CN214434252U - Air bag adjusting device of electroencephalogram collecting electrode - Google Patents
Air bag adjusting device of electroencephalogram collecting electrode Download PDFInfo
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- CN214434252U CN214434252U CN202023001439.6U CN202023001439U CN214434252U CN 214434252 U CN214434252 U CN 214434252U CN 202023001439 U CN202023001439 U CN 202023001439U CN 214434252 U CN214434252 U CN 214434252U
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Abstract
The application relates to an air bag adjusting device of an electroencephalogram collecting electrode, wherein the air bag adjusting device comprises: the control module is connected with the air bag adjusting module, the air bag adjusting module is connected with the air bag module, and the air bag module is connected with the detection electrode; the detection electrode is used for contacting the skin of a user and collecting electroencephalogram signals; the control module is used for acquiring real-time impedance and detection pressure of the detection electrode, generating a control signal and sending the control signal to the air bag adjusting module; the air bag adjusting module is used for adjusting the gas content of the air bag module according to the control signal; the air bag module is used for driving the detection electrode to move towards a direction close to or far away from the skin of a user based on the change of the gas content. Through the electrode wearing device and the electrode wearing method, the problem that the operation efficiency is low in the electrode wearing process is solved, and the technical effect of simply and efficiently completing electrode wearing is achieved.
Description
Technical Field
The application relates to the field of electroencephalogram acquisition, in particular to an air bag adjusting device of an electroencephalogram acquisition electrode.
Background
In the field of electroencephalogram acquisition, because electroencephalogram signals are very weak and the size of the signals is in a microvolt level, in order to improve the accuracy of the electroencephalogram signals, the acquisition electrodes are required to have good contact with the skin of the head. In order to improve the contact performance and overcome the influence of hair on measurement, no matter the measurement is performed by a wet electrode or a dry electrode, an experienced person is required to wear the electrodes one by one, the whole process is complex and time-consuming, and particularly when the contact of individual electrodes is poor and the adjustment is required, the electrodes which are worn around the electrodes are often influenced, the repeated adjustment is required, and the working efficiency is seriously influenced.
At present, no effective solution is provided for the problem of low operation efficiency in the electrode wearing process in the related technology.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an air bag adjusting device of an electroencephalogram collecting electrode, and the air bag adjusting device at least solves the problem that the electrode wearing process in the related technology is low in operation efficiency.
In a first aspect, an embodiment of the present application provides an electroencephalogram acquisition apparatus for advancing a detection electrode in the electroencephalogram acquisition apparatus, including: the control module is connected with the air bag adjusting module, the air bag adjusting module is connected with the air bag module, and the air bag module is connected with the detection electrode; the detection electrode is used for contacting the skin of a user and collecting electroencephalogram signals; the control module is used for acquiring real-time impedance and detection pressure of the detection electrode, generating a control signal and sending the control signal to the air bag adjusting module; the air bag adjusting module is used for adjusting the gas content of the air bag module according to the control signal; the air bag module is used for driving the detection electrode to move towards a direction close to or far away from the skin of a user based on the change of the gas content.
In one embodiment, the airbag adjustment module comprises: the inflator pump is respectively connected with the control module and the airbag module, and the getter pump is respectively connected with the control module and the airbag module; the inflator is used for increasing the gas content in the airbag module; the getter pump is used to reduce the gas content in the airbag module.
In one embodiment, the airbag module includes: the main airbag is respectively connected with the airbag adjusting module and the auxiliary airbags, and the auxiliary airbags are connected with the detection electrodes; the main airbag is used for communicating a plurality of auxiliary airbags; if the gas content in the main airbag is increased, the gas content in the auxiliary airbag is increased, and the auxiliary airbag drives the detection electrode to move towards the direction close to the skin of the user; if the gas content in the main air bag is reduced, the gas content in the auxiliary air bag is reduced, and the auxiliary air bag drives the detection electrode to move in the direction away from the skin of the user.
In one embodiment, the primary airbag is a mesh structure.
In one embodiment, the secondary airbag is disposed at a node of the primary airbag mesh structure.
In one embodiment, a ballonet receiving cavity is provided at each node of the primary airbag network for receiving a plurality of ballonets.
In one embodiment, the ballonet is a wave-shaped telescopic ballonet.
In one embodiment, the airbag adjustment assembly further comprises an external wear module comprising a headband and a support ring, the headband and the support ring being connected; the support ring is respectively connected with the head band, the air bag adjusting module and the air bag module; the headband is used for fixing the support ring on the head of a user; the support ring is used for placing the airbag adjusting module and the airbag module.
In one embodiment, the airbag adjusting device further comprises an impedance testing unit, and the impedance testing unit is respectively connected with the detection electrode and the control module; the impedance testing unit is used for detecting the real-time impedance of the detection electrode, generating a first detection signal and sending the first detection signal to the control module.
In one embodiment, the airbag adjusting device further comprises a pressure sensing unit, and the pressure sensing unit is respectively connected with the detection electrode and the control module; the pressure sensing unit is used for detecting the detection pressure of the detection electrode, generating a second detection signal and sending the second detection signal to the control module.
Compared with the prior art, the air bag adjusting device of the electroencephalogram acquisition electrode provided by the embodiment of the application is provided with the control module, the air bag adjusting module and the air bag module, wherein the control module is connected with the air bag adjusting module, the air bag adjusting module is connected with the air bag module, and the air bag module is connected with the detection electrode; the detection electrode is used for contacting the skin of a user and collecting electroencephalogram signals; the control module is used for acquiring real-time impedance and detection pressure of the detection electrode, generating a control signal and sending the control signal to the air bag adjusting module; the air bag adjusting module is used for adjusting the gas content of the air bag module according to the control signal; the air bag module is used for driving the detection electrode to move towards the direction close to or far away from the skin of a user based on the change of the gas content, so that the problem of low operation efficiency in the electrode wearing process is solved, and the technical effect of simply and efficiently finishing electrode wearing is realized.
The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a block diagram of an air bag adjustment device according to an embodiment of the present application;
FIG. 2 is a domain block diagram of an airbag module according to an embodiment of the present application;
FIG. 3 is a block diagram of an airbag module according to an embodiment of the present application;
FIG. 4 is a schematic illustration of a ballonet configuration according to an embodiment of the present application;
FIG. 5 is a schematic illustration of a ballonet inflation status according to an embodiment of the application;
fig. 6 is a schematic structural diagram of an external wear module according to an embodiment of the present application.
Description of the drawings: 110. a control module; 120. an air bag adjusting module; 130. an airbag module; 140. a detection electrode; 121. an inflator pump; 122. a getter pump; 131. a main airbag; 132. a ballonet; 133. a ballonet receiving chamber; 501. a scalp; 601. a reticular main airbag; 602. a node ballonet; 603. an air pump; 604. a headband; 605. and (3) supporting the ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application.
It is obvious that the drawings in the following description are only examples or embodiments of the present application, and that it is also possible for a person skilled in the art to apply the present application to other similar contexts on the basis of these drawings without inventive effort. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The present application is directed to the use of the terms "including," "comprising," "having," and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Reference to "connected," "coupled," and the like in this application is not intended to be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as referred to herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.
Electroencephalogram (EEG) is an electrical potential activity generated by brain nerves and contains abundant brain activity information. However, because the electroencephalogram (EEG) is very weak and is in the level of microvolt (μ V), the EEG is easily interfered by the external environment, and if the interfered signals are not processed, the analysis of the electroencephalogram information is greatly influenced.
Electroencephalogram measurement is a common medical diagnosis method, brain activity information is usually obtained by collecting electroencephalogram signals, and measurement of the electroencephalogram signals also provides an important electroencephalogram signal source for wearable equipment. The measurement of the brain electrical signal is to place brain electrical electrodes at certain positions of the head, and to collect, amplify, analyze and the like the brain electrical signal. However, the contact between the electrode and the skin of the human body is affected due to the existence of the hair of the human body, so that the resistance of the electrode is larger. The existing adjusting mode basically wears the electroencephalogram by assisting a user with an operator, but because a plurality of electrodes are applied in the electroencephalogram acquisition process, the phenomenon that the contact of individual electrodes is poor often occurs, and in the process of adjusting the electrodes by the operator, the electrodes which are worn around the electrodes are easily affected, so that the repeated adjustment is needed, the workload of the operator is greatly increased, and the working efficiency is seriously affected.
The embodiment also provides an air bag adjusting device of the electroencephalogram acquisition electrode, which is used for propelling the detection electrode in the electroencephalogram acquisition device. Fig. 1 is a block diagram showing the structure of an air bag adjusting apparatus according to an embodiment of the present application, which includes, as shown in fig. 1: a control module 110, an air bag adjusting module 120 and an air bag module 130, wherein the control module 110 is connected with the air bag adjusting module 120, the air bag adjusting module 120 is connected with the air bag module 130, and the air bag module 130 is connected with a detection electrode 140; the detection electrode 140 is used for contacting the skin of the user and collecting electroencephalogram signals; the control module 110 is configured to obtain real-time impedance and detection pressure of the detection electrode 140, generate a control signal, and send the control signal to the air bag adjusting module 120; the airbag adjusting module 120 is used for adjusting the gas content of the airbag module 130 according to the control signal; the airbag module 130 is configured to move the detecting electrode 140 toward or away from the skin of the user based on the change of the gas content. The detecting electrodes 140 include at least one collecting electrode and at least one reference electrode. The detecting electrode 140 includes a detecting part having a plurality of contact elements in a column, finger or needle shape at one end thereof for penetrating into the hair to contact with the scalp to collect electroencephalogram signals. The contact element surface is plated with silver, gold, silver chloride and tin, but can be any other conductive material including conductive polymers. The detecting electrode 140 may be a wet electrode or a dry electrode, which is not limited in this application.
In one embodiment, the airbag adjustment module 120 includes: inflator 121 and getter pump 122. Fig. 2 is a block diagram illustrating a structure of an airbag module according to an embodiment of the present application, and as shown in fig. 2, the inflator 121 is connected to the control module 110 and the airbag module 130, respectively, and the getter pump 122 is connected to the control module 110 and the airbag module 130, respectively; the inflator 121 is used to increase the gas content in the airbag module 130; the getter pump 122 is used to reduce the gas content in the airbag module 130. In the process that the inflator 121 inflates the airbag module 130 and the getter pump 122 inspires the airbag module 130, the control module 110 may obtain the real-time impedance and the detection pressure of the detection electrode 140 in real time, and generate a control signal according to the real-time pressure and the detection pressure, where the control signal is used to control the inflator 121 to inflate or stop inflating the airbag module 130; and may also be used to control the getter pump 122 to either getter or stop the gettering of the airbag module 130. Through the cooperative work of the inflator 121 and the getter pump 122, the closed-loop gas charging and sucking circulation is realized, and the self-adaptive energy-saving capability of the airbag adjusting device is improved. In one embodiment, the getter pump 122 may be replaced with a bleeder valve that opens and the gas content in the airbag module 130 is reduced.
In one embodiment, the control module 110 can also adjust the changing speed of the gas content in the airbag module 130 by adjusting the operating power of the inflator 121 and the operating power of the getter pump 122, and adjusting the inflation rate of the inflator 121 and the inflation rate of the getter pump 122.
In one embodiment, the airbag module 130 includes: a primary airbag 131 and a plurality of secondary airbags 132. Fig. 3 is a block diagram of an airbag module according to an embodiment of the present disclosure, and as shown in fig. 3, the primary airbag 131 is respectively connected to the airbag conditioning module 120 and the plurality of secondary airbags 132, and the secondary airbags 132 are connected to the detection electrodes 140; the main airbag 131 is used for communicating a plurality of the sub-airbags 132; if the gas content in the primary airbag 131 increases, the gas content in the secondary airbag 132 increases, and the secondary airbag 132 drives the detection electrode 140 to move towards the skin of the user; if the gas content in the primary airbag 131 decreases, the gas content in the secondary airbag 132 decreases, and the secondary airbag 132 drives the detection electrode 140 to move away from the skin of the user.
In one embodiment, the higher the operating power of the inflator 121, the higher the rate of increase of the gas content in the ballonet 132, and the higher the speed of the ballonet 132 moving the detection electrode 140 toward the skin of the user; the smaller the operating power of the inflator 121, the smaller the rate at which the gas content in the sub-balloon 132 increases, and the smaller the speed at which the sub-balloon 132 moves the detection electrode 140 in the direction closer to the skin of the user.
In one embodiment, the greater the operating power of sorption pump 122; the greater the rate at which the gas content in the ballonet 132 decreases, the greater the speed at which the ballonet 132 moves the detection electrode 140 away from the user's skin; the lower the operating power of the sorption pump 122, the lower the rate at which the gas content in the ballonet 132 decreases, and the lower the speed at which the ballonet 132 moves the detection electrode 140 away from the user's skin.
In one embodiment, the primary airbag 131 is a mesh structure. The inflator 121 inflates the main airbag 131 with gas, and the main airbag 131 stores the gas and inflates, so that the main airbag 131 can be closely coupled to the head of the user. The inflated primary airbag 131 is equivalent to providing a net-shaped frame, the secondary airbag 132 is disposed in the secondary-airbag housing chamber 133 at the node of the frame, and the primary airbag 131 and the secondary airbag 132 are in direct communication. The mesh portion of the mesh structure of the main bag 131 may be exposed to the user's hair for improving the air permeability of the main bag 131. Set up main gasbag 131 into network structure, help strengthening the air permeability of this gasbag adjusting device when using for the user wears to contain the utility model discloses a possess better use during the electroencephalogram collection system and experience.
In one embodiment, the ballonet 132 is disposed at a node of the primary balloon 131 mesh structure.
In one embodiment, a ballonet receiving cavity 133 is formed at each node of the main airbag 131 network for receiving a plurality of ballonets 132.
In one embodiment, the ballonet 132 is a bellows-type bellows balloon. FIG. 4 is a schematic illustration of a ballonet configuration according to an embodiment of the present application. As shown in fig. 4, the sub-bag 132 is a wave-shaped expansion bag; the sub-bag 132 communicates with the main bag 131, the main bag 131 has a net structure, a sub-bag accommodation chamber 133 is provided at a node of the net structure of the main bag 131, and the sub-bag 132 is provided in the sub-bag accommodation chamber 133. The sub-bag 132 is connected to the main bag 131 at one end and to the detection electrode 140 at the other end. When the gas content in the ballonet 132 changes, the ballonet 132 can be shortened or lengthened section by section, thereby moving the detecting electrode 140 toward or away from the skin of the user. Fig. 5 is a schematic diagram illustrating the inflated state of the ballonet according to the embodiment of the present application, as shown in fig. 5, the gas content in the ballonet 132 increases, and the ballonet 132 drives the detecting electrode 140 to move toward the scalp 501 of the user. When the airbag control device is not worn, the sub-bag 132 is contracted to the sub-bag accommodation chamber 133, and the sub-bag accommodation chamber 133 can protect the detection electrode 140.
In one embodiment, the airbag adjustment assembly further comprises an external wear module comprising a headband 604 and a support ring 605. FIG. 6 is a schematic structural view of an externally worn module according to an embodiment of the present application, the headband 604 being attached to the support ring 605 as shown in FIG. 6; the support ring 605 is connected to the headband 604, the airbag module 120 and the airbag module 130; the headband 604 is used to secure the support ring 605 on the user's head; the support ring 605 is used to house the bladder adjustment module 120 and the bladder module 130. The airbag conditioning module 120 includes an air pump 603, and the airbag module includes a mesh primary airbag 601 and a node secondary airbag 602.
In one embodiment, the primary airbag 131 and the secondary airbag 132 may be integrally formed in a net structure, or a plurality of air storage structures may be combined together to perform the function of the airbag module 130. Main airbag 131 may also be a mesh structure formed by connecting a plurality of ventilation tubes, as shown in fig. 6. The main bag 131 of the net structure provides a frame for the sub-bag 132, and a sub-bag housing chamber 133 is provided at a node of the frame, that is, a node of the net structure, and the sub-bag 132 is directly communicated with the main bag 131. The rectangular mesh in fig. 6 is the air permeable structure of main airbag 131, and the vertices of the rectangular mesh are the mesh nodes of main airbag 131. When the primary airbag 131 is inflated, a cavity opening toward the head of the user is formed at the node, and the cavity is the secondary airbag receiving cavity 133. The chamber can accommodate a secondary air bag 132 connected to the primary air bag 131. The diameter of the ballonet receiving cavity 133 is larger than the diameter of the ballonet 132.
In one embodiment, the airbag adjusting apparatus further includes an impedance testing unit, which is respectively connected to the probe electrode 140 and the control module 110; the impedance testing unit is configured to detect the real-time impedance of the probe electrode 140, generate a first detection signal, and send the first detection signal to the control module 110. The impedance testing unit may detect the real-time impedance of the sensing electrode 140 by applying a direct current or an alternating current.
In one embodiment, the airbag adjusting apparatus further includes a pressure sensing unit, and the pressure sensing unit is respectively connected to the detecting electrode 140 and the control module 110; the pressure sensing unit is configured to detect the detection pressure of the detection electrode 140, generate a second detection signal, and send the second detection signal to the control module 110. Preferably, the pressure test unit may be connected to a contact element on the probe electrode 140 for detecting pressure between the scalp and the contact element.
In one embodiment, the electroencephalogram acquisition electrode air bag adjusting device of the embodiment of the present application is further configured to perform an electrode adaptive adjustment method, after the electroencephalogram acquisition device is worn, the inflator 121 operates at a first power, the main air bag 131 is inflated with gas, the main air bag 131 is communicated with the sub air bag 132, the sub air bag 132 drives the detection electrode 140 to move in a direction close to the skin of the user at the first speed, the pressure sensing unit detects the pressure applied to the detection electrode 140 and generates a first detection signal to be sent to the control module 110, if the pressure applied to the detection electrode 140 reaches a first preset pressure, the control module 110 controls the inflator 121 to operate at a second power, the gas continues to be inflated into the main air bag 131, the main air bag 131 is communicated with the sub air bag 132, the sub air bag 132 drives the detection electrode 140 to move in a direction close to the skin of the user at a second speed, and the second power is smaller than the first power, the first speed is greater than the second speed, and the first preset pressure is less than the second preset pressure. The impedance testing unit is further configured to obtain an impedance of the current probe electrode 140, and stop advancing the probe electrode 140 if the current impedance reaches a preset impedance; if the current impedance does not reach the preset impedance, determining whether the current pressure reaches a second preset pressure, that is, whether the current pressure is greater than the first preset pressure and less than the second preset pressure, if the current pressure does not reach the second preset pressure, the control module 110 controls the auxiliary air bag 132 to continue to advance the detection electrode 140 at the second speed through the air bag adjusting module 120, so as to obtain the real-time impedance of the current detection electrode 140; if the current impedance does not reach the preset impedance and the pressure of the detection electrode 140 reaches the second preset pressure, the detection electrode 140 is moved to a direction away from the skin of the user by a preset distance, and the detection electrode 140 is pushed at the second speed again until the real-time impedance of the detection electrode 140 reaches the preset impedance and the pressure is less than or equal to the second preset pressure, and then the electrode adjustment is completed.
According to the air bag adjusting device of the electroencephalogram acquisition electrode, the real-time impedance and the detection pressure of the detection electrode 140 are obtained through the control module 110, and the real-time impedance is compared with a preset threshold value; comparing the detected pressure with a pressure threshold; generating a control instruction according to the comparison result of the impedance and the comparison result of the pressure, and sending the control instruction to the air bag adjusting module 120; the air bag adjusting module 120 adjusts the gas content in the air bag module 130 according to the control instruction, and the air bag module 130 drives the detecting electrode 140 to move towards or away from the skin of the user based on the change of the gas content. The problem of low operation efficiency in the electrode wearing process is solved, and the technical effect of simply and efficiently finishing electrode wearing is realized; in the process of acquiring and retrieving the electroencephalogram signals, closed-loop control and real-time adjustment of self-adaptive adjustment of the detection electrode 140 are realized.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides an air bag adjusting device of brain electricity collection electrode for advance the detection electrode in the brain electricity collection device, its characterized in that includes:
the control module is connected with the air bag adjusting module, the air bag adjusting module is connected with the air bag module, and the air bag module is connected with the detection electrode;
the detection electrode is used for contacting the skin of a user and collecting electroencephalogram signals;
the control module is used for acquiring real-time impedance and detection pressure of the detection electrode, generating a control signal and sending the control signal to the air bag adjusting module;
the air bag adjusting module is used for adjusting the gas content of the air bag module according to the control signal;
the air bag module is used for driving the detection electrode to move towards a direction close to or far away from the skin of a user based on the change of the gas content.
2. The electroencephalogram acquisition electrode air bag adjustment device according to claim 1, wherein the air bag adjustment module comprises: the inflator pump is respectively connected with the control module and the airbag module, and the getter pump is respectively connected with the control module and the airbag module;
the inflator is used for increasing the gas content in the airbag module;
the getter pump is used to reduce the gas content in the airbag module.
3. The brain electricity collecting electrode air bag adjusting device according to claim 1, wherein the air bag module comprises: the main airbag is respectively connected with the airbag adjusting module and the auxiliary airbags, and the auxiliary airbags are connected with the detection electrodes;
the main airbag is used for communicating a plurality of auxiliary airbags;
if the gas content in the main airbag is increased, the gas content in the auxiliary airbag is increased, and the auxiliary airbag drives the detection electrode to move towards the direction close to the skin of the user;
if the gas content in the main air bag is reduced, the gas content in the auxiliary air bag is reduced, and the auxiliary air bag drives the detection electrode to move in the direction away from the skin of the user.
4. The air bag adjusting device of the brain electricity collecting electrode according to claim 3,
the main airbag is of a net structure.
5. The electroencephalogram acquisition electrode airbag adjustment device according to claim 4, wherein the sub-airbags are arranged on nodes of the main airbag net structure.
6. The electroencephalogram acquisition electrode airbag adjusting device according to claim 5, wherein each node of the main airbag net structure is provided with a sub-airbag accommodating cavity for accommodating a plurality of sub-airbags.
7. The electroencephalogram acquisition electrode air bag adjusting device according to claim 3, wherein the auxiliary air bag is a wave-shaped telescopic air bag.
8. The airbag adjustment device for the brain electricity collecting electrode according to claim 1, further comprising an external wearing module, wherein the external wearing module comprises a head band and a support ring, and the head band is connected with the support ring; the support ring is respectively connected with the head band, the air bag adjusting module and the air bag module;
the headband is used for fixing the support ring on the head of a user;
the support ring is used for placing the airbag adjusting module and the airbag module.
9. The air bag adjusting device for the electroencephalogram acquisition electrode according to claim 1, further comprising an impedance testing unit, wherein the impedance testing unit is respectively connected with the detection electrode and the control module;
the impedance testing unit is used for detecting the real-time impedance of the detection electrode, generating a first detection signal and sending the first detection signal to the control module.
10. The air bag adjusting device of the electroencephalogram acquisition electrode according to claim 1, further comprising a pressure sensing unit, wherein the pressure sensing unit is respectively connected with the detection electrode and the control module;
the pressure sensing unit is used for detecting the detection pressure of the detection electrode, generating a second detection signal and sending the second detection signal to the control module.
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| CN202023001439.6U CN214434252U (en) | 2020-12-14 | 2020-12-14 | Air bag adjusting device of electroencephalogram collecting electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115444434A (en) * | 2022-11-10 | 2022-12-09 | 深圳市心流科技有限公司 | Physical sign detection method, physical sign detection device, terminal equipment and storage medium |
| CN118021321A (en) * | 2024-04-15 | 2024-05-14 | 北京大学第三医院（北京大学第三临床医学院） | Electroencephalogram monitoring device |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115444434A (en) * | 2022-11-10 | 2022-12-09 | 深圳市心流科技有限公司 | Physical sign detection method, physical sign detection device, terminal equipment and storage medium |
| CN118021321A (en) * | 2024-04-15 | 2024-05-14 | 北京大学第三医院（北京大学第三临床医学院） | Electroencephalogram monitoring device |
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