A multi-point measurement electroencephalography sensor

Abstract

This utility model discloses a multi-point measurement EEG sensor, relating to the field of EEG sensor technology. It includes a flexible silicone band and a disassembly / assembly assembly. The flexible silicone band is an integrated structure, with a first elastic ring connected to the lower left end. The disassembly / assembly assembly is located on both sides of the flexible silicone band and includes a fixing post, a threaded fixing groove, a threaded connecting post, a fixing connecting cover, a limiting ring, a connecting silicone band, a connecting hole, a limiting hole, an elastic ring, and an electrode chip. The fixing post is located on both sides of the flexible silicone band, and its surface has a threaded fixing groove. This multi-point measurement EEG sensor, through the disassembly / assembly assembly, allows for quick assembly and disassembly of the fixed structure, enabling flexible multi-point measurement and more accurate localization of brain region activity or abnormal discharges. The fixing assembly allows for flexible fixation of the entire device, making it suitable for people with different head shapes.

Description

Technical Field

[0001] This utility model relates to the field of electroencephalogram (EEG) sensor technology, specifically to an EEG sensor for multi-point measurement. Background Technology

[0002] Electroencephalogram (EEG) sensors are devices that collect electrical signals from the brain via electrodes to monitor brain activity or diagnose diseases. They can also enable brain-computer interfaces (BCIs) to help control external devices or train focus. They are characterized by non-invasive monitoring, high sensitivity, and portable design, and can be widely used in BCIs, medical diagnosis, health management, scientific research, and military fields. However, current EEG sensors still have the following shortcomings:

[0003] For example, patent document CN222693390U discloses a wearable EEG sensor. This wearable EEG sensor designs the EEG electrodes in the form of a headband, combining the aesthetics and practicality of wearable devices. In practical applications, the headband can provide a certain pressure on the EEG detection surface, causing the EEG detection surface to fully adhere to the detection position. However, it is not convenient for multi-point measurement, and the accuracy is relatively low in actual measurement. Utility Model Content

[0004] The purpose of this invention is to provide a multi-point measurement EEG sensor to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-point measurement EEG sensor, comprising a flexible silicone strip and a disassembly assembly. The flexible silicone strip is an integrated structure, and a first elastic ring is connected to the lower left end of the flexible silicone strip. The disassembly assembly is disposed on both sides of the flexible silicone strip, and the disassembly assembly includes a fixing post, a threaded fixing groove, a threaded connecting post, a fixing connecting cover, a limiting ring, a connecting silicone strip, a connecting hole, a limiting hole, an elastic ring, and an electrode chip. The fixing post is disposed on both sides of the flexible silicone strip, and a threaded fixing groove is formed on the surface of the fixing post. A threaded connecting post is threadedly connected to the inner side of the threaded fixing groove, and a fixing connecting cover is installed on the outer side of the threaded connecting post. A limiting ring is provided on the outer surface of the fixing connecting cover.

[0006] Furthermore, the limiting ring and the fixed connection cover are an integrated structure that is tightly connected, and the inner surface of the fixed connection cover is engaged with the outer surface of the fixed column.

[0007] Furthermore, the surface of the fixing column is provided with a connecting silicone strip, and the two sides of the connecting silicone strip are provided with connecting holes.

[0008] Furthermore, a limiting hole is formed on the surface of the connecting silicone tape, and an elastic ring is provided on the inner surface of the limiting hole.

[0009] Furthermore, an electrode chip is provided inside the limiting hole, and a sensing wire is connected to the upper side of the electrode chip. A signal processing module is provided at the end of the sensing wire away from the electrode chip.

[0010] Furthermore, a second elastic ring is provided on the lower right side of the flexible silicone strip, and a fixing component for fixing is provided on the lower side of the second elastic ring. The fixing component includes a right fixing strip, a fixing hole, and a fixing member.

[0011] Furthermore, the right fixing strap is located on the lower right side of the flexible silicone strip, and a fixing hole is provided on the left end surface of the right fixing strap. A fixing member is provided on the right end of the surface of the flexible silicone strip.

[0012] Furthermore, the fixing component also includes a left fixing strap and a fixing soft ring, and the left fixing strap is provided on the lower side of the first elastic ring, and the fixing soft ring is provided on the right end surface of the left fixing strap.

[0013] This invention provides a multi-point measurement EEG sensor with the following advantages:

[0014] 1. This utility model incorporates a disassembly and assembly assembly, comprising a fixed post, a threaded fixing groove, a threaded connecting post, a fixed connecting cover, a limiting ring, a connecting silicone strip, a connecting hole, a limiting hole, an elastic ring, and an electrode chip. In use, the connecting silicone strip is fitted onto the outer surface of the fixed post through the connecting hole. The threaded connecting post connects to the inner surface of the threaded fixing groove, fixing the fixed connecting cover to the fixed post. Simultaneously, the inner side of the fixed connecting cover engages with the outer surface of the fixed post. The limiting ring secures and limits the connecting silicone strip on both sides. Different numbers of connecting silicone strips can be connected according to actual needs. The electrode chip is then passed through the inner side of the limiting hole, and the elastic ring limits the electrode chip. Different numbers of electrode chips can be fixed according to actual needs. This allows for rapid disassembly and assembly of the fixed structure, enabling flexible multi-point measurement and more precise localization of brain activity or abnormal discharges.

[0015] 2. This utility model features a fixing component, which includes a right fixing strap, a fixing hole, and a fixing element. The fixing component also includes a left fixing strap and a fixing soft ring. In use, the flexible silicone strap is fixed, and the right fixing strap is passed through the fixing soft ring on the surface of the left fixing strap. After passing through, the right fixing strap is flipped to the right so that the fixing hole on the surface of the right fixing strap is aligned with the surface of the fixing element. The fixing element is then passed through the fixing hole to fix the right fixing strap. The folding length of the right fixing strap can be adjusted according to actual needs, thus enabling the device to achieve flexible fixation of the entire device and making it suitable for people with different head shapes. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a multi-point measurement electroencephalogram (EEG) sensor according to the present invention.

[0017] Figure 2 This is a three-dimensional structural diagram of the assembly and disassembly components of a multi-point measurement EEG sensor according to this utility model.

[0018] Figure 3 This invention relates to a multi-point measurement electroencephalogram (EEG) sensor. Figure 2 Enlarged structural diagram at point A in the middle;

[0019] Figure 4 This is a three-dimensional structural diagram of the fixed component of a multi-point measurement electroencephalogram (EEG) sensor according to the present invention.

[0020] In the diagram: 1. Flexible silicone strip; 2. First elastic ring; 3. Assembly / disassembly assembly; 301. Fixing post; 302. Threaded fixing groove; 303. Threaded connecting post; 304. Fixing connecting cover; 305. Limiting ring; 306. Connecting silicone strip; 307. Connecting hole; 308. Limiting hole; 309. Elastic ring; 310. Electrode chip; 4. Sensing wire; 5. Signal processing module; 6. Second elastic ring; 7. Fixing assembly; 701. Right fixing strip; 702. Fixing hole; 703. Fixing component; 704. Left fixing strip; 705. Fixing flexible ring. Detailed Implementation

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0022] like Figures 1 to 4As shown, a multi-point measurement EEG sensor includes a flexible silicone band 1 and a disassembly / assembly assembly 3. The flexible silicone band 1 is an integrated structure, and a first elastic ring 2 is connected to the lower left side of the flexible silicone band 1. The disassembly / assembly assembly 3 is disposed on both sides of the flexible silicone band 1, and the disassembly / assembly assembly 3 includes a fixing post 301, a threaded fixing groove 302, a threaded connecting post 303, a fixing connecting cover 304, a limiting ring 305, a connecting silicone band 306, a connecting hole 307, a limiting hole 308, an elastic ring 309, and an electrode chip 310. The fixing post 301 is disposed on both sides of the flexible silicone band 1, and a threaded fixing groove 302 is formed on the surface of the fixing post 301. A threaded connecting post 303 is threadedly connected to the inner side of the threaded fixing groove 302. 03 A fixed connection cover 304 is installed on the outside. A limit ring 305 is provided on the outer surface of the fixed connection cover 304. The limit ring 305 and the fixed connection cover 304 are an integrated structure that is tightly connected. The inner surface of the fixed connection cover 304 is engaged with the outer surface of the fixed post 301. A connecting silicone strip 306 is provided on the surface of the fixed post 301. Connecting holes 307 are opened on both sides of the connecting silicone strip 306. A limit hole 308 is opened on the surface of the connecting silicone strip 306. An elastic ring 309 is provided on the inner surface of the limit hole 308. An electrode chip 310 is provided inside the limit hole 308. A sensing wire 4 is connected to the upper side of the electrode chip 310. A signal processing module 5 is provided at the end of the sensing wire 4 away from the electrode chip 310.

[0023] The specific operation is as follows: When in use, the connecting silicone tape 306 is sleeved on the outer surface of the fixing post 301 through the connecting hole 307. The threaded connecting post 303 is threadedly connected to the inner surface of the threaded fixing groove 302 to fix the fixing connecting cover 304 on the fixing post 301. At the same time, the inner side of the fixing connecting cover 304 is engaged with the outer surface of the fixing post 301. The limiting ring 305 fixes and limits both sides of the connecting silicone tape 306. Different numbers of connecting silicone tapes 306 can be connected according to actual needs. Then, the electrode chip 310 is passed through the inner side of the limiting hole 308. The elastic ring 309 limits the electrode chip 310. Different numbers of electrode chips 310 can be fixed according to actual needs.

[0024] Please refer to Figure 4 A second elastic ring 6 is provided on the lower right side of the flexible silicone strip 1, and a fixing component 7 for fixing is provided on the lower side of the second elastic ring 6. The fixing component 7 includes a right fixing strip 701, a fixing hole 702 and a fixing member 703. The right fixing strip 701 is provided on the lower right side of the flexible silicone strip 1, and a fixing hole 702 is opened on the left end surface of the right fixing strip 701. A fixing member 703 is provided on the right end of the surface of the flexible silicone strip 1. The fixing component 7 also includes a left fixing strip 704 and a fixing soft ring 705. The left fixing strip 704 is provided on the lower side of the first elastic ring 2, and a fixing soft ring 705 is provided on the right end surface of the left fixing strip 704.

[0025] The specific operation is as follows: When using, put the first elastic ring 2 and the second elastic ring 6 on the left and right ears respectively to fix the flexible silicone band 1. Pass the right fixing band 701 through the fixing soft ring 705 on the surface of the left fixing band 704. After passing through, fold the right fixing band 701 to the right so that the fixing hole 702 on the surface of the right fixing band 701 is aligned with the surface of the fixing member 703. Pass the fixing member 703 through the fixing hole 702 to fix the right fixing band 701. The folding length of the right fixing band 701 can be adjusted according to actual needs. Both the flexible silicone band 1 and the connecting silicone band 306 are relatively soft elastic structures that can adapt to different head shapes.

[0026] In summary, as Figures 1 to 4 As shown, in use, this multi-point measurement EEG sensor involves first connecting the silicone band 306 through the connecting hole 307 onto the outer surface of the fixing post 301. The threaded connecting post 303 is then threaded into the inner surface of the threaded fixing groove 302, fixing the fixing cover 304 onto the fixing post 301. Simultaneously, the inner side of the fixing cover 304 engages with the outer surface of the fixing post 301. The limiting ring 305 secures and limits the two sides of the connecting silicone band 306. Different numbers of connecting silicone bands 306 can be connected according to actual needs. Then, the electrode chip 310 is passed through the inner side of the limiting hole 308, and the elastic ring 309 limits the electrode chip 310. According to actual needs, fix different numbers of electrode chips 310, put the first elastic ring 2 and the second elastic ring 6 on the left and right ears respectively, fix the flexible silicone band 1, pass the right fixing band 701 through the fixing soft ring 705 on the surface of the left fixing band 704, and then fold the right fixing band 701 to the right so that the fixing hole 702 on the surface of the right fixing band 701 is aligned with the surface of the fixing member 703. Pass the fixing member 703 through the fixing hole 702 to fix the right fixing band 701. The folding length of the right fixing band 701 can be adjusted according to actual needs. The flexible silicone band 1 and the connecting silicone band 306 are both relatively soft elastic structures that can adapt to different head shapes.

[0027] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A multi-point measurement electroencephalography sensor comprising a flexible silicone tape (1) and a detachable assembly (3), characterized in that: The flexible silicone strip (1) is an integrated structure, and a first elastic ring (2) is connected to the lower left side of the flexible silicone strip (1). The disassembly and assembly component (3) is set on both sides of the flexible silicone strip (1), and the disassembly and assembly component (3) includes a fixing post (301), a threaded fixing groove (302), a threaded connecting post (303), a fixing connecting cover (304), a limiting ring (305), a connecting silicone strip (306), a connecting hole (307), a limiting hole (308), an elastic ring (309), and an electrode chip (310). The fixing post (301) is set on both sides of the flexible silicone strip (1), and a threaded fixing groove (302) is opened on the surface of the fixing post (301). A threaded connecting post (303) is threadedly connected to the inner side of the threaded fixing groove (302), and a fixing connecting cover (304) is installed on the outer side of the threaded connecting post (303). A limiting ring (305) is provided on the outer surface of the fixing connecting cover (304).

2. The multi-point measurement electroencephalic sensor according to claim 1, wherein, The limiting ring (305) and the fixed connecting cover (304) are an integrated structure that is tightly connected, and the inner surface of the fixed connecting cover (304) is engaged with the outer surface of the fixed post (301).

3. The multi-point measurement electroencephalic sensor according to claim 1, wherein, The surface of the fixed column (301) is provided with a connecting silicone strip (306), and connecting holes (307) are opened on both sides of the connecting silicone strip (306).

4. The multi-point measurement electroencephalic sensor according to claim 1, wherein, The surface of the connecting silicone tape (306) is provided with a limiting hole (308), and an elastic ring (309) is provided on the inner surface of the limiting hole (308).

5. The EEG sensor for multi-point measurement according to claim 1, characterized in that, An electrode chip (310) is provided inside the limiting hole (308), and a sensing wire (4) is connected to the upper side of the electrode chip (310). A signal processing module (5) is provided at the end of the sensing wire (4) away from the electrode chip (310).

6. The multi-point measurement electroencephalic sensor according to claim 1, wherein, The flexible silicone strip (1) has a second elastic ring (6) on the lower right side, and a fixing component (7) for fixing is provided on the lower side of the second elastic ring (6). The fixing component (7) includes a right fixing strip (701), a fixing hole (702), and a fixing member (703).

7. A multi-point measurement electroencephalic sensor according to claim 6, wherein, The right fixing band (701) is located on the lower right side of the flexible silicone tape (1), and a fixing hole (702) is provided on the left end surface of the right fixing band (701). A fixing member (703) is provided on the right end of the surface of the flexible silicone tape (1).

8. The multi-point measurement electroencephalic sensor according to claim 6, wherein, The fixing component (7) further includes a left fixing strap (704) and a fixing soft ring (705), and the left fixing strap (704) is provided on the lower side of the first elastic ring (2), and the fixing soft ring (705) is provided on the right end surface of the left fixing strap (704).

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