CN207692039U - A kind of garden background music system - Google Patents
A kind of garden background music system Download PDFInfo
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- CN207692039U CN207692039U CN201721927807.5U CN201721927807U CN207692039U CN 207692039 U CN207692039 U CN 207692039U CN 201721927807 U CN201721927807 U CN 201721927807U CN 207692039 U CN207692039 U CN 207692039U
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Abstract
The utility model discloses a kind of garden background music systems, including control module, alarm generator, transmission module and multiple adjustable playing modules, the control module is connect with alarm generator and transmission module respectively, the transmission module is connect with each adjustable playing module respectively, each adjustable playing module includes adjustable power amplifier unit and loudspeaker, and the adjustable power amplifier unit is connect with transmission module and loudspeaker respectively.Audience directly can regulate and control volume in adjustable playing module, be conducive to audience and preferably appreciate music, to improve the quality that background music system is audience's service, can be widely applied to music field.
Description
Technical field
The utility model is related to music field more particularly to a kind of garden background music systems.
Background technology
Present house garden is generally equipped with background music system, and existing background system is all unified to institute by control
Some playing modules carries out volume control, since there is differences for quality in each playing module or environment, when control module is united
When one control volume, the volume that different playing modules plays back has larger difference, some playing module volumes are larger, and
Some playing module volumes are smaller, affect listening to for audience.If audience directly can regulate and control volume by playing module,
This is more advantageous to just audience and appreciates music.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of garden background that audience can regulate and control
Music system.
Technical solution used by the utility model is：A kind of garden background music system, including control module, alarm hair
Raw device, transmission module and multiple adjustable playing modules, the control module are connect with alarm generator and transmission module respectively, institute
Transmission module to be stated to connect with each adjustable playing module respectively, each adjustable playing module includes adjustable power amplifier unit and loudspeaker,
The adjustable power amplifier unit is connect with transmission module and loudspeaker respectively.
Further, the adjustable power amplifier unit includes the first positive-negative-positive bipolar transistor, the first bipolar npn crystal
Pipe, the second bipolar npn transistor, third bipolar npn transistor, the second positive-negative-positive bipolar transistor, the 4th NPN
Type bipolar transistor, the 5th bipolar npn transistor, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th
Resistance, the 6th resistance, the 7th resistance, the 8th resistance, adjustable resistance, the tenth resistance, eleventh resistor, twelfth resistor, the tenth
It is three resistance, the 14th resistance, the 15th resistance, the 16th resistance, the 17th resistance, the first polarized capacitance, first nonpolarity
Capacitance, the second polarized capacitance, the second polarity free capacitor and third polarized capacitance；
Input terminal of the one end of first polarity free capacitor as adjustable power amplifier unit, first polarity free capacitor
The other end is connect with the base stage of one end of 3rd resistor, one end of the 5th resistance and the first positive-negative-positive bipolar transistor respectively, institute
The other end for stating 3rd resistor is connect with one end of the anode of the first polarized capacitance and first resistor respectively, the first resistor
The other end connect power supply, the other end of the 5th resistance and the cathode of the first polarized capacitance be grounded, the first PNP
The emitter of type bipolar transistor is connect with one end of one end of the 4th resistance and eleventh resistor respectively, 11 resistance
The anode of the other end and the second polarized capacitance connect, the cathode of the second polarized capacitance is grounded, first positive-negative-positive
The collector of bipolar transistor is connect with the base stage of one end of the 6th resistance and the second bipolar npn transistor respectively,
The emitter of the second bipolar npn transistor and the other end of the 6th resistance are grounded, second polarity free capacitor
It is connected to the inter-collector of the base stage and the second bipolar npn transistor of the second bipolar npn transistor, described second
The collector of bipolar npn transistor is connect with the base stage of the second positive-negative-positive bipolar transistor, and second positive-negative-positive is bipolar
For property transistor collector by the 17th resistance eutral grounding, the collector of the second positive-negative-positive bipolar transistor passes through the 16th
Resistance is connect with the base stage of the 5th bipolar npn transistor, the emitter ground connection of the 5th bipolar npn transistor,
The collector of the 5th bipolar npn transistor emitter and the 15th with the second positive-negative-positive bipolar transistor respectively
One end of resistance connects, and the other end of the 15th resistance and one end of loudspeaker connect, the other end ground connection of the loudspeaker, institute
One end connection power supply of second resistance is stated, the second resistance other end is electric with one end of the 7th resistance and third polarized respectively
The anode connection of appearance, the cathode of the third polarized capacitance connect with the other end of the 4th resistance, the 7th resistance it is another
One end respectively with the collector of the first bipolar npn transistor, the base stage of third bipolar npn transistor and the 8th resistance
One end connection, the collector company of the emitter of the first bipolar npn transistor and the second bipolar npn transistor
It connects, the other end of the 8th resistance and the first end of adjustable resistance connect, the second end of the adjustable resistance and the tenth resistance
One end connection, the third end of the adjustable resistance connect with the base stage of the first bipolar npn transistor, the tenth resistance
The other end connect with the emitter of the first bipolar npn transistor, the collector of the third bipolar npn transistor
Power supply is connected, the emitter of the third bipolar npn transistor passes through twelfth resistor and the 4th bipolar npn crystal
The base stage of pipe connects, and the collector of the 4th bipolar npn transistor connects power supply, and the third bipolar npn is brilliant
The emitter of body pipe is connect by thirteenth resistor with loudspeaker one end, and the emitter of the 4th bipolar npn transistor is logical
The 14th resistance is crossed to connect with loudspeaker one end.
