Portable electroencephalogram detector

Abstract

The utility model discloses a portable electroencephalogram detector. The portable electroencephalogram detector comprises a shell, a collecting electrode and an equipment host, a plurality of groups of grooves are formed in the inner wall of the shell, springs are fixedly mounted at the rear ends of the acquisition electrodes, the other ends of the springs are fixedly mounted in the grooves, the plurality of groups of acquisition electrodes are embedded and mounted in the grooves through the springs, and a plurality of groups of needle type acquisition contacts are arranged at the front ends of the acquisition electrodes. According to the utility model, an elastic grabbing type structure can be adopted to realize the contact between the collecting electrode and the skin, so that each electrode can be tightly attached to the forehead skin during use, the collecting reliability is ensured, and the electrode collecting adopts a needle type structure, so that the contact degree with the skin is reduced, and the series connection of collecting point positions caused by sweating is prevented; and the shell can perform signal transmission and fixation on the equipment host through the type-c connector, and a snap fastener is additionally arranged for auxiliary fixation, so that the equipment host and the shell can realize quick-release design, and replacement and maintenance are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electroencephalogram detection, in particular to a portable electroencephalogram detector. Background Art

[0002] An EEG detector refers to a special instrument for recording spontaneous EEG, which mainly includes amplifier, recorder, display and flash, and contains consumables such as electrodes or electrode caps, conductive paste, cleaning agents, etc. Some of them also have EEG analysis function, and can generally receive 8 to 24 EEG signals at the same time. In addition to the function of amplifying EEG signals, the amplification part also has a filtering function, and the time constant and sensitivity can be adjusted. The EEG detector is an instrument used to monitor brain electrical activity. It is currently mainly used in medical fields such as epilepsy diagnosis, sleep disorder diagnosis, cognitive disorder diagnosis, coma assessment, and neuromodulation technology;

[0003] However, the electrode part of the current EEG detector often does not have the function of elastic expansion and contraction. Therefore, when worn, the electrodes often cannot fit closely to the user's skin, which can easily lead to insufficient number of EEG signals received, affecting the accuracy of detection. Secondly, traditional electrodes are in direct contact with the skin, which can easily lead to series connection of various collection points when sweating, thereby affecting the accuracy of the signals at each point. In addition, the structure is generally complex, and it cannot be quickly disassembled and assembled, making it inconvenient to carry.

[0004] Therefore, how to provide a portable electroencephalogram detector is a problem that those skilled in the art need to solve urgently. Utility Model Content

[0005] One purpose of the utility model is to provide a portable EEG detector. The utility model can adopt an elastic gripping structure to achieve the contact between the collection electrode and the skin, so that when in use, it can ensure that each electrode can fit closely with the forehead skin to ensure the reliability of collection. The electrode collection adopts a needle structure to reduce the degree of contact with the skin and prevent the series connection of various collection points due to sweating. The shell and the device host can transmit signals and fix them through a type-c connector, and a snap is added for auxiliary fixation, so that the device host and the shell can be designed to be quick-detachable, which is convenient for replacement and maintenance.

[0006] A portable electroencephalogram detector according to an embodiment of the utility model includes a housing, collection electrodes and a device host;

[0007] The inner wall of the shell is provided with a plurality of grooves, a spring is fixedly installed at the rear end of the collecting electrode, the other end of the spring is fixedly installed in the groove, a plurality of collecting electrodes are embedded in the groove through the spring, and a plurality of needle-type collecting contacts are arranged at the front end of the collecting electrode;

[0008] Two groups of snap buttons are correspondingly installed on the side wall of the shell and the inner side of the device host, and the device host is fixedly installed on one side of the shell through the snap buttons.

[0009] Furthermore, a type-c connector is provided on the side wall of the shell and between the two groups of snaps, a type-c interface is correspondingly provided on the inner side of the device host, and the type-c connector is inserted into the type-c interface.

[0010] In this technical solution, the type-c connector is inserted into the type-c interface to realize the power supply and data connection between the device host and the collection electrode, thereby ensuring the normal operation of the collection electrode and the transmission of data.

[0011] Furthermore, adjustment belts are fixedly installed on both sides of the rear end of the shell.

[0012] In this technical solution, the detector can be worn on the head through an adjustment belt, and the adjustment belt can be freely extended and retracted, so it can be suitable for users with different head circumferences.

[0013] Furthermore, anti-skid rubber pads are symmetrically fixed and adhered to the upper and lower sides of the inner wall of the shell.

[0014] In this technical solution, the rubber anti-slip pad can achieve soft contact between the shell and the head when the instrument is worn, thereby improving wearing comfort and stability.

[0015] Furthermore, mounting holes are provided on both sides of the rear end of the shell, and both ends of the adjustment belt are fixedly installed in the mounting holes, and the adjustment belt is fixedly connected to the shell through the mounting holes.

[0016] In this technical solution, the fixing and installation of the adjusting belt can be completed by passing the two ends of the adjusting belt through the two groups of installation holes respectively and then fixing them, so the disassembly and assembly of the adjusting belt is more convenient.

[0017] Furthermore, an FPC flexible flat cable is integrated inside the shell, and each group of collection electrodes is connected to the FPC flexible flat cable for electrical signals.

[0018] In this technical solution, the electrical connection of each group of collection electrodes can be achieved through the FPC soft cable, thereby facilitating the power supply and signal transmission of multiple groups of collection electrodes.

[0019] The beneficial effects of the utility model are:

[0020] The utility model can make the collection electrode in the groove freely extend and retract through the spring, so when the instrument is worn, the collection electrode can elastically contact with the user's forehead through the spring, ensuring that the collection electrode can fit closely with the forehead skin, which is suitable for users with different head circumferences, and the collection electrode adopts needle-type collection contacts to contact the skin, so the degree of contact with the skin can be reduced, preventing the possible series connection of various collection points due to sweating, ensuring the accuracy and reliability of the collected data, secondly, the device host is installed with the shell through snaps, and the two are connected by type-c for data, so they can be quickly disassembled and assembled, which is convenient for later maintenance and replacement, and the overall structure of the detector is simple and the integration is high, so it is relatively portable. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 This is a schematic diagram of the overall structure of a portable electroencephalogram detector proposed by the utility model;

[0023] Figure 2 The present invention is a schematic diagram of the disassembled structure of a portable electroencephalogram detector proposed by the present invention.

[0024] In the figure: 1. Shell; 2. Collection electrode; 3. Needle collection contact; 4. Adjustment belt; 5. Equipment host; 6. Type-C connector; 7. Snap button; 8. Spring; 9. Groove; 10. Mounting hole; 11. Anti-slip rubber pad. DETAILED DESCRIPTION

[0025] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0026] refer to Figure 1-2 , a portable electroencephalogram detector, comprising a housing 1, a collection electrode 2 and a device host 5;

[0027] The inner wall of the housing 1 is provided with a plurality of grooves 9, a spring 8 is fixedly installed at the rear end of the collecting electrode 2, and the other end of the spring 8 is fixedly installed in the groove 9, and a plurality of collecting electrodes 2 are embedded and installed in the groove 9 through the spring 8, and a plurality of needle-type collecting contacts 3 are arranged at the front end of the collecting electrode 2;

[0028] The rear ends of the housing 1 are fixedly provided with adjustment straps 4, which are elastic bands that can be freely stretched and adjusted in length, so as to be suitable for users with different head circumferences.

[0029] Specifically, mounting holes 10 are opened on both sides of the rear end of the housing 1, and both ends of the adjustment belt 4 are fixedly installed in the mounting holes 10, and the adjustment belt 4 is fixed after passing through the mounting holes 10, and the adjustment belt 4 is fixedly connected to the housing 1 through the mounting holes 10;

[0030] Secondly, the inner wall of the shell 1 is symmetrically fixed with anti-skid rubber pads 11 on both sides. The rubber anti-skid pads 11 are crescent-shaped, which can fit the user's forehead tightly when worn, improving wearing comfort and wearing stability;

[0031] In addition, the housing 1 is integrated with an FPC flexible flat cable, and each group of collecting electrodes 2 is connected to the FPC flexible flat cable for electrical signal, and the degree of integration is high;

[0032] In this embodiment, the user can wear the shell 1 on the head by adjusting the belt 4, and make the collection electrode 2 contact the forehead. When in contact, the spring 8 can realize elastic contact between the collection electrode 2 and the forehead, thereby ensuring that the collection electrodes 2 at different positions can fit tightly with the forehead skin to ensure the collection accuracy. Secondly, the needle-type collection contact 3 at the front end of the collection motor 2 contacts the skin, which can effectively reduce the degree of contact with the skin and prevent the collection points from being connected in series due to sweating.

[0033] refer to Figure 1-2 Two sets of snap buttons 7 are installed on the side wall of the housing 1 and the inner side of the device host 5. The device host 5 is fixedly installed on one side of the housing 1 through the snap buttons 7. The device host 5 is integrated with a battery and a data acquisition module, which can be used to collect data information collected by the acquisition electrode 2, and can store and transmit data information;

[0034] Among them, a type-c connector 6 is arranged on the side wall of the shell 1 and between the two groups of snaps 7, and a type-c interface is correspondingly arranged on the inner side of the device host 5, and the type-c connector 6 is inserted into the type-c interface. The type-c connector 6 and the type-c interface can realize data connection and power supply between the device host 5 and the collection electrode 2;

[0035] In this embodiment, the device host 5 can be installed and fixed to the shell 1 through the snap button 7, and during installation, the type-c connector 6 is inserted into the type-c interface to realize data connection and power supply, so the device host 5 can be quickly disassembled and assembled, thereby facilitating the replacement and maintenance of the device host 5.

[0036] Working principle: First, the detector can be worn on the user's head, and the needle-type collection contact 3 at the front end of the collection electrode 2 can be in contact with the forehead. At this time, the elasticity of the spring 8 can be used to make the collection electrode 2 able to expand and contract in the groove 9 according to the contact position with the skin, so that the collection electrode 2 can be in elastic contact with the skin. Then it can be started through the device host 5, and each collection electrode 2 can be used to collect EEG signals. The collected data can be transmitted to the device host 5 through the type-c connector 6. When the device host 5 needs to be replaced or repaired, the device host 5 can be directly pulled outward to separate the snap button 7, and the type-c connector 6 can be pulled out in the type-c interface.

[0037] It can be understood that the collection electrode driving mode in the present invention can be driven by the internal battery of the device host, and the device host can be programmed and controlled by the main control system, and its control principle can be realized by existing control technology.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A portable electroencephalogram detector, characterized in that: It comprises a housing (1), a collection electrode (2) and a device host (5); The inner wall of the shell (1) is provided with a plurality of grooves (9); a spring (8) is fixedly mounted at the rear end of the collecting electrode (2); the other end of the spring (8) is fixedly mounted in the groove (9); a plurality of collecting electrodes (2) are embedded in the groove (9) via the spring (8); and a plurality of needle-type collecting contacts (3) are arranged at the front end of the collecting electrode (2); Two groups of snap buttons (7) are correspondingly installed on the side wall of the shell (1) and the inner side of the device main unit (5), and the device main unit (5) is fixedly installed on one side of the shell (1) via the snap buttons (7).

2. A portable electroencephalogram detector according to claim 1, characterized in that: A type-c connector (6) is provided on the side wall of the shell (1) and between the two groups of snap buttons (7); a type-c interface is correspondingly provided on the inner side of the device host (5), and the type-c connector (6) is inserted into the type-c interface.

3. A portable electroencephalogram detector according to claim 1, characterized in that: Adjustment belts (4) are fixedly mounted on both sides of the rear end of the housing (1).

4. A portable electroencephalogram detector according to claim 1, characterized in that: Anti-skid rubber pads (11) are symmetrically fixed and adhered to the upper and lower sides of the inner wall of the housing (1).

5. A portable electroencephalogram detector according to claim 3, characterized in that: The housing (1) is provided with mounting holes (10) on both sides of the rear end, and the two ends of the adjustment belt (4) are fixedly mounted in the mounting holes (10), and the adjustment belt (4) is fixedly connected to the housing (1) through the mounting holes (10).

6. A portable electroencephalogram detector according to claim 1, characterized in that: An FPC flexible flat cable is integrated inside the housing (1), and each group of collection electrodes (2) is connected to the FPC flexible flat cable for electrical signals.

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