CN201657316U - External wireless transmitting and receiving device of sound installation - Google Patents
External wireless transmitting and receiving device of sound installation Download PDFInfo
- Publication number
- CN201657316U CN201657316U CN2010201710170U CN201020171017U CN201657316U CN 201657316 U CN201657316 U CN 201657316U CN 2010201710170 U CN2010201710170 U CN 2010201710170U CN 201020171017 U CN201020171017 U CN 201020171017U CN 201657316 U CN201657316 U CN 201657316U
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- wireless
- audio amplifier
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- audio
- receiver
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Abstract
The utility model relates to the technical field of wireless devices, in particular to an external wireless transmitting and receiving device of a sound installation, which comprises an RF wireless transmitter and an RF wireless receiver, wherein the RF wireless transmitter is matched with the RF wireless receiver via a wireless form. The RF wireless transmitter is an external transmitter, the RF wireless receiver is an external receiver, the RF wireless receiver is provided with an audio output interface matching with an audio input interface of the sound installation, and the RF wireless receiver is further provided with a power source device providing work power for the RF wireless receiver. The external wireless transmitting and receiving device of a sound installation has stronger universality and can be applied to various sound installations conveniently.
Description
Technical field:
The utility model relates to the wireless device technical field, relates in particular to the external wireless sending and receiving apparatus of audio amplifier.
Background technology:
Along with science and technology development, wireless communication technique has been widely used in people's the life, and for example RF radio-frequency technique, radio network technique, wireless monitoring technology etc. all play an important role in each sphere of life.Existing technology has been used in the equipment of wireless communication technique, and wireless launcher and wireless receiver are extremely important parts, during work, wireless launcher transmits by wireless, after wireless receiver receives this signal, realizes relevant feature operation by equipment.
At present, the RF radio-frequency technique has been applied to improve the serviceability of audio amplifier greatly in the speaker products gradually.The patent No. discloses a kind of chargeable 2.4G wireless sound box device for the Chinese utility model patent of " ZL 200820176467.1 ", it comprises 2.4GHz radio transmitter, 2.4GHz wireless receiving circuit, sounding circuit and audio amplifier, 2.4GHz radio transmitter is connected with the 2.4GHz wireless receiving circuit by wireless, the 2.4GHz wireless receiving circuit is built in the audio amplifier.Above-mentioned audio amplifier comprises the wireless transmitting and receiving device of being made up of wireless launcher and wireless receiver, and wherein wireless launcher is built in the audio amplifier.Adopt the versatility of the wireless transmitting and receiving device of this pattern to be very restricted, be difficult to be applied in other audio amplifier, be difficult to especially be applied to and originally do not use in the audio amplifier of RF radio-frequency technique.
The utility model content:
The purpose of this utility model is at the deficiencies in the prior art, and a kind of external wireless sending and receiving apparatus of audio amplifier is provided, and it has stronger versatility, conveniently is applied to various audio amplifiers.
For achieving the above object, the utility model is achieved through the following technical solutions: the external wireless sending and receiving apparatus of audio amplifier, it includes RF wireless launcher and the RF wireless receiver that connects with the wireless mode coupling, described RF wireless launcher is the external reflector, the RF wireless receiver is the external receiver, the RF wireless receiver is provided with the audio output interface with the audio input interface of audio amplifier coupling, and the RF wireless receiver also is provided with the supply unit that promising RF wireless receiver provides working power.
Described supply unit is a circumscribed power supply input unit.
Described circumscribed power supply input unit is a power input interface.
Described circumscribed power supply input unit is a DC electric power connecting line.
Described RF wireless receiver is provided with relay indicating light.
Described RF wireless launcher is built-in with secondary lithium battery, and the RF wireless launcher is provided with the charging inlet that is used for to the secondary lithium battery charging.
Described RF wireless launcher is provided with the SD card.
Described RF wireless launcher is provided with the reflector audio input interface.
Described RF wireless launcher is provided with function button.
Described RF wireless launcher and RF wireless receiver are provided with frequency and switch and mains switch.
The utility model beneficial effect is: the external wireless sending and receiving apparatus of audio amplifier described in the utility model, its RF wireless launcher is the external reflector, the RF wireless receiver is the external receiver, the RF wireless receiver is provided with the audio output interface with the audio input interface of audio amplifier coupling, and the RF wireless receiver also is provided with the supply unit that promising RF wireless receiver provides working power; Adopt the wireless transmitting and receiving device of above-mentioned pattern, RF wireless launcher and RF wireless receiver are external, the supply unit of RF wireless receiver can be from the structure of charged pool or direct structure from the audio amplifier power taking, the audio input interface that the exportable audio signal of the audio output interface of RF wireless receiver carries to audio amplifier.During work, use conventional audio signal wire to connect the audio output interface of RF wireless receiver and the audio input interface that audio amplifier carries, RF wireless launcher emission wireless audio signal, the RF wireless receiver receives this wireless audio signal, wireless audio signal through the audio input interface that audio signal wire input audio amplifier carries, plays out corresponding audio frequency by audio amplifier by audio output interface at last.Because audio amplifier all carries audio input interface in the prior art, only need that the RF wireless receiver is connected to audio amplifier and can realize playing function, therefore, this external wireless sending and receiving apparatus can be applicable to various audio amplifiers, it has stronger versatility, conveniently is applied to various audio amplifiers.
Description of drawings:
Fig. 1 is the perspective view of the utility model RF wireless launcher;
Fig. 2 is another visual angle perspective view of the utility model RF wireless launcher;
Fig. 3 is the perspective view of the utility model RF wireless receiver;
Fig. 4 is another visual angle perspective view of the utility model RF wireless receiver.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figures 1 to 4, the external wireless sending and receiving apparatus of audio amplifier, it includes RF wireless launcher 1 and the RF wireless receiver 2 that connects with the wireless mode coupling, described RF wireless launcher 1 is the external reflector, RF wireless receiver 2 is the external receiver, RF wireless receiver 2 is provided with the audio output interface 20 with the audio input interface of audio amplifier coupling, and RF wireless receiver 2 also is provided with the supply unit that promising RF wireless receiver 2 provides working power.Adopt the wireless transmitting and receiving device of above-mentioned pattern, RF wireless launcher 1 and RF wireless receiver 2 are external, the audio input interface that audio output interface 20 exportable audio signal to the audio amplifiers of RF wireless receiver 2 carry.During work, use conventional audio signal wire to connect the audio output interface 20 of RF wireless receiver 2 and the audio input interface that audio amplifier carries, RF wireless launcher 1 emission wireless audio signal, RF wireless receiver 2 receives this wireless audio signal, wireless audio signal through the audio input interface that audio signal wire input audio amplifier carries, plays out corresponding audio frequency by audio amplifier by audio output interface 20 at last.Because audio amplifier all carries audio input interface in the prior art, only need that RF wireless receiver 2 is connected to audio amplifier and can realize playing function, therefore, this external wireless sending and receiving apparatus can be applicable to various audio amplifiers, it has stronger versatility, conveniently is applied to various audio amplifiers.
Wherein, the external wireless sending and receiving apparatus of audio amplifier described in the utility model, the supply unit of its RF wireless receiver 2 can be the power supply architecture from charged pool, also can be direct circumscribed power supply input device structure from the audio amplifier power taking.Circumscribed power supply input unit is meant and connects outside and provide the device of working power by the outside, is meant in the present embodiment to connect audio amplifier and directly from the audio amplifier power taking; As one of preferred implementation, circumscribed power supply input unit is a power input interface 21, and power input interface 21 power available lines connect the DC power supply interface that audio amplifier carries, and directly supplies RF wireless receiver 2 work usefulness from the audio amplifier power taking, improves ease of use.As another preferred implementation, circumscribed power supply input unit is a DC electric power connecting line, DC electric power connecting line one end is connected in the internal circuit board of RF wireless receiver 2, use the DC electric power connecting line other end (being plug end) to connect the DC power supply interface that audio amplifier carries, directly supply RF wireless receiver 2 work usefulness, play the effect that improves ease of use equally from the audio amplifier power taking.
As preferred implementation, described RF wireless receiver 2 is provided with relay indicating light 22, and when the 2 energising work of RF wireless receiver, relay indicating light 22 lights, and plays the effect that prompting RF wireless receiver 2 is in normal operating conditions.
As preferred implementation, the external wireless sending and receiving apparatus of audio amplifier described in the utility model, its RF wireless launcher 1 is built-in with secondary lithium battery, and RF wireless launcher 1 is provided with the charging inlet 12 that is used for to the secondary lithium battery charging.Secondary lithium battery provides working power for RF wireless launcher 1; In the present embodiment, adopt the charging inlet 12 of DC 5V, when using charging inlet 12,, also provide working power for RF wireless launcher 1 simultaneously except to the secondary lithium battery charging.
As preferred implementation, described RF wireless launcher 1 is provided with SD card 13, and behind the insertion SD card, RF wireless launcher 1 can be launched the voice data of SD card with the wireless audio signal form, make audio amplifier can play the voice data of SD card.
As another preferred implementation, described RF wireless launcher 1 is provided with reflector audio input interface 10, reflector audio input interface 10 can connect ancillary equipment such as computer etc., after connecting ancillary equipment, RF wireless launcher 1 can be launched the voice data of ancillary equipment with the wireless audio signal form, make audio amplifier can play the voice data of ancillary equipment.
As another preferred implementation, described RF wireless launcher 1 can be provided with SD card 13 and reflector audio input interface 10 simultaneously, and more alternative audio data sources are provided, and enriches the function of use of audio amplifier.
As preferred implementation, described RF wireless launcher 1 is provided with function button 11, function button 11 comprises time-out, broadcast, last head (long be volume down on time), next operation push-buttons such as (length add for volume on time), makes things convenient for direct control RF wireless launcher 1 to control the play mode of audio amplifier.
As preferred implementation, described RF wireless launcher 1 and RF wireless receiver 2 are provided with frequency and switch and mains switch 3.Frequency is switched and mains switch 3 is provided with three gears, and first gear is the OFF shelves, closes working power when being transferred to this grade; Second and the 3rd gear are two operating frequency section gears, also are the ON shelves simultaneously, and the conducting working power is selected operating frequency simultaneously when promptly being transferred to this grade.RF wireless launcher 1 can be provided with the multistage tranmitting frequency, RF wireless receiver 2 is provided with the corresponding receive frequency of multistage, by the tranmitting frequency and the RF wireless receiver 2 corresponding receive frequencies of frequency of operation switching and mains switch 3 selection RF wireless launchers 1, the phase mutual interference between the external wireless sending and receiving apparatus of the audio amplifier described in the utility model of cover more than avoiding.The external wireless sending and receiving apparatus of audio amplifier described in the utility model, can also adopt the mode of a plurality of RF wireless receivers 2 of a RF wireless launcher 1 coupling, play the one-to-many mode of operation of identical voice data when realizing a plurality of audio amplifier, have stronger practicality.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (10)
1. the external wireless sending and receiving apparatus of audio amplifier, it includes RF wireless launcher (1) and the RF wireless receiver (2) that connects with the wireless mode coupling, it is characterized in that: described RF wireless launcher (1) is the external reflector, RF wireless receiver (2) is the external receiver, RF wireless receiver (2) is provided with the audio output interface (20) with the audio input interface of audio amplifier coupling, and RF wireless receiver (2) also is provided with the supply unit that promising RF wireless receiver (2) provides working power.
2. the external wireless sending and receiving apparatus of audio amplifier according to claim 1, it is characterized in that: described supply unit is a circumscribed power supply input unit.
3. the external wireless sending and receiving apparatus of audio amplifier according to claim 2, it is characterized in that: described circumscribed power supply input unit is power input interface (21).
4. the external wireless sending and receiving apparatus of audio amplifier according to claim 2, it is characterized in that: described circumscribed power supply input unit is a DC electric power connecting line.
5. the external wireless sending and receiving apparatus of audio amplifier according to claim 1, it is characterized in that: described RF wireless receiver (2) is provided with relay indicating light (22).
6. the external wireless sending and receiving apparatus of audio amplifier according to claim 1, it is characterized in that: described RF wireless launcher (1) is built-in with secondary lithium battery, and RF wireless launcher (1) is provided with the charging inlet (12) that is used for to the secondary lithium battery charging.
7. the external wireless sending and receiving apparatus of audio amplifier according to claim 1, it is characterized in that: described RF wireless launcher (1) is provided with SD card (13).
8. the external wireless sending and receiving apparatus of audio amplifier according to claim 1, it is characterized in that: described RF wireless launcher (1) is provided with reflector audio input interface (10).
9. the external wireless sending and receiving apparatus of audio amplifier according to claim 1, it is characterized in that: described RF wireless launcher (1) is provided with function button (11).
10. according to the external wireless sending and receiving apparatus of each described audio amplifier of claim 1 to 9, it is characterized in that: described RF wireless launcher (1) and RF wireless receiver (2) are provided with frequency and switch and mains switch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201710170U CN201657316U (en) | 2010-04-20 | 2010-04-20 | External wireless transmitting and receiving device of sound installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201710170U CN201657316U (en) | 2010-04-20 | 2010-04-20 | External wireless transmitting and receiving device of sound installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201657316U true CN201657316U (en) | 2010-11-24 |
Family
ID=43122545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201710170U Expired - Fee Related CN201657316U (en) | 2010-04-20 | 2010-04-20 | External wireless transmitting and receiving device of sound installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201657316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517179A (en) * | 2012-06-29 | 2014-01-15 | 太仓南极风能源设备有限公司 | Wireless loudspeaker box |
-
2010
- 2010-04-20 CN CN2010201710170U patent/CN201657316U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517179A (en) * | 2012-06-29 | 2014-01-15 | 太仓南极风能源设备有限公司 | Wireless loudspeaker box |
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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: External wireless transmitting and receiving device of sound installation Effective date of registration: 20130509 Granted publication date: 20101124 Pledgee: Dongguan Rural Commercial Bank branch's Limited by Share Ltd Pledgor: Dongguan Earson Audio Technology Co., Ltd. Registration number: 2013440000005 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20101124 Termination date: 20160420 |