CN2930178Y - Infrared remote control radio speaker - Google Patents
Infrared remote control radio speaker Download PDFInfo
- Publication number
- CN2930178Y CN2930178Y CN 200620124009 CN200620124009U CN2930178Y CN 2930178 Y CN2930178 Y CN 2930178Y CN 200620124009 CN200620124009 CN 200620124009 CN 200620124009 U CN200620124009 U CN 200620124009U CN 2930178 Y CN2930178 Y CN 2930178Y
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- module
- sound box
- wireless sound
- infrared
- remote control
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Abstract
The utility model discloses an infrared remote control wireless sound box which comprises a box body, a loudspeaker fixed on the box body and a wireless sound box main control board fixed inside the box body. The wireless sound box main control board is fixedly connected with a power supply module, an embedded singlechip control module, a RF receiving demodulation module and a power amplifier module. According to the utility model, the wireless sound box also comprises a infrared module electrically connected with the embedded singlechip control module. A infrared receiver which is electrically connected with the infrared module is fixedly connected on the box body. The infrared remote control wireless sound box has the beneficial effects of convenient infrared remote control function which enables the users to adjust and select the sound volume, frequency and channel of the sound box itself when the wireless sound box is installed at a high or special position that the remote control operations are required.
Description
Technical field
This product belongs to the product that a kind of intelligent embedded system is controlled and the wireless radiofrequency power technology combines, and is a kind of high-power wireless audio amplifier that can constitute wireless connections with the audio-frequency unit of stereo set, portable music player (mp3, portable tape or CD player), TV, set-top box.
Background technology
Various desk-top sound equipment electric equipment that possesses audio output function of the prior art such as TV, set-top box, DVD etc. are to join by wired mode and audio amplifier, there is the problem of line trouble in this connected mode, under the situation of some open airs or temporary meeting, the wired connection mode becomes very trouble.
In existing technology, some wireless sound boxes have also appearred, No. 95246215 utility model patent of on March 26th, 1997 bulletin for example, its patent name is " an infrared radio audio amplifier ", this utility model is to adopt infrared subcarrier to carry out audio signal transmission, adopt the 50-2400 megahertz different fully with us in the signal format that ripple carries out audio signal transmission, it does not possess function of infrared remote control simultaneously, do not possess the RS232 interface, also therefore can not carry out communication with computer equipment is connected, it does not possess channel storage and channel selection function yet, therefore can not can carry out the dynamic adjustment of frequency in certain frequency range as our this product.
Audio amplifier of the prior art (comprising active and passive loudspeaker box), the function that does not all possess infrared remote control, and the function of infrared remote control that our this product proposes, for solving wireless sound box because special drinking under the occasion such as installation site height, installation site be special, the user can with Infrared remote controller to the volume of audio amplifier own, frequency, channel is adjusted and select, on the function, offered the bigger convenience of client.
The utility model content
A purpose of the present utility model is to provide the wireless sound box of operate as normal in the wider frequency range.
For achieving the above object, infrared remote control wireless sound box in the utility model comprises casing, is fixed in the loudspeaker on the casing, with the wireless sound box master board of being fixed in the casing, be fixed with power module, embedded scm control module, RF receiving demodulation module and power amplifier module on the described wireless sound box master control borad, wherein, power module links to each other with each several part, and power supply is provided; The embedded scm control module is electrically connected with RF receiving demodulation module and power amplifier module, and described RF receiving demodulation module is electrically connected with power amplifier module; According to the utility model, described wireless sound box master control borad also comprises an infrared module that is electrically connected with the embedded scm control module, the infrared receiving terminal that is connected on the described casing, and described infrared receiving terminal is electrically connected with described infrared module.
Preferably, wireless sound box of the present utility model lives also to comprise a number tone of Chinese characters sound module on the control board, described digital tuning module is electrically connected between described RF receiving demodulation module and the power amplifier module, and described embedded scm control module is electrically connected with the control end of described digital tuning module.
The beneficial effects of the utility model are, can provide a function of infrared remote control very easily: the function that has increased infrared remote control in the product design, for solving wireless sound box because under the particular application such as installation site height, installation site are special, client's remote operation, the user can with Infrared remote controller to the volume of audio amplifier own, frequency, channel is adjusted and select, on the function, offered the bigger convenience of client.
Description of drawings
Fig. 1 is an infrared remote control wireless sound box structural front view of the present utility model.
Fig. 2 is the master control borad circuit theory diagrams of infrared remote control wireless sound box of the present utility model.
Fig. 3 is the master control borad circuit diagram of the infrared remote control wireless sound box of embodiment of the present utility model.
Fig. 4 is the rearview of infrared remote control wireless sound box of the present utility model.
Embodiment
The utility model relates to a kind of infrared remote control wireless sound box, the utility model is elaborated by embodiment below in conjunction with accompanying drawing.
With reference to Fig. 1, the infrared remote control wireless sound box in first kind of embodiment of the utility model comprises casing 1, is fixed in the loudspeaker 2 on the casing and is fixed in the interior wireless sound box master board 3 of casing.
With reference to Fig. 2, be fixed with power module 31, embedded scm control module 32, RF receiving demodulation module 33 on the wireless sound box master control borad 3, power amplifier module 34 and digital tuning module 35; Wherein, power module 31 links to each other with each several part, and power supply is provided; Embedded scm control module 32 is electrically connected with RF receiving demodulation module 33, power amplifier module 34 and digital tuning module 35, described RF receiving demodulation module 33 is used to receive the raising frequency that sent by the outside tone playing equipment audio signal to rf frequency, carry out the amplitude adjusting with sending into coupled digital tuning module 35 after its demodulation, the control end of described digital tuning module 35 connects embedded scm control module 32, from the signal of single chip control module 32 receptions through decoding.With reference to Fig. 3, master control borad 3 in the present embodiment also comprises an infrared module 36, infrared module 36 will be converted to the signal of telecommunication from the infrared signal that an infrared receiving terminal 361 receives, and send in the embedded scm control module 32, finish decoding by embedded scm control module 32.
With reference to Fig. 1, infrared receiving terminal 361 is fixed on the casing 1, is electrically connected with infrared module 36, and it receives the infrared encoded signal from an outside infrared transmitter 4, it is delivered to changing of infrared module 36 correspondences, and send into embedded scm control module 32 and decode.
Power amplifier module 34 receives the audio signal of being sent by digital tuning module 35 through amplitude modulation, and it is amplified by default multiplication factor, and amplifying signal is sent into loudspeaker 2 and play.
With reference to Fig. 3, as improvement, can also between RF receiving demodulation module 33 and digital tuning module 35, increase a companding module 37 to this embodiment, companding module 37 also is connected with embedded scm control module 32, receives control signal; The signal that RF receiving demodulation module 33 is sent according to control signal carries out compand, to realize the reduction to noise in the signal.Signal behind companding and then be sent to digital tuning module 35 and carry out level adjustment.
With reference to Fig. 4, in the utility model, can also comprise the volume adjustment switch 38 and the earphone jack 39 that are arranged on the casing 1, volume is adjusted switch 38 and is connected embedded scm control modules 32.Adjust switch by regulating volume, can produce and control signal to embedded scm control module 32, and make embedded scm control module 32 send a control signal to digital tuning module 35 to regulate Audio Meter.
Earphone jack 39 and described power amplifier module all are connected in the output of digital tuning module, in order to an earphone interface to be provided.
Also be connected on the described casing 1 a BNC antennal interface 331, to connect RF receiving demodulation module 33, in order to obtain through the audio signal of raising frequency to radio frequency.
Also be provided with audio output interface 351 on the described casing 1, it links to each other with the output of described power amplifier module, in order to an external audio interface to be provided.
Casing 1 main body adopts composite plate production, and front panel adopts Shooting Technique production.
Only being preferred embodiment of the present invention in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should belong to technology category of the present invention.
Claims (7)
1. an infrared remote control wireless sound box comprises casing, is fixed in the loudspeaker on the casing, with the wireless sound box master board of being fixed in the casing, be fixed with power module, embedded scm control module, RF receiving demodulation module and power amplifier module on the described wireless sound box master control borad, wherein, power module links to each other with each several part, and power supply is provided; The embedded scm control module is electrically connected with RF receiving demodulation module and power amplifier module, and described RF receiving demodulation module is electrically connected with power amplifier module; It is characterized in that: described wireless sound box master control borad also comprises an infrared module that is electrically connected with the embedded scm control module, the infrared receiving terminal that is connected on the described casing, and described infrared receiving terminal is electrically connected with described infrared module.
2. infrared remote control wireless sound box according to claim 1, it is characterized in that: wireless sound box lives also to comprise a number tone of Chinese characters sound module on the control board, described digital tuning module is electrically connected between described RF receiving demodulation module and the power amplifier module, and described embedded scm control module is electrically connected with the control end of described digital tuning module.
3. infrared remote control wireless sound box according to claim 2, it is characterized in that: can also between RF receiving demodulation module and digital tuning module, increase a companding module, the companding module also is connected with the embedded scm control module, receives control signal; The signal that RF receiving demodulation module is sent according to control signal carries out compand, realizing reduction to noise in the signal, and the signal behind companding and then be sent to digital tuning module and carry out level adjustment.
4. infrared remote control wireless sound box according to claim 3 is characterized in that: can also comprise the volume adjustment switch that is arranged on the casing, volume is adjusted switch and is connected the embedded scm control module.
5. infrared remote control wireless sound box according to claim 4 is characterized in that: also comprise earphone jack, described earphone jack is connected in the output of digital tuning module.
6. infrared remote control wireless sound box according to claim 5 is characterized in that: the BNC antennal interface that also is connected on the described casing, to connect RF receiving demodulation module, in order to obtain through the audio signal of raising frequency to radio frequency.
7. infrared remote control wireless sound box according to claim 6 is characterized in that: also be provided with audio output interface on the described casing, it links to each other with the output of described power amplifier module, in order to an external audio interface to be provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620124009 CN2930178Y (en) | 2006-07-14 | 2006-07-14 | Infrared remote control radio speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620124009 CN2930178Y (en) | 2006-07-14 | 2006-07-14 | Infrared remote control radio speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2930178Y true CN2930178Y (en) | 2007-08-01 |
Family
ID=38308544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620124009 Expired - Fee Related CN2930178Y (en) | 2006-07-14 | 2006-07-14 | Infrared remote control radio speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2930178Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421055A (en) * | 2011-11-09 | 2012-04-18 | 深圳市禹欣鑫电子有限公司 | Wireless digital remote control sound box device |
-
2006
- 2006-07-14 CN CN 200620124009 patent/CN2930178Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421055A (en) * | 2011-11-09 | 2012-04-18 | 深圳市禹欣鑫电子有限公司 | Wireless digital remote control sound box device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Infrared remote control radio speaker Effective date of registration: 20140128 Granted publication date: 20070801 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: SHENZHEN SOYO TECHNOLOGY DEVELOPMENT CO., LTD. Registration number: 2014990000084 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070801 Termination date: 20150714 |
|
| EXPY | Termination of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170823 Granted publication date: 20070801 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: SHENZHEN SOYO TECHNOLOGY DEVELOPMENT CO., LTD. Registration number: 2014990000084 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |