection, conveniently change the earplug portion 12 of equidimension not to the not big or small duct of adaptation, in addition, behind earplug portion 12 the long life, its compliance can greatly reduced, at this moment, only need change earplug portion 12 and can continue to use greatly reduced replacement cost again.
In this embodiment, the earphone body 11 is provided with an insertion protrusion 114, the earplug portion 12 is provided with a slot 123, and the insertion protrusion 114 is inserted into the slot 123. Specifically, because the earplug portion 12 is a soft component, it is easier to provide the slot 123 on the earplug portion 12, and in a natural state, the size of the slot 123 is smaller than the size of the insertion protrusion 114, and when the slot 123 is inserted into and matched with the insertion protrusion 114, the slot 123 is expanded by the extrusion deformation of the insertion protrusion 114, and because the earplug portion 12 has elasticity, the earplug portion 12 can be tightly attached to the insertion protrusion 114, so that the fixing effect of the earplug portion 12 is better. In addition, the insertion protrusion 114 may also increase the rigidity of the earplug portion 12, making it easier to insert the earplug portion 12 into the ear canal.
Because the electroencephalogram detection process is relatively boring, in order to improve user experience, in this embodiment, the in-ear electroencephalogram acquisition device further includes a sound unit 111, the sound unit 111 is installed on the earphone body 11, the insertion protrusion 114 is provided with a sound channel 113, the sound channel 113 runs through the insertion protrusion 114, the sound channel 113 is communicated with the sound unit 111, the slot 123 runs through the earplug portion 12, and the slot 123 is communicated with the sound channel 113. That is, the sound outlet of the sound generating unit 111 is communicated with the sound channel 113, the sound channel 113 is communicated with the insertion slot 123, and the insertion slot 123 penetrates through the earplug portion 12, that is, when the earplug portion 12 is inserted into the ear canal of the user, the sound outlet of the sound generating unit 111 can be directly communicated with the ear canal of the user. The sound generating unit 111 is electrically connected to a circuit in the earphone body 11, and the sound generating unit 111 is connected to a terminal device such as a mobile phone through a wireless communication module to play sounds such as music, and the sounds such as music are transmitted into the ear canal of the user through the sound channel 113 and the slot 123. Therefore, the dryness feeling of the user when the in-ear electroencephalogram acquisition device is used can be reduced, the entertainment of the in-ear electroencephalogram acquisition device is improved, and the in-ear electroencephalogram acquisition device can be applied to various scenes.
In this embodiment, the earplug portion 12 is provided with a conductive plug 122, the conductive plug 122 is electrically connected to the detection electrode 121, the earphone body 11 is correspondingly provided with a jack 112, a conductive member is disposed in the jack 112, the conductive plug 122 is inserted into and matched with the jack 112, and the conductive plug 122 is electrically connected to the conductive member. Specifically, the conductive plug 122 is fixed on the ear plug portion 12, the conductive plug 122 is electrically connected to the detection electrode 121, the conductive member in the jack 112 is connected to the circuit in the earphone body 11, and when the conductive plug 122 is inserted into the jack 112, the electroencephalogram signal detected by the detection electrode 121 is transmitted to the signal processing module along the conductive plug 122 and the conductive member for processing. The mode can simplify the circuit connection of the in-ear electroencephalogram acquisition device, is simple and convenient, and can conveniently replace the earplug part 12. The conductive plug 122 is connected to the ear plug portion 12 in various ways, such as bonding or welding.
In the present embodiment, a plurality of detection electrodes 121 are disposed on each earplug portion 12, and the plurality of detection electrodes 121 are disposed at intervals along the circumferential direction of the earplug portion 12. Particularly, because the EEG signals detected by the detection electrodes 121 at different positions are different, a plurality of detection electrodes 121 are arranged, the EEG signals at a plurality of positions can be detected, and the obtained data can be more accurate through the analysis and the processing of the plurality of EEG signals, so that the practicability of the in-ear EEG acquisition device can be improved. The number of the detection electrodes 121 on each earplug portion 12 may be two, three, or four, and the invention is not limited thereto.
In the foregoing embodiment, the earphone portion 10 is mainly fixed on the ear of the user by the earplug portion 12, the fixed position is less, which easily causes the earphone portion 10 to drop, so in an embodiment, each earphone body 11 is provided with an ear hook, when the user fills the earplug portion 12 into the ear canal, the ear hook can be hung behind the ear, which greatly improves the fixing effect of the earphone portion 10, so that the in-ear electroencephalogram acquisition device is more stable to wear and is not easy to drop. Among them, the shape of the ear hook is various, for example, circular arc, "U" shape, and the like. In addition, the reference electrode and the first right leg driving electrode may be provided on the ear hook.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides an in-ear formula brain electricity collection system, its characterized in that, includes two earphone portions, two connect through the earphone cord between the earphone portion, each the earphone portion all includes an earphone body and earplug portion, earplug portion with this body coupling of earphone for fill in the user's duct, be equipped with detection electrode in the earplug portion.
2. The in-ear electroencephalogram acquisition device of claim 1, wherein the earphone body and the ear plug portion are detachably connected.
3. The in-ear electroencephalogram acquisition device of claim 2, wherein the earphone body is provided with an insertion projection, the earplug portion is provided with a slot, and the insertion projection is in insertion fit with the slot.
4. The in-ear electroencephalogram collection device of claim 3, further comprising a sound unit, wherein the sound unit is mounted on the earphone body, a sound channel is arranged on the insertion protrusion, the sound channel penetrates through the insertion protrusion, the sound channel is communicated with the sound unit, the slot penetrates through the ear plug portion, and the slot is communicated with the sound channel.
5. The in-ear electroencephalogram acquisition device of claim 2, wherein a conductive plug is arranged on the ear plug part and electrically connected with the detection electrode, a socket is correspondingly arranged on the earphone body, a conductive piece is arranged in the socket, the conductive plug is in plug fit with the socket, and the conductive plug is electrically connected with the conductive piece.
6. The in-ear electroencephalogram acquisition device of claim 1, wherein each of the ear plug portions is provided with a plurality of the detection electrodes, and the plurality of the detection electrodes are arranged at intervals along a circumferential direction of the ear plug portion.
7. The in-ear electroencephalogram acquisition device of claim 1, further comprising a reference electrode and/or a first right leg drive electrode, wherein one of said ear plug portions is provided with said reference electrode and the other of said ear plug portions is provided with said first right leg drive electrode.
8. The in-ear electroencephalogram acquisition device of any one of claims 1 to 7, further comprising a processing device, wherein the processing device is disposed on the earphone cord, and the processing device is electrically connected with the detection electrode.
9. The in-ear electroencephalogram acquisition device of claim 8, wherein the processing device is provided with a second right leg drive electrode.
10. The in-ear electroencephalogram acquisition device of claim 8, wherein the processing device is provided with a wireless receiving module, the earphone part is provided with a wireless transmitting module, and the processing device and the detection electrode are in wireless connection through the wireless receiving module and the wireless transmitting module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821973110.6U CN210019326U (en) | 2018-11-26 | 2018-11-26 | In-ear electroencephalogram acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821973110.6U CN210019326U (en) | 2018-11-26 | 2018-11-26 | In-ear electroencephalogram acquisition device |
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| CN210019326U true CN210019326U (en) | 2020-02-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839509A (en) * | 2020-08-21 | 2020-10-30 | 大连理工大学 | Device and method for collecting external auditory canal electroencephalogram signals |
| CN113949958A (en) * | 2021-10-08 | 2022-01-18 | 日月光半导体制造股份有限公司 | Earplug and method of manufacturing same |
| CN116019459A (en) * | 2023-02-20 | 2023-04-28 | 淮南联合大学(安徽广播电视大学淮南分校淮南职工大学) | In-ear electroencephalogram acquisition device |
-
2018
- 2018-11-26 CN CN201821973110.6U patent/CN210019326U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839509A (en) * | 2020-08-21 | 2020-10-30 | 大连理工大学 | Device and method for collecting external auditory canal electroencephalogram signals |
| CN113949958A (en) * | 2021-10-08 | 2022-01-18 | 日月光半导体制造股份有限公司 | Earplug and method of manufacturing same |
| CN113949958B (en) * | 2021-10-08 | 2024-04-16 | 日月光半导体制造股份有限公司 | Earplug and method of manufacturing the same |
| CN116019459A (en) * | 2023-02-20 | 2023-04-28 | 淮南联合大学(安徽广播电视大学淮南分校淮南职工大学) | In-ear electroencephalogram acquisition device |
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