CN2580694Y - Wireless connection device for acoustic equipment - Google Patents
Wireless connection device for acoustic equipment Download PDFInfo
- Publication number
- CN2580694Y CN2580694Y CN02287172.1U CN02287172U CN2580694Y CN 2580694 Y CN2580694 Y CN 2580694Y CN 02287172 U CN02287172 U CN 02287172U CN 2580694 Y CN2580694 Y CN 2580694Y
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- amplifier
- transmitter
- wireless connection
- receiver
- audio
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- 230000007547 defect Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model relates to a wireless connection device for acoustic equipment, which is characterized in that the wireless connection device comprises a transmitter composed of a signal input selector provided with a signal input jack, an FM transmitter, a power supply, an induction inductor and an amplifier, and a receiver composed of an FM receiver, a pre-amplifier, a power amplifier and a receiver power supply, wherein, the power amplifier is provided with an interface connected with a sound box. The device has the advantages of science device, simple structure and reasonable structure. The transmitter of the device can be connected with any sound source devices with audio output ends; the receiver can be directly connected with any ordinary sound boxes. The wireless connection device for acoustic equipment overcomes the defect that the prior art has multiple and complex connection wires, and facilitates the layout and debugging of household acoustic systems.
Description
Technical field
The utility model relates to radio player, especially a kind of sound equipment wireless connection device.
Technical background
At present, home theater or sound system are made up of television set, DTS/AC-3 DVD player, amplifier and sound box system (comprising a center-channel speaker, subwoofer audio amplifier, a preposition left side/right voice box and an a rearmounted left side/right surround speaker) usually.Be connected with lead between each audio amplifier and player, the amplifier, in order to reach best audio, the putting position of each audio amplifier be distributed in usually the room around, therefore, this amplifier that is used for reaches several meters more than usually with the conductor length that is connected between each audio amplifier, and complexity.Its installation and debugging are very inconvenient, all domestic consumers that buy household audio and video system can be tired of brain for laying these connection leads, for not influencing the environment of family, people must just be embedded in lead in the wall when house decoration, will greatly destroy indoor environment otherwise be exposed to outer lead.
Summary of the invention
The purpose of this utility model is the deficiency at above-mentioned existence, a kind of sound equipment wireless connection device is provided, this device is intended to overcome the defective that exists in the above-mentioned prior art, make controlling of audio amplifier not be subjected to connect the restriction of lead, the putting position of audio amplifier can be adjusted arbitrarily by user's needs fully.
The utility model sound equipment wireless connection device is characterized in that: comprise transmitter that is made of the signal input selector that is provided with signal input socket, frequency-modulated transmitter, power supply, inductance inductor and amplifier and the receiver that is made of fremodyne, preamplifier, the power amplifier that is provided with the interface that is connected with audio amplifier, localpower; The signal input selector output of described transmitter is connected with frequency-modulated transmitter, and the output of frequency-modulated transmitter connects power supply, and inductance inductor and amplifier connect the power supply that starts synchronously with audio frequency apparatus; The output of the fremodyne of described receiver is connected with power amplifier with preamplifier respectively, and preamplifier connects power amplifier and localpower respectively, and described power amplifier is provided with the interface that is connected with audio amplifier.
The design principle of the utility model sound equipment wireless connection device is: the transient voltage that the main audio equipment that utilizes the inductance inductor be arranged on power end to sense produces when opening an account, start the power supply of transmitter, power supply begins to signal input selector and frequency-modulated transmitter power supply.By frequency-modulated transmitter be converted to audio signal radiofrequency signal and be emitted to space after obtaining audio signal by the signal input selector that is plugged on the audiogenic device output this moment, and each passage can adopt the radiofrequency signal of different frequency.The fremodyne of receiver is about to it and converts audio signal to after the radiofrequency signal that receives the transmitter emission, and this audio signal transported to power amplifier, by preamplifier audio signal is regulated and preposition amplification after transport to power amplifier, audio signal is amplified and output to audio amplifier by power amplifier, promote the audio amplifier sounding.
The utility model sound equipment wireless connection device design science, simple and reasonable for structure, the transmitter of device can be connected with any audiogenic device that has audio output, and its receiver can directly be connected with any common audio amplifier.This sound equipment wireless connection device has overcome the many and defective of complexity of prior art line, greatly facilitates the layout and the debugging of home audio system.
The concrete structure of the utility model sound equipment wireless connection device is provided in detail by the following drawings and embodiment.
Description of drawings
Fig. 1 is that the sound equipment wireless connection device uses schematic block diagram;
Fig. 2 is the transmitter architecture schematic block diagram of sound equipment wireless connection device shown in Figure 1;
Fig. 3 is the receiver structure schematic block diagram of sound equipment wireless connection device shown in Figure 1;
Fig. 4 is signal input selector, the frequency-modulated transmitter circuit diagram of transmitter shown in Figure 2;
Fig. 5 is power supply, inductance inductor and the amplifier circuit figure of transmitter shown in Figure 2;
Fig. 6 is receiver circuit figure shown in Figure 3.
Embodiment
Embodiment: can be clear that from Fig. 1 the sound equipment wireless connection device is made up of transmitter a and receiver b.Described transmitter a constitutes (see figure 2) by the signal input selector 1 that is provided with signal input socket, frequency-modulated transmitter 4, power supply 2, inductance inductor and amplifier 3; Described receiver B constitutes (see figure 3) by fremodyne 7, preamplifier 8, power amplifier 9 and localpower 10.
Concrete connection between each device of described transmitter a is shown in Fig. 4,5, signal input selector 1 output is connected with frequency-modulated transmitter 4, the input port P0.1 of frequency-modulated transmitter 4, P0.2, P0.3, P3.0 and P3.1 connect the corresponding output port of power supply 2, power supply 2+5V and+the 12V end connects the VCC end of frequency-modulated transmitter 4 respectively; Power supply 2 is connected to inductance inductor and the amplifier 3 that starts synchronously with main audio equipment 6, and the output of power supply 2 is connected with input signal selector 1 with frequency-modulated transmitter 4 respectively.Inductor portion portions with inductance inductor and amplifier 3 during use is placed on the line 5 of main audio equipment 6 and civil power input.
Concrete connection between each device of described receiver b as shown in Figure 6, the output of fremodyne 7 is connected with preamplifier 8, the output of preamplifier 8 is connected with power amplifier 9, output+the 5V of localpower 10, + 12V and-power input+5V of 12V and preamplifier 8 and power amplifier 9, + 12V reaches-the 12V connection, and power amplifier 9 is provided with interface A, the B that is connected with audio amplifier.
The course of work of this sound equipment wireless connection device: be connected on the civil power 5 because the input of the power supply of main audio equipment 6 is an inductance inductor by inductance inductor on this device power supply 2 and amplifier 3, when main audio equipment 6 power initiations, on the inductance inductor of inductance inductor and amplifier 3, produce a kind of transient voltage, this voltage is sent to amplifying signal by the amplifier of inductance inductor and amplifier 3 switching control section of power supply 2, the switching control section of power supply 2 is sensed this transient voltage and is promptly started power supply 2, the transmitter a of device brings into operation, obtain audio signal by the signal input selector 1 that is plugged on main audio equipment 6 outputs this moment, and described signal input selector 1 can be with a kind of the selecting also as back level processing signals in the multiple audio signal.Signal input selector 1 is transported to frequency-modulated transmitter 4 with the audio signal of being obtained, and by frequency-modulated transmitter 4 audio signal is converted to radiofrequency signal and is emitted to the space, and each passage can adopt the radiofrequency signal of different frequency.The fremodyne 7 of receiver b converts thereof into audio signal immediately after the radiofrequency signal that receives transmitter a emission, and this audio signal transported to preamplifier 8, by preamplifier 8 audio signal is regulated and preposition amplification after transport to power amplifier 9, by power amplifier 9 audio signal is amplified the back and output to audio amplifier, promote the audio amplifier sounding by interface A, B.During actual the use, the configurable number of receiver b can be determined according to the configuring condition of audio amplifier.
Claims (1)
1, a kind of sound equipment wireless connection device is characterized in that: comprise transmitter that is made of the signal input selector that is provided with signal input socket, frequency-modulated transmitter, power supply, inductance inductor and amplifier and the receiver that is made of fremodyne, preamplifier, the power amplifier that is provided with the interface that is connected with audio amplifier, localpower; The signal input selector output of described transmitter is connected with frequency-modulated transmitter, and the output of frequency-modulated transmitter connects power supply, and inductance inductor and amplifier connect the power supply that starts synchronously with audio frequency apparatus; The output of the fremodyne of described receiver is connected with power amplifier with preamplifier respectively, and preamplifier connects power amplifier and localpower respectively, and described power amplifier is provided with the interface that is connected with audio amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02287172.1U CN2580694Y (en) | 2002-11-15 | 2002-11-15 | Wireless connection device for acoustic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02287172.1U CN2580694Y (en) | 2002-11-15 | 2002-11-15 | Wireless connection device for acoustic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2580694Y true CN2580694Y (en) | 2003-10-15 |
Family
ID=33747573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02287172.1U Expired - Fee Related CN2580694Y (en) | 2002-11-15 | 2002-11-15 | Wireless connection device for acoustic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2580694Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872754A (en) * | 2016-12-12 | 2018-04-03 | 深圳市蚂蚁雄兵物联技术有限公司 | A kind of multichannel surround-sound system and installation method |
-
2002
- 2002-11-15 CN CN02287172.1U patent/CN2580694Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872754A (en) * | 2016-12-12 | 2018-04-03 | 深圳市蚂蚁雄兵物联技术有限公司 | A kind of multichannel surround-sound system and installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |