CN209932733U

CN209932733U - In-ear electroencephalogram acquisition device

Info

Publication number: CN209932733U
Application number: CN201821959247.6U
Authority: CN
Inventors: 符智博
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2020-01-14
Anticipated expiration: 2028-11-26

Abstract

The utility model discloses an in-ear electroencephalogram collection device, in-ear electroencephalogram collection device includes earphone portion, earphone portion includes interconnect's earphone body and earplug portion, earplug portion is used for filling in the user's duct, be equipped with detection electrode in the earplug portion, be equipped with first passageway on the earphone body, first passageway runs through the earphone body, be equipped with the second passageway in the earplug portion, the second passageway runs through earplug portion, just first passageway with second passageway intercommunication. The utility model discloses technical scheme can convenience of customers use.

Description

In-ear electroencephalogram acquisition device

Technical Field

The utility model relates to an electroencephalogram collection equipment technical field, in particular to in-ear electroencephalogram collection device.

Background

In general, when the human brain is active, neurons produce and transmit electrical signals to the surface of the scalp, which are called electroencephalogram signals, which can be used in medical and research applications. Currently, there is a device for collecting electroencephalogram signals in the auditory canal by plugging the entire electrode into the auditory canal to detect the electroencephalogram signals. However, in many cases, the electroencephalogram needs to be detected and monitored for a long time, and when the device is worn for a long time, the auditory canal is blocked for a long time, so that the user cannot hear external sound easily, and the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an in-ear electroencephalogram acquisition device, which is convenient for users to use.

In order to achieve the above object, the utility model provides an in-ear electroencephalogram collection device, including earphone portion, earphone portion includes interconnect's earphone body and earplug portion, earplug portion is used for filling in user's duct, be equipped with detection electrode in the earplug portion, be equipped with first passageway on the earphone body, first passageway runs through the earphone body, be equipped with the second passageway in the earplug portion, the second passageway runs through earplug portion, just first passageway with second passageway intercommunication.

Optionally, the earphone part is provided with a sound production unit, and a sound outlet of the sound production unit is communicated with the first channel.

Optionally, the sound generating unit is detachably connected to the earphone portion.

Optionally, the sound emitting unit is mounted within the first channel.

Optionally, the inner wall of the first channel is provided with a first conductive piece, the sound generating unit is provided with a second conductive piece, and after the sound generating unit is installed in place, the first conductive piece is abutted to the second conductive piece.

Optionally, the sound generating unit is clamped with the earphone body through a clamping structure.

Optionally, the earphone body and the ear plug portion are detachably connected.

Optionally, the earphone body is provided with an insertion protrusion, the first channel penetrates through the insertion protrusion, and the insertion protrusion is in insertion fit with the second 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 third 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 third conductive piece.

Optionally, the in-ear electroencephalogram acquisition device is provided with two earphone parts, and the two earphone parts are connected through an earphone wire.

The utility model discloses technical scheme is through setting up first passageway on the earphone body, and make first passageway run through the earphone body, set up the second passageway in earplug portion, and make the second passageway run through earplug portion along the direction of filling in user's duct, simultaneously with first passageway and second passageway intercommunication, then wear the earphone portion at the user, and when filling in user's duct with earplug portion, user's duct can be through first passageway and second passageway and with external intercommunication, make the user can clearly hear external sound, when avoiding the user to wear the pleasant formula brain electricity collection system, block up the duct and lead to the hearing to weaken because of earplug portion, can greatly reduced user's the uncomfortable sense of wearing, make the pleasant formula brain electricity collection system can adapt to more application scenes, more convenience of customers use. In addition, detection electrode establishes in earplug portion, fills in user's duct with earplug portion for detection electrode and user's duct contact, with the detection EEG signal, this mode is owing to need not wrap up EEG collection system at whole head, has reduced the volume of pleasant formula EEG collection system greatly, and it is more convenient to make the user detect EEG signal.

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 part	122	Conductive plug
11	Earphone body	123	The second channel
				111	First conductive member	13	Sound production unit
112	Socket	131	The second conductive member
				113	First channel	20	Processing apparatus
114	Plug-in projection	21	Right leg driving electrode
				12	Earplug part	22	Data interface
121	Detection electrode	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 an earphone portion 10, the earphone portion 10 includes an earphone body 11 and an earplug portion 12 connected to each other, the earplug portion 12 is used for plugging in the ear canal of the user, a detecting electrode 121 is disposed on the earplug portion 12, a first channel 113 is disposed on the earphone body 11, the first channel 113 runs through the earphone body 11, a second channel 123 is disposed on the earplug portion 12, the second channel 123 runs through the earplug portion 12, and the first channel 113 and the second channel 123 are communicated.

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 detecting electrode 121 may be provided in a plurality, for example, two, three, or four, and the like, which is not limited by the present invention.

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, for reducing the human noise influence EEG signal that produces by electromagnetic interference, the EEG signal of the collection of messenger is more accurate, and in-ear EEG collection system still is equipped with reference electrode and right leg drive electrode 21, and wherein, reference electrode and right leg drive electrode 21 can set up on earphone body 11, also can set up on earplug portion 12 and so on, the utility model discloses not prescribing a limit to this, as long as can reduce the interference to EEG signal, improve EEG signal's accuracy can.

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 on the electroencephalogram signal, wherein the shielding shell can be set as a metal piece, a metal coating can be coated on the shielding shell, and the like, so long as the effect of shielding the electromagnetism can be achieved.

The utility model discloses technical scheme is through setting up first passageway 113 on earphone body 11, and make first passageway 113 run through earphone body 11, set up second passageway 123 on earplug portion 12, and make second passageway 123 run through earplug portion 12 along the direction of filling in the user's duct, simultaneously with first passageway 113 and second passageway 123 intercommunication, then wear earphone portion 10 at the user, and when filling in user's duct with earplug portion 12, the user's duct can be through first passageway 113 and second passageway 123 and with external intercommunication, make the user can clearly hear external sound, when avoiding the user to wear the formula electroencephalogram collection device of ear, block up the duct and lead to the hearing to weaken because of earplug portion 12, can greatly reduced user's uncomfortable sense of wearing, make the formula electroencephalogram collection device of ear can adapt to more application scenes, convenience of customers uses more. In addition, detecting electrode 121 establishes on earplug portion 12, fills in user's duct with earplug portion 12 for detecting electrode 121 and user's duct contact, with the detection EEG signal, this mode has reduced the volume of pleasant formula EEG collection system greatly owing to need not wrap up EEG collection system at whole head, makes the user detect EEG signal more convenient.

Because the electroencephalogram detection process is relatively boring, in order to improve user experience, in this embodiment, the earphone portion 10 is provided with the sound generating unit 13, and a sound outlet of the sound generating unit 13 is communicated with the first channel 113. That is to say, a sound generating unit 13 is disposed on the earphone portion 10, the sound generating unit 13 is electrically connected to the wireless communication module, and is connected to a terminal device such as a mobile phone through the wireless communication module, so as to play sounds such as music, and the sounds such as music are transmitted into the ear canal of the user through the first channel 113 and the second channel 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. The sound unit 13 may be provided in the ear plug portion 12, or may be provided in the earphone body 11.

In one embodiment, the sound generating unit 13 is detachably connected to the earphone unit 10 for the convenience of the user. It can be understood that, in order to make the user hear the sound of the sound generating unit 13 better, the first channel 113 is generally blocked by the sound generating unit 13, so as to avoid the sound of the sound generating unit 13 from being spread to the outside too much, thereby resulting in poor effect of the sound generating unit 13. However, when the sound emission unit 13 blocks the first channel 113, even if the sound emission unit 13 does not play music, the user is prevented from receiving the external sound, so that the user cannot clearly hear the external sound. The sound generating unit 13 is detachably connected with the earphone part 10, so that when a user does not need to listen to music, the sound generating unit 13 can be taken down to listen to external sound or talk with people, and the like, so that the use of the user is more convenient.

In this embodiment, sound generating unit 13 is installed in first passageway 113, and sound outlet of sound generating unit 13 is towards second passageway 123, and sound generating unit 13 can not expose outside like this, can avoid sound generating unit 13 to receive collision or wearing and tearing, can improve sound generating unit 13's life greatly. In addition, in one embodiment, the inner wall of the first channel 113 is provided with a first conductive piece 111, the sound generating unit 13 is provided with a second conductive piece 131, and after the sound generating unit 13 is installed in place, the first conductive piece 111 abuts against the second conductive piece 131. It can be understood that a circuit is disposed in the earphone body 11, the first conductive piece 111 is electrically connected to the circuit, the sound generating unit 13 is disposed with the second conductive piece 131, the second conductive piece 131 is electrically connected to the sound generating unit 13, and after the sound generating unit 13 is installed in the first channel 113, the first conductive piece 111 can abut against the second conductive piece 131, so that the sound generating unit 13 is electrically connected to the circuit inside the earphone body 11 through the first conductive piece 111 and the second conductive piece 131. When the first conductive member 111 is connected to the wireless communication module, the terminal device can make the sound generating unit 13 play sound through the wireless communication module. Since the first conductive member 111 contacts the second conductive member 131 to transmit the electrical signal, there is no need to provide a connection line between the first conductive member 111 and the second conductive member 131, so that the sound generating unit 13 can be easily assembled and disassembled. Of course, in other embodiments, the sound unit 13 may be provided with a wire to be connected to the earphone body 11 by wire.

In another embodiment, the sound generating unit 13 is clamped with the earphone body 11 through a clamping structure. When the in-ear electroencephalogram acquisition device is worn, in order to prevent the sound production unit 13 from falling off, the earphone body 11 is provided with a clamping structure, and when the sound production unit 13 is installed on the earphone body 11, the sound production unit 13 is fixed through the clamping structure; when the sounding unit 13 needs to be taken down, the clamping structure is unlocked, and the sounding unit 13 can be taken out. So, can effectively fix sound generating unit 13, also can conveniently take out sound generating unit 13, the structure is comparatively simple, and the operation is also convenient. Wherein, the joint structure specifically can be buckle and draw-in groove joint, also can set up the pin on earphone body 11, when sound generating unit 13 packs into first passageway 113, utilizes the pin to block sound generating unit 13, can also adopt the mode of similar ballpoint switch etc.. Of course, in other embodiments, the sound emitting unit 13 may be tightly fitted with the first channel 113, 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 first channel 113 penetrates through the insertion protrusion 114, and the insertion protrusion 114 is inserted into and matched with the second channel 123. Specifically, in the natural state of the earplug portion 12, the size of the second channel 123 is smaller than the size of the insertion protrusion 114, when the second channel 123 is inserted into the insertion protrusion 114, the second channel 123 is squeezed and deformed by the insertion protrusion 114 to expand, and since the earplug portion 12 is a soft member and has good elasticity, after the insertion protrusion 114 is inserted into the second channel 123, 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.

In this embodiment, the ear plug 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 third conductive member is provided 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 third 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 third 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 third 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 order to better detect the electroencephalogram signals, in the embodiment, the in-ear electroencephalogram acquisition device is provided with two earphone parts 10, and the two earphone parts 10 are connected through an earphone wire 30. Specifically, the two earphone parts 10 can be worn on the left ear and the right ear of the user respectively, and after the two earphone parts 10 are arranged, the number of the detection electrodes 121 can be increased, more electroencephalogram signals can be detected, and the accuracy of the in-ear electroencephalogram acquisition device can be improved. Furthermore, the method is simple. Because the electroencephalograms generated by the left and right brains of a person are different, the detection electrodes 121 are arranged on the two earphone parts 10, and can be used for simultaneously detecting the electroencephalograms of the left and right brains, so that the diversity of the detected electroencephalograms can be improved, the analysis and the processing of the electroencephalograms are facilitated, and the health state of the human body can be judged more accurately.

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 and the detection electrode 121 are also wirelessly connected, for example, the processing device 20 is provided with a wireless receiving module, the earphone unit 10 is provided with a wireless transmitting module, and the processing device 20 and the detection electrode 121 are wirelessly connected by 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 long circular ring, etc. In addition, in other embodiments, the processing device 20 may also be provided on the earphone portion 10 or the like.

In addition, in another embodiment, the right leg driving electrode 21 is disposed on the processing device 20, since the processing device 20 is disposed on the earphone cord 30 between the two earphone portions 10, when the user uses the in-ear electroencephalogram collecting device, the processing device 20 can be placed on the back neck, in this state, one surface of the processing device 20 will contact with the human body, the right leg driving electrode 21 is disposed on the surface contacting with the human body, and the right leg driving electrode 21 can contact with the human body, thereby increasing the signal-to-noise ratio. Since the right leg driving electrode 21 is disposed away from the detection electrode 121 and the reference electrode, the 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.

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

1. The utility model provides an in-ear formula brain electricity collection system, a serial communication port, including earphone portion, earphone portion includes interconnect's earphone body and earplug portion, earplug portion is used for filling in user's duct, be equipped with detection electrode in the earplug portion, be equipped with first passageway on the earphone body, first passageway runs through the earphone body, be equipped with the second passageway in the earplug portion, the second passageway runs through earplug portion, just first passageway with second passageway intercommunication.

2. The in-ear electroencephalogram acquisition device of claim 1, wherein the earphone part is provided with a sound production unit, and a sound outlet of the sound production unit is communicated with the first channel.

3. The in-ear electroencephalogram acquisition device of claim 2, wherein the sound generating unit is detachably connected with the earphone section.

4. The in-ear electroencephalogram acquisition device of claim 3, wherein the sound producing unit is mounted within the first channel.

5. The in-ear electroencephalogram acquisition device of claim 4, wherein the inner wall of the first channel is provided with a first conductive piece, the sound generating unit is provided with a second conductive piece, and the first conductive piece abuts against the second conductive piece after the sound generating unit is installed in place.

6. The in-ear electroencephalogram acquisition device of claim 3, wherein the sound generating unit is clamped with the earphone body through a clamping structure.

7. The in-ear electroencephalogram acquisition device of any one of claims 1 to 6, wherein the earphone body and the ear plug portion are detachably connected.

8. The in-ear electroencephalogram acquisition device of claim 7, wherein the earphone body is provided with an insertion projection, the first channel penetrates through the insertion projection, and the insertion projection is in insertion fit with the second channel.

9. The in-ear electroencephalogram acquisition device of claim 7, 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 third 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 third conductive piece.

10. The in-ear electroencephalogram acquisition device of claim 1, wherein the in-ear electroencephalogram acquisition device is provided with two earphone parts, and the two earphone parts are connected through earphone wires.