An electroencephalography electrode cap device

Abstract

This invention relates to the field of EEG electrode cap technology, specifically to an EEG electrode cap device, comprising a protective case, a control frame fixedly connected to the inner wall of the protective case, and an inner protective box fixedly connected to the top of the control frame. By incorporating the protective case, control frame, and inner protective box, this invention achieves integrated storage protection and convenient access to EEG electrode caps in complex outdoor environments. Compared with existing technologies, it effectively solves the problem of contamination protection for EEG electrode caps in the field. Through a closed, tiered protective structure, the electrode cap is completely isolated from the external natural environment during storage and transportation, preventing direct contact between the cap and electrodes with dust, soil, and high humidity condensation in the field. This reduces the risk of stain adhesion and contamination by microorganisms and pathogens, ensuring the hygienic safety of the electrode cap and reducing the difficulty and frequency of disinfection operations in field settings, thus mitigating damage to the electrode cap material and performance caused by unstable environments.

Description

Technical Field

[0001] This invention relates to the field of EEG electrode cap technology, and more specifically, to an EEG electrode cap device. Background Technology

[0002] An EEG electrode cap is a wearable device specifically designed for collecting electroencephalogram (EEG) signals. It is typically made of flexible materials and fits snugly against the scalp. By precisely fixing multiple electrodes to corresponding areas of the scalp according to internationally recognized standards such as the 10-20 system, it can highly sensitively capture the weak bioelectrical signals generated by the activity of clusters of neurons in the brain. This device is not only a key tool for basic research in brain science, clinical diagnosis of epilepsy lesions, and polysomnography analysis, but also an indispensable core foundational equipment for realizing real-time brain-computer interface interaction and neurofeedback training.

[0003] According to patent document CN113181552A, a device for storing electrode caps in a brain circulation therapy device is disclosed. This device includes: a drawer disposed inside the main body of the brain circulation therapy device; and a sterilization structure disposed within the drawer, comprising a rotating motor, a connecting seat, a mounting seat, and an ultraviolet germicidal lamp. This invention provides a device for storing electrode caps in a brain circulation therapy device. By incorporating a sterilization structure, after each use and placement in the drawer, the inner side of the electrode cap is irradiated with ultraviolet light by the ultraviolet germicidal lamp, thus comprehensively disinfecting and sterilizing the inner side. This replaces manual sterilization, making sterilization more convenient and efficient, better meeting user needs. A positioning structure is also included to position the electrode cap stably above the sterilization structure, facilitating sterilization.

[0004] As a sophisticated biosignal acquisition device, EEG electrode caps are typically used in well-controlled indoor environments. However, in actual scientific research, emergency rescue, or specific field expeditions, there is a need to deploy the equipment in outdoor natural environments. In such special situations, because field sites generally lack the stable storage space, standardized disinfection and sterilization facilities, and constant environmental control conditions found indoors, the electrode caps are inevitably exposed to complex and ever-changing external environments. They may be in contact with airborne dust and soil particles for extended periods, and be exposed to high humidity or condensation conditions. This not only easily leads to various stains adhering to the surface of the cap and electrode points, but may also contaminate them with microorganisms or pathogens from the environment.

[0005] Furthermore, prolonged exposure to unsteady environments with large diurnal temperature variations and drastic temperature and humidity fluctuations accelerates the oxidation and corrosion of electrode metal materials and the deterioration of polymer materials, directly affecting the conductivity and lifespan of the electrodes. The combined effect of these factors ultimately interferes with or even reduces the quality and stability of the collected EEG signals. This makes it difficult for conventionally designed electrode caps to achieve an effective balance between the portability of the equipment and the need for reliable environmental protection when used in the field, thus failing to fully meet the application requirements under complex outdoor conditions. Summary of the Invention

[0006] To overcome the aforementioned deficiencies of the prior art, this invention provides an EEG electrode cap device. The technical problem this invention aims to solve is that in actual scientific research, emergency rescue, or specific field investigation missions, there is a need to deploy and apply equipment in outdoor natural environments. In such special situations, due to the general lack of stable storage space, standardized disinfection and sterilization facilities, and constant environmental control conditions found indoors at field work sites, the electrode cap will inevitably be directly exposed to the complex and ever-changing external environment. It may be in contact with airborne dust and soil particles for extended periods, and be exposed to high humidity or condensation conditions. This not only easily leads to… This can lead to various stains adhering to the surface of the cap and electrode points, and may also contaminate with microorganisms or pathogens in the environment. In addition, long-term exposure to an unstable environment with large diurnal temperature differences and drastic temperature and humidity fluctuations will accelerate the oxidation and corrosion of the electrode metal materials and the performance degradation of the polymer materials, thereby directly affecting the conductivity and service life of the electrodes. The combined effect of these factors will ultimately interfere with or even reduce the quality and stability of the collected EEG signals. As a result, conventionally designed electrode caps often cannot achieve an effective balance between the need for portable equipment and the need for reliable environmental protection when used in the field, and cannot fully meet the application requirements under complex outdoor conditions.

[0007] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: An EEG electrode cap device includes a protective case, a control frame fixedly connected to the inner wall of the protective case, and an inner protective box fixedly connected to the top of the control frame. The protective box includes a box body, with side sliding grooves on both the left and right sides of the box body. A top cover is slidably connected to the top of the box body, and columnar short rods are rotatably connected to the rear sides of both the left and right sides of the top cover. Rotating rods are rotatably connected to the outer ends of the two columnar short rods. The control frame includes a horizontal plate, and the left and right sides of the horizontal plate are respectively fixedly connected to the rear side of the bottom of the inner wall of the box. The inner protective box includes a control frame, and a front frame is provided on the front side of the control frame.

[0008] As a further embodiment of the present invention: guide base plates are fixedly connected to the left and right sides of the front side of the horizontal plate, front blocks are fixedly connected to the front sides of the top of the two guide base plates, an electric push rod is fixedly connected between the rear sides of the inner ends of the two guide base plates, a horizontal push block is fixedly connected to the front end of the electric push rod, the left and right sides of the horizontal push block extend into the interior of the two guide base plates respectively, sliders are fixedly connected to the left and right sides of the horizontal push block, guide rods are slidably connected to the top inner walls of the two sliders, and the front sides of the two guide rods are fixedly connected to the rear sides of the two front blocks respectively.

[0009] As a further embodiment of the present invention: the top of the left and right sides of the two sliders are hinged to expansion and contraction trusses, the rear sides of the bottom inner sides of the two sets of expansion and contraction trusses are respectively rotatably connected to the rear sides of the left and right sides of the two guide rods, the top of the two sets of expansion and contraction trusses are hinged to push plates, the front sides of the two push plates are fixedly connected to horizontal L-shaped push-pull rods, and the middle of the top of the horizontal plate is fixedly connected to a vertical abutment plate.

[0010] As a further embodiment of the present invention: a side connecting plate is fixedly connected to the front side of the outer side of each of the two guide base plates, and a vertical guide side plate is fixedly connected to the outer side of each of the two side connecting plates. The rear side of each of the two vertical guide side plates is slidably connected to the front side of each of the two horizontal L-shaped push-pull rods. The outer ends of each of the two horizontal L-shaped push-pull rods slide through the two side sliding grooves opened in the box and extend to the left and right sides of the outer wall of the box. The outer ends of each of the two horizontal L-shaped push-pull rods are hinged to the bottom of the inner side of each of the two rotating rods.

[0011] As a further embodiment of the present invention: the control frame includes a horizontal connecting plate, and L-shaped guide plates are fixedly connected to the left and right sides of the top and bottom of the horizontal connecting plate. The bottom of the two L-shaped guide plates at the bottom are respectively fixedly connected to the top of the two push plates. Side guide plates are fixedly connected to the left and right sides of the horizontal connecting plate. Hinge blocks are fixedly connected to the rear sides of the two side guide plates. Second guide blocks are fixedly connected to the top and bottom of the outer ends of the two side guide plates. Guide blocks are fixedly connected to the top and bottom of the inner ends of the two side guide plates.

[0012] As a further embodiment of the present invention: the inner walls of the left and right sets of guide blocks are slidably connected with columnar push-pull rods, the rear ends of the two sets of columnar push-pull rods are fixedly connected with horizontal Z-shaped rods, the inner ends of the top and bottom sets of horizontal Z-shaped rods are fixedly connected with a horizontal push rod, the left and right sides of the horizontal push rod are hinged with V-shaped rotating rods, the middle part of the outer wall of the two V-shaped rotating rods is respectively hinged to the inner wall of the two hinge blocks, the outer ends of the front side of the two V-shaped rotating rods are hinged with pressure plates, the front ends of the left and right sets of columnar push-pull rods are fixedly connected with a rear housing, the top and bottom of the rear housing are slidably connected between the inner sides of the top and bottom sets of L-shaped guide plates.

[0013] As a further embodiment of the present invention: rear housing slide grooves are provided on both the left and right sides of the rear housing, and electrode cap control elements are fixedly connected to both the left and right sides of the inner wall of the rear housing, and circuits are fixedly connected to the front sides of the two electrode cap control elements.

[0014] As a further embodiment of the present invention: an electrode cap is fixedly connected to the end of each of the two lines away from the electrode cap control element, and an anti-block is fixedly connected to the middle of the front side of the horizontal push rod, wherein the front inclined surface of the anti-block slides against the rear inclined surface of the vertical plate.

[0015] As a further embodiment of the present invention: the front frame includes a front housing, and side slides are fixedly connected to both the left and right sides of the front housing. A second columnar rod is fixedly connected to the top and bottom of the rear sides of the two side slides.

[0016] As a further embodiment of the present invention: the rear side of the front housing is attached to the front side of the rear housing, the inner ends of the two side slide plates pass through the rear housing slide grooves opened on the left and right sides of the rear housing respectively and are fixedly connected to the outer ends of the two electrode cap control elements, the outer walls of the two sets of second columnar rods on the left and right sides are slidably connected to the inner walls of the two sets of second guide blocks on the left and right sides respectively, and the rear ends of the two sets of second columnar rods on the left and right sides are fixedly connected to the top and bottom of the front side of the two pressure plates respectively.

[0017] The beneficial effects of this invention are as follows: 1. This invention, by setting up a protective box, control frame and inner protective box, realizes the integrated storage protection and convenient access of EEG electrode caps in complex outdoor environments. Compared with the existing technology, it effectively solves the problem of pollution protection of EEG electrode caps in the wild.

[0018] 2. This invention, through a closed, graded protective structure, completely isolates the electrode cap from the external natural environment during storage and transportation, preventing the cap and electrodes from directly contacting dust, soil, and high-humidity condensation in the field. This reduces the risk of stain adhesion and contamination by microorganisms and pathogens, ensuring the hygiene and safety of the electrode cap and reducing the difficulty and frequency of disinfection operations in the field. It also mitigates the damage to the electrode cap material and performance caused by unstable environments. The protective structure can buffer the impact of large day-night temperature differences and drastic temperature and humidity fluctuations on the electrode cap, slowing down the oxidation and corrosion process of the electrode metal material, delaying the performance degradation of the polymer cap material, effectively maintaining the stable conductivity of the electrodes, extending the overall service life of the electrode cap, and ensuring the quality and stability of EEG signal acquisition during long-term field operations.

[0019] 3. This invention, through its integrated linkage structure design, can simultaneously complete the entire process of opening the protective box, raising the inner protective box, and automatically unfolding the electrode cap storage cavity with just a single start. The retrieval and placement operations do not require manual opening, taking, and resetting, which simplifies the operation process in the field, reduces the difficulty of operation in the field environment, and meets the requirements of portable and mobile equipment in the field. At the same time, it provides reliable environmental protection for the EEG electrode cap, achieving an effective balance between portability and protection, and fully meeting the application needs of EEG signal acquisition in complex outdoor scenarios. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the main three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the three-dimensional separation structure of the main body of the present invention; Figure 3 This is a three-dimensional structural diagram of the protective box of the present invention; Figure 4 This is a three-dimensional structural diagram of the control frame and inner protective box of the present invention; Figure 5 This is a schematic diagram of the three-dimensional separation structure of the control frame and the inner protective box of the present invention; Figure 6 This is a three-dimensional structural diagram of the control frame of the present invention; Figure 7 This is a schematic diagram of the three-dimensional separation structure of the inner protective box of the present invention; Figure 8 This is a three-dimensional structural diagram of the control frame of the present invention; Figure 9 For the present invention Figure 8 Enlarged structural diagram at point A in the middle; Figure 10 This is a schematic diagram of the three-dimensional structure of the front frame of the present invention.

[0021] In the diagram: 1. Protective box; 11. Box body; 12. Side sliding groove; 13. Top cover; 14. Columnar short rod; 15. Rotating rod; 2. Control frame; 21. Horizontal plate; 22. Guide bottom plate; 23. Electric push rod; 24. Horizontal push block; 25. Front block; 26. Guide rod; 27. Sliding block; 29. ​​Retractable and expanding truss; 210. Top push plate; 211. Horizontal L-shaped push-pull rod; 212. Side connecting plate; 213. Vertical guide side plate; 214. Vertical abutment plate; 3. Inner protective box; 31. Control frame; 311. Horizontal connecting plate; 312. 313. L-shaped guide plate; 314. Anti-block; 315. Horizontal push rod; 316. Side guide plate; 317. Hinge block; 318. Horizontal Z-shaped rod; 319. Guide block; 310. V-shaped rotating rod; 3110. Pressure plate; 3111. Second guide block; 3112. Columnar push-pull rod; 3113. Rear housing; 3114. Rear housing slide groove; 3115. Electrode cap control element; 3116. Circuit; 3117. Electrode cap; 32. Front frame; 321. Front housing; 322. Side slide plate; 323. Second columnar rod. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] like Figure 1-5 As shown, the present invention provides an EEG electrode cap device, including a protective box 1, a control frame 2 fixedly connected to the inner wall of the protective box 1, and an inner protective box 3 fixedly connected to the top of the control frame 2; the protective box 1 includes a box body 11, side sliding grooves 12 are provided on both the left and right sides of the box body 11, a top cover 13 is slidably connected to the top of the box body 11, and columnar short rods 14 are rotatably connected to the rear sides of both the left and right sides of the top cover 13, and rotating rods 15 are rotatably connected to the outer ends of the two columnar short rods 14.

[0024] like Figure 4-6As shown, the control frame 2 includes a horizontal plate 21, with the left and right sides of the horizontal plate 21 fixedly connected to the rear side of the bottom of the inner wall of the housing 11; guide base plates 22 are fixedly connected to the left and right sides of the front side of the horizontal plate 21, and front blocks 25 are fixedly connected to the front side of the top of the two guide base plates 22; an electric push rod 23 is fixedly connected between the rear sides of the inner ends of the two guide base plates 22; a horizontal push block 24 is fixedly connected to the front end of the electric push rod 23; the left and right sides of the horizontal push block 24 extend into the interior of the two guide base plates 22; sliders 27 are fixedly connected to the left and right sides of the horizontal push block 24; guide rods 26 are slidably connected to the inner walls of the top of the two sliders 27; and the front sides of the two guide rods 26 are fixedly connected to the rear sides of the two front blocks 25. The tops of both sides of the two sliders 27 are hinged to the expansion and contraction trusses 29. The rear sides of the bottom inner sides of the two sets of expansion and contraction trusses 29 are rotatably connected to the rear sides of the two guide rods 26. The tops of the two sets of expansion and contraction trusses 29 are hinged to the push plates 210. The front sides of the two push plates 210 are fixedly connected to the horizontal L-shaped push-pull rods 211. The middle of the top of the horizontal plate 21 is fixedly connected to the vertical abutment plate 214. The front sides of the outer ends of the two guide base plates 22 are fixedly connected to the horizontal L-shaped push-pull rods 211. There is a side connecting plate 212, and the outer ends of the two side connecting plates 212 are fixedly connected to the vertical guide side plate 213. The rear sides of the two vertical guide side plates 213 are slidably connected to the front sides of the two horizontal L-shaped push-pull rods 211 respectively. The outer ends of the two horizontal L-shaped push-pull rods 211 slide through the two side sliding grooves 12 opened in the box body 11 and extend to the left and right sides of the outer wall of the box body 11 respectively. The outer ends of the two horizontal L-shaped push-pull rods 211 are hinged to the bottom of the inner ends of the two rotating rods 15 respectively.

[0025] like Figure 7-9 As shown, the inner protective box 3 includes a control frame 31, and a front frame 32 is provided on the front side of the control frame 31. The control frame 31 includes a horizontal connecting plate 311. L-shaped guide plates 312 are fixedly connected to the left and right sides of the top and bottom of the horizontal connecting plate 311. The bottom of the two L-shaped guide plates 312 at the bottom is fixedly connected to the top of the two push plates 210 respectively. Side guide plates 315 are fixedly connected to the left and right sides of the horizontal connecting plate 311. Hinges 316 are fixedly connected to the rear side of the two side guide plates 315. Second guide blocks 3111 are fixedly connected to the top and bottom of the outer ends of the two side guide plates 315. Guide blocks 318 are fixedly connected to the top and bottom of the inner ends of the two side guide plates 315. The inner walls of the left and right guide blocks 318 are slidably connected with columnar push-pull rods 3112. The rear ends of the two sets of columnar push-pull rods 3112 are fixedly connected with horizontal Z-shaped rods 317. The inner ends of the top and bottom sets of horizontal Z-shaped rods 317 are fixedly connected with a horizontal push rod 314. The left and right sides of the horizontal push rod 314 are hinged with V-shaped rotating rods 319. The middle part of the outer wall of the two V-shaped rotating rods 319 is respectively hinged to the inner wall of the two hinge blocks 316. The outer ends of the front side of the two V-shaped rotating rods 319 are hinged with pressure plates 3110. The front ends of the left and right sets of columnar push-pull rods 3112 are fixedly connected with a rear housing 3113. The top and bottom of the rear housing 3113 are slidably connected between the inner sides of the top and bottom sets of L-shaped guide plates 312. The rear housing 3113 has rear housing grooves 3114 on both the left and right sides. The rear housing 3113 has electrode cap control elements 3115 fixedly connected to both the left and right sides of the inner wall of the rear housing 3113. The rear end of the electrode cap control elements 3115 is located inside the rear housing grooves 3114. The front sides of the two electrode cap control elements 3115 are fixedly connected to the lines 3116. The ends of the two lines 3116 away from the electrode cap control elements 3115 are fixedly connected to the electrode caps 3117. The front middle of the horizontal push rod 314 is fixedly connected to the anti-block 313. The front inclined surface of the anti-block 313 slides and fits against the rear inclined surface of the vertical plate 214. like Figure 10 As shown, the front frame 32 includes a front housing 321. Side slides 322 are fixedly connected to both the left and right sides of the front housing 321. Second columnar rods 323 are fixedly connected to the top and bottom of the rear side of the two side slides 322. The rear side of the front housing 321 is attached to the front side of the rear housing 3113. The inner ends of the two side slides 322 pass through the rear housing slide grooves 3114 opened on the left and right sides of the rear housing 3113 and are fixedly connected to the outer ends of the two electrode cap control elements 3115. The outer walls of the two sets of second columnar rods 323 are slidably connected to the inner walls of the two sets of second guide blocks 3111. The rear ends of the two sets of second columnar rods 323 are fixedly connected to the top and bottom of the front side of the two pressure plates 3110.

[0026] Working principle of the invention: When the EEG electrode cap needs to be used in the field, first turn on the power start device, control the electric push rod 23 to push the horizontal push block 24 to slide backward along the guide rod 26. The horizontal push block 24 drives the two side sliders 27 to move backward synchronously. The sliders 27 push the bottom end of the expansion and contraction truss 29 to move upward synchronously. The cross rotation structure of the expansion and contraction truss 29 gradually unfolds under the action of the thrust, driving the two top push plates 210 at the top to move upward. The two top push plates 210 are lifted upward as a whole, driving the entire inner protective box 3 to be lifted upward from the inside of the box body 11. At the same time, the two top push plates 210 push the horizontal L-shaped push-pull rod 211 to move upward synchronously along the vertical guide side plate 213. When the two horizontal L-shaped push-pull rods 211 move upward, they push the two rotating rods 15 connected to the outer end to rotate. The rotating rods 15 drive the top cover 13 to slide backward along the sliding groove opened at the top of the box body 11 through the columnar short rod 14, thus completing the operation of opening the protective box 1 and lifting the inner protective box 3 simultaneously, without the need for the user to manually open the cover and take out the device. Once the inner protective box is fully raised into position, the upright abutment plate 214 presses and pushes the abutment block 313 backward. Ultimately, the upright abutment plate 214 pushes the anti-abutment block 313 and the horizontal push rod 314 backward as a whole. The horizontal push rod 314 pulls the V-shaped rotating rod 319 to rotate around the hinge block 316. The outer end of the front side of the V-shaped rotating rod 319 drives the pressure plate 3110 to rotate forward. The pressure plate 3110 pushes the second columnar rod 323 forward, and the second columnar rod 323 pushes the side slide plate 322 and the front housing 3... 21 moves forward; at the same time, the horizontal push rod 314 pulls the horizontal Z-shaped rod 317 and the columnar push-pull rod 3112 to move backward. The columnar push-pull rod 3112 drives the rear housing 3113 to slide backward along the L-shaped guide plate 312. The rear housing 3113 moves backward to cooperate with the front frame 32 to open, automatically exposing the two electrode caps 3117, making it convenient for users to take them out and use them directly. After use, the reset device can automatically store and protect them. The structure has strong linkage and greatly simplifies the process of taking out and putting away EEG electrode caps in the field. Compared to the traditional independent opening and removal operation mode, this device reduces the steps of manual operation in the field, avoids delays in the experimental process due to cumbersome operation, and also reduces the probability of the device being exposed to dust and moisture. The entire unfolding process is driven by a single power source of electric push rod 23, and each component completes the linkage action in sequence. There is no need to set up multiple additional drive components. The overall structure is simple, reducing the overall weight and energy consumption of the device, making it more suitable for portable use in the field.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. An EEG electrode cap device, comprising a protective case (1), characterized in that: The inner wall of the protective box (1) is fixedly connected to a control frame (2), and the top of the control frame (2) is fixedly connected to an inner protective box (3). The protective box (1) includes a box body (11), and side sliding grooves (12) are provided on both the left and right sides of the box body (11). A top cover (13) is slidably connected to the top of the box body (11). Columnar short rods (14) are rotatably connected to the rear sides of both the left and right sides of the top cover (13). Rotating rods (15) are rotatably connected to the outer ends of the two columnar short rods (14). The control frame (2) includes a horizontal plate (21), and the left and right sides of the horizontal plate (21) are respectively fixedly connected to the rear side of the bottom of the inner wall of the box (11); The inner protective box (3) includes a control frame (31), and a front frame (32) is provided on the front side of the control frame (31).

2. The EEG electrode cap device according to claim 1, characterized in that: Guide base plates (22) are fixedly connected to the left and right sides of the front side of the horizontal plate (21). Front blocks (25) are fixedly connected to the front sides of the top of the two guide base plates (22). Electric push rods (23) are fixedly connected between the rear sides of the inner ends of the two guide base plates (22). A horizontal push block (24) is fixedly connected to the front end of the electric push rod (23). The left and right sides of the horizontal push block (24) extend into the interior of the two guide base plates (22). Slider blocks (27) are fixedly connected to the left and right sides of the horizontal push block (24). Guide rods (26) are slidably connected to the inner walls of the top of the two sliders (27). The front sides of the two guide rods (26) are fixedly connected to the rear sides of the two front blocks (25).

3. The EEG electrode cap device according to claim 2, characterized in that: The tops of the two sliders (27) on the left and right sides are hinged to the expansion and contraction trusses (29). The rear sides of the bottom of the inner sides of the two sets of expansion and contraction trusses (29) are rotatably connected to the rear sides of the two guide rods (26) on the left and right sides respectively. The tops of the two sets of expansion and contraction trusses (29) are hinged to the push plate (210). The front sides of the two push plates (210) are fixedly connected to the horizontal L-shaped push-pull rod (211). The middle of the top of the horizontal plate (21) is fixedly connected to the vertical abutment plate (214).

4. The EEG electrode cap device according to claim 2, characterized in that: The front sides of the outer ends of the two guide base plates (22) are fixedly connected to side connecting plates (212), and the outer sides of the two side connecting plates (212) are fixedly connected to vertical guide side plates (213). The rear sides of the two vertical guide side plates (213) are slidably connected to the front sides of the two horizontal L-shaped push-pull rods (211). The outer ends of the two horizontal L-shaped push-pull rods (211) slide through the two side sliding grooves (12) opened in the box body (11) and extend to the left and right sides of the outer wall of the box body (11). The outer ends of the two horizontal L-shaped push-pull rods (211) are hinged to the bottom of the inner ends of the two rotating rods (15).

5. The EEG electrode cap device according to claim 1, characterized in that: The control frame (31) includes a horizontal connecting plate (311). L-shaped guide plates (312) are fixedly connected to the top and bottom left and right sides of the horizontal connecting plate (311). The bottom of the two L-shaped guide plates (312) at the bottom are fixedly connected to the top of the two push plates (210). Side guide plates (315) are fixedly connected to the left and right sides of the horizontal connecting plate (311). Hinges (316) are fixedly connected to the rear side of the two side guide plates (315). Second guide blocks (3111) are fixedly connected to the top and bottom of the outer ends of the two side guide plates (315). Guide blocks (318) are fixedly connected to the top and bottom of the inner ends of the two side guide plates (315).

6. The EEG electrode cap device according to claim 5, characterized in that: The inner walls of the left and right guide blocks (318) are slidably connected with columnar push-pull rods (3112). The rear ends of the two sets of columnar push-pull rods (3112) are fixedly connected with horizontal Z-shaped rods (317). The inner ends of the top and bottom sets of horizontal Z-shaped rods (317) are fixedly connected with a horizontal push rod (314). The left and right sides of the horizontal push rod (314) are hinged with V-shaped rotating rods (319). The middle part of the outer wall of the two V-shaped rotating rods (319) is hinged to the inner wall of the two hinge blocks (316). The outer ends of the front side of the two V-shaped rotating rods (319) are hinged with pressure plates (3110). The front ends of the left and right sets of columnar push-pull rods (3112) are fixedly connected with a rear housing (3113). The top and bottom of the rear housing (3113) are slidably connected between the inner sides of the top and bottom sets of L-shaped guide plates (312).

7. The EEG electrode cap device according to claim 6, characterized in that: The rear housing (3113) has rear housing grooves (3114) on both the left and right sides. The rear housing (3113) has electrode cap control elements (3115) fixedly connected to both the left and right sides of the inner wall of the rear housing (3113). The front sides of the two electrode cap control elements (3115) are fixedly connected to lines (3116).

8. The EEG electrode cap device according to claim 7, characterized in that: The two lines (3116) are fixedly connected to an electrode cap (3117) at the end away from the electrode cap control element (3115). The front middle of the horizontal push rod (314) is fixedly connected to a counter-block (313), and the front inclined surface of the counter-block (313) slides against the rear inclined surface of the vertical plate (214).

9. The EEG electrode cap device according to claim 1, characterized in that: The front frame (32) includes a front housing (321), and side slides (322) are fixedly connected to both the left and right sides of the front housing (321). The top and bottom of the rear sides of the two side slides (322) are fixedly connected to a second columnar rod (323).

10. The EEG electrode cap device according to claim 9, characterized in that: The rear side of the front housing (321) is attached to the front side of the rear housing (3113). The inner ends of the two side slide plates (322) pass through the rear housing slide grooves (3114) opened on the left and right sides of the rear housing (3113) and are fixedly connected to the outer ends of the two electrode cap control elements (3115). The outer walls of the two sets of second columnar rods (323) are slidably connected to the inner walls of the two sets of second guide blocks (3111). The rear ends of the two sets of second columnar rods (323) are fixedly connected to the top and bottom of the front side of the two pressure plates (3110).

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