CN111818621A - Bluetooth device awakening method, device and system and electronic device - Google Patents

Bluetooth device awakening method, device and system and electronic device Download PDF

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Publication number
CN111818621A
CN111818621A CN201910286491.3A CN201910286491A CN111818621A CN 111818621 A CN111818621 A CN 111818621A CN 201910286491 A CN201910286491 A CN 201910286491A CN 111818621 A CN111818621 A CN 111818621A
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bluetooth
radio frequency
bluetooth device
frequency signal
rfid tag
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Chinese (zh)
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徐禄勇
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Alibaba Group Holding Ltd
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Alibaba Group Holding Ltd
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Priority to CN201910286491.3A priority Critical patent/CN111818621A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
    • 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
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention provides a method, a device and a system for awakening Bluetooth equipment and electronic equipment, wherein the method comprises the following steps: the Bluetooth gateway sends an instruction for awakening the Bluetooth equipment to the RFID reader; in response to the instruction to wake up the Bluetooth device, the RFID reader sends a radio frequency signal; and responding to the radio frequency signal by the RFID tag, and outputting a level signal to the Bluetooth device bound with the RFID tag so as to wake up the Bluetooth device. According to the invention, the Bluetooth device is awakened by using the RFID tag with level output capability as the awakening switch, and the Bluetooth device is awakened by sending a signal to the RFID tag by means of the RFID Reader to trigger the RFID tag to output the level, so that the Bluetooth device does not need to be awakened ineffectively frequently to save the consumption of a power supply.

Description

Bluetooth device awakening method, device and system and electronic device
Technical Field
The application relates to a Bluetooth device awakening method, device and system and an electronic device, and belongs to the technical field of computers.
Background
At present, the bluetooth device is applied in a plurality of scenes in the retail field, and the existing bluetooth device needs to detect whether a communication signal exists or not through periodic awakening in the application process, so that the power consumption is increased, and the service life of the device is reduced.
Disclosure of Invention
The embodiment of the invention provides a method, a device and a system for awakening a Bluetooth device and an electronic device, so as to reduce the power consumption of the Bluetooth device.
In order to achieve the above object, an embodiment of the present invention provides a bluetooth device waking method, including:
the Bluetooth gateway sends an instruction for awakening the Bluetooth equipment to the RFID reader;
in response to the instruction to wake up the Bluetooth device, the RFID reader sends a radio frequency signal;
and responding to the radio frequency signal by the RFID tag, and outputting a level signal to the Bluetooth device bound with the RFID tag so as to wake up the Bluetooth device.
An embodiment of the present invention further provides a bluetooth device, including:
the Bluetooth device comprises a Bluetooth device and an RFID label with a level output function, wherein a level output port of the RFID label is connected with a wake-up circuit of the Bluetooth device.
An embodiment of the present invention further provides a bluetooth gateway device, including:
a Bluetooth gateway and an RFID reader in communication connection with the Bluetooth gateway,
the Bluetooth gateway is used for sending an instruction for awakening the Bluetooth equipment to the RFID reader;
the RFID reader is used for responding to the instruction for awakening the Bluetooth equipment, sending a radio frequency signal, and triggering the RFID tag bound with the Bluetooth equipment to send a level signal to the Bluetooth equipment so as to awaken the Bluetooth equipment.
The embodiment of the invention also provides a method for waking up the Bluetooth equipment, which comprises the following steps:
receiving an instruction for awakening the Bluetooth device from the Bluetooth gateway;
responding to the instruction for awakening the Bluetooth equipment, sending a radio frequency signal, and triggering the RFID tag bound with the Bluetooth equipment to send a level signal to the Bluetooth equipment so as to awaken the Bluetooth equipment.
The embodiment of the invention also provides a method for waking up the Bluetooth equipment, which comprises the following steps:
receiving a radio frequency signal;
and acquiring electric energy from the radio frequency signal, generating a level signal, and outputting the level signal to the Bluetooth device bound with the level signal so as to wake up the Bluetooth device.
The embodiment of the invention also provides a bluetooth device awakening device, which comprises:
the instruction receiving module is used for receiving an instruction for awakening the Bluetooth equipment from the Bluetooth gateway;
and the radio frequency signal sending module is used for responding to the instruction for awakening the Bluetooth equipment, sending a radio frequency signal, and triggering the RFID tag bound with the Bluetooth equipment to send a level signal to the Bluetooth equipment so as to awaken the Bluetooth equipment.
The embodiment of the invention also provides a bluetooth device awakening device, which comprises:
the radio frequency signal receiving module is used for receiving radio frequency signals;
and the awakening processing module is used for acquiring electric energy from the radio frequency signal, generating a level signal and outputting the level signal to the Bluetooth equipment bound with the level signal so as to awaken the Bluetooth equipment.
An embodiment of the present invention further provides an electronic device, including:
a memory for storing a program;
a processor, coupled to the memory, for executing the program for:
receiving an instruction for awakening the Bluetooth device from the Bluetooth gateway;
responding to the instruction for awakening the Bluetooth equipment, sending a radio frequency signal, and triggering the RFID tag bound with the Bluetooth equipment to send a level signal to the Bluetooth equipment so as to awaken the Bluetooth equipment.
An embodiment of the present invention further provides an electronic device, including:
a memory for storing a program;
a processor, coupled to the memory, for executing the program for:
receiving a radio frequency signal;
and acquiring electric energy from the radio frequency signal, generating a level signal, and outputting the level signal to the Bluetooth device bound with the level signal so as to wake up the Bluetooth device.
According to the embodiment of the invention, the Bluetooth tag is awakened by using the RFID tag with level output capability as the awakening switch, and the Bluetooth tag is awakened by sending a signal to the RFID tag by means of the RFID Reader to trigger the RFID tag to output the level, so that the Bluetooth tag does not need to be awakened ineffectively frequently, and the power consumption is reduced.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Fig. 1 is one of application scenarios of a bluetooth device wake-up method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a bluetooth device wake-up method according to an embodiment of the present invention;
fig. 3 is a second schematic view of an application scenario of the bluetooth device wake-up method according to the embodiment of the present invention;
fig. 4 is a third schematic view of an application scenario of the bluetooth device wake-up method according to the embodiment of the present invention;
fig. 5 is a second flowchart illustrating a bluetooth device wake-up method according to an embodiment of the present invention;
fig. 6 is a third schematic flowchart of a bluetooth device wake-up method according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a Bluetooth device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a bluetooth gateway according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art
In an application scenario of the bluetooth device, the device periodically wakes up to detect whether a communication signal exists or not, so that power consumption is increased.
The technical solution of the present invention is further illustrated by some specific examples.
As shown in fig. 1, the view is one of application scenarios of a Bluetooth device wake-up method according to an embodiment of the present invention, where the scenario includes a Bluetooth Gateway (BLE is Bluetooth Low Energy), an RFID Reader (RFID Reader), an RFID tag, and a Bluetooth device (BLE device), where the Bluetooth Gateway and the RFID Reader are active devices, and both of them may communicate through wired connection or wireless communication. In addition, the Bluetooth device and the RFID tag are in a binding relationship and are in wired connection, the RFID tag is a passive device, and after receiving a radio frequency signal, energy is obtained through induced current so that level can be output, and therefore the RFID tag can serve as a wake-up switch for waking up the Bluetooth device connected with the RFID tag. Therefore, in a specific application scene, the bluetooth device can be in a low-power-consumption sleep state, and when information interaction is needed, the RFID tag wakes up, so that the bluetooth device does not need to frequently wake up inefficiently, and the power consumption of the bluetooth device can be saved.
Specifically, when the bluetooth gateway needs to be connected with the bluetooth tag, the bluetooth gateway sends an instruction for waking up the bluetooth tag to the RFID reader, the RFID reader sends a radio frequency signal after receiving the instruction, and the corresponding RFID tag obtains energy through induced current after receiving the radio frequency signal, so that the level can be output to wake up the bluetooth tag, and the woken-up bluetooth tag can be connected with the bluetooth gateway.
The technical solution of the present invention is further illustrated by some specific examples.
Example one
As shown in fig. 2, which is a schematic flow chart of a bluetooth device wake-up method according to an embodiment of the present invention, the method includes the following steps:
s101: the bluetooth gateway sends an instruction to the RFID reader to wake up the bluetooth device.
Specifically, the bluetooth gateway and the RFID reader may communicate with each other through a wired connection or through wireless communication, so as to send an instruction to the RFID reader to wake up the bluetooth device. The Bluetooth gateway can send an instruction for awakening a certain specified Bluetooth device to the RFID reader, and can also send an instruction for awakening a plurality of Bluetooth devices.
S102: in response to an instruction to wake up the bluetooth device, the RFID reader transmits a radio frequency signal.
Based on the technical principle of RFID, the RFID reader triggers the RFID tag corresponding to the matching code to execute corresponding processing through the matching code carried in the radio frequency signal. As described above, the bluetooth gateway may wake up a specific bluetooth device or wake up a plurality of bluetooth devices through the RFID reader, and the following processing methods may be respectively adopted for these two requirements.
1) Waking up designated bluetooth device
For the instruction of waking up the specified bluetooth device, the matching code (referred to as the first matching code for distinguishing from the following) carried in the radio frequency signal sent by the RFID reader corresponds to the identity of the RFID tag bound to the specified bluetooth device.
As shown in fig. 3, which is a second schematic view of an application scenario of the bluetooth device waking method according to the embodiment of the present invention, different unique ID identifiers are set in the RFID tags, and when an instruction to wake up a specified bluetooth device is received, the RFID Reader may send the first matching code through a radio frequency signal, where the first matching code corresponds to an ID of an RFID tag bound to the specified bluetooth device, for example, as shown in the figure, the RFID Reader needs to wake up the bluetooth device 3, and therefore sends a matching code 003 corresponding to the ID of the RFID tag bound to the bluetooth device 3 through a radio frequency signal.
2) Waking up multiple bluetooth devices at a time
In some scenarios, the bluetooth gateway may need to establish connections with multiple bluetooth devices at once to collect data or have the multiple bluetooth devices perform certain processing actions together. For example, a plurality of bluetooth devices with temperature detection functions are arranged in a certain area, and the bluetooth gateway can wake up all the bluetooth devices in the area as required and collect real-time temperatures detected by the bluetooth devices.
For the requirement, after receiving the instruction for waking up the plurality of bluetooth devices, the RFID reader may send a radio frequency signal carrying second matching codes corresponding to the plurality of RFID tags bound to the plurality of bluetooth devices.
