A device synchronization method

Abstract

The present application relates to wireless communication technology field, especially point to a kind of equipment synchronization method, comprising the following steps: S100. Utilize transmitter to issue matching request signal;S200. Receiver receives matching request signal, judge whether transmitter is in preset distance;If so, then execute step S300, otherwise execute step S400;S300. Receiver parses matching request signal, and according to the matching result of parsing corresponding working channel with transmitter;S400. Receiver is not connected with transmitter;Wherein, the number of receiver executing step S200 at the same time is not less than one.The present application adopts the mode that receiver is automatically matched connection according to the distance of transmitter, only needs to let transmitter be close to receiver enough distance after opening connection mode and issues matching request signal, receiver will automatically match connection with transmitter as long as receiving close distance matching request signal, realizes the effect that one transmitter is connected with multiple receivers efficiently and quickly, improves efficiency.

Description

Technical Field

[0001] This invention relates to the field of wireless communication technology, and in particular to a device synchronization method. Background Technology

[0002] In situations requiring one-to-many audio transmission, such as a tour guide explaining something to all members of a tour group at a scenic spot, or when multiple people need to communicate within a certain space, it is usually necessary to establish a signal connection between the transmitter used by the tour guide and the receivers used by the members to ensure that the tour guide's words can be successfully transmitted to the members' ears. However, the existing method of connecting the transmitter and receiver uses Bluetooth. This traditional Bluetooth connection method requires the transmitter to enter connection mode, and then the receiver needs to search for the transmitter's device name to establish a connection. Obviously, the process is cumbersome and inefficient. Summary of the Invention

[0003] This invention addresses the problems of existing technologies by providing a device synchronization method that can quickly establish a connection between the transmitter and the receiver.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: The present invention provides a device synchronization method, comprising the following steps: S100. Send a matching request signal using the transmitter; S200. The receiver receives the matching request signal and determines whether the transmitter is within the preset distance; if so, proceed to step S300, otherwise proceed to step S400. S300. The receiver parses the matching request signal and matches the working channel corresponding to the transmitter based on the parsing result; S400. The receiver is not connected to the transmitter; Among them, the number of receivers performing step S200 at the same time is not less than one.

[0005] Furthermore, the preset distance is 0-150cm.

[0006] Furthermore, step S200 specifically includes: S210. The receiver receives a match request signal; S220. The receiver analyzes the signal strength of the matching request signal. If the signal strength is greater than a preset value, it determines that the transmitter is within a preset distance; if the signal strength is less than a preset value, it determines that the transmitter is not within a preset distance.

[0007] Furthermore, step S300 specifically includes: S310. The receiver parses the matching request signal sent by the transmitter to obtain the transmitter's operating channel and identification code; S320. The receiver matches the identification code to the corresponding transmitter's operating channel frequency band so that the operating channel only accepts data transmitted by the transmitter; S330. The receiver emits a light to indicate a successful match.

[0008] Furthermore, the working channel includes a wireless channel, a primary frequency channel, and a backup channel. The wireless channel is used to transmit synchronization commands, the primary frequency channel is used to transmit / receive data, and the backup channel is used to transmit / receive data. In step S300, after the receiver and transmitter successfully match their working channels, the data transmitted between the receiver and transmitter is transmitted on the primary frequency channel and synchronously retransmitted on the backup channel.

[0009] Furthermore, it also includes: S500. A first audio signal is transmitted through a transmitter, and each receiver receives and plays the first audio signal. S600. A second audio signal is transmitted through any receiver, received and processed by the transmitter, and then played by all receivers.

[0010] Furthermore, step S600 specifically includes: S610. Any receiver receives audio, converts it into a second audio signal, and transmits it to the transmitter; S620. The transmitter receives and processes the second audio signal, and then plays it through the transmitter's speaker; S630. The transmitter transmits the second audio signal, which is received by other receivers that match the operating channel of the transmitter; S640. Other receivers convert the second audio signal into audio, which is then played through the speaker on the receiver; Steps S620 and S630 are executed simultaneously.

[0011] Furthermore, the transmitter and receiver transmit radio frequency data via a Bluetooth module; Both the transmitter and receiver are based on iBeacon technology and transmit beacon signals at a frequency of 3 times per second.

[0012] Furthermore, it also includes the following steps: The terminal scans the environment in which the transmitter / receiver is located to obtain the beacon signal of the transmitter / receiver; The terminal analyzes the beacon signal to obtain the transmitter / receiver status information, which includes the currently synchronized working channel and battery level.

[0013] Furthermore, a receiver can simultaneously establish working channel matching connections with at least two transmitters.

[0014] The beneficial effects of the present invention are as follows: The present invention adopts an automatic matching connection method based on the distance of the receiver to the transmitter. After the transmitter is brought close to the receiver at a sufficient distance and the connection mode is opened and a matching request signal is sent, the receiver will automatically match and connect with the transmitter as soon as it receives the matching request signal at close range. This achieves the effect of efficiently and quickly connecting one transmitter with multiple receivers, thus improving efficiency. Attached Figure Description

[0015] Figure 1 This is a flowchart of the present invention.

[0016] Figure 2 This is a schematic diagram of the present invention.

[0017] Attached reference numerals: 1—transmitter, 2—receiver, 3—first light, 4—second light, 5—button. Detailed Implementation

[0018] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention. The present invention will be described in detail below with reference to the accompanying drawings.

[0019] like Figure 1 As shown, the present invention provides a device synchronization method, which includes the following steps: S100. Send a matching request signal using transmitter 1; S200. Receiver 2 receives a matching request signal and determines whether transmitter 1 is within a preset distance; if so, proceed to step S300, otherwise proceed to step S400. S300. Receiver 2 parses the matching request signal and matches the working channel corresponding to transmitter 1 based on the parsing result; S400. Receiver 2 is not connected to transmitter 1; Among them, the number of receivers 2 that perform step S200 at the same time is not less than one.

[0020] Combination Figure 2As shown, in actual use, after the receivers 2 are arranged, the user moves the transmitter 1 close to the arrangement of the receivers 2 so that the distance between the transmitter 1 and the receivers 2 is less than a preset distance, preferably 0-150cm; then the transmitter 1 is controlled to transmit a matching request signal. Upon receiving this close-range matching request signal, the receivers 2 do not require manual searching or confirmation. Instead, the receivers 2 directly analyze the matching request signal. Since the distance between the source of the matching request signal (i.e., transmitter 1) and the receivers 2 is within the preset range after analysis, the receivers 2 directly analyze the matching request signal to obtain the working channel and identification code of the transmitter 1. The receivers 2 then match the identification code to the corresponding working channel of the transmitter 1, so that the audio signal sent by the transmitter 1 can be directly received by all receivers 2.

[0021] By applying this invention, transmitter 1 can be quickly paired with multiple receivers 2. Typically, after transmitter 1 approaches receiver 2 and continuously transmits a pairing request signal for about 3 seconds, receiver 2 will complete the wireless connection with transmitter 1, thereby improving pairing efficiency. Furthermore, since users do not need to operate each receiver 2 individually, it ensures that no receiver 2 is missed during pairing.

[0022] In this embodiment, step S200 specifically includes: S210. Receiver 2 receives a matching request signal; S220. Receiver 2 analyzes the signal strength of the matching request signal. If the signal strength is greater than a preset value, it determines that transmitter 1 is within a preset distance; if the signal strength is less than a preset value, it determines that transmitter 1 is not within a preset distance.

[0023] Signal strength is distance-dependent; the closer the signal source is to receiver 2, the stronger the signal transmitted to receiver 2. Based on this principle, receiver 2 may receive multiple matching request signals simultaneously. However, receiver 2 has a built-in signal comparison module to determine whether the strength of the matching request signal meets the requirements. Only matching request signals that meet the requirements are considered to be within the preset range, and receiver 2 will analyze the matching request signal to connect with other receivers within the preset range, thus ensuring matching accuracy.

[0024] In this embodiment, step S300 specifically includes: S310. Receiver 2 parses the matching request signal sent by transmitter 1 to obtain the operating channel of transmitter 1; S320. Receiver 2 matches the identification code to the corresponding operating channel frequency band of transmitter 1 so that the operating channel only accepts data transmitted by transmitter 1; S330. Receiver 2 emits light to indicate a successful match.

[0025] Specifically, after the transmitter 1 approaches the receiver 2, the user continuously presses the corresponding button 5 on the transmitter 1, and the transmitter 1 will enter the pairing mode, continuously transmitting a pairing request signal according to the duration of the user pressing the corresponding button 5. After the receiver 2 receives the pairing request signal and completes the working channel pairing with the transmitter 1 (that is, matching the corresponding working channel with the transmitter 1's identification code so that the working channel only receives data transmitted by the transmitter 1), the receiver 2 and the transmitter 1 are successfully paired and connected. Subsequently, the audio signal transmitted by the transmitter 1 through this working channel will be received by all connected receivers 2.

[0026] During the above process, when the corresponding button 5 on transmitter 1 is pressed, the first light 3 on transmitter 1 will illuminate to indicate that transmitter 1 is in mode for transmitting a pairing request signal. Similarly, after receiver 2 pairs with transmitter 1, the second light 4 on receiver 2 will illuminate, indicating to the user that the pairing with receiver 2 has been successful. This method effectively determines the current status of transmitter 1 and receiver 2.

[0027] Specifically, the working channel includes a wireless channel, a primary frequency channel, and a backup channel. The wireless channel is used to transmit synchronization commands, the primary frequency channel is used to transmit / receive data, and the backup channel is used to transmit / receive data. In step S300, after the receiver 2 and transmitter 1 are successfully connected, the data transmitted between the receiver 2 and transmitter 1 is transmitted on the main frequency channel and synchronously retransmitted on the backup channel.

[0028] In actual use, this data includes, but is not limited to, at least one of audio data, image data, and signal data.

[0029] In step S100, transmitter 1 transmits the matching request signal via wireless data packets at a frequency of 2480MHz. The frequency of the wireless data packets is 200 per second, and the power of the transmitted wireless data packets is typically fixed at 0.9-1.1dBm. The wireless channel is within this frequency range.

[0030] Receiver 2, while in sleep mode, will periodically listen to the wireless channel in the 2480MHz band. If it receives a wireless data packet at a certain time, receiver 2 will first measure the signal strength of the wireless data packet. Only when the signal strength is higher than the preset threshold will receiver 2 process and parse the wireless data packet, and then configure the main frequency channel and backup channel of transmitter 1 according to the parsing result.

[0031] Taking audio data as an example, in order to ensure the stability of audio data transmission, when transmitter 1 and receiver 2 are exchanging data (such as audio data transmission), it is necessary to transmit data once on the main frequency channel and then retransmit the data on the backup channel. In this way, if either channel cannot receive data successfully, it can still be guaranteed that there is another channel that can receive data successfully.

[0032] The duplication of data between the primary frequency channel and the backup channel can be handled by the chip inside transmitter 1 / receiver 2 to ensure that the same data is played only once. This processing method is conventional and will not be described further here.

[0033] It is important to note that in this invention, the receiver 2 only detects the strength of the matching request signal during the matching process between the transmitter 1 and the receiver 2. Once the matching is complete and the data transmitted by the transmitter 1 is received by the receiver 2, the receiver 2 will no longer detect the strength of the data signal, but will directly receive and process it. This allows for reliable data interaction even at a relatively large distance between the receiver 2 and the transmitter 1.

[0034] Specifically, each receiver 2 of this invention has multiple primary frequency channels and backup channels, with each primary frequency channel corresponding to one backup channel, and the corresponding primary and backup channels are in the same frequency band. Under this premise, the receiver 2 of this invention has multiple built-in frequency bands (e.g., 128), and each frequency band has one primary frequency channel and one backup channel; while the frequency band used by the transmitter 1 to transmit audio data is unique. Therefore, one receiver 2 can be matched with multiple transmitters 1 with different transmission frequency bands. During operation, the receiver 2 can simultaneously receive audio data transmitted by all matched transmitters 1, improving the flexibility of the receiver 2.

[0035] In this embodiment, after completing the connection between transmitter 1 and receiver 2, the present invention further includes: S500. A first audio signal is transmitted through transmitter 1, and each receiver 2 receives and plays the first audio signal. S600. A second audio signal is transmitted through any receiver 2, which is received and processed by transmitter 1 and then played by all receivers 2.

