Keyboard-replaceable musical instrument body
By designing a detachable magnetic-sucking performance module installation slot on the electronic instrument body, it supports the replacement of multiple performance modules, which solves the flexibility of guitar players in the performance mode, and realizes rich performance experience and diversified functions. .
Patent Information
- Application Number
- CN202323629669.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-29
AI Technical Summary
Existing electronic instruments lack flexibility in performance modes, especially as guitar players want to experience more keyboard or simulated string performance when playing, but the existing technology is difficult to meet this demand.
A replacement keyboard body is designed. By setting up a performance module installation slot on the body, it adopts a detachable magnetic-sucking connection design, including the main control circuit board module, sound playback module, wireless connection module and DSP sound channel processing Module, supports the replacement of a variety of performance modules, including simulated string modules, to enhance the performance experience.
It realizes the rapid disassembly and installation of the performance module, enriches the performance experience, combines the use of guitar and speakers, and supports the external connection of microphones and headphones, meeting multiple needs and improving user experience and functional diversity.
Smart Images

Figure CN222167934U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic musical instruments, in particular to a musical instrument body with a replaceable keyboard. Background Art
[0002] With the development of electronic musical instruments, compared with traditional musical instruments, electronic musical instruments are more convenient to use and are becoming more and more popular among people, especially guitars, which are very popular among people.
[0003] In the prior art, a Chinese utility model patent with publication number CN214752917U provides an electronic musical instrument, which mainly includes a rhythm trigger button for generating a rhythm signal; a music type button; and a central processing unit, which is respectively connected to the rhythm trigger button and the music type button. After the rhythm trigger button completes the generation of the rhythm signal, the central processing unit is used to detect the music type operation signal of the music type button, and call out the rhythm corresponding to the rhythm signal and the sound source signal corresponding to the music type operation signal. The above-mentioned electronic musical instrument switches the user's playing mode to the rhythm playing mode through the rhythm trigger button, and as most guitar enthusiasts, they sometimes prefer to express the guitar's playing mode as keyboard playing or simulated string playing to increase the expressiveness of the music when playing alone. Utility Model Content
[0004] The purpose of the utility model is to provide a piano body with a replaceable keyboard, aiming to solve the above-mentioned technical problems. The piano body with a replaceable keyboard of the utility model has the advantages of replaceable performance modules, rich performance experience and diversified functions.
[0005] In order to achieve the above object, the utility model is implemented through the following technical solutions:
[0006] A piano body with a replaceable keyboard includes a piano body and a performance module, wherein a performance module installation slot is provided on the piano body, and the performance module can be detachably installed in the performance module installation slot, and electrical components and batteries for supplying power to the electrical components are arranged inside the piano body, and the electrical components include a main control circuit board module, a playback module, a wireless connection module, an audio input and output module, and a DSP sound effect channel processing module, and the playback module, the audio input and output module, and the DSP sound effect channel processing module are all electrically connected to the main control circuit board module, and a sensor module 10 is provided at one end of the performance module, and the sensor module 10 is electrically connected to the DSP sound effect channel processing module.
[0007] Furthermore, a mounting slot connecting portion is provided in the mounting slot of the performance module, and a module connecting portion is provided on the outer side of the performance module, and the mounting slot connecting portion and the module connecting portion are arranged correspondingly.
[0008] Furthermore, the installation slot connection part and the performance module connection part are detachably connected by magnetic attraction.
[0009] Furthermore, the installation slot connection portion and the performance module connection portion are detachably connected.
[0010] Furthermore, the playback module includes a piano body sound cavity module, a pickup and a speaker, and the pickup is electrically connected to the speaker.
[0011] Furthermore, the wireless connection module includes a microphone receiving module and a Bluetooth module, the microphone receiving module is electrically connected to the audio input and output module, and the Bluetooth module is electrically connected to the main control circuit board module.
[0012] Furthermore, the side wall of the piano body is provided with an input and output jack for an external microphone or earphone, and the input and output jack is connected to the audio input and output module.
[0013] Furthermore, a charging socket for charging the battery with an external power source is also provided on the side wall of the piano body, and the charging socket is located on one side of the input and output jacks.
[0014] Furthermore, the performance module is provided with a switch button and a tuning button.
