CN204615839U - A kind of 2.4G Radio Transmission Technology conference speech device - Google Patents
A kind of 2.4G Radio Transmission Technology conference speech device Download PDFInfo
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- CN204615839U CN204615839U CN201520281821.7U CN201520281821U CN204615839U CN 204615839 U CN204615839 U CN 204615839U CN 201520281821 U CN201520281821 U CN 201520281821U CN 204615839 U CN204615839 U CN 204615839U
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- speech device
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- radio transmission
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Abstract
The utility model discloses a kind of 2.4G Radio Transmission Technology conference speech device, it comprises wireless session main frame and wireless speech device, wireless session main frame is made up of cabinet and internal circuit, cabinet is provided with mains switch, operation keyboard, equipment interface and display screen, internal circuit comprises central signal processing unit, 2.4G wireless receiving module, signal demodulating equipment, audio signal processor, power supply and connecting circuit, wireless speech device is made up of housing and processing module, institute's housing there is speech microphone, operating display, operation keys and switch composition, processing module comprises 2.4G wireless transmitter module, data conversion module, voice modulation module, built-in antenna module forms.A kind of 2.4G Radio Transmission Technology conference speech device of the present utility model, signal cover is wide, and transmission rate is high, tonequality high-fidelity, is not easily disturbed and eavesdropping, without the need to wiring.
Description
Technical field
The utility model relates to a kind of wireless transmission audio conference system, particularly a kind of Systematic Main Frame of Meeting and speech unit applying 2.4G Radio Transmission Technology.
Background technology
The requirement of modernization conference hall to speech equipment moving convenience and Installation Flexibility is more and more higher, and particularly the speech such as microphone unit need adjust according to number of participants and meeting-place layout, so wireless session speech systematic difference is more and more extensive.Current wireless conference system mainly contains two kinds, and one is the wireless conference system based on radio frequency (radio) technology, and another is the infrared radio conference system adopting analogue audio frequency transmission.Wireless conference system based on radio-frequency technique is easily eavesdropped by external interference and malice, and needs the radio frequency usage license; Infrared radio conference system is then not fully up to expectations in tonequality performance, and the narrow regions of transmission range only under infrared transmitter covers.Such Radio Transmission Technology can not meet the conference hall of modernization high request.
Therefore, need explore that a kind of signal cover is wide, transmission rate is high, tonequality high-fidelity, be not easily disturbed with eavesdrop, conference speech device without the need to connecting up.
Utility model content
In view of this, the utility model provides a kind of 2.4G Radio Transmission Technology conference speech device, and narrow to solve existing signal cover, transmission rate is low, and tonequality infidelity is easily disturbed and eavesdropping, the problem that need connect up.
The utility model is solved the problems of the technologies described above by following technological means:
A kind of 2.4G Radio Transmission Technology conference speech device of the present utility model, comprise wireless session main frame and wireless speech device, described wireless session main frame is made up of cabinet and internal circuit, described cabinet is provided with mains switch, operation keyboard, equipment interface and display screen, described internal circuit comprises central signal processing unit, 2.4G wireless receiving module, signal demodulating equipment, audio signal processor, power supply and connecting circuit, described central signal processing unit, 2.4G wireless receiving module, signal demodulating equipment, audio signal processor, power supply and connecting circuit are all arranged on a mainboard, described wireless speech device is made up of housing and processing module, described housing is provided with speech microphone, operating display, operation keys and switch composition, described processing module is by 2.4G wireless transmitter module, data conversion module, voice modulation module, built-in antenna module forms.
Further, described wireless speech device is provided with portable power source.
Further, described wireless session main frame is provided with video switch distribution module.
Further, described wireless session main frame is provided with encryption device.
The beneficial effects of the utility model: a kind of 2.4G Radio Transmission Technology conference speech device of the present utility model, signal cover is wide, and transmission rate is high, tonequality high-fidelity, is not easily disturbed and eavesdropping, without the need to wiring.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is structural frames schematic diagram of the present utility model,
Fig. 2 is the structural frames schematic diagram of the utility model wireless session main frame,
Fig. 3 is the structural frames schematic diagram of the wireless speech device of the utility model.
Wherein: 1, wireless session main frame, 2, wireless speech device, 3, cabinet, 4, internal circuit, 5, mains switch, 6, operation keyboard, 7, equipment interface, 8, display screen, 9, central signal processing unit, 10, 2.4G wireless receiving module, 11, signal demodulating equipment, 12, audio signal processor, 13, power supply, 14, connecting circuit, 15, mainboard, 16, housing, 17, processing module, 18, speech microphone, 19, operating display, 20, operation keys, 21, switch, 22, 2.4G wireless transmitter module, 23, data conversion module, 24, voice modulation module, 25, built-in antenna module, 26, portable power source, 27, video switch distribution module, 28, encryption device.
Embodiment
Below with reference to accompanying drawing, the utility model is described in detail, as Fig. 1, shown in Fig. 2 and Fig. 3: a kind of 2.4G Radio Transmission Technology conference speech device of the present embodiment, comprise wireless session main frame 1 and wireless speech device 2, described wireless session main frame 1 is made up of cabinet 3 and internal circuit 4, and described cabinet 3 is provided with mains switch 5, operation keyboard 6, equipment interface 7 and display screen 8, described internal circuit 4 comprises central signal processing unit 9, 2.4G wireless receiving module 10, signal demodulating equipment 11, audio signal processor 12, power supply 13 and connecting circuit 14, described central signal processing unit 9, 2.4G wireless receiving module 10, signal demodulating equipment 11, audio signal processor 12, power supply 13 and connecting circuit 14 are all arranged on a mainboard 15, and described wireless speech device 2 is made up of housing 16 and processing module 17, described housing 17 are provided with speech microphone 18, operating display 19, operation keys 20 and switch 21 form, and described processing module 17 is by 2.4G wireless transmitter module 22, data conversion module 23, voice modulation module 24, built-in antenna module 25 forms.
As the further improvement of technique scheme, described wireless speech device 2 is provided with portable power source 26.
As the further improvement of technique scheme, described wireless session main frame 1 is provided with video switch distribution module 27.
As the further improvement of technique scheme, described wireless session main frame 1 is provided with encryption device 28.
During use, the speech microphone of wireless speech device 2 carries out pickup, then A/D conversion is carried out by data conversion module 23, digital signal is carried out modulation through voice modulation module 24 and is exported, launched by 2.4G wireless transmitter module 22 and built-in antenna module 25, the signal received is carried out rectification by signal demodulating equipment 11 by the 2.4G wireless receiving module 10 in wireless session main frame 1, finally audio signal single channel or audio mixing are exported and processed by audio signal processor 12, carry out audio frequency output by audio signal processor 12.
Wireless speech device 2 is provided with portable power source 26, can charges, for wireless speech device 2 provides electric energy.
Wireless session main frame 1 is provided with video switch distribution module 27, the control protocol of built-in multiple professional camera, can the multiple professional camera such as control SONY, PELCO, SAMSUNG, there is video switch distribution function, with RS-485 and RS232 interface, central control system, computer and other control appliances can be connected and control.A main frame can connect more than 200 conference devices, fully meets the demand of various scale meeting.
Wireless session main frame 1 is provided with encryption device 28, encryption device 28 have employed the accurate cipher key of 128, fully ensure that the fail safe of highest level.Coordinate up-to-date QFSK demodulation mode, make conference process more safely with stable.
The Fast Installation of system and folding and unfolding, connect cable, opening power and applicable, put during participant, after meeting, direct folding and unfolding, directly can carry out unit charging in the process of folding and unfolding, is preparing of next meeting.Meet the flexible use of government's meeting and the different demands in meeting-place such as hotel's meeting.Flexibility, without the work progress of pipelining, conference table keeps the nature of desktop and attractive in appearance without the need to the cabling that punches, and leisurely and carefreely puts.
In addition because the modulation demodulation system of Digital Transmission is different so at the scene of meeting can not disturb by other digital signal.The independent transmission of conference system self and receiving system, high speed space search function brings the stability and safety of higher level to native system in addition.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (4)
1. a 2.4G Radio Transmission Technology conference speech device, it is characterized in that: comprise wireless session main frame (1) and wireless speech device (2), described wireless session main frame (1) is made up of cabinet (3) and internal circuit (4), described cabinet (3) is provided with mains switch (5), operation keyboard (6), equipment interface (7) and display screen (8), described internal circuit (4) comprises central signal processing unit (9), 2.4G wireless receiving module (10), signal demodulating equipment (11), audio signal processor (12), power supply (13) and connecting circuit (14), described central signal processing unit (9), 2.4G wireless receiving module (10), signal demodulating equipment (11), audio signal processor (12), power supply (13) and connecting circuit (14) are all arranged on a mainboard (15), and described wireless speech device (2) is made up of housing (16) and processing module (17), described housing (17) are provided with speech microphone (18), operating display (19), operation keys (20) and switch (21) composition, described processing module (17) is by 2.4G wireless transmitter module (22), data conversion module (23), voice modulation module (24), built-in antenna module (25) forms.
2. a kind of 2.4G Radio Transmission Technology conference speech device according to claim 1, is characterized in that: described wireless speech device (2) is provided with portable power source (26).
3. a kind of 2.4G Radio Transmission Technology conference speech device according to claim 1, is characterized in that: described wireless session main frame (1) is provided with video switch distribution module (27).
4. a kind of 2.4G Radio Transmission Technology conference speech device according to claim 1, is characterized in that: described wireless session main frame (1) is provided with encryption device (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281821.7U CN204615839U (en) | 2015-05-04 | 2015-05-04 | A kind of 2.4G Radio Transmission Technology conference speech device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281821.7U CN204615839U (en) | 2015-05-04 | 2015-05-04 | A kind of 2.4G Radio Transmission Technology conference speech device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204615839U true CN204615839U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520281821.7U Expired - Fee Related CN204615839U (en) | 2015-05-04 | 2015-05-04 | A kind of 2.4G Radio Transmission Technology conference speech device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204615839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107027004A (en) * | 2017-05-26 | 2017-08-08 | 上海启诺信息科技有限公司 | Phonotape and videotape linkage microphone host |
-
2015
- 2015-05-04 CN CN201520281821.7U patent/CN204615839U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107027004A (en) * | 2017-05-26 | 2017-08-08 | 上海启诺信息科技有限公司 | Phonotape and videotape linkage microphone host |
| CN107027004B (en) * | 2017-05-26 | 2023-06-16 | 上海启诺信息科技有限公司 | Main unit of audio-video linkage microphone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |