A device and control method for producing melodic sounds by using multiple air horns to emit sounds at intervals

Abstract

The present invention relates to a device and a control method for producing melodic sounds by using multiple air horns to produce sounds at intervals, including a DC power supply and an air supply pipeline. The air supply pipeline is fixedly connected to multiple switch valves, and the air inlet of the switch valve is communicated with the air supply pipeline. The device is characterized in that the air outlet of the switch valve is connected to air horns of different sizes and diameters, and the switch valve is connected to a control box via a wire. The control box is provided with a control circuit board electrically connected to each group of air horns. The control circuit board drives the air horns to produce melodic sounds at intervals through a driving circuit. The switch valve is connected to multiple air horns of different sizes and diameters to produce sounds of different scales. The sound emission interval is controlled by the control circuit board provided in the control box to produce multiple rhythms, so that the air horns produce multiple melodies. The device can be applied to a variety of different occasions.

Description

Technical Field

[0001] The present invention relates to the field of air horns, and in particular to a device and a control method for producing melodic sounds by using a plurality of air horns to generate sounds at intervals. Background Art

[0002] The electric air horn uses a DC motor air pump to generate compressed air, which is then introduced into the air horn's sounding device through a flame-retardant hose to produce a sound. The sound is then amplified through the sound amplifier to achieve the purpose of warning and admonishment. The electric air horn consists of two to four or even more horn tubes. The air pressure is provided by the car's own air pump. The car horn switch is connected to the electronic control switch to

[0003] And control the length of time the air horn whistles.

[0004] The publication number is: CN215621688U discloses a truck and its air horn assembly including: an air horn, a switch valve, the main body of the switch valve is fixedly connected to the air horn, and the air outlet of the switch valve is connected to the air horn; an air supply pipe, the first end of the air supply pipe is connected to the air source, and the second end of the air supply pipe is connected to the air inlet of the switch valve; a pressure regulating valve, the pressure regulating valve is installed on the air supply pipe and the pressure regulating valve is located upstream of the switch valve, the pressure regulating valve is used to adjust the gas pressure inside the air supply pipe downstream of the pressure regulating valve, and the volume of the air horn can be adjusted as needed, but the practical control method is single, and the sound emitted cannot be changed according to different scenarios, so this practical still has a certain room for modification. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to address the deficiencies of the above-mentioned prior art and provide a device and a control method for producing melodic sounds by using multiple air horns to emit sounds at intervals.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solution: a device for producing melodic sounds by using multiple air horns to produce sounds at intervals, comprising a DC power supply and an air supply pipe, wherein the air supply pipe is fixedly connected to multiple switch valves, and the air inlet of the switch valve is communicated with the air supply pipe, and is characterized in that: the air outlet of the switch valve is connected to air horns of different sizes and diameters, and the switch valve is connected to a control box via a wire, and the control box is provided with a control circuit board electrically connected to each group of air horns, and the control circuit board drives the air horns to produce sounds at intervals to form melodic sounds through a driving circuit.

[0007] Using the above technical solution, the switch valve is connected to a control box that can control the horn. The control box has a programmable control circuit board. Due to the different sizes and diameters of the air horns, the frequency sounds produced are different. The code that controls the opening and closing time of each switch valve is provided in the program to give the control circuit board a driving signal, so that the control circuit board drives the air horn corresponding to each switch valve to sound at different time intervals, forming a variety of different melodies.

[0008] The device for emitting melodic sounds by using multiple air horns at intervals can be further configured as follows: the control circuit board includes the DC power supply connected to a signal control circuit for realizing remote control through a wire, and its output end is connected to a single-chip microcomputer controller IC1 with a programmable control wire. A trigger circuit that can convert a pulse signal into a trigger signal is also provided between the output end of the signal control circuit and the single-chip microcomputer controller IC1, and a plurality of speaker output circuits with the same structure are connected to the port of the single-chip microcomputer controller IC1 through a wire, and a button switch for controlling the up and down songs is connected to the single-chip microcomputer controller IC1 through a wire.

[0009] By adopting the above technical solution, the DC power supply is turned on and the corresponding current is given to the circuit board, so that the signal control circuit starts working, realizing the signal control circuit of remotely controlling the function of the single-chip controller IC1 by remote control. Its output end provides a stable trigger control signal input to the single-chip controller IC1 through the trigger circuit. The internal program of the single-chip controller IC1 is controlled by remote control to drive the speaker output circuit, so that the sound intervals of speakers of different diameters form a variety of different melodies. A button switch is also connected to the single-chip controller IC1, and the upper and lower tracks can be controlled by physical buttons when necessary.

[0010] The device for emitting melodic sounds by using multiple air horns to emit sounds at intervals can be further configured as follows: the signal control circuit includes a three-terminal voltage regulator tube 78M05 provided at one end of the DC power supply to provide working current for the single-chip controller IC1; three current-limiting first resistors R1, second resistors R2, and third resistors R3 are provided between the output end of the DC power supply and the input end of the three-terminal voltage regulator tube 78M05; the input and output ends of the three-terminal voltage regulator tube 78M05 are respectively provided with a first filter capacitor C3 and a second filter capacitor C4; the output end of the three-terminal voltage regulator tube 78M05 is connected in series with a signal receiver J1 that receives remote control signals; and the signal receiver J1 is connected to the single-chip controller IC1.

[0011] Using the above technical solution, the DC power supply provides working current for the signal receiver J1 through three current-limiting resistors R1, R2, R3, filter capacitors C3, C4 and a three-terminal voltage regulator 78M05. The output end of the signal receiver J1 is connected to the microcontroller controller IC1 to control the internal program of the microcontroller controller IC1 to achieve remote control of the speaker.

[0012] The device for producing melodic sounds by using multiple air horns to emit sounds at intervals may be further configured such that: the trigger circuit includes a positive trigger branch and a negative trigger branch.

[0013] By adopting the above technical solution, the trigger circuit is divided into positive and negative trigger branches, which can be connected to different trigger DC power supplies according to different vehicle models, thus achieving adaptation to multiple vehicle models.

[0014] The device for emitting melodic sounds by using multiple air horns to emit sounds at intervals can be further configured as follows: the positive trigger branch includes a transistor Q9 connected to the positive electrode of the DC power supply for emitting a control signal, a first voltage stabilizing diode D5 connected between the transistor Q9 and the ground terminal for voltage stabilization, a third filter capacitor C7 connected in parallel between the first voltage stabilizing diode D5 and the single-chip controller IC1, and a first voltage dividing resistor R6 and a second voltage dividing resistor R7, as well as a second voltage stabilizing diode D4 and a first rectifier diode D2, between the positive electrode of the DC power supply and the third filter capacitor C7.

[0015] With the above technical solution, when the trigger circuit is triggered by the positive electrode, the current is directly passed through D4 and D2, divided by R6 and R7, stabilized by D5 and filtered by C7 to obtain a 5V voltage which is triggered by transistor Q9 to control the microcontroller controller IC1.

[0016] The device for emitting melodic sounds by using multiple air horns to emit sounds at intervals can be further configured as follows: the negative trigger branch includes a second rectifier diode D3 and a third voltage-dividing resistor R4 provided between the negative electrode of the DC power supply and the transistor Q9, and a pressure-reducing capacitor C6 and a fourth voltage-dividing resistor R5 provided between the third voltage-dividing resistor R4 and the transistor Q9.

[0017] With the above technical solution, when the trigger circuit is triggered by the negative electrode, the signal is amplified by transistor Q9 through rectification by D3, pressure reduction by voltage-dividing resistors R4 and R5, and pressure-reducing capacitor C6, and then filtered by the third filter capacitor C7 to be sent to the microcontroller controller IC1, thereby triggering the control microcontroller controller IC1.

[0018] The device for emitting melodic sounds by using multiple air horns to emit sounds at intervals can be further configured as follows: the horn output circuit includes a port of the single-chip controller IC1 connected to a MOS tube driver device Q1 that drives a switch valve, the MOS tube driver device Q1 is connected to the switch valve, and a first current limiting resistor R11 and a second current limiting resistor R12 are further provided between the MOS tube driver device Q1 and the single-chip controller IC1.

[0019] By adopting the above technical solution, the single chip controller IC1 controls the MOS tube driver device to drive the switch valve through the internal program, thereby controlling the sound time of the connected speaker, thereby generating different melodies and different working scenarios.

[0020] The control method using the above-mentioned control device is characterized in that: the DC power supply provides a 12 / 24V voltage which is converted into a 5V working voltage required by the signal receiver J1 and the single-chip controller J1 through a three-terminal voltage regulator tube 78M05. A trigger circuit is also provided between the signal receiver J1 and the single-chip controller J1 to provide the single-chip controller J1 with a trigger pulse that meets the requirements. The single-chip controller J1 receives the pulse signal from the trigger circuit and, under the control of the internal program of the single-chip controller J1, drives the switch valve to open and close time, so that the corresponding air horn emits a melody sound.

[0021] The beneficial effects of the present invention are as follows: the switch valve is connected to a plurality of speakers of different sizes and diameters to produce sounds of different scales. The sound emission interval is controlled by the control circuit board provided in the control box to generate a variety of rhythms, so that the air horn emits a variety of melodies, which can be applied to a variety of different occasions. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the installation of the present invention

[0023] Figure 2 This is the internal structure diagram of the control box of the present invention

[0024] Figure 3 This is the circuit diagram of the control circuit board of the present invention

[0025] Figure 4 Schematic diagram of the present invention

[0026] Figure 5 This is the program control principle diagram of the present invention

[0027] In the figure, 1-air supply pipe, 2-switch valve, 3-air horn, 4-control box, 5-control circuit board, 6-switchable protective net, 7-partition, 8-limiter, IC1 single-chip microcomputer controller, 78M05 three-terminal voltage regulator, R1 first resistor, R2 second resistor, R3 third resistor, C3 first filter capacitor, C4 second filter capacitor, J1 signal receiver, Q9 transistor, D5 first voltage regulator diode, C7 third filter capacitor, R6 first voltage divider resistor, R7 second voltage divider resistor, D4 second voltage regulator diode, D2 first rectifier diode, D3 second rectifier diode, R4 third voltage divider resistor, C6 pressure reducing capacitor, R5 fourth voltage divider resistor, Q1MOS tube driver device, R11 first current limiting resistor, R12 second current limiting resistor. DETAILED DESCRIPTION

[0028] This specific embodiment is merely an explanation of the present invention and is not intended to limit the present invention. After reading this specification, those skilled in the art may make non-creative modifications to this embodiment as needed. However, as long as such modifications are within the scope of the claims of the present invention, they are protected by patent law.

[0029] like Figure 1-2 The device shown is a device that uses multiple air horns to emit melodic sounds at intervals, a device that uses multiple air horns to emit melodic sounds at intervals and a control method, including a DC power supply, an air supply pipe 1, the air supply pipe 1 is fixedly connected to multiple switch valves 2, the air inlet of the switch valve 2 is connected to the air supply pipe 1, and is characterized in that: the air outlet of the switch valve 2 is connected to air horns 3 of different sizes and diameters, the switch valve 2 is connected to a control box 4 through a wire, the control box 4 is provided with a control circuit board 5 electrically connected to each group of air horns 3, the control circuit board 5 drives the air horns 3 to emit melodic sounds at intervals through a driving circuit, the switch valves 2 are connected to the control box 4 that can control the air horns 3, the control box 4 has a programmable control circuit board 5, due to the different sizes and diameters of the air horns 3, the frequency sounds generated are different, and a signal is given to the control circuit board 5 through a program, and the control circuit board 5 drives the air horns 3 to emit sounds at intervals to form a variety of different melodic sounds.

[0030] like Figure 3-5The device shown uses multiple air horns to emit melodic sounds at intervals. The control circuit board includes a DC power supply connected to a signal control circuit that can be remotely controlled via a wire. The output end of the signal control circuit is connected to a programmable control microcontroller controller IC1 via a wire. A trigger circuit that can convert a pulse signal into a trigger signal is also provided between the output end of the signal control circuit and the microcontroller controller IC1. The port of the microcontroller controller IC1 is connected to a plurality of speaker output circuits with the same structure via a wire. The microcontroller controller IC1 is connected to a button switch that controls the upper and lower songs via a wire. When the DC power supply is turned on, the corresponding current is applied to the circuit board, causing the signal control circuit to start working, thereby realizing the signal of remotely controlling the functions of the microcontroller IC1 controller via a remote control. The control circuit has an output end that provides a stable trigger control signal to the single-chip controller IC1 through a trigger circuit, and drives the output circuit of the air horn 3 through remote control of the internal program of the single-chip controller IC1, so that the sound intervals of the air horns 3 of different diameters form a variety of different melodies. A button switch is also connected to the single-chip controller IC1, and the upper and lower tracks can be controlled by physical buttons when necessary. The signal control circuit includes a three-terminal voltage regulator tube 78M05 connected in series with the DC power supply output to provide working current for the single-chip controller IC1. Three current-limiting first resistors R1, second resistors R2, and third resistors R3 are provided between the output end of the DC power supply and the input end of the three-terminal voltage regulator tube 78M05. The three-terminal voltage regulator tube The input and output ends of 78M05 are respectively provided with a first filter capacitor C3 and a second filter capacitor C4. The output end of the three-terminal voltage regulator tube 78M05 is connected in series with a signal receiver J1 that receives the remote control signal. The signal receiver J1 is connected to the single-chip controller IC1. The DC power supply cooperates with three current-limiting resistors R1, R2, R3, filter capacitors C3, C4 and the three-terminal voltage regulator tube 78M05 to provide working current for the signal receiver J1. The output end of the signal receiver J1 is connected to the single-chip controller IC1 to control the internal program of the single-chip controller IC1 to realize remote control of the speaker. The trigger circuit includes a positive trigger branch and a negative trigger branch. When the trigger circuit is triggered by the positive electrode, the current is directly passed through D4 and D2 by R6. , R7 divides the voltage, D5 stabilizes the voltage, and C7 filters to obtain a 5V voltage, which is triggered by transistor Q9 to control the single-chip controller IC1. When the trigger circuit is triggered by the negative electrode, the signal is amplified by transistor Q9 through rectification by D3, pressure reduction by the voltage-dividing resistors R4 and R5, and the pressure-reducing capacitor C6, and then filtered by the third filter capacitor C7 to send the signal to the single-chip controller IC1, thereby triggering the control of the single-chip controller IC1. The speaker output circuit includes a MOS tube driver device Q1 with a driving switch valve connected to the port of the single-chip controller IC1. The MOS tube driver device Q1 is connected to the switch valve. A first current limiting resistor R11 and a second current limiting resistor R12 are also provided between the MOS tube driver device Q1 and the single-chip controller IC1.The single chip controller IC1 controls the MOS tube driver device to drive the switch valve through the internal program to control the sound time of the connected speaker, thereby producing different melodies and different working scenes.

[0031] like Figure 3-5 A method for using multiple air horns to emit melodic sounds at intervals is shown, characterized in that: the DC power supply provides a 12 / 24V voltage that is converted into the 5V operating voltage required by the signal receiver J1 and the single-chip controller J1 through a three-terminal voltage regulator tube 78M05. A trigger circuit is also provided between the signal receiver J1 and the single-chip controller J1 to provide the single-chip controller J1 with a trigger pulse that meets the requirements. The single-chip controller J1 receives the pulse signal from the trigger circuit and, under the control of the internal program of the single-chip controller J1, drives the switch valve to open and close the time, so that the corresponding air horn emits a melodic sound.

[0032] The beneficial effects of the present invention are as follows: the switch valve 2 is connected to a plurality of air horns 3 of different sizes and diameters to produce sounds of different scales. The control circuit board 5 provided in the control box 4 controls the intervals of the sounds, generates a variety of rhythms, and enables the air horn 3 to emit a variety of melodies, which can be applied to a variety of different occasions.

Claims

1. A device for producing melodic sounds using multiple air horns at intervals, comprising a DC power supply and an air supply pipeline, wherein the air supply pipeline is fixedly connected to multiple switch valves, and the air inlets of the switch valves are in communication with the air supply pipeline, characterized in that: The air outlet of the switch valve is connected to air horns of different sizes and diameters. The switch valve is connected to a control box through a wire. The control box is provided with a control circuit board electrically connected to each group of air horns. The control circuit board drives the air horns to sound at intervals through a driving circuit to form a melody. The control circuit board includes a DC power supply connected to a signal control circuit for realizing remote control through a wire. The output end of the DC power supply is connected to a programmable control single-chip controller IC1 through a wire. A trigger circuit that can convert a pulse signal into a trigger signal is also provided between the output end of the signal control circuit and the single-chip controller IC1. A plurality of speaker output circuits with the same structure are connected to the port of the single-chip controller IC1 through a wire. A button switch for controlling the up and down music is connected to the single-chip controller IC1 through a wire. The signal control circuit includes a three-terminal voltage regulator tube 78M05 at one end of the DC power supply to provide working current for the single-chip controller IC1. The output end of the DC power supply is connected to the three-terminal Three current-limiting resistors, a first resistor R1, a second resistor R2, and a third resistor R3, are provided between the input ends of the voltage regulator tube 78M05. The input and output ends of the three-terminal voltage regulator tube 78M05 are respectively provided with a first filter capacitor C3 and a second filter capacitor C4. The output end of the three-terminal voltage regulator tube 78M05 is connected in series with a signal receiver J1 that receives remote control signals. The signal receiver J1 is connected to the single-chip controller IC1. The trigger circuit includes a positive trigger branch and a negative trigger branch. The positive trigger branch includes a transistor Q9 that sends a control signal and is connected to the positive electrode of the DC power supply. A first voltage regulator diode D5 is connected between the transistor Q9 and the ground end for voltage stabilization. A third filter capacitor C7 is connected in parallel between the first voltage regulator diode D5 and the single-chip controller IC1. A first voltage divider resistor R6 and a second voltage divider resistor R7, as well as a second voltage regulator diode D4 and a first rectifier diode D2 are also provided between the positive electrode of the DC power supply and the third filter capacitor C7.

2. The device for producing melodic sounds by using multiple air horns to emit sounds at intervals according to claim 1, characterized in that: The negative trigger branch includes a second rectifier diode D3 and a third voltage-dividing resistor R4 provided between the negative electrode of the DC power supply and the transistor Q9, and a pressure-reducing capacitor C6 and a fourth voltage-dividing resistor R5 provided between the third voltage-dividing resistor R4 and the transistor Q9.

3. The device for producing melodic sounds by using multiple air horns to emit sounds at intervals according to claim 2, characterized in that: The speaker output circuit includes a MOS tube driver device Q1 connected to a port of the single-chip controller IC1 for driving a switch valve. The MOS tube driver device Q1 is connected to the switch valve. A first current limiting resistor R11 and a second current limiting resistor R12 are also provided between the MOS tube driver device Q1 and the single-chip controller IC1.

4. A control method using the device according to any one of claims 1 to 3, characterized in that: (1) The DC power supply provides 12 / 24V voltage which is converted into the working voltage required by the signal receiver J1 and the microcontroller controller IC1 through components; (2) The current is processed by the trigger circuit and provided to the microcontroller controller IC1 as the pulse signal required; (3) The single-chip microcomputer controller J1 receives the pulse signal from the trigger circuit, and drives the switch valve to open and close under the control of the internal program of the single-chip microcomputer controller J1, so that the air horn corresponding to each switch valve can emit a melody sound together.

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