CN2724340Y

CN2724340Y - Clock lamp speaker

Info

Publication number: CN2724340Y
Application number: CN 200420076297
Authority: CN
Inventors: 张斌; 王学义; 徐勇利; 陈华涛
Original assignee: AILIKA ELECTRONIC Co Ltd WUHAN
Current assignee: AILIKA ELECTRONIC Co Ltd WUHAN
Priority date: 2004-08-13
Filing date: 2004-08-13
Publication date: 2005-09-07
Anticipated expiration: 2014-08-13

Abstract

The utility model relates to a loudspeaker box of an electro-acoustic musical instrument. A time lamp loudspeaker box comprises an input amplifying unit, a tone unit, a mixing amplifying unit, a power amplifying unit, a loudspeaker unit and a power supply unit. The time lamp loudspeaker is characterized in that the input end of the input amplifying unit is connected with a metronome; the input end of the input amplifying unit is connected with the foot of the metronome 48. The clock lamp loudspeaker box has the time function, the time visual displaying function, and can make the bandsman listen and see and conveniently master the exact music rhythm while in performance.

Description

Clock lamp speaker

Technical field

The utility model relates to a kind of electrophonic musical instrument audio amplifier.

Background technology

The appearance of electrophonic musical instrument is the once great revolution on people's kind musical instrument history, and it is abundant and far-reaching that the form of expression of music and content therefore can't become with imagining.Enter modern times, along with the swift and violent high speed development of sweeping across of the surging tide of the industrial revolution and high-tech, information industry, the dramatic change that society produces directly has influence on the Spirit of Man world with development.As the final performance carrier of electrophonic musical instrument, the electrophonic musical instrument audio amplifier has also obtained significant progress, and various new products emerge in an endless stream.Electrophonic musical instrument comprises electric guitar, electric bass, electronic organ etc.At present, the electrophonic musical instrument audio amplifier mainly is made up of following functional unit: input amplifying unit, tone unit, mixing amplifying unit, power amplifier unit, loudspeaker unit, power subsystem, lack beat function, beat Presentation Function directly perceived, make troubles learning for the musician with training.

Summary of the invention

The purpose of this utility model is to provide a kind of Clock lamp speaker with beat function.

To achieve these goals, the technical solution of the utility model is: Clock lamp speaker, comprise input amplifying unit, tone unit, mix amplifying unit, power amplifier unit, loudspeaker unit, power subsystem, it is characterized in that: the input of input amplifying unit connects a metronome, is connected with 48 pin of metronome chip by the input of importing amplifying unit.

Described metronome connects a beat circuit for lamp, the beat circuit for lamp comprises the see-saw circuit unit, the differential circuit unit, the low-tension supply unit, the synchronous circuit unit, pulsewidth split circuit unit, the shaping circuit unit, drive the display circuit unit, the input B point of see-saw circuit unit is connected with 48 pin B points of metronome chip, the collector electrode of the triode T1 of see-saw circuit unit and the capacitor C 1 of differential circuit unit, capacitor C 2 is connected, the resistance R 3 of differential circuit unit, resistance R 7 is connected with the synchronous circuit unit, the base stage of the triode T2 of synchronous circuit unit is connected with 5 pin of metronome chip, the synchronous circuit unit is connected with pulsewidth split circuit unit by capacitor C 5, the triode T5 collector electrode of pulsewidth split circuit unit is connected with 8 pin of the chip 555B of shaping circuit unit, 10 pin of the chip 555B of shaping circuit unit are connected with 5 pin of metronome chip, 9 pin of the chip 555B of shaping circuit unit, 10 pin are connected with driving display circuit unit, drive display unit and drive the dual color light emitting components and parts.

The utility model adopts said structure, input at the input amplifying unit connects a metronome, metronomic cadence signal and electrophonic musical instrument (electric guitar, electric bass) simulated audio signal of Chan Shenging enters the input amplifying unit together, through amplifying, after the filtering, simulated audio signal is sent into the tone unit, after carrying out required tone adjustment, enter and mix amplifying unit mixing amplification, send into power amplifier unit then and carry out power amplification, promote loudspeaker unit, power subsystem then provides each unit required power supply for above all unit, guarantees each unit operate as normal, makes audio amplifier have the beat function.

Metronome connects a beat circuit for lamp, the see-saw circuit unit advance to be given birth to metronomic signal and is sent into the differential circuit unit after the anti-phase amplification and carry out differential, the signal of synchronous circuit unit after with differential carries out Synchronous Processing and flows to pulsewidth split circuit unit signal is carried out pulsewidth separating, signal after the separation flows to through shaping and drives display unit driving dual color light emitting components and parts, the low-tension supply unit for the beat circuit for lamp provide power supply (+5V), drive display unit and adopt dual color light emitting components and parts (dichromatic LED or bi-colour light band) to carry out beat intuitively to show.So just can make the musician when playing, can hear the metronome that has strong and weak sound, can see that also lamp is glittering with beat, and the variable color with the power of beat.

Description of drawings

Fig. 1 is the utility model circuit block diagram

Fig. 2 is the utility model metronome circuit theory diagrams

Fig. 3 is the utility model audio amplifier circuit theory diagrams

Fig. 4 is the utility model beat circuit for lamp block diagram

Fig. 5 is the utility model beat circuit for lamp unit block diagram

Fig. 6 is the utility model example 1 beat circuit for lamp schematic diagram

Fig. 7 is the utility model example 2 beat circuit for lamp schematic diagrams

Fig. 8 is the utility model example pulsewidth split circuit unit each point oscillogram

1-synchronous circuit unit, 2-pulsewidth split circuit unit, 3-shaping circuit unit, 4-drive display circuit unit, 5-high voltage source unit.

Embodiment

Example 1:

As Fig. 1, Fig. 2, shown in Figure 3, Clock lamp speaker comprises audio amplifier circuit, metronome, beat circuit for lamp.The audio amplifier circuit comprises input amplifying unit, tone unit, mixes amplifying unit, power amplifier unit, loudspeaker unit, power subsystem, the input of input amplifying unit connects a metronome, is connected with metronomic 48 pin A points by the input of importing amplifying unit.The simulated audio signal that metronomic cadence signal and electrophonic musical instrument (electric guitar) produce enters the input amplifying unit, after amplification, filtering, simulated audio signal is sent into the tone unit, after carrying out required tone adjustment, enter and mix amplifying unit mixing amplification, send into power amplifier unit then and carry out power amplification, promote loudspeaker unit, power subsystem then provides each unit required power supply for above all unit, guarantees each unit operate as normal.Metronome of the present utility model is not limited only to concrete circuit theory diagrams shown in Figure 2, and all metronomes all are fit to the utility model.

As Fig. 4, Fig. 5, shown in Figure 6, described metronome connects a beat circuit for lamp, the beat circuit for lamp comprises the see-saw circuit unit, the differential circuit unit, the low-tension supply unit, the synchronous circuit unit, pulsewidth split circuit unit, the shaping circuit unit, drive the display circuit unit, the input B point of see-saw circuit unit is connected with 48 pin B points of metronome chip, the collector electrode of the triode T1 of see-saw circuit unit and the capacitor C 1 of differential circuit unit, capacitor C 2 is connected, the resistance R 3 of differential circuit unit, resistance R 7 is connected with the synchronous circuit unit, the base stage of the triode T2 of synchronous circuit unit is connected with 5 pin of metronome chip, the synchronous circuit unit is connected with pulsewidth split circuit unit by capacitor C 5, the triode T5 collector electrode of pulsewidth split circuit unit is connected with 8 pin of the chip 555B of shaping circuit unit, the 10 pin C points of the chip 555B of shaping circuit unit are connected with 5 pin C points of metronome chip, 9 pin of the chip 555B of shaping circuit unit, 10 pin are connected with driving display circuit unit, drive display unit and drive the dual color light emitting components and parts.

Described see-saw circuit unit is triode T1, the base stage of triode T1 is connected with 48 pin of metronome chip through isolation resistance R30, the grounded emitter of triode T1, the collector electrode of triode T1 divides two the tunnel, one the tunnel is connected with capacitor C 1, capacitor C 2 respectively, and another road is connected with+VCC through resistance R 2.

Described differential circuit unit is made up of capacitor C 1/ resistance R 3, capacitor C 2/ resistance R 7, one end of capacitor C 1 is connected with the collector electrode of triode T1, the other end of capacitor C 1 is connected with resistance R 3, diode D1 respectively, and resistance R 3 is connected with the collector electrode of triode T2; One end of capacitor C 2 is connected with the collector electrode of triode T1, and the other end of capacitor C 2 is connected with resistance R 7, diode D2 respectively, and resistance R 7 is connected with the collector electrode of triode T3.

Described synchronous circuit unit is a flip and flop generator, by triode T2, triode T3, diode D1, diode D2, resistance R 5, resistance R 6, capacitor C 3, capacitor C 4 is formed, the grounded emitter of triode T2, the collector electrode of triode T2 and resistance R 4 are gone here and there the back mutually and are connected with+VCC, the base stage of triode T2 divides two the tunnel, one the tunnel is connected with 5 pin of metronome chip, another road is connected with diode D1 positive pole, diode D1 negative pole is connected with capacitor C 1, resistance R 5 is connected with the collector electrode of triode T2 with capacitor C 3 backs in parallel one end, and the other end is connected with the base stage of triode T3; The grounded emitter of triode T3, the collector electrode of triode T3 and resistance R 8 are gone here and there the back mutually and are connected with+VCC, the base stage of triode T3 divides two the tunnel, one the tunnel is connected with resistance R 5, another road is connected with diode D2 positive pole, and diode D2 negative pole is connected with capacitor C 2, and resistance R 6 is connected with the collector electrode of triode T3 with capacitor C 4 backs in parallel one end, the other end is connected with the base stage of triode T2, and the collector electrode of triode T3 is connected with capacitor C 5.

Described pulsewidth split circuit unit is that monostable flipflop and two NAND gate circuit are formed, capacitor C 5 is connected with 6 pin of

chip

555A, 1 pin of

chip

555A, 2 pin are divided into two the tunnel after linking to each other, be connected with+VCC behind one tunnel series resistance R10, link to each other with the earth polar behind the series capacitance C6 of another road, link to each other with the earth polar behind the 3 pin series capacitance C7 of

chip

555A, 7 pin of chip 555A link to each other with ground, 14 pin of

chip

555A, 4 pin are connected with+VCC, 5 pin of chip 555A are divided into two the tunnel, one the tunnel links to each other with the negative pole of diode D6, the positive pole of diode D6 links to each other with the base stage of triode T5, another road links to each other with the negative pole of diode D5, and the positive pole of diode D5 links to each other with the base stage of triode T4; The base resistance R11 of triode T4 is connected with+VCC, the collector electrode of triode T4 is connected with the base stage of resistance R 12, triode T5 respectively, resistance R 12 is connected with+VCC, the grounded emitter of triode T4, the grounded emitter of triode T5, the collector electrode of triode T5 divides behind two tunnel, one tunnel series resistance R13 with+VCC and is connected, and another road is connected with 8 pin of chip 555B.

Described shaping circuit unit is a flip and flop generator, 12 pin of chip 555B, 13 pin are divided into two the tunnel after linking to each other, one the tunnel is connected with+VCC after resistance R 14, another road links to each other with ground after capacitor C 8, link to each other with ground behind the 11 pin series capacitance C9 of chip 555B, 7 pin of chip 555B link to each other with ground, 10 pin of chip 555B are divided into two the tunnel, one the tunnel is connected with the base stage of the triode T7 that drives the display circuit unit, another road is connected with 5 pin of metronome chip, and 9 pin of chip 555B are connected with resistance R 16, resistance R 15, resistance R 22.

Described driving display circuit unit comprises bi-colour light band, triode T6, triode T7, triode T8, triode T9, triode T10, triode T11, triode T12, triode T13, the base stage of triode T7 is connected with 10 pin of chip 555B, the collector electrode of triode T7 is connected with+VCC, the emitter of triode T7 is divided into two the tunnel, link to each other with ground behind one tunnel series resistance R17, link to each other with the collector electrode of triode T8 behind the series resistance R18 of another road; One end of resistance R 16 is connected with 9 pin of chip 555B, the other end of resistance R 16 links to each other with the base stage of triode T8, the collector electrode of triode T8 is divided into two the tunnel, link to each other with the base stage of triode T9 behind one tunnel series resistance R19, the grounded emitter of triode T9, be connected with the malleation of high voltage source unit behind the collector electrode series lamp band of triode T9, link to each other with the base stage of triode T12 behind the series resistance R26 of another road, the grounded emitter of triode T12, base stage with triode T13 behind the collector series resistance R29 of triode T12 links to each other, the grounded emitter of triode T13 is connected with the negative pressure of high voltage source unit behind the collector electrode series lamp band of triode T13; One end of resistance R 15 is connected with 9 pin of chip 555B, and the other end of resistance R 15 links to each other with the base stage of triode T6, and the grounded emitter of triode T6 is connected with the malleation of high voltage source unit behind the collector electrode series connection bi-colour light band of triode T6; One end of resistance R 22 is connected with 9 pin of chip 555B, the other end of resistance R 22 links to each other with the base stage of triode T10, the grounded emitter of triode T10, base stage with triode T11 behind the collector series resistance R25 of triode T10 links to each other, the grounded emitter of triode T11 is connected with the negative pressure of high voltage source unit behind the collector electrode series lamp band of triode T11.

Described low-tension supply unit is+VCC=+5V.

The high voltage source 5 that drives the lamp band has adopted full-wave voltage doubler, and this circuit has utilized the existing winding of former power transformer.When described dual color light emitting components and parts adopted the bi-colour light band, the bi-colour light band that drives display unit was connected with high voltage source unit 5.

As shown in Figure 6, the signal that comes from 48 pin of metronome chip SPL10A is through the anti-phase amplification of triode T1, through capacitor C 1/ resistance R 3, the differential circuit that capacitor C 2/ resistance R 7 is formed enters the synchronous circuit unit, this unit is mainly by triode T2, the flip and flop generator that triode T3 forms is formed, because the 48 pin output pulse signals of metronome chip SPL10A are at random, that is first pulse duration is uncertain, mistake in the time of might causing pulsewidth to separate, cause the change of display lamp color, therefore add synchronous circuit, make sampled point place second complete pulse, avoided the wrong bright problem of colored lights.In this circuit, utilize the reset signal of the back edge of the signal that 5 pin of metronome chip SPL10A come as flip and flop generator.The output of this unit enters pulsewidth split circuit unit through capacitor C 5, pulsewidth split circuit unit is that monostable flipflop and two gate circuits are formed, export a wide pulse (about 0.35mS) by the monostable flipflop that 555A constitutes, its width is between two kinds of pulse durations of T3 output, this pulse is through diode D3, diode D4, triode T4 and diode D6, the NAND gate circuit that triode T5 forms, compare with the pulse of triode T2 output, separate, filter out the narrower pulse of width (about 0.3mS), just two kinds of pulsewidths of metronome output are made a distinction, the each point waveform as shown in Figure 8.

The output signal of triode T5 collector electrode enters the shaping circuit unit, this unit mainly is made of chip 555B bistable circuit, 8 pin of chip 555B connect triode T5 collector electrode, 9 pin output pulse front edge triggering signal as chip 555B, the signal C next from 5 pin of metronome chip SPL10A enters 10 pin, as the triggering signal of 9 pin of chip 555B output pulse back edge, the time of aspect when this pulse duration is exactly burst pulse.The signal of being exported by 9 pin of chip 555B enters the driving display unit, this signal one tunnel drives triode T6 through resistance R 15, one the tunnel through resistance R 22 driving triode T10, triode T11, make the lamp band glittering, other one the tunnel through resistance R 16 control triode T8, make its grounded collector, cause another group colored lights not work, when 48 pin of metronome chip SPL10A are exported broad pulse, be the about 0.4mS of triode T3 collector electrode output, that is triode T5 collector electrode no-output, triode T8 open collector, the pulse signal that is come by 5 pin of metronome chip SPL10A is through triode T7, resistance R 18, one the tunnel through resistance R 19 driving triode T9, and another road drives triode T12 through resistance R 26, triode T13 makes another group lamp band glittering.Because two groups of lamp band color differences, so can differentiate strong, weak beat from light color.

Example 2:

As Fig. 1, Fig. 2, shown in Figure 3, Clock lamp speaker comprises audio amplifier circuit, metronome, beat circuit for lamp.The audio amplifier circuit comprises input amplifying unit, tone unit, mixes amplifying unit, power amplifier unit, loudspeaker unit, power subsystem, and the input of input amplifying unit connects a metronome, is connected with metronomic 48 pin by the input of importing amplifying unit.The simulated audio signal that metronomic cadence signal and electrophonic musical instrument (electric guitar) produce enters the input amplifying unit, after amplification, filtering, simulated audio signal is sent into the tone unit, after carrying out required tone adjustment, enter and mix amplifying unit mixing amplification, send into power amplifier unit then and carry out power amplification, promote loudspeaker unit, power subsystem then provides each unit required power supply for above all unit, guarantees each unit operate as normal.

As Fig. 4, Fig. 5, shown in Figure 7, described metronome connects a beat circuit for lamp, the beat circuit for lamp comprises the see-saw circuit unit, the differential circuit unit, the low-tension supply unit, the synchronous circuit unit, pulsewidth split circuit unit, the shaping circuit unit, drive the display circuit unit, the input B point of see-saw circuit unit is connected with 48 pin B points of metronome chip, the collector electrode of the triode T1 of see-saw circuit unit and the capacitor C 1 of differential circuit unit, capacitor C 2 is connected, the resistance R 3 of differential circuit unit, resistance R 7 is connected with the synchronous circuit unit, the base stage of the triode T2 of synchronous circuit unit is connected with 5 pin of metronome chip, the synchronous circuit unit is connected with pulsewidth split circuit unit by capacitor C 5, the triode T5 collector electrode of pulsewidth split circuit unit is connected with 8 pin of the chip 555B of shaping circuit unit, 10 pin of the chip 555B of shaping circuit unit are connected with 5 pin of metronome chip, 9 pin of the chip 555B of shaping circuit unit, 10 pin are connected with driving display circuit unit, drive display unit and drive the dual color light emitting components and parts.

chip

555A, 1 pin of

chip

555A, 7 pin of chip 555A link to each other with ground, 14 pin of

chip

Described shaping circuit unit is a flip and flop generator, 12 pin of chip 555B, 13 pin are divided into two the tunnel after linking to each other, one the tunnel is connected with+VCC after resistance R 14, another road links to each other with ground after capacitor C 8, link to each other with ground behind the 11 pin series capacitance C9 of chip 555B, 7 pin of chip 555B link to each other with ground, 10 pin of chip 555B are divided into two the tunnel, one the tunnel is connected with the base stage of the triode T7 that drives the display circuit unit, another road is connected with 5 pin of metronome chip, and 9 pin of chip 555B are connected with resistance R 16, resistance R 15.

Described driving display circuit unit comprises dichromatic LED, triode T6, triode T7, triode T8, triode T9, triode T10, be connected with 10 pin of chip 555B behind the base series resistor R22 of triode T10, the grounded emitter of triode T10, the collector electrode of triode T10 is divided into two the tunnel, link to each other with+VCC behind one tunnel series resistance R23, another road links to each other with the base stage of triode T7, the grounded emitter of triode T7, the collector electrode of triode T7 is divided into two the tunnel, link to each other, link to each other with the collector electrode of triode T8 behind the series resistance R18 of another road with+VCC behind one tunnel series resistance R17; One end of resistance R 16 is connected with 9 pin of chip 555B, the other end of resistance R 16 links to each other with the base stage of triode T8, the collector electrode of triode T8 is divided into two the tunnel, link to each other with the base stage of triode T9 behind one tunnel series resistance R19, the emitter of triode T9 and dichromatic LED wherein a positive pole be in series the back ground connection, the collector electrode of triode T9 is connected, links to each other with the collector electrode of triode T7 behind the series resistance R18 of another road with+VCC; One end of resistance R 15 is connected with 9 pin of chip 555B, and the other end of resistance R 15 links to each other with the base stage of triode T6, another positive pole of the emitter of triode T6 and dichromatic LED back ground connection that is in series, and the collector electrode of triode T6 links to each other with+VCC.

Described low-tension supply unit is+VCC=+5V.Described dual color light emitting components and parts are dichromatic LED, drive the strong and weak sound of two kinds of colouring discriminations that display unit adopts two-color diode, carry out the demonstration directly perceived of beat.

As shown in Figure 7, the signal that comes from 48 pin of metronome chip SPL10A is through the anti-phase amplification of triode T1, through capacitor C 1/ resistance R 3, the differential circuit that capacitor C 2/ resistance R 7 is formed enters the synchronous circuit unit, this unit is mainly by triode T2, the flip and flop generator that triode T3 forms is formed, because the 48 pin output pulse signals of metronome chip SPL10A are at random, that is first pulse duration is uncertain, mistake in the time of might causing pulsewidth to separate, cause the change of display lamp color, therefore add synchronous circuit, make sampled point place second complete pulse, avoided the wrong bright problem of colored lights.In this circuit, utilize the reset signal of the back edge of the signal that 5 pin of metronome chip SPL10A come as flip and flop generator.The output of this unit enters pulsewidth split circuit unit through capacitor C 5, pulsewidth split circuit unit is that monostable flipflop and two gate circuits are formed, export a wide pulse (about 0.35mS) by the monostable flipflop that 555A constitutes, its width is between two kinds of pulse durations of T3 output, the NAND gate circuit that this pulse is formed through D3, D4, T4 and D6, T5, compare, separate with the pulse of T2 output, filter out the narrower pulse of width (about 0.3mS), just two kinds of pulsewidths of metronome output are made a distinction, the each point waveform as shown in Figure 8.

The output signal of T5 collector electrode enters the shaping circuit unit, this unit mainly is made of the 555B bistable circuit, 8 pin of 555B connect the T5 collector electrode, 9 pin output pulse front edge triggering signal as 555B, the signal C next from 5 pin of metronome chip SPL10A enters 10 pin, as the triggering signal of 9 pin output pulse back edge, the time of aspect when this pulse duration is exactly burst pulse.The signal of being exported by 9 pin of 555B enters the driving display unit, and this pulse is divided into two-way, and the R15 of leading up to drives T6, makes LED1 luminous, and another road enters T8 by R16, makes the T8 saturation conduction as electronic switch, and control T9 ends, and LED2 does not work.When 48 pin of metronome chip SPL10A output broad pulse, i.e. the about 0.4mS of T3 collector electrode output, that is T5 collector electrode no-output, also no-output of 9 pin of 555B is ended T6 this moment, and LED1 does not work.Cause the T8 open collector simultaneously, the pulse signal that is come by 8 pin of metronome chip SPL10A amplifies through T10, T7 through R22 again, drives T9 by R18, R19, and LED2 is given out light.Owing to adopted dichromatic LED, can differentiate strong, weak beat from light color.

Claims

1. Clock lamp speaker, comprise input amplifying unit, tone unit, mix amplifying unit, power amplifier unit, loudspeaker unit, power subsystem, it is characterized in that: the input of input amplifying unit connects a metronome, is connected with metronomic 48 pin by the input of importing amplifying unit.

2. Clock lamp speaker according to claim 1, it is characterized in that: described metronome connects a beat circuit for lamp, the beat circuit for lamp comprises the see-saw circuit unit, the differential circuit unit, the low-tension supply unit, the synchronous circuit unit, pulsewidth split circuit unit, the shaping circuit unit, drive the display circuit unit, the input of see-saw circuit unit is connected with 48 pin of metronome chip, the electric capacity (C1) of the collector electrode of the triode of see-saw circuit unit (T1) and differential circuit unit, electric capacity (C2) is connected, the resistance of differential circuit unit (R3), resistance (R7) is connected with the synchronous circuit unit, the base stage of the triode of synchronous circuit unit (T2) is connected with 5 pin of metronome chip, the synchronous circuit unit is connected with pulsewidth split circuit unit by electric capacity (C5), triode (T5) collector electrode of pulsewidth split circuit unit is connected with 8 pin of the chip (555B) of shaping circuit unit, 10 pin of the chip of shaping circuit unit (555B) are connected with 5 pin of metronome chip, 9 pin of the chip of shaping circuit unit (555B), 10 pin are connected with driving display circuit unit, drive display unit and drive the dual color light emitting components and parts.

3. Clock lamp speaker according to claim 2, it is characterized in that: described see-saw circuit unit is triode (T1), the base stage of triode (T1) is connected with 48 pin of metronome chip through isolation resistance, the grounded emitter of triode (T1), the collector electrode of triode (T1) divides two the tunnel, one the tunnel is connected with electric capacity (C1), electric capacity (C2) respectively, and another road is connected with+VCC through resistance (R2).

4. Clock lamp speaker according to claim 2, it is characterized in that: described differential circuit unit is made up of electric capacity (C1)/resistance (R3), electric capacity (C2)/resistance (R7), one end of electric capacity (C1) is connected with the collector electrode of triode (T1), the other end of electric capacity (C1) is connected with resistance (R3), diode (D1) respectively, and resistance (R3) is connected with the collector electrode of triode (T2); One end of electric capacity (C2) is connected with the collector electrode of triode (T1), and the other end of electric capacity (C2) is connected with resistance (R7), diode (D2) respectively, and resistance (R7) is connected with the collector electrode of triode (T3).

5. Clock lamp speaker according to claim 2, it is characterized in that: described synchronous circuit unit is a flip and flop generator, by triode (T2), triode (T3), diode (D1), diode (D2), resistance (R5), resistance (R6), electric capacity (C3), electric capacity (C4) is formed, the grounded emitter of triode (T2), the collector electrode of triode (T2) and resistance (R4) are gone here and there the back mutually and are connected with+VCC, the base stage of triode (T2) divides two the tunnel, one the tunnel is connected with 5 pin of metronome chip, another road is connected with diode (D1) positive pole, diode (D1) negative pole is connected with electric capacity (C1), resistance (R5) is connected with the collector electrode of triode (T2) with electric capacity (C3) back in parallel one end, and the other end is connected with the base stage of triode (T3); The grounded emitter of triode (T3), the collector electrode of triode (T3) and resistance (R8) are gone here and there the back mutually and are connected with+VCC, the base stage of triode (T3) divides two the tunnel, one the tunnel is connected with resistance (R5), another road is connected with diode (D2) positive pole, diode (D2) negative pole is connected with electric capacity (C2), resistance (R6) is connected with the collector electrode of triode (T3) with electric capacity (C4) back in parallel one end, the other end is connected with the base stage of triode (T2), and the collector electrode of triode (T3) is connected with electric capacity (C5).

6. Clock lamp speaker according to claim 2, it is characterized in that: described pulsewidth split circuit unit is that monostable flipflop and two NAND gate circuit are formed, electric capacity (C5) is connected with 6 pin of chip (555A), 1 pin of chip (555A), 2 pin are divided into two the tunnel after linking to each other, one tunnel series resistance (R10) back is connected with+VCC, another road series capacitance (C6) back links to each other with the earth polar, 3 pin series capacitances (C7) back of chip (555A) links to each other with the earth polar, 7 pin of chip (555A) link to each other with ground, 14 pin of chip (555A), 4 pin are connected with+VCC, 5 pin of chip (555A) are divided into two the tunnel, one the tunnel links to each other with the negative pole of diode (D6), the positive pole of diode (D6) links to each other with the base stage of triode (T5), another road links to each other with the negative pole of diode (D5), and the positive pole of diode (D5) links to each other with the base stage of triode (T4); The base resistance (R11) of triode (T4) is connected with+VCC, the collector electrode of triode (T4) is connected with the base stage of resistance (R12), triode (T5) respectively, resistance (R12) is connected with+VCC, the grounded emitter of triode (T4), the grounded emitter of triode (T5), the collector electrode of triode (T5) divides two tunnel, one tunnel series resistance (R13) back to be connected with+VCC, and another road is connected with 8 pin of chip (555B).

7. Clock lamp speaker according to claim 2, it is characterized in that: described shaping circuit unit is a flip and flop generator, 12 pin of chip (555B), 13 pin are divided into two the tunnel after linking to each other, one the tunnel is connected with+VCC behind resistance (R14), another road links to each other with ground behind electric capacity (C8), 11 pin series capacitances (C9) back of chip (555B) links to each other with ground, 7 pin of chip (555B) link to each other with ground, 10 pin of chip (555B) are divided into two the tunnel, one the tunnel is connected with the base stage of the triode (T7) that drives the display circuit unit, another road is connected with 5 pin of metronome chip, 9 pin of chip (555B) and resistance (R16), resistance (R15), resistance (R22) is connected.

8. Clock lamp speaker according to claim 2, it is characterized in that: described driving display circuit unit comprises the bi-colour light band, triode (T6), triode (T7), triode (T8), triode (T9), triode (T10), triode (T11), triode (T12), triode (T13), the base stage of triode (T7) is connected with 10 pin of chip (555B), the collector electrode of triode (T7) is connected with+VCC, the emitter of triode (T7) is divided into two the tunnel, one tunnel series resistance (R17) back links to each other with ground, and another road series resistance (R18) back links to each other with the collector electrode of triode (T8); One end of resistance (R16) is connected with 9 pin of chip (555B), the other end of resistance (R16) links to each other with the base stage of triode (T8), the collector electrode of triode (T8) is divided into two the tunnel, one tunnel series resistance (R19) back links to each other with the base stage of triode (T9), the grounded emitter of triode (T9), be connected with the malleation of high voltage source unit behind the collector electrode series lamp band of triode (T9), another road series resistance (R26) back links to each other with the base stage of triode (T12), the grounded emitter of triode (T12), collector series resistance (R29) back of triode (T12) links to each other with the base stage of triode (T13), the grounded emitter of triode (T13) is connected with the negative pressure of high voltage source unit behind the collector electrode series lamp band of triode (T13); One end of resistance (R15) is connected with 9 pin of chip (555B), the other end of resistance (R15) links to each other with the base stage of triode (T6), the grounded emitter of triode (T6) is connected with the malleation of high voltage source unit behind the collector electrode series connection bi-colour light band of triode (T6); One end of resistance (R22) is connected with 9 pin of chip (555B), the other end of resistance (R22) links to each other with the base stage of triode (T10), the grounded emitter of triode (T10), collector series resistance (R25) back of triode (T10) links to each other with the base stage of triode (T11), the grounded emitter of triode (T11) is connected with the negative pressure of high voltage source unit behind the collector electrode series lamp band of triode (T11).

9. Clock lamp speaker according to claim 2, it is characterized in that: described driving display circuit unit comprises dichromatic LED, triode (T6), triode (T7), triode (T8), triode (T9), triode (T10), base series resistor (R22) back of triode (T10) is connected with 10 pin of chip (555B), the grounded emitter of triode (T10), the collector electrode of triode (T10) is divided into two the tunnel, one tunnel series resistance (R23) back links to each other with+VCC, another road links to each other with the base stage of triode (T7), the grounded emitter of triode (T7), the collector electrode of triode (T7) is divided into two the tunnel, one tunnel series resistance (R17) back links to each other with+VCC, and another road series resistance (R18) then links to each other with the collector electrode of triode (T8); One end of resistance (R16) is connected with 9 pin of chip (555B), the other end of resistance (R16) links to each other with the base stage of triode (T8), the collector electrode of triode (T8) is divided into two the tunnel, one tunnel series resistance (R19) back links to each other with the base stage of triode (T9), the emitter of triode (T9) and dichromatic LED wherein a positive pole be in series the back ground connection, the collector electrode of triode (T9) is connected with+VCC, and another road series resistance (R18) back links to each other with the collector electrode of triode (T7); One end of resistance (R15) is connected with 9 pin of chip (555B), the other end of resistance (R15) links to each other with the base stage of triode (T6), the emitter of triode (T6) and another positive pole of dichromatic LED back ground connection that is in series, the collector electrode of triode (T6) links to each other with+VCC.

10. Clock lamp speaker according to claim 2, it is characterized in that: described dual color light emitting components and parts are dichromatic LED or bi-colour light band, when described dual color light emitting components and parts were the bi-colour light band, the bi-colour light band that drives display unit was connected with high voltage source unit (5).