[0036] Each transmitter 1 has a speaker and a microphone, and each receiver 2 also has a speaker and a microphone. When transmitter 1 receives audio through its microphone, it converts the audio into audio data and transmits it to all connected receivers 2 within its designated frequency band. Receivers 2 receive and process the data before playing it through their speakers. When receiver 2 receives audio through its microphone, it converts the audio into audio data and transmits it to transmitter 1. At this point, transmitter 1 converts the audio data and plays it through its speakers, while simultaneously sending the audio data to other connected receivers 2 for processing and playback.

[0037] This method enhances the interaction between the user wearing transmitter 1 and the user wearing receiver 2. For example, in a tour group, when a member of the group wearing receiver 2 has a question, they can ask it; the question can be received by all members of the tour group and the tour guide, allowing other members of the group to understand the question and answer between the member and the tour guide.

[0038] In this embodiment, step S600 specifically includes: S610. Any receiver 2 receives audio, converts it into a second audio signal, and transmits it to transmitter 1; S620. Transmitter 1 receives and processes the second audio signal, and then plays it through the speaker of transmitter 1; S630. Transmitter 1 transmits a second audio signal, which is received by other receivers 2 that match the operating channel of transmitter 1; S640. The other receiver 2 converts the second audio signal into audio, which is then played through the speaker on the receiver 2; Steps S620 and S630 are executed simultaneously.

[0039] By executing steps S620 and S630 simultaneously, the audio latency between multiple receivers 2 and transmitter 1 is minimized, thereby improving the user experience.

[0040] In this embodiment, data transmission between transmitter 1 and receiver 2 is achieved by transmitting radio frequency data via a Bluetooth module. That is, compared to traditional connection methods, although transmitter 1 and receiver 2 of this invention use a Bluetooth module, they are not connected via the Bluetooth module itself. Instead, they only use the Bluetooth module's frequency band for transmitting and receiving radio frequency signals, thus achieving data transmission. In this method, stable data transmission can be achieved even at a relatively large distance between transmitter 1 and receiver 2.

[0041] In this embodiment, both transmitter 1 and receiver 2 are based on iBeacon technology and send beacon signals at a frequency of 3 times per second to ensure the timeliness and stability of data transmission.

[0042] In this embodiment, the present invention further includes the following steps: The terminal scans the environment where transmitter 1 / receiver 2 is located to obtain the beacon signal of transmitter 1 / receiver 2; The terminal analyzes the beacon signal to obtain the status information of transmitter 1 / receiver 2, which includes the currently synchronized working channel and battery level.

[0043] Specifically, the terminal can be a mobile phone, tablet, or other device. After downloading the corresponding mobile application (APP), it can quickly scan transmitter 1 and receiver 2 within a certain area. Both transmitter 1 and receiver 2 transmit beacon signals at a frequency of 3 times per second. After receiving the beacon signals, the terminal can analyze, classify, and process the beacon signals through the mobile application, and finally present the status information of each transmitter 1 / receiver 2 to the user.

[0044] Specifically, transmitter 1 and receiver 2 are connected to the terminal via Bluetooth modules so that the terminal can receive beacon signals from transmitter 1 and receiver 2.

[0045] For example, the battery safety threshold for transmitter 1 / receiver 2 is set to 80%. When the battery level of transmitter 1 / receiver 2 is lower than 80%, the specific battery level will be displayed in the mobile application, and a low battery indicator will be given. The operating channel of each transmitter 1 / receiver 2 is displayed in the form of a frequency band number on the corresponding UI in the mobile application.

[0046] When a user needs to disconnect the Bluetooth connection between receiver 2 and the corresponding transmitter 1, the operation can be performed directly in the mobile application. The terminal sends the corresponding command to receiver 2 to disconnect the connection.

[0047] In this embodiment, a receiver 2 can be connected to at least two transmitters 1 at the same time; specifically, the number of receivers 2 that can be synchronized by one working channel of transmitter 1 is unlimited.

[0048] Since each transmitter 1 operates on a different frequency band, a receiver 2 can theoretically receive signals from different transmitters 1 on different frequency bands, thus improving application flexibility. Transmitter 1 can not only connect to multiple receivers 2, but also, during connection, simply by approaching transmitter 1 and pressing and holding button 5, the user can slowly move within a certain range after pressing and holding button 5 on transmitter 1, allowing all receivers 2 within that range to connect to transmitter 1. The time required to connect approximately 100 receivers 2 is about 5 seconds, thereby significantly improving efficiency.

[0049] Of course, there is another scenario: two transmitters 1 using the same frequency band. In this case, the present invention will handle the following: After the first transmitter 1 successfully connects with the receiver 2, if the second transmitter 1 sends a matching request signal, since the two transmitters 1 operate on the same frequency band, but the identity information contained in the wireless data packets they send is different (e.g., identification code or serial number), after the receiver 2 receives and parses the wireless data packet from the second transmitter 1, there will be a conflict with the identity information of the first transmitter 1. At this time, the receiver 2 will refuse to match the connection. That is, even if the user brings the second transmitter 1 close to the receiver 2 and presses and holds button 5, the second light 4 of the receiver 2 will still not light up. This avoids the use of two transmitters 1 on the same frequency band.

[0050] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the present invention without departing from the scope of the present invention are within the scope of the present invention.

Claims

1. A device synchronization method, characterized in that, Includes the following steps: S100. Send a matching request signal using the transmitter; S200. The receiver receives the matching request signal and determines whether the transmitter is within the preset distance; If so, proceed to step S300; otherwise, proceed to step S400. S300. The receiver parses the matching request signal and matches the working channel corresponding to the transmitter based on the parsing result; S400. The receiver is not connected to the transmitter; Among them, the number of receivers performing step S200 at the same time is not less than one.

2. The equipment synchronization method according to claim 1, characterized in that, The preset distance is 0-150cm.

3. The equipment synchronization method according to claim 1 or 2, characterized in that, Step S200 specifically includes: S210. The receiver receives a match request signal; S220. The receiver analyzes the signal strength of the matching request signal. If the signal strength is greater than a preset value, it determines that the transmitter is within a preset distance; if the signal strength is less than a preset value, it determines that the transmitter is not within a preset distance.

4. The equipment synchronization method according to claim 1, characterized in that, Step S300 specifically includes: S310. The receiver parses the matching request signal sent by the transmitter to obtain the transmitter's operating channel and identification code; S320. The receiver matches the identification code to the corresponding transmitter's operating channel frequency band so that the operating channel only accepts data transmitted by the transmitter; S330. The receiver emits a light to indicate a successful match.

5. The equipment synchronization method according to claim 4, characterized in that, The working channel includes a wireless channel, a primary frequency channel, and a backup channel. The wireless channel is used to transmit synchronization commands, the primary frequency channel is used to transmit / receive data, and the backup channel is used to transmit / receive data. In step S300, after the receiver and transmitter successfully match their working channels, the data transmitted between the receiver and transmitter is transmitted on the primary frequency channel and synchronously retransmitted on the backup channel.

6. The device synchronization method according to claim 1, characterized in that, Also includes: S500. A first audio signal is transmitted through a transmitter, and each receiver receives and plays the first audio signal. S600. A second audio signal is transmitted through any receiver, received and processed by the transmitter, and then played by all receivers.

7. The equipment synchronization method according to claim 6, characterized in that, Step S600 specifically includes: S610. Any receiver receives audio, converts it into a second audio signal, and transmits it to the transmitter; S620. The transmitter receives and processes the second audio signal, and then plays it through the transmitter's speaker; S630. The transmitter transmits the second audio signal, which is received by other receivers that match the operating channel of the transmitter; S640. Other receivers convert the second audio signal into audio, which is then played through the speaker on the receiver; Steps S620 and S630 are executed simultaneously.

8. The equipment synchronization method according to claim 1, characterized in that, The transmitter and receiver transmit radio frequency data via a Bluetooth module. Both the transmitter and receiver are based on iBeacon technology and transmit beacon signals at a frequency of 3 times per second.

9. The equipment synchronization method according to claim 8, characterized in that, It also includes the following steps: The terminal scans the environment in which the transmitter / receiver is located to obtain the beacon signal of the transmitter / receiver; The terminal analyzes the beacon signal to obtain the transmitter / receiver status information, which includes the currently synchronized working channel and battery level.

10. The device synchronization method according to claim 1, characterized in that, A receiver can simultaneously establish working channel matching connections with at least two transmitters.

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