CN201657269U - Electric energy boosting device of light emitting diodes driven by audio signals - Google Patents
Electric energy boosting device of light emitting diodes driven by audio signals Download PDFInfo
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- CN201657269U CN201657269U CN2009202187996U CN200920218799U CN201657269U CN 201657269 U CN201657269 U CN 201657269U CN 2009202187996 U CN2009202187996 U CN 2009202187996U CN 200920218799 U CN200920218799 U CN 200920218799U CN 201657269 U CN201657269 U CN 201657269U
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Abstract
The utility model provides an electric energy boosting device of light emitting diodes driven by audio signals, which comprises a loudspeaker connected to an audio signal output end of an audio product. The audio signal output end is connected with a passive amplifier, the passive amplifier is connected with at least one light emitting diode, the audio signal output end can provide an audio signal to drive the loudspeaker to make a sound, the passive amplifier amplifies the audio signal to drive the light emitting diode to emit light, and when the audio signal fluctuates along with music or voice rhythm, current flowing through the light emitting diode can be changed so as to lead the light emitting diode to have flashing and brightness changing effects along with change of the music or voice rhythm.
Description
Technical field
The utility model provides a kind of electric energy push lifting device of audio-signal-driven light-emitting diode, about a kind of loud speaker that disposes light-emitting diode, particularly utilizes the passive type amplifier of the described lumination of light emitting diode of audio-signal-driven of audio product.
Background technology
Existing audio product, include VCD, DVD projector, broadcast receiver, walkman, MP3, MP4, MP5, mobile phone, computer and electronic game etc., the audio signal output end that mostly has an exportable audio signal, in order to connect a loud speaker (being commonly called as loudspeaker), cause described loud speaker to accept described audio-signal-driven and sound.The application of described loud speaker includes Music centre loudspeaker, earphone or buzzer etc.
And know, above-mentioned loud speaker mainly is that the electric energy with audio signal converts acoustic energy output to, allow user's ear can hear music or voice, therefore the speaker design emphasis biases toward mostly audio signal verily is converted to sound, allow user's ear can hear original music or voice, enjoy the auditory effect of former sound reproducing.In addition, if light-emitting diode (LED) and loud speaker can be arranged in pairs or groups together, and by the control of described audio signal, and make the light-emitting diode can be along with the carrying out of music or voice, present the effect that the variation with music rhythm or voice rhythm flickers, flashes, can allow the user enjoy the sense of hearing and visual double effects.
Yet the electrical power of the audio signal of above-mentioned audio product output is all quite faint usually, lift as power below 100mW, and voltage is also below 100mV; Therefore, send voice or music, be difficult to the running of driven for emitting lights diode though described audio signal is enough to drive loud speaker; If come the driven for emitting lights diode, and cooperate with audio signal control LED flash and change lightness, can cause extra energy burden, and carry and use also comparatively inconvenience, demand urgently being improved with battery or external power supply.
Summary of the invention
The purpose of this utility model is with under the prerequisite that does not cause the additional energy source burden, overcome the problem that above-mentioned prior art sound intermediate frequency signal is difficult to driven for emitting lights diode running, and promote light-emitting diode and loud speaker collocation together afterwards in the convenience that carries and use.
For achieving the above object, the electric energy push lifting device of audio-signal-driven light-emitting diode of the present utility model, an audio signal output end that is included in an audio product connects a loud speaker, described audio signal output end provides an audio signal, drive described loud speaker and sound, its technical characterictic is:
Described audio signal output end connects a passive type amplifier, and amplifying described audio signal, and described passive type amplifier connects at least one light-emitting diode, and drives described lumination of light emitting diode; So,
When audio signal rose and fell with music or voice rhythm, the electric current by described light-emitting diode can change thereupon, impelled described light-emitting diode to present with the variation of music or voice rhythm and glimmered and change the effect of lightness.
By as can be known above-mentioned, the utility model can reach the above-mentioned purpose of utilizing the running of audio-signal-driven light-emitting diode with under the prerequisite that does not cause additional energy source burden, and promotes after light-emitting diode and the loud speaker collocation together in the convenience that carries and use.
In addition, the utility model also comprises:
Described passive type amplifier described loud speaker in parallel.
Described passive type amplifier includes a passive step-up transformer that can raise audio signal, the primary side of described passive step-up transformer connects described audio signal output end, and the secondary side of described passive step-up transformer connects described light-emitting diode, and makes described passive type amplifier amplify described audio signal by described passive step-up transformer.
The utility model also provides a kind of electric energy push lifting device of audio-signal-driven light-emitting diode, an audio signal output end that is included in an audio product connects a loud speaker, described audio signal output end provides an audio signal, drives described loud speaker and sounds;
Described audio signal output end connects a passive type amplifier, described passive type amplifier connects at least one light-emitting diode, and described passive type amplifier includes a passive step-up transformer that can raise audio signal, the primary side of described passive step-up transformer connects described audio signal output end, and the secondary side of described passive step-up transformer connects described light-emitting diode, described passive type amplifier amplifies described audio signal by described passive step-up transformer, and drives described lumination of light emitting diode.
Described passive type amplifier also includes resistance and an electric capacity that is in parallel, and the primary side of described passive step-up transformer and described electric capacity are in series, and described passive step-up transformer and electric capacity and described loud speaker are in parallel.
Described light-emitting diode can be a plurality of, comprise one first light-emitting diode, and one second light-emitting diode of described first light-emitting diode in parallel, and the anode tap of described second light-emitting diode is connected with the cathode terminal of described first light-emitting diode, and the cathode terminal of described second light-emitting diode is connected with the anode tap of described first light-emitting diode.
Compared with prior art, the electric energy push lifting device of audio-signal-driven light-emitting diode described in the utility model, the loud speaker that disposes light-emitting diode utilizes the described lumination of light emitting diode of audio-signal-driven of audio product.
Yet, for can be clearly and fully disclose the utility model, and give the legend of enumerating a preferable enforcement, cooperate graphic detailed description as described later:
Description of drawings
Fig. 1 is the circuit diagram of the utility model preferred embodiment;
Fig. 2 is the calcspar of the utility model preferred embodiment;
Fig. 3 is the user mode figure of Fig. 2.
Description of reference numerals: 1-audio product; The 10-earth terminal; 11,12-audio signal output end; The 2-loud speaker; 21,311,321,331,411,421-anode tap; 22,312,322,332,412,422-cathode terminal; 3-passive type amplifier; The passive step-up transformer of 30-; The 31-primary side; The 32-secondary side; 33-electric capacity; 34-resistance; 41-first light-emitting diode; 42-second light-emitting diode; 51,52-audio signal.
Embodiment
In order to describe structure of the present utility model and effect in detail, now enumerate a preferred embodiment and conjunction with figs. and describe in detail as the back:
First sight is shown in Figure 1, disclose the circuit diagram of the electric energy push lifting device preferred embodiment of the utility model audio-signal-driven light-emitting diode, and cooperate Fig. 2 to illustrate that the utility model is included in an audio signal output end 11 connections one loud speaker 2 of an audio product 1, described audio signal output end 11 can provide the audio signal of a linearity, sound to drive described loud speaker 2, and described audio product 1 and have an earth terminal 10; On the implementation, an anode tap 21 of described loud speaker 2 connects the audio signal output end 11 of described audio product 1, and a cathode terminal 22 of loud speaker 2 connects the earth terminal 10 of described audio product 1.
According to above-mentioned enforcement environment, described audio signal output end 11 connects a passive type amplifier 3 (as shown in Figures 1 and 2), and described passive type amplifier 3 connects at least one light-emitting diode, described passive type amplifier 3 is a kind of known amplifier that does not need extra power supply to start, and passive type amplifier 3 includes a passive step-up transformer 30 that can raise audio signal, and (LCR) passive components such as the resistance 34 that is in parallel of collocation and an electric capacity 33, passive step-up transformer 30 is a kind of known passive electronic components and parts, the primary side 31 of described passive step-up transformer 30 connects described audio signal output end 11, and the secondary side 32 of described passive step-up transformer 30 connects described light-emitting diode; On the implementation, the anode tap 311 of the primary side 31 of described passive step-up transformer 30 is connected with the cathode terminal 332 of described electric capacity 33, and the described electric capacity 33 and the primary side 31 of passive step-up transformer 30 are in series, and the anode tap 331 of electric capacity 33 connects described audio signal output end 11, the cathode terminal 312 of the primary side 31 of described passive step-up transformer 30 connects described earth terminal 10, and described passive step-up transformer 30 and electric capacity 33 and described loud speaker 2 are in parallel; So, described passive type amplifier 3 described loud speakers 2 in parallel.
Described light-emitting diode can be a plurality of in this enforcement, comprise one first light-emitting diode 41 (as shown in Figures 1 and 2), and one second light-emitting diode 42 of described first light-emitting diode 41 in parallel, the anode tap 411 of described first light-emitting diode 41 connects the anode tap 321 of the secondary side 32 of described passive step-up transformer 30, and the cathode terminal 412 of first light-emitting diode 41 connects the cathode terminal 322 of the secondary side 32 of described passive step-up transformer 30, the anode tap 421 of described second light-emitting diode 42 is connected with the cathode terminal 412 of described first light-emitting diode 41, and the cathode terminal 422 of described second light-emitting diode 42 is connected with the anode tap 411 of described first light-emitting diode 41.
Above-mentioned loud speaker 2, passive type amplifier 3, first and second light- emitting diode 41,42 configurable many groups in this enforcement are together implemented (as shown in Figure 1), and are connected to another audio signal output end 12 of described audio product 1.
Composition by above-mentioned member, can be for implementing the utility model according to this, particularly drive that 2 groups of described loud speakers are put the music on or during voice (cooperation Figure 1 and Figure 2) when audio signal output end 11,12 output one audio signal 51, described audio signal 51 also is passed to described passive type amplifier 3 synchronously, and by the described audio signal 51 of described passive step-up transformer 30 amplifications, and the intensity of the audio signal of exporting via described passive type amplifier 3 52 is promoted, and then it is luminous to drive described first and second light-emitting diode 41,42; When audio signal 51,52 with music or speech frequency, when rhythm rises and falls, electric current by described first and second light-emitting diode 41,42 can change thereupon, impels described first and second light-emitting diode 41,42 to present with the variation of music or voice rhythm and glimmers and change the effect of lightness; During this time, because the described passive type amplifier 3 of described second light-emitting diode, 42 phase inverse parallels, and make first and second light-emitting diode 41,42 can be alternately luminous.
Believe above-mentioned explanation, being enough to clearly and fully to disclose the utility model can be for the necessary technology content of implementing according to this, particularly utilizes the passive step-up transformer of described passive type amplifier to raise the signal strength signal intensity of audio signal, operates with the driven for emitting lights diode; In view of the above, can be under the prerequisite that does not cause the additional energy source burden, with the collocation of light-emitting diode and loud speaker together, enjoy the sense of hearing and visual double effects, and promote light-emitting diode and loud speaker collocation together afterwards in the convenience that carries and use so that the user to be provided.So, the utility model can be applied on Music centre loudspeaker, earphone or the buzzer, and cooperate audio products such as VCD, DVD projector, broadcast receiver, walkman, MP3, MP4, MP5, mobile phone, computer or electronic game to use.
To sum up institute is old, only is preferred embodiment of the present utility model, is not in order to limit the utility model; All other do not break away from the equivalence of finishing under the spirit that the utility model discloses to be modified or displacement, all should be contained in the aftermentioned claim.
Claims (6)
1. the electric energy push lifting device of an audio-signal-driven light-emitting diode, an audio signal output end that is included in an audio product connects a loud speaker, and described audio signal output end provides an audio signal, drives described loud speaker and sounds, and it is characterized in that:
Described audio signal output end connects a passive type amplifier, and amplifying described audio signal, and described passive type amplifier connects at least one light-emitting diode, and drives described lumination of light emitting diode.
2. the electric energy push lifting device of audio-signal-driven light-emitting diode according to claim 1 is characterized in that: described passive type amplifier described loud speaker in parallel.
3. the electric energy push lifting device of audio-signal-driven light-emitting diode according to claim 1, it is characterized in that: described passive type amplifier includes a passive step-up transformer that can raise audio signal, the primary side of described passive step-up transformer connects described audio signal output end, and the secondary side of described passive step-up transformer connects described light-emitting diode.
4. the electric energy push lifting device of an audio-signal-driven light-emitting diode, an audio signal output end that is included in an audio product connects a loud speaker, and described audio signal output end provides an audio signal, drives described loud speaker and sounds, and it is characterized in that:
Described audio signal output end connects a passive type amplifier, described passive type amplifier connects at least one light-emitting diode, and described passive type amplifier includes a passive step-up transformer that can raise audio signal, the primary side of described passive step-up transformer connects described audio signal output end, and the secondary side of described passive step-up transformer connects described light-emitting diode, described passive type amplifier amplifies described audio signal by described passive step-up transformer, and drives described lumination of light emitting diode.
5. as the electric energy push lifting device of audio-signal-driven light-emitting diode as described in claim 3 or 4, it is characterized in that: described passive type amplifier also includes resistance and an electric capacity that is in parallel, the primary side of described passive step-up transformer and described electric capacity are in series, and described passive step-up transformer and electric capacity and described loud speaker are in parallel.
6. as the electric energy push lifting device of audio-signal-driven light-emitting diode as described in claim 1 or 4, it is characterized in that: described light-emitting diode can be a plurality of, comprise one first light-emitting diode, and one second light-emitting diode of described first light-emitting diode in parallel, and the anode tap of described second light-emitting diode is connected with the cathode terminal of described first light-emitting diode, and the cathode terminal of described second light-emitting diode is connected with the anode tap of described first light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202187996U CN201657269U (en) | 2009-11-16 | 2009-11-16 | Electric energy boosting device of light emitting diodes driven by audio signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202187996U CN201657269U (en) | 2009-11-16 | 2009-11-16 | Electric energy boosting device of light emitting diodes driven by audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201657269U true CN201657269U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202187996U Expired - Fee Related CN201657269U (en) | 2009-11-16 | 2009-11-16 | Electric energy boosting device of light emitting diodes driven by audio signals |
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| Country | Link |
|---|---|
| CN (1) | CN201657269U (en) |
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2009
- 2009-11-16 CN CN2009202187996U patent/CN201657269U/en not_active Expired - Fee Related
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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: 20101124 Termination date: 20111116 |