As shown in fig. 4, which is a third schematic view of an application scenario of the bluetooth device wake-up method according to the embodiment of the present invention, a same matching code may be set in a plurality of RFID tags as a default wake-up code, and when receiving an instruction to wake up a plurality of bluetooth devices, the RFID Reader may send the matching code through a radio frequency signal, where the matching code corresponds to the default wake-up code of the RFID tags bound to the plurality of bluetooth devices, for example, as shown in the figure, the RFID Reader needs to wake up a plurality of bluetooth devices, and therefore, the matching code 000 corresponding to the default wake-up code of the RFID tags bound to the plurality of bluetooth devices is sent through the radio frequency signal.
In addition, in practical application, a default wake-up code for waking up a plurality of bluetooth devices in response and an identity of a designated bluetooth device in response to the wake-up may be set in the RFID tag, so as to wake up the corresponding bluetooth devices for different instructions. As shown in the figure, for example, in the RFID tag 3, i.e. the identity 003 is stored, the default wake-up is also stored 000.
S103: the RFID tag outputs a level signal to the Bluetooth device bound with the RFID tag in response to the radio frequency signal so as to wake up the Bluetooth device.
Specifically, for the situation of waking up the specified bluetooth device, after receiving the radio frequency signal, the RFID tag may obtain a first matching code carried in the radio frequency signal, compare the first matching code with the stored identity, and if the first matching code is matched with the stored identity, output a level signal to the bluetooth device bound to the RFID tag to wake up the bluetooth device.
The RFID tag decodes the matching code sent by the RFID Reader after obtaining energy in the magnetic field of the radio frequency signal, then compares the decoded matching code with the identity (unique ID) stored in the RFID tag, and wakes up the corresponding Bluetooth device through the output level, thereby realizing directional wake-up operation. For example, as shown in fig. 3, the identification 003 of the RFID tag 3 matches the matching code, so that the RFID tag 3 wakes up the bluetooth device 3 corresponding thereto through the output level.
In addition, aiming at the condition of waking up a plurality of Bluetooth devices, the RFID tag responds to the radio frequency signal, acquires a second matching code carried in the radio frequency signal, compares the second matching code with a stored default wake-up code, and outputs a level signal to the Bluetooth device bound with the RFID tag if the second matching code is matched with the stored default wake-up code so as to wake up the Bluetooth devices.
In the above description, the same default wake-up code may be set in a plurality of RFID tags, and after decoding the matching code sent by the RFID reader, the RFID tag compares the decoded matching code with the default wake-up code stored in the RFID tag, and the RFID tag with the matching code wakes up the bluetooth device corresponding to the matching code through the output level. For example, as shown in fig. 4, the default wake-up code 000 of the plurality of RFID tags 0 to n matches the matching code, so the plurality of RFID tags 0 to n wake up the corresponding bluetooth devices 0 to n by the output level.
In practical application, the identity and the default wake-up code may also be set in each RFID tag. As shown in FIG. 4, each RFID tag has an identification (001-00n) and a default wake-up code (000) set therein. After receiving the radio frequency signal, extracting a matching code (possibly a first wake-up code or a second wake-up code) therein, comparing the matching code with the identity and the default wake-up code respectively, and executing the operation of waking up the corresponding Bluetooth device through the output level as long as the matching code is matched with one of the identity and the default wake-up code.
Besides the above steps, the embodiment of the present invention may further include a process of establishing a communication connection with the bluetooth gateway after the bluetooth device is awakened. The Bluetooth connection establishment process can establish connection in a non-directional broadcast mode and a directional broadcast mode. In the embodiment of the present invention, in order to shorten the time for establishing the bluetooth connection, it is preferable to establish the bluetooth connection in a directional broadcast manner, where the directional broadcast manner may be initiated by a bluetooth gateway, as in S104, or initiated by a bluetooth device, as in S105.
As shown in fig. 5, which is a second flowchart of a bluetooth device wake-up method according to an embodiment of the present invention, the method may further include S104.
S104: and the Bluetooth gateway sends a directional broadcast signal after sending an instruction for awakening the Bluetooth device to the RFID reader. After the bluetooth device is awakened through the above step S103, the bluetooth device searches for the directional broadcast signal and establishes a communication connection with the bluetooth gateway.
Because the time interval for sending the periodic signal by the directional broadcast is shorter than that of sending the periodic signal by the common broadcast, the Bluetooth gateway can use the directional broadcast to call the Bluetooth device and establish connection with the Bluetooth device, so that the Bluetooth device can establish connection with the Bluetooth device and complete information interaction in the shortest time after being awakened, and immediately enters a sleep mode after the information interaction is completed, thereby saving the power consumption to the maximum extent in the process.
As shown in fig. 6, which is a third flowchart of a bluetooth device wake-up method according to an embodiment of the present invention, the method may further include S105.
S105: after the Bluetooth device is awakened, the Bluetooth gateway sends out a directional broadcast signal, searches the directional broadcast signal and establishes communication connection with the Bluetooth device.
In the above description, the bluetooth device may be a bluetooth tag, and the bluetooth tag may be applied to a plurality of specific scenes, for example, the bluetooth tag may be attached to a commodity and used as a price tag, and in the using process, the bluetooth price tag only needs to be awakened when there is a need to change the price, so that frequent and ineffective awakening is avoided, the electric energy is saved, and the service life is prolonged.
According to the embodiment of the invention, the Bluetooth device is awakened by using the RFID tag with level output capability as the awakening switch and sending a signal to the RFID tag by means of the RFID Reader to trigger the RFID tag to output the level to awaken the Bluetooth device, so that the Bluetooth device does not need to be awakened ineffectively frequently to save the consumption of electric energy.
Example two
An embodiment of the present invention further provides a bluetooth device wake-up system, as shown in fig. 1, the system includes: bluetooth gateway, RFID reader and RFID label.
And the Bluetooth gateway is used for sending an instruction for awakening the Bluetooth equipment to the RFID reader.
Specifically, the bluetooth gateway and the RFID reader may communicate with each other through a wired connection or through wireless communication, so as to send an instruction to the RFID reader to wake up the bluetooth device. The Bluetooth gateway can send an instruction for awakening a certain specified Bluetooth device to the RFID reader, and can also send an instruction for awakening a plurality of Bluetooth devices.
And the RFID reader is used for responding to the instruction for waking up the Bluetooth device and sending a radio frequency signal.
Based on the technical principle of RFID, the RFID reader triggers the RFID tag corresponding to the matching code to execute corresponding processing through the matching code carried in the radio frequency signal. As described above, the bluetooth gateway may wake up a specific bluetooth device or wake up a plurality of bluetooth devices through the RFID reader, and the following processing methods may be respectively adopted for these two requirements.
1) Waking up designated bluetooth device
For the instruction of waking up the specified bluetooth device, the matching code (referred to as the first matching code for distinguishing from the following) carried in the radio frequency signal sent by the RFID reader corresponds to the identity of the RFID tag bound to the specified bluetooth device.
In practical application, different unique ID identifications can be set in the RFID tag, the ID identifications are the identity identifications of the RFID tag, when an instruction for awakening the appointed Bluetooth device is received, the RFID Reader can send the first matching code through a radio frequency signal, and the first matching code corresponds to the identity identification of the RFID tag bound with the appointed Bluetooth device.
2) Waking up multiple bluetooth devices at a time
In some scenarios, the bluetooth gateway may need to establish connections with multiple bluetooth devices at once to collect data or have the multiple bluetooth devices perform certain processing actions together. For example, a plurality of bluetooth devices with temperature detection functions are arranged in a certain area, and the bluetooth gateway can wake up all the bluetooth devices in the area as required and collect real-time temperatures detected by the bluetooth devices.
For the requirement, after receiving the instruction for waking up the plurality of bluetooth devices, the RFID reader may send a radio frequency signal carrying second matching codes corresponding to the plurality of RFID tags bound to the plurality of bluetooth devices.
In a specific scene, one same matching code can be set in a plurality of RFID tags to serve as a default wake-up code, when an instruction for waking up a plurality of Bluetooth devices is received, the RFID Reader can send the matching code through a radio frequency signal, and the matching code corresponds to the default wake-up code of the RFID tag bound with the plurality of Bluetooth devices.
In addition, in practical application, a default wake-up code for waking up a plurality of bluetooth devices in response and an identity of a designated bluetooth device in response to the wake-up may be set in the RFID tag, so as to wake up the corresponding bluetooth devices for different instructions.
And the RFID tag is used for responding to the radio frequency signal and outputting a level signal to the Bluetooth device bound with the RFID tag so as to wake up the Bluetooth device.
Specifically, for the situation of waking up the specified bluetooth device, after receiving the radio frequency signal, the RFID tag may obtain a first matching code carried in the radio frequency signal, compare the first matching code with the stored identity, and if the first matching code is matched with the stored identity, output a level signal to the bluetooth device bound to the RFID tag to wake up the bluetooth device.
The RFID tag decodes the matching code sent by the RFID Reader after obtaining energy in the magnetic field of the radio frequency signal, then compares the decoded matching code with the identity (unique ID) stored in the RFID tag, and wakes up the corresponding Bluetooth device through the output level, thereby realizing directional wake-up operation.
In addition, aiming at the condition of waking up a plurality of Bluetooth devices, the RFID tag responds to the radio frequency signal, acquires a second matching code carried in the radio frequency signal, compares the second matching code with a stored default wake-up code, and outputs a level signal to the Bluetooth device bound with the RFID tag if the second matching code is matched with the stored default wake-up code so as to wake up the Bluetooth devices.
In the above description, the same default wake-up code may be set in a plurality of RFID tags, and after decoding the matching code sent by the RFID reader, the RFID tag compares the decoded matching code with the default wake-up code stored in the RFID tag, and the RFID tag with the matching code wakes up the bluetooth device corresponding to the matching code through the output level.
In practical application, the identity and the default wake-up code may also be set in each RFID tag. After receiving the radio frequency signal, extracting a matching code (possibly a first wake-up code or a second wake-up code) therein, comparing the matching code with the identity and the default wake-up code respectively, and executing the operation of waking up the corresponding Bluetooth device through the output level as long as the matching code is matched with one of the identity and the default wake-up code.
In addition to the above description, the bluetooth gateway may be further configured to send a directional broadcast signal after sending an instruction to wake up the bluetooth device to the RFID reader, and search for the directional broadcast signal after the bluetooth device is woken up, and establish a communication connection with the bluetooth gateway.
Because the time interval for sending the periodic signal by the directional broadcast is shorter than that of sending the periodic signal by the common broadcast, the Bluetooth gateway can use the directional broadcast to call the Bluetooth device and establish connection with the Bluetooth device, so that the Bluetooth device can establish connection with the Bluetooth device and complete information interaction in the shortest time after being awakened, and immediately enters a sleep mode after the information interaction is completed, thereby saving the power consumption to the maximum extent in the process.
The above process of establishing connection between the bluetooth gateway and the bluetooth device may also be that after the bluetooth device is awakened, the bluetooth device sends out a directional broadcast signal, and the bluetooth gateway searches for the directional broadcast signal and establishes communication connection with the bluetooth device.
In the above description, the bluetooth device may be a bluetooth tag, and the bluetooth tag may be applied to a plurality of specific scenes, for example, the bluetooth tag may be attached to a commodity and used as a price tag, and in the using process, the bluetooth price tag only needs to be awakened when there is a need to change the price, so that frequent and ineffective awakening is avoided, the electric energy is saved, and the service life is prolonged.
According to the embodiment of the invention, the Bluetooth device is awakened by using the RFID tag with level output capability as the awakening switch and sending a signal to the RFID tag by means of the RFID Reader to trigger the RFID tag to output the level to awaken the Bluetooth device, so that the Bluetooth device does not need to be awakened ineffectively frequently to save the consumption of electric energy.
EXAMPLE III
An embodiment of the present invention further provides a bluetooth apparatus, as shown in fig. 7, which is a schematic structural diagram of the bluetooth apparatus according to the embodiment of the present invention, and the bluetooth apparatus includes a bluetooth device 21 and an RFID tag 22 having a level output function.
Specifically, the bluetooth device 21 and the RFID tag 22 are in a binding relationship, and a level output port of the RFID tag 22 is connected to a wake-up circuit of the bluetooth device 21. The RFID tag 22 itself is a passive device, and after receiving a radio frequency signal, it obtains energy by an induced current so that it can output a level, thereby acting as a wake-up switch for waking up the bluetooth device 21 connected thereto.
According to the embodiment of the invention, the Bluetooth device is awakened by using the RFID tag with level output capability as the awakening switch and sending a signal to the RFID tag by means of the RFID Reader to trigger the RFID tag to output the level to awaken the Bluetooth device, so that the Bluetooth device does not need to be awakened ineffectively frequently to save the consumption of electric energy.
Example four
An embodiment of the present invention further provides a bluetooth gateway device, as shown in fig. 8, which is a schematic structural diagram of the bluetooth gateway of the embodiment of the present invention, and the device includes a bluetooth gateway 31 and an RFID reader 32 in communication connection with the bluetooth gateway 31.
A bluetooth gateway 31 for sending an instruction to the RFID reader 32 to wake up the bluetooth device.
Specifically, the bluetooth gateway 31 and the RFID reader 32 may communicate with each other through a wired connection or through wireless communication, so as to send an instruction to the RFID reader 32 to wake up the bluetooth device. The bluetooth gateway 31 may send an instruction to wake up a specific bluetooth device to the RFID reader 32, or send an instruction to wake up a plurality of bluetooth devices.
And the RFID reader 32 is used for responding to the instruction for waking up the Bluetooth device, sending a radio frequency signal, and triggering the RFID tag bound with the Bluetooth device to send a level signal to the Bluetooth device so as to wake up the Bluetooth device.
Based on the technical principle of RFID, the RFID reader 32 triggers the RFID tag corresponding to the matching code to perform corresponding processing through the matching code carried in the radio frequency signal. As described above, the bluetooth gateway 31 may wake up a specific bluetooth device or wake up a plurality of bluetooth devices through the RFID reader 32, and the following processing methods may be respectively adopted for these two requirements.
1) Waking up designated bluetooth device
For the instruction to wake up the designated bluetooth device, the matching code (referred to as the first matching code for distinction) carried in the radio frequency signal transmitted by the RFID reader 32 corresponds to the identification of the RFID tag bound to the designated bluetooth device.
In practical application, different unique ID identifiers may be set in the RFID tag, where the ID identifier is an identity identifier of the RFID tag, and when an instruction to wake up a specified bluetooth device is received, the RFID reader 32 may send the first matching code through a radio frequency signal, where the first matching code corresponds to the identity identifier of the RFID tag bound to the specified bluetooth device.
Aiming at the condition of awakening the appointed Bluetooth equipment, after the RFID tag receives the radio frequency signal, the RFID tag can acquire a first matching code carried in the radio frequency signal and compare the first matching code with the stored identity, and if the first matching code is matched with the stored identity, the RFID tag outputs a level signal to the Bluetooth equipment bound with the RFID tag so as to awaken the Bluetooth equipment.
2) Waking up multiple bluetooth devices at a time
In some scenarios, the bluetooth gateway 31 may need to establish connections with multiple bluetooth devices at once to collect data or have the multiple bluetooth devices perform certain processing actions together. For example, a plurality of bluetooth devices with temperature detection functions are provided in a certain area, and the bluetooth gateway 31 may wake up all the bluetooth devices in the area as needed, and collect real-time temperatures detected by the bluetooth devices.
For such a requirement, after receiving the instruction to wake up the bluetooth devices, the RFID reader 32 may send a radio frequency signal carrying second matching codes corresponding to the RFID tags bound to the bluetooth devices.
In a specific scenario, a same matching code may be set in the plurality of RFID tags as a default wake-up code, and when receiving an instruction to wake up the plurality of bluetooth devices, the RFID reader 32 may send the matching code through a radio frequency signal, where the matching code corresponds to the default wake-up code of the RFID tag bound to the plurality of bluetooth devices.
And aiming at the condition of waking up a plurality of Bluetooth devices, the RFID tag responds to the radio frequency signal, acquires a second matching code carried in the radio frequency signal, compares the second matching code with a stored default waking code, and outputs a level signal to the Bluetooth device bound with the RFID tag if the second matching code is matched with the stored default waking code so as to wake up the Bluetooth devices.
In addition, in practical application, a default wake-up code for waking up a plurality of bluetooth devices in response and an identity of a designated bluetooth device in response to the wake-up may be set in the RFID tag, so as to wake up the corresponding bluetooth devices for different instructions.
According to the embodiment of the invention, the Bluetooth device is awakened by using the RFID tag with level output capability as the awakening switch and sending a signal to the RFID tag by means of the RFID Reader to trigger the RFID tag to output the level to awaken the Bluetooth device, so that the Bluetooth device does not need to be awakened ineffectively frequently to save the consumption of electric energy.
EXAMPLE five
The embodiment of the invention also provides a method for waking up the Bluetooth equipment, which can be applied to one side of the RFID reader and specifically comprises the following steps:
s401: an instruction from the bluetooth gateway to wake up the bluetooth device is received.
Specifically, the bluetooth gateway and the RFID reader may communicate with each other through a wired connection or through wireless communication, so as to send an instruction to the RFID reader to wake up the bluetooth device. The Bluetooth gateway can send an instruction for awakening a certain specified Bluetooth device to the RFID reader, and can also send an instruction for awakening a plurality of Bluetooth devices.
S402: responding to the instruction of awakening the Bluetooth device, sending a radio frequency signal, and triggering the RFID tag bound with the Bluetooth device to send a level signal to the Bluetooth device so as to awaken the Bluetooth device.
Correspondingly, the embodiment of the invention also provides a method for waking up the bluetooth device, which can be applied to one side of the RFID tag and specifically comprises the following steps:
s501: receiving a radio frequency signal, wherein the radio frequency signal may include a matching code, and after receiving the radio frequency signal, further extracting the matching code.
S502: and acquiring electric energy from the radio frequency signal, generating a level signal, and outputting the level signal to the Bluetooth device bound with the level signal so as to wake up the Bluetooth device. Further, the step may specifically be to compare the extracted matching code with the identity of the RFID tag or the default wake-up code, and if the matching code is matched with the identity of the RFID tag or the default wake-up code, output a level signal to the bluetooth device bound to the matching code, so as to wake up the bluetooth device. Specifically, based on the technical principle of RFID, the RFID reader triggers the RFID tag corresponding to the matching code to perform corresponding processing through the matching code carried in the radio frequency signal. As described above, the bluetooth gateway may wake up a specific bluetooth device or wake up a plurality of bluetooth devices through the RFID reader, and the following processing methods may be respectively adopted for these two requirements.
1) Waking up designated bluetooth device
For the instruction of waking up the specified bluetooth device, the matching code (referred to as the first matching code for distinguishing from the following) carried in the radio frequency signal sent by the RFID reader corresponds to the identity of the RFID tag bound to the specified bluetooth device.
In practical application, different unique ID identifications are set in the RFID tag, the ID identifications are the identity identifications of the RFID tag, when an instruction for awakening the appointed Bluetooth device is received, the RFID Reader can send the first matching code through a radio frequency signal, and the first matching code corresponds to the identity identification of the RFID tag bound with the appointed Bluetooth device.
Aiming at the condition of awakening the appointed Bluetooth equipment, after the RFID tag receives the radio frequency signal, the RFID tag can acquire a first matching code carried in the radio frequency signal and compare the first matching code with the stored identity, and if the first matching code is matched with the stored identity, the RFID tag outputs a level signal to the Bluetooth equipment bound with the RFID tag so as to awaken the Bluetooth equipment.
2) Waking up multiple bluetooth devices at a time
In some scenarios, the bluetooth gateway may need to establish connections with multiple bluetooth devices at once to collect data or have the multiple bluetooth devices perform certain processing actions together. For example, a plurality of bluetooth devices with temperature detection functions are arranged in a certain area, and the bluetooth gateway can wake up all the bluetooth devices in the area as required and collect real-time temperatures detected by the bluetooth devices.
For the requirement, after receiving the instruction for waking up the plurality of bluetooth devices, the RFID reader may send a radio frequency signal carrying second matching codes corresponding to the plurality of RFID tags bound to the plurality of bluetooth devices.
In a specific scene, one same matching code can be set in a plurality of RFID tags to serve as a default wake-up code, when an instruction for waking up a plurality of Bluetooth devices is received, the RFID Reader can send the matching code through a radio frequency signal, and the matching code corresponds to the default wake-up code of the RFID tag bound with the plurality of Bluetooth devices.
And aiming at the condition of waking up a plurality of Bluetooth devices, the RFID tag responds to the radio frequency signal, acquires a second matching code carried in the radio frequency signal, compares the second matching code with a stored default waking code, and outputs a level signal to the Bluetooth device bound with the RFID tag if the second matching code is matched with the stored default waking code so as to wake up the Bluetooth devices.
In addition, in practical application, a default wake-up code for responding to wake-up of a plurality of bluetooth devices and an identity for responding to wake-up of a specific bluetooth device may be set in the RFID tag, so as to wake-up the corresponding bluetooth devices for different instructions
According to the embodiment of the invention, the Bluetooth device is awakened by using the RFID tag with level output capability as the awakening switch and sending a signal to the RFID tag by means of the RFID Reader to trigger the RFID tag to output the level to awaken the Bluetooth device, so that the Bluetooth device does not need to be awakened ineffectively frequently to save the consumption of electric energy.
EXAMPLE six
The embodiment of the invention also provides a bluetooth device awakening device, which can be arranged at one side of an RFID reader and specifically comprises:
the instruction receiving module is used for receiving an instruction for awakening the Bluetooth equipment from the Bluetooth gateway;
and the radio frequency signal sending module is used for responding to the instruction for awakening the Bluetooth equipment, sending a radio frequency signal, and triggering the RFID tag bound with the Bluetooth equipment to send a level signal to the Bluetooth equipment so as to awaken the Bluetooth equipment.
Correspondingly, the embodiment of the present invention further provides a bluetooth device wake-up apparatus, which may be disposed on one side of the RFID tag, and specifically includes:
the radio frequency signal receiving module is used for receiving radio frequency signals;
and the awakening processing module is used for acquiring electric energy from the radio frequency signal, generating a level signal and outputting the level signal to the Bluetooth equipment bound with the level signal so as to awaken the Bluetooth equipment.
EXAMPLE seven
The foregoing embodiment describes a flow process and a device structure according to an embodiment of the present invention, and the functions of the method and the device can be implemented by an electronic device, as shown in fig. 9, which is a schematic structural diagram of the electronic device according to an embodiment of the present invention, and specifically includes: a memory 110 and a processor 120.
And a memory 110 for storing a program.
In addition to the programs described above, the memory 110 may also be configured to store other various data to support operations on the electronic device. Examples of such data include instructions for any application or method operating on the electronic device, contact data, phonebook data, messages, pictures, videos, and so forth.
The memory 110 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
A processor 120, coupled to the memory 110, for executing the program in the memory 110, for performing the following:
receiving an instruction for awakening the Bluetooth device from the Bluetooth gateway;
responding to the instruction for awakening the Bluetooth equipment, sending a radio frequency signal, and triggering the RFID tag bound with the Bluetooth equipment to send a level signal to the Bluetooth equipment so as to awaken the Bluetooth equipment.
As an embodiment of another electronic device, it includes: a memory 110 and a processor 120.
A memory 110 for storing a program;
a processor 120, coupled to the memory 110, for executing the program in the memory 110, for performing the following:
receiving a radio frequency signal;
and acquiring electric energy from the radio frequency signal, generating a level signal, and outputting the level signal to the Bluetooth device bound with the level signal so as to wake up the Bluetooth device.
The above detailed descriptions of the processing procedure, the technical principle, and the technical effect are described in detail in the foregoing embodiments, and are not repeated herein.
Further, as shown, the electronic device may further include: communication components 130, power components 140, audio components 150, display 160, and other components. Only some of the components are schematically shown in the figure and it is not meant that the electronic device comprises only the components shown in the figure.
The communication component 130 is configured to facilitate wired or wireless communication between the electronic device and other devices. The electronic device may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 130 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 130 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
The power supply component 140 provides power to the various components of the electronic device. The power components 140 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for an electronic device.
The audio component 150 is configured to output and/or input audio signals. For example, the audio component 150 includes a Microphone (MIC) configured to receive external audio signals when the electronic device is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may further be stored in the memory 110 or transmitted via the communication component 130. In some embodiments, audio assembly 150 also includes a speaker for outputting audio signals.
The display 160 includes a screen, which may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (21)

1. A bluetooth device wakeup method, comprising:
the Bluetooth gateway sends an instruction for awakening the Bluetooth equipment to the RFID reader;
in response to the instruction to wake up the Bluetooth device, the RFID reader sends a radio frequency signal;
and responding to the radio frequency signal by the RFID tag, and outputting a level signal to the Bluetooth device bound with the RFID tag so as to wake up the Bluetooth device.
2. The method of claim 1, wherein the transmitting, by the RFID reader, a radio frequency signal in response to the instruction to wake up a bluetooth device comprises:
responding to an instruction of awakening the appointed Bluetooth equipment, the RFID reader sends a radio frequency signal, and the radio frequency signal carries a first matching code corresponding to the identity of the RFID label bound with the appointed Bluetooth equipment.
3. The method of claim 2, wherein the RFID tag outputting a level signal to a bluetooth device bound thereto in response to the radio frequency signal to wake up the bluetooth device comprises:
the RFID tag responds to the radio frequency signal, acquires a first matching code carried in the radio frequency signal, compares the first matching code with the stored identity, and outputs a level signal to the Bluetooth device bound with the RFID tag if the first matching code is matched with the stored identity so as to wake up the Bluetooth device.
4. The method of claim 1, wherein the transmitting, by the RFID reader, a radio frequency signal in response to the instruction to wake up a bluetooth device comprises:
responding to an instruction for awakening the plurality of Bluetooth devices, the RFID reader sends a radio frequency signal, and the radio frequency signal carries second matching codes corresponding to the plurality of RFID tags bound with the plurality of Bluetooth devices.
5. The method of claim 1, wherein the RFID tag outputting a level signal to a bluetooth device bound thereto in response to the radio frequency signal to wake up the bluetooth device comprises:
and the RFID tag responds to the radio frequency signal, acquires a second matching code carried in the radio frequency signal, compares the second matching code with a stored default awakening code, and outputs a level signal to the Bluetooth equipment bound with the RFID tag to awaken the Bluetooth equipment if the second matching code is matched with the stored default awakening code.
6. The method of claim 1, further comprising:
the Bluetooth gateway sends a directional broadcast signal after sending an instruction for awakening the Bluetooth device to the RFID reader;
and after the Bluetooth equipment is awakened, searching the directional broadcast signal and establishing communication connection with the Bluetooth gateway.
7. The method of claim 1, further comprising:
and after being awakened, the Bluetooth equipment sends out a directional broadcast signal, and the Bluetooth gateway searches the directional broadcast signal and establishes communication connection with the Bluetooth equipment.
8. A bluetooth device wakeup system, comprising:
the Bluetooth gateway is used for sending an instruction for awakening the Bluetooth equipment to the RFID reader;
the RFID reader is used for responding to the instruction for waking up the Bluetooth device and sending a radio frequency signal;
and the RFID tag is used for responding to the radio frequency signal and outputting a level signal to the Bluetooth device bound with the RFID tag so as to wake up the Bluetooth device.
9. The system of claim 8, wherein the transmitting, by the RFID reader, a radio frequency signal in response to the instruction to wake up a bluetooth device comprises:
in response to an instruction for waking up a specified Bluetooth device, the RFID reader sends a first matching code corresponding to an RFID tag bound with the specified Bluetooth device through a radio frequency signal.
10. The system of claim 9, wherein the RFID tag outputting a level signal to a bluetooth device bound thereto in response to the radio frequency signal to wake up the bluetooth device comprises:
and the RFID tag responds to the radio frequency signal, acquires a first matching code carried in the radio frequency signal, compares the first matching code with the identity stored in the radio frequency signal, and outputs a level signal to the Bluetooth device bound with the RFID tag if the first matching code is matched with the identity stored in the RFID tag so as to wake up the Bluetooth device.
11. The system of claim 8, wherein the bluetooth gateway is further configured to: sending a directional broadcast signal after sending an instruction for awakening the Bluetooth device to the RFID reader;
the bluetooth device is configured to: and after being awakened, searching the directional broadcast signal and establishing communication connection with the Bluetooth gateway.
12. The system of claim 8, wherein the bluetooth device is further to: after the Bluetooth equipment is awakened, sending a directional broadcast signal;
the bluetooth gateway is further configured to: searching the directional broadcast signal and establishing communication connection with the Bluetooth device.
13. A bluetooth apparatus, comprising:
the Bluetooth device comprises a Bluetooth device and an RFID label with a level output function, wherein a level output port of the RFID label is connected with a wake-up circuit of the Bluetooth device.
14. A bluetooth gateway apparatus, comprising: a Bluetooth gateway and an RFID reader in communication connection with the Bluetooth gateway,
the Bluetooth gateway is used for sending an instruction for awakening the Bluetooth equipment to the RFID reader;
the RFID reader is used for responding to the instruction for awakening the Bluetooth equipment, sending a radio frequency signal, and triggering the RFID tag bound with the Bluetooth equipment to send a level signal to the Bluetooth equipment so as to awaken the Bluetooth equipment.
15. A bluetooth device wakeup method, comprising:
receiving an instruction for awakening the Bluetooth device from the Bluetooth gateway;
responding to the instruction for awakening the Bluetooth equipment, sending a radio frequency signal, and triggering the RFID tag bound with the Bluetooth equipment to send a level signal to the Bluetooth equipment so as to awaken the Bluetooth equipment.
16. A bluetooth device wakeup method, comprising:
receiving a radio frequency signal;
and acquiring electric energy from the radio frequency signal, generating a level signal, and outputting the level signal to the Bluetooth device bound with the level signal so as to wake up the Bluetooth device.
17. The method of claim 16, wherein the radio frequency signal includes a matching code therein, the method further comprising:
extracting a matching code carried by the radio frequency signal;
and if the matching code is matched with the identity of the RFID label or the default awakening code, outputting a level signal to the Bluetooth device bound with the matching code so as to awaken the Bluetooth device.
18. A bluetooth device wakeup apparatus, comprising:
the instruction receiving module is used for receiving an instruction for awakening the Bluetooth equipment from the Bluetooth gateway;
and the radio frequency signal sending module is used for responding to the instruction for awakening the Bluetooth equipment, sending a radio frequency signal, and triggering the RFID tag bound with the Bluetooth equipment to send a level signal to the Bluetooth equipment so as to awaken the Bluetooth equipment.
19. A bluetooth device wakeup apparatus, comprising:
the radio frequency signal receiving module is used for receiving radio frequency signals;
and the awakening processing module is used for acquiring electric energy from the radio frequency signal, generating a level signal and outputting the level signal to the Bluetooth equipment bound with the level signal so as to awaken the Bluetooth equipment.
20. An electronic device, comprising:
a memory for storing a program;
a processor, coupled to the memory, for executing the program for:
receiving an instruction for awakening the Bluetooth device from the Bluetooth gateway;
responding to the instruction for awakening the Bluetooth equipment, sending a radio frequency signal, and triggering the RFID tag bound with the Bluetooth equipment to send a level signal to the Bluetooth equipment so as to awaken the Bluetooth equipment.
21. An electronic device, comprising:
a memory for storing a program;
a processor, coupled to the memory, for executing the program for:
receiving a radio frequency signal;
and acquiring electric energy from the radio frequency signal, generating a level signal, and outputting the level signal to the Bluetooth device bound with the level signal so as to wake up the Bluetooth device.
CN201910286491.3A 2019-04-10 2019-04-10 Bluetooth device awakening method, device and system and electronic device Pending CN111818621A (en)

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