CN211792027U - Portable loudspeaker with voice prompt function - Google Patents
Portable loudspeaker with voice prompt function Download PDFInfo
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- CN211792027U CN211792027U CN202020683809.XU CN202020683809U CN211792027U CN 211792027 U CN211792027 U CN 211792027U CN 202020683809 U CN202020683809 U CN 202020683809U CN 211792027 U CN211792027 U CN 211792027U
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Abstract
The utility model provides a portable loudspeaker with voice prompt facility, it relates to an outdoor propaganda public address and uses simple and easy equipment, possesses the improvement of designing a portable loudspeaker. The loudspeaker control main board is arranged in the loudspeaker control board shell, the loudspeaker main body is fixedly connected to the front end of the loudspeaker control board shell, a plurality of control buttons are arranged on the loudspeaker control main board, a pickup port is arranged on the loudspeaker control main board, and a USB connector is arranged on the loudspeaker control main board; the utility model discloses a plurality of control button correspond different operations respectively, and the button operation that corresponds includes: recording, playback, circulation broadcast, functions such as switch, this practicality is after pressing corresponding button, and master control circuit sends the suggestion pronunciation through power amplifier circuit, sends through power amplifier circuit: "recording starts after one sound of a drop"; the corresponding voice prompt is provided after each button is operated, so that the user can realize accurate operation no matter what operation environment, and the operation convenience of the product under various environments and different users is improved.
Description
Technical Field
The utility model relates to an outdoor propaganda public address is with simple and easy equipment possesses the improvement of designing a portable loudspeaker.
Background
Because the portable horn is low in price and simple in application, the portable horn is popular with wide users, is mainly applied to occasions of outdoor collective shouting, downtown cry out and the like, and is very widely applied. The current portable loudspeaker mainly has the functions of real-time calling, repeated playing of recorded sound, playing of a U disk, connection with other sound source equipment through Bluetooth and playing of music. Although these portable speakers are mature technical products, the portable speakers sold in the market currently have the defect that the portable speakers have relatively single function and can only play set contents.
The existing portable loudspeaker realizes functions such as recording, playing, circulation and the like through corresponding keys, generally realizes the corresponding function after the keys are pressed down, and has a plurality of use environments: for example, in a night market in a relatively dark environment, when a speaker needs to be wrapped by a wrapper in rainy days, corresponding operations are very difficult, and whether key operations are correct or not cannot be determined.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a portable loudspeaker with voice prompt function, it can pass through the prompt tone behind the button, lets the more accurate operation of user to broadcast through portable loudspeaker, realize the diversification of function, can carry out voice prompt after the key operation of loudspeaker, let the user know the function broadcast that corresponds at present.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the loudspeaker control panel comprises a loudspeaker main body 1, a loudspeaker control panel shell 2, a loudspeaker control main board 3 and a handle 4, wherein the loudspeaker control main board 3 is arranged in the loudspeaker control panel shell 2, the loudspeaker main body 1 is fixedly connected to the front end of the loudspeaker control panel shell 2, a plurality of control buttons 5 are arranged on the loudspeaker control main board 3, a pickup port 6 is arranged on the loudspeaker control main board 3, and a USB (universal serial bus) connecting port 7 is arranged on the loudspeaker control main board 3; the loudspeaker control main board 3 comprises a USB interface circuit 31, a main control circuit 32, a memory card circuit 33, a TF card circuit 34, a power amplifier circuit 35, a control switch group circuit 36 and a voice acquisition circuit 37; the external connecting end of the USB interface circuit 31 is connected to the USB connector 7, and the input end of the USB interface circuit 31 is connected to the main control circuit 32; the data input and output ends of the memory card circuit 33 and the TF card circuit 34 are connected to the main control circuit 32; the power amplifier circuit 35 is connected to the audio output end of the main control circuit 32, the control input/output end of the control switch group circuit 36 is connected to the control end of the main control circuit 32, and the signal output end of the voice acquisition circuit 37 is connected to the voice signal input end of the main control circuit 32.
The main control circuit 32 comprises a main control chip U1 and a plurality of capacitors and resistors; the main control chip U1 adopts a 3182 chip.
The memory card circuit 33 comprises a memory chip U2, resistors R8, R9 and a capacitor C7, wherein a data input/output end of the memory chip U2 is connected to pins 8 and 9 of the main control chip U1, and a 25Q16 chip is selected as the memory chip U2.
The TF card circuit 34 is provided with a TF card slot, and the data input and output ends of the TF card slot are connected to pins 8, 9 and 10 of the main control chip U1.
The power amplifier circuit 35 comprises a power amplifier chip U3, two resistors R and three capacitors C, and the signal input end of the power amplifier chip U3 is connected to the 1 st pin and the 13 th pin of the main control chip U1.
The control switch group circuit 36 comprises a plurality of switch button keys, and the signal end of the control switch group circuit 36 is connected to the 3 rd and 13 th pins of the main control chip U1.
The voice acquisition end of the voice acquisition circuit 37 is connected to the 14 th and 16 th pins of the main control chip U1.
The utility model discloses a plurality of control button 5 correspond different operations respectively, and the button operation that corresponds includes: recording, playback, circulation broadcast, functions such as switch, this practicality is after pressing corresponding button, and master control circuit 32 sends the suggestion pronunciation through power amplifier circuit, for example after pressing the recording button, and master control circuit 32 sends through power amplifier circuit: "recording starts after one sound of a drop"; the corresponding voice prompt is provided after each button is operated, so that the user can realize accurate operation no matter what operation environment, and the operation convenience of the product under various environments and different users is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a structural view of the horn control panel casing 2 of the present invention;
fig. 3 is a schematic circuit diagram of the middle speaker control main board 3 of the present invention.
Description of reference numerals: the loudspeaker comprises a loudspeaker main body 1, a loudspeaker control panel shell 2, a loudspeaker control main board 3, a handle 4, a control button 5, a sound pickup port 6, a USB connector 7, a USB interface circuit 31, a main control circuit 32, a memory card circuit 33, a TF card circuit 34, a power amplifier circuit 35, a control switch group circuit 36 and a voice acquisition circuit 37.
Detailed Description
Referring to fig. 1 to 3, the technical solution adopted by the present embodiment is: the loudspeaker control panel comprises a loudspeaker main body 1, a loudspeaker control panel shell 2, a loudspeaker control main board 3 and a handle 4, wherein the loudspeaker control main board 3 is arranged in the loudspeaker control panel shell 2, the loudspeaker main body 1 is fixedly connected to the front end of the loudspeaker control panel shell 2, a plurality of control buttons 5 are arranged on the loudspeaker control main board 3, a pickup port 6 is arranged on the loudspeaker control main board 3, and a USB (universal serial bus) connecting port 7 is arranged on the loudspeaker control main board 3; the loudspeaker control main board 3 comprises a USB interface circuit 31, a main control circuit 32, a memory card circuit 33, a TF card circuit 34, a power amplifier circuit 35, a control switch group circuit 36 and a voice acquisition circuit 37; the external connecting end of the USB interface circuit 31 is connected to the USB connector 7, and the input end of the USB interface circuit 31 is connected to the main control circuit 32; the data input and output ends of the memory card circuit 33 and the TF card circuit 34 are connected to the main control circuit 32; the power amplifier circuit 35 is connected to the audio output end of the main control circuit 32, the control input/output end of the control switch group circuit 36 is connected to the control end of the main control circuit 32, and the signal output end of the voice acquisition circuit 37 is connected to the voice signal input end of the main control circuit 32.
The main control circuit 32 comprises a main control chip U1 and a plurality of capacitors and resistors; the main control chip U1 adopts a 3182 chip.
The memory card circuit 33 comprises a memory chip U2, resistors R8, R9 and a capacitor C7, wherein a data input/output end of the memory chip U2 is connected to pins 8 and 9 of the main control chip U1, and a 25Q16 chip is selected as the memory chip U2.
The TF card circuit 34 is provided with a TF card slot, and the data input and output ends of the TF card slot are connected to pins 8, 9 and 10 of the main control chip U1.
The power amplifier circuit 35 comprises a power amplifier chip U3, two resistors R and three capacitors C, and the signal input end of the power amplifier chip U3 is connected to the 1 st pin and the 13 th pin of the main control chip U1.
The control switch group circuit 36 comprises a plurality of switch button keys, and the signal end of the control switch group circuit 36 is connected to the 3 rd and 13 th pins of the main control chip U1.
The voice acquisition end of the voice acquisition circuit 37 is connected to the 14 th and 16 th pins of the main control chip U1.
The utility model discloses a plurality of control button 5 correspond different operations respectively, and the button operation that corresponds includes: recording, playback, circulation broadcast, functions such as switch, this practicality is after pressing corresponding button, and master control circuit 32 sends the suggestion pronunciation through power amplifier circuit, for example after pressing the recording button, and master control circuit 32 sends through power amplifier circuit: "recording starts after one sound of a drop"; the corresponding voice prompt is provided after each button is operated, so that the user can realize accurate operation no matter what operation environment, and the operation convenience of the product under various environments and different users is improved.
In practical application, the main control chip U1 receives the control signal, calls the voice file of the memory chip U2, and then amplifies and outputs the audio signal through the power amplifier chip U3; and realizing the recognition and playing of the voice.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a portable loudspeaker with voice prompt facility which characterized in that: the novel loudspeaker control panel comprises a loudspeaker main body (1), a loudspeaker control panel shell (2), a loudspeaker control main board (3) and a handle (4), wherein the loudspeaker control main board (3) is arranged in the loudspeaker control panel shell (2), the loudspeaker main body (1) is fixedly connected to the front end of the loudspeaker control panel shell (2), a plurality of control buttons (5) are arranged on the loudspeaker control main board (3), a pickup port (6) is arranged on the loudspeaker control main board (3), and a USB (universal serial bus) connecting port (7) is arranged on the loudspeaker control main board (3); the loudspeaker control main board (3) comprises a USB interface circuit (31), a main control circuit (32), a memory card circuit (33), a TF card circuit (34), a power amplifier circuit (35), a control switch group circuit (36) and a voice acquisition circuit (37); the external connecting end of the USB interface circuit (31) is connected to the USB connecting port (7), and the input end of the USB interface circuit (31) is connected to the main control circuit (32); the data input and output ends of the memory card circuit (33) and the TF card circuit (34) are connected to the main control circuit (32); the power amplifier circuit (35) is connected to the audio output end of the main control circuit (32), the control input/output end of the control switch group circuit (36) is connected to the control end of the main control circuit (32), and the signal output end of the voice acquisition circuit (37) is connected to the voice signal input end of the main control circuit (32).
2. The portable loudspeaker with voice prompt function of claim 1, characterized in that: the main control circuit (32) comprises a main control chip (U1), a plurality of capacitors and resistors; the main control chip (U1) adopts a 3182 chip.
3. The portable loudspeaker with voice prompt function of claim 1, characterized in that: the memory card circuit (33) comprises a memory chip (U2), a resistor (R8), a resistor (R9) and a capacitor (C7), wherein the data input/output end of the memory chip (U2) is connected to pins 8 and 9 of a main control chip (U1), and the memory chip (U2) is a 25Q16 chip.
4. The portable loudspeaker with voice prompt function of claim 1, characterized in that: the TF card circuit (34) is provided with a TF card slot, and the data input and output end of the TF card slot is connected to pins 8, 9 and 10 of the main control chip (U1).
5. The portable loudspeaker with voice prompt function of claim 1, characterized in that: the power amplifier circuit (35) comprises a power amplifier chip (U3), two resistors and three capacitors, and the signal input end of the power amplifier chip (U3) is connected to the 1 st pin and the 13 th pin of the main control chip (U1).
6. The portable loudspeaker with voice prompt function of claim 1, characterized in that: the control switch group circuit (36) comprises a plurality of switch button keys, and the signal end of the control switch group circuit (36) is connected to the 3 rd pin and the 13 th pin of the main control chip (U1).
7. The portable loudspeaker with voice prompt function of claim 1, characterized in that: the voice acquisition end of the voice acquisition circuit (37) is connected to the 14 th and 16 th pins of the main control chip (U1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020683809.XU CN211792027U (en) | 2020-04-29 | 2020-04-29 | Portable loudspeaker with voice prompt function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020683809.XU CN211792027U (en) | 2020-04-29 | 2020-04-29 | Portable loudspeaker with voice prompt function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211792027U true CN211792027U (en) | 2020-10-27 |
Family
ID=72957370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020683809.XU Active CN211792027U (en) | 2020-04-29 | 2020-04-29 | Portable loudspeaker with voice prompt function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211792027U (en) |
-
2020
- 2020-04-29 CN CN202020683809.XU patent/CN211792027U/en active Active
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