Further, the alarm generator broadcasts alarm generator using model MP9815E.
The utility model has the beneficial effects that：A kind of garden background music system, including control module, alarm generator,
Transmission module and multiple adjustable playing modules, the control module are connect with alarm generator and transmission module respectively, the biography
Defeated module is connect with each adjustable playing module respectively, and each adjustable playing module includes adjustable power amplifier unit and loudspeaker, described
Adjustable power amplifier unit is connect with transmission module and loudspeaker respectively.Audience directly can regulate and control volume in adjustable playing module, be conducive to
Audience preferably appreciates music, to improve the quality that background music system is audience's service.
Description of the drawings
Fig. 1 is a kind of structure diagram of garden background music system of the utility model；
Fig. 2 is the analog circuit figure of adjustable power amplifier unit.
Specific implementation mode
As shown in Figure 1, a kind of garden background music system, including control module, alarm generator, transmission module and multiple
Adjustable playing module, the control module are connect with alarm generator and transmission module respectively, the transmission module respectively with respectively
Adjustable playing module connection, each adjustable playing module include adjustable power amplifier unit and loudspeaker, the adjustable power amplifier unit point
It is not connect with transmission module and loudspeaker.
The operation principle of above-mentioned background music system is：Control module is uniformly controlled adjustable playing module by transmission module
Background music is played, since the environment residing for the quality difference of adjustable playing module or adjustable playing module is different, is played out
The effect come can difference, some are adjustable, and power amplifier unit broadcast sound volume is big, and some volumes played are small, and audience can be direct
Regulate and control volume in adjustable power amplifier unit, makes music in suitable volume, to make audience preferably appreciate music.Separately
Outside, when needing to send alarm signal, warning message is passed sequentially through control module to alarm generator and transmission module is transferred to
Adjustable power amplifier unit plays out, and quickly has propagated warning message, improves the safety of garden.Wherein, adjustable broadcasting mould
Block n represents n-th of adjustable playing module.
With reference to Fig. 2, it is further used as preferred embodiment, the adjustable power amplifier unit includes the first positive-negative-positive bipolarity
Transistor Q1, the first bipolar npn transistor Q2, the second bipolar npn transistor Q3, third bipolar npn crystal
Pipe Q4, the second positive-negative-positive bipolar transistor Q5, the 4th bipolar npn transistor Q6, the 5th bipolar npn transistor Q7,
First resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7,
8th resistance R8, adjustable resistance R9, the tenth resistance R10, eleventh resistor R11, twelfth resistor R12, thirteenth resistor R13,
14th resistance R14, the 15th resistance R15, the 16th resistance R16, the 17th resistance R17, the first polarized capacitance C1, first
Polarity free capacitor C2, the second polarized capacitance C3, the second polarity free capacitor C4 and third polarized capacitance C5；
Input terminal of the one end of the first polarity free capacitor C2 as adjustable power amplifier unit, first polarity free capacitor
The other end of C2 respectively with one end of 3rd resistor R3, one end of the 5th resistance R5 and the first positive-negative-positive bipolar transistor Q1
Base stage connects, the other end of the 3rd resistor R3 respectively with the anode of the first polarized capacitance C1 and one end of first resistor R1
The other end of connection, the first resistor R1 connects power supply, the other end of the 5th resistance R5 and the first polarized capacitance C1
Cathode be grounded, the emitter of the first positive-negative-positive bipolar transistor Q1 one end and the tenth with the 4th resistance R4 respectively
One end of one resistance R11 connects, and the other end of 11 resistance is connect with the anode of the second polarized capacitance C3, and described second
The cathode of polarized capacitance C3 is grounded, the collector of the first positive-negative-positive bipolar transistor Q1 respectively with the 6th resistance R6
One end connected with the base stage of the second bipolar npn transistor Q3, the emitter of the second bipolar npn transistor Q3
It is grounded with the other end of the 6th resistance R6, the second polarity free capacitor C4 is connected to the second bipolar npn transistor Q3
Base stage and the second bipolar npn transistor Q3 inter-collector, the collector of the second bipolar npn transistor Q3
It is connect with the base stage of the second positive-negative-positive bipolar transistor Q5, the second positive-negative-positive bipolar transistor Q5 collectors pass through the tenth
Seven resistance R17 ground connection, the collector of the second positive-negative-positive bipolar transistor Q5 pass through the 16th resistance R16 and the 5th NPN type
The base stage of bipolar transistor Q7 connects, the emitter ground connection of the 5th bipolar npn transistor Q7, the 5th NPN
The collector of the type bipolar transistor Q7 emitter and the 15th resistance R15 with the second positive-negative-positive bipolar transistor Q5 respectively
One end connection, the other end of the 15th resistance R15 connect with one end of loudspeaker P, and the other end of the loudspeaker P is grounded,
One end of the second resistance R2 connects power supply, the second resistance R2 other ends respectively with one end of the 7th resistance R7 and third
The anode connection of polarized capacitance C5, the cathode of the third polarized capacitance C5 are connect with the other end of the 4th resistance R4, institute
State the other end of the 7th resistance R7 respectively with the collector of the first bipolar npn transistor Q2, third bipolar npn crystal
The base stage of pipe Q4 is connected with one end of the 8th resistance R8, the emitter and the 2nd NPN of the first bipolar npn transistor Q2
The collector of type bipolar transistor Q3 connects, and the other end of the 8th resistance R8 is connect with the first end of adjustable resistance R9,
The second end of the adjustable resistance R9 is connect with one end of the tenth resistance R10, third end and the first NPN of the adjustable resistance R9
The base stage connection of type bipolar transistor Q2, the other end of the tenth resistance R10 and the first bipolar npn transistor Q2's
Emitter connects, and the collector of the third bipolar npn transistor Q4 connects power supply, and the third bipolar npn is brilliant
The emitter of body pipe Q4 is connect by twelfth resistor R12 with the base stage of the 4th bipolar npn transistor Q6, and the described 4th
The collector of bipolar npn transistor Q6 connects power supply, and the emitter of the third bipolar npn transistor Q4 passes through the
13 resistance R13 are connect with the one end loudspeaker P, and the emitter of the 4th bipolar npn transistor Q6 passes through the 14th resistance
R14 is connect with the one end loudspeaker P.
The regulation and control button connects of the shell of the adjustable resistance R9 and playing module, audience are adjustable by regulating and controlling button change
The resistance value of resistance R9 to regulate and control the power amplifier of adjustable power amplifier unit, and then regulates and controls the size of horn volume.This is adjustable power amplifier unit
The function-stable of circuit, and circuit is simple, it is easy to accomplish.
It is further used as preferred embodiment, the alarm generator broadcasts alarm using model MP9815E
Device.
By above-mentioned background music system, audience can adjust the output of volume of music in adjustable playing module, to have
Conducive to the appreciation to background music of audience.
It is to be illustrated to the preferable implementation of the utility model, but the utility model is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Shape or replacement, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (3)
1. a kind of garden background music system, which is characterized in that including control module, alarm generator, transmission module and multiple
Adjustable playing module, the control module are connect with alarm generator and transmission module respectively, the transmission module respectively with respectively
Adjustable playing module connection, each adjustable playing module include adjustable power amplifier unit and loudspeaker, the adjustable power amplifier unit point
It is not connect with transmission module and loudspeaker.
2. a kind of garden background music system according to claim 1, which is characterized in that the adjustable power amplifier unit includes
First positive-negative-positive bipolar transistor, the first bipolar npn transistor, the second bipolar npn transistor, third NPN type are double
Polar transistor, the second positive-negative-positive bipolar transistor, the 4th bipolar npn transistor, the 5th bipolar npn transistor,
It is first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, adjustable
Resistance, the tenth resistance, eleventh resistor, twelfth resistor, thirteenth resistor, the 14th resistance, the 15th resistance, the 16th electricity
Resistance, the 17th resistance, the first polarized capacitance, the first polarity free capacitor, the second polarized capacitance, the second polarity free capacitor and
Three polarized capacitances；
Input terminal of the one end of first polarity free capacitor as adjustable power amplifier unit, first polarity free capacitor it is another
End is connect with the base stage of one end of 3rd resistor, one end of the 5th resistance and the first positive-negative-positive bipolar transistor respectively, and described the
The other end of three resistance is connect with the anode of the first polarized capacitance and one end of first resistor respectively, the first resistor it is another
One end connects power supply, and the other end of the 5th resistance and the cathode of the first polarized capacitance are grounded, and first positive-negative-positive is double
The emitter of polar transistor is connect with one end of one end of the 4th resistance and eleventh resistor respectively, 11 resistance it is another
One end is connect with the anode of the second polarized capacitance, the cathode ground connection of the second polarized capacitance, and first positive-negative-positive is bipolar
Being connect respectively with the base stage of one end of the 6th resistance and the second bipolar npn transistor for the collector of property transistor, it is described
The emitter of second bipolar npn transistor and the other end of the 6th resistance are grounded, the second polarity free capacitor connection
In the inter-collector of the base stage and the second bipolar npn transistor of the second bipolar npn transistor, second NPN type
The collector of bipolar transistor is connect with the base stage of the second positive-negative-positive bipolar transistor, the second positive-negative-positive bipolar transistor
Pipe collector by the 17th resistance eutral grounding, the collector of the second positive-negative-positive bipolar transistor by the 16th resistance with
The base stage of 5th bipolar npn transistor connects, the emitter ground connection of the 5th bipolar npn transistor, and described the
The collector of five bipolar npn transistors respectively with the emitter of the second positive-negative-positive bipolar transistor and the 15th resistance
One end connects, and the other end of the 15th resistance and one end of loudspeaker connect, the other end ground connection of the loudspeaker, and described second
One end of resistance connects power supply, the second resistance other end respectively with one end of the 7th resistance and third polarized capacitance just
Pole connects, and the cathode of the third polarized capacitance is connect with the other end of the 4th resistance, the other end point of the 7th resistance
Not with one end of the base stage and the 8th resistance of the collector of the first bipolar npn transistor, third bipolar npn transistor
Connection, the emitter of the first bipolar npn transistor are connect with the collector of the second bipolar npn transistor, institute
The first end of the other end and adjustable resistance of stating the 8th resistance connects, one end of the second end of the adjustable resistance and the tenth resistance
Connection, the third end of the adjustable resistance connect with the base stage of the first bipolar npn transistor, the tenth resistance it is another
End is connect with the emitter of the first bipolar npn transistor, the collector connection electricity of the third bipolar npn transistor
Source, the base that the emitter of the third bipolar npn transistor passes through twelfth resistor and the 4th bipolar npn transistor
Pole connects, and the collector of the 4th bipolar npn transistor connects power supply, the third bipolar npn transistor
Emitter is connect by thirteenth resistor with loudspeaker one end, and the emitter of the 4th bipolar npn transistor passes through the tenth
Four resistance are connect with loudspeaker one end.
3. a kind of garden background music system according to claim 1, which is characterized in that the alarm generator uses type
Number for MP9815E broadcast alarm generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721927807.5U CN207692039U (en) | 2017-12-29 | 2017-12-29 | A kind of garden background music system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721927807.5U CN207692039U (en) | 2017-12-29 | 2017-12-29 | A kind of garden background music system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207692039U true CN207692039U (en) | 2018-08-03 |
Family
ID=62993653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721927807.5U Active CN207692039U (en) | 2017-12-29 | 2017-12-29 | A kind of garden background music system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207692039U (en) |
-
2017
- 2017-12-29 CN CN201721927807.5U patent/CN207692039U/en active Active
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