CN211583144U - Electroencephalogram acquisition device, head-mounted electroencephalogram acquisition device and system - Google Patents
Electroencephalogram acquisition device, head-mounted electroencephalogram acquisition device and system Download PDFInfo
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- CN211583144U CN211583144U CN201922382908.4U CN201922382908U CN211583144U CN 211583144 U CN211583144 U CN 211583144U CN 201922382908 U CN201922382908 U CN 201922382908U CN 211583144 U CN211583144 U CN 211583144U
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Abstract
The application relates to the technical field of intelligent equipment manufacturing, in particular to an electroencephalogram acquisition device, a head-mounted electroencephalogram acquisition device and a system. The application provides a pair of brain electricity collection system includes: the back surface of the base is used for being operably connected to the electroencephalogram acquisition head-mounted device, and the front surface of the base is used for bearing the circuit board and the telescopic mechanism; the circuit board is fixedly connected to the front surface of the base, and a signal circuit is arranged in the circuit board and used for transmitting the electroencephalogram signals to an upper computer system; at least one telescopic machanism, including the base of near-end and the first end of distal end, base operation is connected to circuit board and base, the first end is in telescopic conflict of telescopic machanism's extension direction is to head skin, telescopic machanism is used for gathering brain electrical signal and transmits to the circuit board.
Description
Technical Field
The application relates to the technical field of intelligent equipment manufacturing, in particular to an electroencephalogram acquisition device, a head-mounted electroencephalogram acquisition device and a system.
Background
Electroencephalography (EEG) is the recording of electrical activity along the scalp. EEG measures voltage fluctuations caused by current flow between neurons of the brain. Generally, EEG instruments are clinical multichannel devices for measuring and displaying brain waves of a user. The brain waves of a user are monitored by using a number of electrodes (such as the international 10-20 system) placed in contact with the scalp in a predetermined pattern. Intermediate positions were added to form a 10-10 system (guideline for standard electrode position nomenclature, american clinical neurophysiology association, 2006). This placement system is an internationally recognized method for placing electrodes on the scalp of a user, which is developed to ensure that standardized reproducibility is achieved so that studies of users can be compared over time and users can be compared to each other.
In the implementation of some brain wave collecting devices, collecting equipment is based on wet electrodes, and a user needs to paint conductive paste before using the brain wave signal collecting equipment so as to reduce the influence of the stratum corneum on the collection of brain wave signals, and meanwhile, the painting of the conductive paste needs to be carried out under the assistance of outsiders.
However, the above-mentioned apparatus requires professional guidance when worn in use, and the apparatus is heavy, is not comfortable enough, and has a relatively high cost.
SUMMERY OF THE UTILITY MODEL
The application provides an electroencephalogram acquisition device, a head-mounted electroencephalogram acquisition device and a system, and the problems of complexity in operation, large weight and insufficient comfort of electroencephalogram equipment can be solved to a certain extent by arranging an extensible mechanism capable of being operatively connected on a circuit board and a base.
The embodiment of the application is realized as follows:
a first aspect of an embodiment of the present application provides an electroencephalogram acquisition apparatus, including: the back surface of the base is used for being operably connected to the electroencephalogram acquisition head-mounted device, and the front surface of the base is used for bearing the circuit board and the telescopic mechanism; the circuit board is fixedly connected to the front surface of the base, and a signal circuit is arranged in the circuit board and used for transmitting the electroencephalogram signals to an upper computer system; at least one telescopic machanism, its one end is operatable to be connected to circuit board and base, and the scalable conflict of other end is to head skin, telescopic machanism the telescopic machanism is used for gathering brain electrical signal and transmits to the circuit board.
Optionally, the telescoping mechanism comprises: a proximal base operatively connected to the circuit board and base; the first end part of the far end is in telescopic collision with the skin of the head in the extension direction of the telescopic mechanism.
Optionally, the telescopic elastic mechanism comprises: the fixing part comprises the base, a cavity is formed in the fixing part, and a clamping structure for performing telescopic limiting on the movable part is arranged at the second end part of the far end of the fixing part; the movable part that contains first end, the proximal end of movable part is provided with the block structure that card structure matches, the movable part is in the inside scalable removal of fixed part.
Optionally, the fixed part is internally provided with an elastic device, a proximal end of the elastic device is connected to the base, and a distal end of the elastic device is connected to the proximal end of the movable part.
Optionally, the telescopic mechanism is made of a metal material, and a gold-plated coating is arranged on the surface of the telescopic mechanism and has a conductive function and an anti-oxidation effect.
Optionally, the telescopic mechanism is made of a plastic material, and a silver chloride coating is plated on the surface of the telescopic mechanism and has a conductive function and an antioxidant effect.
Optionally, a signal line base is arranged on the surface of the circuit board, and the signal line base is provided with a cable for outputting the electroencephalogram signals carried by the circuit board signal circuit.
Optionally, the connection circuit of the telescopic mechanism is connected in parallel to the circuit board, and the electric signal acquired by any telescopic mechanism can be transmitted to the circuit board.
Optionally, the cable is a radio frequency cable wrapped with a shielding layer.
Optionally, the telescoping mechanism is operatively connected to the circuit board and the base by a snap fit, and the proximal end of the movable member is connected to the base of the stationary member by a wire.
A second aspect of the embodiments of the present application provides a head-mounted electroencephalogram acquisition device, including any one of the contents of the utility model provided as the first aspect of the embodiments of the present application.
A third aspect of embodiments of the present application provides a system, comprising: according to the utility model provides in the first aspect of the embodiment of this application arbitrary the brain electricity collection system, memory, treater and the computer program of storage on the memory, the treater is configured to be used for the analysis when carrying out the computer program the brain electricity signal.
The beneficial effect of this application: the telescopic mechanisms which can be operatively connected are arranged on the circuit board and the base, so that the acquisition device can be closer to the skin of the head, and the signal acquisition effect is improved; furthermore, the connecting circuits of the telescopic mechanisms are connected in parallel on the circuit board, so that electric signals acquired by any telescopic mechanism can be transmitted to the circuit board, and the success probability of signal acquisition can be improved; furthermore, the coating is arranged on the telescopic mechanism, so that the oxidation resistance and the electric conduction effect of the electroencephalogram acquisition device can be improved, and the stability of signal acquisition is improved; further, the telescopic mechanism is connected to the circuit board and the base in a buckling mode, and the operation complexity of the electroencephalogram acquisition device can be reduced.
Drawings
Specifically, in order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without any creative effort.
FIG. 1 is a schematic main view of an electroencephalogram acquisition apparatus 100 according to an embodiment of the present application;
FIG. 2 shows a front view of an electroencephalogram acquisition apparatus 100 according to an embodiment of the present application;
FIG. 3 shows a side view of the brain electrical acquisition device 100 of an embodiment of the present application;
FIG. 4 shows a cross-sectional view of an electroencephalogram acquisition apparatus 100 according to an embodiment of the present application;
FIG. 5 is a sectional view showing a telescoping mechanism of the electroencephalogram acquisition device in the embodiment of the application;
icon: 100-an electroencephalogram acquisition device; 110-a base; 120-a circuit board; 121-signal line base; 122-a cable; 130-a telescoping mechanism; 131-a base; 132-a first end; 133-a stationary part; 134-a second end; 135-a movable part; 136-elastic means.
Detailed Description
Certain exemplary embodiments will now be described to provide an overall understanding of the principles of the structure, function, manufacture, and use of the devices and methods disclosed herein. One or more examples of these embodiments are illustrated in the accompanying drawings. Those of ordinary skill in the art will understand that the devices and methods specifically described herein and illustrated in the accompanying drawings are non-limiting exemplary embodiments and that the scope of the various embodiments of the present application is defined solely by the claims. Features illustrated or described in connection with one exemplary embodiment may be combined with features of other embodiments. Such modifications and variations are intended to be included within the scope of the present application.
Reference throughout this specification to "embodiments," "some embodiments," "one embodiment," or "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in various embodiments," "in some embodiments," "in at least one other embodiment," or "in an embodiment" or the like throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, the particular features, structures, or characteristics shown or described in connection with one embodiment may be combined, in whole or in part, with the features, structures, or characteristics of one or more other embodiments, without limitation. Such modifications and variations are intended to be included within the scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used for convenience of description and simplicity of description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or overhanging, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The terms "proximal" and "distal" are used herein with respect to a user operating the brain electrical acquisition device. The term "proximal" refers to the portion closest to the circuit board 120 and the base 110, and the term "distal" refers to the portion away from the circuit board 120 and the base 110. It will be further appreciated that for simplicity and clarity, spatial terms such as "vertical", "horizontal", "up" and "down" may be used herein in connection with the drawings. However, brain electrical acquisition devices are used in many orientations and positions, and these terms are not limiting and/or absolute.
Fig. 1 shows a schematic structural diagram of an electroencephalogram acquisition device according to an embodiment of the present application.
The electroencephalogram acquisition device 100 of the present embodiment includes a base 110, a back side of which is used for being operatively connected to a common electroencephalogram acquisition head-mounted device, and specifically, can be connected to an interior or other locations thereof, and a front side of which is used for carrying a circuit board 120 and a telescoping mechanism 130.
In some embodiments, the base 110 has a thickness and may be shaped as a disk. In order to be in wired connection with an upper computer, the base is further provided with a bar-shaped opening for cable routing, and it needs to be explained that the opening also has the function of fixing the cable, so that the cable is prevented from being pulled and the radio frequency base is prevented from being damaged.
The circuit board 120 is fixedly installed on the front surface of the base 110, and a signal circuit is arranged in the circuit board and used for transmitting the electroencephalogram signals collected by the electroencephalogram collecting device to an upper computer system. The units of the telescopic mechanisms 130 are the same in the circuit board 120, and the internal circuits of the circuit board are in an interconnected state; the circuit board also has a certain bearing function, and some parts can be more stably fixed on the surface of the circuit board through the matching with the base.
It should be noted that, the signal circuit inside the circuit board 120 is connected to the telescopic mechanisms 130, and the signal circuit inside the circuit board is connected in parallel, any one of the telescopic mechanisms 130 can acquire an electrical signal, and the electroencephalogram signal acquisition device can acquire an electroencephalogram signal.
Fig. 4 shows a cross-sectional view of the brain electrical acquisition device 100 according to the embodiment of the present application.
FIG. 5 shows a cross-sectional view of the telescoping mechanism of the electroencephalogram acquisition device in the embodiment of the application.
At least one telescoping mechanism 130 including a proximal base 131 operably connected to the circuit board 120 and the base 110 and a distal first end 132. The first end 132 can be telescopically abutted against the skin of the head in the extending direction of the telescopic mechanism 130, i.e. the telescopic mechanism can be considered to be substantially cylindrical in shape, and the first end can be telescopically extended in the longer direction of the cylindrical shape to adapt to the skin of the head. The telescoping mechanism 130 is used for collecting electroencephalogram signals and transmitting the electroencephalogram signals to a signal circuit inside the circuit board 120, and further the circuit board transmits the electroencephalogram signals to an upper computer system connected with the circuit board. In this embodiment, the number of the telescopic mechanisms is not particularly limited, and may be specifically set according to actual situations, as shown in fig. 2.
In some embodiments, the number of the telescopic mechanisms 130 may be specifically 5, and the 5 telescopic mechanisms are uniformly arranged on the surface of the circuit board in a circumferential manner, so that the advantage of the arrangement is that the electroencephalogram signal is acquired more uniformly, and the accuracy is higher.
In some embodiments, the telescopic mechanism 130 may further include:
the fixing member 133 including the base 131, that is, the telescopic mechanism 130 includes a fixing member including a bottom 131, a cavity is formed inside the fixing member 133, the shape of the cavity may match the shape of the movable member 135, and a second end 134 of a distal end of the fixing member 133 is provided with a locking structure for limiting the telescopic movement of the movable member 135.
In this embodiment, the locking structure is specifically configured as a closing structure, that is, the opening diameter of the distal opening portion of the fixed component is reduced, so that the portion of the movable component 135, which includes the blocking structure, at the proximal end thereof can be locked by the second section 134 in the expansion process, thereby achieving the purpose of limiting, as shown in fig. 2 and 3.
The telescopic elastic structure 130 further comprises a movable part 135 comprising a first end 132. The proximal end of the movable component is provided with a blocking structure matched with the locking structure, and the blocking structure is specifically configured in this embodiment such that the proximal end of the movable component 135 is provided with a protruding structure, so that the protruding structure can be limited by the locking structure.
In some embodiments, the cavity inside the fixed part 133 is further provided with an elastic means 136, the proximal end of which is connected to the base 131 and the distal end of which is connected to the proximal bottom surface of the movable part 135. The movable part 135 is acted by the elastic device 136 in the stretching process, so that the stretching elastic hook 130 can be well contacted with the skin of the head, and the electroencephalogram signal acquisition precision is improved, as shown in fig. 4.
In some embodiments, the telescoping mechanism 130 is made of a metal material, and the surface, including the end portions, of the telescoping mechanism is provided with an anti-oxidation gold-plated coating, and the surface gold-plating can achieve effective anti-oxidation and anti-wear effects; meanwhile, the gold-plated coating has good conductivity, and the gold-plated coating can keep and improve the stability of the electroencephalogram acquisition device 100.
In some embodiments, the telescoping mechanism 130 is made of a plastic material, and the surface, including the ends, of the telescoping mechanism is coated with a silver chloride coating, which has a conductive function and an anti-oxidation effect, and also has a certain anti-wear effect, and the coating can maintain and improve the stability of the electroencephalogram acquisition device 100.
In some embodiments, a signal line base 121 is disposed on the surface of the circuit board 120, the signal line base is provided with a cable 122 for outputting an electroencephalogram signal carried by a signal circuit of the circuit board 120, and the cable can be further wired on the surface or inside of the base 110, so as to achieve the purposes of protecting the cable and being attractive.
In some embodiments, the cable 122 is a radio frequency cable wrapped with a shielding layer, and the electroencephalogram signal collected by the telescopic mechanism 130 is transmitted to the radio frequency cable through a signal circuit inside the circuit board 120, and further transmitted to the electroencephalogram collection device and the upper computer system. And the radio frequency cable wrapped with the shielding layer can effectively prevent the interference of the outside world on the acquired brain wave signals.
In some embodiments, the telescoping mechanism 130 is operatively coupled to the circuit board 120 and the base 110 via a snap-fit connection, where coupling to the circuit board 120 may be considered a direct connection and coupling the telescoping mechanism 130 to the base 110 may be considered an indirect connection. In some implementations, the telescoping mechanism may be operably connected to the base 110 by passing through the circuit board 120 for improved stability of the telescoping mechanism. In this implementation, the proximal end of the movable member 135 is connected to the base 131 of the movable member by a wire, thereby transferring the brain electrical signal to the circuit board 120.
The application also provides a head-wearing electroencephalogram acquisition device, the internal part or the components of the head-wearing electroencephalogram acquisition device comprise the electroencephalogram acquisition device provided by the embodiment of the text application, the specific structure and the implementation mode are already explained, and the description is omitted here.
The present application further provides a system comprising any of the brain electrical acquisition devices described above, a memory, a processor, and a computer program stored on the memory, the processor, when executing the computer program, being configured to analyze the brain electrical signal.
Moreover, those skilled in the art will appreciate that aspects of the present application may be illustrated and described in terms of several patentable species or situations, including any new and useful combination of processes, machines, manufacture, or materials, or any new and useful improvement thereon. Accordingly, various aspects of the present application may be embodied entirely in hardware, entirely in software (including firmware, resident software, micro-code, etc.) or in a combination of hardware and software. The above hardware or software may be referred to as "data blocks," modules, "" engines, "" units, "" components, "or" systems. Furthermore, aspects of the present application may be represented as a computer product, including computer readable program code, embodied in one or more computer readable media.
The computer memory may comprise a propagated data signal with computer program code embodied therein, for example, on a baseband or as part of a carrier wave. The propagated signal may take any of a variety of forms, including electromagnetic, optical, etc., or any suitable combination. A computer storage medium may be any computer-readable medium that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code located on a computer storage medium may be propagated over any suitable medium, including radio, cable, fiber optic cable, RF, or the like, or any combination of the preceding.
Computer program code required for the operation of various portions of the present application may be written in any one or more programming languages, including an object oriented programming language such as Java, Scala, Smalltalk, Eiffel, JADE, Emerald, C + +, C #, VB.NET, Python, and the like, a conventional programming language such as C, Visual Basic, Fortran 2003, Perl, COBOL 2002, PHP, ABAP, a dynamic programming language such as Python, Ruby, and Groovy, or other programming languages, and the like. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the latter scenario, the remote computer may be connected to the user's computer through any network format, such as a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet), or in a cloud computing environment, or as a service, such as a software as a service (SaaS).
Additionally, the order in which elements and sequences of the processes described herein are processed, the use of alphanumeric characters, or the use of other designations, is not intended to limit the order of the processes and methods described herein, unless explicitly claimed. While various presently contemplated embodiments have been discussed in the foregoing disclosure by way of example, it should be understood that such detail is solely for that purpose and that the appended claims are not limited to the disclosed embodiments, but, on the contrary, are intended to cover all modifications and equivalent arrangements that are within the spirit and scope of the embodiments herein disclosed. For example, although the system components described above may be implemented by hardware devices, they may also be implemented by software-only solutions, such as installing the described system on an existing server or mobile device.
Similarly, it should be noted that in the preceding description of embodiments of the present application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to require more features than are expressly recited in the claims. Indeed, the embodiments may be characterized as having less than all of the features of a single embodiment disclosed above.
The entire contents of each patent, patent application publication, and other material cited in this application, such as articles, books, specifications, publications, documents, and the like, are hereby incorporated by reference into this application. Except where the application is filed in a manner inconsistent or contrary to the present disclosure, and except where the claim is filed in its broadest scope (whether present or later appended to the application) as well. It is noted that the descriptions, definitions and/or use of terms in this application shall control if they are inconsistent or contrary to the statements and/or uses of the present application in the material attached to this application.
Claims (12)
1. An electroencephalogram acquisition device, comprising:
the back surface of the base is used for being operably connected to the electroencephalogram acquisition head-mounted device, and the front surface of the base is used for bearing the circuit board and the telescopic mechanism;
the circuit board is fixedly connected to the front surface of the base, and a signal circuit is arranged in the circuit board and used for transmitting the electroencephalogram signals to an upper computer system;
at least one telescopic machanism, its one end is operatable to be connected to circuit board and base, and the scalable conflict of other end is to head skin, telescopic machanism the telescopic machanism is used for gathering brain electrical signal and transmits to the circuit board.
2. The brain electrical acquisition device of claim 1, wherein the telescoping mechanism comprises:
a proximal base operatively connected to the circuit board and base; the first end part of the far end is in telescopic collision with the skin of the head in the extension direction of the telescopic mechanism.
3. The brain electrical acquisition device of claim 2, wherein the telescoping mechanism comprises:
the fixing part comprises the base, a cavity is formed in the fixing part, and a clamping structure for performing telescopic limiting on the movable part is arranged at the second end part of the far end of the fixing part;
the movable part that contains first end, the proximal end of movable part is provided with the block structure that card structure matches, the movable part is in the inside scalable removal of fixed part.
4. The brain electrical acquisition device of claim 3, wherein an elastic device is disposed inside the stationary member, and has a proximal end connected to the base and a distal end connected to the proximal end of the movable member.
5. The electroencephalogram acquisition device according to claim 1, wherein the telescoping mechanism is made of a metal material, and a gold-plated coating is arranged on the surface of the telescoping mechanism, and the gold-plated coating has a conductive function and an anti-oxidation effect.
6. The electroencephalogram acquisition device according to claim 1, wherein the telescoping mechanism is made of a plastic material, and a silver chloride coating is plated on the surface of the telescoping mechanism, and the silver chloride coating has a conductive function and an anti-oxidation effect.
7. The electroencephalogram acquisition device according to claim 1, wherein a signal wire base is arranged on the surface of the circuit board, and the signal wire base is provided with a cable for outputting an electroencephalogram signal carried by a signal circuit of the circuit board.
8. The electroencephalogram acquisition device according to claim 1, wherein the connection circuits of the telescopic mechanisms are connected in parallel on the circuit board, and an electric signal acquired by any one telescopic mechanism can be transmitted to the circuit board.
9. The electroencephalograph acquisition device of claim 7, wherein the cable is a radio frequency cable wrapped with a shielding layer.
10. The brain electrical acquisition device of claim 3, wherein the telescoping mechanism is operatively connected to the circuit board and the base by a snap fit, the proximal end of the movable member being connected to the base of the stationary member by a wire.
11. A head-worn electroencephalograph acquisition device comprising the electroencephalograph acquisition device of any one of claims 1 to 10.
12. A system, comprising:
the brain electrical acquisition apparatus of any one of claims 1-10, a memory, a processor, and a computer program stored on the memory, the computer program when executed by the processor being configured for analyzing the brain electrical signal.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112315483A (en) * | 2020-11-30 | 2021-02-05 | 西安慧脑智能科技有限公司 | Electrode self-adjustment method and device based on electroencephalogram signal acquisition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112315483A (en) * | 2020-11-30 | 2021-02-05 | 西安慧脑智能科技有限公司 | Electrode self-adjustment method and device based on electroencephalogram signal acquisition |
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