Electroencephalogram signal sampling device
By combining a headband, support plate, and signal sampling module with an elastic band and angle adjuster, the problem of discomfort in wearing and adjustment of existing devices is solved, and stable EEG signal sampling is achieved.
Patent Information
- Application Number
- CN202422956755.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Existing EEG signal sampling devices typically employ a fully enclosed design, which results in discomfort when worn, cannot be adjusted to fit different head sizes, and is prone to falling off, affecting test results.
It adopts a combination design of headband, support plate, signal sampling module, elastic band, connecting block, signal sampling component and electrode module. It is fixed to the head by elastic band, and the adjustable structure of signal sampling component can adapt to different head circumferences. Combined with angle adjuster and buckle connection, it can be worn stably.
It improves the comfort and stability of wearing the garment, prevents it from falling off, and ensures the accuracy of test results.
Smart Images
Figure CN223731409U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electroencephalogram sampling technical field, concretely relates to a kind of electroencephalogram sampling device. BACKGROUND
[0002] Electroencephalogram is spontaneous and rhythmic bioelectric activity in physiological activity process of human body, according to the different frequency, it can be divided into alpha wave (8-13Hz), beta wave (14Hz above), delta wave (0.5-3Hz), theta wave (4-8Hz) four types of brain waves approximately.Electroencephalogram waveform in brain is not the same in different state of human body, and different electroencephalogram waveform can reflect different electroencephalogram activity state, emotional state, attention and physiological characteristics such as calmness, electroencephalogram is sampled by the method of placing electroencephalogram dry electrode on scalp, and the signal collected by electroencephalogram dry electrode is transmitted to electroencephalogram data processing center via wire to carry out signal amplification and filtering, and the electroencephalogram waveform formed by potential difference in physiological activity process is recorded.
[0003] The existing electroencephalogram sampling device usually adopts full wrapping type, so that the wearer is very uncomfortable when using the large area restraint for head, and it is not convenient to wear, and secondly, no adjusting structure is arranged, so it cannot be adjusted according to the size of the head of the wearer, so that it is easy to fall off in the test process, thereby affecting the test result of the equipment. UTILITY MODEL CONTENT
[0004] The utility model provides a kind of electroencephalogram sampling device to solve the problems in the above background technology.
[0005] To solve the above technical problems, the technical scheme adopted by the utility model is:
[0006] A kind of electroencephalogram sampling device, including head hoop and support plate, the bottom of the left and right ends of the head hoop is respectively fixedly connected with signal sampling module, the front and back sides of the bottom of two signal sampling modules are respectively fixedly connected with elastic band, the top of the left and right ends of the support plate is respectively fixedly connected with connecting block, the lower end of two elastic bands is fixedly connected with the top of connecting block, the outer wall of the head hoop is equidistantly arrayed with a plurality of signal sampling assemblies, the inner wall of the head hoop is equidistantly electrically connected with a plurality of electrode module two, the outer wall of left signal sampling module is fixedly connected with signal interface, the front and back sides of the outer wall of left signal sampling module close to signal interface are respectively provided with a plurality of buttons.
[0007] The further improvement of the technical scheme of the utility model is that: the upper surface of the support plate is fixedly connected with sponge pad.
[0008] The further improvement in the technical scheme of the utility model lies in that the signal sampling assembly comprises two positioning rings and a signal sampling ring, a plurality of electrode modules one are electrically connected to the inner wall of the signal sampling ring in equidistant array, the lower ends of the two positioning rings are fixedly connected with positioning blocks, the ends away from each other of the two positioning blocks are provided with angle adjusters, and the opposite faces of the two angle adjusters are penetrated into the interiors of the two positioning blocks.
[0009] The further improvement in the technical scheme of the utility model lies in that the signal sampling ring and the electrode module one are both made of silica gel material, and the inner walls of the two positioning rings are respectively arranged on the left and right sides of the outer wall of the signal sampling ring.
[0010] The further improvement in the technical scheme of the utility model lies in that the inner walls of the two positioning rings are both provided with a plurality of connecting holes penetrating in and out in equidistant array, the left and right sides of the outer wall of the signal sampling ring are respectively provided with a plurality of connecting columns, and the ends of the plurality of connecting columns away from the signal sampling ring are all fixedly connected with rubber heads.
[0011] The further improvement in the technical scheme of the utility model lies in that the outer diameter of the rubber head is larger than the inner diameter of the connecting hole, the outer wall of the rubber head is penetrated into the interior of the connecting hole through the connecting column and is clamped with the outer wall of the positioning ring.
[0012] The further improvement in the technical scheme of the utility model lies in that the angle adjuster comprises a fixed sleeve, a sleeve rod and a circular block, the outer wall of the sleeve rod is penetrated into the left and right ends of the interior of the fixed sleeve, a plurality of clamping grooves are respectively arranged in annular array on the inner walls of the left and right sides of the fixed sleeve, the upper and lower ends of the outer wall of the sleeve rod are both fixedly connected with two positioning clamping beads, and the outer walls of the two positioning clamping beads are clamped with the inner walls of the clamping grooves.
[0013] The further improvement in the technical scheme of the utility model lies in that the positioning clamping bead is made of rubber material, the outer wall of the fixed sleeve is penetrated into the left and right ends of the positioning block and is fixedly connected therebetween, the end of the sleeve rod away from the head hoop is fixedly connected with one end of the circular block, and the end of the sleeve rod away from the circular block is fixedly connected with the outer wall of the head hoop.
[0014] Thanks to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:
[0015] The utility model provides a kind of electroencephalogram sampling device, the cooperation between head hoop, backing plate, signal sampling module, elastic band, connecting block, signal sampling assembly, electrode module two, signal interface and button is adopted, elastic band is arranged between head hoop and backing plate, so that head hoop is clamped in head, and backing plate is sleeved at the chin of wearer by the elasticity of elastic band, convenient to wear, and signal interface is connected with the information connector of external computer, convenient for information reading, solve the problem that the existing electroencephalogram sampling device is usually wrapped, so that the large area restraint for head is used when wearer uses, extremely uncomfortable, not convenient to wear, reach the beneficial effect that it is convenient to wear, improve the comfort of wearer use.
[0016] The utility model provides a kind of electroencephalogram sampling device, the cooperation between head hoop, signal sampling assembly and electrode module two is adopted, multiple signal sampling assemblies are set on head hoop, and when wearing, the size of wearer's head is used to adjust the length of signal sampling assembly by buckle mode, solve the problem that no adjusting structure is set, cannot be adjusted according to the size of wearer's head, lead to easy to fall off in the testing process, thereby affect equipment test result, reach the beneficial effect that it is convenient to adjust according to the size of wearer's head, avoid easy to fall off in the testing process, guarantee the result of equipment test. ACCURACY OF DRAWINGS
[0017] Figure 1 It is the three-dimensional structure schematic diagram of the electroencephalogram sampling device of the utility model;
[0018] Figure 2 It is the three-dimensional structure wearing schematic diagram of the electroencephalogram sampling device of the utility model;
[0019] Figure 3 It is the three-dimensional structure schematic diagram of the signal sampling assembly of the utility model;
[0020] Figure 4 It is the three-dimensional structure connection schematic diagram of the positioning ring and signal sampling ring of the utility model;
[0021] Figure 5 It is the three-dimensional structure schematic diagram of the angle adjuster of the utility model.
[0022] In the drawing: 1, head hoop;2, backing plate;21, sponge pad;3, signal sampling module;4, elastic band;5, connecting block;6, signal sampling assembly;61, positioning ring;610, connecting hole;62, signal sampling ring;621, connecting column;622, rubber head;63, electrode module one;64, positioning block;65, angle adjuster;651, fixed sleeve;6510, clamping groove;652, sleeve rod;653, round block;654, positioning clamping bead;7, electrode module two;8, signal interface;9, button. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments:
[0024] As shown in Figure 1 The utility model provides a brain electric signal sampling device, including head hoop 1 and supporting plate 2, the bottom of the left and right two ends of head hoop 1 is fixedly connected with signal sampling module 3, the front and back sides of the bottom of two signal sampling modules 3 are fixedly connected with elastic band 4, the top of the left and right two ends of supporting plate 2 is fixedly connected with connecting block 5, the lower end of two elastic bands 4 is fixedly connected with the top of connecting block 5, the outer wall of head hoop 1 is provided with a plurality of signal sampling assemblies 6 at equal intervals, the inner wall of head hoop 1 is electrically connected with a plurality of electrode module two 7 at equal intervals, the outer wall of left signal sampling module 3 is fixedly connected with signal interface 8, and the front and back sides of the outer wall of left signal sampling module 3 close to signal interface 8 are provided with a plurality of buttons 9;
[0025] Head hoop 1, supporting plate 2, signal sampling module 3, elastic band 4, signal sampling assembly 6 and electrode module two 7 are arranged, head hoop 1, supporting plate 2 and elastic band 4 are arranged, the elasticity of elastic band 4 is used to make the device simple and convenient to wear, and the angle and length of signal sampling assembly 6 are adjusted, so that the head size of the wearer is adjusted, and the wearing is stable.
[0026] As shown in Figures 2-3 The utility model provides a brain electric signal sampling device technical scheme: the upper surface of supporting plate 2 is fixedly connected with sponge pad 21, signal sampling assembly 6 includes two positioning rings 61 and signal sampling ring 62, the inner wall of signal sampling ring 62 is electrically connected with a plurality of electrode module one 63 at equal intervals, the lower end of two positioning rings 61 is fixedly connected with positioning block 64, the end away from each other of two positioning blocks 64 is provided with angle regulator 65, and the opposite surface of two angle regulators 65 is penetrated to the inside of two positioning blocks 64, signal sampling ring 62 and electrode module one 63 are all set as silica gel material, and the inner wall of two positioning rings 61 is arranged at the left and right sides of the outer wall of signal sampling ring 62 respectively, by setting positioning ring 61 and signal sampling ring 62, the angle adjustment of the head brain electric signal sampling of the wearer is facilitated.
[0027] As shown in Figure 4As shown in the technical scheme of the brain electrical signal sampling device, the inner walls of the two positioning rings 61 are provided with a plurality of connecting holes 610 in equal distance array, the outer wall of the signal sampling ring 62 is provided with a plurality of connecting columns 621 on the left and right sides, the ends of the plurality of connecting columns 621 away from the signal sampling ring 62 are fixedly connected with rubber heads 622, the outer diameter of the rubber head 622 is greater than the inner diameter of the connecting hole 610, the outer wall of the rubber head 622 penetrates into the inside of the connecting hole 610 through the connecting column 621 and is clamped with the outer wall of the positioning ring 61, the rubber head 622 is clamped from the inside of the connecting hole 610 through the connecting column 621, so that the connecting length between the positioning ring 61 and the signal sampling ring 62 is adjusted, and it is convenient to be applicable to heads of different sizes.
