CN203466961U - Audio circuit of music player installed on draw-bar box - Google Patents
Audio circuit of music player installed on draw-bar box Download PDFInfo
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- CN203466961U CN203466961U CN201320434425.4U CN201320434425U CN203466961U CN 203466961 U CN203466961 U CN 203466961U CN 201320434425 U CN201320434425 U CN 201320434425U CN 203466961 U CN203466961 U CN 203466961U
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- diode
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Abstract
The utility model relates to an audio circuit of a music player installed on a draw-bar box. The audio circuit mainly comprises an earphone wire hole, a data line input end, a sliding rheostat, a transformer, an inductor, capacitors, a silicon controlled rectifier and indicating lamps, wherein the earphone wire hole A and the data line input end B are connected in parallel with the sliding rheostat Rp, and are connected with two ends of a primary input end of the transformer T; a secondary coil of the transformer T is connected with the inductor L and the capacitor C3 in series; the indicating lamp EL3 and a diode VS1 are connected in series and then connected with a power input end in parallel, the indicating EL2 and a diode VS2 are connected in series and then connected with the power input end in parallel, and the indicating lamp EL1 and a diode VS3 are connected in series and then connected with the power input end in parallel; and a connecting end of the secondary coil of the transformer T and the inductor L is connected with the capacitor C1 in series and then connected with a negative electrode of the diode VS1, the connecting end is connected with the capacitor C2 in series and then connected with a negative electrode of the diode VS2, a connecting end of the inductor L and the capacitor C3 is connected with a negative electrode of the diode VS3, and the capacitor C4 is connected in parallel between the negative electrode of the diode VS2 and the negative electrode of the diode VS3. The audio circuit has the advantages of being simple in structure, being stable and reliable in performance, and having popularization and application values.
Description
Technical field
The utility model relates to voicefrequency circuit technical field, relates in particular to a kind of voicefrequency circuit that is arranged on music player on draw-bar box.
Background technology
Voicefrequency circuit is one of element important in music player, and the factors such as player clashes into, weather, voicefrequency circuit can occur break down, and cause music can not sounding etc. phenomenon, prior art sound intermediate frequency circuit is complex structure often, and performance is stable not, can not satisfy the demands of consumers.
Utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, and provides a kind of simple in structure, the voicefrequency circuit that is arranged on music player on draw-bar box of dependable performance.
The utility model technical scheme used is: a kind of voicefrequency circuit that is arranged on music player on draw-bar box, mainly comprise earphone cord hole, data wire input, slide rheostat, transformer, inductance, electric capacity, controllable silicon and signal lamp, earphone cord hole A, data wire input B slide rheostat R in parallel
p, and be connected with transformer T primary input terminal two ends; Described transformer T secondary coil and inductance L, capacitor C
3series connection; Indicator light EL
3with diode VS
1in parallel with power input after series connection, indicator light EL
2with diode VS
2in parallel with power input after series connection, indicator light EL
1with diode VS
3in parallel with power input after series connection; After the link series capacitance C1 of transformer T secondary coil and inductance L, be connected diode VS
1negative pole, this end is series capacitance C also
2rear connection diode VS
2negative pole, inductance L and capacitor C
3link connect diode VS
3negative pole, diode VS
2negative pole and diode VS
3shunt capacitance C between negative pole
4.
The beneficial effects of the utility model are: the utility model is simple in structure, stable and reliable for performance, have the value of promoting the use of.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below by embodiment also by reference to the accompanying drawings, the technical solution of the utility model is further described in detail.
As shown in Figure 1, a kind of voicefrequency circuit that is arranged on music player on draw-bar box, mainly comprise earphone cord hole, data wire input, slide rheostat, transformer, inductance, electric capacity, controllable silicon and signal lamp, earphone cord hole A, data wire input B slide rheostat R in parallel
p, and be connected with transformer T primary input terminal two ends; Described transformer T secondary coil and inductance L, capacitor C
3series connection; Indicator light EL
3with diode VS
1in parallel with power input after series connection, indicator light EL
2with diode VS
2in parallel with power input after series connection, indicator light EL
1with diode VS
3in parallel with power input after series connection; After the link series capacitance C1 of transformer T secondary coil and inductance L, be connected diode VS
1negative pole, this end is series capacitance C also
2rear connection diode VS
2negative pole, inductance L and capacitor C
3link connect diode VS
3negative pole, diode VS
2negative pole and diode VS
3shunt capacitance C between negative pole
4.
Slide rheostat R
pregulate earphone cord hole A and data wire input B size of current, thereby change the size of transformer T input and output electric currents, thereby the frequency of oscillation that affects inductance L changes the variation of indicator light.Red indicator light EL
1, green indicator light EL
2, blue indicator light EL
3to indicate current transformer operating state, while operating in higher load condition, red indicator light EL
1lamp is bright.Diode VS
1, diode VS
2, diode VS
3just be used for stoping one-way conduction, without other special roles, the frequency of oscillation of inductance L is by capacitor C
1, capacitor C
2, capacitor C
3, capacitor C
4determine.Slide rheostat R
pwhile being transferred to 0V, diode VS
1, diode VS
2, diode VS
3cut-off, red indicator light EL
1, green indicator light EL
2, blue indicator light EL
3lamp goes out.Slide rheostat R
pwhile being transferred to 1V, electric current is through capacitor C
1, capacitor C
1exchange some conducting, diode VS
1trigger blue indicator light EL
3lamp is bright.Slide rheostat R
pwhile being transferred to 1.16V, capacitor C
2, capacitor C
4dividing potential drop, diode VS
2trigger green indicator light EL
2with blue indicator light EL
3lamp is bright.Slide rheostat R
pwhile being transferred to 2V, diode VS
3trigger red indicator light EL
1, green indicator light EL
2with blue indicator light EL
3lamp is entirely bright.
Claims (1)
1. a voicefrequency circuit that is arranged on music player on draw-bar box, it is characterized in that: mainly comprise earphone cord hole, data wire input, slide rheostat, transformer, inductance, electric capacity, controllable silicon and signal lamp, earphone cord hole A, data wire input B slide rheostat R in parallel
p, and be connected with transformer T primary input terminal two ends; Described transformer T secondary coil and inductance L, capacitor C
3series connection; Indicator light EL
3with diode VS
1in parallel with power input after series connection, indicator light EL
2with diode VS
2in parallel with power input after series connection, indicator light EL
1with diode VS
3in parallel with power input after series connection; After the link series capacitance C1 of transformer T secondary coil and inductance L, be connected diode VS
1negative pole, this end is series capacitance C also
2rear connection diode VS
2negative pole, inductance L and capacitor C
3link connect diode VS
3negative pole, diode VS
2negative pole and diode VS
3shunt capacitance C between negative pole
4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320434425.4U CN203466961U (en) | 2013-07-12 | 2013-07-12 | Audio circuit of music player installed on draw-bar box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320434425.4U CN203466961U (en) | 2013-07-12 | 2013-07-12 | Audio circuit of music player installed on draw-bar box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203466961U true CN203466961U (en) | 2014-03-05 |
Family
ID=50179297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320434425.4U Expired - Fee Related CN203466961U (en) | 2013-07-12 | 2013-07-12 | Audio circuit of music player installed on draw-bar box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203466961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782894A (en) * | 2016-03-06 | 2016-07-20 | 张舒维 | Music color lamp system based on internet of things |
| CN106658923A (en) * | 2017-01-16 | 2017-05-10 | 武汉工程大学 | Colored lamp control device for landscape design |
-
2013
- 2013-07-12 CN CN201320434425.4U patent/CN203466961U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782894A (en) * | 2016-03-06 | 2016-07-20 | 张舒维 | Music color lamp system based on internet of things |
| CN106658923A (en) * | 2017-01-16 | 2017-05-10 | 武汉工程大学 | Colored lamp control device for landscape design |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20190712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |