CN201616905U - Solar environmental-protection active speaker - Google Patents
Solar environmental-protection active speaker Download PDFInfo
- Publication number
- CN201616905U CN201616905U CN 201020181215 CN201020181215U CN201616905U CN 201616905 U CN201616905 U CN 201616905U CN 201020181215 CN201020181215 CN 201020181215 CN 201020181215 U CN201020181215 U CN 201020181215U CN 201616905 U CN201616905 U CN 201616905U
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- solar
- rechargeable battery
- audio amplifier
- power
- environmental
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- Expired - Fee Related
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Abstract
The utility model relates to the improvement of a power-supply device structure of a solar environmental-protection active speaker belonging to technical field of basic electrical component, which aims at canceling commercial electricity to use solar power supply. The solar environmental-protection active speaker comprises a universal speaker, a power amplifier circuit board, an audio input interface, a capacitor, a partial-voltage resistance and a power indicator lamp. The characteristics are as follows: a solar silicon sheet plate is arranged outside the shell; one end of the silicon sheet plate is connected with a diode in serial to be connected with the positive pole of a rechargeable battery, and the other end is electrically connected with the negative pole of the rechargeable battery. In this way, the power supply type is changed and the commercial electricity is saved, natural resources are fully utilized; the solar environmental-protection active speaker belongs to low-carbon and environmental-protecting product, eliminates wire restriction, can be carried outdoor to be used, and is convenient to use.
Description
One, technical field
The utility model relates to a kind of audio amplifier equipment, particularly a kind of active audio amplifier device of audio frequency output being provided for miniature portable equipment such as mp3, mp4, notebook computer.Belong to the essential electronic element technical field.
Two, background technology
Present active audio amplifier is commonly used in computer and the wired broadcasting, as long as system gives its voice signal, just can make it sound.But its tonequality will be subjected to the restriction in sound signal source, power supply place, particularly be unable to do without the power supply that exchanges 220v, make it not ideal enough aspect convenience, in addition in the use, owing to do not close for a long time the power supply of active audio amplifier, cause the long-term energising of electronic component and wear out, not only consumed power but also form defective such as fault easily, cost performance of product is reduced, also disagree with the low-carbon environment-friendly theory of present society.
Three, summary of the invention
The purpose of this utility model is that a kind of solar environment friendly active audio amplifier by the non-transformer line solar powered, that convenience is dexterous will be provided.
The technical solution of the utility model is as follows:
A kind of solar environment friendly active audio amplifier, comprise housing, its side is provided with loudspeaker, the housing inner chamber is provided with the power amplifier circuit plate, this circuit board is electrically connected loudspeaker respectively with the housing side, audio input interface, simultaneously, have again on the power amplifier circuit plate two wires respectively with rechargeable battery just, negative electricity connects, wherein be connected to mains switch on the line, between the described two wires before connecing battery, again and a di-branch, one of them branch's parallel connection be electric capacity, another branch's parallel connection be through the series connection light-emitting diode and divider resistance, it is characterized in that the hull outside face is provided with the solar silicon wafers plate, be connected with the rechargeable battery positive electrical after this silicon chip one end and the rectifier diode serial connection, the other end is connected with the rechargeable battery negative electricity again.
Technological merit of the present utility model is as follows:
Power supply absorbs luminous energy by the solar silicon wafers plate and is transformed, thereby saved the structure of transformer step-down rectifier in ac power supply and the casing, advantage with power saving environment-friendly high-efficiency, on the other hand, need not to link to each other with alternating current, thereby can carry anywhere, satisfy client's new demand, be very easy to the user.
Four, description of drawings
Fig. 1 is the utility model example structure schematic diagram.
Fig. 2 is the utility model internal structure schematic diagram.
Fig. 3 is one of the utility model circuit catenation principle figure.
Fig. 4 is two of the utility model circuit catenation principle figure.
Symbol description is as follows among the figure:
1, voice box casing 2, solar silicon wafers plate 3, loudspeaker 4, power supply indicator 5, mains switch 6, audio input interface A end 7, audio input interface B end 8, power output interface 9, power amplifier circuit plate 10, rechargeable battery 11, divider resistance 12, capacitor 13, rectifier diode 14, protection diode 15, riser 16, handle
Five, specific embodiments
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the utility model solar environment friendly audio amplifier, voice box casing (1) is a common hexahedron structure, wherein a side is provided with four blocks of solar silicon wafers plates (2), to absorb sunlight and change into electric energy, one or both sides are equipped with loudspeaker (3) and are covered yarn, mains switch (5) audio input interface (6,7), power supply indicator (4) and power output interface (8) are installed in the housing top, and handle (16) is installed simultaneously, are easy to carry.Voice box casing is arranged to a big audio amplifier chamber or is separated into two little audio amplifier chambers, be provided with a riser (15) in the centre, the case indoor separation, promptly form two audio amplifier spaces, this moment, two sides were respectively installed loudspeaker respectively, four strutting pieces are installed below voice box casing, stable to guarantee the support power of audio amplifier when the user mode.
Fig. 2 is the internal structure schematic diagram with two audio amplifiers, two little audio amplifier chambers about it divides, the centre has riser (15) to separate, put a power amplifier circuit plate (9) in built in sound box, it is electrically connected with two loudspeaker (3), mains switch (5), audio input interface (6,7) respectively, and circuit board (9) also is electrically connected with rechargeable battery (10).
Fig. 3 is one of this novel practical circuit catenation principle figure, on the left side of figure is four blocks of solar silicon wafers plates (2) in parallel, every silicon chip plate one end connects a diode (14) respectively, with the diode (13) of connecting again after their parallel connections, be connected with rechargeable battery (10) positive electrical again, the other end after the parallel connection of four blocks of silicon chip plates is connected with the rechargeable battery negative electricity, rechargeable battery (10) both positive and negative polarity is respectively drawn a line, wherein electrode line is connected with commercially available integrated package TDA2822 power amplifier circuit plate positive electrical by mains switch (5), and the direct and commercially available integrated package TDA2822 power amplifier circuit plate negative electricity of negative line is connected.Between the described both positive and negative polarity and a di-branch, one of them branch's parallel connection is electric capacity (12), another branch's parallel connection be light-emitting diode (4) and divider resistance (11) through connecting.This circuit board (9) is electrically connected loudspeaker (3) and audio input interface (6,7) again respectively, power amplifier circuit plate (9) is gone back electricity and is connect a power output interface (8) in addition, use for like this small electric apparatus such as small desk lamp, little electric fan, cell-phone charging, satisfy user's multiple demand.Unique difference of Fig. 4 and Fig. 3 is that solar silicon wafers plate (2) has only one, and is connected with rechargeable battery (10) positive electrical with diode (13) serial connection back, and the silicon chip plate other end is connected with the rechargeable battery negative pole.
Claims (4)
1. solar environment friendly active audio amplifier, comprise housing (1), its side is provided with loudspeaker (3), the housing inner chamber is provided with power amplifier circuit plate (9), this power amplifier circuit plate is electrically connected loudspeaker (3) and audio input interface (6 respectively with the housing side, 7), simultaneously, have again on the power amplifier circuit plate two wires respectively with rechargeable battery (10) just, negative electricity connects, wherein be connected to mains switch (5) on the line, between the described two wires before connecing battery, again and a di-branch, one of them branch's parallel connection be electric capacity, another branch's parallel connection be light-emitting diode (13) and divider resistance (11) through series connection, it is characterized in that the hull outside face is provided with solar silicon wafers plate (2), these silicon chip plate (2) one ends are connected with rechargeable battery (10) positive electrical with rectifier diode (13) series connection back, and the other end is connected with the rechargeable battery negative electricity.
2. by the described solar environment friendly active audio amplifier of claim 1; it is characterized in that hull outside is provided with four blocks of solar silicon wafers plates (2); these silicon chip plate (2) one ends with the protection diode (14) series connection after be connected with rechargeable battery (10) positive electrical through rectifier diode (13) again, the other end is connected with the rechargeable battery negative electricity.
3. by the described solar environment friendly active audio amplifier of claim 1, it is characterized in that being provided with in the housing audio amplifier chamber or two audio amplifier chambers, establish a riser (15) in when being provided with two audio amplifier chambers.
4. by the described solar environment friendly active audio amplifier of claim 1, it is characterized in that power amplifier circuit plate (9) goes back electricity and connect a power output interface (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020181215 CN201616905U (en) | 2010-04-16 | 2010-04-16 | Solar environmental-protection active speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020181215 CN201616905U (en) | 2010-04-16 | 2010-04-16 | Solar environmental-protection active speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201616905U true CN201616905U (en) | 2010-10-27 |
Family
ID=43003266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020181215 Expired - Fee Related CN201616905U (en) | 2010-04-16 | 2010-04-16 | Solar environmental-protection active speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201616905U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105187978A (en) * | 2015-08-04 | 2015-12-23 | 黑龙江真美广播通讯器材有限公司 | Outdoor portable solar illumination soundbox |
| CN105554619A (en) * | 2015-12-18 | 2016-05-04 | 北京联科中诺科技有限公司 | Solar energy charging speaker |
| CN105578341A (en) * | 2016-02-01 | 2016-05-11 | 广州市科园龙电器有限公司 | Hand pull type multifunctional audio |
-
2010
- 2010-04-16 CN CN 201020181215 patent/CN201616905U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105187978A (en) * | 2015-08-04 | 2015-12-23 | 黑龙江真美广播通讯器材有限公司 | Outdoor portable solar illumination soundbox |
| CN105554619A (en) * | 2015-12-18 | 2016-05-04 | 北京联科中诺科技有限公司 | Solar energy charging speaker |
| CN105578341A (en) * | 2016-02-01 | 2016-05-11 | 广州市科园龙电器有限公司 | Hand pull type multifunctional audio |
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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: 20101027 Termination date: 20110416 |