[0015] The keyboard body of the utility model can be replaced, and has the following beneficial effects:
[0016] 1. The piano body of the utility model can replace the keyboard. Through the design of detachable connection between the performance module and the piano body, it is convenient to quickly remove and install the performance module. The overall space design is reasonable and occupies a small area. The performance module can be replaced with a simulated string performance module or other performance modules according to the actual needs of the user, which meets the different needs of the user, has strong practicality and provides a richer performance experience;
[0017] 2. The utility model has a replaceable keyboard body. The utility model combines a guitar with a speaker. It can be used to play musical instruments through the performance module and to sing with an external microphone. It is also equipped with a headphone playback function, so there is no need to worry about affecting other people. It can also be connected to a mobile phone APP for use. It has diversified functions, meets the multiple needs of users, further improves the user experience, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the piano body with replaceable keyboard of the utility model;
[0019] Figure 2 It is a schematic diagram of the structural disassembly of the piano body with replaceable keyboard of the utility model;
[0020] Figure 3 for Figure 2 Another visual structural diagram shown;
[0021] Figure 4 for Figure 1 The schematic diagram of the structural decomposition of the performance module shown;
[0022] Figure 5 for Figure 1 Schematic diagram of the structure inside the piano body.
[0023] The numbers in the figure are: 1. piano body; 2. performance module; 3. performance module installation slot; 4. battery; 5. main control circuit board module; 6. audio input and output module; 7. DSP sound channel processing module; 8. installation slot connection part; 9. module connection part; 10. sensor module; 11. piano key; 12. trigger; 13. switch button; 14. tuning button; 15. piano body sound cavity module; 16. speaker; 17. input and output jacks; 18. charging module; 19. charging socket; 20. tuning knob. DETAILED DESCRIPTION
[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with embodiments and drawings.
[0025] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element; when an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.
[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0027] Embodiment 1:
[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, a piano body with a replaceable keyboard includes a piano body 1 and a performance module 2, the piano body 1 is provided with a performance module installation slot 3, the performance module 2 is detachably installed in the performance module installation slot 3, the piano body 1 is provided with electrical components and a battery 4 for powering the electrical components, the electrical components include a main control circuit board module 5, a playback module, a wireless connection module, an audio input and output module 6 and a DSP sound effect channel processing module 7, the playback module, the audio input and output module 6 and the DSP sound effect channel processing module 7 are all electrically connected to the main control circuit board module 5, the performance module 2 is provided with a sensor module 10 on the outside, and the sensor module 10 is electrically connected to the DSP sound effect channel processing module 7.
[0029] It should be noted that when the performance module 2 is installed in the performance module installation slot 3, an electrical connection is formed between the sensor module 10 of the performance module 2 and the DSP sound channel processing module 7 inside the piano body 1, thereby forming an electrical connection between the performance module 2 and the piano body 1.
[0030] like Figure 2 and Figure 3 As shown, a mounting slot connecting portion 8 is provided in the performing module mounting slot 3, and a module connecting portion 9 is provided on the outer side of the performing module 2. The mounting slot connecting portion 8 and the module connecting portion 9 are arranged correspondingly; a detachable magnetic connection is formed between the mounting slot connecting portion 8 and the performing module connecting portion 9.
[0031] It should be noted that the utility model adopts the design of detachable magnetic connection between the performance module 2 and the piano body 1, which facilitates the quick disassembly and installation of the performance module 2, and the overall space design is reasonable and occupies a small area. According to the actual needs of the user, the performance module 2 can be a performance keyboard, a simulated string performance module or other performance modules to meet the different needs of users. It is highly practical and provides a richer performance experience.
[0032] like Figure 1 and Figure 4 As shown, the playing module includes a plurality of force-touch keys 11, and a trigger 12 is provided under the keys 11, and the trigger 12 is connected to the sensor module 10. When the action of the keys 11 is sensed, the sensor module 10 converts the trigger signal into a recognizable electrical signal, and then transmits it to the playback module. By operating the force-touch keys 11, the playing experience is strong; when the utility model replaces the playing module 2 with a simulated string playing module according to the needs, the vibration signal of the plucked string is converted into a recognizable electrical signal through the plucking action, and then transmitted to the playback module, and the playing experience is strong.
[0033] like Figure 1As shown, the performance module 2 further includes a switch button 13 and a tuning button 14. When the performance function is not needed, the switch button 13 can be turned off, and when the volume of the performance module 2 needs to be adjusted, the tuning button 14 can be operated.
[0034] like Figure 2 As shown, the playback module includes a piano body sound cavity module 15, a pickup and a speaker 16, and the pickup is electrically connected to the speaker 16. The piano body sound cavity module 15 is arranged inside the piano body 1, and an independent sealed air chamber is provided therein, and the resonance between the air chamber and the external ventilation pipe (or diaphragm) is used to enhance the bass frequency response, and the use effect is better.
[0035] like Figure 1 and Figure 2 As shown, the wireless connection module includes a microphone receiving module and a Bluetooth module. The microphone receiving module is electrically connected to the audio input and output module 6 , and the Bluetooth module is electrically connected to the main control circuit board module 5 .
[0036] like Figure 2 and Figure 3 As shown, an input / output jack 17 for an external microphone or earphone is provided on the side wall of the piano body 1 , and the input / output jack 17 is connected to the audio input / output module 6 .
[0037] It should be noted that the utility model combines a guitar with a speaker, so that the instrument can be played through the performance module 2, and an external microphone can be used for singing. It is also equipped with a headphone playback function, so there is no need to worry about affecting other people. It can also be connected to a mobile phone APP for use. It has diversified functions, meets the multiple needs of users, and is highly practical.
[0038] like Figure 2 and Figure 3 As shown, a charging module 18 is also provided inside the piano body 1, and the charging module 18 is located on one side of the audio input and output module 6. A charging socket 19 for charging the battery 4 with an external power source is also provided on the side wall of the piano body 1, and the charging socket 19 is located on one side of the input and output jack 17.
[0039] like Figure 1 As shown, the piano body 1 is also provided with a tuning knob 20, and the tuning knob 20 is electrically connected to the main control circuit board module 5. The performance module 2 can be tuned to the required tuning by rotating the tuning knob 20, thereby meeting the multiple needs of users and having strong practicality.
[0040] Embodiment 2:
[0041] The difference from the first embodiment is that:
[0042] like Figure 2 and Figure 3As shown, the mounting slot connection portion 8 and the playing module connection portion 9 are detachably snap-fitted, so that the playing module 2 and the piano body 1 are detachably snap-fitted, which facilitates the quick removal and installation of the playing module 2 and has good stability. The playing module 2 can be a playing keyboard, a simulated string-type playing module or other playing modules according to the actual needs of the user, thus meeting the different needs of the user, having strong practicality and providing a richer playing experience.
[0043] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any technician familiar with the profession can make some changes, modifications and equivalent changes made by using the technical content disclosed above without departing from the scope of the technical solution of the utility model, which are all equivalent embodiments of the utility model. At the same time, any changes, modifications and evolutions of any equivalent changes made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.
Claims
1. A piano body with a replaceable keyboard, characterized in that: The invention comprises a piano body and a performance module, wherein the piano body is provided with a performance module installation slot, wherein the performance module is detachably installed in the performance module installation slot, wherein the piano body is provided with electrical components and a battery for supplying power to the electrical components, wherein the electrical components comprise a main control circuit board module, a sound playback module, a wireless connection module, an audio input and output module and a DSP sound effect channel processing module, wherein the sound playback module, the audio input and output module and the DSP sound effect channel processing module are all electrically connected to the main control circuit board module, and wherein a sensor module (10) is provided at one end of the performance module, wherein the sensor module (10) is electrically connected to the DSP sound effect channel processing module.
2. The piano body of the replaceable keyboard according to claim 1, characterized in that: A mounting slot connecting portion is provided in the mounting slot of the performance module, and a module connecting portion is provided on the outer side of the performance module, and the mounting slot connecting portion and the module connecting portion are arranged correspondingly.
3. The piano body of the replaceable keyboard according to claim 2, characterized in that: The installation slot connection part and the performance module connection part are detachably connected by magnetic attraction.
4. The piano body of the replaceable keyboard according to claim 2, characterized in that: The installation slot connection part and the performance module connection part are detachably connected.
5. The piano body with replaceable keyboard according to claim 1, characterized in that: The performance module includes a plurality of force-touch keys, under which a trigger is provided, and the trigger is connected to the sensor module 10 .
6. The piano body of the replaceable keyboard according to claim 5, characterized in that: The performance module also includes a switch button and a tuning button.
7. The piano body with replaceable keyboard according to claim 1, characterized in that: The sound playback module comprises a piano body sound cavity module, a pickup and a speaker, and the pickup is electrically connected to the speaker.
8. The piano body of the replaceable keyboard according to claim 7, characterized in that: The wireless connection module includes a microphone receiving module and a Bluetooth module. The microphone receiving module is electrically connected to the audio input and output module, and the Bluetooth module is electrically connected to the main control circuit board module.
9. The piano body with replaceable keyboard according to claim 1, characterized in that: An input and output jack for an external microphone or earphone is arranged on the side wall of the piano body, and the input and output jack is connected to the audio input and output module.
10. The piano body of the replaceable keyboard according to claim 9, characterized in that: The side wall of the piano body is also provided with a charging socket for charging the battery with an external power source, and the charging socket is located on one side of the input and output jack.
