Electroencephalogram signal acquisition device, electroencephalogram signal acquisition terminal and electroencephalogram signal acquisition cap
Through the coordinated adsorption design of the magnetic mechanism and the cap body, the problem of fixed sensor position in the existing EEG signal acquisition device is solved, and convenient wearing and position adjustment on different hats are achieved, thereby improving the flexibility of use.
Patent Information
- Application Number
- CN202422045855.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-08-22
AI Technical Summary
Existing EEG signal acquisition devices cannot change the sensor position and the fixed settings cannot be adjusted, resulting in inconvenience in use.
The magnetic mechanism is designed to achieve adjustable fixation of the sensor through the cooperation and adsorption of the magnetic mechanism with the outside and inside of the cap body. The signal acquisition is achieved by combining the electrode head made of conductive material and the circuit board connection.
The convenient wearing and position adjustment of the EEG signal acquisition device on different hats is realized, which improves the flexibility and adaptability of use.
Smart Images

Figure CN223336120U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electroencephalogram (EEG) signal acquisition, and relates to a signal acquisition device, in particular to an EEG signal acquisition device, an EEG signal acquisition terminal and an EEG signal acquisition cap. Background Art
[0002] The EEG sensor is used to collect signals from the brain's epidermis. Existing EEG sensors are usually fixed to a cap; this arrangement makes it impossible to replace the EEG sensor.
[0003] Another way to set up the EEG sensors is to set fixing holes on the cap body and fix each EEG signal sensor on the set fixing hole; this setting method has a fixed position and cannot be moved as needed.
[0004] In view of this, there is an urgent need to design a new EEG signal acquisition device to overcome at least some of the above-mentioned defects of existing EEG signal acquisition devices. Utility Model Content
[0005] The utility model provides an electroencephalogram signal acquisition device, an electroencephalogram signal acquisition terminal and an electroencephalogram signal acquisition cap, which can be conveniently worn on different hats and can be adjusted in position on the hat as needed.
[0006] In order to solve the above technical problems, according to one aspect of the present invention, the following technical solutions are adopted:
[0007] An electroencephalogram (EEG) signal acquisition device, comprising: a host and at least one EEG signal acquisition terminal, wherein the host is connected to each EEG signal acquisition terminal;
[0008] The EEG signal acquisition terminal includes at least one EEG sensor mechanism, at least one clamp and an interface, wherein the interface is connected to each EEG sensor mechanism via a first cable, and the interface is connected to each clamp via a second cable; the interface is connected to the host;
[0009] The EEG sensing mechanism includes an EEG sensor and a first magnetic mechanism, and the EEG signal acquisition terminal also includes at least one second magnetic mechanism; the first magnetic mechanism can cooperate with the second magnetic mechanism for adsorption, and when the first magnetic mechanism and the second magnetic mechanism are respectively arranged on the outside and inside of the cap body, the first magnetic mechanism and the second magnetic mechanism can be adjusted to the position of the cap body and fixed to the cap body.
[0010] As an embodiment of the present invention, the EEG sensor includes a housing, a circuit board, and a plurality of electrode units; the circuit board is disposed in the housing, and the first end of each electrode unit is disposed in the housing; the first end of each electrode unit is connected to the circuit board;
[0011] The electrode unit includes an electrode head, an electrode shell and an elastic mechanism, wherein the elastic mechanism is arranged in the electrode shell; one end of the elastic mechanism is arranged at the bottom of the electrode shell, and the other end is fixed to the electrode head;
[0012] The electrode head is made of a conductive material, and the electrode housing and / or the elastic mechanism are made of a conductive material. The electrode head is connected to the circuit board via the electrode housing or the elastic mechanism to send the collected signal to the circuit board;
[0013] An opening is provided at the end of the electrode shell, and a portion of the electrode head is arranged outside the electrode shell through the opening; a limiting mechanism is provided at the end of the electrode head, so that a portion of the electrode head is located inside the electrode shell.
[0014] As an embodiment of the present invention, the shell may be provided with a groove for arranging the first magnetic mechanism; the first magnetic mechanism may cooperate with a second magnetic mechanism arranged outside the shell.
[0015] As an embodiment of the present invention, the host includes a processor, a wireless communication module and a power module, the power module is respectively connected to the processor and the wireless communication module, and the wireless communication module is connected to the processor.
[0016] As an embodiment of the present invention, the first magnetic mechanism and the second magnetic mechanism are opposite magnets.
[0017] According to another aspect of the present invention, the following technical solution is adopted: an EEG signal acquisition terminal, the EEG signal acquisition terminal comprising at least one EEG sensor mechanism, at least one clamping body, and an interface, the interface being connected to each EEG sensor mechanism via a first cable, the interface being connected to each clamping body via a second cable; the interface being capable of connecting to a host;
[0018] The EEG sensing mechanism includes an EEG sensor and a first magnetic mechanism, and the EEG signal acquisition terminal also includes at least one second magnetic mechanism; the first magnetic mechanism can cooperate with the second magnetic mechanism for adsorption, and when the first magnetic mechanism and the second magnetic mechanism are respectively arranged on the outside and inside of the cap body, the first magnetic mechanism and the second magnetic mechanism can be adjusted to the position of the cap body and fixed to the cap body.
[0019] As an embodiment of the present invention, the EEG sensor includes a housing, a circuit board, and a plurality of electrode units; the circuit board is disposed in the housing, and the first end of each electrode unit is disposed in the housing; the first end of each electrode unit is connected to the circuit board;
[0020] The electrode unit includes an electrode head, an electrode shell and an elastic mechanism, wherein the elastic mechanism is arranged in the electrode shell; one end of the elastic mechanism is arranged at the bottom of the electrode shell, and the other end is fixed to the electrode head;
[0021] The electrode head is made of a conductive material, and the electrode housing and / or the elastic mechanism are made of a conductive material. The electrode head is connected to the circuit board via the electrode housing or the elastic mechanism to send the collected signal to the circuit board;
[0022] An opening is provided at the end of the electrode shell, and a portion of the electrode head is arranged outside the electrode shell through the opening; a limiting mechanism is provided at the end of the electrode head, so that a portion of the electrode head is located inside the electrode shell.
[0023] As an embodiment of the present invention, the shell may be provided with a groove for arranging the first magnetic mechanism; the first magnetic mechanism may cooperate with a second magnetic mechanism arranged outside the shell.
[0024] As an embodiment of the present invention, the first magnetic mechanism and the second magnetic mechanism are opposite magnets.
[0025] According to another aspect of the present invention, the following technical solution is adopted: an EEG signal collection cap, the EEG signal collection cap comprising a cap body and the above-mentioned EEG signal collection device;
[0026] The first magnetic mechanism can cooperate with the second magnetic mechanism for adsorption. When the first magnetic mechanism and the second magnetic mechanism are arranged outside and inside the cap body, the first magnetic mechanism and the second magnetic mechanism can be adjusted to the position of the cap body and fixed to the cap body.
[0027] The beneficial effect of the present invention is that the EEG signal acquisition device, EEG signal acquisition terminal and EEG signal acquisition cap proposed in the present invention can be conveniently worn on different hats and the position on the hat can be adjusted as needed. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 This is a structural diagram of an EEG signal acquisition terminal in one embodiment of the present invention.
[0029] Figure 2 This is a schematic diagram of the use of the EEG signal acquisition device in one embodiment of the present utility model.
[0030] Figure 3 This is a schematic structural diagram of an EEG sensor in one embodiment of the present invention. DETAILED DESCRIPTION
[0031] The preferred embodiments of the present utility model are described in detail below with reference to the accompanying drawings.
[0032] In order to further understand the present invention, preferred embodiments of the present invention are described below in conjunction with examples. However, it should be understood that these descriptions are only for further illustrating the features and advantages of the present invention, rather than limiting the claims of the present invention.
[0033] The description in this section is only for several typical embodiments, and the present invention is not limited to the scope of the embodiments. The same or similar existing technical means and some technical features of the embodiments are interchangeable and fall within the scope of the description and protection of the present invention.
[0034] The term “connection” in the specification includes both direct connection and indirect connection.
[0035] The utility model discloses an electroencephalogram signal acquisition terminal. Figure 1 This is a structural diagram of an EEG signal acquisition terminal in one embodiment of the present invention. Figure 2 This is a schematic diagram of the use of the EEG signal acquisition device in one embodiment of the present invention; please refer to Figure 1 、 Figure 2 The EEG signal acquisition terminal 1 includes at least one EEG sensor mechanism 11, at least one clamp 12 and an interface 13. The interface 13 is connected to each EEG sensor mechanism 11 through a first cable 14, and the interface 13 is connected to each clamp 12 through a second cable 15; the interface 13 can be connected to the host 2.
