CN216146452U - Multi-functional touch-control induction circuit and audio amplifier - Google Patents
Multi-functional touch-control induction circuit and audio amplifier Download PDFInfo
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- CN216146452U CN216146452U CN202121199854.9U CN202121199854U CN216146452U CN 216146452 U CN216146452 U CN 216146452U CN 202121199854 U CN202121199854 U CN 202121199854U CN 216146452 U CN216146452 U CN 216146452U
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Abstract
The utility model belongs to the technical field of touch control induction, and particularly relates to a multifunctional touch control induction circuit, which comprises a power supply circuit and also comprises: the audio signal input circuit is connected with an external audio player and used for inputting audio signals; the master control circuit is connected with the power supply circuit and the audio signal input circuit; the touch sensing circuit is connected with the power supply circuit and the master control circuit; the light indicating circuit is connected with the power supply circuit and the main control circuit; the playing decoding circuit is connected with the power supply circuit and the main control circuit and is used for controlling the playing of music; the user can operate through touch and send a signal instruction to the main control circuit, so that the light mode can be switched by touch, the audio can be played and paused by touch, and the high practicability is achieved.
Description
Technical Field
The utility model belongs to the technical field of sound boxes, and particularly relates to a multifunctional touch control induction circuit.
Background
The sound box is a device capable of converting an audio signal into sound, namely, a power amplifier is arranged in a box body of a main sound box body, and the sound box body emits sound after the audio signal is amplified, so that the sound of the sound box body is increased. A conventional sound box.
At present, along with the place increase of the use of audio amplifier, can use audio amplifier, square dance and use audio amplifier etc. like outdoor performance with audio amplifier, indoor singing, and in the use place of difference, the use quantity of audio amplifier can increase to some extent. However, most of existing sound boxes are operated by keys, the keys are loosened after being pressed for many times, and the sound box light mode switching steps are complex and single, so that the user experience is greatly influenced. Therefore, it is necessary to provide a touch control light adjusting circuit and a sound box.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multifunctional touch sensing circuit, and aims to solve the technical problem that in the prior art, the user experience is reduced due to the fact that a traditional key is easy to loosen and the lighting mode switching step is complicated and single.
To achieve the above object, an embodiment of the present invention provides a multifunctional touch sensing circuit, which includes a power supply circuit, and further includes: the audio signal input circuit is connected with an external audio player and used for inputting audio signals; the master control circuit is connected with the power supply circuit and the audio signal input circuit; the touch sensing circuit is connected with the power supply circuit and the master control circuit; the light indicating circuit is connected with the power supply circuit and the main control circuit; the playing decoding circuit is connected with the power supply circuit and the main control circuit and is used for controlling the playing of music.
Optionally, the main control circuit includes a main control chip, the main control chip is connected to the audio signal input circuit, the touch sensing circuit, the light indication circuit and the play decoding circuit, and the main control chip is further connected to the power supply circuit.
Optionally, the touch sensing circuit includes a touch sensing chip and a first triode, the touch sensing chip is connected to the power supply circuit, the touch sensing chip is further connected to the first triode, and the first triode is connected to the main control chip.
Optionally, the play decoding circuit includes a play decoding chip, a first pin of the play decoding chip is connected to the power supply circuit, a second pin of the play decoding chip is connected to the second pin of the main control chip, a third pin of the play decoding chip is connected to a sixth pin of the main control chip, and a fourth pin and a fifth pin of the play decoding chip are grounded.
Optionally, the light indication circuit comprises a plurality of LED lamp beads, and the LED lamp beads are connected in sequence, and the LED lamp beads are connected with the power supply circuit and the main control chip.
Optionally, the audio signal input circuit includes a first diode, a second diode, a left channel connection end and a right channel connection end; the first diode is connected with the main control chip, the left sound channel connecting end is connected with the first diode, the left sound channel connecting end is connected with the external audio player and used for inputting left sound channel audio signals, the second diode is connected with the main control chip, the second diode is further connected with the right sound channel connecting end, and the right sound channel connecting end is connected with the external audio player.
Optionally, the power supply circuit includes a first power supply end and a first power supply chip, the first power supply end is used for being connected with an external power supply device, a fifth pin of the first power supply chip is connected with the first power supply end, and the first pin of the first power supply chip is connected with the fifth pin of the touch sensing chip.
Optionally, the power supply circuit is further connected with a current limiting circuit, the current limiting circuit includes a fourth diode and a fifth resistor, an anode of the fourth diode is connected with the first power supply end, a cathode of the fourth diode is connected with one end of the fifth resistor, and the other end of the fifth resistor is connected with the LED lamp bead.
Optionally, a fifth capacitor is disposed between the first pin and the eighth pin of the main control chip.
One or more technical solutions in the multifunctional touch sensing circuit provided by the embodiment of the present invention at least have one of the following technical effects:
according to the utility model, the main control circuit is connected with the light indicating circuit and the playing decoding circuit, and the touch sensing circuit controls the main control circuit, so that a user can operate through finger touch and send a signal instruction to the main control circuit, thereby realizing that the light mode can be switched in a touch manner, and the audio frequency can be played and paused in a touch manner, and the high practicability is achieved.
The utility model also provides a sound box which is provided with the touch control light adjusting circuit.
One or more technical solutions in a sound box provided by the embodiment of the present invention have at least one of the following technical effects:
because the sound box comprises the touch control light adjusting circuit, the sound box can also realize the functions of switching light modes and playing pause audio by touch control in the using process of the sound box, and the interestingness of the sound box is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic circuit diagram of a multifunctional touch sensing circuit according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
power supply circuit-100 current limiting circuit-110 touch sensing circuit-200
Audio signal input circuit-300 light indicating circuit-400 main control circuit-500
Play decoding circuit-600
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1, a multifunctional touch sensing circuit 200 is provided, which includes a power supply circuit 100, an audio signal input circuit 300, a light indication circuit 400, a play decoding circuit 600, a main control circuit 500, and a touch sensing circuit 200. The audio signal input circuit 300 is connected to an external audio player for inputting audio signals; the main control circuit 500 is connected with the power supply circuit 100 and the audio signal input circuit 300; the touch sensing circuit 200 is connected to the power supply circuit 100 and the main control circuit 500; the light indicating circuit 400 is connected with the power supply circuit 100 and the main control circuit 500; the playing decoding circuit 600 is connected to the power supply circuit 100 and the main control circuit 500, and the playing decoding circuit 600 is used for controlling the playing of music.
According to the utility model, the main control circuit 500 is connected with the light indication circuit 400 and the playing decoding circuit 600, and the touch sensing circuit 200 controls the main control circuit 500, so that a user can operate through finger touch and send a signal instruction to the main control circuit 500, thereby realizing that the light mode can be switched in a touch manner, and the audio can be played and paused in a touch manner, and the utility model has extremely high practicability.
Specifically, in another embodiment of the present invention, as shown in fig. 1, the main control circuit 500 includes a main control chip U2, the main control chip U2 is connected to the audio signal input circuit 300, the touch sensing circuit 200, the light indicating circuit 400 and the playing decoding circuit 600, the main control chip U2 is further connected to the power supply circuit 100, and a fifth capacitor is disposed between the first pin and the eighth pin of the main control chip U2.
Specifically, in another embodiment of the present invention, as shown in fig. 1, the touch sensing circuit 200 includes a touch sensing chip U3 and a first transistor Q1, the touch sensing chip U3 is connected to the power supply circuit 100, the touch sensing chip U3 is further connected to the first transistor Q1, and the first transistor Q1 is connected to the main control chip U2. When the touch sensing chip U3 detects a touch of a user, the touch sensing chip U3 sends an electrical signal to the first triode Q1 to turn on the first triode Q1, so that the main control chip U2 controls the light indication circuits 400 to realize a light effect when the light indication circuits are turned on or off, and controls the play decoding circuit 600 to execute an audio play or pause instruction.
Specifically, in another embodiment of the present invention, as shown in fig. 1, the playing decoding circuit 600 includes a playing decoding chip U4, a first pin of the playing decoding chip U4 is connected to the power supply circuit 100, a second pin of the playing decoding chip U4 is connected to a second pin of the main control chip U2, a third pin of the playing decoding chip U4 is connected to a sixth pin of the main control chip U2, and a fourth pin and a fifth pin of the playing decoding chip U4 are grounded. Through setting up play decoding chip U4, just U4 connects master control chip U2, touch-control induction chip U3 is connected master control chip U2, and the user can make through finger touch-control induction chip U3 send signal extremely master control chip U2, and then by master control chip U2 discerns the touch signal, and send with this touch signal corresponding control signal extremely in the play decoding chip U4, by play decoding chip U4 sends the control command of playing or pause audio frequency.
Specifically, in another embodiment of the present invention, as shown in fig. 1, the light indication circuit 400 includes a plurality of LED lamp beads, and the plurality of LED lamp beads are connected in sequence, and the LED lamp beads are connected to the power supply circuit 100 and the main control chip U2. Because it is a plurality of LED lamp pearl connects gradually, just the input of LED lamp pearl with main control chip U2's fifth pin is connected, receives main control chip U2's control signal changes the light mode, improves the interest of product. Further, since the main control chip U2 controls the LED lamp bead, the touch sensing chip U3 can also control the light mode of the LED lamp bead through the main control chip U2, thereby realizing that the light mode of the LED can be changed by a user in a touch manner.
Specifically, IN another embodiment of the present invention, as shown IN fig. 1, the audio signal input circuit 300 includes a first diode D1, a second diode D2, a left channel connection terminal L-IN, and a right channel connection terminal R-IN; the first diode D1 with master control chip U2 is connected, left channel link L-IN with first diode D1 is connected, left channel link L-IN with external audio player connects for input left channel audio signal, second diode D2 with master control chip U2 is connected, second diode D2 still with right channel link R-IN is connected, right channel link R-IN with external audio player connects. The external audio player is configured to provide an audio signal to be adjusted, that is, the audio signal to be adjusted provided by the external audio player is adjusted under the control of the main control chip U2.
Specifically, in another embodiment of the present invention, as shown in fig. 1, the power supply circuit 100 includes a first power supply terminal VCC and a first power supply chip U1, the first power supply terminal VCC is used for being connected to an external power supply device, a fifth pin of the first power supply chip U1 is connected to the first power supply terminal VCC, and a first pin of the first power supply chip U1 is connected to a fifth pin of the touch sensing chip U3. Specifically, in this embodiment, the external power supply device is a battery, and the first power supply connection terminal VCC is connected to an external voltage, so as to realize basic power supply of the circuit.
Further, the power supply circuit 100 is further connected to a current limiting circuit 110, the current limiting circuit 110 includes a fourth diode D4 and a fifth resistor R5, the anode of the fourth diode D4 is connected to the first power supply terminal VCC, the cathode of the fourth diode D4 is connected to one end of the fifth resistor R5, and the other end of the fifth resistor R5 is connected to the LED lamp bead. The fifth resistor R5 is connected with the fourth diode D4 in series, so that the current limiting effect is realized, and the stability of the circuit structure is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A multi-functional touch-control induction circuit, includes supply circuit, its characterized in that still includes:
the audio signal input circuit is connected with an external audio player and used for inputting audio signals;
the master control circuit is connected with the power supply circuit and the audio signal input circuit;
the touch sensing circuit is connected with the power supply circuit and the master control circuit;
the light indicating circuit is connected with the power supply circuit and the main control circuit;
the playing decoding circuit is connected with the power supply circuit and the main control circuit and is used for controlling the playing of music.
2. The multifunctional touch sensing circuit of claim 1, wherein the main control circuit comprises a main control chip, the main control chip is connected to the audio signal input circuit, the touch sensing circuit, the light indication circuit and the play decoding circuit, and the main control chip is further connected to the power supply circuit.
3. The multifunctional touch sensing circuit of claim 2, wherein the touch sensing circuit comprises a touch sensing chip and a first triode, the touch sensing chip is connected to the power supply circuit, the touch sensing chip is further connected to the first triode, and the first triode is connected to the main control chip.
4. The multi-functional touch sensing circuit of claim 3, wherein the broadcast decoding circuit comprises a broadcast decoding chip, a first pin of the broadcast decoding chip is connected to the power supply circuit, a second pin of the broadcast decoding chip is connected to a second pin of the main control chip, a third pin of the broadcast decoding chip is connected to a sixth pin of the main control chip, and a fourth pin and a fifth pin of the broadcast decoding chip are grounded.
5. The multifunctional touch sensing circuit of claim 3, wherein the light indication circuit comprises a plurality of LED lamp beads, the LED lamp beads are sequentially connected, and the LED lamp beads are connected with the power supply circuit and the main control chip.
6. The multi-functional touch sensing circuit of claim 2, wherein the audio signal input circuit comprises a first diode, a second diode, a left channel connection terminal, and a right channel connection terminal; the first diode is connected with the main control chip, the left sound channel connecting end is connected with the first diode, the left sound channel connecting end is connected with the external audio player and used for inputting left sound channel audio signals, the second diode is connected with the main control chip, the second diode is further connected with the right sound channel connecting end, and the right sound channel connecting end is connected with the external audio player.
7. The multi-functional touch sensing circuit according to claim 3, wherein the power supply circuit comprises a first power supply terminal and a first power supply chip, the first power supply terminal is used for connecting with an external power supply device, a fifth pin of the first power supply chip is connected with the first power supply terminal, and a first pin of the first power supply chip is connected with a fifth pin of the touch sensing chip.
8. The multifunctional touch sensing circuit of claim 7, wherein the power supply circuit is further connected to a current limiting circuit, the current limiting circuit comprises a fourth diode and a fifth resistor, an anode of the fourth diode is connected to the first power supply terminal, a cathode of the fourth diode is connected to one end of the fifth resistor, and the other end of the fifth resistor is connected to the light indicating circuit.
9. The multi-functional touch sensing circuit of claim 2, wherein a fifth capacitor is disposed between the first pin and the eighth pin of the main control chip.
10. An audio amplifier, characterized in that the audio amplifier has the multifunctional touch sensing circuit of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199854.9U CN216146452U (en) | 2021-05-31 | 2021-05-31 | Multi-functional touch-control induction circuit and audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121199854.9U CN216146452U (en) | 2021-05-31 | 2021-05-31 | Multi-functional touch-control induction circuit and audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216146452U true CN216146452U (en) | 2022-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121199854.9U Active CN216146452U (en) | 2021-05-31 | 2021-05-31 | Multi-functional touch-control induction circuit and audio amplifier |
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| Country | Link |
|---|---|
| CN (1) | CN216146452U (en) |
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2021
- 2021-05-31 CN CN202121199854.9U patent/CN216146452U/en active Active
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