CN112735364A - Portable electronic musical instrument - Google Patents

Abstract

An embodiment of the present invention provides a portable electronic musical instrument including: the device comprises a pressing module, a control module, an angle detection module and an audio playing module; the pressing module is arranged above the control module, and the angle detection module and the audio playing module are respectively connected with the control module; the angle detection module is used for detecting the rotation angle of the portable electronic musical instrument body; the control module is used for adjusting different sound zones according to the rotation angle detected by the angle detection module; the pressing module is used for receiving pressing events of a user and controlling the audio playing module to play tones of different scales through the control module; the portable electronic musical instrument has smaller body design and is convenient to control and carry; the high, middle and low voice switching is quicker and smoother; the method has the advantages that the method adopts the most flexible mode of controlling a key scale by each finger, the left hand and the right hand are matched to achieve the perfect playing effect, the operation is simple, and the playing rhythm is smoother.

Description

Portable electronic musical instrument

Technical Field

The present invention relates to the field of electronic devices, and more particularly, to a portable electronic musical instrument.

Background

The existing electronic organ needs to operate by means of a placed support, the placed support is large in size and weight, an operator needs to move the placed support when playing, and convenience is low; most of the time, the placed support platform can only be fixed at one position, which has great limitation on the position and the action of a player, and the general electronic musical instrument has a large size, needs to be held and leaned by two hands for playing, is flexible to operate and low and is inconvenient to carry.

Disclosure of Invention

In view of the above, embodiments of the present invention are proposed in order to provide a portable electronic musical instrument that overcomes or at least partially solves the above-mentioned problems.

In order to solve the above problem, an embodiment of the present invention discloses a portable electronic musical instrument, including:

the device comprises a pressing module, a control module, an angle detection module and an audio playing module;

the pressing module is arranged above the control module, and the angle detection module and the audio playing module are respectively connected with the control module;

the angle detection module is used for detecting the rotation angle of the portable electronic musical instrument body; the control module is used for adjusting different sound zones according to the rotation angle detected by the angle detection module; the pressing module is used for receiving pressing events of users and controlling the audio playing module to play tones of different scales through the control module.

Preferably, the portable electronic musical instrument includes a power module connected to the control module, the power module being configured to provide electric power.

Preferably, the portable electronic musical instrument includes an input module connected to the control module, the input module being configured to receive click information of a user.

Preferably, the input module comprises a key or a touch screen.

Preferably, the portable electronic musical instrument includes a display screen, the display screen is connected with the control module, and the display screen is used for displaying information.

Preferably, the portable electronic musical instrument includes a charging module, the display screen is connected with the control module, and the charging module is used for transmitting electric energy to the power supply module.

Preferably, the portable electronic musical instrument includes a data interface connected to the control module, the data interface being configured to output or input data to the control module.

Preferably, the audio playing module comprises a speaker; the pressing module comprises a key.

Preferably, the portable electronic musical instrument includes a semitone module, and the semitone module is connected to the control module, and is configured to control the audio playing module to play the tones of the semitone through the control module.

Preferably, the angle detection module includes a gravity sensor and an angular velocity sensor.

The embodiment of the invention has the following advantages:

in an embodiment of the present invention, the portable electronic musical instrument includes: the device comprises a pressing module, a control module, an angle detection module and an audio playing module; the pressing module is arranged above the control module, and the angle detection module and the audio playing module are respectively connected with the control module; the angle detection module is used for detecting the rotation angle of the portable electronic musical instrument body; the control module is used for adjusting different sound zones according to the rotation angle detected by the angle detection module; the pressing module is used for receiving pressing events of a user and controlling the audio playing module to play tones of different scales through the control module; the portable electronic musical instrument has smaller body design and is convenient to control and carry; the high, middle and low voice switching is quicker and smoother; the method has the advantages that the method adopts the most flexible mode of controlling a key scale by each finger, the left hand and the right hand are matched to achieve the perfect playing effect, the operation is simple, and the playing rhythm is smoother.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of a portable electronic musical instrument of an embodiment of the present invention;

fig. 2 is an exploded schematic view of a portable electronic musical instrument according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of a portable electronic musical instrument according to an embodiment of the present invention;

fig. 4 is an exploded schematic view of a portable electronic musical instrument according to an embodiment of the present invention;

fig. 5 is a schematic view of a portable electronic musical instrument according to an embodiment of the present invention;

fig. 6 is a schematic view showing the use of a portable electronic musical instrument according to an embodiment of the present invention;

fig. 7 is a schematic view of a portable electronic musical instrument according to an embodiment of the present invention;

fig. 8 is a schematic circuit diagram of a portable electronic musical instrument according to an embodiment of the present invention.

The device comprises a pressing module 1, a control module 2, an angle detection module 3, an audio playing module 4, a power supply module 5, an input module 6, a charging module 7, a data interface 8, a display screen 9, a key soft rubber cap 11, a key decoration 12, a key ejector rod 13, a key circuit board 14, an upper cover 16, a lower cover 17, an end seat 18, a decoration board 19, a semitone module 10, a control module circuit 31, a signal input switch circuit 32, an audio power amplification circuit 33, a gravity sensor circuit 34, a voltage stabilizing circuit 35, a left-right hand key selection circuit 36, a charging detection circuit 37, a charging circuit 38, a charging indicator lamp circuit 39 and a low-voltage detection circuit 40.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the embodiments of the present invention more clearly apparent, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" in the embodiments of the present invention do not denote any particular quantity or order, but rather are used for distinguishing names.

Referring to fig. 1, a schematic diagram of a portable electronic musical instrument according to an embodiment of the present invention is shown, which may specifically include the following structures:

the device comprises a pressing module 1, a control module 2, an angle detection module 3 and an audio playing module 4;

specifically applied to the embodiment of the present invention, the pressing module 1 is disposed above the control module 2, and the angle detection module 3 and the audio playing module 4 are respectively connected to the control module 2;

in the embodiment of the present invention, the angle detection module 3 is used for detecting the rotation angle of the portable electronic musical instrument body; the angle detection module 3 includes a gravity sensor, an angular velocity sensor, and the like, and detects the rotation angle of the portable electronic musical instrument body through the gravity sensor and the angular velocity sensor, and of course, the rotation angle of the portable electronic musical instrument body may be detected through other methods.

Further, the control module 2 may have a plurality of control functions, such as adjusting different sound zones according to the rotation angle detected by the angle detection module 3; note that the sound zone is a part of the range, and may be divided into a high sound zone, a middle sound zone, and a low sound zone. The pitch to be emitted can be adjusted to the corresponding register according to the detected rotation angle.

That is, in the storage unit of the control module 2, a mapping table between the rotation angle and the sound zone may be preset, and when a corresponding trigger condition is received, data of the mapping table may be called.

In addition, the control module 2 may also be configured to control the audio playing module 4 to play tones of different scales, and further, may also control the charging module 7 to charge and discharge.

Specifically, the pressing module 1 is configured to receive a pressing event of a user, and control the audio playing module 4 to play tones of different scales through the control module 2.

For example, when the user rotates the portable electronic musical instrument, the control module 2 is triggered to adjust to the high pitch range, and then receives the pressing event of the user for the pressing module 1, and emits the tone corresponding to the scale, such as "la" of the high pitch.

In an embodiment of the present invention, the portable electronic musical instrument includes: the device comprises a pressing module 1, a control module 2, an angle detection module 3 and an audio playing module 4; the pressing module 1 is arranged above the control module 2, and the angle detection module 3 and the audio playing module 4 are respectively connected with the control module 2; the angle detection module 3 is used for detecting the rotation angle of the portable electronic musical instrument body; the control module 2 is used for adjusting different sound zones according to the rotation angle detected by the angle detection module 3; the pressing module 1 is used for receiving pressing events of a user and controlling the audio playing module 4 to play tones of different scales through the control module 2; the portable electronic musical instrument has smaller body design and is convenient to control and carry; the high, middle and low voice switching is quicker and smoother; the method has the advantages that the method adopts the most flexible mode of controlling a key scale by each finger, the left hand and the right hand are matched to achieve the perfect playing effect, the operation is simple, and the playing rhythm is smoother.

Referring to fig. 2, there is shown an exploded schematic view of a portable electronic musical instrument according to an embodiment of the present invention, which may include a power module 5, an input module 6, a charging module 7, a data interface 8, and the like, without being limited thereto.

In the embodiment of the present invention, the control module 2 is respectively connected to the power module 5, the input module 6, the charging module 7, the data interface 8, and other modules to control functions of the corresponding modules, specifically, the power module 5 is connected to the control module 2, the power module 5 is configured to provide electric energy, the power module 5 may include a battery, specifically, the type of the battery may be a nickel-cadmium battery, a nickel-hydrogen battery, a lithium battery, and the like, and the type of the battery is not limited too much in the embodiment of the present invention.

Further applied to the embodiment of the present invention, the input module 6 may be connected to the control module 2, and the input module 6 is configured to receive click information of a user. The input module 6 includes a key or a touch screen, and may also include other input modules 6, such as the input module 6 operated by gesture recognition, and the like, which is not limited in this embodiment of the present invention.

In a preferred embodiment, the portable electronic musical instrument comprises a display screen 9, the display screen 9 being connected to the control module 2, the display screen 9 being adapted to display information. The Display screen 9 may include an LCD (Liquid Crystal Display) Display screen 9, an OLED (organic Light Emitting Diode) flexible screen, a miniLED (Light Emitting Diode) Display screen 9, a micro led Display screen 9, and the like, which are not limited in the embodiments of the present invention

Practically applied to the embodiment of the present invention, the portable electronic musical instrument includes a charging module 7, the display screen 9 is connected to the control module 2, and the charging module 7 is used for transmitting electric energy to the power supply module 5. Specifically, portable electronic musical instrument includes data interface 8, data interface 8 is connected with control module 2, data interface 8 is used for exporting or input data to control module 2, and data interface 8 and charging module 7 can be integrated in same interface, are convenient for practice thrift the space. The audio playing module 4 comprises a loudspeaker.

It should be noted that, when the portable electronic musical instrument has a touch screen, a corresponding touch IC (Integrated Circuit) may be included, and the embodiment of the present invention does not make much limitation.

Referring to fig. 3, which is an exploded view of a portable electronic musical instrument according to an embodiment of the present invention, the pressing module 1 includes a key. This button can include button soft rubber cap 11, button decoration 12, key-press support, button ejector pin 13 and key circuit board 14 and constitute, and this key circuit board 14 is connected with control module 2, and the number of this button can be four or more than four, sends the tone of different scales respectively through a plurality of buttons, if, four buttons send four scales respectively: "do, re, mi, fa", another portable electronic musical instrument may emit another four scales of four keys: the examples of the present invention do not limit the "sol, la, xi, do" to much.

In the embodiment of the present invention, the portable electronic musical instrument may further include structural components or electrical components such as an upper cover 16, a lower cover 17, an end seat 18, a decorative plate 19, and wires, and the embodiment of the present invention does not excessively limit the types or the number of the structural components or the electrical components.

It should be noted that the portable electronic musical instrument has a length of 95-110mm, a width of 36-42mm and a height of 55-70mm, and the handheld performance function of the actual electronic musical instrument improves the convenience of use and carrying, but the above dimensions are only examples of the embodiment of the present invention, and may be other dimensions suitable for handheld performance that may be modified by those skilled in the art according to the actual situation, and the embodiment of the present invention does not limit the present invention too much.

Referring to fig. 4, an exploded schematic view of a portable electronic musical instrument according to an embodiment of the present invention is shown, the portable electronic musical instrument further includes a semitone module 10, the semitone module 10 is connected to the control module 2, and is configured to control the audio playing module 4 to play the tones of the semitone through the control module 2, where the semitone module 10 may include a semitone button and a semitone circuit board, and the semitone circuit board may be connected to the control module 4 through a wire or other connection methods (such as welding, etc.), so as to implement a function of outputting the semitone, and greatly enrich the function of the portable electronic musical instrument;

referring to fig. 5, which is a schematic diagram illustrating a portable electronic musical instrument according to an embodiment of the present invention, the semitone module 10 can be disposed at a side of the portable electronic musical instrument to improve the convenience of the user.

In order that those skilled in the art will better understand the embodiments of the present invention, the following is illustrated with a specific example:

specifically, referring to fig. 6, there is shown a schematic diagram of the use of a portable electronic musical instrument according to an embodiment of the present invention, as follows: 1. a user holds the portable electronic musical instrument with the loudspeaker facing upwards, plays and presses each key, and the gyroscope or the gravity accelerator can recognize the angle state and the musical instrument emits a middle pitch; 2. a user holds the portable electronic musical instrument, the horn falls down towards the left, each key is pressed during playing, the gyroscope or the gravity accelerator can recognize the change of the angle state, and the musical instrument generates bass; 3. the user holds the portable electronic musical instrument, the loudspeaker falls down towards the right, each key is pressed in playing, the gyroscope or the gravity accelerator can recognize the change of the angle state, and the musical instrument emits high pitch.

Specifically, the gravity sensor may measure three-dimensional motion acceleration values, which are represented by xyz three-dimensional numbers, and the change of the gravity acceleration in three directions may be measured in a stationary state, for example, when a PCB of the portable electronic musical instrument is vertical, x is 0 and y is g, and when the PCB of the portable electronic musical instrument is a degree from the vertical, x is g sina, y is g cosa, z is 0, and the xyz values may be read from the sensor to calculate the corresponding angle a. That is, the angles represent the sound zones, and the different sound zones correspond to a certain angle range, such as (-180, -45), (-45, 45), (45,180), which are defined as three sound zones, i.e., a high sound zone, a middle sound zone, and a low sound zone.