[0036] The EEG sensing mechanism 11 includes an EEG sensor 16 and a first magnetic mechanism 17, and the EEG signal acquisition terminal 1 also includes at least one second magnetic mechanism 18; the first magnetic mechanism 17 can cooperate with the second magnetic mechanism 18 for adsorption, and when the first magnetic mechanism 17 and the second magnetic mechanism 18 are respectively arranged on the outside and inside of the cap body 3, the first magnetic mechanism 17 and the second magnetic mechanism 18 can be adjusted in position on the cap body 3 and fixed to the cap body 3. In one embodiment, the first magnetic mechanism 17 and the second magnetic mechanism 18 are opposite magnets; of course, one of the first magnetic mechanism 17 and the second magnetic mechanism 18 can be a magnet and the other can be a mechanism that can be adsorbed by a magnet (such as a mechanism containing metallic iron).
[0037] Figure 3 This is a schematic diagram of the structure of the EEG sensor in one embodiment of the present invention; please refer to Figure 3 In one embodiment of the present invention, the EEG sensor 16 includes a shell 161, a circuit board 162 and a plurality of electrode units 163; the circuit board 162 is arranged in the shell 161, and the first end of each electrode unit 163 is arranged in the shell 161; the first end of each electrode unit 163 is connected to the circuit board 162.
[0038] The electrode unit 163 includes an electrode head 164, an electrode housing 165, and an elastic mechanism 166. The elastic mechanism 166 is disposed within the electrode housing 165; one end of the elastic mechanism 166 is disposed at the bottom of the electrode housing 165, and the other end is fixed to the electrode head 164. The electrode head 164 is made of a conductive material, and the electrode housing 165 and / or the elastic mechanism 166 are also made of a conductive material. The electrode head 164 connects to the circuit board 162 through the electrode housing 165 or the elastic mechanism 166, transmitting the collected signals to the circuit board 162. An opening is defined at the end of the electrode housing 165, through which a portion of the electrode head 164 is disposed outside the electrode housing 165. A retaining mechanism 167 is provided at the end of the electrode head 164 to ensure that a portion of the electrode head 164 is positioned within the electrode housing 165.
[0039] In an embodiment of the present invention, the housing 161 may be provided with a groove for arranging the first magnetic mechanism 17 ; the first magnetic mechanism 17 may cooperate with the second magnetic mechanism 18 disposed outside the housing 161 .
[0040] The utility model also discloses an electroencephalogram signal acquisition device. Figure 2 This is a schematic diagram of the use of the EEG signal acquisition device in one embodiment of the present invention; please refer to Figure 2 The EEG signal acquisition device includes: a host 2 and at least one EEG signal acquisition terminal 1, the host 2 is connected to each EEG signal acquisition terminal 1; the structure of the EEG signal acquisition terminal can be seen in the above description.
[0041] The utility model further discloses an EEG signal collection cap, please refer to Figure 3 The EEG signal acquisition cap includes a cap body 3 and the above-mentioned EEG signal acquisition device. The first magnetic mechanism can cooperate with the second magnetic mechanism for adsorption. When the first magnetic mechanism and the second magnetic mechanism are arranged on the outside and inside of the cap body, the first magnetic mechanism and the second magnetic mechanism can be adjusted and fixed to the cap body.
[0042] In summary, the EEG signal acquisition device, EEG signal acquisition terminal and EEG signal acquisition cap proposed in the present invention can be conveniently worn on different hats and their positions on the hats can be adjusted as needed.
[0043] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0044] The description and application of the present invention here are illustrative and are not intended to limit the scope of the present invention to the above-mentioned embodiments. The effects or advantages involved in the embodiments may not be reflected in the embodiments due to interference from various factors, and the description of the effects or advantages is not used to limit the embodiments. Variations and changes to the embodiments disclosed here are possible, and replacements and various equivalent components of the embodiments are well known to those of ordinary skill in the art. It should be clear to those skilled in the art that, without departing from the spirit or essential characteristics of the present invention, the present invention can be implemented in other forms, structures, arrangements, proportions, and with other components, materials and parts. Other variations and changes can be made to the embodiments disclosed here without departing from the scope and spirit of the present invention.
Claims
1. An electroencephalogram signal acquisition device, characterized in that: The EEG signal acquisition device comprises: a host and at least one EEG signal acquisition terminal, wherein the host is connected to each EEG signal acquisition terminal; The EEG signal acquisition terminal includes at least one EEG sensor mechanism, at least one clamp and an interface, wherein the interface is connected to each EEG sensor mechanism via a first cable, and the interface is connected to each clamp via a second cable; the interface is connected to the host; The EEG sensing mechanism includes an EEG sensor and a first magnetic mechanism, and the EEG signal acquisition terminal also includes at least one second magnetic mechanism; the first magnetic mechanism can cooperate with the second magnetic mechanism for adsorption, and when the first magnetic mechanism and the second magnetic mechanism are respectively arranged on the outside and inside of the cap body, the first magnetic mechanism and the second magnetic mechanism can be adjusted to the position of the cap body and fixed to the cap body.
2. The EEG signal acquisition device according to claim 1, characterized in that: The EEG sensor includes a housing, a circuit board, and a plurality of electrode units; the circuit board is disposed in the housing, and the first end of each electrode unit is disposed in the housing; the first end of each electrode unit is connected to the circuit board; The electrode unit includes an electrode head, an electrode shell and an elastic mechanism, wherein the elastic mechanism is arranged in the electrode shell; one end of the elastic mechanism is arranged at the bottom of the electrode shell, and the other end is fixed to the electrode head; The electrode head is made of a conductive material, and the electrode housing and / or the elastic mechanism are made of a conductive material. The electrode head is connected to the circuit board via the electrode housing or the elastic mechanism to send the collected signal to the circuit board; An opening is provided at the end of the electrode shell, and a portion of the electrode head is arranged outside the electrode shell through the opening; a limiting mechanism is provided at the end of the electrode head, so that a portion of the electrode head is located inside the electrode shell.
3. The EEG signal acquisition device according to claim 2, characterized in that: The shell may be provided with a groove for arranging the first magnetic mechanism; the first magnetic mechanism may cooperate with a second magnetic mechanism arranged outside the shell.
4. The EEG signal acquisition device according to claim 1, wherein: The host includes a processor, a wireless communication module and a power module. The power module is connected to the processor and the wireless communication module respectively, and the wireless communication module is connected to the processor.
5. The EEG signal acquisition device according to claim 3, characterized in that: The first magnetic mechanism and the second magnetic mechanism are magnets of opposite polarities.
6. An electroencephalogram signal acquisition terminal, characterized in that: The EEG signal acquisition terminal includes at least one EEG sensor mechanism, at least one clamping body, and an interface, wherein the interface is connected to each EEG sensor mechanism via a first cable, and the interface is connected to each clamping body via a second cable; the interface can be connected to a host; The EEG sensing mechanism includes an EEG sensor and a first magnetic mechanism, and the EEG signal acquisition terminal also includes at least one second magnetic mechanism; the first magnetic mechanism can cooperate with the second magnetic mechanism for adsorption, and when the first magnetic mechanism and the second magnetic mechanism are respectively arranged on the outside and inside of the cap body, the first magnetic mechanism and the second magnetic mechanism can be adjusted to the position of the cap body and fixed to the cap body.
7. The EEG signal acquisition terminal according to claim 6, characterized in that: The EEG sensor includes a housing, a circuit board, and a plurality of electrode units; the circuit board is disposed in the housing, and the first end of each electrode unit is disposed in the housing; the first end of each electrode unit is connected to the circuit board; The electrode unit includes an electrode head, an electrode shell and an elastic mechanism, wherein the elastic mechanism is arranged in the electrode shell; one end of the elastic mechanism is arranged at the bottom of the electrode shell, and the other end is fixed to the electrode head; The electrode head is made of a conductive material, and the electrode housing and / or the elastic mechanism are made of a conductive material. The electrode head is connected to the circuit board via the electrode housing or the elastic mechanism to send the collected signal to the circuit board; An opening is provided at the end of the electrode shell, and a portion of the electrode head is arranged outside the electrode shell through the opening; a limiting mechanism is provided at the end of the electrode head, so that a portion of the electrode head is located inside the electrode shell.
8. The EEG signal acquisition terminal according to claim 7, characterized in that: The shell may be provided with a groove for arranging the first magnetic mechanism; the first magnetic mechanism may cooperate with a second magnetic mechanism arranged outside the shell.
9. The EEG signal acquisition terminal according to claim 8, characterized in that: The first magnetic mechanism and the second magnetic mechanism are magnets of opposite polarities.
10. An EEG signal collection cap, characterized in that: The EEG signal acquisition cap comprises a cap body and the EEG signal acquisition device according to any one of claims 1 to 5; The first magnetic mechanism can cooperate with the second magnetic mechanism for adsorption. When the first magnetic mechanism and the second magnetic mechanism are arranged outside and inside the cap body, the first magnetic mechanism and the second magnetic mechanism can be adjusted to the position of the cap body and fixed to the cap body.