CN207530818U - A kind of intercom system based on WIFI - Google Patents
A kind of intercom system based on WIFI Download PDFInfo
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- CN207530818U CN207530818U CN201721650032.1U CN201721650032U CN207530818U CN 207530818 U CN207530818 U CN 207530818U CN 201721650032 U CN201721650032 U CN 201721650032U CN 207530818 U CN207530818 U CN 207530818U
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Abstract
The utility model discloses a kind of intercom systems based on WIFI, including microcontroller, voice transmission circuit and phonetic incepting circuit, the single-chip microcomputer input is connect with keyboard, output terminal is connect with display screen, the microcontroller passes through 2.4G wireless networks and mining dispatching platform, it is connect by flash memories with clock one end, microcontroller is connect by digital processing unit with pulse code modulation chip one end and gaussian minimum shift keying one end respectively, microcontroller is connect with digital processing element, the clock other end is connect with internal memory one end, the internal memory other end is connect with the gaussian minimum shift keying other end, the pulse code modulator other end is connect with voice transmission circuit, the voice transmission circuit is connect by antenna with phonetic incepting circuit.The utility model solves the problems, such as that existing intercom system speech quality is poor, frequency is fixed, extends difficult, poor anti-interference.
Description
Technical field
The utility model is related to a kind of intercom systems, and in particular to a kind of intercom system based on WIFI.
Background technology
Intercom system is in daily life using very extensive.Under existing well intercom system there are the shortcomings that：Tradition leakage
Communication mode, leakage communication cable easily block, and cause speech quality poor；United Dispatching backstage cannot be incorporated, it can only be by fixation
Predeterminated frequency is run；It cannot extend with underworkings and flexibly be followed up；Poor anti jamming capability, especially in underground particular surroundings,
It is especially prominent.Significant limitation is brought to mine intercom system for these reasons, does not give full play to underground intercom system
Important function.
Invention content
The utility model solves the deficiencies in the prior art, provides a kind of simple in structure, easy to use based on WIFI
Intercom system.
Used technical solution is the utility model to achieve these goals：
A kind of intercom system based on WIFI, including microcontroller, voice transmission circuit and phonetic incepting circuit, the monolithic
Machine input terminal is connect with keyboard, and output terminal is connect with display screen, and the microcontroller is flat by 2.4G wireless networks and mining scheduling
Platform is connect by flash memories with clock one end, microcontroller by after digital processing unit respectively with pulse code modulation chip one end
And the connection of gaussian minimum shift keying one end, microcontroller are connect with baseband processing unit, the clock other end and internal memory one
End connection, the internal memory other end are connect with the gaussian minimum shift keying other end, and the pulse code modulator other end is sent out with voice
Transmit-receive radio road connects, and the voice transmission circuit is connect by antenna with phonetic incepting circuit.The utility model passes through voice transmission
Circuit carries out transmitting voice messaging, and voice messaging is passed to pulse code modulator all the way, then passed through by voice transmission circuit
It is stored in internal memory after digital signal processor and gaussian minimum shift keying, voice transmission circuit another way leads to voice messaging
It crosses in the phonetic incepting circuit that antenna passes to another intercom；The information in internal memory can be read in microcontroller, and information is shown
Show on the display screen of intercom, also can be by 2.4G wireless network transmissions to mining dispatching platform, mining dispatching platform also may be used
Intercommunication machine information is passed to by 2.4G wireless networks, the baseband processor unit is used to connect optical fiber.
Further, the voice transmission circuit includes microphone, microphone amplifier, 2.4G wireless transmitters, voice amplification
Device, vocoder, transmitter and antenna, the microphone are connect by microphone amplifier with 2.4G wireless transmitters, 2.4G without
Line transmitter is connect simultaneously with mining dispatching platform and speech amplifier first end, speech amplifier second end and pulse code tune
Device other end connection processed, speech amplifier third end is connect successively with vocoder, transmitter and antenna.In the utility model
Voice transmission circuit by microphone collected sound signal, after microphone amplifier amplifies sound, wirelessly sent out by 2.4G
The acoustic information of acquisition is sent to mining dispatching platform by emitter, and in mining dispatching platform by rear, voice messaging is passed through language
Sound amplifier amplifies, and speech amplifier one end passes information to vocoder and encoded, and the other end passes voice messaging
Pass pulse code modulator, vocoder will pass to transmitter after encoding speech information, transmitter is by antenna by language
Message breath passes to another intercom.
Further, the phonetic incepting circuit is put including receiver, voice decoder, 2.4G wireless receivers, audio
Big device, loudspeaker, audio defeat device, described receiver one end are connect with antenna, and the other end is connect with voice decoder one end, sound
The sound decoder other end is connect with the first end of 2.4G wireless receivers, 2.4G wireless receivers second end and mining dispatching platform
Connection, 2.4G wireless receiver third ends are connect with audio-frequency amplifier one end, and the audio-frequency amplifier other end is connect with loudspeaker, institute
Loudspeaker and audio-frequency amplifier is stated to connect with audio defeat device respectively.Phonetic incepting circuit in the utility model leads in receiver
After crossing the voice messaging that antenna receives another intercom transmission, voice messaging is passed into voice decoder, voice decoder
Information is transmitted to mining dispatching platform by 2.4G wireless receivers after being decoded, mining dispatching platform is by rear, another pair
It says that machine is played out the voice messaging received by audio-frequency amplifier and loudspeaker, while audio defeat device can also be passed through
Carry out noise reduction.
Further, the mining dispatching platform includes voice controller, the information for information to be controlled to send and receive
Processor, intercommunication machine controller.The utility model by mining dispatching platform realize individual calling, group exhale, group busy, night watching, broadcast etc.
Function supports individual calling either simplex, individual calling duplex capability.
The utility model uses " existing " WiFi wireless networks, without putting into excessive network equipment expense.Only need
Flexibly increase, reduce AP, you can realizing the region overlay of call increases or reduce；No longer apply for frequency point to " no committee ", without
Frequency point expense and cost of the phone call；By mining dispatching platform, the functions such as realization individual calling, group are exhaled, grouied busy, night watching, broadcast are supported single
Exhale either simplex, individual calling duplex capability；Platform is supported to issue verbal announcement, platform recording；Support active user Stateful Inspection.This practicality
New architecture is simple, quick to arrange, powerful, of low cost.
Description of the drawings
The utility model is further described referring now to attached drawing, wherein：
Fig. 1 is the utility model circuit diagram.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected range.
As shown in Figure 1, a kind of intercom system based on WIFI, connects including microcontroller (MCU), voice transmission circuit and voice
Circuit is received, microcontroller (MCU) input terminal is connect with keyboard, and output terminal is connect with display screen, and the microcontroller (MCU) passes through
2.4G wireless networks and mining dispatching platform, are connect, monolithic by flash memories (flash chip) with clock (RTC chip) one end
Machine (MCU) by digital processing unit (DSP) respectively with pulse code modulator (PCMcdlx chips) one end and gaussian minimum shift
Keying (GMSK/4FSK chips) one end connects, and microcontroller (MCU) is connect with baseband processing unit (RUBB units), the clock
(RTC chip) other end is connect with internal memory (SDP chips) one end, internal memory (SDP chips) other end and gaussian minimum shift
Keying (GMSK/4FSK chips) other end connects, pulse code modulator (PCMcdlx chips) other end and voice transmission circuit
Connection, the voice transmission circuit are connect by antenna with phonetic incepting circuit.The utility model by voice transmission circuit into
Voice messaging is passed to pulse code modulator (PCMcdlx chips) by row transmitting voice messaging, voice transmission circuit all the way, so
Internal memory (SDP cores are stored in after digital signal processor (DSP) and gaussian minimum shift keying (GMSK/4FSK chips) afterwards
Piece) in, voice transmission circuit another way is passed to voice messaging by antenna in the phonetic incepting circuit of another intercom；It is single
By keyboard input information the information in internal memory (SDP chips) can be read, and by presentation of information in intercom in piece machine (MCU)
Display screen on, also can by 2.4G wireless network transmissions to mining dispatching platform, mining dispatching platform also can by 2.4G without
Gauze network passes to intercommunication machine information, and the baseband processor unit is used to connect optical fiber.
Further, the voice transmission circuit includes microphone, microphone amplifier, 2.4G wireless transmitters, voice amplification
Device, vocoder, transmitter and antenna, the microphone are connect by microphone amplifier with 2.4G wireless transmitters, 2.4G without
Line transmitter is connect simultaneously with mining dispatching platform and speech amplifier first end, speech amplifier second end and pulse code tune
Device (PCMcdlx chips) other end connection processed, speech amplifier third end connects successively with vocoder, transmitter and antenna
It connects.Voice transmission circuit in the utility model is by microphone collected sound signal, after microphone amplifier amplifies sound,
The acoustic information of acquisition is sent to by mining dispatching platform by 2.4G wireless transmitters, it, will in mining dispatching platform by rear
Voice messaging is amplified by speech amplifier, and speech amplifier one end passes information to vocoder and encoded, another
End passes information to pulse code modulator (PCMcdlx chips), and vocoder passes to transmitter after encoding information onto,
Voice messaging is passed to another intercom by transmitter by antenna.
Further, the phonetic incepting circuit includes antenna, receiver, voice decoder, 2.4G wireless receivers, sound
Audio amplifier, loudspeaker, audio defeat device, described receiver one end are connect with antenna, and the other end connects with voice decoder one end
It connects, the voice decoder other end is connect with the first end of 2.4G wireless receivers, 2.4G wireless receivers second end and mining tune
Platform connection is spent, 2.4G wireless receiver third ends are connect with audio-frequency amplifier one end, the audio-frequency amplifier other end and loudspeaker
Connection, the loudspeaker and audio-frequency amplifier are connect respectively with audio defeat device.Phonetic incepting circuit in the utility model exists
After receiver receives the voice messaging of another intercom by antenna, voice messaging is passed into voice decoder, sound solution
Information is transmitted to mining dispatching platform by code device after being decoded by 2.4G wireless receivers, and mining dispatching platform is by rear, separately
One intercom is played out the voice messaging received by audio-frequency amplifier and loudspeaker, while can also be dropped by audio
Device of making an uproar carries out noise reduction.
Further, the mining dispatching platform includes voice controller, the information for information to be controlled to send and receive
Processor, intercommunication machine controller.The utility model by mining dispatching platform realize individual calling, group exhale, group busy, night watching, broadcast etc.
Function supports individual calling either simplex, individual calling duplex capability.
Above disclosed is only the preferred embodiment of the utility model, certainly cannot be new to limit this practicality with this
The interest field of type, therefore the equivalent variations made according to present utility model application the scope of the claims still belong to the utility model and are covered
Range.It should be appreciated that above description be intended to it is illustrative and not limiting.For example, above-described embodiment (and/or its aspect) can
With in combination with one another.In addition, enlightenment according to the present utility model, which can make many remodeling, is suitable for specific situation or material
Material is without departing from the scope of the utility model.By reading foregoing description, in scope and spirit of the claims it is many its
Its embodiment and remodeling it will be apparent to those skilled in the art that.
Claims (4)
1. a kind of intercom system based on WIFI, which is characterized in that including microcontroller, voice transmission circuit and phonetic incepting electricity
Road, the single-chip microcomputer input are connect with keyboard, and output terminal is connect with display screen, the microcontroller by 2.4G wireless networks with
Mining dispatching platform is connect by flash memories with clock one end, microcontroller by digital processing unit respectively with pulse code modulation
Chip one end and the connection of gaussian minimum shift keying one end, microcontroller connect with baseband processing unit, the clock other end and
Internal memory one end connects, and the internal memory other end is connect with the gaussian minimum shift keying other end, the pulse code modulator other end
It is connect with voice transmission circuit, the voice transmission circuit is connect by antenna with phonetic incepting circuit.
2. the intercom system according to claim 1 based on WIFI, which is characterized in that the voice transmission circuit includes words
Cylinder, microphone amplifier, 2.4G wireless transmitters, speech amplifier, vocoder, transmitter and antenna, the microphone pass through
Microphone amplifier is connect with 2.4G wireless transmitters, 2.4G wireless transmitters simultaneously with mining dispatching platform and speech amplifier the
One end connects, and speech amplifier second end connect with the pulse code modulator other end, speech amplifier third end successively with sound
Sound encoder, transmitter and antenna connection.
3. the intercom system according to claim 1 based on WIFI, which is characterized in that the phonetic incepting circuit includes day
Line, receiver, voice decoder, 2.4G wireless receivers, audio-frequency amplifier, loudspeaker, audio defeat device, the receiver one
End is connect with antenna, and the other end is connect with voice decoder one end, and the of the voice decoder other end and 2.4G wireless receivers
One end connects, and 2.4G wireless receivers second end is connect with mining dispatching platform, and 2.4G is put at wireless receiver third end with audio
Big device one end connection, the audio-frequency amplifier other end are connect with loudspeaker, and the loudspeaker and audio-frequency amplifier drop respectively with audio
Device of making an uproar connects.
4. the intercom system according to any one of claim 1 to 3 based on WIFI, which is characterized in that the mining tune
Degree platform includes voice controller, message handler, intercommunication machine controller for information to be controlled to send and receive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721650032.1U CN207530818U (en) | 2017-12-01 | 2017-12-01 | A kind of intercom system based on WIFI |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721650032.1U CN207530818U (en) | 2017-12-01 | 2017-12-01 | A kind of intercom system based on WIFI |
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| Publication Number | Publication Date |
|---|---|
| CN207530818U true CN207530818U (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721650032.1U Active CN207530818U (en) | 2017-12-01 | 2017-12-01 | A kind of intercom system based on WIFI |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757042A (en) * | 2018-06-29 | 2018-11-06 | 中国矿业大学 | It is a kind of based on wireless portable emergency rescue system |
-
2017
- 2017-12-01 CN CN201721650032.1U patent/CN207530818U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757042A (en) * | 2018-06-29 | 2018-11-06 | 中国矿业大学 | It is a kind of based on wireless portable emergency rescue system |
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