CN112656432A - Electrode fixing device for brain wave collection - Google Patents
Electrode fixing device for brain wave collection Download PDFInfo
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- CN112656432A CN112656432A CN202011527521.4A CN202011527521A CN112656432A CN 112656432 A CN112656432 A CN 112656432A CN 202011527521 A CN202011527521 A CN 202011527521A CN 112656432 A CN112656432 A CN 112656432A
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Abstract
The invention relates to an electrode fixing device for brain wave collection, which relates to the technical field of brain wave collection equipment.A fixing cover is arranged in a hemispherical shape, a first hinge seat is fixedly arranged on the peripheral wall of a regulating plate at an equal round angle, a plurality of second hinge seats are fixedly arranged on the upper side of the peripheral wall of a regulating block at an equal round angle, a third hinge seat is fixedly arranged on the outer side wall of the regulating block right below the second hinge seats, and a plurality of expansion plates are arranged on the regulating block at an equal round angle; a first connecting rod is hinged between the fourth hinging seat and the second hinging seat, the middle part of the first connecting rod is rotatably provided with a second connecting rod through a rotating shaft, the upper end of the second connecting rod is hinged with the first hinging seat, and a third connecting rod is hinged between the fifth hinging seat and the third hinging seat; electrode plate installation mechanism is fixedly arranged on the inner side wall of the expansion plate, the electrode plate is attached to the head of an inspector through the electrode plate installation mechanism, and the electrode plate is attached to the checked brain, so that brain waves can be collected more conveniently, and an adhesive tape is not required to be used for fixing.
Description
Technical Field
The invention relates to the technical field of brain wave acquisition equipment, in particular to an electrode fixing device for brain wave acquisition.
Background
In the medical field, electroencephalogram examination is sometimes needed to be performed on a patient, the nervous system of the patient can be examined through the electroencephalogram examination so as to more thoroughly know the condition of the body of the patient, and during the electroencephalogram examination, brain waves need to be collected, so that electrode plates need to be fixed on the head of the patient so as to ensure accurate collection of the brain waves; however, in general, the electrode fixing device for collecting brain waves is developed to solve the above problems because the electrode fixing device is wound and fixed by using an adhesive tape, which causes great difficulty in touch feeling of a patient, may cause allergy, and may cause potential hazard to the body of the patient.
Disclosure of Invention
The invention aims to provide an electrode fixing device for collecting brain waves, which is simple in structure, reasonable in design and convenient to use, aims to overcome the defects and shortcomings of the prior art, and is used for sticking an electrode plate to the head of an inspector through an electrode plate mounting mechanism, enabling the electrode plate to be attached to the inspected brain, facilitating the collection of the brain waves and avoiding the need of using an adhesive tape for fixing.
In order to achieve the purpose, the invention adopts the technical scheme that: it comprises a fixed cover, a supporting rod and a mounting seat; a support rod is arranged on the right side of the fixed cover, the support rod is formed by sleeving a first support rod and a second support rod, and the lower end of the first support rod is inserted into the upper end of the second support rod and is fixedly connected with the first support rod through a bolt; the lower end of the second support rod is fixedly connected with a mounting seat; the electrode plate mounting mechanism comprises a first motor, a second motor, a first screw, a second screw, a regulating plate, a regulating block, a first connecting rod, a second connecting rod, a first hinging seat, a second hinging seat, a third connecting rod and an electrode plate mounting mechanism; the fixed cover is hemispherical, a partition plate is fixedly arranged at the inner top of the fixed cover, and a first motor is fixedly arranged on the top surface of the partition plate through a motor support; a plurality of first screws are rotatably arranged on the bottom surface of the partition plate through equal round angles of a bearing, and the upper end of one first screw penetrates through the partition plate through the bearing in a rotating manner and is fixedly connected with the output end of the first motor; the upper ends of the first screw rods are fixedly sleeved with first synchronous wheels, and the first synchronous wheels are in transmission connection through first synchronous belts; the lower end of the first screw rod is provided with an internal threaded pipe through a threaded rotating sleeve, and the lower ends of the internal threaded pipes are fixedly arranged on the top surface of the adjusting plate; the bottom surface of the adjusting plate is vertically and rotatably provided with a plurality of second screw rods through equal round angles of a bearing, the top surface of the adjusting plate is fixedly provided with a second motor through a motor bracket, and the upper end of one of the second screw rods is fixedly connected with the output end of the second motor after rotating to pass through the adjusting plate through the bearing; the upper ends of the second screw rods are fixedly sleeved with second synchronous wheels, and the second synchronous wheels are in transmission connection through second synchronous belts; the first motor and the second motor are both connected with an external power supply; the lower side of the second screw rod is provided with an adjusting block, the top surface of the adjusting block is provided with a plurality of internal thread holes in a round angle shape, and the lower ends of the second screw rods are respectively inserted into the internal thread holes in corresponding positions through thread rotation; the first hinge seat is fixedly arranged on the peripheral wall of the adjusting plate in a round-cornered manner, a plurality of second hinge seats are fixedly arranged on the upper side of the peripheral wall of the adjusting block in a round-cornered manner, a third hinge seat is fixedly arranged on the outer side wall of the adjusting block below the second hinge seats, a plurality of telescopic plates are arranged on the peripheral wall of the adjusting block in a round-cornered manner, and a fourth hinge seat and a fifth hinge seat are sequentially arranged on the inner side wall of each telescopic plate from top to bottom; a first connecting rod is hinged between the fourth hinging seat and the second hinging seat, the middle part of the first connecting rod is rotatably provided with a second connecting rod through a rotating shaft, the upper end of the second connecting rod is hinged with the first hinging seat, and a third connecting rod is hinged between the fifth hinging seat and the third hinging seat;
an electrode plate mounting mechanism is fixedly arranged on the inner side wall of the expansion plate; the electrode plate mounting mechanism comprises an electrode mounting plate, an adjusting rod, a sleeve, a first spring, a limiting plate, a sliding block and a sliding rail; a slide rail is fixedly arranged on the inner side wall of the telescopic plate, a slide block is arranged on each slide rail in a sliding manner, a fixed plate is fixedly arranged on the side wall of each slide block, a sleeve is vertically and fixedly arranged on the side wall of each fixed plate, an adjusting rod is movably inserted into the opening end of the end part of each sleeve, a limiting plate is fixedly arranged on the inner end of each adjusting rod, a first spring is arranged on the limiting plate and the inner side wall of each sleeve, one end of each first spring is fixedly connected with the side wall of each limiting plate, and the other end of each first spring; the outer side of the adjusting rod is movably connected with an electrode mounting plate through a spherical joint.
Furthermore, a square rod is movably arranged on the fixing plate at the lower side of the sleeve in a penetrating manner, one end of the square rod is fixedly connected with a handheld block, the other end of the square rod is fixedly connected with a clamping block, a rack is fixedly arranged on the side wall of the slide rail, and the clamping block is meshed with the rack and clamped; a second spring is movably sleeved on the square rod between the clamping block and the fixing plate, one end of the second spring is fixedly connected with the fixing plate, and the other end of the second spring is fixedly connected with the clamping block; through the meshing of fixture block and rack, fix the position of fixed plate, when the position of fixed plate needs to be adjusted, the handheld piece of pulling drives fixture block and rack separation, then adjusts the position of fixed plate.
Furthermore, a guide rail is fixedly arranged on the outer side wall of the lower side of the fixed cover, a guide block is fixedly arranged on the upper end of the first support rod, and the guide block is arranged on the guide rail in a sliding manner; the guide block slides on the guide rail, changes the position of the fixed cover at the upper end of the support rod, and adjusts the positions of the fixed cover and the electrode mounting plate inside the fixed cover.
Furthermore, the electrode mounting plate is arranged in an arc structure and is an elastic steel plate; the electrode mounting plate adopts arc and elastic construction to increase the laminating degree with the head.
Furthermore, an arc-shaped groove is formed in the bottom surface of the adjusting block, and a sponge cushion layer is fixedly arranged on the inner side wall of the arc-shaped groove through a magic tape; the inside at fixed cover is put with the head to the inspector, and the inside of shelving the groove is placed at the top of the head, and the comfort level of inspector head has been increased to the sponge bed course, simultaneously, has increased the regulating block and has placed the stability at inspector head.
The working principle of the invention is as follows: the electrode plate is fixed on a rack of external brain wave acquisition equipment through a mounting seat, then the electrode plate is pasted on an electrode mounting plate through pressure sensitive adhesive, an inspector stretches the head inside a fixed cover, then a motor is started, the output end of the motor drives a plurality of screws to rotate through the transmission action of a synchronous wheel and a synchronous belt, and the lower end of the screw is screwed with an internal thread pipe through threads, so that the internal thread pipe drives an adjusting plate to descend, and the bottom surface of an adjusting block is always contacted with the top of the inspected head; open No. two motors, No. two motors's output drives No. two screw rods through No. two synchronizing wheels and No. two hold-in ranges and rotates, make the regulating block finely tune from top to bottom, the regulating block downstream, the obtuse angle increase that forms between a connecting rod and No. two connecting rods, the angle between the lateral wall of No. three connecting rods and regulating block reduces, the expansion plate is close to the regulating block, the electrode mounting panel is close to inspector's head, electrode slice and inspector's head laminating on the electrode mounting panel mutually, then adjust the position of slider on the slide rail, and then adjust the position of electrode slice at the head, the angle of globular joint to the electrode mounting panel is adjusted, the flexible elasticity of a spring, make electrode slice and head laminate more, then the electrode slice carries out the brain wave collection to inspector's brain.
After adopting the structure, the invention has the beneficial effects that:
1. the first motor drives the first screw rod to rotate, so that the heights of the adjusting plate and the adjusting block are adjusted, the head of inspectors with different sizes can be conveniently adapted, and the application range of the device is enlarged;
2. the second motor drives the second screw rod to rotate, and the expansion or contraction of the telescopic plate is adjusted through the transmission action of the first connecting rod, the second connecting rod and the third connecting rod, so that the fitting degree of the electrode plate and the head of an inspector is conveniently adjusted;
3. the angle of spherical joint to the electrode mounting panel is adjusted, and the flexible elasticity of a spring for electrode slice and head are laminated more, make things convenient for the collection of brain wave more, simultaneously, need not to fix electrode slice and inspector's head with the sticky tape.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 1.
Fig. 4 is a schematic view of the internal structure of the present invention.
Fig. 5 is a schematic structural diagram of the first connecting rod of the present invention.
Description of reference numerals:
the device comprises a fixed cover 1, a support rod 2, a first support rod 2-1, a second support rod 2-2, a mounting seat 3, a partition plate 4, a first motor 5, a first screw 6, a sponge cushion 7, a first synchronous wheel 8, a first synchronous belt 9, an internal threaded pipe 10, an adjusting plate 11, a second screw 12, a second motor 13, a second synchronous wheel 14, a second synchronous belt 15, an adjusting block 16, an internal threaded hole 17, a first hinged seat 18, a second hinged seat 19, a third hinged seat 20, a telescopic plate 21, a fourth hinged seat 22, a fifth hinged seat 23, a first connecting rod 24, a second connecting rod 25, a third connecting rod 26, an electrode plate mounting mechanism 27, a slide rail 27-1, a slide block 27-2, a fixed plate 27-3, a sleeve 27-4, an adjusting rod 27-5, a limiting plate 27-6, a first spring 27-7, a spherical joint 27-8, a mounting mechanism 27-1, a sliding block 27, The electrode mounting plate 27-9, the square rod 28, the hand-held block 29, the fixture block 30, the rack 31, the second spring 32, the guide rail 33, the guide block 34 and the arc-shaped groove 35.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, the technical solution adopted by the present embodiment is: it comprises a fixed cover 1, a support rod 2 and a mounting seat 3; the right side of the fixed cover 1 is provided with a support rod 2, the support rod 2 is formed by sleeving a first support rod 2-1 and a second support rod 2-2, the lower end of the first support rod 2-1 is inserted at the upper end of the second support rod 2-2 and is fixedly connected with the first support rod 2-1 through a bolt, and the support rod 2 can be adjusted in height and is convenient to adapt to people with different heights; the lower end of the second support rod 2-2 is fixedly welded with a mounting seat 3; a guide rail 33 is fixedly welded on the outer side wall of the lower side of the fixed cover 1, the guide rail 33 is arranged in a ring shape, a guide block 34 is fixedly arranged on the upper end of the first support rod 2-1, and the guide block 34 is arranged on the guide rail 33 in a sliding manner; the guide block 34 slides on the guide rail 33, changes the position of the fixed cover 1 at the upper end of the support rod 2, and adjusts the positions of the fixed cover 1 and the electrode mounting plates 27-9 in the fixed cover 1; the electrode plate mounting mechanism further comprises a first motor 5, a second motor 13, a first screw 6, a second screw 12, an adjusting plate 11, an adjusting block 16, a first connecting rod 24, a second connecting rod 25, a first hinging seat 18, a second hinging seat 19, a third hinging seat 20, a third connecting rod 26 and an electrode plate mounting mechanism; the fixed cover 1 is hemispherical, a partition plate 4 is fixedly welded at the inner top of the fixed cover 1, and a first-grade motor 5 with the model number of 60KTYZ is fixedly arranged on the top surface of the partition plate 4 through a motor bracket and a bolt; the bottom surface of the partition plate 4 is rotatably provided with three first screw rods 6 through equal round angles of a bearing, and the upper end of one first screw rod 6 is fixedly connected with the output end of the first motor 5 after rotating to penetrate through the partition plate 4 through the bearing; the upper ends of the three first screw rods 6 are fixedly welded and sleeved with first synchronizing wheels 8, and the first synchronizing wheels 8 are in transmission connection through first synchronizing belts 9; the lower end of the first screw 6 is rotatably sleeved with an internal threaded pipe 10 through threads, and the lower ends of the internal threaded pipes 10 are fixedly welded on the top surface of an adjusting plate 11; the bottom surface of the adjusting plate 11 is vertically and rotatably provided with three second screws 12 through round corners such as bearings, the top surface of the adjusting plate 11 is fixedly provided with a second motor 13 with the model number of 60KTYZ through a motor bracket and bolts, and the upper end of one second screw 12 is fixedly connected with the output end of the second motor 13 through a coupler after rotating to penetrate through the adjusting plate 11 through the bearings; the upper ends of the second screw rods 12 are fixedly welded and sleeved with second synchronizing wheels 14, and the three second synchronizing wheels 14 are in transmission connection through second synchronizing belts 15; the first motor 5 and the second motor 13 are both connected with an external power supply; an adjusting block 16 is arranged on the lower side of the second screw 12, three internal thread holes 17 are formed in the top surface of the adjusting block 16 at equal round angles, and the lower ends of the three second screws 12 are rotatably inserted into the internal thread holes 17 at corresponding positions through threads; a first hinge seat 18 is fixedly welded on the peripheral wall of the adjusting plate 11 at equal round angles, three second hinge seats 19 are fixedly welded on the upper side of the peripheral wall of the adjusting block 16 at equal round angles, a third hinge seat 20 is fixedly welded on the outer side wall of the adjusting block 16 right below the three second hinge seats 19, three expansion plates 21 are arranged on the peripheral wall of the adjusting block 16 at equal round angles, and a fourth hinge seat 22 and a fifth hinge seat 23 are sequentially arranged on the inner side wall of the expansion plates 21 from top to bottom; a first connecting rod 24 is hinged between the fourth hinge seat 22 and the second hinge seat 19, a second connecting rod 25 is rotatably arranged in the middle of the first connecting rod 24 through a rotating shaft, the upper end of the second connecting rod 25 is hinged with the first hinge seat 18, and a third connecting rod 26 is hinged between the fifth hinge seat 23 and the third hinge seat 20; an arc-shaped groove 35 is formed in the bottom surface of the adjusting block 16, and a sponge cushion layer 7 is fixedly arranged on the inner side wall of the arc-shaped groove 35 through a magic tape, so that the replacement is convenient; the head of the examiner is placed in the fixed cover 1, the head top is placed in the placing groove, the comfort level of the head of the examiner is improved by the sponge cushion layer 7, and meanwhile, the stability of the adjusting block 16 placed on the head of the examiner is improved;
an electrode plate mounting mechanism 27 is fixedly arranged on the inner side wall of the expansion plate 21; the electrode plate mounting mechanism 27 comprises an electrode mounting plate 27-9, an adjusting rod 27-5, a sleeve 27-4, a first spring 27-7, a limiting plate 27-6, a sliding block 27-2 and a sliding rail 27-1; a slide rail 27-1 is fixedly welded on the inner side wall of the telescopic plate 21, slide blocks 27-2 are arranged on the slide rail 27-1 in a sliding manner, a fixed plate 27-3 is fixedly welded on the side wall of the slide block 27-2, a sleeve 27-4 is vertically and fixedly welded on the side wall of the fixed plate 27-3, an adjusting rod 27-5 is movably inserted on the opening end of the end part of the sleeve 27-4, a limiting plate 27-6 is fixedly welded on the inner end of the adjusting rod 27-5, a first spring 27-7 is arranged on the limiting plate 27-6 and the inner side wall of the sleeve 27-4, one end of the first spring 27-7 is fixedly welded with the side wall of the limiting plate 27-6, and the other end of the first spring 27-7 is fixedly welded with the inner side wall of the; the outer side of the adjusting rod 27-5 is movably connected with an electrode mounting plate 27-9 through a spherical joint 27-8, the electrode mounting plate 27-9 is arranged in an arc structure, and the electrode mounting plate 27-9 is an elastic steel plate; the electrode mounting plates 27-9 adopt arc-shaped and elastic structures to increase the fit degree with the head;
a square rod 28 is movably arranged on the fixing plate 27-3 at the lower side of the sleeve 27-4 in a penetrating manner, a handheld block 29 is fixedly welded at one end of the square rod 28, a fixture block 30 is fixedly welded at the other end of the square rod 28, a rack 31 is fixedly welded on the side wall of the sliding rail 27-1, and the fixture block 30 is meshed with the rack 31 and clamped; a second spring 32 is movably sleeved on the square rod 28 between the fixture block 30 and the fixing plate 27-3, one end of the second spring 32 is fixedly welded with the fixing plate 27-3, and the other end of the second spring 32 is fixedly welded with the fixture block 30; the position of the fixing plate 27-3 is fixed through the engagement of the fixture block 30 and the rack 31, when the position of the fixing plate 27-3 needs to be adjusted, the hand-held block 29 is pulled to drive the fixture block 30 to be separated from the rack 31, and then the position of the fixing plate 27-3 is adjusted.
The working principle of the specific embodiment is as follows: the electrode plate is fixed on a rack of external brain wave acquisition equipment through a mounting seat 3, then the electrode plate is pasted on an electrode mounting plate 27-9 through a pressure sensitive adhesive, an inspector stretches the head inside a fixed cover 1, then a first motor 5 is started, the output end of the first motor 5 drives a plurality of first screw rods 6 to rotate through the transmission action of a first synchronous wheel 8 and a first synchronous belt 9, and the inner threaded pipe 10 drives an adjusting plate 11 to descend because the lower end of the first screw rod 6 is screwed with the inner threaded pipe 10 through threads, so that the bottom surface of the adjusting block 16 is always contacted with the top of the inspected head; the second motor 13 is turned on, the output end of the second motor 13 drives the second screw 12 to rotate through the second synchronous wheel 14 and the second synchronous belt 15, so that the adjusting block 16 is finely adjusted up and down, the adjusting block 16 moves downwards, the obtuse angle formed between the first connecting rod 24 and the second connecting rod 25 is increased, the angle between the third connecting rod 26 and the side wall of the adjusting block 16 is reduced, the expansion plate 21 approaches to the adjusting block 16, the electrode mounting plate 27-9 approaches to the head of the inspector until the electrode sheet on the electrode mounting plate 27-9 is attached to the head of the inspector, then the position of the sliding block 27-2 on the sliding rail 27-1 is adjusted, the position of the electrode sheet on the head is adjusted, the spherical joint 27-8 adjusts the angle of the electrode mounting plate 27-9, and the expansion elasticity of the first spring 27-7, make electrode slice and head more laminate, then the electrode slice carries out the brain wave to examiner's brain and gathers.
After adopting above-mentioned structure, this embodiment beneficial effect does:
1. the first motor 5 drives the first screw rod 6 to rotate, so that the heights of the adjusting plate 11 and the adjusting block 16 are adjusted, the head of inspectors with different sizes can be conveniently adapted, and the application range of the device is enlarged;
2. the second motor 13 drives the second screw 12 to rotate, and the expansion or contraction of the expansion plate 21 is adjusted through the transmission action of the first connecting rod 24, the second connecting rod 25 and the third connecting rod 26, so that the fitting degree of the electrode plate and the head of an inspector is conveniently adjusted;
3. the spherical joint 27-8 adjusts the angle of the electrode mounting plate 27-9, the extension elasticity of the first spring 27-7 enables the electrode plate to be more attached to the head, brain waves can be collected more conveniently, and meanwhile, the electrode plate does not need to be fixed to the head of an inspector by an adhesive tape;
4. the position of the support rod 2 is adjusted through the sliding fit of the guide rail 33 and the guide block 34, so that the examiner can conveniently adjust the direction of the head.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. An electrode fixing device for brain wave collection comprises a fixing cover (1), a support rod (2) and a mounting seat (3); a supporting rod (2) is arranged on the right side of the fixed cover (1), the supporting rod (2) is formed by sleeving a first supporting rod (2-1) and a second supporting rod (2-2), and the lower end of the first supporting rod (2-1) is inserted into the upper end of the second supporting rod (2-2) and is fixedly connected with the first supporting rod through a bolt; the lower end of the second support rod (2-2) is fixedly connected with a mounting seat (3); the method is characterized in that: the electrode plate mounting mechanism comprises a first motor (5), a second motor (13), a first screw (6), a second screw (12), a regulating plate (11), a regulating block (16), a first connecting rod (24), a second connecting rod (25), a first hinging seat (18), a second hinging seat (19), a third hinging seat (20), a third connecting rod (26) and an electrode plate mounting mechanism; the fixed cover (1) is hemispherical, a partition plate (4) is fixedly arranged at the inner top of the fixed cover (1), and a first motor (5) is fixedly arranged on the top surface of the partition plate (4) through a motor support; a plurality of first screw rods (6) are rotatably arranged on the bottom surface of the partition plate (4) through equal round angles of a bearing, and the upper end of one first screw rod (6) is fixedly connected with the output end of the first motor (5) after rotating to pass through the partition plate (4) through the bearing; the upper ends of the first screw rods (6) are fixedly sleeved with first synchronous wheels (8), and the first synchronous wheels (8) are in transmission connection through first synchronous belts (9); the lower end of the first screw (6) is sleeved with an internal threaded pipe (10) through a thread rotation, and the lower ends of the internal threaded pipes (10) are fixedly arranged on the top surface of the adjusting plate (11); a plurality of second screws (12) are vertically and rotatably arranged on the bottom surface of the adjusting plate (11) through equal round angles of a bearing, a second motor (13) is fixedly arranged on the top surface of the adjusting plate (11) through a motor support, and the upper end of one second screw (12) is fixedly connected with the output end of the second motor (13) after passing through the adjusting plate (11) through the bearing in a rotating manner; the upper ends of the second screw rods (12) are fixedly sleeved with second synchronous wheels (14), and the second synchronous wheels (14) are in transmission connection through second synchronous belts (15); the first motor (5) and the second motor (13) are both connected with an external power supply; an adjusting block (16) is arranged on the lower side of the second screw rod (12), a plurality of internal thread holes (17) are formed in the top surface of the adjusting block (16) in a round angle shape, and the lower ends of the second screw rods (12) are rotatably inserted into the internal thread holes (17) in corresponding positions through threads; a first hinging seat (18) is fixedly arranged on the peripheral wall of the adjusting plate (11) in a round-corner manner, a plurality of second hinging seats (19) are fixedly arranged on the upper side of the peripheral wall of the adjusting block (16) in a round-corner manner, a third hinging seat (20) is fixedly arranged on the outer side wall of the adjusting block (16) right below the plurality of second hinging seats (19), a plurality of telescopic plates (21) are arranged on the peripheral side wall of the adjusting block (16) in a round-corner manner, and a fourth hinging seat (22) and a fifth hinging seat (23) are sequentially arranged on the inner side wall of each telescopic plate (21) from top to bottom; a first connecting rod (24) is hinged between the fourth hinging seat (22) and the second hinging seat (19), a second connecting rod (25) is rotatably arranged in the middle of the first connecting rod (24) through a rotating shaft, the upper end of the second connecting rod (25) is hinged with the first hinging seat (18), and a third connecting rod (26) is hinged between the fifth hinging seat (23) and the third hinging seat (20);
an electrode plate mounting mechanism (27) is fixedly arranged on the inner side wall of the expansion plate (21); the electrode plate mounting mechanism (27) comprises an electrode mounting plate (27-9), an adjusting rod (27-5), a sleeve (27-4), a first spring (27-7), a limiting plate (27-6), a sliding block (27-2) and a sliding rail (27-1); a sliding rail (27-1) is fixedly arranged on the inner side wall of the telescopic plate (21), sliding blocks (27-2) are arranged on the sliding rail (27-1) in a sliding mode, a fixing plate (27-3) is fixedly arranged on the side wall of the sliding block (27-2), a sleeve (27-4) is vertically and fixedly arranged on the side wall of the fixing plate (27-3), an adjusting rod (27-5) is movably inserted into an opening end of the end portion of the sleeve (27-4), a limiting plate (27-6) is fixedly arranged on the inner end of the adjusting rod (27-5), a first spring (27-7) is arranged on the limiting plate (27-6) and the inner side wall of the sleeve (27-4), one end of the first spring (27-7) is fixedly connected with the side wall of the limiting plate (27-6), and the other end of the first spring (27-7) is fixedly connected with the inner; the outer side of the adjusting rod (27-5) is movably connected with an electrode mounting plate (27-9) through a spherical joint (27-8).
2. The electrode fixing device for brain wave collection according to claim 1, wherein: a square rod (28) is movably arranged on the fixing plate (27-3) on the lower side of the sleeve (27-4) in a penetrating mode, one end of the square rod (28) is fixedly connected with a handheld block (29), the other end of the square rod (28) is fixedly connected with a clamping block (30), a rack (31) is fixedly arranged on the side wall of the sliding rail (27-1), and the clamping block (30) is meshed with the rack (31) in a clamping mode; a second spring (32) is movably sleeved on the square rod (28) between the fixture block (30) and the fixing plate (27-3), one end of the second spring (32) is fixedly connected with the fixing plate (27-3), and the other end of the second spring (32) is fixedly connected with the fixture block (30); the position of the fixing plate (27-3) is fixed through the meshing of the fixture block (30) and the rack (31), when the position of the fixing plate (27-3) needs to be adjusted, the hand-held block (29) is pulled to drive the fixture block (30) to be separated from the rack (31), and then the position of the fixing plate (27-3) is adjusted.
3. The electrode fixing device for brain wave collection according to claim 1, wherein: a guide rail (33) is fixedly arranged on the outer side wall of the lower side of the fixed cover (1), a guide block (34) is fixedly arranged on the upper end of the first support rod (2-1), and the guide block (34) is arranged on the guide rail (33) in a sliding manner; the guide block (34) slides on the guide rail (33), changes the position of the fixed cover (1) at the upper end of the support rod (2), and adjusts the positions of the fixed cover (1) and the electrode mounting plates (27-9) in the fixed cover.
4. The electrode fixing device for brain wave collection according to claim 1, wherein: the electrode mounting plates (27-9) are arranged in an arc structure, and the electrode mounting plates (27-9) are elastic steel plates; the electrode mounting plates (27-9) adopt arc-shaped and elastic structures to increase the fit degree with the head.
5. The electrode fixing device for brain wave collection according to claim 1, wherein: an arc-shaped groove (35) is formed in the bottom surface of the adjusting block (16), and a sponge cushion layer (7) is fixedly arranged on the inner side wall of the arc-shaped groove (35) through a magic tape; the inside of fixed cover (1) is put with the head to the inspector, and the inside of shelving the groove is placed at the top of the head, and sponge bed course (7) have increased the comfort level of inspector head, and simultaneously, have increased regulating block (16) and have placed the stability at inspector head.
6. The electrode fixing device for brain wave collection according to claim 1, wherein: the working principle is as follows: the electrode plate is fixed on a rack of external brain wave acquisition equipment through a mounting seat (3), then the electrode plate is pasted on an electrode mounting plate (27-9) through a pressure sensitive adhesive, an inspector stretches the head into a fixed cover (1), then a first motor (5) is turned on, the output end of the first motor (5) drives a plurality of first screw rods (6) to rotate through the transmission action of a first synchronous wheel (8) and a first synchronous belt (9), and the inner threaded pipe (10) drives an adjusting plate (11) to descend because the lower end of the first screw rod (6) is screwed with the inner threaded pipe (10) through threads, so that the bottom surface of an adjusting block (16) is always contacted with the top of the inspected head; the second motor (13) is started, the output end of the second motor (13) drives the second screw rod (12) to rotate through the second synchronous wheel (14) and the second synchronous belt (15), so that the adjusting block (16) is finely adjusted up and down, the adjusting block (16) moves downwards, the obtuse angle formed between the first connecting rod (24) and the second connecting rod (25) is increased, the angle between the third connecting rod (26) and the side wall of the adjusting block (16) is reduced, the expansion plate (21) approaches the adjusting block (16), the electrode mounting plate (27-9) approaches the head of an inspector until the electrode plate on the electrode mounting plate (27-9) is attached to the head of the inspector, then the position of the sliding block (27-2) on the sliding rail (27-1) is adjusted, the position of the electrode plate at the head is adjusted, and the angle of the electrode mounting plate (27-9) is adjusted by the spherical joint (27-8), the electrode plate is more attached to the head due to the telescopic elasticity of the first spring (27-7), and then the electrode plate collects brain waves of the brain of the examiner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011527521.4A CN112656432A (en) | 2020-12-22 | 2020-12-22 | Electrode fixing device for brain wave collection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011527521.4A CN112656432A (en) | 2020-12-22 | 2020-12-22 | Electrode fixing device for brain wave collection |
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| CN202011527521.4A Pending CN112656432A (en) | 2020-12-22 | 2020-12-22 | Electrode fixing device for brain wave collection |
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Application publication date: 20210416 |