CN118175483B - Management method of wireless microphone system - Google Patents
Management method of wireless microphone system Download PDFInfo
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- CN118175483B CN118175483B CN202410208658.5A CN202410208658A CN118175483B CN 118175483 B CN118175483 B CN 118175483B CN 202410208658 A CN202410208658 A CN 202410208658A CN 118175483 B CN118175483 B CN 118175483B
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- 238000000034 method Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 3
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- 238000001514 detection method Methods 0.000 abstract description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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Abstract
The invention relates to the technical field of wireless microphones, in particular to a management method of a wireless microphone system, which comprises the following steps: s1, initializing; s2, detecting a frequency modulation stage. In the initialization stage, a plurality of interference-free blank channels can be detected through a spectrometer so that a plurality of wireless microphone bodies can be matched with a plurality of receiving channels of a receiver in a one-to-one correspondence manner, and the radio effect of a wireless microphone system is ensured; in the use process, namely in the detection frequency modulation stage, if the spectrometer detects that the occupied channel occupied by the matched wireless microphone body and the receiving channel of the receiver is interfered, a new interference-free blank channel is selected again for matching, the influence on the radio effect of the wireless microphone system is reduced, and the use and management are more convenient.
Description
Technical Field
The invention relates to the technical field of wireless microphones, in particular to a management method of a wireless microphone system.
Background
The wireless microphone system generally comprises a wireless microphone body and a receiver, wherein the wireless microphone body is provided with a sound pickup module and a transmitting module, and the transmitting module of the wireless microphone body and the receiver are in mutually matched working channels during working, so that sound signals picked up by the sound pickup module of the wireless microphone body are transmitted to the receiver through the transmitting module, and the receiver can send the received sound signals through an external generator.
The wireless microphone system is adopted, a user can flexibly move in a certain range by holding the wireless microphone body, the embarrassment that the communication wires are stumbled by the wired microphone can be avoided, and the wireless microphone system is suitable for occasions such as stage podium.
But correspond the wireless microphone system that possesses a plurality of wireless microphone bodies, different wireless microphone bodies need to set up with the receiver match and different working channel just can avoid same-frequency interference, because the working channel of wireless microphone body is relatively fixed, when using simultaneously in same environment, receive other channels, outside wireless communication channel, or the influence of other reasons, some working channels produce some noise easily and disconnect the communication connection of wireless microphone body and receiver even, influence the radio reception effect of wireless microphone system, use and management are very troublesome.
Disclosure of Invention
The invention aims to provide a management method of a wireless microphone system, which can ensure the sound receiving effect of the wireless microphone system, reduce the influence on the sound receiving effect of the wireless microphone system and is more convenient to use and manage.
In order to solve the technical problems, the invention provides a management method of a wireless microphone system, which comprises a frequency spectrograph, a receiver provided with a main controller and a plurality of wireless microphone bodies provided with auxiliary controllers;
The management method comprises the following steps:
S1, an initialization stage: the frequency spectrograph sends channel data of a plurality of interference-free blank channels detected in a preset channel range to the main controller, the main controller sets the plurality of interference-free blank channels as new occupied channels through the received channel data, sets a plurality of receiving frequencies of the receiver to be matched with the new occupied channels in a one-to-one correspondence manner, and sends the channel data of the new occupied channels to the auxiliary controller in a one-to-one correspondence manner, and the auxiliary controller sets the transmitting frequency of the wireless microphone body to be matched with the new occupied channels in a one-to-one correspondence manner;
S2, detecting a frequency modulation stage: continuously detecting signals of occupied channels by the spectrometer, and restarting the step S2 if the occupied channels are detected to be non-interference channels; if the interference channels exist in the plurality of occupied channels, the wireless microphone bodies in the interference-free channels and the receiving channels of the receiver are kept to be the original occupied frequencies in one-to-one correspondence, and the wireless microphone bodies in the interference channels and the receiving channels of the receiver return to the step S1.
According to the management method of the wireless microphone system, in the initialization stage, a plurality of interference-free blank channels can be detected through the spectrometer so that a plurality of wireless microphone bodies can be matched with a plurality of receiving channels of a receiver in a one-to-one correspondence manner, and the radio effect of the wireless microphone system is ensured; in the use process, namely in the detection frequency modulation stage, if the spectrometer detects that the occupied channel occupied by the matched wireless microphone body and the receiving channel of the receiver is interfered, a new interference-free blank channel is selected again for matching, the influence on the radio effect of the wireless microphone system is reduced, and the use and management are more convenient.
As an improvement of the technical scheme, the wireless microphone system further comprises a plurality of near field antennas which are equal to or greater than the number of the wireless microphone bodies and are arranged at intervals, and the near field antennas are connected with the receiver and the spectrometer in a wired manner;
In step S1, the spectrometer switches channel data of a plurality of non-interference blank channels detected in a preset channel range between a plurality of near-field antennas and sends the channel data to the main controller, the main controller sets the plurality of non-interference blank channels to a plurality of new occupied channels through the received channel data, sets receiving frequencies of the plurality of near-field antennas to be matched with the plurality of new occupied channels in a one-to-one correspondence manner, and sends the channel data of the new occupied channels to the auxiliary controller, and the auxiliary controller sets the transmitting frequency of the wireless microphone body to be matched with the new occupied channels in a one-to-one correspondence manner. The spectrometer detects the communication quality of the occupied channel occupied by the near-field antenna through the near-field antenna, so that the wireless microphone body is more stably matched with the corresponding near-field antenna and has stronger anti-interference capability.
As an improvement of the above technical solution, in step S1, the new occupied channel is the same interference-free empty channel detected by the spectrometer through the plurality of near-field antennas. Because the position of the near-field antenna is closer to the wireless microphone body, the non-interference blank frequency channel which can be received is more than the position of the receiver, and the wireless microphone body and the near-field antenna can be matched in a one-to-one correspondence manner more conveniently by adopting the frequency channel which can be received and is overlapped.
As an improvement of the technical scheme, in the step S1, the frequency interval of two adjacent new occupied channels is more than 5MHz, the same-frequency interference of the two adjacent new occupied channels is reduced, and the mutual influence of a plurality of wireless microphone bodies in transmitting signals is reduced.
As an improvement of the technical scheme, after the step S2 is returned to the step S1, the original occupied frequency and the new occupied frequency form a frequency group, the frequency interval between two adjacent occupied channels in the frequency group is more than 5MHz, and the mutual influence of the re-matched wireless microphone body and other wireless microphones in actually transmitting signals is reduced.
As an improvement of the technical scheme:
In the step S1, the main controller sets the near field antenna corresponding to the new occupied channel as a new active near field antenna, and sets the near field antenna which is not set as the new occupied channel as a standby near field antenna;
In step S2, if it is detected that there are interference channels in the plurality of occupied channels, the wireless microphone bodies in the plurality of groups of interference-free channels and the in-use near-field antennas are kept in one-to-one correspondence to be original occupied frequencies, and the plurality of groups of wireless microphone bodies in the interference channels, the in-use near-field antennas and the standby near-field antennas return to step S1.
When the wireless microphone body is matched again, interference-free blank channels with better communication quality and near-field antenna matching can be selected, and the communication quality of the wireless microphone body after the re-matching is ensured.
As an improvement of the above technical solution, in step S2, if the active wireless microphone body is turned off to disconnect the sub-controller from the main controller, the main controller sets the active near field antenna matched with the active wireless microphone body as a standby near field antenna, so that the active wireless microphone body to be re-matched is required to provide more standby near field antennas for matching.
As an improvement of the above technical solution, in step S2, if a new wireless microphone body is turned on to enable the sub-controller to be in communication connection with the main controller, the main controller returns the wireless microphone body and the standby near-field antenna to step S1, so as to ensure the communication quality after the new wireless microphone body is added and reduce the influence on the communication quality of the active wireless microphone body.
As the improvement of the technical scheme, the wireless microphone body is provided with the active ranging module, the near-field antennas are provided with the driven ranging modules which are in communication connection with the active ranging module, the active ranging module transmits the measured distance data of the plurality of near-field antennas to the main controller through the auxiliary controller, and in the S1 step, the main controller sequentially matches the wireless microphone body with the near-field antennas closest to the main controller through the distance data control auxiliary controller, so that the distance between the wireless microphone body and the matched near-field antennas is closer, and the communication quality of the wireless microphone body is further ensured.
As an improvement of the technical scheme, the receiver is provided with a plurality of first connection ports, the spectrometer is provided with a plurality of second connection ports, the near field antennas are respectively provided with a first communication line connected with the first connection ports in one-to-one correspondence and a second communication line connected with the second connection ports in one-to-one correspondence, and therefore the near field antennas are connected with the receiver and the spectrometer in a wired mode.
Drawings
Fig. 1 is a flowchart of a method for managing a wireless microphone system according to an embodiment of the present invention;
fig. 2 is a communication schematic diagram of a wireless microphone system in an embodiment of the invention;
FIG. 3 is a communication schematic diagram of a master controller according to an embodiment of the present invention;
Fig. 4 is a communication schematic diagram of a wireless microphone system in a further embodiment of the invention.
In the figure:
100. A spectrometer;
200. a receiver; 210. a main controller;
300. a wireless microphone body; 310. a sub controller;
400. a near field antenna; 410. a first communication line; 420; and a second communication line.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
As shown in fig. 1 to 3, a method for managing a wireless microphone system according to an embodiment of the present invention includes a spectrometer 100, a receiver 200 provided with a main controller 210, and a plurality of wireless microphone bodies 300 provided with a sub-controller 310; in practice, the spectrometer 100 is configured to detect communication quality of a plurality of channels within a preset channel range, so as to determine whether the plurality of channels are in a non-interference state or an interference state; the main controller 210 and the sub-controller 310 may be a single chip microcomputer, and the main controller 210 and the sub-controller 310 are both provided with wireless communication modules such as bluetooth, so that the main controller 210 can set a receiving channel of the receiver 200 to match a required channel, and the main controller 210 can set a transmitting frequency of the wireless microphone body 300 to match the required channel through the sub-controller 310; it should be noted that, the receiver 200 may be a wireless audio receiver capable of receiving multiple channels simultaneously, or may be a combination of multiple wireless audio receivers capable of receiving only a single channel, so that the receiver 200 of the present invention can be matched with multiple wireless microphone bodies 300 simultaneously to receive sound signals picked up by multiple wireless microphones.
The management method comprises the following steps:
S1, an initialization stage: the spectrometer 100 transmits channel data of a plurality of interference-free blank channels detected within a preset channel range to the main controller 210, the main controller 210 sets the plurality of interference-free blank channels as new occupied channels through the received channel data and sets a plurality of reception frequencies of the receiver 200 to be matched with the plurality of new occupied channels in one-to-one correspondence and transmits the channel data of the new occupied channels to the sub controller 310, and the sub controller 310 sets the transmission frequency of the wireless microphone body 300 to be matched with the new occupied channels in one-to-one correspondence;
S2, detecting a frequency modulation stage: the spectrometer 100 continuously detects the signals of the occupied channels, and if the occupied channels are detected to be the interference-free channels, the step S2 is restarted; if it is detected that there are interference channels in the plurality of occupied channels, the one-to-one correspondence between the plurality of sets of wireless microphone bodies 300 in the interference-free channels and the receiving channels of the receiver 200 is maintained as the original occupied frequency, and the plurality of sets of wireless microphone bodies 300 in the interference channels and the receiving channels of the receiver 200 return to step S1.
In step S1, the transmitting frequencies of the wireless microphone bodies 300 and the receiving channels of the receiver 200 are matched by selecting a plurality of interference-free blank channels, so that the receiver 200 can simultaneously receive the sound signals of the plurality of wireless microphone bodies 300 without interference, and meanwhile, the same-frequency interference can be avoided, and the radio effect of the wireless microphone system is ensured.
It should be noted that, the blank channel is a channel that excludes the original occupied channel and the proprietary channel from being available for communication within the preset range, in fact, the original occupied channel may be set by the main controller 210 in cooperation with the spectrometer 100, and the proprietary channel (such as FM broadcast channel) may be preset in the main controller 100.
In practice, the number of channels that the receiver 200 can receive and the number of detected interference-free blank channels should be equal to or greater than the number of wireless microphone bodies 300 to be matched, so as to ensure that all wireless microphone bodies 300 can be completely matched. In the preferred embodiment of the present invention, if the number of the interference-free blank channels detected is greater than the number of the wireless microphone bodies 300 to be matched, the interference-free blank channels with the highest frequency are preferentially and sequentially matched with the wireless microphone bodies 300, so that the communication anti-interference capability of the wireless microphone bodies 300 and the receiver 200 is further improved; if four wireless microphone bodies 300 need to be matched, and more than five interference-free blank channels are detected, four interference-free blank channels with the first, second, third and fourth high frequencies are selected to be matched with the four wireless microphone bodies 300.
In step S2, if the spectrometer 100 detects that the occupied channel occupied by the matched wireless microphone body 300 and the receiving channel of the receiver 200 is interfered, and the communication of the working channel is affected, the wireless microphone body 300 in the occupied channel and the receiving channel of the receiver 200 are returned to step S1 again to be matched with a new non-interference blank channel again as the new occupied channel to be used as the working channel, so that the influence on the radio effect of the wireless microphone system is reduced. In practice, the one-to-one correspondence between the wireless microphone bodies 300 in the interference-free channels and the receiving channels of the receiver 200 is kept as the original occupied frequency, and the wireless microphone bodies 300 in the occupied channels and the receiving channels of the receiver 200 are returned to the step S1 to be re-matched with the new interference-free blank channels as the new occupied channels as the working channels, and then enter the step S2 together.
In the embodiment of the present invention, in step S1, the frequency interval between two adjacent new occupied channels is preferably more than 5MHz, so as to reduce co-channel interference between two adjacent new occupied channels and reduce mutual influence when the plurality of wireless microphone bodies 300 transmit signals. Further, after returning from step S2 to step S1, the original occupied frequency and the new occupied frequency form a frequency group, and the frequency interval between two adjacent occupied channels in the frequency group is preferably above 5MHz, so as to reduce the mutual influence between the re-matched wireless microphone body 300 and other wireless microphones which actually transmit signals. In addition, the wireless microphone system may preferably further include a main display communicatively connected to the main controller 210 for a background person to observe the detection data of the spectrometer 100 and the matching condition of the wireless microphone body 300 and the receiving channel of the receiver 200; meanwhile, the wireless microphone body 300 may be further provided with a sub-display communicatively connected to the sub-controller 310 for a user to observe the state of the wireless microphone body 300.
In the management method of the wireless microphone system, in the initialization stage, a plurality of interference-free blank channels can be detected by the spectrometer 100 so that a plurality of wireless microphone bodies 300 are matched with a plurality of receiving channels of the receiver 200 in a one-to-one correspondence manner, and the radio effect of the wireless microphone system is ensured; in the use process, namely in the frequency modulation stage, if the spectrometer 100 detects that the occupied channel occupied by the matched wireless microphone body 300 and the receiving channel of the receiver 200 is interfered, a new interference-free blank channel is selected again for matching, so that the influence on the radio effect of the wireless microphone system is reduced, and the use and the management are more convenient.
