CN206322472U - A kind of ZigBee voice controllers - Google Patents
A kind of ZigBee voice controllers Download PDFInfo
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- CN206322472U CN206322472U CN201621462390.5U CN201621462390U CN206322472U CN 206322472 U CN206322472 U CN 206322472U CN 201621462390 U CN201621462390 U CN 201621462390U CN 206322472 U CN206322472 U CN 206322472U
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Abstract
The utility model discloses a kind of ZigBee voice controllers, including speech recognition system and ZigBee wireless control systems, wherein, speech recognition system includes the five road microphone arrays, speech processes MCU and control output module being linked in sequence, and the control output module is connected with the ZigBee control devices in ZigBee wireless control systems；ZigBee wireless control systems include ZigBee wireless networks, ZigBee control devices, ZigBee terminal devices and gateway, the radio communication that ZigBee wireless networks are used between ZigBee control devices, ZigBee terminal devices, the control data that the ZigBee terminal devices are sent according to ZigBee control devices performs corresponding action；The control data that the gateway processes ZigBee control devices are sent.Such a voice controller can realize comprehensive reception and speech processes in 5 meters, control specific Z igBee equipment.
Description
Technical field
The utility model is related to microphone speech recognition front-ends, ZigBee radio network techniques.
Background technology
Since speech recognition technology invention, application has been obtained in every field.In smart home, most of control
Equipment is required for going to operate corresponding equipment manually, and so installation to product sometimes has higher requirement.If can be by language
Sound identification technology is applied in smart home, then user can be performed specific dynamic by specific voice to specific equipment
Make, make higher using more intelligent, convenient, flexibility.And common microphone, closely sound source, and identity can only be recognized
It is poor.So, it is desirable to speech recognition technology is applied in smart home to overcome the problems such as distance is near, noise jamming is big.
Utility model content
The purpose of this utility model, is to provide a kind of ZigBee voice controllers, it can realize comprehensive reception in 5 meters
And speech processes, control specific Z igBee equipment.
In order to reach above-mentioned purpose, solution of the present utility model is：
A kind of ZigBee voice controllers, including speech recognition system and ZigBee wireless control systems, wherein, voice is known
Other system includes the five road microphone arrays, speech processes MCU and control output module being linked in sequence, the control output module
It is connected with the ZigBee control devices in ZigBee wireless control systems；ZigBee wireless control systems include ZigBee wireless networks
Network, ZigBee control devices, ZigBee terminal devices and gateway, ZigBee wireless networks be used for ZigBee control devices,
Radio communication between ZigBee terminal devices, the control data that the ZigBee terminal devices are sent according to ZigBee control devices
Perform corresponding action；The control data that the gateway processes ZigBee control devices are sent.
Above-mentioned five road microphone array includes 5 microphones, is distributed in round 0 °, 90 °, 180 °, 270 ° and the center of circle.
Above-mentioned speech processes MCU uses main control chip XFM10521.
Above-mentioned speech processes MCU also includes echo cancellor reference circuit.
Above-mentioned speech processes MCU also includes Dolby circuit.
Above-mentioned speech processes MCU is also connected with providing the power module of stable 5V inputs for it.
After such scheme, speech recognition technology is applied in smart home by the utility model, using five tunnel Mikes
Wind array, realizes that 360 degrees omnidirection is received and processing voice messaging in 5 meters, controls specific Z igBee equipment.
Brief description of the drawings
Fig. 1 is integrated stand composition of the present utility model；
Wherein, 1,2 different control routes is represented respectively；
Fig. 2 is the schematic diagram that the utility model control is turned on light；
Fig. 3 is the structural representation of five road microphone arrays in the utility model；
Fig. 4 is the theory diagram of echo cancellation technology in the utility model.
Embodiment
Below with reference to accompanying drawing, the technical solution of the utility model is described in detail.
As shown in figure 1, the utility model provides a kind of ZigBee voice controllers, including speech recognition system and ZigBee
Wireless control system, is introduced separately below.
The speech recognition system includes five road microphone arrays, speech processes MCU and control output module, wherein, it is first
It first refer to shown in Fig. 3, be the structural representation of five road microphone arrays, five road microphone array is by 5 microphone groups
Into each 90 ° of scopes of correspondence, are distributed in round 0 °, 90 °, 180 °, 270 ° and the center of circle, pass through far field identification and noise reduction skill
Art, 5 meters are increased to by pickup distance.The utility model utilizes the airspace filter characteristic of microphone array, by waking up people's
Angle is positioned, and forms orientation pickup wave beam, and the noise beyond wave beam is suppressed, and lifts far field pickup quality, it is ensured that know
Other effect.
The speech processes MCU uses main control chip XFM10521, the pickup information for handling microphone, according to Mike
Wind phonetic entry and echo cancellation reference signal, by noise reduction process, it is setting voice, control output to judge whether voice.Its
In, theory diagram such as Fig. 4 of echo cancellation reference signal, in the scene of progress simultaneously of playing and record, speech processes MCU passes through
Echo cancellation technology, the sound of loudspeaker can be shielded, only receive the sound of user.
The control output module is connected with the ZigBee control devices in ZigBee wireless control systems, by speech processes
Result exported by I/O port and give ZigBee control devices, be used as the input of ZigBee control devices.
The ZigBee wireless control systems include ZigBee wireless networks, ZigBee control devices, ZigBee terminals and set
Standby and gateway, wherein, ZigBee wireless networks are used for the radio communication of ZigBee equipment rooms, and the ZigBee control devices are
A control end in ZigBee-network, using the result of speech processes as input, sends control data；The ZigBee terminals
Equipment is a service end in ZigBee-network, when receiving the control data in ZigBee-network, performs corresponding action；
The gateway can handle the control data that ZigBee control devices are sent, and handle corresponding equipment.
Further, also including power module, for giving speech processes MCU and the ZigBee control in the utility model respectively
Control equipment is powered there is provided the power supply to speech processes MCU, need to be inputted in strict accordance with 5V is stablized；It is supplied to ZigBee control devices
Power supply, according to actual ZigBee equipment electric requirement.
Please first understand, the voice of Voice command is not unique, example is intended only as below and is used.In addition, voice controller and
ZigBee control devices are all a parts for ZigBee voice controllers, are integrated into an equipment.
As a specific embodiment of the present utility model, before embodiment, the setting of environment is first carried out：
1）A keyword is first set as control voice, such as " turn on electric light ", as shown in Figure 2；
2）A ZigBee equipment is being bound with ZigBee voice controllers, if ZigBee smart jacks；
3）To electric on all devices, state of the smart jack in pass.
Comprise the following steps that：
1）Stand in the range of 5 meters of voice controller, said " turn on electric light " towards voice controller；
2）Voice controller receives voice, recognizes voice messaging；
3）Determine whether keyword（Such as " turn on electric light "）, when being determined as keyword, control output pin output letter
Number；
4）ZigBee control device inputs receive scanning and arrive signal, send " turning on light " request；
5）ZigBee smart jacks receive " turning on light " request, open relay, open bulb.
Above example is only explanation technological thought of the present utility model, it is impossible to limit protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme each falls within this reality
Within the scope of novel protected.
Claims (6)
1. a kind of ZigBee voice controllers, it is characterised in that：Including speech recognition system and ZigBee wireless control systems, its
In, speech recognition system includes the five road microphone arrays, speech processes MCU and control output module being linked in sequence, the control
Output module processed is connected with the ZigBee control devices in ZigBee wireless control systems；ZigBee wireless control systems include
ZigBee wireless networks, ZigBee control devices, ZigBee terminal devices and gateway, ZigBee wireless networks are controlled for ZigBee
Radio communication between control equipment, ZigBee terminal devices, what the ZigBee terminal devices were sent according to ZigBee control devices
Control data performs corresponding action；The control data that the gateway processes ZigBee control devices are sent.
2. a kind of ZigBee voice controllers as claimed in claim 1, it is characterised in that：Five road microphone array includes
5 microphones, are distributed in round 0 °, 90 °, 180 °, 270 ° and the center of circle.
3. a kind of ZigBee voice controllers as claimed in claim 1, it is characterised in that：The speech processes MCU is using master
Control chip XFM10521.
4. a kind of ZigBee voice controllers as claimed in claim 1, it is characterised in that：The speech processes MCU also includes
Echo cancellor reference circuit.
5. a kind of ZigBee voice controllers as claimed in claim 1, it is characterised in that：The speech processes MCU also includes
Dolby circuit.
6. a kind of ZigBee voice controllers as claimed in claim 1, it is characterised in that：The speech processes MCU is also connected with
The power module of stable 5V inputs is provided for it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462390.5U CN206322472U (en) | 2016-12-29 | 2016-12-29 | A kind of ZigBee voice controllers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621462390.5U CN206322472U (en) | 2016-12-29 | 2016-12-29 | A kind of ZigBee voice controllers |
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| Publication Number | Publication Date |
|---|---|
| CN206322472U true CN206322472U (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621462390.5U Active CN206322472U (en) | 2016-12-29 | 2016-12-29 | A kind of ZigBee voice controllers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108694957A (en) * | 2018-04-08 | 2018-10-23 | 湖北工业大学 | The echo cancelltion design method formed based on circular microphone array beams |
| CN109561335A (en) * | 2017-09-26 | 2019-04-02 | 中兴通讯股份有限公司 | A kind of control method of set-top box, set-top box and computer-readable medium |
-
2016
- 2016-12-29 CN CN201621462390.5U patent/CN206322472U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561335A (en) * | 2017-09-26 | 2019-04-02 | 中兴通讯股份有限公司 | A kind of control method of set-top box, set-top box and computer-readable medium |
| CN108694957A (en) * | 2018-04-08 | 2018-10-23 | 湖北工业大学 | The echo cancelltion design method formed based on circular microphone array beams |
| CN108694957B (en) * | 2018-04-08 | 2021-08-31 | 湖北工业大学 | Echo cancellation design method based on circular microphone array beam forming |
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