CN108418596B - Information acquisition system and method based on wearable equipment - Google Patents
Information acquisition system and method based on wearable equipment Download PDFInfo
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- CN108418596B CN108418596B CN201810158078.4A CN201810158078A CN108418596B CN 108418596 B CN108418596 B CN 108418596B CN 201810158078 A CN201810158078 A CN 201810158078A CN 108418596 B CN108418596 B CN 108418596B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses an information acquisition system based on wearable equipment, which comprises: the electronic monitoring device: the system comprises a base station, an electronic monitoring device and a base station, wherein the base station is used for receiving a wake-up signal sent by the base station and matching the received wake-up signal, and waking up the electronic monitoring device and sending a signal to the base station after the matching is successful, otherwise, the electronic monitoring device keeps a low power consumption state; a base station: the system comprises a server, a wake-up signal receiving module, a wake-up signal sending module, a signal processing module and a signal processing module, wherein the wake-up signal receiving module is used for sending a wake-up signal to the electronic monitoring equipment, receiving and processing the signal sent by the electronic monitoring equipment and sending the processed signal to the server; a server: the system is used for receiving the signals sent by the base station and acquiring the information of the electronic monitoring equipment according to the received signals. According to the invention, the electronic monitoring equipment with the awakening function is arranged, and the electronic monitoring equipment is awakened only after the received awakening signal is successfully matched, so that the electronic monitoring equipment can be prevented from always sending a positioning signal or other related data, and the endurance time of the electronic monitoring equipment is effectively prolonged.
Description
Technical Field
The invention relates to the technical field of information acquisition, in particular to an information acquisition system and method based on wearable equipment.
Background
For the wearable electronic monitoring device, the power consumption is an important parameter for evaluating the performance of the wearable electronic monitoring device, and reducing the power consumption and optimizing the power consumption are always targets that are infinitely pursued by technical personnel in the field, and especially when the wearable electronic monitoring device needs to be positioned or acquire specific data in a specific scene, such as positioning or specific data acquisition in a certain specified area or a certain building, the conventional wearable electronic monitoring device has large power consumption and poor positioning accuracy when positioning is needed, which seriously affects the endurance time and the use effect of the wearable electronic monitoring device.
Therefore, how to achieve low-power consumption information acquisition of the wearable monitoring electronic device is of great significance.
Disclosure of Invention
In view of this, the present application provides an information acquisition system and method based on a wearable device, which wake up an electronic monitoring device only after a received wake-up signal is successfully matched by setting the electronic monitoring device with a wake-up function, so that the electronic monitoring device is prevented from sending a positioning signal or other related data all the time, and the duration of the electronic monitoring device is effectively increased. The invention is realized by the following technical scheme:
wearable device-based information acquisition system, comprising:
the electronic monitoring device: the system comprises a base station, an electronic monitoring device and a base station, wherein the base station is used for receiving a wake-up signal sent by the base station and matching the received wake-up signal, and waking up the electronic monitoring device and sending a signal to the base station after the matching is successful, otherwise, the electronic monitoring device keeps a low power consumption state;
a base station: the system comprises a server, a wake-up signal receiving module, a wake-up signal sending module, a signal processing module and a signal processing module, wherein the wake-up signal receiving module is used for sending a wake-up signal to the electronic monitoring equipment, receiving and processing the signal sent by the electronic monitoring equipment and sending the processed signal to the server;
a server: the system is used for receiving the signals sent by the base station and acquiring the information of the electronic monitoring equipment according to the received signals.
Further, the electronic monitoring device comprises:
an antenna: the system comprises a wake-up module, a base station and a clock module, wherein the wake-up module is used for receiving a wake-up signal sent by the base station and sending the received wake-up signal to the wake-up module;
a wake-up module: the first microprocessor is used for receiving the wake-up signal sent by the antenna, matching the received wake-up signal and sending a wake-up instruction signal to the first microprocessor after the matching is successful;
the first microprocessor: the first Bluetooth module is used for receiving and processing the wake-up instruction signal sent by the wake-up module and then sending the processed signal to the first Bluetooth module;
the first Bluetooth module: and the base station is used for receiving the signal sent by the first microprocessor and sending a Beacon signal to the base station according to the received signal.
Furthermore, the electronic monitoring device further comprises a data collector, the data collector is used for collecting relevant data and sending the collected data to the first bluetooth module, and the first bluetooth module is also used for receiving the data sent by the data collector and sending the received data to the base station.
Further, the base station: the switching device is also used for sending a switching signal to the electronic monitoring equipment;
the first Bluetooth module: the base station is also used for receiving a switching signal sent by the base station and sending the switching signal to the first microprocessor;
the first microprocessor: the first Bluetooth module is used for receiving and processing a switching signal sent by the first Bluetooth module and then sending the processed signal to the awakening module;
a wake-up module: and the microprocessor is also used for receiving the signal sent by the first microprocessor and switching the matching mode of the wake-up signal according to the signal received from the first microprocessor.
Further, the base station includes:
the signal transmitting module: the system comprises a display device, a wake-up module, a display module and a control module, wherein the wake-up module is used for sending a wake-up signal to the electronic monitoring device;
the second Bluetooth module: the Beacon monitoring device is used for receiving the Beacon signal sent by the electronic monitoring device and sending field information in the Beacon signal to the second microprocessor;
a second microprocessor: the Bluetooth module is used for receiving and processing the signals sent by the second Bluetooth module and then sending the processed signals to the communication module;
a communication module: the signal processing device is used for receiving and processing the signal sent by the second microprocessor and then sending the processed signal to the server.
Further, the server: the system is also used for sending a switching signal to the communication module, wherein the switching signal is used for switching the mode of the wake-up signal;
a communication module: the switching device is also used for receiving a switching signal sent by the server and sending the switching signal to the second microprocessor;
a second microprocessor: the switching module is also used for receiving and processing the switching signal sent by the communication module, and then sending the processed switching signal to the second Bluetooth module and the signal transmitting module at the same time;
the second Bluetooth module: the switching device is also used for receiving and processing the switching signal sent by the second microprocessor and then sending the processed switching signal to the electronic monitoring equipment;
the signal transmitting module: and the switching module is also used for receiving a switching signal sent by the second microprocessor and switching the mode of the wake-up signal sent to the electronic monitoring equipment according to the switching signal received from the second microprocessor.
An information acquisition method for acquiring information by the wearable device-based information acquisition system includes:
step S1: the base station sends a wake-up signal to the electronic monitoring equipment;
step S2: the electronic monitoring device matches the wake-up signal, and the step S3 is carried out after the matching is successful, otherwise, the electronic monitoring device keeps a low power consumption state;
step S3: the server acquires the information of the electronic monitoring equipment through the base station.
Further, step S3 includes:
step S311: the electronic monitoring equipment broadcasts Beacon signals to the base station;
step S312: the base station analyzes the Beacon signal and sends analysis information of the Beacon signal and an RSSI value of the Beacon signal to a server;
step S313: and the server obtains the position information of the electronic monitoring equipment according to the analysis information of the Beacon signal and the RSSI value.
Alternatively, step S3 includes:
step S321: judging the type of the wake-up signal, broadcasting a Beacon signal to the base station by the electronic monitoring equipment according to the type of the wake-up signal, or waiting for the Bluetooth connection to be established with the base station by the electronic monitoring equipment, if the Beacon signal is broadcast to the base station by the electronic monitoring equipment, performing step S322, and if the Bluetooth connection to be established with the base station is waited for by the electronic monitoring equipment, performing step S324;
step S322: the base station analyzes the Beacon signal and sends analysis information of the Beacon signal and an RSSI value of the Beacon signal to a server;
step S323: the server obtains the position information of the electronic monitoring equipment according to the analysis information of the Beacon signal and the RSSI value;
step S324: and after the electronic monitoring equipment is successfully connected with the base station through the Bluetooth, the base station acquires the data of the sensor in the electronic monitoring equipment and sends the data to the server.
Further, the wake-up signal includes two modes of electric wave without Manchester code information and electric wave with Manchester code information.
Further, the step S321 specifically includes:
step S3211: judging the type of the wake-up signal, if the wake-up signal does not carry the Manchester code information, proceeding to step S3212, if the wake-up signal carries the Manchester code information, proceeding to step S3213,
step S3212: the electronic monitoring equipment broadcasts a Beacon signal to the base station, and then the step S322 is carried out; automatically switching to wait for establishing Bluetooth connection with the base station at intervals during broadcasting the Beacon signal, and then performing step S324;
step S3213: judging the state identification of the Manchester code, if the state identification is in a Beacon mode, performing step S3214, and if the state identification is in a Bluetooth slave mode, performing step S3215;
step S3214: the electronic monitoring equipment broadcasts a Beacon signal to the base station, and then the step S322 is carried out;
step S3215: the electronic monitoring device waits for a bluetooth connection to the base station and then proceeds to step S324.
Further, the step S2 is specifically: and judging whether the wake-up signal is a wake-up signal in a preset wake-up area, if so, performing step S3, and if not, keeping the electronic monitoring device in a low power consumption state.
Further, the Beacon signal is a positioning broadcast frame with a UUID field, and the base station analyzes the Beacon signal specifically as follows: and the base station acquires the electronic monitoring equipment identifier, the area information of the electronic monitoring equipment and the electronic monitoring equipment key in the UUID field.
Further, the number of the base stations is at least three, and the step of obtaining the position information of the electronic monitoring device by the server according to the analysis information of the Beacon signal and the RSSI value specifically includes:
calculating the distance between the electronic monitoring equipment and each base station by formula (I)
d＝10^((abs(RSSI)-A)/(10*n)) (Ⅰ)
Wherein d is the distance between the electronic monitoring device and the base station, RSSI is the signal strength of the positioning broadcast frame sent by the electronic monitoring device, A is the signal strength of the positioning broadcast frame sent by the electronic monitoring device when the electronic monitoring device is separated from the base station by one meter, n is an environment attenuation factor, and abs is a function for solving an absolute value;
selecting any three base stations, and calculating the abscissa and ordinate of the electronic monitoring device according to the equation set consisting of the formula (II)
di 2＝(xi-x)2+(yi-y)2 (Ⅱ)
Wherein x isiIs the abscissa, y, of the base stationiThe coordinate is the ordinate of the base station, x is the abscissa of the electronic monitoring device, y is the ordinate of the electronic monitoring device, and i is 1, 2, 3;
and acquiring the specific position information of the electronic monitoring equipment by combining the analytic information of the positioning broadcast frame through the abscissa and the ordinate of the electronic monitoring equipment.
The invention can avoid the electronic monitoring device from sending positioning signal or related data information all the time, thereby effectively improving the endurance time of the electronic monitoring device, secondly, the invention realizes the communication between the electronic monitoring device and the base station by the Bluetooth technology, has low power consumption and flexible application, is beneficial to improving the endurance time of the electronic monitoring device, and in addition, the invention has various modes for the wake-up signal, can change the matching complexity of the electronic monitoring device by setting different wake-up signal modes, and can be flexibly selected by users according to the actual situation, thereby being safe and reliable, and improving the working efficiency of the system by selecting proper signal mode.
Drawings
Fig. 1 is a block diagram of a system architecture provided by the present invention.
Fig. 2 is a schematic flow chart of the method provided in embodiment 2.
Fig. 3 is a schematic flow chart of the method provided in embodiment 3.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1, the present embodiment provides an information acquiring system based on a wearable device, including:
the electronic monitoring device: the system comprises a base station, an electronic monitoring device and a base station, wherein the base station is used for receiving a wake-up signal sent by the base station and matching the received wake-up signal, and the electronic monitoring device is awakened and sends a signal to the base station after the matching is successful, otherwise, the electronic monitoring device keeps a low power consumption state;
a base station: the system comprises a server, a wake-up signal receiving module, a wake-up signal sending module, a signal processing module and a signal processing module, wherein the wake-up signal receiving module is used for sending a wake-up signal to the electronic monitoring equipment, receiving and processing the signal sent by the electronic monitoring equipment and sending the processed signal to the server;
a server: the system is used for receiving the signals sent by the base station and acquiring the information of the electronic monitoring equipment according to the received signals.
Specifically, in this embodiment, the electronic monitoring device includes:
an antenna: the system comprises a wake-up module, a base station and a clock module, wherein the wake-up module is used for receiving a wake-up signal sent by the base station and sending the received wake-up signal to the wake-up module;
a wake-up module: the first microprocessor is used for receiving the wake-up signal sent by the antenna, matching the received wake-up signal and sending a wake-up instruction signal to the first microprocessor after the matching is successful;
the first microprocessor: the first Bluetooth module is used for receiving and processing the wake-up instruction signal sent by the wake-up module and then sending the processed signal to the first Bluetooth module;
the first Bluetooth module: and the base station is used for receiving the signal sent by the first microprocessor and sending a Beacon signal to the base station according to the received signal.
Specifically, the base station includes:
the signal transmitting module: the system comprises a display device, a wake-up module, a display module and a control module, wherein the wake-up module is used for sending a wake-up signal to the electronic monitoring device;
the second Bluetooth module: the system comprises a first microprocessor, a second microprocessor, a first signal processing module, a second signal processing module and a data processing module, wherein the first microprocessor is used for receiving a Beacon signal sent by electronic monitoring equipment and sending field information in the Beacon signal to the second microprocessor;
a second microprocessor: the Bluetooth module is used for receiving and processing the signals sent by the second Bluetooth module and then sending the processed signals to the communication module;
a communication module: the signal processing device is used for receiving and processing the signal sent by the second microprocessor and then sending the processed signal to the server.
In this embodiment, the electronic monitoring device may further include a data collector, where the data collector is configured to collect related data and send the collected data to the first bluetooth module, and the first bluetooth module sends the data received from the data collector to the base station. When the wearable device or the person under guardianship is specifically implemented, the data collector can be a heart rate blood oxygen sensor and/or a six-axis motion sensor, the motion state of the wearable device or the person under guardianship is detected through the six-axis motion sensor, and the heart rate blood oxygen information of the person under guardianship is detected through the heart rate blood oxygen sensor, so that a worker can conveniently and accurately know the relevant information of the wearable device or the person under guardianship; in addition, the wearable device can further comprise an SWD adjusting port, an OLED screen, a first FLASH module and a USB interface module which are respectively connected with the first microprocessor. The base station may also include a second FLASH module connected to the second microprocessor.
Specifically, in this embodiment:
a base station: the switching device is also used for sending a switching signal to the electronic monitoring equipment;
the first Bluetooth module: the base station is also used for receiving a switching signal sent by the base station and sending the switching signal to the first microprocessor;
the first microprocessor: the first Bluetooth module is used for receiving and processing a switching signal sent by the first Bluetooth module and then sending the processed signal to the awakening module;
a wake-up module: and the microprocessor is also used for receiving the signal sent by the first microprocessor and switching the matching mode of the wake-up signal according to the signal received from the first microprocessor.
Specifically, in this embodiment:
a server: the system is also used for sending a switching signal to the communication module, wherein the switching signal is used for switching the mode of the wake-up signal;
a communication module: the switching device is also used for receiving a switching signal sent by the server and sending the switching signal to the second microprocessor;
a second microprocessor: the switching module is also used for receiving and processing the switching signal sent by the communication module, and then sending the processed switching signal to the second Bluetooth module and the signal transmitting module at the same time;
the second Bluetooth module: the switching device is also used for receiving and processing the switching signal sent by the second microprocessor and then sending the processed switching signal to the electronic monitoring equipment;
the signal transmitting module: and the switching module is also used for receiving a switching signal sent by the second microprocessor and switching the mode of the wake-up signal sent to the electronic monitoring equipment according to the switching signal received from the second microprocessor.
In this embodiment, the wake-up signal may have multiple modes, specifically, the wake-up signal may have two modes, namely an electric wave without the manchester encoded information and an electric wave with the manchester encoded information, in a specific implementation, the mode of the wake-up signal sent by the base station may be switched, it should be noted that the mode of the wake-up signal sent by the base station corresponds to the matching mode of the electronic monitoring device for the wake-up signal, and once the mode of the wake-up signal sent by the base station is switched, the matching mode of the electronic monitoring device for the wake-up signal is also switched accordingly. In addition, the communication module may be a GSRS communication module or a WIFI communication module. The electric wave of the wake-up signal may be a 125kHz radio low frequency electric wave.
The embodiment can be used for positioning alone, and also can be used for positioning and acquiring specific data such as heart rate blood oxygen information and the like at the same time, when the wake-up signal is an electric wave without Manchester coding information, the real-time embodiment is used for positioning and acquiring specific data such as heart rate blood oxygen information and the like at the same time, specifically, when the wake-up signal is an electric wave without Manchester coding information, the real-time embodiment is firstly used for positioning, and acquires specific data such as heart rate blood oxygen information and the like at intervals during the positioning; when the wake-up signal is the electric wave with the Manchester coding information, the real-time example is only used for positioning or only used for acquiring specific data such as heart rate and blood oxygen information according to the state identification of the Manchester coding. In specific implementation, the embodiment can achieve different working states by switching the wake-up signal mode.
The embodiment can be used in different public places such as hospitals, nursing homes and nursing homes, when the system is specifically implemented, the base station is installed at a door, a stair entrance, an elevator entrance and the like, and the person under guardianship can position the person under guardianship by acquiring the position information of the electronic monitoring device once the person under guardianship enters a monitoring area or a wake-up area by taking the electronic monitoring device in the embodiment.
Example 2
As shown in fig. 2, the present embodiment provides an information obtaining method, where the information obtaining method obtains relevant information through the wearable device-based information obtaining system provided in implementation 1, and the method provided in the present embodiment is only used for positioning an electronic monitoring device, and includes:
step S1: the base station sends a wake-up signal to the electronic monitoring equipment;
step S2: the electronic monitoring device matches the wake-up signal, and the step S3 is carried out after the matching is successful, otherwise, the electronic monitoring device keeps a low power consumption state;
step S3: the server acquires the information of the electronic monitoring equipment through the base station.
In this embodiment, step S2 specifically includes: and judging whether the wake-up signal is a wake-up signal in a preset wake-up area, if so, performing step S3, and if not, keeping the electronic monitoring device in a low power consumption state.
Specifically, step S3 includes:
step S311: the electronic monitoring equipment broadcasts Beacon signals to the base station;
step S312: the base station analyzes the Beacon signal and sends analysis information of the Beacon signal and an RSSI value of the Beacon signal to a server;
step S313: and the server obtains the position information of the electronic monitoring equipment according to the analysis information of the Beacon signal and the RSSI value.
It should be noted here that the broadcast period of the Beacon signal may be 20ms to 1000ms, and in specific implementation, the coverage area of the Beacon signal is 50 meters, all base stations within the coverage area can receive and analyze the Beacon signal, and then combine the analyzed signal with the RSSI value of the Beacon signal to send to the server, and the server calculates the distances between the wearable device and the base stations according to the RSSI of the Beacon signal, and calculates the specific position and the activity track of the person under guardianship.
It should be further noted that, since the positioning system provided in embodiment 1 can be used in different public places, and base station signals in different public places may interfere with each other, it is necessary to perform area matching on the wake-up signal, that is, to determine whether the wake-up signal is a wake-up signal in a preset wake-up area of the wearable device, so as to improve the positioning accuracy. During the specific implementation, when the mode of the wake-up signal is the wireless low-frequency electric wave without the Manchester code information, the wearable device is awakened once entering the wake-up area, and when the mode of the wake-up signal is the wireless low-frequency electric wave with the Manchester code information, the user can preset the code information in the electronic monitoring device, so that the Manchester code information is matched, and the wearable device is awakened after the match is successful.
Specifically, the Beacon signal is a positioning broadcast frame with a UUID field, and the base station analyzes the Beacon signal in step S312 specifically as follows: and the base station acquires the electronic monitoring equipment identifier, the area information of the electronic monitoring equipment and the electronic monitoring equipment key in the UUID field.
Specifically, the number of base stations in this embodiment is at least three, and step S313 specifically includes:
calculating the distance between the electronic monitoring equipment and each base station by formula (I)
d＝10^((abs(RSSI)-A)/(10*n)) (Ⅰ)
Wherein d is the distance between the electronic monitoring device and the base station, RSSI is the signal intensity of the positioning broadcast frame sent by the electronic monitoring device, A is the signal intensity of the positioning broadcast frame sent by the electronic monitoring device when the electronic monitoring device is separated from the base station by one meter, n is an environmental attenuation factor, n takes a value of 2-2.5 in an open space, n takes a value of 2.5-3.0 in a semi-open space, n takes a value of 3.0-3.5 in a fully-closed space, and abs is a function for solving an absolute value;
selecting any three base stations, and calculating the abscissa and ordinate of the electronic monitoring device according to the equation set consisting of the formula (II)
di 2＝(xi-x)2+(yi-y)2 (Ⅱ)
Wherein x isiIs the abscissa, y, of the base stationiThe coordinate is the ordinate of the base station, x is the abscissa of the electronic monitoring device, y is the ordinate of the electronic monitoring device, and i is 1, 2, 3;
and acquiring the specific position information of the electronic monitoring equipment by combining the analytic information of the positioning broadcast frame through the abscissa and the ordinate of the electronic monitoring equipment.
Example 3
As shown in fig. 3, this embodiment provides an information obtaining method different from that in embodiment 2, and this embodiment may only locate the electronic monitoring device, may only obtain specific data related to the electronic monitoring device, and may also obtain specific data related to the electronic monitoring device at intervals during the location, which specifically includes:
step S1: the base station sends a wake-up signal to the electronic monitoring equipment;
step S2: the electronic monitoring device matches the wake-up signal, and the step S3 is carried out after the matching is successful, otherwise, the electronic monitoring device keeps a low power consumption state;
step S3: the server acquires the information of the electronic monitoring equipment through the base station.
In this embodiment, step S2 specifically includes: and judging whether the wake-up signal is a wake-up signal in a preset wake-up area, if so, performing step S3, and if not, keeping the electronic monitoring device in a low power consumption state.
Specifically, step S3 includes:
step S321: judging the type of the wake-up signal, broadcasting a Beacon signal to the base station by the electronic monitoring equipment according to the type of the wake-up signal, or waiting for the Bluetooth connection to be established with the base station by the electronic monitoring equipment, if the Beacon signal is broadcast to the base station by the electronic monitoring equipment, performing step S322, and if the Bluetooth connection to be established with the base station is waited for by the electronic monitoring equipment, performing step S324;
step S322: the base station analyzes the Beacon signal and sends analysis information of the Beacon signal and an RSSI value of the Beacon signal to a server;
step S323: the server obtains the position information of the electronic monitoring equipment according to the analysis information of the Beacon signal and the RSSI value;
step S324: and after the electronic monitoring equipment is successfully connected with the base station through the Bluetooth, the base station acquires the data of the sensor in the electronic monitoring equipment and sends the data to the server.
In the present embodiment, the wake-up signal includes two modes of a radio wave without manchester-encoded information and a radio wave with manchester-encoded information.
Specifically, step S321 specifically includes:
step S3211: judging the type of the wake-up signal, if the wake-up signal does not carry the Manchester code information, proceeding to step S3212, if the wake-up signal carries the Manchester code information, proceeding to step S3213,
step S3212: the electronic monitoring equipment broadcasts a Beacon signal to the base station, and then the step S322 is carried out; automatically switching to wait for establishing Bluetooth connection with the base station at intervals during broadcasting the Beacon signal, and then performing step S324;
step S3213: judging the state identification of the Manchester code, if the state identification is in a Beacon mode, performing step S3214, and if the state identification is in a Bluetooth slave mode, performing step S3215;
step S3214: the electronic monitoring equipment broadcasts a Beacon signal to the base station, and then the step S322 is carried out;
step S3215: the electronic monitoring device waits for a bluetooth connection to the base station and then proceeds to step S324.
Specifically, the Beacon signal is a positioning broadcast frame with a UUID field, and the base station parses the Beacon signal in step S322 specifically: and the base station acquires the electronic monitoring equipment identifier, the area information of the electronic monitoring equipment and the electronic monitoring equipment key in the UUID field.
In this embodiment, the number of the base stations is at least three, and the obtaining, by the server, the location information of the electronic monitoring device according to the analysis information of the Beacon signal and the RSSI value specifically includes:
calculating the distance between the electronic monitoring equipment and each base station by formula (I)
d＝10^((abs(RSSI)-A)/(10*n)) (Ⅰ)
Wherein d is the distance between the electronic monitoring device and the base station, RSSI is the signal intensity of the positioning broadcast frame sent by the electronic monitoring device, A is the signal intensity of the positioning broadcast frame sent by the electronic monitoring device when the electronic monitoring device is separated from the base station by one meter, n is an environmental attenuation factor, n takes a value of 2-2.5 in an open space, n takes a value of 2.5-3.0 in a semi-open space, n takes a value of 3.0-3.5 in a fully-closed space, and abs is a function for solving an absolute value;
selecting any three base stations, and calculating the abscissa and ordinate of the electronic monitoring device according to the equation set consisting of the formula (II)
di 2＝(xi-x)2+(yi-y)2 (Ⅱ)
Wherein x isiIs the abscissa, y, of the base stationiThe coordinate is the ordinate of the base station, x is the abscissa of the electronic monitoring device, y is the ordinate of the electronic monitoring device, and i is 1, 2, 3;
and acquiring the specific position information of the electronic monitoring equipment by combining the analytic information of the positioning broadcast frame through the abscissa and the ordinate of the electronic monitoring equipment.
In this embodiment, the wake-up mode supports wake-up of 125KHz low-frequency signals with manchester codes and wake-up of 125KHz low-frequency signals without manchester codes.
In specific implementation, when the wake-up signal area is successfully matched, if the wake-up signal is a 125KHz low-frequency signal with Manchester codes, whether the state identifier in the Manchester codes is a Beacon mode or a Bluetooth slave mode is judged, if the state identifier in the Manchester codes is the Beacon mode, the awakened electronic monitoring equipment enters the Beacon mode, namely the electronic monitoring equipment broadcasts Beacon information for positioning, if the state identifier in the Manchester codes is the Bluetooth slave mode, the awakened electronic monitoring equipment enters the Bluetooth slave mode, the electronic monitoring equipment waits for establishing Bluetooth connection with a base station, and after the Bluetooth connection is successful, the electronic monitoring equipment submits sensor data such as blood oxygen heart rate and the like to the base station through the first Bluetooth module.
When the method is implemented specifically, when the wake-up signal area is matched successfully, if the wake-up signal is a 125KHz low-frequency signal without Manchester codes, the awakened electronic monitoring equipment directly enters a Beacon mode, namely, the awakened electronic monitoring equipment directly broadcasts Beacon information for positioning, and is automatically switched to a Bluetooth slave mode at intervals during broadcasting, waits for receiving a Bluetooth connection request of a base station, if so, the electronic monitoring equipment waits for establishing Bluetooth connection with the base station, and after the Bluetooth connection is successful, the electronic monitoring equipment submits heart rate, blood oxygen and other sensor data to the base station through the first Bluetooth module.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (13)
1. Information acquisition system based on wearable equipment, its characterized in that includes:
the electronic monitoring device: used for receiving the awakening signal sent by the base station and matching the received awakening signal, awakening the electronic monitoring equipment after successful matching and sending a signal to the base station, otherwise, the electronic monitoring equipment keeps a low power consumption state, wherein,
the wake-up signal comprises two modes of an electric wave without Manchester coded information and an electric wave with Manchester coded information, and when the wake-up signal is the electric wave without the Manchester coded information, the electronic monitoring equipment acquires heart rate and blood oxygen information specific data at intervals during positioning; when the wake-up signal is an electric wave with Manchester coding information, the electronic monitoring equipment is used for positioning or acquiring specific data of heart rate blood oxygen information according to the state identification of the Manchester coding;
a base station: the system comprises a server, a wake-up signal receiving module, a wake-up signal sending module, a signal processing module and a signal processing module, wherein the wake-up signal receiving module is used for sending a wake-up signal to the electronic monitoring equipment, receiving and processing the signal sent by the electronic monitoring equipment and sending the processed signal to the server;
a server: the system is used for receiving the signals sent by the base station and acquiring the information of the electronic monitoring equipment according to the received signals.
2. The wearable device-based information acquisition system of claim 1, wherein the electronic monitoring device comprises:
an antenna: the system comprises a wake-up module, a base station and a clock module, wherein the wake-up module is used for receiving a wake-up signal sent by the base station and sending the received wake-up signal to the wake-up module;
a wake-up module: the first microprocessor is used for receiving the wake-up signal sent by the antenna, matching the received wake-up signal and sending a wake-up instruction signal to the first microprocessor after the matching is successful;
the first microprocessor: the first Bluetooth module is used for receiving and processing the wake-up instruction signal sent by the wake-up module and then sending the processed signal to the first Bluetooth module;
the first Bluetooth module: and the base station is used for receiving the signal sent by the first microprocessor and sending a Beacon signal to the base station according to the received signal.
3. The information acquisition system based on wearable equipment of claim 2, wherein the electronic monitoring equipment further comprises a data collector, the data collector is used for collecting relevant data and sending the collected data to the first bluetooth module, and the first bluetooth module is further used for receiving the data sent by the data collector and sending the received data to the base station.
4. The wearable-device-based information acquisition system of claim 3,
a base station: the switching device is also used for sending a switching signal to the electronic monitoring equipment;
the first Bluetooth module: the base station is also used for receiving a switching signal sent by the base station and sending the switching signal to the first microprocessor;
the first microprocessor: the first Bluetooth module is used for receiving and processing a switching signal sent by the first Bluetooth module and then sending the processed signal to the awakening module;
a wake-up module: and the microprocessor is also used for receiving the signal sent by the first microprocessor and switching the matching mode of the wake-up signal according to the signal received from the first microprocessor.
5. The wearable-device-based information acquisition system according to claim 1, wherein the base station comprises:
the signal transmitting module: the system comprises a display device, a wake-up module, a display module and a control module, wherein the wake-up module is used for sending a wake-up signal to the electronic monitoring device;
the second Bluetooth module: the Beacon monitoring device is used for receiving the Beacon signal sent by the electronic monitoring device and sending field information in the Beacon signal to the second microprocessor;
a second microprocessor: the Bluetooth module is used for receiving and processing the signals sent by the second Bluetooth module and then sending the processed signals to the communication module;
a communication module: the signal processing device is used for receiving and processing the signal sent by the second microprocessor and then sending the processed signal to the server.
6. The wearable-device-based information acquisition system of claim 5,
a server: the system is also used for sending a switching signal to the communication module, wherein the switching signal is used for switching the mode of the wake-up signal;
a communication module: the switching device is also used for receiving a switching signal sent by the server and sending the switching signal to the second microprocessor;
a second microprocessor: the switching module is also used for receiving and processing the switching signal sent by the communication module, and then sending the processed switching signal to the second Bluetooth module and the signal transmitting module at the same time;
the second Bluetooth module: the switching device is also used for receiving and processing the switching signal sent by the second microprocessor and then sending the processed switching signal to the electronic monitoring equipment;
the signal transmitting module: and the switching module is also used for receiving a switching signal sent by the second microprocessor and switching the mode of the wake-up signal sent to the electronic monitoring equipment according to the switching signal received from the second microprocessor.
7. An information acquisition method, comprising:
step S1: the base station sends a wake-up signal to the electronic monitoring device, wherein the wake-up signal comprises two modes of electric waves without Manchester coded information and electric waves with the Manchester coded information;
step S2: the electronic monitoring device matches the wake-up signal, and after the match is successful, the step S3 is carried out, otherwise, the electronic monitoring device keeps a low power consumption state, wherein when the wake-up signal is an electric wave without Manchester coding information, the electronic monitoring device acquires heart rate blood oxygen information specific data at intervals during positioning; when the wake-up signal is an electric wave with Manchester coding information, the electronic monitoring equipment is used for positioning or acquiring specific data of heart rate blood oxygen information according to the state identification of the Manchester coding;
step S3: the server acquires the information of the electronic monitoring equipment through the base station.
8. The information acquisition method according to claim 7, wherein the step S2 specifically includes: and judging whether the wake-up signal is a wake-up signal in a preset wake-up area, if so, performing step S3, and if not, keeping the electronic monitoring device in a low power consumption state.
9. The information acquisition method according to claim 7, wherein step S3 includes:
step S311: the electronic monitoring equipment broadcasts Beacon signals to the base station;
step S312: the base station analyzes the Beacon signal and sends analysis information of the Beacon signal and an RSSI value of the Beacon signal to a server;
step S313: and the server obtains the position information of the electronic monitoring equipment according to the analysis information of the Beacon signal and the RSSI value.
10. The information acquisition method according to claim 7, wherein step S3 includes:
step S321: judging the type of the wake-up signal, broadcasting a Beacon signal to the base station by the electronic monitoring equipment according to the type of the wake-up signal, or waiting for the Bluetooth connection to be established with the base station by the electronic monitoring equipment, if the Beacon signal is broadcast to the base station by the electronic monitoring equipment, performing step S322, and if the Bluetooth connection to be established with the base station is waited for by the electronic monitoring equipment, performing step S324;
step S322: the base station analyzes the Beacon signal and sends analysis information of the Beacon signal and an RSSI value of the Beacon signal to a server;
step S323: the server obtains the position information of the electronic monitoring equipment according to the analysis information of the Beacon signal and the RSSI value;
step S324: and after the electronic monitoring equipment is successfully connected with the base station through the Bluetooth, the base station acquires the data of the sensor in the electronic monitoring equipment and sends the data to the server.
11. The information acquisition method according to claim 10, wherein the step S321 specifically includes:
step S3211: judging the type of the wake-up signal, if the wake-up signal does not carry the Manchester code information, proceeding to step S3212, if the wake-up signal carries the Manchester code information, proceeding to step S3213,
step S3212: the electronic monitoring equipment broadcasts a Beacon signal to the base station, and then the step S322 is carried out; automatically switching to wait for establishing Bluetooth connection with the base station at intervals during broadcasting the Beacon signal, and then performing step S324;
step S3213: judging the state identification of the Manchester code, if the state identification is in a Beacon mode, performing step S3214, and if the state identification is in a Bluetooth slave mode, performing step S3215;
step S3214: the electronic monitoring equipment broadcasts a Beacon signal to the base station, and then the step S322 is carried out;
step S3215: the electronic monitoring device waits for a bluetooth connection to the base station and then proceeds to step S324.
12. The method according to any one of claims 9 to 11, wherein the Beacon signal is a positioning broadcast frame with a UUID field, and the analyzing of the Beacon signal by the base station specifically includes: and the base station acquires the electronic monitoring equipment identifier, the area information of the electronic monitoring equipment and the electronic monitoring equipment key in the UUID field.
13. The information acquisition method according to any one of claims 9 to 11, wherein the number of the base stations is at least three, and the step of the server obtaining the location information of the electronic monitoring device according to the analysis information of the Beacon signal and the RSSI value specifically includes:
calculating the distance between the electronic monitoring equipment and each base station by formula (I)
d＝10^((abs(RSSI)-A)/(10*n)) (Ⅰ)
Wherein d is the distance between the electronic monitoring device and the base station, RSSI is the signal strength of the positioning broadcast frame sent by the electronic monitoring device, A is the signal strength of the positioning broadcast frame sent by the electronic monitoring device when the electronic monitoring device is separated from the base station by one meter, n is an environment attenuation factor, and abs is a function for solving an absolute value;
selecting any three base stations, and calculating the abscissa and ordinate of the electronic monitoring device according to the equation set consisting of the formula (II)
di 2＝(xi-x)2+(yi-y)2 (Ⅱ)
Wherein x isiIs the abscissa, y, of the base stationiThe coordinate is the ordinate of the base station, x is the abscissa of the electronic monitoring device, y is the ordinate of the electronic monitoring device, and i is 1, 2, 3;
and acquiring the specific position information of the electronic monitoring equipment by combining the analytic information of the positioning broadcast frame through the abscissa and the ordinate of the electronic monitoring equipment.
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| CN109151996B (en) * | 2018-09-05 | 2021-05-11 | 安徽中科数盾科技有限公司 | Bluetooth beacon indoor positioning equipment based on 125K is supplementary |
| CN111092631B (en) * | 2019-12-31 | 2021-10-19 | 成都麦杰康科技有限公司 | 433M communication system for realizing low power consumption |
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