CN206332856U - A kind of channel wireless radio multi speech device - Google Patents
A kind of channel wireless radio multi speech device Download PDFInfo
- Publication number
- CN206332856U CN206332856U CN201621478388.7U CN201621478388U CN206332856U CN 206332856 U CN206332856 U CN 206332856U CN 201621478388 U CN201621478388 U CN 201621478388U CN 206332856 U CN206332856 U CN 206332856U
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- wireless
- channel
- wireless transceiver
- voice
- speech
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Abstract
The utility model is related to a kind of channel wireless radio multi speech device, including a base station and multiple wireless speech terminals, the base station includes one first and consults wireless transceiver and multiple first voice wireless transceivers, first, which consults wireless transceiver, connects the first Channel assignment chip, first Channel assignment chip, which is connected, also includes audio group bag/solution clad sheet in multiple first voice wireless transceivers, base station；Wireless speech terminal includes the second negotiation wireless transceiver and a second voice wireless transceiver, and second consults wireless transceiver connection second channel selection chip, and second channel selection chip connects the second voice wireless transceiver.Wireless transceiver determines the quality of each available channel in ISM band used to the channel wireless radio multi speech device that the utility model is provided with Channel assignment chip through consultation, the stability of system communication is improved, and avoiding the interference avoided by way of occupied channel to other wireless devices.
Description
Technical field
The utility model is related to a kind of wireless speech system, more particularly to a kind of channel wireless radio multi speech device.
Background technology
In conference system application, compared with wired meeting scheme, wireless session scheme has because of it without wiring
Easy for installation, flexible configuration, scene advantage attractive in appearance, so as to more and more be used.But wireless session scheme also has it to lack
Point, importantly it is easily disturbed by other wireless devices in environment, thus the stability of application is relatively low.
In radio systems, in order to improve the capacity of system, a kind of conventional scheme is time-sharing multiplex, as multiple wireless
The nonoverlapping timeslice of terminal distribution, allows them to share a channel.The advantage of this scheme is to take less channel
Resource, thus it is smaller with probability that other wireless devices are interfered.
The scheme of time-sharing multiplex makes multiple terminals share a channel resource, and inevitable requirement is on single channel using higher
Transmission rate.With the raising of the transmission rate on channel, receiving terminal sensitivity decrease, it is desirable to there is higher signal to noise ratio,
Thus it is extremely difficult to larger transmission range.
Another conventional scheme is that frequency dividing multiplexing, i.e. system use multiple channels simultaneously, monopolizes each wireless terminal
One channel.The advantage of this scheme is can to use relatively low transmission rate on a single channel, thus improves sensitivity,
Transmission range can be expanded.
The scheme of frequency dividing multiplexing makes each terminal monopolize a channel, and whole system is accomplished by using multiple channels, taken
More channel resource.The probability that thus it and the other wireless devices being operated in same ISM band are interfered
Become big, just reduce the stability and reliability of system.
Utility model content
The utility model embodiment technical problem to be solved is, can not be for current wireless speech system simultaneously
A kind of the problem of reaching high stable and long range, it is proposed that channel wireless radio multi speech device.
In order to solve the above-mentioned technical problem, the utility model embodiment provides a kind of channel wireless radio multi speech device, bag
A base station and multiple wireless speech terminals are included, the base station includes one first negotiation wireless transceiver and multiple first
Voice wireless transceiver, first, which consults wireless transceiver, connects the first Channel assignment chip, and the connection of the first Channel assignment chip is more
Also include audio group bag/solution clad sheet in individual first voice wireless transceiver, base station, be bi-directionally connected multiple first voices and wirelessly receive
Send out device；Wireless speech terminal includes the second negotiation wireless transceiver and a second voice wireless transceiver, and second consults
Wireless transceiver connection second channel selection chip, second channel selection chip connects the second voice wireless transceiver.
Wherein, wireless speech terminal further comprises audio broadcasting/sampling A/D chip, double with the second voice wireless transceiver
To connection.
Wherein, the second negotiation wireless transceiver is connected with the first negotiation wireless transceiver signal, the first Channel assignment chip
Control the working condition of the first voice wireless transceiver.
Wherein, audio broadcasting/sampling A/D chip connection microphone and loudspeaker.
Implement the utility model embodiment, have the advantages that：The channel wireless radio multi speech that the utility model is provided
Wireless transceiver and Channel assignment chip determine the quality of each available channel in ISM band used to device through consultation, and and
When low-quality channel is replaced with high-quality channel, improve the stability of system communication, and by avoiding occupied letter
The mode in road avoids the interference to other wireless devices.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the base station of the channel wireless radio multi speech device in the embodiment of the utility model one；
Fig. 2 is the structural representation of the wireless speech terminal of the channel wireless radio multi speech device in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1-Fig. 2, Fig. 1 is the knot of the base station of the channel wireless radio multi speech device in the embodiment of the utility model one
Structure schematic diagram, Fig. 2 is the structural representation of the wireless speech terminal of the channel wireless radio multi speech device in Fig. 1.The multichannel without
Line speech device includes base station 10 and multiple wireless speech terminals 20.
