CN117179749A - Acquisition device for motion signals and electroencephalogram signals - Google Patents

Abstract

The invention provides a motion signal and electroencephalogram signal acquisition device, which relates to the field of signal acquisition and comprises a head band body and a control unit, wherein the head band body comprises a first connecting band and a second connecting band; the first connecting belt is respectively connected with two ends of the second connecting belt to form a closed loop structure surrounding the head; the first connecting belt comprises at least one adjusting belt and at least one fixing belt, and the adjusting belt and the fixing belt are alternately arranged along the length direction of the first connecting belt, so that the wearing comfort of a user is improved; an electroencephalogram signal acquisition component is arranged on the second connecting band; the control unit is arranged on the headband body and comprises a motion signal acquisition module and an electroencephalogram signal collection module; the electroencephalogram signal collection module is connected with the electroencephalogram signal collection component through an electrode wire; the first connecting band and the second connecting band can be detached, are convenient for satisfy different head circumference users' signal acquisition demands, improve the accuracy of gathering.

Description

Acquisition device for motion signals and electroencephalogram signals

Technical Field

The invention relates to the field of signal acquisition, in particular to a device for acquiring motion signals and brain electrical signals.

Background

Along with the improvement of living standard, people have a higher and higher attention to self health problems. Moreover, detection devices for multi-azimuth detection of physiological parameters of the human body are increasingly being applied to evaluate the true health level of the human body.

The following problems are often encountered in the practical use of the existing multi-parameter acquisition device:

1. the acquisition device is generally of a fixed size, and for users with oversized head circumference, the situation that the user cannot wear the device or wears the device too tightly can occur, and the user can easily generate myoelectricity interference after wearing the device too tightly, so that more electrode noise is generated; for the user with too small head circumference, the degree of adhesion between the electroencephalogram acquisition component and the skin of the user is not high, and the acquired electroencephalogram signals are weak.

2. The volume of collection system is too big, and the wearing mode is not simple and convenient, and the comfort level of wearing for a long time is low, and can't satisfy individualized user's signal acquisition demand, and user's use experience degree is low.

Therefore, a motion signal and electroencephalogram signal acquisition device is required.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a motion signal and electroencephalogram signal acquisition device, the comfort level of wearing of a user is improved through alternately arranging the fixing belts and the adjusting belts, the first connecting belt and the second connecting belt are detachable, the signal acquisition requirements of different users are conveniently met, and the accuracy of signal acquisition is improved.

The aim of the invention can be achieved by the following technical scheme:

according to an object of the present invention, there is provided a motion signal and brain signal acquisition device comprising: a headband body and a control unit;

the headband body comprises a first connecting band and a second connecting band; the first connecting belt is respectively connected with two ends of the second connecting belt to form a closed loop structure surrounding the head;

the first connecting belt comprises at least one adjusting belt and at least one fixing belt, and the adjusting belt and the fixing belt are alternately arranged along the length direction of the first connecting belt; an electroencephalogram signal acquisition component is arranged on the second connecting band;

the control unit is arranged on the headband body and comprises a motion signal acquisition module and an electroencephalogram signal collection module; the electroencephalogram signal collection module is connected with the electroencephalogram signal collection assembly through an electrode wire.

As a preferred embodiment, the control unit further comprises a protective housing; the protective housing is adapted to be fixed on the bandeau body, offer on the protective housing and supply the round hole that the electrode line penetrated.

As a preferred embodiment, the protective shell is provided with a first limiting piece, at least one fixing strap is provided with a second limiting piece, and the first limiting piece and the second limiting piece are detachably connected.

As a preferred embodiment, the electroencephalogram signal acquisition component comprises a plurality of electrode pieces, and the electrode pieces are arranged on the second connecting band at intervals.

As a preferred embodiment, the electrode member comprises an electrode base and an electrode sheet, the electrode base being adapted to the electrode sheet;

a through hole matched with the electrode base is formed in the second connecting band; the electrode base is fixed on the through hole and comprises an electric wire connecting part and an electrode connecting part, the electric wire connecting part is positioned at the outer side of the second connecting belt, and the electrode connecting part is positioned at the inner side of the second connecting belt;

the buckle of the electrode plate is buckled with the electrode connecting part of the electrode base.

As a preferred embodiment, the number of the electrode bases is 5, and the wire connection parts of the four surrounding electrode bases are connected in series with the electroencephalogram signal collection module through a first electrode wire; the wire connecting part of the electrode base in the middle is connected with the electroencephalogram signal collecting module in series through a second electrode wire.

As a preferred embodiment, a protection surface is further provided on the outer side of the second connection strap, and the electrode wire is located between the second connection strap and the protection surface.

As a preferred embodiment, the second connection strap is detachably connected to the first connection strap.

As a preferred embodiment, the two ends of the first connecting belt are respectively provided with a first connecting member, the two ends of the second connecting belt are respectively provided with a second connecting member adapted to the first connecting member, and a plurality of second connecting members are arranged at intervals along the length direction of the second connecting belt.

As a preferred embodiment, the adjusting belt is provided with an adjusting buckle and/or the adjusting belt is a resilient adjusting belt.

Compared with the prior art, the technical scheme has the following advantages:

1. the first connecting band is provided with at least one adjusting band, moreover, the first connecting band can dismantle with the second connecting band and connect, and the both ends of first connecting band are provided with first connecting piece respectively, and the both ends of second connecting band are provided with the second connecting piece with first connecting piece adaptation respectively, and a plurality of second connecting pieces set up according to the length direction interval of second connecting band to be suitable for the user of different head and surrounding, avoid appearing because wearing the noise interference that the too tight leads to, and avoid appearing because wearing the weaker condition of collection data that the pine leads to.

2. The head band body only comprises an electroencephalogram signal acquisition component and a protective shell, and the acquisition device is convenient to carry and wear; the adjusting belts and the fixing belts are alternately arranged on the headband body, so that wearing comfort of a user is improved.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a motion signal and electroencephalogram signal acquisition device according to an embodiment of the present disclosure;

fig. 2 is a schematic side view of a structure of a motion signal and electroencephalogram signal acquisition device according to an embodiment of the present disclosure;

fig. 3 is another schematic structural diagram of a motion signal and electroencephalogram signal acquisition device according to an embodiment of the present disclosure;

fig. 4 is another schematic perspective view of a motion signal and electroencephalogram signal acquisition device according to an embodiment of the present disclosure;

FIG. 5 is an expanded view of the inside of the first and second connecting bands provided in the embodiments of the present disclosure;

fig. 6 is an expanded schematic view of an inner side of a motion signal and electroencephalogram signal acquisition device according to an embodiment of the present disclosure;

fig. 7 is an expanded schematic view of an outer side of a motion signal and electroencephalogram signal acquisition device according to an embodiment of the present disclosure.

In the figure: the device comprises a first connecting belt, a 11 adjusting belt, a 12 fixing belt, a 13 first connecting piece, a 2 second connecting belt, a 21 protection surface, a 22 second connecting piece, a 3 brain electrical signal acquisition component, a 31 electrode plate, a 4 control unit, a 41 protection shell, a 411 round hole, a 412 clamping piece, a 5 electrode wire, a 51 first electrode wire and a 52 second electrode wire.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

At present, a motion signal acquisition technology and an electroencephalogram signal acquisition technology are widely applied, and important progress is made in different fields. Conventionally, a motion signal acquisition module, such as a nine-axis motion sensor, is widely used in fields of motion analysis, gesture detection, gesture recognition, virtual reality, game control, and the like. They can provide accurate motion data to help researchers, doctors and engineers better understand body motion and posture changes. On the other hand, the brain-electrical signal recording and analyzing technology has become an important tool in the fields of neuroscience, brain-computer interfaces, sleep research and the like. The brain electrical signals reflect the electrical activity of cortical neurons and can provide critical information about brain functions such as cognition, emotion, movement and sleep. By analyzing the brain electrical signals, researchers can study brain diseases, cognitive processes, brain-computer interfaces, sleep quality, sleep disorders, and the like.

The human body is an integral body with extremely strong circulation uniformity, and the acquisition and monitoring of multiple physiological parameters can bring more accurate and comprehensive analysis basis for the fields of motion analysis, brain-computer interfaces, health management, sleep research and the like.

However, in the prior art, the acquisition of nine-axis signals and electroencephalogram signals is often carried out separately. The patent attempts to combine the two to collect, but the size of the devices is too large, the wearing mode is not simple and convenient enough, the practical application of the devices in daily life and the comfort level of wearing for a long time are limited, and the user experience level is not high. In addition, the size of most devices is fixed, and in the actual signal acquisition process, the situation that the device cannot be worn or is too tight after being worn possibly occurs for users with too large head circumference, and more noise interference is easily generated after being worn; for users with too small head circumference, the degree of adhesion between the electroencephalogram acquisition component and the skin of the users is not high, the acquired electroencephalogram signals are weak, signals of the users cannot be extracted, and then accurate signal analysis results cannot be obtained.

Based on this, in order to improve accuracy of data acquisition and improve use experience of a user, as shown in fig. 1-2, the present invention provides an electroencephalogram signal and motion signal acquisition device, including: a headband body and a control unit 4;

the headband body can be worn on the head of a user, such as the forehead of the user, and the control unit 4 is used for measuring the electroencephalogram signal of the user and the motion signal of the user;

wherein the headband body comprises a first connecting band 1 and a second connecting band 2; the first connecting strap 1 is respectively connected with two ends of the second connecting strap 2 to form a closed loop structure surrounding the head. In one embodiment of the present specification, one end of the first connection strap 1 is connected with one end of the second connection strap 2, and the other end of the first connection strap 1 is connected with the other end of the second connection strap 2 to form a closed-loop headband body.

In order to allow the headband body to accommodate users of different head bands, the first connecting band 1 comprises at least one adjusting band 11 and at least one fixing band 12;

in order to improve wearing comfort, the adjustment belt 11 and the fixing belt 12 are alternately arranged along the length direction of the first connecting belt 1;

in one embodiment of the present specification, the number of the adjustment straps 11 is identical to that of the fixing straps 12, i.e., one end of the second connection strap 2 is connected to the adjustment straps 11, and the other end of the second connection strap 2 is connected to the fixing straps 12.

Of course, the number of the adjustment straps 11 is one different from the number of the fixing straps 12. Specifically, in another embodiment of the present specification, the adjustment strap 11 is one more than the number of the fixing straps 12, that is, both ends of the second connection strap 2 are connected to the adjustment strap 11.

In still another embodiment of the present specification, the fixing band 12 is one more than the number of the adjustment bands 11, that is, both ends of the second connection band 2 are connected to the fixing band 12.

It should be noted that, the fixing strap 12 on the first connecting strap 1 cannot be adjusted in length, the adjusting strap 11 of the first connecting strap 1 can be adjusted in length, and the adjusting strap 11 is an adjusting strap 11 with elasticity; the adjustment strap 11 may also be an adjustment strap 11 with an adjustment buckle.

In one embodiment of the present specification, the number of the adjustment straps 11 is one, that is, the headband body includes the second connection strap 2, the fixing strap 12, and the adjustment strap 11 in this order.

In another embodiment of the present specification, the number of the adjustment straps 11 is two, and preferably, the headband body includes the second connection strap 2, the adjustment strap 11, the fixing strap 12, and the adjustment strap 11 in this order.

Of course, in other embodiments of the present disclosure, the number of the adjusting belts 11 and the number of the fixing belts 12 may be plural, and will not be illustrated in detail herein.

The control unit 4 is mounted on the headband body. In order that the position of the control unit 4 may be adjusted to suit different situations, in one embodiment of the present description the control unit 4 is movable along the circumference of the headband body.

In order to extend the service life of the control unit 4 and facilitate the movement of the control unit 4, the control unit 4 further comprises a protective housing 41, as shown in fig. 3, in one embodiment of the present specification, the control unit 4 is adapted to be fixed on the first connecting strap 1, and a circular hole 411 is provided in the protective housing 41 through which the electrode wire 5 penetrates. The number of the round holes 411 may be one, the number of the round holes 411 may also correspond to the number of the electrode wires 5, and of course, other numbers of holes and other shapes may also be formed according to actual requirements, and holes may also be formed at different positions of the protective case 41 according to actual requirements.

In one embodiment of the present disclosure, the exterior of the protective shell 41 is provided with a clamping member 412, the clamping member 412 being removably mounted to the headband body. The user can select the position by himself and connect the control unit 4 with the headband body and fix the control unit 4 by means of the clamping member 412.

Of course, in order to avoid that the excessively long electrode wire 5 brings inconvenience to the daily life of the user, the control unit 4 may be mounted on the second connection strap 2.