[0028] As shown in the technical scheme of the brain electrical signal sampling device, the inner walls of the two positioning rings 61 are provided with a plurality of connecting holes 610 in equal distance array, the outer wall of the signal sampling ring 62 is provided with a plurality of connecting columns 621 on the left and right sides, the ends of the plurality of connecting columns 621 away from the signal sampling ring 62 are fixedly connected with rubber heads 622, the outer diameter of the rubber head 622 is greater than the inner diameter of the connecting hole 610, the outer wall of the rubber head 622 penetrates into the inside of the connecting hole 610 through the connecting column 621 and is clamped with the outer wall of the positioning ring 61, the rubber head 622 is clamped from the inside of the connecting hole 610 through the connecting column 621, so that the connecting length between the positioning ring 61 and the signal sampling ring 62 is adjusted, and it is convenient to be applicable to heads of different sizes. Figure 5 As shown in the technical scheme of the brain electrical signal sampling device, the angle adjuster 65 comprises a fixed sleeve 651, a sleeve rod 652 and a circular block 653, the outer wall of the sleeve rod 652 penetrates the left and right ends inside the fixed sleeve 651, the inner wall of the fixed sleeve 651 is provided with a plurality of clamping grooves 6510 in annular array on the left and right sides, the upper and lower ends of the outer wall of the sleeve rod 652 are fixedly connected with two positioning clamping beads 654, the outer walls of the upper and lower two positioning clamping beads 654 are clamped with the inner walls of the clamping grooves 6510, when the positioning block 64 drives the positioning ring 61 to rotate, the fixed sleeve 651 is driven to rotate along the sleeve rod 652, the positioning clamping beads 654 on the sleeve rod 652 are clamped in the clamping grooves 6510, so that the positioning ring 61 and the signal sampling ring 62 are positioned, the positioning clamping beads 654 are made of rubber material, the outer wall of the fixed sleeve 651 penetrates the left and right ends of the positioning block 64 and is fixedly connected therebetween, one end of the sleeve rod 652 away from the head hoop 1 is fixedly connected with one end of the circular block 653, and the other end of the sleeve rod 652 away from the circular block 653 is fixedly connected with the outer wall of the head hoop 1.
[0029] The working principle of the brain electrical signal sampling device will be described in detail below.
[0030] As shown in the technical scheme of the brain electrical signal sampling device, the inner walls of the two positioning rings 61 are provided with a plurality of connecting holes 610 in equal distance array, the outer wall of the signal sampling ring 62 is provided with a plurality of connecting columns 621 on the left and right sides, the ends of the plurality of connecting columns 621 away from the signal sampling ring 62 are fixedly connected with rubber heads 622, the outer diameter of the rubber head 622 is greater than the inner diameter of the connecting hole 610, the outer wall of the rubber head 622 penetrates into the inside of the connecting hole 610 through the connecting column 621 and is clamped with the outer wall of the positioning ring 61, the rubber head 622 is clamped from the inside of the connecting hole 610 through the connecting column 621, so that the connecting length between the positioning ring 61 and the signal sampling ring 62 is adjusted, and it is convenient to be applicable to heads of different sizes. Figures 1-5As shown, in use of the brain electrical signal sampling device, first, the headband 1 is clamped on the head of the wearer, the two elastic bands 4 are passed through the ears of the wearer, and the elastic bands 4 are used to fix the support plate 2 on the chin of the wearer through the sponge pad 21, so that the electrode module two 7 on the inner wall of the headband 1 is in contact with the top of the head of the wearer, thereby preliminarily wearing the device, then according to the head circumference of the wearer, the signal sampling ring 62 is driven to rotate by the positioning block 64, so that the signal sampling assembly 6 on the headband 1 is separated from the outside of the headband 1 and adjusted to other positions of the head, the positioning block 64 is adjusted in angle by rotating along the outside of the sleeve rod 652 through the fixed sleeve 651, after rotating to the appropriate angle, the positioning clamping bead 654 on the sleeve rod 652 is buckled into the inside of the corresponding clamping groove 6510 for buckling positioning, the rubber head 622 on the signal sampling ring 62 is adjusted to the adaptive connecting hole 610, then the rubber head 622 is extruded to pass through the corresponding connecting hole 610 from the connecting column 621, so that the two sides of the signal sampling ring 62 are positioned on the inner wall of the positioning ring 61, the length of the signal sampling assembly 6 is adjusted, so that the signal sampling ring 62 is fixedly attached to the brain of the wearer, the stability of wearing is improved, the wearing of the device is completed, then the information connecting head of the external computer is inserted into the signal interface 8, and the push button 9 is operated, the brain electrical signal of different positions of the brain of the patient is sampled through the electrode module two 7 and the electrode module one 63.