The base station 10 includes one first and consults wireless transceiver 11 and multiple first voice wireless transceivers 12, the
One consult wireless transceiver 11 connect the first Channel assignment chip 13, the first Channel assignment chip 13 connect multiple first voices without
Also include audio group bag/solution clad sheet 14 in line transceiver 12, base station 10, be bi-directionally connected multiple first voice wireless transceivers
12.The audio group bag of the base station 10/connection central controller of solution clad sheet 14.
Wireless speech terminal 20 includes the second negotiation wireless transceiver 21 and a second voice wireless transceiver 22,
Second consults the connection second channel selection chip 23 of wireless transceiver 21, and it is wireless that second channel selection chip 23 connects the second voice
Transceiver 22.
Wherein, wireless speech terminal 20 further comprises audio broadcasting/sampling A/D chip 24, with the second voice wireless receiving and dispatching
Device 22 is bi-directionally connected.
Wherein, the second negotiation wireless transceiver 21 is connected with the first negotiation signal of wireless transceiver 11, the first Channel assignment
Chip 13 controls the working condition of the first voice wireless transceiver 12.
Wherein, audio broadcasting/connection microphone of sampling A/D chip 24 and loudspeaker.
Each wireless transceiver in base station corresponds to a channel.
First voice wireless transceiver 12 is responsible for transmitting audio data, because amount of voice data is larger, and such channel is used
Higher transmission rate.First, which consults wireless transceiver 11, is responsible for transmission negotiation data, and the data volume of negotiation data is smaller, the letter
Road uses relatively low transmission rate, thus the first negotiation wireless transceiver 11 is had higher reliability.First channel is selected
The channel quality information that chip 13 is collected into according to the first negotiation wireless transceiver 11 is selected, is dynamically selected according to certain rule
Select the working frequency points of the first voice wireless transceiver 12.The second channel of wireless speech terminal 20 selects chip 23 according to base station 10
The distribution instruction sent of the first negotiation wireless transceiver 11, inform channel that the second voice wireless transceiver 22 should use frequently
Point.
The utility model proposes wireless solution in, key component is " negotiated channel " and " Channel assignment ".Through consultation
Each wireless speech terminal is inquired in channel, wireless base station successively, and the RSSI that the wireless terminal being asked starts to measure each frequency (is penetrated
Frequency signal strength indicator), and measured value is sent to wireless base station.
Each wireless terminal is constantly inquired in wireless base station successively, collects the signal strength indicator of all terminal measurements.Currently
Moment, four voice channels of base station respectively take a frequency and carry out voice transfer.If four frequencies being currently currently being used
Point all can normally transmitting audio data, then they will continue to use.If four frequencies being currently currently being used
In at least one there is transmission abnormality, then start once " Channel assignment " task, select the frequency of better quality with replace it is different
Normal frequency.
" Channel assignment ", according to each frequency RSSI for being collected into, selection wherein most clean frequency is replacing abnormal channel just
In the frequency used.When once being changed frequency used by " Channel assignment " mechanism, i.e. voice channel for execution, base station can pass through
Negotiated channel notifies new frequency to all wireless terminals.So, wireless system will avoid ropy channel in time,
Dynamically from the high channel of quality, it is ensured that communication stability.
Implement the utility model embodiment, have the advantages that：The channel wireless radio multi speech that the utility model is provided
Wireless transceiver and Channel assignment chip determine the quality of each available channel in ISM band used to device through consultation, and and
When low-quality channel is replaced with high-quality channel, improve the stability of system communication, and by avoiding occupied letter
The mode in road avoids the interference to other wireless devices.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modifications, equivalent substitutions and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (4)
- The device 1. a kind of channel wireless radio multi is made a speech, including a base station and multiple wireless speech terminals, it is characterised in that described Base station includes one first and consults wireless transceiver and multiple first voice wireless transceivers, and described first consults wireless receive Send out device and connect the first Channel assignment chip, the first Channel assignment chip connects multiple first voice wireless transceivers, Also include audio group bag/solution clad sheet in the base station, be bi-directionally connected multiple first voice wireless transceivers；It is described wireless Speech terminal includes the second negotiation wireless transceiver and a second voice wireless transceiver, and described second consults wireless receive Device connection second channel selection chip is sent out, the second channel selection chip connects the second voice wireless transceiver.
- The device 2. channel wireless radio multi as claimed in claim 1 is made a speech, it is characterised in that in the wireless speech terminal further Including audio broadcasting/sampling A/D chip, it is bi-directionally connected with the second voice wireless transceiver.
- The device 3. channel wireless radio multi as claimed in claim 2 is made a speech, it is characterised in that described second consult wireless transceiver with Described first consults the connection of wireless transceiver signal, the first voice wireless transceiver described in the first Channel assignment chip controls Working condition.
- The device 4. channel wireless radio multi as claimed in claim 2 is made a speech, it is characterised in that the audio broadcasting/sampling A/D chip connects Connect microphone and loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621478388.7U CN206332856U (en) | 2016-12-30 | 2016-12-30 | A kind of channel wireless radio multi speech device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621478388.7U CN206332856U (en) | 2016-12-30 | 2016-12-30 | A kind of channel wireless radio multi speech device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206332856U true CN206332856U (en) | 2017-07-14 |
Family
ID=59294716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621478388.7U Expired - Fee Related CN206332856U (en) | 2016-12-30 | 2016-12-30 | A kind of channel wireless radio multi speech device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206332856U (en) |
-
2016
- 2016-12-30 CN CN201621478388.7U patent/CN206332856U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20201230 |