Display control system for mobile loudspeaker box
Technical Field
The utility model relates to a mobile sound box, in particular to a display control system for the mobile sound box.
Background
When outdoor activities are carried out, square dances are prosodic dances which are carried out on open spaces such as squares, court dams and the like by residents spontaneously with body building as purposes, sound equipment is often used, and in order to facilitate music appreciation, people often use mobile sounds, and the portable music machine has the characteristics of being convenient to carry and capable of enjoying music at any time. But ordinary sound equipment is usually bulky, inconvenient carrying, and current audio amplifier does not have the function of demonstration, does not have to consult the screen, is difficult to master the rhythm of dance and song. The visual feeling is general, more and better visual effect experience can not be provided for users, the current portable audio function is single, and the increasing practical use demands of people can not be met.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a display control system for a mobile speaker, so as to solve the above-mentioned problems of the prior art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a remove audio amplifier with display control system, includes display circuit, encoder module, fortune amplifying circuit and control circuit, control circuit respectively with display circuit the encoder module with fortune amplifying circuit electric connection, the encoder module is provided with first encoder circuit and second encoder circuit, control circuit is provided with connector CN1 and connector CN1A, connector CN1 and connector CN1A electric connection, fortune amplifying circuit is provided with operational amplifier U1A and operational amplifier U1B, operational amplifier U1A and operational amplifier U1B electric connection.
As a further improvement of the utility model: the display circuit is provided with a light emitting device OLED1, a1 st pin of the light emitting device OLED1 is connected with a 12 pin of a connector CN1, a2 nd pin of the light emitting device OLED1 is connected with a 11 pin of the connector CN1, a 3 rd pin of the light emitting device OLED1 is connected with one end of a capacitor C3, the other end of the capacitor C3 is grounded, and a 4 th pin of the light emitting device OLED1 is grounded.
As a further improvement of the utility model: the 3 rd pin of connector CN1 is inserted to operational amplifier U1A's of operational amplifier circuit 2 nd pin, operational amplifier U1A's 3 rd pin connecting resistance R15, resistance R16 and operational amplifier U1B's 6 th pin, the other end ground connection of resistance R16, operational amplifier U1A's 4 th pin ground connection, 3V3 power is connected to resistance R15 and operational amplifier U1A's 8 th pin, operational amplifier U1A's 1 st pin connecting resistance R17, the 5 th pin of operational amplifier U1B and electric capacity C7 and resistance R18 are connected to resistance R17, the other end ground connection of electric capacity C7, electric capacity R18 connects operational amplifier U1B's 7 th pin and resistance R19, the base of triode Q1 is connected to resistance R19, triode Q1's projecting pole ground connection, triode Q1's collecting electrode connects connector CN1.
As a further improvement of the utility model: the first encoder circuit is provided with encoder BMQ1, encoder BMQ 1's 1 st foot is connected with electric capacity C1, encoder BMQ 1's 2 nd foot ground connection, encoder BMQ 1's 3 rd foot is connected with electric capacity C2, electric capacity C1 and electric capacity C2's the other ground connection, encoder BMQ 1's 4 th foot ground connection, encoder BMQ 1's 5 th foot access connector CN 1's B7 pin.
As a further improvement of the utility model: the second encoder circuit is provided with encoder BMQ2, encoder BMQ 2's 1 st foot is connected with electric capacity C4, encoder BMQ 2's 2 nd foot ground connection, encoder BMQ 2's 3 rd foot is connected with electric capacity C5, electric capacity C4 and electric capacity C5's the other ground connection, encoder BMQ 2's 4 th foot ground connection, encoder BMQ 2's 5 th foot access connector CN 1's AD4 pin.
As a further improvement of the utility model: the control circuit has a connector CN1 with a pin 19 connected with one end of a switch K1, the other end of the switch K1 is connected with a pin 3 of the connector CN1, a pin 18 of the connector CN1 is connected with a 3V2 power supply and a capacitor C6, the capacitor C6 is grounded, pins 17 and 16 of the connector CN1 are grounded, a pin 1 of the connector CN1 is connected with one end of a light emitting diode LED1A1, a pin 2 of the connector CN1 is connected with one end of a light emitting diode LED1A2, the light emitting diode LED1A1 and the light emitting diode LED1A2 are connected with each other and grounded, a pin AD3 of the connector CN1 is connected with a resistor R1, a resistor R2 and a switch K3, the other end of the resistor R1 is grounded, the other end of the resistor R2 is connected with a switch K4 and a resistor R3, the other end of the resistor R3 is connected with a switch K5 and a resistor R4, the other end of the resistor R4 is connected with a switch K6 and a resistor R5, the resistor R6 is connected with a switch K8, the AD2 pin of the connector CN1 is connected with a resistor R7, a resistor R8 and a switch K9, the other end of the resistor R8 is connected with a switch K10 and a resistor R9, the other end of the resistor R9 is connected with a switch K11 and a resistor R10, the other end of the resistor R10 is connected with a switch K12 and a resistor R12, the other end of the resistor R11 is connected with a switch K14, the resistor R12 is connected with a switch K14, the switch K3, the switch K4, the switch K35, the switch K6, the switch K7, the switch K8, the switch K9, the switch K10, the switch K11, the switch K12, the switch K13 and the other end of the switch K14 are connected, the other end of the resistor R7 is connected with a power supply of the resistor R3V 3 and the resistor R13, the other end of the resistor R13 is connected with the switch K2 and the AD1 pin of the connector CN1, the other end of the switch K2 is connected with a light emitting diode LED2 and grounded, the other end of the light emitting diode LED2 is connected with the resistor R14, the resistor R14 is connected to the AD0 pin of the connector CN1.
As a further improvement of the utility model: the model of the operational amplifier U1A and the operational amplifier U1B is LM358.
Compared with the prior art, the utility model has the beneficial effects that:
the display control system for the mobile loudspeaker box can effectively realize the display control of the mobile loudspeaker box, the display circuit can play the picture signals, and meanwhile, song information is displayed on the display screen, so that the song information of the current mobile loudspeaker box can be directly observed, better visual effect experience is brought to a user, and the whole LED display system is simpler and more convenient to control.
Drawings
Fig. 1 is a schematic diagram of a control circuit according to the present utility model.
Fig. 2 is a schematic diagram of the operational amplifier circuit of the present utility model.
Fig. 3 is a schematic diagram of a first encoder circuit according to the present utility model.
Fig. 4 is a schematic diagram of a second encoder circuit according to the present utility model.
Fig. 5 is a schematic diagram of a circuit structure according to the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model will now be further described with reference to the accompanying drawings and examples: the utility model provides a remove audio amplifier with display control system, includes display circuit, encoder module, fortune amplifying circuit and control circuit, control circuit respectively with display circuit the encoder module with fortune amplifying circuit electric connection, the encoder module is provided with first encoder circuit and second encoder circuit, control circuit is provided with connector CN1 and connector CN1A, connector CN1 and connector CN1A electric connection, fortune amplifying circuit is provided with operational amplifier U1A and operational amplifier U1B, operational amplifier U1A and operational amplifier U1B electric connection. The display control system for the mobile loudspeaker box can effectively realize the display control of the mobile loudspeaker box, the display circuit can play the picture signals, and meanwhile, song information is displayed on the display screen, so that the song information of the current mobile loudspeaker box can be directly observed, better visual effect experience is brought to a user, and the whole LED display system is simpler and more convenient to control.
The display circuit is provided with a light emitting device OLED1, a1 st pin of the light emitting device OLED1 is connected with a 12 pin of a connector CN1, a2 nd pin of the light emitting device OLED1 is connected with a 11 pin of the connector CN1, a 3 rd pin of the light emitting device OLED1 is connected with one end of a capacitor C3, the other end of the capacitor C3 is grounded, and a 4 th pin of the light emitting device OLED1 is grounded.
The 3 rd pin of connector CN1 is inserted to operational amplifier U1A's of operational amplifier circuit 2 nd pin, operational amplifier U1A's 3 rd pin connecting resistance R15, resistance R16 and operational amplifier U1B's 6 th pin, the other end ground connection of resistance R16, operational amplifier U1A's 4 th pin ground connection, 3V3 power is connected to resistance R15 and operational amplifier U1A's 8 th pin, operational amplifier U1A's 1 st pin connecting resistance R17, the 5 th pin of operational amplifier U1B and electric capacity C7 and resistance R18 are connected to resistance R17, the other end ground connection of electric capacity C7, electric capacity R18 connects operational amplifier U1B's 7 th pin and resistance R19, the base of triode Q1 is connected to resistance R19, triode Q1's projecting pole ground connection, triode Q1's collecting electrode connects connector CN1.
The first encoder circuit is provided with encoder BMQ1, encoder BMQ 1's 1 st foot is connected with electric capacity C1, encoder BMQ 1's 2 nd foot ground connection, encoder BMQ 1's 3 rd foot is connected with electric capacity C2, electric capacity C1 and electric capacity C2's the other ground connection, encoder BMQ 1's 4 th foot ground connection, encoder BMQ 1's 5 th foot access connector CN 1's B7 pin.
The second encoder circuit is provided with encoder BMQ2, encoder BMQ 2's 1 st foot is connected with electric capacity C4, encoder BMQ 2's 2 nd foot ground connection, encoder BMQ 2's 3 rd foot is connected with electric capacity C5, electric capacity C4 and electric capacity C5's the other ground connection, encoder BMQ 2's 4 th foot ground connection, encoder BMQ 2's 5 th foot access connector CN 1's AD4 pin.
The control circuit has a connector CN1 with a pin 19 connected with one end of a switch K1, the other end of the switch K1 is connected with a pin 3 of the connector CN1, a pin 18 of the connector CN1 is connected with a 3V2 power supply and a capacitor C6, the capacitor C6 is grounded, pins 17 and 16 of the connector CN1 are grounded, a pin 1 of the connector CN1 is connected with one end of a light emitting diode LED1A1, a pin 2 of the connector CN1 is connected with one end of a light emitting diode LED1A2, the light emitting diode LED1A1 and the light emitting diode LED1A2 are connected with each other and grounded, a pin AD3 of the connector CN1 is connected with a resistor R1, a resistor R2 and a switch K3, the other end of the resistor R1 is grounded, the other end of the resistor R2 is connected with a switch K4 and a resistor R3, the other end of the resistor R3 is connected with a switch K5 and a resistor R4, the other end of the resistor R4 is connected with a switch K6 and a resistor R5, the resistor R6 is connected with a switch K8, the AD2 pin of the connector CN1 is connected with a resistor R7, a resistor R8 and a switch K9, the other end of the resistor R8 is connected with a switch K10 and a resistor R9, the other end of the resistor R9 is connected with a switch K11 and a resistor R10, the other end of the resistor R10 is connected with a switch K12 and a resistor R12, the other end of the resistor R11 is connected with a switch K14, the resistor R12 is connected with a switch K14, the switch K3, the switch K4, the switch K35, the switch K6, the switch K7, the switch K8, the switch K9, the switch K10, the switch K11, the switch K12, the switch K13 and the other end of the switch K14 are connected, the other end of the resistor R7 is connected with a power supply of the resistor R3V 3 and the resistor R13, the other end of the resistor R13 is connected with the switch K2 and the AD1 pin of the connector CN1, the other end of the switch K2 is connected with a light emitting diode LED2 and grounded, the other end of the light emitting diode LED2 is connected with the resistor R14, the resistor R14 is connected to the AD0 pin of the connector CN1.
The model of the operational amplifier U1A and the operational amplifier U1B is LM358.
In view of the above, after reading the present document, those skilled in the art should make various other corresponding changes without creative mental effort according to the technical scheme and the technical conception of the present utility model, which are all within the scope of the present utility model.