Electroencephalogram signal acquisition device

Abstract

The utility model discloses an electroencephalogram signal collecting device, which relates to the technical field of electroencephalogram signals and comprises an arc-shaped wearing plate, an electroencephalogram signal collecting component and a tightening component, a sliding groove is formed in the arc-shaped wearing plate, and then the position of the electroencephalogram signal collecting component is adjusted. Electroencephalogram signals at different positions of the brain of a user can be conveniently collected, an inserting rod slides on a sliding block to drive a connecting plate and an electroencephalogram signal collecting electrode to move, a first spring is stretched, and under the action of the first spring, the electroencephalogram signal collecting electrode is driven to move towards the head of the user; therefore, the electroencephalogram signal acquisition electrode is in close contact with the head of the user, the electroencephalogram signal acquisition quality is improved, and the problem that electrodes of brain-computer equipment are not in close contact with the skin of wearers due to different head shapes of different wearers when electroencephalogram signals of the wearers are acquired in a traditional technology mode is solved. And the quality of the acquired electroencephalogram signals is not high.

Description

Technical Field

[0001] The utility model relates to the technical field of electroencephalogram signals, in particular to an electroencephalogram signal acquisition device. Background Art

[0002] With the development of medicine, the research on EEG signals plays a key role in many fields. EEG signals are physiological electrical signals of the human brain, which are highly random and contain multiple rhythms and a large amount of information about the human body. Since EEG signals play an important role in various fields, it is necessary to collect EEG signals.

[0003] However, when collecting the wearer's EEG signals using traditional technology, due to the different head shapes of different wearers, the electrodes of the brain-computer device are not in close contact with the wearer's skin, resulting in low quality of the collected EEG signals. For this reason, we propose an EEG signal collection device. Utility Model Content

[0004] The purpose of the utility model is to solve the problems raised by the above-mentioned background technology, and provide an electroencephalogram signal acquisition device.

[0005] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0006] A brain wave signal acquisition device comprises an arc-shaped wearing plate, a brain wave signal acquisition component and a tightening component. The arc-shaped wearing plate is provided with a sliding groove. The brain wave signal acquisition component is provided with multiple groups and all are slidably connected to the inner side of the sliding groove. The brain wave signal acquisition component comprises a slider, which is slidably connected to the inner side of the sliding groove. A plug rod is slidably connected to the slider, one end of the plug rod is connected to a connecting plate, and the other end of the plug rod is connected to a brain wave signal acquisition electrode. A first spring is also sleeved on the plug rod, one end of the first spring is connected to the slider, and the other end of the first spring is connected to the connecting plate. Both ends of the tightening component are rotatably connected to both ends of the arc-shaped wearing plate respectively.

[0007] Furthermore, the EEG signal acquisition component also includes a limit rod, two of which are provided, and arc-shaped grooves are provided on the top and bottom of the inner side of the sliding groove, and sliding blocks are slidably connected to the inner sides of the two arc-shaped grooves, and the two limit rods are connected to the connecting plate, and slots are provided on the two sliding blocks, and the end of the limit rod away from the connecting plate passes through the arc-shaped wearing plate and is plugged into the inner side of the slot.

[0008] Furthermore, the arc-shaped wearing plate is provided with a plurality of evenly distributed through holes, and the limiting rod is slidably connected to the inner side of the through holes.

[0009] Furthermore, the tightening assembly includes a first belt body, a second belt body, and a limiting mechanism. The separated ends of the first belt body and the second belt body are respectively rotatably connected to the two ends of the arc-shaped wearing plate, and the limiting mechanism is arranged between the first belt body and the second belt body.

[0010] Furthermore, the limiting mechanism includes a connecting rod, which is connected to the first belt body, and the second belt body is provided with a plurality of evenly distributed through grooves, the inner side of the through groove is slidably connected to a limiting plate, and the limiting plate is rotatably connected to the connecting rod. A second spring is sleeved on the connecting rod, and one end of the second spring away from the limiting plate is connected to the first belt body, and the other end of the second spring is in contact with the second belt body.

[0011] Furthermore, the limiting mechanism also includes a plurality of limiting grooves, and the plurality of limiting grooves are respectively opened at the top and the bottom of the plurality of through grooves, and the limiting plates are clamped with the inner sides of the limiting grooves.

[0012] The beneficial effects of the utility model are as follows:

[0013] The utility model binds the arc-shaped wearing plate to the user's head by tightening the component, collects EEG signals from the user's brain through the EEG signal collection component, and adjusts the position of the EEG signal collection component by sliding the slider on the inner side of the sliding groove, so as to facilitate the collection of EEG signals at different positions of the user's brain. The plug rod slides on the slider to drive the connecting plate and the EEG signal collection electrode to move, and then stretch the first spring. Under the action of the first spring, the EEG signal collection electrode is driven to move toward the user's head, so that the EEG signal collection electrode is in close contact with the user's head, thereby improving the quality of EEG signal collection, thereby solving the problem of traditional technology that when collecting the wearer's EEG signal, due to the different head shapes of different wearers, the electrode of the brain-computer device is not in close contact with the wearer's skin, resulting in low quality of collected EEG signals. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front perspective view of the utility model;

[0015] Figure 2 It is a rear perspective view of the utility model;

[0016] Figure 3 It is a top view of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the utility model;

[0018] Figure numerals: 1, arc-shaped wearing plate; 2, connecting plate; 3, plug rod; 4, first spring; 5, limit rod; 6, slider; 7, first belt body; 8, EEG signal acquisition electrode; 9, arc-shaped groove; 10, slot; 11, second belt body; 12, limit plate; 13, through groove; 14, limit groove; 15, connecting rod; 16, second spring; 17, through hole; 18, sliding block. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0020] like Figure 1-Figure 4 As shown, a brain wave signal acquisition device comprises an arc-shaped wearing plate 1, a brain wave signal acquisition component, and a fastening component. The arc-shaped wearing plate 1 is provided with a sliding groove, and the brain wave signal acquisition component is provided with multiple groups and all are slidably connected to the inner side of the sliding groove. The brain wave signal acquisition component comprises a slider 6, and the slider 6 is slidably connected to the inner side of the sliding groove. A plug rod 3 is slidably connected to the slider 6, and one end of the plug rod 3 is connected to a connecting plate 2, and the other end of the plug rod 3 is connected to a brain wave signal acquisition electrode 8. The plug rod 3 is also sleeved with a first spring 4, and one end of the first spring 4 is connected to the slider 6, and the other end of the first spring 4 is connected to the connecting plate 2. The two ends of the fastening component are rotatably connected to the two ends of the arc-shaped wearing plate 1 respectively. In some embodiments, the arc-shaped wearing plate 1 is bound to the user's head by the fastening component, and the brain wave signal acquisition electrode 8 is connected to the user's head by the fastening component. The signal collection component is used to collect EEG signals from the user's brain. The slider 6 slides on the inner side of the sliding groove to adjust the position of the EEG signal collection component, which is convenient for collecting EEG signals at different positions of the user's brain. The plug 3 slides on the slider 6 to drive the connecting plate 2 and the EEG signal collection electrode 8 to move, and then the first spring 4 is stretched. Under the action of the first spring 4, the EEG signal collection electrode 8 is driven to move toward the user's head, so that the EEG signal collection electrode 8 is in close contact with the user's head, thereby improving the quality of EEG signal collection. In this way, the traditional technology solves the problem that when collecting the wearer's EEG signal, due to the different head shapes of different wearers, the electrodes of the brain-computer device are not in close contact with the wearer's skin, resulting in low quality of the collected EEG signals.

[0021] like Figure 1-Figure 4As shown, in some embodiments, the EEG signal acquisition component also includes a limit rod 5, and two limit rods 5 are provided. The top and bottom of the inner side of the sliding groove are both provided with arc grooves 9, and the inner sides of the two arc grooves 9 are both slidably connected with sliding blocks 18. The two limit rods 5 are both connected to the connecting plate 2, and the two sliding blocks 18 are both provided with slots 10. The limit rod 5 passes through the arc wearing plate 1 away from the connecting plate 2 at one end and is plugged into the inner side of the slot 10. The connecting plate 2 is pulled, and the first spring 4 is stretched, thereby driving the limit rod 5 to move, thereby separating the limit rod 5 from the inner side of the slot 10, thereby making the sliding block 18 slide on the inner side of the arc groove 9, thereby driving the sliding block 6 to slide on the inner side of the sliding groove, and relaxing the connecting plate 2. Under the action of the first spring 4, the limit rod 5 is plugged into the inner side of the slot 10, thereby limiting the sliding block 18, and thereby adjusting the position of the sliding block 6 on the inner side of the sliding groove.

[0022] like Figure 1 , Figure 2 , Figure 4 As shown, in some embodiments, a plurality of evenly distributed through holes 17 are provided on the arc-shaped wearing plate 1, and the limiting rod 5 is slidably connected to the inner side of the through hole 17, and the limiting rod 5 is slidably connected to the arc-shaped wearing plate 1 through the through hole 17.

[0023] like Figure 1-Figure 4 As shown, in some embodiments, the tightening assembly includes a first belt body 7, a second belt body 11, and a limiting mechanism. The separated ends of the first belt body 7 and the second belt body 11 are respectively rotatably connected to the two ends of the arc-shaped wearing plate 1, and the limiting mechanism is arranged between the first belt body 7 and the second belt body 11. By tying the first belt body 7 and the second belt body 11 to the user's head, the first belt body 7 and the second belt body 11 are limited under the action of the limiting mechanism, so that the first belt body 7 and the second belt body 11 are fixedly connected, and the arc-shaped wearing plate 1 is worn on the user's head.

[0024] like Figure 1-Figure 4As shown, in some embodiments, the limiting mechanism includes a connecting rod 15, the connecting rod 15 is connected to the first belt body 7, a plurality of evenly distributed through grooves 13 are provided on the second belt body 11, the inner side of the through groove 13 is slidably connected to the limiting plate 12, the limiting plate 12 is rotatably connected to the connecting rod 15, a second spring 16 is sleeved on the connecting rod 15, one end of the second spring 16 away from the limiting plate 12 is connected to the first belt body 7, the other end of the second spring 16 contacts the second belt body 11, presses the second belt body 11 toward the side of the first belt body 7, and then compresses the second spring 16. Rotate the limiting plate 12 so that the limiting plate 12 slides out from the inner side of the through slot 13, and then the first belt body 7 and the second belt body 11 can be disassembled. When the device needs to be worn, the limiting plate 12 is inserted from the inner side of the through slot 13, and then the limiting plate 12 is rotated to make it vertical. Under the action of the second spring 16, the second belt body 11 and the limiting plate 12 are pressed tightly, so that the first belt body 7 and the second belt body 11 are fixedly connected, so that it is convenient to tie the arc-shaped wearing plate 1 to the user's head, and it can be adjusted according to the size of the user's head, so that the device can be tied to the head of different users.

[0025] like Figure 2 As shown, in some embodiments, the limiting mechanism also includes a plurality of limiting grooves 14, and the plurality of limiting grooves 14 are respectively opened at the top and bottom of the plurality of through grooves 13, and the limiting plate 12 is clamped with the inner side of the limiting groove 14. The limiting plate 12 is rotated to make it vertical, so that the limiting plate 12 is clamped with the inner side of the limiting groove 14. Under the action of the limiting groove 14, the limiting plate 12 is limited to prevent the connecting rod 15 from sliding on the inner side of the through groove 13.

[0026] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electroencephalogram signal acquisition device, comprising an arc-shaped wearable plate (1), an electroencephalogram signal acquisition component, and a fastening component, characterized in that: The arc-shaped wearing plate (1) is provided with a sliding groove, and the electroencephalogram signal acquisition component is provided with multiple groups and all of them are slidably connected to the inner side of the sliding groove. The electroencephalogram signal acquisition component comprises a slider (6), and the slider (6) is slidably connected to the inner side of the sliding groove. The slider (6) is slidably connected to a plug rod (3), one end of the plug rod (3) is connected to a connecting plate (2), and the other end of the plug rod (3) is connected to an electroencephalogram signal acquisition electrode (8). The plug rod (3) is also sleeved with a first spring (4), one end of the first spring (4) is connected to the slider (6), and the other end of the first spring (4) is connected to the connecting plate (2). The two ends of the tightening component are respectively rotatably connected to the two ends of the arc-shaped wearing plate (1).

2. The electroencephalogram signal acquisition device according to claim 1, characterized in that: The electroencephalogram signal acquisition component also includes a limit rod (5), two limit rods (5) are provided, the inner top and inner bottom of the sliding groove are both provided with arc grooves (9), the inner sides of the two arc grooves (9) are both slidably connected with sliding blocks (18), the two limit rods (5) are both connected to the connecting plate (2), the two sliding blocks (18) are both provided with slots (10), and the end of the limit rod (5) away from the connecting plate (2) passes through the arc wearing plate (1) and is plugged into the inner side of the slot (10).

3. The electroencephalogram signal acquisition device according to claim 2, characterized in that: The arc-shaped wearing plate (1) is also provided with a plurality of evenly distributed through holes (17), and the limiting rod (5) is slidably connected to the inner side of the through hole (17).

4. The electroencephalogram signal acquisition device according to claim 1, characterized in that: The tightening assembly comprises a first belt body (7), a second belt body (11), and a limiting mechanism. The separated ends of the first belt body (7) and the second belt body (11) are rotatably connected to the two ends of the arc-shaped wearing plate (1), respectively, and the limiting mechanism is arranged between the first belt body (7) and the second belt body (11).

5. The electroencephalogram signal acquisition device according to claim 4, characterized in that: The limiting mechanism comprises a connecting rod (15), wherein the connecting rod (15) is connected to the first belt body (7), and the second belt body (11) is provided with a plurality of evenly distributed through grooves (13), the inner side of the through groove (13) is slidably connected to a limiting plate (12), and the limiting plate (12) is rotatably connected to the connecting rod (15), and a second spring (16) is sleeved on the connecting rod (15), and one end of the second spring (16) away from the limiting plate (12) is connected to the first belt body (7), and the other end of the second spring (16) is in contact with the second belt body (11).

6. The electroencephalogram signal acquisition device according to claim 5, characterized in that: The limiting mechanism further comprises a plurality of limiting grooves (14), wherein the plurality of limiting grooves (14) are respectively arranged at the top and bottom of the plurality of through grooves (13), and the limiting plate (12) is clamped with the inner side of the limiting grooves (14).

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