CN219048530U - Wired wireless double-switching multi-person multi-mode physiological signal acquisition system - Google Patents
Wired wireless double-switching multi-person multi-mode physiological signal acquisition system Download PDFInfo
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- CN219048530U CN219048530U CN202222599699.0U CN202222599699U CN219048530U CN 219048530 U CN219048530 U CN 219048530U CN 202222599699 U CN202222599699 U CN 202222599699U CN 219048530 U CN219048530 U CN 219048530U
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Abstract
The utility model relates to the technical field of physiological signal acquisition, in particular to a wired and wireless double-switching multi-person and multi-mode physiological signal acquisition system, which comprises: at least two wearable multi-modal acquisition devices for acquiring physiological signals; the data transceiver is in communication connection with each wearable multi-mode acquisition device; the upper computer equipment is connected with the data receiving and transmitting equipment, and the acquired physiological signals can be transmitted to the upper computer equipment through the data receiving and transmitting equipment; the multi-channel multi-mode data processing equipment is connected with each wearable multi-mode acquisition equipment, is also connected with the data transceiver equipment, and can transmit physiological signals to the multi-channel multi-mode data processing equipment firstly, and transmits the received physiological signals to the upper computer equipment through the data transceiver equipment. The utility model ensures that physiological signals are effectively transmitted under different scenes, and realizes the acquisition of the physiological signals in multiple modes.
Description
Technical Field
The utility model relates to the technical field of physiological signal acquisition, in particular to a wired and wireless double-switching multi-person and multi-mode physiological signal acquisition system.
Background
Currently, the electroencephalogram signal acquisition in the market is based on connection with external equipment, wireless data transmission is, for example, RF radio frequency transmission such as 433MHz and 2.4GHz, WIFI transmission or Bluetooth transmission, a portable multi-person electroencephalogram data synchronous acquisition system based on a wireless communication technology is disclosed in application number 201510408311.6, a wireless communication mode is adopted, the function of synchronously acquiring multi-person electroencephalogram data is realized through multi-point scheduling management, and all electroencephalogram data is synchronously output to the outside through a plurality of data interfaces such as Ethernet, USB and WIFI which are arranged by a multi-path electroencephalogram signal processing unit, so that the upper computer is convenient for carrying out operations such as displaying, recording and analyzing the electroencephalogram data. The system is separated from a plurality of paths of electroencephalogram signal processing units, the acquired electroencephalogram data cannot be transmitted, and because the wireless communication module is adopted, the system is easily affected by network environment, if a large amount of electroencephalogram data packet loss occurs in a scene with a poor wireless network, even when the system is used in a scene with radio frequency shielding, the electroencephalogram data cannot be normally transmitted, in addition, the acquired physiological signals are only electroencephalogram signals, the acquired physiological signals are single, and other physiological signals such as electrocardio, myoelectricity, blood oxygen signals and the like cannot be acquired.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the technical problems that in the prior art, electroencephalogram data cannot be effectively transmitted, and the acquired physiological signals are only electroencephalogram signals, the acquired physiological signals are single, the utility model provides a wired wireless double-switching multi-person multi-mode physiological signal acquisition system, which ensures that the physiological signals can be effectively transmitted in different scenes and realizes multi-mode physiological signal acquisition.
The technical scheme adopted for solving the technical problems is as follows: a wired wireless dual-switching multi-person multi-mode physiological signal acquisition system, comprising: at least two wearable multimodal acquisition devices; the wearable multi-mode acquisition devices are connected with the data transceiver in a communication mode; the upper computer equipment is connected with the data receiving and transmitting equipment; and the multi-channel multi-mode data processing equipment is connected with each wearable multi-mode acquisition equipment and is also connected with the data transceiver equipment. The wearable multi-mode acquisition device acquires physiological signals, wherein the acquired physiological signals comprise brain electrical signals, electromyographic signals, electrocardiosignals, skin electrical signals and blood oxygen signals, and the wearable multi-mode acquisition device can be directly connected with the data transceiver device in a communication way and transmits the acquired physiological signals to the upper computer device through the data transceiver device; the wearable multi-mode collected physiological signals can be transmitted to the multi-mode data processing equipment, and the multi-mode data processing equipment transmits the received physiological signals to the upper computer equipment through the data transceiver equipment.
