CN201623836U - Wireless power supply sound box - Google Patents
Wireless power supply sound box Download PDFInfo
- Publication number
- CN201623836U CN201623836U CN2009200489775U CN200920048977U CN201623836U CN 201623836 U CN201623836 U CN 201623836U CN 2009200489775 U CN2009200489775 U CN 2009200489775U CN 200920048977 U CN200920048977 U CN 200920048977U CN 201623836 U CN201623836 U CN 201623836U
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- wireless power
- circuit
- box
- infrared
- audio frequency
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Abstract
The utility model discloses a wireless power supply sound box. The wireless power supply sound box comprises a sound box body, a transmission box, a receiving box and a rechargeable battery, wherein the transmission box is disposed on a household appliance apparatus; the receiving box and the rechargeable battery are disposed in the sound box body; a wireless power transmission module and an IR audio transmission module are arranged in the transmission box; and a wireless power receiving module and an IR audio receiving module are arranged in the receiving box. The wireless power supply sound box can achieve the wireless power supply and wireless transmission, and the sound box can move freely to obviate the puzzles to the users due to the complex wire transmission circuit, thereby providing convenience. The wireless power supply sound box is provided with a special charger for easily and conveniently charging the rechargeable battery, thereby obviating the frequent replacement of the battery, improving the work efficiency and lowering the cost. In addition, the circuit of the wireless power supply sound box has low power, and is a closed magnetic circuit, which can greatly reduce the electromagnetic radiation leakage. Accordingly, the wireless power supply sound box is safe to use.
Description
Technical field
The utility model relates to a kind of audio amplifier, more particularly relates to a kind of audio amplifier of wireless power, belongs to the power devices technical field.
Background technology
Along with growth in the living standard, almost all there are electrical equipment such as television set, power amplifier, DVD in the every household, yet let us headache is exactly circuit connectivity problem between television set, power amplifier, DVD etc. and the audio amplifier, it all is to realize by long but also complicated connecting line not only that traditional circuit connects, this just make audio amplifier installation, debugging and move and brought very large trouble, the user is sometimes for hidden these connecting lines, can on body of wall, punch, be the power that consumes again consuming time like this, brought great inconvenience to the user.
The utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of radio play that realizes, but and the wireless power audio amplifier of wireless charging.
The utility model is achieved through the following technical solutions:
A kind of wireless power audio amplifier comprises the audio amplifier body, it is characterized in that also comprising launch-box, receiving box and rechargeable battery, and wherein launch-box is arranged on the home appliance, and receiving box and rechargeable battery then are arranged in the audio amplifier body, wherein,
The inside of launch-box is provided with wireless power transmission transmitter module and infrared audio frequency transmitter module, the port and the civil power of wireless power transmission transmitter module join, its other end is the oscillating circuit for being made of coil and capacitor then, constitute transmitting terminal, the audio jack of infrared audio frequency transmitter module then is inserted on the audio frequency accessory power outlet on the home appliance;
The inside of receiving box is provided with radio energy receiver module and infrared audio frequency receiver module, the output of radio energy receiver module is connected with the both positive and negative polarity of rechargeable battery, input is the oscillating circuit for being made of coil and capacitor then, and an end of infrared audio frequency receiver module is connected with rechargeable battery, and the other end then is used to drive the loud speaker sounding on the audio amplifier body.
Above-mentioned launch-box can be arranged on the both sides of the edge of home appliance, and its inner coil is provided with outwardly, and is corresponding mutually with coil in the receiving box.
Be provided with in the above-mentioned wireless power transmission transmitter module to be provided with in infrared audio frequency radiating circuit, the radio energy receiver module in wireless power transmission radiating circuit, the infrared audio frequency transmitter module and be provided with the radio energy receiving circuit, and be provided with infrared audio frequency receiving circuit in the infrared audio frequency receiver module, and described infrared audio frequency radiating circuit comprises amplitude modulation circuit and infrared emission circuit; Described infrared audio frequency receiving circuit comprises infrared receiving circuit, voltage amplifier circuit, integrated circuit, audio power amplifier circuit and automatic level control circuit.
The beneficial effects of the utility model are: the utility model has been realized wireless power and wireless transmission, make audio amplifier arbitrarily to move, avoided because the intricate puzzlement that causes to the user of circuit of wire transmission, make life become convenient, in addition, the utility model need not to be equipped with special-purpose charging electrical equipment, also do not need frequently to change battery, charging modes is simple, convenient, improved operating efficiency, reduced cost simultaneously, in addition, because the circuit power that the utility model adopts is low, and be enclosed closed magnetic circuit, greatly reduced the leakage of electromagnetic radiation, the user can relievedly use.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the circuit diagram of wireless power transmission radiating circuit described in the utility model;
Fig. 3 is the circuit diagram of radio energy receiving circuit described in the utility model;
Fig. 4 is the circuit diagram of infrared audio frequency radiating circuit described in the utility model;
Fig. 5 is the circuit diagram of infrared audio frequency receiving circuit described in the utility model.
Main Reference numeral implication is among the figure:
1, launch-box 11, wireless power transmission transmitter module 12, infrared audio frequency transmitter module
2, receiving box 21, radio energy connection module 22, infrared audio frequency receiver module
3, rechargeable battery
Embodiment
Below in conjunction with accompanying drawing, describe embodiment of the present utility model in detail:
Fig. 1 is the structural representation of the utility model one embodiment.
As shown in Figure 1: the wireless power audio amplifier, comprise the audio amplifier body, launch-box 1, receiving box 2 and rechargeable battery 3, wherein launch-box 1 is arranged on the home appliance, receiving box 2 and rechargeable battery 3 then are arranged in the audio amplifier body, wherein, the inside of launch-box 1 is provided with wireless power transmission transmitter module 11 and infrared audio frequency transmitter module 12, the port and the civil power of wireless power transmission transmitter module 11 join, its other end is the oscillating circuit for being made of coil and capacitor then, constitute transmitting terminal, the audio jack of infrared audio frequency transmitter module 12 then is inserted on the audio frequency accessory power outlet on the home appliance, in addition, the inside of receiving box 2 is provided with radio energy receiver module 21 and infrared audio frequency receiver module 22, and the output of radio energy receiver module 21 is connected with the both positive and negative polarity of rechargeable battery 3, and input is the oscillating circuit for being made of coil and capacitor then, and an end of infrared audio frequency receiver module 22 is connected with rechargeable battery 3, and the other end then is used to drive the loud speaker sounding on the audio amplifier body.
Above-mentioned launch-box 1 can be arranged on the both sides of the edge of home appliance, and its inner coil is provided with outwardly, and is corresponding mutually with coil in the receiving box 2.
Be provided with in the wireless power transmission transmitter module 11 to be provided with in infrared audio frequency radiating circuit, the radio energy receiver module 21 in wireless power transmission radiating circuit, the infrared audio frequency transmitter module 12 and be provided with the radio energy receiving circuit, and be provided with infrared audio frequency receiving circuit in the infrared audio frequency receiver module 22
Fig. 2 is the circuit diagram of wireless power transmission radiating circuit described in the utility model; Fig. 3 is the circuit diagram of radio energy receiving circuit described in the utility model.
As shown in Figures 2 and 3:
Obtain the 15V alternating voltage after the civil power process transformer transformation, carry out obtaining the alternating voltage that voltage is about 21V behind the rectifying and wave-filtering, as main supply power voltage, utilize crystal module LM317 that 21V voltage is carried out obtaining 5V voltage after the voltage stabilizing then, the frequency that the wireless power transmission radiating circuit carries out the electromagnetic field of power transfer is 1MHZ, active crystal oscillator module by a 1MHZ produces, above-mentioned crystal module LM317 is its power supply, can reach 4.8Vpp from the 1MHZ signal voltage of crystal oscillator module output, can be used for directly promoting power field effect pipe IRF630 and carry out the resonance amplification, inductance L 1 is 1MHZ with the resonance frequency of capacitor C 1, because circuit resonance, so the no-load current of wireless power transmission radiating circuit is very little when receiving coil keeps clear of transmitting coil or receiving coil zero load.
The radio energy receiving circuit also adopts the resonance receive mode, make the efficiency of transmission of received energy reach the highest, it carries out after the rectification after filtration by the alternating current that will receive with Schottky diode, and ripple obtains direct current, supplying with rechargeable battery 3 then charges to it, rechargeable battery 3 then is used for driving infrared audio frequency and receives circuit working, thereby the loud speaker that drives on the audio amplifier body is sounded.Because circuit power described in the utility model is little, transmission range is near, therefore can not damage human body, the user can safe relieved use.
Fig. 4 is the circuit diagram of infrared audio frequency radiating circuit described in the utility model; Fig. 5 is the circuit diagram of infrared audio frequency receiving circuit described in the utility model.
As shown in Figure 4: described infrared audio frequency radiating circuit comprises the amplitude modulation circuit of transistor 9013 formations and the infrared emission circuit that infraluminescence pipe R17-R19 constitutes; The port of infrared audio frequency transmitter module is inserted in earphone jack on home appliance such as television set or the DVD, after the amplitude modulation circuit amplification through 9013 formations of the transistor in the infrared audio frequency radiating circuit, three infrarede emitting diode R17-R19 are outwards launched by the infrared light after the audio signal amplitude modulation.
As shown in Figure 5: infrared audio frequency receiving circuit comprises the infrared receiving circuit of infrared photodiode VD1-VD4 formation, voltage amplifier circuit and integrated circuit, the audio power amplifier circuit of LM386 formation and the automatic level control circuit (alc circuit) that transistor Q8 constitutes that transistor Q7 constitutes, above-mentioned amplitude modulation infrared light is by 4 photodiodes receptions and change the signal of telecommunication into, through the VT2 voltage amplification, after the IC power amplification, drive the audio amplifier sounding.
Below disclose the utility model with preferred embodiment, so it is not in order to restriction the utility model, and all employings are equal to replaces or technical scheme that the equivalent transformation mode is obtained, all drops within the protection range of the present utility model.
Claims (5)
1. a wireless power audio amplifier comprises the audio amplifier body, it is characterized in that also comprising launch-box, receiving box and rechargeable battery, and wherein launch-box is arranged on the home appliance, and receiving box and rechargeable battery then are arranged in the audio amplifier body, wherein,
The inside of launch-box is provided with wireless power transmission transmitter module and infrared audio frequency transmitter module, the port and the civil power of wireless power transmission transmitter module join, its other end is the oscillating circuit for being made of coil and capacitor then, constitute transmitting terminal, the audio jack of infrared audio frequency transmitter module then is inserted on the audio frequency accessory power outlet on the home appliance;
The inside of receiving box is provided with radio energy receiver module and infrared audio frequency receiver module, the output of radio energy receiver module is connected with the both positive and negative polarity of rechargeable battery, input is the oscillating circuit for being made of coil and capacitor then, and an end of infrared audio frequency receiver module is connected with rechargeable battery, and the other end then is used to drive the loud speaker sounding on the audio amplifier body.
2. wireless power audio amplifier according to claim 1 is characterized in that: described launch-box is arranged on the both sides of the edge of home appliance, and its inner coil is provided with outwardly, and is corresponding mutually with coil in the receiving box.
3. wireless power audio amplifier according to claim 1, it is characterized in that: be provided with in the described wireless power transmission transmitter module to be provided with in infrared audio frequency radiating circuit, the radio energy receiver module in wireless power transmission radiating circuit, the infrared audio frequency transmitter module and be provided with the radio energy receiving circuit, and be provided with infrared audio frequency receiving circuit in the infrared audio frequency receiver module.
4. wireless power audio amplifier according to claim 3 is characterized in that: described infrared audio frequency radiating circuit comprises amplitude modulation circuit and infrared emission circuit.
5. wireless power audio amplifier according to claim 3 is characterized in that: described infrared audio frequency receiving circuit comprises infrared receiving circuit, voltage amplifier circuit, integrated circuit, audio power amplifier circuit and automatic level control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200489775U CN201623836U (en) | 2009-10-30 | 2009-10-30 | Wireless power supply sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200489775U CN201623836U (en) | 2009-10-30 | 2009-10-30 | Wireless power supply sound box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201623836U true CN201623836U (en) | 2010-11-03 |
Family
ID=43027289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200489775U Expired - Fee Related CN201623836U (en) | 2009-10-30 | 2009-10-30 | Wireless power supply sound box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201623836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104544853A (en) * | 2015-01-26 | 2015-04-29 | 河北循证医药科技股份有限公司 | Self-charged general medical diagnosis and treatment integrated box |
-
2009
- 2009-10-30 CN CN2009200489775U patent/CN201623836U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104544853A (en) * | 2015-01-26 | 2015-04-29 | 河北循证医药科技股份有限公司 | Self-charged general medical diagnosis and treatment integrated box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20111030 |