Kazoo with novel structure

Abstract

The utility model provides a kazoo with a novel structure, which comprises a mouthpiece, a flute upper cover and a flute lower cover, the flute upper cover and the flute lower cover are fastened and connected through a screw, the right end part of the flute upper cover and the flute lower cover after being connected is connected with the mouthpiece in a clamping manner, and the inside of the flute upper cover and the flute lower cover after being connected is provided with a clamping groove which is designed in a segmented manner. And electronic devices are clamped and fixed in the clamping grooves from right to left. The kazoo solves the problems that an existing kazoo cannot modify sound, is small in volume and cannot be accompanied and played.

Description

Technical Field

[0001] The utility model belongs to the technical field of musical instruments, and particularly relates to a kazoo with a new structure. Background Art

[0002] Kazoo is a wind instrument among wind instruments and is an ancient instrument. It produces a hoarse sound similar to a saxophone through the sound produced by human humming and amplified by its own diaphragm and resonance tube.

[0003] Application number CN202311827053.6, the invention name is an electric kazoo, including a flute body and a sound module; the flute body is hollow with a cavity, the flute body is provided with a flute mouth connected to the cavity, and the sound module is arranged in the cavity; the sound module includes a circuit board and a sound receiving unit, a sound producing unit and a power supply electrically connected to the circuit board; the circuit board includes an analog-to-digital conversion unit I, a digital signal processing unit, an analog-to-digital conversion unit II and a power amplification unit; when the electric kazoo is in use, the player does not need to drive the flute membrane in the traditional kazoo to produce sound through breath resonance, so the sound can be produced more freely. Moreover, the electric kazoo obtains the player's own pronunciation through the sound receiving unit, and then processes it through the digital signal processing unit and plays it through the sound producing unit, so even if the same electric kazoo is played by different people, different timbre outputs will be produced.

[0004] The above electric kazoo solves the problem of needing breath resonance to play the kazoo, and reduces the difficulty of operating the kazoo, but does not solve the problems of tone adjustment, tone correction, volume adjustment, and accompaniment performance with other electronic devices. Utility Model Content

[0005] The utility model aims to solve the defects of the above-mentioned prior art and provide a kazoo with a new structure to solve the problems that the existing kazoo cannot be tuned, has a low volume and cannot be played with accompaniment.

[0006] The utility model adopts the following technical solutions:

[0007] A new type of kazoo structure comprises a mouthpiece, an upper cover and a lower cover, wherein the upper cover and the lower cover are fastened together by screws, the right end of the upper cover and the lower cover being connected is snap-connected with the mouthpiece, and a segmented slot is provided inside the upper cover and the lower cover after they are connected, and an electronic device is snap-connected and fixed in the slot from right to left.

[0008] The resonance tube is installed in the first slot on the right, and the flute membrane cover is installed on the lower side of the resonance tube. The second slot on the right is installed with the switch, built-in microphone head, and Bluetooth power amplifier intelligent tuning mainboard. The switch is on the upper side of the Bluetooth power amplifier intelligent tuning mainboard, and the built-in microphone head is installed on the right end of the Bluetooth power amplifier intelligent tuning mainboard. Two holes are opened on the side wall after the upper cover and the lower cover of the flute are connected, one of which is designed as a charging port and the other is installed with an indicator light. The battery is installed in the middle slot. The speaker cover is installed in the first slot on the left, and the speaker is installed in the second slot on the left.

[0009] The built-in microphone head is connected to the Bluetooth power amplifier intelligent sound adjustment mainboard, the Bluetooth power amplifier intelligent sound adjustment mainboard is connected to the speaker, the battery is connected to the built-in microphone head, the Bluetooth power amplifier intelligent sound adjustment mainboard, and the speaker through a switch key, the battery is connected to the charging port, and an indicator light is installed in the circuit connecting the battery and the charging port.

[0010] Furthermore, the resonance tube is directly opposite the mouthpiece.

[0011] Furthermore, the switch key includes a power button, a Bluetooth switch key, a volume up key, and a volume down key, and corresponding holes are opened on the upper cover of the flute for installing the switch key.

[0012] Furthermore, when accompaniment is needed, the mobile phone is connected to the Bluetooth amplifier intelligent tuning mainboard.

[0013] Furthermore, the circuit of the switch key is as follows: PC5 is grounded through switch K1, PC4 is grounded through switch K2, USBDM is grounded through switch K3, and PA0 is grounded through switch K4.

[0014] Furthermore, the circuit of the built-in microphone capsule is: MIC-PA1 is connected to one end of capacitor C7, and the other end of capacitor C7 is connected to the positive electrode of MIC and input PA2.

[0015] Furthermore, the circuit of the Bluetooth power amplifier intelligent tuning motherboard is as follows: the PC5 port of the main control board SSOP24 is connected to one end of the button PC5, the PC4 port is connected to one end of the button PC4, the USBDM port is connected to one end of the button USBDM, the USBDP port is connected to USBDP, the PA4 port is connected to PA4, the PA2 port is connected to PA2, the PA1 port is connected to MIC-PAI, the PA0 port is connected to PAO, DACVSS is connected to one end of the capacitor C6, and the other end of the capacitor C6 is connected to the VCOM port, the DACL port is connected to DACL, BT_OSCO is connected to one end of the crystal oscillator Y1, and the other end of the crystal oscillator Y1 is connected to the BT_OSC I port, BT-RF is connected to one end of the inductor L1 and one end of the capacitor C1, and the other end of the capacitor C1 is connected to one end of the inductor L2 and one end of ANT, and the other end of the inductor L1 and the other end of the inductor L2 are both grounded, and the VSS IO port is grounded. The VDDIO port is connected to one end of the capacitor C4, and the other end of the capacitor C4 is grounded, and the VBAT port is connected to one end of the capacitor C5, and the other end of the capacitor C5 is grounded. The PB4 port is connected to PB4, the PB6 port is connected to PB6, and the PB7 port is connected to PB7.

[0016] PA4 is connected to the MUTE port of XS, BYPASS port is connected to one end of capacitor C8, -IN is connected to one end of resistor R4, the other end of resistor R4 is connected to capacitor C11, capacitor C11 is connected to DACL, OUT+ port is connected to one end of SPK1, GND port is connected to one end of capacitor C9, one end of capacitor C10, and grounded. VDD is connected to input VMCU, the other end of capacitor C9, and the other end of capacitor C10. OUT- port is connected to one end of SPK1.

[0017] Beneficial effects of the utility model:

[0018] The utility model solves the problem of the difficulty in playing the existing kazoo. After the built-in microphone receives the sound, it transmits it to the Bluetooth power amplifier intelligent tuning mainboard for tuning processing, and finally the sound is emitted through the speaker. In this process, the processing of the Bluetooth power amplifier intelligent tuning mainboard solves the problems of unstable tone and monotonous tone, and the volume can be adjusted by the switch key (volume plus key, volume minus key) to solve the problem of low volume.

[0019] When accompaniment is needed, the mobile phone is connected to the Bluetooth amplifier intelligent tuning mainboard, and accompaniment is performed through the mobile phone and other electronic devices, solving the problem that the kazoo on the market cannot be played with accompaniment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is the structural explosion diagram of the utility model;

[0022] Figure 3This is a schematic diagram of the pronunciation principle of the utility model;

[0023] Figure 4 This is a circuit diagram of the Bluetooth power amplifier intelligent tuning mainboard (part) of the utility model;

[0024] Figure 5 This is the circuit diagram of the built-in microphone head of the utility model;

[0025] Figure 6 The circuit diagram of the power key (including the power key, Bluetooth key, volume up key, and volume down key) of the utility model;

[0026] Figure 7 This is the charging circuit diagram of the utility model;

[0027] Figure 8 for Figure 4 The power amplifier circuit diagram of the Bluetooth power amplifier intelligent tuning motherboard.

[0028] In the picture: 1- mouthpiece, 2- upper cover of flute, 3- lower cover of flute, 4- power button (power button, Bluetooth power button, volume up button, volume down button), 5- charging port, 6- indicator light, 7- speaker cover, 8- speaker, 9- battery, 10- Bluetooth power amplifier intelligent tuning motherboard, 11- built-in microphone head, 12- flute membrane cover, 13- resonance tube. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model is described clearly and completely below. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] like Figure 1-2 As shown, a kazoo with a novel structure of the present invention comprises a mouthpiece 1, an upper flute cover 2 and a lower flute cover 3. The upper flute cover 2 and the lower flute cover 3 are fastened together by screws, and the right end of the upper flute cover 2 and the lower flute cover 3 after being connected is connected to the mouthpiece 1 by snap-fitting. After the upper flute cover 2 and the lower flute cover 3 are connected, there is a segmented slot inside, and an electronic device is snap-fitted and fixed in the slot from right to left.

[0031] The resonance tube 13 is installed in the first slot on the right, and the membrane cover 12 is installed on the lower side of the resonance tube 13. The resonance tube 13 faces the mouthpiece 1, and the airflow from the mouthpiece 1 acts on the lower membrane cover 12 through the resonance tube 13, driving the polymer membrane cover 12 to vibrate and make a sound.

[0032] The second card slot on the right side is equipped with a switch key 4, a built-in microphone head 11, and a Bluetooth power amplifier intelligent tuning mainboard 10. The switch key 4 includes a power key, a Bluetooth power key, a volume up key, and a volume down key. A corresponding hole is provided on the flute cover 2 for installing the switch key 4 for the convenience of the operator. The switch key is on the upper side of the Bluetooth power amplifier intelligent tuning mainboard.

[0033] like Figure 5 As shown, PC5 is grounded through switch K1 (power on / off key), PC4 is grounded through switch K2 (Bluetooth power on / off key), USBDM is grounded through switch K3 (volume minus key), and PA0 is grounded through switch K4 (volume plus key).

[0034] The switch 4 is on the upper side of the Bluetooth power amplifier intelligent tuning mainboard 10. A built-in microphone head 11 is installed on the right end of the Bluetooth power amplifier intelligent tuning mainboard 10, and two holes are opened on the side wall where the upper cover 2 and the lower cover 3 of the flute are connected, one of which is designed as a charging port 5, and the other is installed with an indicator light 6.

[0035] The battery 9 is installed in the middle card slot. The speaker cover 7 is installed in the first card slot on the left side, and the speaker 8 is installed in the second card slot on the left side.

[0036] like Figure 3 As shown, the built-in microphone head 11 is connected to the Bluetooth power amplifier intelligent sound adjustment mainboard 10, the Bluetooth power amplifier intelligent sound adjustment mainboard 10 is connected to the speaker 8, the battery 9 is connected to the built-in microphone head 11, the Bluetooth power amplifier intelligent sound adjustment mainboard 10, and the speaker 8 through the switch key 4 respectively, the battery 9 is connected to the charging port 5, and an indicator light 6 is installed in the circuit connecting the battery 9 and the charging port 5.

[0037] The sound emitted is received by the built-in microphone 11, and then transmitted to the Bluetooth power amplifier intelligent tuning mainboard 10 for tuning processing, and finally emitted through the speaker 8. In this process, the processing of the Bluetooth power amplifier intelligent tuning mainboard 10 solves the problems of unstable and monotonous timbre, and the problem of low volume can be solved by adjusting the volume through the switch key 4 (volume up key, volume down key).

[0038] Furthermore, when accompaniment is needed, the mobile phone is connected to the Bluetooth power amplifier intelligent tuning mainboard 10, and the accompaniment is played through the mobile phone and other electronic devices, which solves the problem that the kazoo on the market cannot cooperate with the accompaniment.

[0039] like Figure 5 As shown, MIC-PA1 is connected to one end of capacitor C7, and the other end of capacitor C7 is connected to the positive electrode of MIC and input PA2.

[0040] like Figure 4As shown, the PC5 port of the main control board SSOP24 is connected to one end of the button PC5, the PC4 port is connected to one end of the button PC4, the USBDM port is connected to one end of the button USBDM, the USBDP port is connected to USBDP, the PA4 port is connected to PA4, the PA2 port is connected to PA2, the PA1 port is connected to MI C-PA I, the PA0 port is connected to PAO, DACVSS is connected to one end of the capacitor C6, and the other end of the capacitor C6 is connected to the VCOM port, the DACL port is connected to DACL, BT_OSCO is connected to one end of the crystal oscillator Y1, and the other end of the crystal oscillator Y1 is connected to the BT_OSC I port, BT-RF is connected to one end of the inductor L1 and one end of the capacitor C1, and the other end of the capacitor C1 is connected to one end of the inductor L2 and one end of ANT, and the other end of the inductor L1 and the other end of the inductor L2 are both grounded, and the CSS IO port is grounded. The VDDIO port is connected to one end of the capacitor C4, and the other end of the capacitor C4 is grounded. The VBAT port is connected to one end of the capacitor C5, and the other end of the capacitor C5 is grounded. The PB4 port is connected to PB4, the PB6 port is connected to PB6, and the PB7 port is connected to PB7.

[0041] like Figure 8 As shown, PA4 is connected to the MUTE port of XS, BYPASS port is connected to one end of capacitor C8, -IN is connected to one end of resistor R4, the other end of resistor R4 is connected to capacitor C11, capacitor C11 is connected to DACL, OUT+ port is connected to one end of SPK1, GND port is connected to one end of capacitor C9, one end of capacitor C10, and grounded. VDD is connected to input VMCU, the other end of capacitor C9, and the other end of capacitor C10. OUT- port is connected to one end of SPK1.

[0042] like Figure 7 As shown, the GND ports of TYPEC are all grounded, VBUS is connected to the 5V endpoint, the 5V endpoint input is connected to one end of the resistor R5, the other end of the resistor R5 is connected to the VI N port of PJ4054, the PROG port of PJ4054 is connected to one end of the resistor R3, one end of the resistor R3 is grounded, the CHRG of PJ4054 is connected to one end of LED2, the other end of LED2 is connected to one end of the resistor R2, the other end of the resistor R2 is connected to the capacitor C12 and the other end of the resistor R5, the other end of the capacitor C12 is grounded, the GND port of PJ4054 is grounded, the BAT port of PJ4054 is connected to one end of BAT1 and one end of VMCU, and the other end of BAT I is grounded.

[0043] The working process of this utility model:

[0044] The mouthpiece 1 is aimed at the mouth, and then hums a song in falsetto. The vibration of the vocal cords drives the vibration of the reed membrane cover 12 to produce sound, and then the built-in microphone head 11 collects the sound into the Bluetooth function intelligent tuning motherboard 10. The Bluetooth function intelligent tuning motherboard 10 has the functions of reverberation, tuning and volume adjustment. After the sound is processed by the Bluetooth function intelligent tuning motherboard 10, it is transmitted to the speaker 8, and finally the speaker 8 plays the processed sound.

[0045] If accompaniment is needed during use, the Bluetooth power amplifier intelligent tuning mainboard 10 has a Bluetooth function, and can be connected to a mobile phone via Bluetooth to import the accompaniment music played by the mobile phone into the Bluetooth power amplifier intelligent tuning mainboard 10, and then played synchronously by the speaker 8.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A kazoo with a novel structure, characterized in that: The flute comprises a mouthpiece, an upper flute cover and a lower flute cover, wherein the upper flute cover and the lower flute cover are fastened and connected by screws, and the right end of the upper flute cover and the lower flute cover after being connected is snap-connected with the mouthpiece, and there is a segmented slot inside the upper flute cover and the lower flute cover after being connected, and electronic devices snap-connected and fixed are distributed in the slot from right to left; A resonance tube is installed in the first card slot on the right, and a flute membrane cover is installed on the lower side of the resonance tube. A switch key, a built-in microphone head, and a Bluetooth power amplifier intelligent tuning mainboard are installed in the second card slot on the right. The switch key is on the upper side of the Bluetooth power amplifier intelligent tuning mainboard, and a built-in microphone head is installed on the right end of the Bluetooth power amplifier intelligent tuning mainboard. Two holes are opened on the side wall after the upper cover and the lower cover of the flute are connected, one of which is designed as a charging port, and the other is installed with an indicator light. A battery is installed in the card slot in the middle after the upper cover and the lower cover of the flute are connected. A speaker cover is installed in the first card slot on the left after the upper cover and the lower cover of the flute are connected. A speaker is installed in the second card slot on the left after the upper cover and the lower cover of the flute are connected. The built-in microphone head is connected to the Bluetooth power amplifier intelligent sound adjustment mainboard, the Bluetooth power amplifier intelligent sound adjustment mainboard is connected to the speaker, the battery is connected to the built-in microphone head, the Bluetooth power amplifier intelligent sound adjustment mainboard, and the speaker through a switch key, the battery is connected to the charging port, and an indicator light is installed in the circuit connecting the battery and the charging port.

2. The novel kazoo according to claim 1, characterized in that: The resonance tube is directly opposite the mouthpiece.

3. The novel kazoo according to claim 1, characterized in that: The power keys include a power button, a Bluetooth button, a volume up button, and a volume down button. Corresponding holes are provided on the top cover of the flute for installing the power keys.

4. The novel kazoo according to claim 1, characterized in that: When accompaniment is needed, the mobile phone is connected to the Bluetooth amplifier intelligent tuning mainboard.

5. The novel kazoo according to claim 3, characterized in that: The circuit of the switch key is as follows: PC5 is grounded through switch K1, PC4 is grounded through switch K2, USBDM is grounded through switch K3, and PA0 is grounded through switch K4.

6. The novel kazoo according to claim 1, characterized in that: The circuit of the built-in microphone capsule is: MIC-PA1 is connected to one end of capacitor C7, and the other end of capacitor C7 is connected to the positive electrode of MIC and input PA2.

7. The novel kazoo according to claim 1, characterized in that: The circuit of the Bluetooth amplifier intelligent tuning motherboard is as follows: the PC5 port of the main control board SSOP24 is connected to one end of the button PC5, the PC4 port is connected to one end of the button PC4, the USBDM port is connected to one end of the button USBDM, the USBDP port is connected to USBDP, the PA4 port is connected to PA4, the PA2 port is connected to PA2, the PA1 port is connected to MIC-PAI, the PA0 port is connected to PAO, the DACVSS is connected to one end of the capacitor C6, the other end of the capacitor C6 is connected to the VCOM port, the DACL port is connected to DACL, and the BT _OSCO is connected to one end of crystal oscillator Y1, and the other end of crystal oscillator Y1 is connected to BT_OSCI port. BT-RF is connected to one end of inductor L1 and one end of capacitor C1. The other end of capacitor C1 is connected to one end of inductor L2 and one end of ANT. The other end of inductor L1 and the other end of inductor L2 are both grounded. VSSIO port is grounded. VDDIO port is connected to one end of capacitor C4, and the other end of capacitor C4 is grounded. VBAT port is connected to one end of capacitor C5, and the other end of capacitor C5 is grounded. PB4 port is connected to PB4, PB6 port is connected to PB6, and PB7 port is connected to PB7. PA4 is connected to the MUTE port of XS, the BYPASS port is connected to one end of capacitor C8, -IN is connected to one end of resistor R4, the other end of resistor R4 is connected to capacitor C11, capacitor C11 is connected to DACL, the OUT+ port is connected to one end of SPK1, the GND port is connected to one end of capacitor C9 and one end of capacitor C10 and grounded, VDD is connected to the input VMCU, the other end of capacitor C9, and the other end of capacitor C10, and the OUT- port is connected to one end of SPK1.

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