Considering that the second connecting band 2 is located in the hindbrain when the present collecting device collects the brain signals of the occipital lobe, if the control unit 4 is located on the second connecting band 2, the resting posture of the user may be affected, etc., the control unit 4 may also be mounted on the first connecting band 1 and be movable along the length direction of the first connecting band 1. In one embodiment of the present specification, the exterior of the protective case 41 is provided with a socket which is sleeved on the first connection band 1 so that the control center can move along the length direction of the first connection band 1. After the user wears the collecting device, the headband body is wound on the forehead of the user, and the length direction of the first connecting band 1 is basically parallel to the horizontal plane. At this time, in order to prevent the protective case 41 of the control unit 4 from sliding on the first connection strap 1 at will, a first stopper is provided on the outside of the protective case 41, and a second stopper is provided on the fixing strap 12; the first limiting piece is detachably connected with the second limiting piece. In order to facilitate the adjustment and fixing of the position of the control unit 4 by the user, a second stop is provided on at least one of the fixing straps 12. The detachable connection mode includes but is not limited to a connection mode such as clamping connection, buckling connection, abutting connection, magic tape and the like. For example, in one embodiment of the present disclosure, the first limiting member is a fastening seat, the second limiting member is a flange, and the fastening seat is fastened to the flange; in another embodiment of the present disclosure, the first limiting member is a hook-and-loop fastener face, the second limiting member is a hook-and-loop fastener face, and the hook-and-loop fastener face is attached to the hook-and-loop fastener face in an adapting manner, so as to realize detachable connection of the protective shell 4 and the fixing strap 12 based on detachable connection of the first limiting member and the second limiting member.

In order to avoid damage to the protective case 41, in one embodiment of the present specification, the protective case 41 may be enclosed within the first connection strap 1, specifically, the first connection strap 1 is fixed in an inner hollow region of the first connection strap 1 in a hollow column-shaped protective case 41.

In order to avoid that the control unit 4 affects the second connecting band 2, the headband body is severely shifted due to uneven stress, so that the accuracy of signal acquisition is affected, and therefore, a second limiting piece can be arranged on the fixing band 12 opposite to the second connecting band 2, so that the second connecting band 2 is opposite to the control unit 4. Of course, a plurality of cleats may be provided on the inner side of the second connecting band 2 to reduce the degree of displacement of the second connecting band 2. Further, the inner sides of the first connecting band 1 and the second connecting band 2 are both surfaces which are contacted with the forehead of the user.

The control unit 4 comprises a motion signal acquisition module and an electroencephalogram signal collection module, and the electroencephalogram signal collection module is connected with the electroencephalogram signal acquisition component 3 through an electrode wire 5.

In one embodiment of the present description, the motion signal acquisition module and the electroencephalogram signal collection module are enclosed within the protective case 41. The motion signal acquisition module is used for acquiring motion signals of a user, the electroencephalogram signal acquisition component 3 is used for acquiring electroencephalogram signals of the user, and the electroencephalogram signal acquisition module is used for acquiring the electroencephalogram signals acquired by the electroencephalogram signal acquisition component 3.

In another embodiment of the present disclosure, the control unit 4 includes a double-sided PCB circuit board, wherein the front surface of the PCB circuit board includes a main control module, a wireless communication module, a motion signal acquisition module, an electroencephalogram signal collection module, and a power module; the back of the PCB circuit board comprises a storage module and an LED state indicating system. That is, the double-sided PCB is wrapped in the protective case 41, so as to avoid damage to components caused by random shaking of the PCB inside the protective case 41 due to movement of the protective case 41.

The main control module is electrically connected with the wireless communication module, the motion signal acquisition module, the electroencephalogram signal collection module, the power supply module, the storage module and the LED state indication system respectively.

The master control module controls the motion signal acquisition module and the electroencephalogram signal collection module to ensure the acquisition synchronism of the motion signals and the electroencephalogram signals.

The wireless communication module can be a WIFI module, and is connected with equipment with specified IP (Internet protocol) so as to transmit the acquired motion signals and the acquired brain electrical signals.

The motion signal acquisition module is preferably a nine-axis motion signal sensor so as to improve the acquisition accuracy of motion signals.

The electroencephalogram signal collecting module is used for collecting the electroencephalogram signals collected by the electroencephalogram signal collecting assembly 3. An electrode interface is arranged on the electroencephalogram signal collection module,

the position of the round hole 411 on the surface of the protective shell 41 is matched with the electrode interface, so that the electrode wire 5 penetrates into the round hole 411 to be connected with the electrode interface. In another embodiment of the present specification, since the electrode interface needs to be near the inner case of the control unit 4 for connecting the electrode wire 5, if the distance between the electroencephalogram signal collection module and the inner case of the control unit 4 is long, the electroencephalogram signal collection module is separately provided from the electrode interface, and the electroencephalogram signal collection module is electrically connected to the electrode interface.

In one embodiment of the present disclosure, the power module includes a power interface through which power is supplied by an external power source.

In another embodiment of the present disclosure, the power module includes a battery interface and a battery, the battery interface is electrically connected with the main control module, and the battery interface is used for installing the battery to supply power to the PCB through the battery. Among them, the battery includes, but is not limited to, a rechargeable battery and a dry battery. When the battery is a rechargeable battery, preferably, the power module further comprises a wired charging interface, the wired charging interface is connected with the battery interface, and the rechargeable battery is charged through the wired charging interface. Of course, the protective housing 41 also encloses a wireless charging coil, which is electrically connected to the battery interface for charging the battery.

That is, in one embodiment of the present disclosure, the power module is composed of a voltage conversion circuit and a charging management circuit, where the voltage conversion circuit can switch the power supply voltage, specifically, provides the voltage V for the main control module, provides the voltage V for the nine-axis motion signal sensor, and provides the voltage V for the electroencephalogram signal collection module.

In order to facilitate the acquisition progress of the user control signal, the control unit 4 is further provided with a switch button, and the switch button is connected with the power supply module.

In order to be convenient for remind this collection system's of user mode, still be provided with the LED pilot lamp on the control unit 4, the LED pilot lamp is connected with LED status indication system. In one embodiment of the present description, the LED indicator light is two bi-colored lights. The flashing mode of each double-color lamp comprises a flashing state and a normally-on state, the two double-color lamps can work independently or simultaneously, different working modes can be represented based on different flashing modes, and the double-color lamps can be set according to actual requirements.

An electroencephalogram signal acquisition component 3 is arranged on the second connecting belt 2, and the electroencephalogram signal acquisition module is connected with the electroencephalogram signal acquisition component 3 through an electrode wire 5.

The electroencephalogram signal acquisition assembly 3 comprises a plurality of electrode pieces, and the electrode pieces are arranged on the second connecting belt 2 at intervals. The electrode member comprises an electrode base and an electrode plate 31, the electrode base being adapted to said electrode plate 31.

In order to fix the electrode base, through holes matched with the electrode base, that is, a plurality of through holes are arranged at intervals, are formed in the second connecting belt 2.

The electrode base is fixed on the through hole. In one embodiment of the present specification, the electrode base includes a connection assembly including a first fixing member, a second fixing member, and a connection rod, the first fixing member being located outside the second connection band 2, and a surface diameter of the first fixing member being larger than an aperture of the through hole; the second fixing piece is positioned on the inner side of the second connecting belt 2, and the surface diameter of the second fixing piece is larger than the aperture of the through hole; the connecting rod is located in the through hole, i.e. the cross-sectional diameter of the connecting rod is smaller than the aperture of the through hole.

In one embodiment of the present disclosure, the first fixing member, the second fixing member, and the connecting rod are integrally formed. In another embodiment of the present disclosure, the connecting rod is detachably connected to the first fixing member and/or the connecting rod is detachably connected to the second fixing member by shortening the interval between the first fixing member and the second fixing member so that the electrode base is fixed on the through hole.

The electrode base further comprises an electric wire connecting part and an electrode connecting part, wherein the electric wire connecting part is positioned on the outer side of the second connecting belt 2, and the electrode connecting part is positioned on the inner side of the second connecting belt 2. The wire connection portion is used for connecting an external wire, and the electrode connection portion is used for mounting the electrode sheet 31.

Specifically, the clip of the electrode sheet 31 is clipped to the electrode connection portion of the electrode base. In order to reduce the space occupied by the electroencephalogram signal acquisition assembly 3, the electrode sheet 31 is preferably a button electrode. In the actual use process, the proper electrode can be selected according to the electroencephalogram acquisition position. For example, in the case of acquiring forehead electroencephalogram signals, the electrode sheet 31 is preferably a silver chloride electrode with a flat surface to reduce acquisition noise. When acquiring the frontal lobe and occipital lobe brain signals, the electrode plate 31 is preferably a multi-contact dry electrode to avoid hair interference and the like.

In one embodiment of the present specification, the number of electrode lines 5 is two, namely, the first electrode line 51 and the second electrode line 52.

Preferably, the number of the electrode bases is 5, and the wire connection part of the middle electrode base is connected in series with the electroencephalogram signal collection module through the second electrode wire 52 and is used as a grounding signal input for electroencephalogram signal collection; the wire connection parts of the four electrode bases around are connected in series with the electroencephalogram signal collection module through the first electrode wires 51, specifically, the four electrode wires 5 are clustered to transmit signals of the four electrode bases on the left side and the right side so as to serve as two-channel differential electroencephalogram signal input. The acquisition device improves the quality of signal recording through differential recording.

Since the signals inputted from the two clusters of electrode wires 5 are different, marks are made on the circular hole 411 of the protective case 41 to indicate the circular hole 411 for the ground signal input and the circular hole 411 for the differential signal input.

In this specification, realize the integration collection of many physiological parameters through integrated motion signal collection module and brain signal collection module, promoted the quality of signal record through difference record and silver chloride electrode, button electrode supports nimble change simultaneously to be suitable for the collection of different positions.

As shown in fig. 4, the electrode wire 5 is located at the outer side of the second connection belt 2, and in order to avoid excessive exposure of the electrode wire 5, a protection surface 21 is further provided at the outer side of the second connection belt 2, and the electrode wire 5 is located between the second connection belt 2 and the protection surface 21, that is, the first electrode wire 51 and the second electrode wire 52 are both located between the second connection belt 2 and the protection surface 21.

In one embodiment of the present specification, the upper end of the protection surface 21 is connected to the upper end of the second connection strap 2; or, the upper end of the protection surface 21 is connected with the upper end of the second connecting belt 2, the lower end of the protection surface 21 is connected with the lower end of the second connecting belt 2, the protection surface 21 and the second connecting belt 2 form a closed-loop space, and only the length direction of the second connecting belt 2 has a gap for accommodating the electrode wire 5. Preferably, the protection surface 21 is integrally formed with the second connection strap 2, that is, the protection surface 21 and the second connection strap 2 form a hollow column, and the second connection strap 2 penetrates in the longitudinal direction.

In order to adapt the headband of the present specification to a plurality of scenarios, in one embodiment of the present specification, the number and positions of the electrode bases may be changed to collect different brain electrical signals. In another embodiment of the present description, the second connecting strip 2 can also be replaced. Therefore, it is preferable that the second connecting band 2 is detachably connected with the first connecting band 1. Removable connections include, but are not limited to: fastening, clamping, zipper connection and magic tape connection.

In one embodiment of the present disclosure, as shown in fig. 5-7, the first connecting pieces 13 are respectively disposed at two ends of the first connecting band 1, the second connecting pieces 22 adapted to the first connecting pieces 13 are respectively disposed at two ends of the second connecting band 2, and the plurality of second connecting pieces 22 are disposed at intervals along the length direction of the second connecting band 2.

Considering that the adjusting belt 11 is deformed, if the first connecting member 13 is disposed on the adjusting belt 11, there is a significant risk of falling off the first connecting member 13, and since the fixing belts 12 and the adjusting belt 11 are alternately disposed, preferably, the number of the fixing belts 12 is one more than that of the adjusting belt 11, that is, both ends of the first connecting belt 1 are the fixing belts 12, and since the fixing belts 12 cannot adjust the length, the aforementioned risk of falling off is significantly reduced.

In the above embodiment, this collection system has improved the comfort level that the user was worn through the adjusting belt 11 that sets up in turn to a certain extent, with the tight degree of reduction forehead, but probably still can't satisfy the too big or too little user of head circumference, therefore, in the embodiment of this specification, be provided with a plurality of second connecting pieces 22 on the connecting portion, a plurality of second connecting pieces 22 are according to the length direction interval setting of second connecting band 2, so that the too big or too little user of head circumference adjusts as required of head circumference, noise interference because of wearing the too tight results in avoids appearing, and the condition that the acquisition signal is weaker because of wearing the too loose results appears. After the user wears the collecting device, the headband body is wound on the forehead of the user, and the length direction of the second connecting band 2 is basically parallel to the horizontal plane.

The acquisition device in the specification is convenient to carry and wear, comfortable and convenient to wear, good in fit of the headband body and light in weight; the circuit is highly integrated in the control unit 4, so that the circuit is small in size and wide in applicable environment. Compared with a collection device which is provided with a plurality of sensors or a hard material helmet at multiple positions of the body, the collection device in the specification has small influence on normal life, is suitable for multiple scenes such as movement, cognitive regulation and control, and is also suitable for long-time data collection of sleep scenes because the position of the control unit 4 can be adjusted. Based on the acquisition device, more convenient and accurate analysis results can be provided for the fields of brain motor ports, health management, sleep research and the like.

The above-described embodiments are only for illustrating the technical spirit and features of the present invention, and it is intended to enable those skilled in the art to understand the content of the present invention and to implement it accordingly, and the scope of the present invention as defined by the present embodiments should not be limited only by the present embodiments, i.e. equivalent changes or modifications made in accordance with the spirit of the present invention will still fall within the scope of the present invention.

Claims (10)

1. A motion signal and electroencephalogram signal acquisition device, comprising: a headband body and a control unit (4);

the headband body comprises a first connecting band (1) and a second connecting band (2); the first connecting belt (1) is respectively connected with two ends of the second connecting belt (2) to form a closed loop structure surrounding the head;

the first connecting belt (1) comprises at least one adjusting belt (11) and at least one fixing belt (12), and the adjusting belt (11) and the fixing belt (12) are alternately arranged along the length direction of the first connecting belt (1); an electroencephalogram signal acquisition assembly (3) is arranged on the second connecting belt (2);

the control unit (4) is arranged on the headband body, and the control unit (4) comprises a motion signal acquisition module and an electroencephalogram signal collection module; the electroencephalogram signal collection module is connected with the electroencephalogram signal collection assembly (3) through an electrode wire (5).

2. A movement signal and brain electrical signal acquisition headband according to claim 1, characterized in that the control unit (4) further comprises a protective shell (41); the protective shell (41) is adapted to be fixed on the headband body, and a round hole (411) for the electrode wire (5) to penetrate is formed in the protective shell (41).

3. A movement signal and electroencephalogram signal acquisition headband according to claim 2, characterized in that the protective housing (41) is provided with a first limiting member, at least one of the fixing straps (12) is provided with a second limiting member, and the first limiting member and the second limiting member are detachably connected.

4. A movement signal and brain electrical signal acquisition headband according to claim 1, characterized in that the brain electrical signal acquisition assembly (3) comprises a number of electrode elements, which are arranged at intervals on the second connecting band (2).

5. A motion signal and brain electrical signal acquisition headband as in claim 4, wherein the electrode assembly comprises an electrode base and an electrode pad (31), the electrode base being adapted to the electrode pad (31);

the second connecting belt (2) is provided with a through hole matched with the electrode base, the electrode base is fixed on the through hole, the electrode base comprises an electric wire connecting part and an electrode connecting part, the electric wire connecting part is positioned at the outer side of the second connecting belt (2), and the electrode connecting part is positioned at the inner side of the second connecting belt (2);

the buckle of the electrode sheet (31) is buckled with the electrode connecting part of the electrode base.

6. The motion signal and electroencephalogram signal acquisition headband according to claim 5, wherein the number of the electrode bases is 5, and wire connection parts of four surrounding electrode bases are connected in series with the electroencephalogram signal collection module through first electrode wires (51); the wire connection part of the electrode base in the middle is connected with the electroencephalogram signal collection module in series through a second electrode wire (52).

7. A movement signal and brain electrical signal acquisition headband according to claim 1, characterized in that the outer side of the second connecting band (2) is further provided with a protective surface (21), the electrode wire (5) being located between the second connecting band (2) and the protective surface (21).

8. A movement signal and brain electrical signal acquisition headband according to claim 1, characterized in that the second connecting band (2) is detachably connected to the first connecting band (1).

9. The motion signal and electroencephalogram signal acquisition headband according to claim 8, wherein first connecting pieces (13) are respectively arranged at two ends of the first connecting band (1), second connecting pieces (22) matched with the first connecting pieces (13) are respectively arranged at two ends of the second connecting band (2), and a plurality of the second connecting pieces (22) are arranged at intervals in the length direction of the second connecting band (2).

10. A movement signal and brain signal acquisition headband according to claim 1, characterized in that the adjusting strap (11) is provided with adjusting buckles and/or that the adjusting strap (11) is a resilient adjusting strap (11).