[0031] The above is a detailed description of the general utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.
Claims
1. An electroencephalogram sampling device comprising a headband (1) and a support plate (2), characterized in that: The bottom of the headband (1) is fixedly connected with a signal sampling module (3), the bottom of the signal sampling module (3) is fixedly connected with a elastic band (4), the top of the headband (1) is fixedly connected with a connecting block (5), the lower end of the elastic band (4) is fixedly connected with the top of the connecting block (5), the outer wall of the headband (1) is equidistantly arranged with a plurality of signal sampling assemblies (6), the inner wall of the headband (1) is equidistantly electrically connected with a plurality of electrode modules (7), the outer wall of the signal sampling module (3) is fixedly connected with a signal interface (8), and the outer wall of the signal sampling module (3) is provided with a plurality of buttons (9) near the signal interface (8).
2. The electroencephalogram signal sampling device of claim 1, wherein: The upper surface of the supporting plate (2) is fixedly connected with a sponge pad (21).
3. The electroencephalogram signal sampling device of claim 1, wherein: The signal sampling assembly (6) comprises two positioning rings (61) and a signal sampling ring (62), the inner wall of the signal sampling ring (62) is equidistantly electrically connected with a plurality of electrode modules (63), the lower end of each of the two positioning rings (61) is fixedly connected with a positioning block (64), the distal end of each of the two positioning blocks (64) is provided with an angle adjuster (65), and the opposite surfaces of the two angle adjusters (65) are both penetrated into the interiors of the two positioning blocks (64).
4. The electroencephalogram sampling device of claim 3, wherein: The signal sampling ring (62) and the electrode module (63) are both made of silica gel, and the inner walls of the two positioning rings (61) are respectively arranged on the left and right sides of the outer wall of the signal sampling ring (62).
5. The electroencephalogram signal sampling device of claim 4, wherein: The inner walls of the two positioning rings (61) are both equidistantly provided with a plurality of connection holes (610) penetrating from the inside to the outside, the left and right sides of the outer wall of the signal sampling ring (62) are both provided with a plurality of connecting columns (621), and the distal ends of the connecting columns (621) are all fixedly connected with rubber heads (622).
6. The electroencephalogram sampling device of claim 5, wherein: The outer diameter of the rubber head (622) is larger than the inner diameter of the connection hole (610), the outer wall of the rubber head (622) is penetrated into the interior of the connection hole (610) through the connecting column (621) and is clamped with the outer wall of the positioning ring (61).
7. The electroencephalogram sampling device of claim 3, wherein: The angle adjuster (65) comprises a fixed sleeve (651), a sleeve rod (652) and a circular block (653), the outer wall of the sleeve rod (652) is penetrated into the left and right ends in the interior of the fixed sleeve (651), the inner wall of the fixed sleeve (651) is annularly and arrayed with a plurality of clamping grooves (6510) on the left and right sides, the upper and lower ends of the outer wall of the sleeve rod (652) are both fixedly connected with two positioning clamping beads (654), and the outer walls of the two positioning clamping beads (654) are both clamped with the inner walls of the clamping grooves (6510).
8. The electroencephalogram sampling device of claim 7, wherein: The positioning clamping bead (654) is made of rubber, the outer wall of the fixing sleeve (651) penetrates through the left and right ends of the positioning block (64) and is fixedly connected therebetween, one end of the sleeve rod (652) away from the head hoop (1) is fixedly connected with one end of the circular block (653), and the other end of the sleeve rod (652) away from the circular block (653) is fixedly connected with the outer wall of the head hoop (1).