For example, the left-handed hand refers to a musical instrument with the horn facing upward and the reference zone being the midrange zone. Turning to a certain angle from the reference area to the right to form a bass area, and turning to a certain angle from the left to form a treble area; similarly, the finger organ is held by the right hand, the horn is upward, the reference area is a middle-tone area, and the reference area is turned to the right from the reference area to be a low-tone area. Turning to the left from the reference zone, it is a treble zone. The user can hold the portable electronic musical instrument and dance while playing corresponding music, and the portable electronic musical instrument is light in weight, small in size and very suitable for performance in the form of carrying a song.

Referring to fig. 7, a schematic usage diagram of a portable electronic musical instrument according to an embodiment of the present invention is shown, and specifically, the portable electronic musical instrument may be divided into "sinistral organ" and "dextral organ", where a user holds the "sinistral organ" by the left hand and the "dextral organ" by the right hand, respectively, and four keys of the "sinistral organ" may emit four scales: the four keys of "do, re, mi, fa", and "right-handed organ" can emit four scales: the 'sol, la, xi and do' can be played by using two hands, auxiliary devices such as seats and supports do not need to be arranged, and the convenience of playing is greatly improved.

In a preferred embodiment, the input module 6, the charging module 7 and the data interface 8 can be disposed at the end seat 18, so as to save space, improve user convenience, increase integration level and reduce cost.

Specifically, the input module 6 may include an on-off key, a volume key, a tone key, a musical instrument selection key, etc., which are not limited in the embodiment of the present invention, and of course, the end seat 18 may further include a charging indicator light, etc., which is not limited in the embodiment of the present invention

Referring to fig. 8, there is shown a schematic circuit diagram of a portable electronic musical instrument according to an embodiment of the present invention, wherein the control module circuit 31 is respectively connected to the signal input switch circuit 32 (i.e. a note key circuit, an on-off key circuit, a volume key circuit, etc.), the audio power amplification circuit 33, the gravity sensor circuit 34, the voltage stabilizing circuit 35, the left and right hand key selection circuit 36, the charge detection circuit 37, the charge circuit 38, the charge indicator circuit 39, etc., and of course, other circuits such as the low voltage detection circuit 40, etc., may be included.

It should be noted that the signal input switch circuit 32 may include S1 to S4 note key circuits, S5 is an on/off key circuit, S6 is a musical instrument selection key circuit, S7 is a volume key circuit, S8 is a tone key circuit, and S9 is a semitone key circuit, which is obviously any key circuit that may be set by those skilled in the art according to actual situations, and the present invention is not limited to this.

The above detailed description of the portable electronic musical instrument provided by the present invention, and the specific examples applied herein have been provided to illustrate the principles and embodiments of the present invention, and the above descriptions of the examples are only provided to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. A portable electronic musical instrument, comprising:

the device comprises a pressing module, a control module, an angle detection module and an audio playing module;

the pressing module is arranged above the control module, and the angle detection module and the audio playing module are respectively connected with the control module;

the angle detection module is used for detecting the rotation angle of the portable electronic musical instrument body; the control module is used for adjusting different sound zones according to the rotation angle detected by the angle detection module; the pressing module is used for receiving pressing events of users and controlling the audio playing module to play tones of different scales through the control module.

2. The portable electronic musical instrument of claim 1 comprising a power module coupled to the control module, the power module for providing electrical power.

3. The portable electronic musical instrument of claim 1, comprising an input module coupled to the control module, the input module configured to receive click information from a user.

4. The portable electronic musical instrument according to claim 3, wherein the input module comprises a key or a touch screen.

5. The portable electronic musical instrument of claim 1, comprising a display screen coupled to the control module, the display screen for displaying information.

6. The portable electronic musical instrument of claim 1, comprising a charging module, the display screen being connected to the control module, the charging module being configured to transmit power to the power module.

7. The portable electronic musical instrument according to claim 1, comprising a data interface connected to the control module, the data interface for outputting or inputting data to the control module.

8. The portable electronic musical instrument of claim 1, wherein the audio playback module comprises a speaker; the pressing module comprises a key.

9. The portable electronic musical instrument according to claim 1, comprising a semitone module connected to the control module for controlling the audio playing module to play the tones of a semitone through the control module.

10. The portable electronic musical instrument according to claim 1, wherein the angle detection module includes a gravity sensor and an angular velocity sensor.

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