CN216647831U

CN216647831U - Circuit device for electronic musical instrument and electronic musical instrument

Info

Publication number: CN216647831U
Application number: CN202122558091.9U
Authority: CN
Inventors: 黄志坚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-05-31
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a circuit device for an electronic musical instrument. The circuit device includes: a circuit board arranged inside the electronic musical instrument for performing signal processing on the electronic musical instrument; a plurality of sockets arranged on the circuit board at intervals; and a plurality of jacks corresponding to the plurality of sockets one to one. The circuit device is applied to the electronic musical instrument, and the plug with one end connected with the signal wire penetrates through the jack, so that the other end of the plug is matched and connected with the socket. Further, the circuit device enables the musical instrument operator to conveniently install and maintain the electronic musical instrument by corresponding the jacks and the sockets in a visual mode. In addition, the circuit device is applied to the electronic musical instrument, so that cables in the electronic musical instrument can be neatly arranged and are not easy to damage.

Description

Circuit device for electronic musical instrument and electronic musical instrument

Technical Field

The present invention relates generally to the field of musical instruments. More particularly, the present invention relates to a circuit device for an electronic musical instrument and an electronic musical instrument.

Background

A conventional electronic musical instrument applies an external force by a player playing, and the external force is collected and processed by a sensor so as to be converted into an electric signal. Further, the sensor transmits the electric signal to a circuit board inside the electronic musical instrument, and finally, a musical tone is generated through the output unit. In the process of transmitting the electrical signal to the circuit board, the sensor and the circuit board are generally connected through a wire, and the transmission of the electrical signal is performed through the wire. At present, in order to connect the sensor and the circuit board through a wire, a plurality of sockets are generally arranged side by side on the circuit board, each socket is connected with a plug in a matching way, and the wire is connected on the plug.

Although the circuit board layout mode of arranging a plurality of sockets side by side makes the circuit board planning neat and saves the circuit board space, the lead wires are different in length and the wiring is disordered. Especially, when the number of notes of the electronic musical instrument is large, the number of sensors required is also large, and thus wires connecting the sensors and the circuit board become complicated and disordered. This causes the electronic musical instrument to be difficult in the course of production installation and maintenance, and it is easy to attach the sensor to the wrong circuit board position, thereby causing the electronic musical instrument to be inaccurately sounded, which in turn causes the quality of the electronic musical instrument to deteriorate, affecting the performance of the player. In addition, due to the numerous and disorderly connecting wires, some wires are easily broken or the wires and the circuit board are in poor contact in the production and installation processes of the electronic musical instrument, so that the electronic musical instrument is damaged.

SUMMERY OF THE UTILITY MODEL

To address at least one or more of the problems in the background art described above, the present invention provides a circuit device applied to an electronic musical instrument. The circuit device separates the sockets on the circuit board, and each socket is correspondingly provided with the jacks, so that the jacks and the sockets are easily distinguished to present a one-to-one correspondence. The wire of connecting the response subassembly runs through the jack and then inserts on the socket that corresponds with this jack through the plug to realized that the inside wire of electronic musical instrument walks clearly and convenient maintenance.

Specifically, in one aspect, the present invention discloses a circuit device for an electronic musical instrument, the circuit device including: a circuit board arranged inside the electronic musical instrument for signal processing of the electronic musical instrument; a plurality of sockets arranged on the circuit board at intervals; and a plurality of jacks corresponding to the plurality of sockets one to one.

In one embodiment, the circuit arrangement further comprises a plurality of plugs. In operation, one end of the plug is connected to a signal wire, and the plug and signal wire extend through the receptacle such that the other end of the plug is matingly connected to the receptacle.

In another embodiment, the circuit device further comprises a partition plate, and the insertion holes are arranged on the partition plate at intervals.

On the other hand, the utility model also discloses an electronic musical instrument which comprises the circuit device; the electronic musical instrument further includes: a performance section for accepting a performance action for the electronic musical instrument from outside; and a sensing member disposed with respect to the performance section and connected to the signal line for generating a corresponding sensing signal in response to the performance motion and transmitting the sensing signal to the circuit board.

In one embodiment, the sensing component is one or more of a piezo ceramic sensor, a vibration sensor, a pressure sensor, a micro-electro-mechanical system.

In another embodiment, the circuit board has disposed thereon: a control unit configured to receive and process the sensing signal from the sensing assembly; and the output unit is configured to output a sound signal corresponding to the induction signal according to the processing of the induction signal by the control unit.

In yet another embodiment, the spacer is disposed between the circuit board and the sensing assembly such that the receptacles on the spacer correspond one-to-one with the receptacles on the circuit board.

In one embodiment, the electronic musical instrument further comprises a control panel and a power module, wherein the control panel is connected to the control unit and is configured to perform function settings on the electronic musical instrument, and the power module is configured to power the electronic musical instrument.

As can be seen from the above embodiments, the circuit device of the present invention is provided with the partition board, and holes are formed at intervals on the partition board, so that the wires can be connected with the circuit board through the corresponding holes. The layout structure of the circuit device better solves the problem that the internal connection cable of the existing electronic musical instrument is numerous and disordered, and brings great convenience to the installation and maintenance of the electronic musical instrument.

First, for the production and installation of the electronic musical instrument, since the jacks and the sockets on the partition are in one-to-one correspondence in a visual and intuitive manner, an operator can easily punch the wires and insert the wires into the corresponding sockets. Secondly, for the maintenance of the electronic musical instrument, when the electronic musical instrument needs to be disassembled, the length of the internal connecting cable can be generally consistent due to the circuit device, so that the sensor part and the circuit board part of the electronic musical instrument can be completely separated under the condition that the cable is connected in the process of disassembling and maintaining the musical instrument, and the operation of a maintainer is greatly facilitated. In addition, the electronic musical instrument adopting the circuit device of the utility model has the advantages that the internal connecting cable can not be broken by pressing, and meanwhile, the abrasion of the cable in the use of the electronic musical instrument is reduced, thereby prolonging the service life of the electronic musical instrument and reducing the failure rate of the electronic musical instrument.

Drawings

The above-described features of the present invention will be better understood and its numerous objects, features, and advantages will be apparent to those skilled in the art by reading the following detailed description with reference to the accompanying drawings. The drawings in the following description are only some embodiments of the utility model and other drawings may be derived by those skilled in the art without inventive effort, wherein:

FIG. 1 is a schematic diagram showing the composition of a circuit arrangement according to an embodiment of the utility model; and

fig. 2 is a block diagram showing the composition of an electronic musical instrument according to an embodiment of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is a schematic diagram illustrating the composition of a circuit arrangement 100 according to an embodiment of the utility model.

As shown in fig. 1, the circuit device 100 of the present invention may include a circuit board 101, a plurality of sockets 102 and a plurality of jacks 103, wherein the number of sockets and jacks is not limited to that shown in fig. 1, and the number thereof may assume different numbers depending on the electronic musical instrument. In particular, the circuit board may be arranged inside the electronic musical instrument for realizing the electric signal processing of the electronic musical instrument. Further, the plurality of sockets may be arranged at intervals on the circuit board. Correspondingly, the jacks correspond to the sockets one by one. Preferably, when the electronic musical instrument is a piano type musical instrument, a plurality of sockets may be arranged at equal intervals on the circuit board according to the number of keys of the piano type musical instrument, and each socket corresponds to one of the keys, and accordingly, each insertion hole may correspond to each socket one by one at equal intervals.

In one embodiment, the circuit arrangement of the utility model may further comprise a plurality of plugs. When the circuit device is applied to an electronic musical instrument, one end of the plug is connected to a signal line 104 (which may be a copper cable, for example), and the plug and the signal line are passed through the aforementioned jack so that the other end of the plug is fittingly connected to the socket. Preferably, the connection may be a mechanical connection. As shown in fig. 1, the signal line 104 may be connected to the sensing component 105, and based on this connection, the electrical signal generated by the sensing component is transmitted to the circuit board through the signal line for signal processing.

In one embodiment, the circuit device of the present invention may further include a partition 106 on which the insertion holes 103 are arranged at intervals. Further, the partition plate may be disposed between the circuit board and the sensing member, and the partition plate may be made of an insulating material, so that the partition plate may isolate a performance area, which is composed of the sensing member, a striking area of the electronic musical instrument, etc., from an internal circuit board of the electronic musical instrument, thereby effectively preventing occurrence of a short circuit of a circuit, etc., and entry of impurities, such as dust, into the electronic musical instrument.

When the electronic musical instrument is produced and assembled, one end of the wire can be connected with the sensing assembly, one end which is additionally connected with the plug correspondingly penetrates through the jack corresponding to the sensing assembly on the partition plate and is finally inserted into the socket of the circuit board corresponding to the jack, so that the one-to-one correspondence of the sensing assembly, the jack and the socket is realized, the one-to-one correspondence can be easily observed by naked eyes, the shortest length of wire arrangement is finally realized, and the wiring is regular and clear. Therefore, the circuit device with the structure is adopted, so that the problem that the musical scale of a final product is not accurate due to the fact that the traditional electronic musical instrument wire holes are not aligned is solved.

As shown in fig. 2, the present invention discloses an electronic musical instrument, which may include the above circuit device, further, a circuit board in the circuit device may include a control unit 201, an output unit 202 and a storage unit 203, wherein the control unit is configured to receive and process a sensing signal from a sensing component; the output unit is configured to output a sound signal corresponding to the sensing signal according to the processing of the sensing signal by the control unit. In one embodiment, the electronic musical instrument may further comprise a playing zone for accepting playing motion from outside for the electronic musical instrument and a sensing assembly 204; the induction component is arranged relative to the playing area and is connected with the signal wire, so as to respond to playing actions to generate corresponding induction signals and transmit the induction signals to the circuit board.

As a specific embodiment, when the electronic musical instrument is a piano type musical instrument, the playing area may be a plurality of keys. Further, the above-described storage unit may be configured to store sound source data associated with a plurality of keys of the musical instrument of the piano type. In some application scenarios, the sound source data may comprise data relating to the timbre and/or sound effect of at least one musical organ, for example. According to aspects of the present invention, the at least one organ may include, but is not limited to, one or more of a xylophone, a tremolo and a marimba. Further, the electronic musical instrument of the present invention can exhibit the same performance effect as that of the existing plural percussion instruments according to the difference of the sound source data.

In one or more embodiments, the sensing component can be, for example, one or more of a piezo ceramic sensor, a vibration sensor, a pressure sensor, a micro-electromechanical system. The above-described various sensors can be flexibly arranged according to different requirements for the key stroke sensitivity. The working principle of the sensing component is briefly described below by taking a piezoelectric ceramic sensor as an example. The piezoceramic transducers are devices which convert pressure (or strain) generated by hitting keys into current (or charge) and output the current (or charge) by utilizing the piezoelectric effect of piezoceramic wafers, wherein the piezoceramic wafers are key components in the piezoceramic transducers. From the perspective of signal transformation, the piezoceramic sheet acts as a charge generator. When the piezoelectric ceramic plate is acted by external force, the piezoelectric ceramic plate can generate deformation and release electric charge due to the deformation, and then current is generated and output. Further, the current is transmitted to the circuit board through a cable connected to the piezo ceramic sensor.

In one embodiment, the storage unit of the present invention may comprise, for example, an IC audio source memory and a data memory. Wherein the IC sound source memory is configured to store sound source data associated with percussion instruments such as the plurality of keys or drums, including but not limited to data relating to timbre and/or sound effects of one or more of xylophones, tremolo, marimban, electronic drums, gongs, and the like.

In one embodiment, the data storage is configured to store programs and data related to controlling the operation of the electronic musical instrument-related modules and units, and may also store other music data related to performance. The data storage device may be connected to the main control unit through a bus, and may include a plurality of sets of memory cells, each of which may be connected to the main control unit through a bus.

In one embodiment, the control unit of the present invention may be implemented using, for example, a digital signal processor ("DSP"). The DSP is a microprocessor suitable for performing digital signal processing operations, and is mainly applied to rapidly implement various digital signal processing algorithms in real time. For the utility model, the DSP is used as a control unit, and the audio signal can be processed rapidly in real time. Specifically, firstly, the DSP receives a digital electrical signal output from the sensing component and subjected to a/D conversion and filtering; then, the DSP acquires sound source data associated with the digital electric signal from an IC sound source memory according to the digital electric signal; finally, the DSP sends the sound source data to an output unit so as to output a musical instrument sound signal corresponding to the sound source data.

In one embodiment, the output unit may be configured to output a musical tone signal corresponding to the sound source data. In one application scenario, the output unit may be a speaker including a power amplifier, so that the sound signal is amplified and played in the form of sound. In particular, the power amplifier may be composed of three parts: the device comprises a preamplifier circuit, a drive amplifier circuit and a final power amplifier circuit. The pre-amplifier circuit is configured for impedance matching, which has advantages of high input impedance and low output impedance, and thus can receive and transmit the current signal of the audio source data with a minimum data loss. The drive amplifying circuit is configured to further amplify the current signal sent by the pre-amplifying circuit into a signal with medium power so as to drive the final-stage power amplifying circuit to normally work. The final power amplifying circuit plays a key role in the power amplifier, the technical index of the final power amplifying circuit determines the technical index of the whole power amplifier, and the final power amplifying circuit is configured to amplify a current signal sent by the driving amplifying circuit into a high-power signal so as to drive a loudspeaker to play sound.

In one embodiment, the speaker may include a magnet, a frame, a centering disk, a cone, a diaphragm, and the like. Alternatively, the speaker may further include the power amplifier described above. A loudspeaker, commonly known as a "horn", is a transducer that converts electrical signals into acoustic signals. Specifically, the audio power signal causes the cone or diaphragm of the speaker to vibrate and resonate (resonate) with the surrounding air to generate sound through electromagnetic, piezoelectric, or electrostatic effects. Alternatively, the speakers may be disposed outside the electronic percussion melody musical instrument of the present invention, which may be wirelessly connected to the electronic percussion melody musical instrument of the present invention by a wireless communication technique such as bluetooth.

In one embodiment, the electronic musical instrument of the present invention may further include a control panel connected to the control unit through a line site interface and configured to perform function setting on the electronic musical instrument. In one embodiment, the control panel may include, for example, a display screen, a switch key and a volume key of different electronic musical instruments, and other functional modules. The display screen is configured to display a performance status of the current electronic musical instrument. The switching keys of different electronic musical instruments can be used for selecting the playing modes of different electronic musical instruments such as xylophone, marimba, tremolo, electronic drum, gong and the like. The volume key is connected with the power amplifier and is configured to control the size of the sound signal.

In one embodiment, the electronic musical instrument of the present invention may further include a power module, which may be implemented in various ways to power the electronic musical instrument. For example, but not limited to, the electronic musical instrument may be powered by externally connecting to the commercial power and arranging the voltage transformation unit inside the power module. The electronic musical instrument can also be powered by arranging a power adapter. In addition, the electronic musical instrument may be powered by a dry battery provided on the electronic musical instrument main body.

It should be understood that the terms "first," "second," "third," and "fourth," etc. in the claims, description, and drawings of the present invention are used for distinguishing between different objects and not for describing a particular order. The terms "comprises" and "comprising," when used in the specification and claims of this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only, and is not intended to be limiting of the utility model. As used in the specification and claims of this application, the singular form of "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should be further understood that the term "and/or" as used in the specification and claims of this specification refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.

As used in this specification and claims, the term "if" may be interpreted contextually as "when.. or" once "or" in response to a determination "or" in response to a detection ". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".

Although the embodiments of the present invention are described above, the descriptions are only examples adopted for understanding the present invention, and are not intended to limit the scope and application scenarios of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A circuit arrangement for an electronic musical instrument, comprising:

a circuit board arranged inside the electronic musical instrument for signal processing of the electronic musical instrument;

A plurality of sockets arranged on the circuit board at intervals; and

and the jacks correspond to the sockets one by one.

2. The circuit device of claim 1, further comprising a plurality of plugs, wherein in operation, one end of each plug is connected to a signal line, and wherein the plugs and signal lines extend through the receptacles such that the other end of each plug is matingly connected to the receptacle.

3. The circuit device of claim 2, further comprising a spacer, wherein the receptacles are spaced apart on the spacer.

4. An electronic musical instrument, comprising:

the circuit arrangement of claim 3;

a performance section for accepting a performance action for the electronic musical instrument from outside; and

a sensing assembly disposed with respect to the performance section and connected to the signal line for generating a corresponding sensing signal in response to the performance motion and transmitting the sensing signal to the circuit board.

5. The electronic musical instrument of claim 4 wherein the sensing component is one or more of a piezo ceramic sensor, a vibration sensor, a pressure sensor, a micro-electro-mechanical system.

6. The electronic musical instrument according to claim 4, wherein the circuit board has disposed thereon:

a control unit configured to receive and process the sensing signal from the sensing assembly; and

and the output unit is configured to output a sound signal corresponding to the induction signal according to the processing of the induction signal by the control unit.

7. The electronic musical instrument of claim 6 wherein the spacer is disposed between the circuit board and the sensing assembly such that the receptacles on the spacer correspond one-to-one with the receptacles on the circuit board.

8. The electronic musical instrument of claim 7, further comprising a control panel and a power module, wherein the control panel is coupled to the control unit and is configured to provide functional settings for the electronic musical instrument, and the power module is configured to provide power to the electronic musical instrument.