Further, specifically, each wearable multi-mode acquisition device comprises a power supply module, a multi-mode acquisition module, an MCU main control module and a communication module; the multi-mode acquisition module, the MCU main control module and the communication module are all connected with the power supply module; the multi-mode acquisition module is connected with the MCU main control module; the MCU main control module is connected with the communication module.
Further, specifically, the communication module includes a wireless communication module and a wired communication module; the wireless communication module is connected with the data receiving and transmitting equipment, and the wired communication module is connected with the multi-path multi-mode data processing equipment; the wireless communication module and the wired communication module alternatively realize data transmission, and the data transmission priority of the wireless communication module is higher than that of the wired communication module.
Further, specifically, the multi-path multi-mode data processing device comprises at least two isolation modules, a CPU processor, a data receiving and transmitting port module and a power management module; the power management module is connected with 220V mains supply, converts the 220V mains supply into direct current, and reduces the direct current, wherein the reduced voltage is the working voltage of the CPU processor; the data receiving and transmitting port module and the power management module are connected with the CPU; each isolation module corresponds to the wearable multi-mode acquisition equipment one by one, the input end of each isolation module is connected with the corresponding wired communication module in the wearable multi-mode acquisition equipment, and the output end of each isolation module is connected with the CPU; the data receiving and transmitting port module is connected with the data receiving and transmitting equipment.
Further, specifically, the wired communication module is a differential serial communication module.
Further, specifically, the multi-mode acquisition module comprises an electroencephalogram unit, an electromyography unit, an electrocardio unit, a skin electricity unit, a blood oxygen unit and a processing unit, wherein the electroencephalogram unit, the electromyography unit, the electrocardio unit, the skin electricity unit and the blood oxygen unit are all connected with the processing unit, and the processing unit is connected with the MCU main control module.
Further, in particular, the data transceiver device comprises a router and/or an ethernet switch.
The beneficial effects of the utility model are as follows:
(1) The wired wireless double-switching multi-person multi-mode physiological signal acquisition system supports multiple physiological signal transmission modes, the wearable multi-mode acquisition equipment can be directly connected with the data receiving and transmitting equipment in a communication mode to realize the transmission of physiological signals, the wearable multi-mode acquisition equipment is connected with the multi-channel multi-mode data processing equipment, and the multi-channel multi-mode data processing equipment is connected with the data receiving and transmitting equipment in a communication mode to realize the transmission of physiological signals, so that the physiological signals can be effectively transmitted in different scenes.
(2) The wired wireless double-switching multi-person multi-mode physiological signal acquisition system supports synchronous transmission of physiological signals acquired by the wearable multi-mode acquisition equipment worn by multiple users to the upper computer equipment.
(3) The wearable multi-mode acquisition device is used for acquiring physiological signals, wherein the acquired physiological signals comprise brain electrical signals, electromyographic signals, electrocardiosignals, skin electrical signals and blood oxygen signals, so that multi-mode physiological signal acquisition is realized.
(4) The isolation module is arranged in the multi-path multi-mode data processing equipment, and when the plurality of wearable multi-mode acquisition equipment transmits signals, the signals between two adjacent wearable multi-mode acquisition equipment are isolated, so that interference signals existing between physiological signals transmitted by the plurality of wearable multi-mode acquisition equipment are avoided, the physiological signals are effectively transmitted, and the capacity of the multi-path multi-mode data processing equipment is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a preferred embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a multi-modal collection module according to the present utility model.
FIG. 3 is a schematic diagram illustrating a connection between a data transceiver and a plurality of multi-path multi-mode data processing devices according to an embodiment of the present utility model.
FIG. 4 is a schematic diagram showing a connection between a data transceiver device and a plurality of multi-path multi-mode data processing devices according to another embodiment of the present utility model.
In the figure 1, a wearable multi-mode acquisition device; 2. a data transceiver device; 3. the upper computer equipment; 4. a multi-path multi-mode data processing device; 11. a power module; 12. a multi-mode acquisition module; 121. an electroencephalogram unit; 122. a myoelectric unit; 123. an electrocardiograph unit; 124. a skin electric unit; 125. a blood oxygen unit; 126 a processing unit; 13. an MCU main control module; 14. a communication module; 141. a wireless communication module; 142. a wired communication module; 41. an isolation module; 42. a CPU processor; 43. a data receiving and transmitting port module; 44. and a power management module.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in FIG. 1, which is a preferred embodiment of the present utility model, a wired wireless dual-switching multi-person multi-mode physiological signal acquisition system comprises: at least two wearable multimodal acquisition devices 1; the data transceiver 2, each wearable multi-mode acquisition device 1 is connected with the data transceiver 2 in a communication way; the upper computer equipment 3, the upper computer equipment 3 is connected with the data receiving and transmitting equipment 2; and the multi-path multi-mode data processing device 4 is connected with each wearable multi-mode acquisition device 1, and the multi-path multi-mode data processing device 4 is also connected with the data receiving and transmitting device 2.
Specifically, the wearable multi-mode acquisition device 1 acquires physiological signals, wherein the acquired physiological signals comprise brain electrical signals, electromyographic signals, electrocardiosignals, skin electrical signals and blood oxygen signals, and the wearable multi-mode acquisition device 1 can be directly connected with the data transceiver device 2 in a communication manner, so that the wearable multi-mode acquisition device 1 transmits the acquired physiological signals to the upper computer device 3 through the data transceiver device 2; the wearable multi-mode collected physiological signals can be transmitted to the multi-mode data processing equipment 4, and the multi-mode data processing equipment 4 transmits the received physiological signals to the upper computer equipment 3 through the data transceiver equipment 2. In the utility model, under the scene of strong wireless network signals, the wearable multi-mode acquisition equipment 1 can work away from the multi-path multi-mode data processing equipment 4, directly communicate with the data transceiver equipment 2, and transmit physiological signals to the upper computer equipment; when the wireless network wireless communication system is used in a poor scene, the wearable multi-mode acquisition equipment 1 and the data transceiver equipment 2 are connected in a wired way through the multi-path multi-mode data processing equipment 4, so that a large amount of packet loss of physiological signals is avoided, and the acquired physiological signals can be completely transmitted to the upper computer equipment; when the device is used in a scene with radio frequency shielding, physiological signals can be normally transmitted, and collected physiological signals can be completely transmitted to the upper computer equipment. Ensuring that physiological signals can be effectively transmitted in different scenarios.
In an embodiment, each wearable multi-mode acquisition device 1 comprises a power supply module 11, a multi-mode acquisition module 12, an MCU master control module 13 and a communication module 14; the multi-mode acquisition module 12, the MCU main control module 13 and the communication module 14 are all connected with the power supply module 11; the multi-mode acquisition module 12 is connected with the MCU main control module 13; the MCU master control module 13 is connected with the communication module 14. The power module 11 adopts a battery to supply power to each module, the multi-mode acquisition module 12 acquires physiological signals and transmits the acquired physiological signals to the MCU main control module 13, and the MCU main control module 13 receives the acquired physiological signals and transmits the physiological signals to the communication module 14. Wherein the communication module 14 includes a wireless communication module 141 and a wired communication module 142; the wireless communication module 141 and the wired communication module 142 both receive the collected physiological signals, and the wireless communication module 141 is connected with the data transceiver 2 to transmit the physiological signals to the data transceiver 2; the wired communication module 142 is connected to the multi-path multi-mode data processing device 4 and transmits physiological signals to the multi-path multi-mode data processing device 4.
Specifically, as shown in fig. 2, the multi-mode acquisition module 12 includes an electroencephalogram unit 121, an electromyography unit 122, an electrocardio unit 123, a dermatome unit 124, a blood oxygen unit 125 and a processing unit 126, wherein the electroencephalogram unit 121, the electromyography unit 122, the electrocardio unit 123, the dermatome unit 124 and the blood oxygen unit 125 are all connected with the processing unit 126, and the processing unit 126 is connected with the MCU main control module 13. The electroencephalogram unit 121 is used for collecting electroencephalogram signals, the electromyogram unit 122 is used for collecting electromyogram signals, the electrocardio unit 123 is used for collecting electrocardio signals, the dermatome unit 124 is used for collecting dermatome signals, the blood oxygen unit 125 is used for collecting blood oxygen signals, the processing unit 126 is used for obtaining collected physiological signals, the functions of filtering, amplifying, A/D conversion, data transmission and the like of the physiological signals are achieved, and the physiological signals are transmitted to the MCU main control module 13 through an SPI interface of the chip.
It should be noted that, the wearable multi-mode acquisition device 1 is directly worn on the inner side of the waist or elbow joint, and the parts such as the electroencephalogram cap of the electroencephalogram unit 121, the Ag/AgCl surface electrode of the myoelectric unit 122, the electrocardiograph lead of the electrocardiograph unit 123, the electrocardiograph probe of the electrocardiograph unit 124 and the blood oxygen finger clip of the blood oxygen unit 125 are connected to directly contact the human body, for example, the electroencephalogram unit 121 is worn on the head of the human body, and the electroencephalogram signals of the human body are acquired through the electrode in the electroencephalogram cap; the myoelectricity unit 122 is used for attaching an Ag/AgCl surface electrode to an arm of a person and collecting myoelectricity signals; the electrocardiograph unit 123 is that electrocardiograph electrodes connected by electrocardiograph leads are stuck on the chest to be tested, the electrocardiograph leads are three channel signals in total, and the three channel signals are reference signals, grounding signals and acquisition signals respectively for acquiring electrocardiograph signals; the skin electric unit 124 is that an Ag/AgCL electrode of a skin electric probe is stuck to the middle ends of an index finger and a middle finger of a person to collect skin electric signals; the blood oxygen unit 125 is a blood oxygen finger clip, one end of which is connected to the processing unit, and the other end of which is clipped to the finger of the person to collect the blood oxygen signal.
The MCU master control module 13 receives and transmits physiological signals transmitted by the processing unit 126 in the multi-modality acquisition module 12.
The wireless communication module 141 is connected with the MCU master control module 13 through a standard UART interface, the wireless communication module 141 receives physiological signals transmitted by the MCU master control module 13, the wireless communication module 141 is connected with the data transceiver 2, the wireless communication module 141 transmits the physiological signals to the data transceiver 2 in a wireless mode, the wireless communication module 141 adopts but is not limited to a WiFi module, and the wireless network standard of the WiFi module is IEEE802.11 and works in a 2.4/5G dual-frequency band.
The wired communication module 142 is connected with the MCU master control module 13 through a standard UART interface, the wired communication module 142 receives physiological signals transmitted by the MCU master control module 13, the wired module is connected with the multi-path multi-mode data processing equipment 4, the wired communication module 142 transmits the physiological signals to the multi-path multi-mode data processing equipment 4 in a wired mode, the wired communication module 142 adopts but is not limited to a differential serial communication module, preferably a differential serial communication module, and the differential serial communication module adopts LVD (SLow Voltage Differential Signaling, low-amplitude differential signal technology) as a transmission level standard. The wireless communication module 141 and the wired communication module 142 alternatively realize data (physiological signals) transmission, and the data transmission priority of the wireless communication module 141 is higher than that of the wired communication module 142, namely when the multi-channel multi-mode data processing device 4 detects that the data transmission quality (such as data interference, packet loss and the like) of the wireless communication module 141 meets a set value, the MCU main control module 13 cuts off the wired communication module 142 and performs data transmission through the wireless communication module 141; when the multi-path and multi-mode data processing device 4 detects that the data transmission quality of the wireless communication module 141 is lower than the set value, the MCU main control module 13 cuts off the wireless communication module 141 and performs data transmission through the wired communication module 142.
In an embodiment, the multi-path multi-mode data processing device 4 includes at least two isolation modules 41, a CPU processor 42, a data transceiver port module 43, and a power management module 44; the power management module 44 is connected with 220V commercial power, the power management module 44 converts the 220V commercial power into direct current, and steps down the direct current, and the step-down voltage is the working voltage of the CPU processor 42; the data receiving and transmitting port module 43 and the power management module 44 are connected with the CPU processor 42; each isolation module 41 corresponds to the wearable multi-mode acquisition device 1 one by one, the input end of each isolation module 41 is connected with a wired communication module 142 in the corresponding wearable multi-mode acquisition device 1, and the output end of each isolation module 41 is connected with the CPU processor 42; the data transmission/reception port module 43 is connected to the data transmission/reception device 2. Each isolation module 41 receives the physiological signal transmitted by the wired communication module 142 in the corresponding wearable multi-mode acquisition device 1, and transmits the physiological signal to the CPU processor 42, and the CPU processor 42 transmits the physiological signal to the data transceiver 2 through the data transceiver port module 43. The data transmitting and receiving port and the data transmitting and receiving device 2 are connected through a network cable.
The isolation module 41 isolates the wearable multi-mode acquisition device 1 from the multi-channel multi-mode data processing device 4 so as to realize isolation between a user and 220V of mains supply, meet safety regulations, ensure avoidance of safety risks and improve use safety. Meanwhile, when a plurality of users wear the wearable multi-mode acquisition device 1, a plurality of wearable multi-mode acquisition devices 1 exist, interference signals exist when the plurality of wearable multi-mode acquisition devices 1 are connected with the multi-channel multi-mode data processing device 4, physiological signals acquired by the wearable multi-mode acquisition device 1 are isolated through the isolating module 41, the interference signals existing among the physiological signals transmitted by the plurality of wearable multi-mode acquisition devices 1 are avoided, the physiological signals are effectively transmitted, and the capacity of the multi-channel multi-mode data processing device 4 is improved. The isolation module 41 employs, but is not limited to, an ADUM240x series digital isolation module 41 from ADI corporation.
The chip in the CPU processor 42 adopts a low-power-consumption and high-performance application processor chip, and each isolation module 41 is connected with the chip through a USB, so as to realize wired transmission of physiological signals with the multiple wearable multi-mode acquisition devices 1.
The data transceiver port module 43 adopts, but is not limited to, a gigabit ethernet port, preferably a gigabit ethernet port, and the gigabit ethernet port has a fast transmission speed, so that the collected physiological signals can be quickly transmitted to the data transceiver device 2, and the data transceiver device 2 transmits the physiological signals to the upper computer device 3.
In an embodiment, the data transceiving equipment 2 comprises a router and/or an ethernet switch.
In a specific embodiment of the present utility model, when the number of the multi-path multi-mode data processing devices 4 is less than or equal to 4, the data transceiver device 2 is a router, and the general router has a wide area network wan interface, four lan interfaces, the upper computer device 3 is connected with the wide area network wan interface, each multi-path multi-mode data processing device 4 is connected with a lan interface respectively, and each multi-path multi-mode data processing device 4 is connected with a lan interface corresponding to the multi-path multi-mode data processing device 4.
Specifically, as shown in fig. 3, the number of the multi-path multi-mode data processing devices 4 is 4, each multi-path multi-mode data processing device 4 is connected with 4 wearable multi-mode acquisition devices 1, the 4 multi-path multi-mode data processing devices 4 support 16 wearable multi-mode acquisition devices 1 to be connected through 1 router, and physiological signals of multiple people can be effectively transmitted simultaneously.
In some embodiments of the present utility model, when the number of the multi-path multi-mode data processing devices 4 is greater than four, the data transceiver device 2 is an ethernet switch, an interface of the ethernet switch is connected with the host device 3, the multi-path multi-mode data processing devices 4 are connected with the corresponding interfaces except for one interface connected with the host device 3, the more the interfaces of the ethernet switch are connected with the multi-path multi-mode data processing devices 4, the more the multi-path multi-mode data processing devices 4 are connected with the multi-path multi-mode data processing devices, the more the wearable multi-mode acquisition device 1 is correspondingly connected with the multi-path multi-mode data processing devices, so as to ensure that physiological signals of multiple people can be effectively transmitted simultaneously.
In some embodiments of the present utility model, the data transceiver 2 includes a plurality of routers and ethernet switches, as shown in fig. 4, where each router is connected to an ethernet switch, and the ethernet switch is further connected to the host device 3, so as to further ensure that physiological signals of multiple persons can be effectively transmitted at the same time.
In an embodiment, the host computer device 3 is a computer for displaying and processing the received physiological signals.
The wired wireless double-switching multi-person multi-mode physiological signal acquisition system supports multiple physiological signal transmission modes, the wearable multi-mode acquisition device 1 can be directly connected with the data transceiver device 2 in a communication mode to realize the transmission of physiological signals, the wearable multi-mode acquisition device 1 is connected with the multi-channel multi-mode data processing device 4, the multi-channel multi-mode data processing device 4 is connected with the data transceiver device 2 in a communication mode to realize the transmission of the physiological signals, the physiological signals can be effectively transmitted in different scenes, and the physiological signals acquired by the wearable multi-mode acquisition device worn by multiple users are supported to be synchronously transmitted to the upper computer device. In addition, the wearable multi-mode acquisition device 1 is used for acquiring physiological signals, wherein the acquired physiological signals comprise brain electrical signals, electromyographic signals, electrocardiosignals, skin electrical signals and blood oxygen signals, and multi-mode physiological signal acquisition is realized.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. A wired wireless dual-switching multi-person multi-mode physiological signal acquisition system, comprising:
at least two wearable multimodal acquisition devices (1);
the data transceiver (2) is in communication connection with each wearable multi-mode acquisition device (1) and the data transceiver (2);
the upper computer equipment (3), the upper computer equipment (3) is connected with the data receiving and transmitting equipment (2); and
the multi-path multi-mode data processing device (4) is connected with each wearable multi-mode acquisition device (1), and the multi-path multi-mode data processing device (4) is also connected with the data receiving and transmitting device (2).
2. A wired wireless dual-switching multi-person multi-mode physiological signal acquisition system according to claim 1, wherein each wearable multi-mode acquisition device (1) comprises a power supply module (11), a multi-mode acquisition module (12), an MCU main control module (13) and a communication module (14);
the multi-mode acquisition module (12), the MCU main control module (13) and the communication module (14) are all connected with the power supply module (11);
the multi-mode acquisition module (12) is connected with the MCU main control module (13);
the MCU main control module (13) is connected with the communication module (14).
3. A wired wireless dual-switched multi-person multi-modality physiological signal acquisition system according to claim 2, wherein said communication module (14) comprises a wireless communication module (141) and a wired communication module (142);
the wireless communication module (141) is connected with the data receiving and transmitting device (2), and the wired communication module (142) is connected with the multi-path multi-mode data processing device (4);
the wireless communication module (141) and the wired communication module (142) alternatively realize data transmission, and the data transmission priority of the wireless communication module (141) is higher than that of the wired communication module (142).
4. A wired wireless dual-switched multi-person multi-mode physiological signal acquisition system according to claim 3, wherein said multi-path multi-mode data processing device (4) comprises at least two isolation modules (41), a CPU processor (42), a data transceiver port module (43) and a power management module (44);
the power management module (44) is connected with 220V mains supply, the power management module (44) converts the 220V mains supply into direct current, and reduces the direct current, and the reduced voltage is the working voltage of the CPU processor (42);
the data receiving and transmitting port module (43) and the power management module (44) are connected with the CPU processor (42);
each isolation module (41) corresponds to the wearable multi-mode acquisition device (1) one by one, the input end of each isolation module (41) is connected with a wired communication module (142) in the corresponding wearable multi-mode acquisition device (1), and the output end of each isolation module (41) is connected with the CPU (42);
the data transceiver port module (43) is connected with the data transceiver device (2).
5. The system for acquisition of multi-person and multi-mode physiological signals with wired and wireless dual switching according to claim 4, wherein said wired communication module (142) is a differential serial communication module.
6. The wired wireless double-switching multi-person multi-mode physiological signal acquisition system according to claim 2, wherein the multi-mode acquisition module (12) comprises an electroencephalogram unit (121), an electromyography unit (122), an electrocardio unit (123), a skin electricity unit (124), an blood oxygen unit (125) and a processing unit (126), wherein the electroencephalogram unit (121), the electromyography unit (122), the electrocardio unit (123), the skin electricity unit (124) and the blood oxygen unit (125) are all connected with the processing unit (126), and the processing unit (126) is connected with the MCU main control module (13).
7. A wired wireless dual-switched multi-person multi-modality physiological signal acquisition system according to claim 1, wherein said data transceiver device (2) comprises a router and/or an ethernet switch.
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