CN112073284A - Star networking method for biological signal sensor and collector - Google Patents
Star networking method for biological signal sensor and collector Download PDFInfo
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- CN112073284A CN112073284A CN202010846489.XA CN202010846489A CN112073284A CN 112073284 A CN112073284 A CN 112073284A CN 202010846489 A CN202010846489 A CN 202010846489A CN 112073284 A CN112073284 A CN 112073284A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/44—Star or tree networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
A star networking method for a biological signal sensor and a collector comprises the following steps: s1: starting; s2: configuring wireless networking parameters; s3: starting networking; s4: judging whether networking is successful; s5: the signal concentrator and the signal terminal are powered up again; s6: and the signal terminal in the star network transmits the acquired corresponding data and the acquired communication state to the signal concentrator by default transmitting power of +20 dBM. The invention realizes the wireless networking, the distribution network and the communication between the multi-channel biological signal collector and the sensor which are simple and visual in operation, and each star network has the functions of data transmission rate, stable bandwidth frequency and the like, thereby avoiding the data packet loss rate caused by data collision from the physical space and greatly ensuring the integrity of data from the time.
Description
Technical Field
The invention relates to the field of multi-channel biological signal acquisition, in particular to a star networking method of a biological signal sensor and an acquisition device.
Background
The current multi-channel biological signal acquisition instrument generally has 4 or more acquisition input channels which are directly connected to sensors of different biological signals through cables. If the collection appearance needs a plurality of sensor data, just need many cables to use, cause the direct influence each other of sensor cable like this, the sensor is laid on the organism also receives certain influence simultaneously, directly leads to sensor and organism to remove bad or the phenomenon that drops when serious, finally influences the data collection, causes the experiment failure.
At present, companies propose wireless connection methods of biological signal acquisition instruments and sensors, which are based on WIFI and Bluetooth and have other forms. The method is basically in a form that one transmitting end corresponds to one receiving end, although the form realizes the application of partial scenes of basic teaching of the functional science to a certain extent, the receiving ends are too many to be used for networking of sensors, and the method is very passive in the scene that five sensor signals are wirelessly transmitted by a four-channel biological signal acquisition instrument. Of course, the probability of failure caused by too many receivers is relatively increased, which is not favorable for the portable development of the device of the biological signal acquisition instrument.
In summary, the prior art has the following problems:
in the prior art, the transmission mode between the existing multi-channel biological signal collector and the sensor is wired transmission, which is not beneficial to the collection and use of multiple sensors, and the wired transmission is difficult to collect ideal data in partial experimental scenes; the wireless transmission mode has the technical problems of high implementation difficulty, unstable transmission and the like. In real-time acquisition of biological signals, the absence of signals is not allowed in some experiments (such as electroencephalogram, electrocardio, electromyogram signals).
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a biological signal sensor and a star networking method of a collector, which realizes simple and visual wireless networking, network distribution and communication between a multi-channel biological signal collector and the sensor, and each star network has functions of respective data transmission rate, stable bandwidth frequency and the like, so that the data packet loss rate caused by data collision is avoided from a physical space, and the integrity of data is greatly ensured from time.
(II) technical scheme
In order to solve the problems, the invention provides a star networking method of a biological signal sensor and a collector, which comprises the following steps:
s1: starting;
inserting a signal concentrator on a wireless interface of a multi-channel signal acquisition instrument, and after a power supply is started, setting networking parameters of the signal concentrator through a wireless parameter configuration interface of the acquisition instrument; the networking parameters comprise a signal concentrator networking address, a networking frequency, a networking bandwidth and a communication frequency;
s2: configuring wireless networking parameters;
starting a signal terminal, setting a corresponding signal terminal according to configuration parameters of a signal concentrator, and setting the address of the signal terminal to be the same as that of the signal concentrator; the rest configuration parameters of the signal concentrator are automatically issued to the signal terminal in the networking process so as to carry out self-adaptive adjustment;
s3: starting networking;
clicking the self-networking of the wireless parameter interface, automatically retrieving the signal terminal consistent with the networking address by the signal concentrator, and simultaneously issuing the parameters such as networking frequency, communication frequency and the like to the signal terminal;
the wireless parameter configuration interface displays the number of the signal terminals and the equipment address numbers thereof, and meanwhile, the signal terminals are normally on corresponding to the LEDs when networking is successful;
if one of the signal terminals is not successfully networked, the address number of the equipment can be input into a signal terminal input box in the wireless parameter configuration interface, and networking is carried out again;
if one of the signal terminal devices is to be deleted, the signal terminal device can be deleted in the address number of the networking signal terminal in the wireless configuration and participation interface;
s4: judging whether networking is successful;
if so, networking fails without repeating S3; if the networking is successful, performing S5;
s5: the signal concentrator and the signal terminal are powered up again;
s6: the signal terminal in the star network transmits the acquired corresponding data and the communication state to the signal concentrator with the default transmitting power of +20 dBM;
if the signal concentrator receives the correct data, a correct data receiving state reply is given to the signal terminal;
if the signal concentrator receives the error data, an error receiving state reply is given to the signal terminal;
after receiving the error receiving state, the signal terminal caches unsuccessful data, so that the current data and the last data are sent to the signal concentrator again in +23dBM in the next transmission period, namely, the transmitting power is increased for data transmission;
if the same problem occurs to the same signal terminal five times in succession, a warning is sent to the signal concentrator, namely, the signal terminal has the problem; meanwhile, the signal terminal fault indicating lamp is flashing.
Preferably, the signal terminal is a sensor front-end acquisition terminal; the signal concentrator is a sensor signal receiving end; the signal terminal is used for acquiring signals, caching the acquired data, and wirelessly transmitting the data to the corresponding signal concentrator after the signal concentrator sends a transmission command; the signal concentrator is inserted in the wireless interface of the multi-channel signal acquisition instrument and used for the acquisition instrument to correspondingly analyze the data of the signal receiver.
Preferably, the signal terminal is used for completing signal acquisition of electrocardio, myoelectricity, tension and body temperature.
Preferably, the signal terminal is powered by a 3.7V rechargeable lithium battery.
The invention realizes the wireless networking, the distribution network and the communication between the multi-channel biological signal collector and the sensor which are simple and visual in operation, each star network has the functions of data transmission rate, stable bandwidth frequency and the like, the data packet loss rate caused by data collision is avoided from the physical space, and the integrity of data is greatly ensured from the time.
In the invention, the signal acquisition front end is divided into two parts of a signal terminal and a signal concentrator, the signal concentrator is directly spliced with the biological signal acquisition instrument, star networking can be rapidly carried out, a star communication network of the largest signal concentrator and 20 signal terminals is realized, and the application scenes of most biological signal acquisition are met.
According to the invention, networking resources are divided from physical hardware, so that the problem of high data packet loss rate caused by wireless transmission data collision can be avoided in time and space; only one signal concentrator is arranged, so that the space of equipment is greatly saved; the number of the signal terminals of the network is flexible and adjustable, and the signal terminals can be expanded conveniently.
The invention also guarantees the accuracy of star network communication to a certain extent in terms of algorithm, and guarantees the authenticity of data; after the parameters are configured, the network can be retrieved by self, one network is not needed to be debugged, and the networking efficiency is obviously improved.
According to the invention, hidden troubles and complexity caused by wiring are saved, and interference among components is reduced, so that the acquisition front end of the sensor is easier to fix on an experimenter or an animal body.
Drawings
Fig. 1 is a schematic flow chart of a star networking method of a biological signal sensor and a collector according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the star networking method for a biological signal sensor and a collector provided by the invention comprises the following steps:
s1: starting;
inserting a signal concentrator on a wireless interface of a multi-channel signal acquisition instrument, and after a power supply is started, setting networking parameters of the signal concentrator through a wireless parameter configuration interface of the acquisition instrument; the networking parameters comprise a signal concentrator networking address, a networking frequency, a networking bandwidth and a communication frequency;
s2: configuring wireless networking parameters;
starting a signal terminal, setting a corresponding signal terminal according to configuration parameters of a signal concentrator, and setting the address of the signal terminal to be the same as that of the signal concentrator; the rest configuration parameters of the signal concentrator are automatically issued to the signal terminal in the networking process so as to carry out self-adaptive adjustment;
s3: starting networking;
clicking the self-networking of the wireless parameter interface, automatically retrieving the signal terminal consistent with the networking address by the signal concentrator, and simultaneously issuing the parameters such as networking frequency, communication frequency and the like to the signal terminal;
the wireless parameter configuration interface displays the number of the signal terminals and the equipment address numbers thereof, and meanwhile, the signal terminals are normally on corresponding to the LEDs when networking is successful;
if one of the signal terminals is not successfully networked, the address number of the equipment can be input into a signal terminal input box in the wireless parameter configuration interface, and networking is carried out again;
if one of the signal terminal devices is to be deleted, the signal terminal device can be deleted in the address number of the networking signal terminal in the wireless configuration and participation interface;
s4: judging whether networking is successful;
if so, networking fails without repeating S3; if the networking is successful, performing S5;
s5: the signal concentrator and the signal terminal are powered up again;
s6: the signal terminal in the star network transmits the acquired corresponding data and the communication state to the signal concentrator with the default transmitting power of +20 dBM;
if the signal concentrator receives the correct data, a correct data receiving state reply is given to the signal terminal;
if the signal concentrator receives the error data, an error receiving state reply is given to the signal terminal;
after receiving the error receiving state, the signal terminal caches unsuccessful data, so that the current data and the last data are sent to the signal concentrator again in +23dBM in the next transmission period, namely, the transmitting power is increased for data transmission;
if the same problem occurs to the same signal terminal five times in succession, a warning is sent to the signal concentrator, namely, the signal terminal has the problem; meanwhile, the signal terminal fault indicating lamp is flashing.
In an optional embodiment, the signal terminal is a sensor front-end acquisition terminal; the signal concentrator is a sensor signal receiving end;
the signal terminal is used for acquiring signals, caching the acquired data, and wirelessly transmitting the data to the corresponding signal concentrator after the signal concentrator sends a transmission command;
the signal concentrator is inserted in the wireless interface of the multi-channel signal acquisition instrument and used for the acquisition instrument to correspondingly analyze the data of the signal receiver.
In an optional embodiment, the signal terminal is used for completing signal acquisition of electrocardio, myoelectricity, tension and body temperature.
In an optional embodiment, the signal terminal is powered by a 3.7V rechargeable lithium battery, and is convenient to use.
The invention solves the problem that the prior multi-channel biological signal collector and the sensor are difficult to collect ideal data in partial experimental scenes by wired transmission; the technical problems of high implementation difficulty, unstable transmission and the like of a wireless transmission mode are solved.
The invention realizes the wireless networking, the distribution network and the communication between the multi-channel biological signal collector and the sensor which are simple and visual in operation, each star network has the functions of data transmission rate, stable bandwidth frequency and the like, the data packet loss rate caused by data collision is avoided from the physical space, and the integrity of data is greatly ensured from the time.
Example (b): adopting a CY-1000 biological signal acquisition instrument;
the signal concentrator is inserted on the acquisition instrument; and electrifying the electrocardio signal terminal, the tension signal terminal and the body temperature signal terminal and the biological signal acquisition instrument at the same time, and networking according to the networking process to realize a one-to-three star network.
The parameters of the signal concentrator are set as a networking address 0x01, a networking frequency 430, a networking bandwidth 1M and a communication frequency 9600 bps; the signal terminal group network address is 0x 01; the device numbers of the three terminal devices are respectively counted as a terminal device 101, a terminal device 102 and a terminal device 103.
After networking is successful, signal acquisition can be carried out, and the biological signal acquisition instrument analyzes and extracts data transmitted to the signal concentrator by the single signal terminals of electrocardio, tension and body temperature; then, displaying the data in the upper computer software of the biological signal acquisition instrument;
and finally, the channel display waveforms on the interface software correspond to the signal terminals one by one:
displaying a dynamic waveform in a first software display channel of the upper computer by the electrocardiogram data transmitted by the terminal equipment 101;
the tension data transmitted by the terminal equipment 102 shows dynamic waveforms in a software display channel II of the upper computer;
and the body temperature data transmitted by the terminal equipment 103 shows dynamic waveforms in the third display channel of the upper computer software.
In conclusion, the invention has the following technical effects and advantages:
in the invention, the signal acquisition front end is divided into two parts of a signal terminal and a signal concentrator, the signal concentrator is directly spliced with the biological signal acquisition instrument, star networking can be rapidly carried out, a star communication network of the largest signal concentrator and 20 signal terminals is realized, and the application scenes of most biological signal acquisition are met;
according to the invention, networking resources are divided from physical hardware, so that the problem of high data packet loss rate caused by wireless transmission data collision can be avoided in time and space; only one signal concentrator is arranged, so that the space of equipment is greatly saved; the number of the signal terminals of the network is flexible and adjustable, and the signal terminals are greatly convenient to expand;
the invention also guarantees the accuracy of star network communication to a certain extent in terms of algorithm, and guarantees the authenticity of data; the self-retrieval networking can be realized after the parameter configuration, one networking debugging is not needed, and the networking efficiency is obviously improved;
according to the invention, hidden troubles and complexity caused by wiring are saved, and interference among components is reduced, so that the acquisition front end of the sensor is easier to fix on an experimenter or an animal body.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (4)
1. A star networking method for a biological signal sensor and a collector is characterized by comprising the following steps:
s1: starting;
inserting a signal concentrator on a wireless interface of a multi-channel signal acquisition instrument, and after a power supply is started, setting networking parameters of the signal concentrator through a wireless parameter configuration interface of the acquisition instrument; the networking parameters comprise a signal concentrator networking address, a networking frequency, a networking bandwidth and a communication frequency;
s2: configuring wireless networking parameters;
starting a signal terminal, setting a corresponding signal terminal according to configuration parameters of a signal concentrator, and setting the address of the signal terminal to be the same as that of the signal concentrator; the rest configuration parameters of the signal concentrator are automatically issued to the signal terminal in the networking process so as to carry out self-adaptive adjustment;
s3: starting networking;
clicking the self-networking of the wireless parameter interface, automatically retrieving the signal terminal consistent with the networking address by the signal concentrator, and simultaneously issuing the parameters such as networking frequency, communication frequency and the like to the signal terminal;
the wireless parameter configuration interface displays the number of the signal terminals and the equipment address numbers thereof, and meanwhile, the signal terminals are normally on corresponding to the LEDs when networking is successful;
if one of the signal terminals is not successfully networked, the address number of the equipment can be input into a signal terminal input box in the wireless parameter configuration interface, and networking is carried out again;
if one of the signal terminal devices is to be deleted, the signal terminal device can be deleted in the address number of the networking signal terminal in the wireless configuration and participation interface;
s4: judging whether networking is successful;
if so, networking fails without repeating S3; if the networking is successful, performing S5;
s5: the signal concentrator and the signal terminal are powered up again;
s6: the signal terminal in the star network transmits the acquired corresponding data and the communication state to the signal concentrator with the default transmitting power of +20 dBM;
if the signal concentrator receives the correct data, a correct data receiving state reply is given to the signal terminal;
if the signal concentrator receives the error data, an error receiving state reply is given to the signal terminal;
after receiving the error receiving state, the signal terminal caches unsuccessful data, so that the current data and the last data are sent to the signal concentrator again in +23dBM in the next transmission period, namely, the transmitting power is increased for data transmission;
if the same problem occurs to the same signal terminal five times in succession, a warning is sent to the signal concentrator, namely, the signal terminal has the problem; meanwhile, the signal terminal fault indicating lamp is flashing.
2. The star networking method for the biological signal sensor and the collector as claimed in claim 1, wherein the signal terminal is a sensor front end collecting terminal; the signal concentrator is a sensor signal receiving end;
the signal terminal is used for acquiring signals, caching the acquired data, and wirelessly transmitting the data to the corresponding signal concentrator after the signal concentrator sends a transmission command;
the signal concentrator is inserted in the wireless interface of the multi-channel signal acquisition instrument and used for the acquisition instrument to correspondingly analyze the data of the signal receiver.
3. The star networking method for the biological signal sensor and the collector as claimed in claim 2, wherein the signal terminal is used for completing signal collection of electrocardio, myoelectricity, tension and body temperature.
4. The star networking method for the biological signal sensor and the collector according to claim 2, wherein the signal terminal is powered by a 3.7V rechargeable lithium battery.
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