In practice, the spectrometer 100 should be disposed beside the receiver 200 to detect the communication quality of a plurality of channels within a preset channel range where the receiver 200 is located, and such a wireless microphone system is more suitable for a smaller area and a smaller shielding area; for solving this problem, reference is made to a further embodiment of the present invention, in which the number of available non-interference blank channels detected by the spectrometer 100 is small enough to be matched by the wireless microphone body 300 with the receiving channel of the receiver 200, because the space is large and the space is more shielded.
As a further embodiment of the present invention, as shown in fig. 4, the wireless microphone system further preferably includes a plurality of near-field antennas 400, the number of which is greater than or equal to the number of the wireless microphone bodies 300 and are arranged at intervals, and the plurality of near-field antennas 400 are connected with the receiver 200 and the spectrometer 100 in a wired manner; in practice, the number of the near-field antennas 400 is greater than or equal to the number of the wireless microphone bodies 300 to provide enough near-field antennas 400 for the wireless microphones to be matched in a one-to-one correspondence manner; the near-field antenna 400 has a dual-channel wired communication function, so that the spectrometer 100 and the receiver 200 can divide a field into a plurality of sections through the near-field antenna 400 to expand a detection range and a reception range. In a further embodiment of the present invention, the receiver 200 is preferably provided with a plurality of first connection ports, the spectrometer 100 is preferably provided with a plurality of second connection ports, and the plurality of near-field antennas 400 are each provided with a first communication line 410 connected to the plurality of first connection ports in one-to-one correspondence, and a second communication line 420 connected to the second connection ports in one-to-one correspondence. In fact, the first connection interface is a wired interface of a receiving channel of the receiver 200, and the first connection interface and the first communication line 410 enable information received by the plurality of near-field antennas 400 to be input to the receiver 200 through the plurality of first connection interfaces in a one-to-one correspondence manner, the second connection interface is connected with the spectrometer 100 through the second communication line 420 in a one-to-one correspondence manner, specifically, the spectrometer 100 is provided with a connection switcher, and by switching to different second connection interfaces, the communication quality of the plurality of channels where the plurality of near-field antennas 400 are located can be switched to different near-field antennas 400 for communication, and the communication quality of the plurality of channels where the plurality of near-field antennas 400 are located in a preset channel range can be sequentially detected.
In step S1, the spectrometer 100 transmits channel data of a plurality of interference-free blank channels detected within a preset channel range to the main controller 210 by switching between the plurality of near field antennas 400, the main controller 210 sets the plurality of interference-free blank channels to a plurality of new occupied channels through the received channel data and sets the reception frequencies of the plurality of near field antennas 400 to match the plurality of new occupied channels one-to-one and transmits the channel data of the new occupied channels to the sub controller 310, and the sub controller 310 sets the transmission frequency of the wireless microphone body 300 to match the new occupied channels one-to-one.
In practice, the multiple receiving channels of the receiver 200 are matched with the multiple near-field antennas 400 in a one-to-one correspondence manner, so that multiple new occupied channels are matched with the multiple near-field antennas 400 in a one-to-one correspondence manner, and thus the wireless microphone body 300 is matched with the multiple near-field antennas 400 in a one-to-one correspondence manner, and through the arrangement of the near-field antennas 400, the receiving area of the receiver 200 is enlarged, the interference of the sites to the communication is reduced, and the sound receiving effect of the wireless microphone system is ensured. It should be noted that, the spectrometer 100 detects, through the near-field antenna 400, the communication quality of the occupied channel occupied by the near-field antenna 400, so that the wireless microphone body 300 is more stably matched with the corresponding near-field antenna 400 and has stronger anti-interference capability.
Further, in step S1, the new occupied frequency channel is preferably the same interference-free empty frequency channel detected by the spectrometer 100 through the plurality of near-field antennas 400. If there are six near-field antennas 400 and four wireless microphone bodies 300, the new occupied frequency channel is four interference-free frequency channels detected by the six near-field antennas 400, so that the four wireless microphone bodies 300 are matched with four of the six near-field antennas 400 in a one-to-one correspondence. Because the near-field antenna 400 is located closer to the wireless microphone body 300, there are more interference-free blank channels that can be received than the receiver 200, and thus, the wireless microphone body 300 and the near-field antenna 400 can be more conveniently matched in a one-to-one correspondence by adopting the channels that can be received and overlap.
In fact, in step S1, the frequency interval between two adjacent new occupied channels is preferably more than 5MHz, so as to reduce co-channel interference between two adjacent new occupied channels and reduce mutual influence of the signals transmitted by the plurality of wireless microphone bodies 300. Further, after returning from step S2 to step S1, the original occupied frequency and the new occupied frequency form a frequency group, and the frequency interval between two adjacent occupied channels in the frequency group is limited to be more than 5MHz, so that the mutual influence between the re-matched wireless microphone body 300 and other wireless microphones actually transmitting signals is reduced.
In a further embodiment of the present invention, when the number of near field antennas 400 is greater than the number of wireless microphone bodies 300:
In step S1, the main controller 210 sets the near field antenna 400 corresponding to the new occupied channel as the new active near field antenna 400, and sets the near field antenna 400 not set as the new occupied channel as the standby near field antenna 400;
In step S2, if it is detected that there are interference channels in the plurality of occupied channels, the wireless microphone bodies 300 in the plurality of groups of interference-free channels and the active near-field antenna 400 are kept in one-to-one correspondence to the original occupied frequencies, and the wireless microphone bodies 300 in the plurality of groups of interference-free channels, the active near-field antenna 400 and the standby near-field antenna 400 return to step S1.
Through the setting of reserve near field antenna 400, when spectrum appearance 100 detects that the occupied frequency channel that the matched in-use near field antenna 400 occupy receives the interference, have more reserve near field antenna 400 to supply wireless microphone body 300 to match, wireless microphone body 300 can select the better interference free blank frequency channel of communication quality and near field antenna 400 to match, ensures the communication quality after wireless microphone body 300 matches again.
Specifically, in a further embodiment of the present invention, if the active near field antenna 400 that matches the active wireless microphone body 300 is set as the standby near field antenna 400 by the main controller 210 if the active wireless microphone body 300 is turned off to disconnect the sub controller 310 from the main controller 210 in step S2. That is, the active near field antenna 400 that is matched to the active wireless microphone body 300 becomes the standby near field antenna 400 when the active wireless microphone body 300 is disconnected from the receiver 200 to stop communication, so that the wireless microphone body 300 that needs to be re-matched provides more standby near field antennas 400 to match.
More specifically, in step S2, if a new wireless microphone body 300 is turned on to communicatively connect the sub-controller 310 with the main controller 210, the main controller 210 returns the wireless microphone body 300 and the standby near-field antenna 400 to step S1. After the new wireless microphone body 300 is started, the sub controller 310 is in communication connection with the main controller 210, and returns to step S1 to match with the standby near field antenna 400, so that the communication quality of the new wireless microphone body 300 after joining is ensured, and the influence on the communication quality of the active wireless microphone body 300 is reduced.
It should be noted that, as an improvement of the further embodiment of the present invention, the wireless microphone bodies 300 are preferably provided with active ranging modules, the near-field antennas 400 are each provided with a slave ranging module for communication connection with the active ranging module, the active ranging module sends the measured distance data of the plurality of near-field antennas 400 to the main controller 210 through the sub-controller 310, and in step S1, the main controller 210 sequentially matches the wireless microphone bodies 300 with the near-field antennas 400 closest to each other through the distance data control sub-controller 310.
In fact, the master ranging module and the slave ranging module may be bluetooth ranging devices, so that the wireless microphone body 300 can cooperate with the slave ranging module through the master ranging module to measure the distances between the wireless microphone body 300 and the plurality of near-field antennas 400; meanwhile, when the active ranging module selects the bluetooth ranging device, the active ranging module can also be used as a communication module between the wireless microphone body 300 and the receiver 200, so as to realize the communication connection between the secondary controller 310 and the main controller 210, and realize the functions of controlling the wireless microphone to switch channels and receiving the distance quantity measured by the active ranging module by the main controller 210.
If there are six near-field antennas 400, four wireless microphone bodies 300 and seven interference-free blank channels, each of the six near-field antennas 400 is allocated with one interference-free blank channel, the four wireless microphone bodies 300 are numbered as a No. 1 wireless microphone body 300, a No. 2 wireless microphone body 300, a No. 3 wireless microphone body 300 and a No. 4 wireless microphone body 300 in sequence, the six near-field antennas 400 are numbered as a No. 1 near-field antenna 400, a No. 2 near-field antenna 400, a No. 3 near-field antenna 400, a No. 4 near-field antenna 400, a No. 5 near-field antenna 400 and a No. 6 near-field antenna 400 in sequence, and the distance data measured by the four wireless microphone bodies 300 are as follows.
According to the distance data measured by the four wireless microphone bodies 300, the wireless microphone body 300 No. 1 is matched with the near field antenna 400 No. 1, the wireless microphone body 300 No. 2 is matched with the near field antenna 400 No. 2 (although the wireless microphone body 300 No. 2 is closer to the near field antenna 400 No. 1, the near field antenna 400 No. 1 is occupied, so that only the near field antenna 400 No. 2 can be matched), the wireless microphone body 300 No. 3 is matched with the near field antenna 400 No. 4, and the wireless microphone body 300 No. 4 is matched with the near field antenna 400 No. 5. Thereby, the main controller 210 sequentially matches the wireless microphone body 300 with the near-field antenna 400 closest to the wireless microphone body through the distance data control sub-controller 310, so that the wireless microphone body 300 is closer to the matched near-field antenna 400, and the communication quality of the wireless microphone body 300 is further ensured.
The foregoing description is only specific embodiments of the present invention, and not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (9)
1. A method for managing a wireless microphone system, characterized by: the wireless microphone system comprises a frequency spectrograph, a receiver provided with a main controller and a plurality of wireless microphone bodies provided with auxiliary controllers;
The management method comprises the following steps:
S1, an initialization stage: the frequency spectrograph sends channel data of a plurality of interference-free blank channels detected in a preset channel range to the main controller, the main controller sets the plurality of interference-free blank channels as new occupied channels through the received channel data, sets a plurality of receiving frequencies of the receiver to be matched with the new occupied channels in a one-to-one correspondence manner, and sends the channel data of the new occupied channels to the auxiliary controller in a one-to-one correspondence manner, and the auxiliary controller sets the transmitting frequency of the wireless microphone body to be matched with the new occupied channels in a one-to-one correspondence manner;
S2, detecting a frequency modulation stage: continuously detecting signals of occupied channels by the spectrometer, and restarting the step S2 if the occupied channels are detected to be non-interference channels; if the interference channels exist in the plurality of occupied channels, the wireless microphone bodies in the interference-free channels and the receiving channels of the receiver are kept to be the original occupied frequencies in one-to-one correspondence, and the wireless microphone bodies in the interference channels and the receiving channels of the receiver return to the step S1;
The wireless microphone system further comprises a plurality of near field antennas which are larger than or equal to the number of the wireless microphone bodies and are arranged at intervals, and the near field antennas are connected with the receiver and the spectrometer in a wired mode;
In step S1, the spectrometer switches channel data of a plurality of non-interference blank channels detected in a preset channel range between a plurality of near-field antennas and sends the channel data to the main controller, the main controller sets the plurality of non-interference blank channels to a plurality of new occupied channels through the received channel data, sets receiving frequencies of the plurality of near-field antennas to be matched with the plurality of new occupied channels in a one-to-one correspondence manner, and sends the channel data of the new occupied channels to the auxiliary controller, and the auxiliary controller sets the transmitting frequency of the wireless microphone body to be matched with the new occupied channels in a one-to-one correspondence manner.
2. A method of managing a wireless microphone system as defined in claim 1, wherein: in step S1, the new occupied frequency channel is the same interference-free white space frequency channel detected by the spectrometer through a plurality of near field antennas.
3. A method of managing a wireless microphone system as claimed in claim 1 or 2, characterized by: in step S1, the frequency interval between two adjacent new occupied channels is more than 5 MHz.
4. A method of managing a wireless microphone system as defined in claim 3, wherein: after returning to the step S1 from the step S2, the original occupied frequency and the new occupied frequency form a frequency group, and the frequency interval of two adjacent occupied channels in the frequency group is more than 5 MHz.
5. A method of managing a wireless microphone system as set forth in claim 2, wherein:
In the step S1, the main controller sets the near field antenna corresponding to the new occupied channel as a new active near field antenna, and sets the near field antenna which is not set as the new occupied channel as a standby near field antenna;
In step S2, if it is detected that there are interference channels in the plurality of occupied channels, the wireless microphone bodies in the plurality of groups of interference-free channels and the in-use near-field antennas are kept in one-to-one correspondence to be original occupied frequencies, and the plurality of groups of wireless microphone bodies in the interference channels, the in-use near-field antennas and the standby near-field antennas return to step S1.
6. A method of managing a wireless microphone system as defined in claim 5, wherein: in step S2, if the active wireless microphone body is turned off to disconnect the sub-controller from the main controller, the main controller sets the active near-field antenna matched with the wireless microphone body as a standby near-field antenna.
7. A method of managing a wireless microphone system as claimed in claim 5 or 6, wherein: in step S2, if a new wireless microphone body is turned on to connect the sub-controller with the main controller in a communication manner, the main controller returns the wireless microphone body and the standby near-field antenna to step S1.
8. A method of managing a wireless microphone system as defined in claim 1, wherein: the wireless microphone body all is equipped with initiative range finding module, near field antenna all is equipped with and is used for the driven range finding module with initiative range finding module communication connection, initiative range finding module is through the distance data transmission of a plurality of near field antennas that the auxiliary controller will measure to main control unit, in S1 step, main control unit matches wireless microphone body and near field antenna nearest in proper order through distance data control auxiliary controller.
9. A method of managing a wireless microphone system as defined in claim 1, wherein: the receiver is provided with a plurality of first connecting ports, the spectrometer is provided with a plurality of second connecting ports, and the near-field antennas are respectively provided with a first communication line connected with the first connecting ports in one-to-one correspondence and a second communication line connected with the second connecting ports in one-to-one correspondence.
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| JP3262260B2 (en) * | 1996-09-13 | 2002-03-04 | 株式会社エヌエイチケイテクニカルサービス | Control method of wireless microphone |
| CN101047408B (en) * | 2006-03-31 | 2010-06-30 | 中国科学院声学研究所 | Digital radio microphone system |
| CN103096213B (en) * | 2013-01-16 | 2015-06-10 | 江门职业技术学院 | Wireless microphone capable of avoiding same frequency interference |
| CN105848022A (en) * | 2016-06-11 | 2016-08-10 | 郭菲 | Frequency variable wireless microphone system and automatic frequency scanning method thereof |
| CN114025269A (en) * | 2021-11-05 | 2022-02-08 | 昆腾微电子股份有限公司 | Wireless microphone and wireless receiver |
| CN217470211U (en) * | 2022-05-13 | 2022-09-20 | 江门市捷思通电子科技有限公司 | Wireless control microphone |
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