CN214901299U - Built-in music electric bell - Google Patents
Built-in music electric bell Download PDFInfo
- Publication number
- CN214901299U CN214901299U CN202121213697.2U CN202121213697U CN214901299U CN 214901299 U CN214901299 U CN 214901299U CN 202121213697 U CN202121213697 U CN 202121213697U CN 214901299 U CN214901299 U CN 214901299U
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- music
- circuit board
- transformer
- built
- electric bell
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Abstract
The utility model discloses a built-in music electric bell, which comprises a shell, wherein a transformer, a circuit board, a loudspeaker, a potentiometer and a work indicating lamp are arranged in the shell, and the circuit board is respectively and electrically connected with the loudspeaker, the potentiometer, the work indicating lamp and the transformer; the utility model discloses the work of circuit board power supply drive music chip is given through the transformer to the circular telegram back, passes through speaker broadcast music through power amplifier circuit, and the size of the adjustable broadcast music of potentiometre dabs the switch and switches over the music, has still configured the battery, does benefit to in real time for the circuit board power supply and preserves selected music, can simplify whole volume, is convenient for maintain the change.
Description
Technical Field
The utility model relates to a reduce ambient noise and handle technical field, specifically be built-in music electric bell.
Background
The built-in music electric bell is mainly used for factories, schools, coaching shifts, training shifts, kindergartens, commuting shifts and getting on and off classes to ring, plays a role in alarm reminding, is long in service life and not easy to damage, produces music to produce sound and reduces environmental noise. The old-fashioned electric bell in the existing market is easy to damage and wastes resources.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above purpose, the utility model adopts the following technical scheme:
built-in music electric bell, which comprises an outer shell, be provided with the transformer in the shell, the circuit board, the speaker, the potentiometre, work pilot lamp and touch switch, the circuit board respectively with the speaker, the potentiometre, work pilot lamp touches switch and transformer electric connection lightly, pass through the transformer after the switch on, the work of music chip passes through the speaker broadcast music through power amplifier circuit again on the circuit board power supply drive circuit board is given to the vary voltage, the adjustable music sound size of broadcasting of potentiometre, touch switch switching music, still configured the battery, a sound insulation board for preserve selected music, overall structure is simple, and convenient maintenance is changed.
Furthermore, the loudspeaker is also provided with a touch switch electrically connected with the circuit board, and music can be switched by touching the touch switch.
Furthermore, the circuit board is also provided with a battery, so that the circuit board is supplied with power in real time, selected music can be stored, the whole volume can be simplified, and individual accessories are convenient to produce and install and are suitable for being used indoors or outdoors.
Furthermore, the battery pack also comprises a pressure-variable fitting for modifying batteries with other specifications.
The working principle and the beneficial effects are as follows: after the power is switched on, the circuit board is supplied with power through the transformer to drive the music chip of the circuit board to input audio, and the music is played through the loudspeaker through the power amplifier circuit. The music electric bell is provided with a potentiometer for adjusting the sound of music playing and a tact switch for switching songs. The circuit board is provided with a battery for storing the selected song.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a circuit board; 2. a speaker; 3. a potentiometer; 4. a work indicator light; 5. and (6) lightly touching a switch.
Detailed Description
The invention will be better understood from the following examples.
The drawings in the specification show the structure, ratio, size, etc. only for the purpose of matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and not for the purpose of limiting the present invention, so the present invention does not have the essential meaning in the art, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "front", "rear", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
As shown in fig. 1, the music electric bell is internally provided with a transformer, a circuit board 1, a loudspeaker 2, a potentiometer 3 and a work indicator lamp 4, wherein the circuit board 1 is respectively electrically connected with the loudspeaker 2, the potentiometer 3, the work indicator lamp 4 and the transformer, the circuit board is powered on and then passes through the transformer, a music chip on the circuit board is powered on and driven by the circuit board through voltage transformation, the music chip works and plays music through the loudspeaker through a power amplifier circuit, the volume of music sound played by the potentiometer can be adjusted, the music is switched by touching a switch, a battery is also configured for storing selected music, the whole structure is simple, and the maintenance and the replacement are convenient.
The loudspeaker 2 is also provided with a touch switch 5 electrically connected with the circuit board 1, and music can be switched by touching the touch switch.
The circuit board 1 is also provided with a battery, so that the circuit board is supplied with power in real time, selected music can be stored, the whole volume can be simplified, and individual accessories are convenient to produce and install, and the circuit board is suitable for being used indoors or outdoors.
Wherein, still including installing the vary voltage accessory additional for repacking other specification batteries.
Claims (4)
1. Built-in music electric bell, including the shell, its characterized in that: the transformer, the circuit board (1), the loudspeaker (2), the potentiometer (3) and the work indicator lamp (4) are arranged in the shell, and the circuit board (1) is electrically connected with the loudspeaker (2), the potentiometer (3), the work indicator lamp (4) and the transformer respectively.
2. The built-in music electric bell according to claim 1, wherein: the loudspeaker (2) is also provided with a touch switch (5) which is electrically connected with the circuit board (1).
3. The built-in music electric bell according to claim 1, wherein: the circuit board (1) is also provided with a battery.
4. The built-in music electric bell according to claim 1, wherein: also comprises a pressure-variable fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121213697.2U CN214901299U (en) | 2021-06-01 | 2021-06-01 | Built-in music electric bell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121213697.2U CN214901299U (en) | 2021-06-01 | 2021-06-01 | Built-in music electric bell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214901299U true CN214901299U (en) | 2021-11-26 |
Family
ID=78902291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121213697.2U Active CN214901299U (en) | 2021-06-01 | 2021-06-01 | Built-in music electric bell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214901299U (en) |
-
2021
- 2021-06-01 CN CN202121213697.2U patent/CN214901299U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |