Easy-to-wear electroencephalogram amplifier

Abstract

The utility model provides an electroencephalogram amplifier convenient to wear, which belongs to the technical field of signal processing equipment.The electroencephalogram amplifier comprises an electroencephalogram amplifier base and a host module, and a wearing device and an electroencephalogram electrode are arranged on the electroencephalogram amplifier base; the wearable device comprises a wearable head band, adjusting bands and buckles, the two ends of the wearable head band are each connected with one adjusting band, each adjusting band is matched with one buckle, each buckle is provided with a connecting port, and the outer side surfaces of the two ends of the wearable head band are each provided with a hook-and-loop fastener loop surface; a magic tape hook surface is arranged on the outer side surface of the end part of each adjusting belt; the end of each adjusting belt penetrates through the corresponding connecting opening and then is folded back, and the hook faces of the hook-and-loop fasteners are connected with the loop faces of the hook-and-loop fasteners. The two buckles are connected with the two ends, in the width direction, of the electroencephalogram amplifier base correspondingly, the wearing process of the electroencephalogram amplifier is simple and rapid through the wearing device, and the electroencephalogram amplifier is stable and not prone to falling off after being worn and adapts to the head shapes of different users.

Description

TECHNICAL FIELD

[0001] The utility model belongs to signal processing equipment technical field, especially, it relates to a brain electric amplifier convenient to wear. BACKGROUND

[0002] With the in-depth research of neuroscience and cognitive science, the brain electric amplifier plays a vital role in scientific research and clinical application. The brain electric amplifier collects and analyzes the weak electrical signals generated by the cerebral cortex, providing an important basis for revealing brain function, cognitive process and disease diagnosis. However, the existing brain electric amplifier usually uses multiple brain electrodes to be pasted on the human head skin when collecting electrical signals. The wearing of multiple brain electrodes is complex and uncomfortable, and with the rotation of the human head, the brain electrodes may be separated from the human head skin, thereby affecting the accuracy and continuity of data collection.

[0003] Moreover, the existing brain electric amplifier usually adopts a rigid structure or a complex fixing device, which is difficult to closely fit the head shape of different users, resulting in unstable wearing. In addition, the contact between the electrode and the scalp is often not close enough, which is easily disturbed by the outside world, further reducing the signal quality. For example, the utility model patent with the name of a wearable brain electric collector, application number CN202020537163.4, adopts a helmet type design and multiple brain electrodes. This design has the problems of complex wearing of multiple brain electrodes and inability to adapt to the head shape of different users. UTILITY MODEL CONTENT

[0004] In view of the above problems in the prior art, the utility model aims to provide a brain electric amplifier convenient to wear, which solves the problems of complex wearing and inability to adapt to the head shape of different users of the existing wearable brain electric collector.

[0005] In order to achieve the above utility model purposes, the utility model adopts the following technical scheme:

[0006] A brain electric amplifier convenient to wear is provided, which comprises a brain electric amplifier base and a host module connected with each other in an electrical manner. The brain electric amplifier base is provided with a wearing device and an electroencephalogram electrode connected in an electrical manner for collecting human brain electrical signals.

[0007] The wearing device comprises a wearing headband, an adjusting band and a buckle. One end of each adjusting band is connected with the wearing headband, and each adjusting band is matched with a buckle. Each buckle is provided with a connecting port, and the outer surface of each end of the wearing headband is provided with a magic tape hair surface. The outer surface of each end of each adjusting band is provided with a magic tape hook surface. Each adjusting band is folded back after passing through the connecting port, and the magic tape hook surface is connected with the magic tape hair surface. The two buckles are connected with the two ends of the brain electric amplifier base in the width direction.

[0008] The basic principle of the brain electric amplifier convenient to wear in the utility model is: when using the brain electric amplifier, the user first adjusts the diameter of the wearing headband according to the head circumference and connects the buckle with the brain electric amplifier base, then places the whole brain electric amplifier on the head through the wearing headband, then pulls the adjusting belt until the back of the brain electric amplifier base and the wearing headband are close to the head, and then fixes the brain electric electrode on the scalp, when collecting the human brain electric signal, the brain electric electrode transmits the detected signal to the host module through the brain electric amplifier base for processing and analysis. The whole brain electric amplifier wearing process is simple and fast, and is stable and not easy to fall off after wearing.

[0009] Further, the two buckles are respectively detachable from the two ends of the brain electric amplifier base in the width direction, so that the disassembly and replacement of the whole wearing device and the brain electric amplifier base become simple and fast, greatly improving the wearing efficiency of the brain electric amplifier.

[0010] Further, specifically as a specific detachable connection mode of the buckle and the brain electric amplifier base, two buckle sleeves are symmetrically arranged inside the brain electric amplifier base, one end of the two buckles respectively passes through the brain electric amplifier base and is slidably connected with the two buckle sleeves, the other end of the two buckles is located outside the brain electric amplifier base and is provided with a connecting port, and a locking device is arranged on each buckle sleeve. The arrangement of the buckle sleeve plays a role of guiding and fixing the buckle, so that the whole wearing device is convenient to connect with the brain electric amplifier base. The locking device can stably connect the buckle, the adjusting belt connected with the buckle and the whole brain electric amplifier base, so as to avoid falling off when wearing the brain electric amplifier base.

[0011] Further, as a specific embodiment of the locking device, a locking groove is arranged inside the buckle sleeve on the front surface and the back surface of each buckle; each locking device comprises a shell, the shell is fixedly connected with the outer wall of the buckle sleeve, a spring is arranged inside the shell, one end of the spring is fixed with the inner bottom surface of the shell, the other end of the spring is provided with a locking bead, and the locking bead is in contact with the locking groove through the shell and the buckle sleeve under the pushing force of the spring. The principle of the locking device is: in the process of assembling the buckle into the buckle sleeve, the surface of the buckle is in contact with the locking bead, the friction between the two is small, so that the buckle can continue to slide in the buckle sleeve, when the stroke of the buckle in the buckle sleeve reaches the specified position, the locking groove is just aligned with the locking bead, and under the pushing force of the spring, the locking bead is partially located in the locking groove, so as to fix the buckle in the buckle sleeve, so as to fix the buckle, the wearing headband and the adjusting belt fixedly connected with the buckle, and avoid the phenomenon that the brain electric amplifier is separated from the head of the human body due to the separation of the buckle from the buckle sleeve. When it is necessary to disassemble the buckle, the buckle can be disassembled from the brain electric amplifier base by pulling the buckle outward until the locking bead is separated from the locking groove.

[0012] Further, the locking groove is in a semi-spherical structure, the diameter of the opening of the locking groove is smaller than the diameter of the locking ball, and the depth of the locking groove is 1 / 3 to 1 / 2 of the diameter of the locking ball.

[0013] Further, the middle part of the headband is provided with a brim.

[0014] Further, the electroencephalogram electrode comprises a plurality of dry electrodes and electroencephalogram electrodes.

[0015] After the whole electroencephalogram amplifier is worn, the plurality of dry electrodes on the back of the electroencephalogram amplifier base automatically contact the scalp, without the need for secondary adjustment, simplifying the wearing process of the dry electrode, and improving the wearing efficiency.

[0016] The electroencephalogram amplifier has the advantages that:

[0017] 1. The electroencephalogram amplifier is convenient to wear, the wearing process of the electroencephalogram amplifier is simple and fast, the electroencephalogram amplifier is stable after wearing and is not easy to fall off, and the electroencephalogram amplifier is suitable for the head shapes of different users.

[0018] 2. The electroencephalogram amplifier is convenient to wear, and after the whole electroencephalogram amplifier is worn, the plurality of dry electrodes on the back of the electroencephalogram amplifier base automatically contact the scalp, without the need for secondary adjustment, simplifying the wearing process of the dry electrode and improving the wearing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a three-dimensional schematic view of the electroencephalogram amplifier.

[0020] Fig. 2 It is a three-dimensional structural schematic view of the electroencephalogram amplifier base.

[0021] Fig. 3 It is a structural schematic view of the buckle and the buckle sleeve.

[0022] Wherein, 1, EEG amplifier base; 2, host module; 3, wearing headband; 4, adjusting belt; 5, buckle; 6, magic tape surface; 7, magic tape hook surface; 8, buckle cover; 9, locking groove; 10, shell; 11, spring; 12, locking bead; 13, brim; 14, dry electrode; 15, EEG electrode; 16, electrode line; 17, connecting port. DETAILED DESCRIPTION

[0023] The specific embodiments of the utility model are described below so as to facilitate the understanding of the utility model by the person skilled in the art, but it should be clear that the utility model is not limited to the scope of the specific embodiments, for the person skilled in the ordinary skill in the art, as long as various changes are within the spirit and scope of the utility model defined and determined by the appended claims, these changes are obvious, all the invention and creation using the concept of the utility model are within the scope of protection.

[0024] As Figs. 1-3 The utility model provides a brain electricity amplifier convenient to wear, it includes the brain electricity amplifier base 1 and host module 2 of mutual electric connection, be provided with wearing device on the brain electricity amplifier base 1 and electrically connected with the brain electricity electrode for gathering human brain electricity signal.

[0025] Wearing device includes wearing headband 3, adjusting belt 4 and buckle 5, wearing headband 3 both ends are connected with a adjusting belt 4, and each adjusting belt 4 is matched with a buckle 5, and each buckle 5 is provided with a connecting port 17, and the outer side surface of both ends of wearing headband 3 is provided with a magic tape surface 6, and the outer side surface of the end of each adjusting belt 4 is provided with a magic tape hook surface 7, and the end of each adjusting belt 4 is folded back after passing through the connecting port 17, and the magic tape hook surface 7 is connected with the magic tape surface 6, and two buckles 5 are connected with the both ends of the width direction of the brain electricity amplifier base 1. The middle part of wearing headband 3 is provided with a brim 13. The brim 13 can play the role of sunshade and shading, and improves the comfort of wearing the brain electricity amplifier in the strong light environment.

[0026] When using the brain electricity amplifier, the user first adjusts the diameter of wearing headband 3 according to the head circumference and connects buckle 5 with brain electricity amplifier base 1, then places the whole brain electricity amplifier on the head through wearing headband 3, then pulls adjusting belt 4 until the back of brain electricity amplifier base 1 and wearing headband 3 are close to the head, then fixes the brain electricity electrode on the scalp, when gathering human brain electricity signal, the brain electricity electrode transmits the detected signal to host module 2 through brain electricity amplifier base 1 for processing and analysis. The whole brain electricity amplifier wearing process is simple and fast, and is stable and not easy to fall off after wearing.

[0027] Preferably, the electroencephalogram electrode comprises a plurality of dry electrodes 14 and an electroencephalogram electrode 15; the plurality of dry electrodes 14 are arranged on the back of the electroencephalogram amplifier base 1, and the bottom of the electroencephalogram amplifier base 1 is provided with two electrode wires 16, each of which is electrically connected with an electroencephalogram electrode 15. After the entire electroencephalogram amplifier is worn, the plurality of dry electrodes 14 on the back of the electroencephalogram amplifier base 1 automatically contact the scalp, without the need for secondary adjustment, simplifying the wearing process of the dry electrodes 14, while the dry electrodes 14 have the advantages of not needing conductive paste, simplifying the operation, being suitable for various environments and people, reducing impedance of amplified signals, adapting to different scalp conditions, and reducing the preparation time before data recording. The electroencephalogram electrode 15 can be a wet electrode, which is convenient to paste on other positions of the head. The cooperation of the plurality of dry electrodes 14 and the plurality of electroencephalogram electrodes 15 realizes the collection of human brain electrical signals in multiple directions and angles, improving the collection efficiency.

[0028] Preferably but not limitedly, the two buckles 5 are respectively detachable from the two ends of the electroencephalogram amplifier base 1 in the width direction, so that the disassembly and replacement of the entire wearing device and the electroencephalogram amplifier base 1 become simple and fast, greatly improving the wearing efficiency of the electroencephalogram amplifier.

[0029] Specifically, as a specific detachable connection mode of the buckle 5 and the electroencephalogram amplifier base 1, two buckle sleeves 8 are symmetrically arranged inside the electroencephalogram amplifier base 1, one end of the two buckles 5 is respectively slidably connected with the two buckle sleeves 8 through the electroencephalogram amplifier base 1, the other end of the two buckles 5 is located outside the electroencephalogram amplifier base 1 and is provided with a connecting port 17, and each buckle sleeve 8 is provided with a locking device. The buckle sleeve 8 plays a role of guiding and fixing the buckle 5, so that the entire wearing device is convenient to connect with the electroencephalogram amplifier base 1. The locking device can make the buckle 5 and the adjusting belt 4 connected with the buckle 5 stably connected with the entire electroencephalogram amplifier base 1, avoiding the falling off of the electroencephalogram amplifier base 1 when wearing.

[0030] As a specific embodiment of the locking device, the front and back of each buckle 5 is provided with a locking groove 9 inside the buckle sleeve 8; each locking device includes a shell 10, which is fixedly connected with the outer wall of the buckle sleeve 8, and the inside of the shell 10 is provided with a spring 11, one end of which is fixed with the inner bottom surface of the shell 10, and the other end is provided with a locking ball 12, which is in contact with the locking groove 9 through the shell 10 and the buckle sleeve 8 under the pushing force of the spring 11. The locking groove 9 is in a semi-spherical structure, the diameter of the opening of the locking groove 9 is smaller than that of the locking ball 12, and the depth of the locking groove 9 is 1 / 3~1 / 2 of the diameter of the locking ball 12. The principle of the locking device is that in the process of the buckle 5 being installed into the buckle sleeve 8, the surface of the buckle 5 is in contact with the locking ball 12, and the friction between them is small, so that the buckle 5 can continue to slide in the buckle sleeve 8, when the stroke of the buckle 5 in the buckle sleeve 8 reaches a specified position, the locking groove 9 is just aligned with the locking ball 12, and under the pushing force of the spring 11, the locking ball 12 is partially located in the locking groove 9, thereby fixing the buckle 5 in the buckle sleeve 8, achieving the purpose of fixing the buckle 5 and the headband 3 and the adjusting band 4 fixedly connected with the buckle 5, and avoiding the phenomenon that the electroencephalograph is separated from the human head due to the disengagement of the buckle 5 from the buckle sleeve 8. When it is necessary to disassemble the buckle 5, it is only needed to pull the buckle 5 outward until the locking ball 12 is separated from the locking groove 9, so that the buckle 5 can be disassembled from the electroencephalograph base 1.

Claims

1. A brain radio amplifier that is easy to wear, characterized by, The brain electric amplifier base and the host module are electrically connected to each other, the brain electric amplifier base is provided with a wearing device and an electroencephalogram electrode for collecting human brain electric signals. The wearing device comprises a wearing headband, an adjusting band and a buckle, the two ends of the wearing headband are connected with the adjusting bands, the adjusting bands are matched with the buckles, the buckles are provided with a connecting port, the outer surface of the two ends of the wearing headband is provided with a magic tape, the outer surface of the end of the adjusting band is provided with a magic tape hook, the magic tape hook is connected with the magic tape, and the two buckles are connected with the two ends of the brain electric amplifier base in the width direction.

2. The electroencephalograph amplifier convenient to wear according to claim 1, characterized in that, The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction.

3. The electroencephalograph amplifier convenient to wear according to claim 2, characterized in that, The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction.

4. The electroencephalograph amplifier convenient to wear according to claim 3, characterized in that, The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction.

5. The electroencephalograph amplifier convenient to wear according to claim 4, characterized in that, The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction.

6. The EEG amplifier convenient to wear according to any one of claims 1-5, characterized in that, The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction.

7. The brain EEG amplifier for easy wearing of claim 1, wherein, The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction. The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction. The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction. The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction. The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction. The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction. The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction. The two buckles are detachable with the two ends of the brain electric amplifier base in the width direction. 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The two buckles are detachable with the two ends of the brain

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