CN104200800A

CN104200800A - Electromechanical metronome

Info

Publication number: CN104200800A
Application number: CN201410441530.XA
Authority: CN
Inventors: 管小金
Original assignee: Individual
Current assignee: Shandong Wang Chao Tianrun Machinery Manufacturing Co ltd
Priority date: 2014-09-01
Filing date: 2014-09-01
Publication date: 2014-12-10
Anticipated expiration: 2034-09-01
Also published as: CN104200800B

Abstract

The invention discloses an electromechanical metronome, which comprises a casing, a power supply unit arranged in the casing, a controller connected to the power supply unit, a motor connected to the controller and a loudspeaker; an output shaft of the motor A swing rod is fixed on the top, the lower end of the swing rod is located in the casing, and the upper end of the swing rod extends out of the casing; a sensor is provided on both sides of the casing and at the corresponding position of the maximum swing range of the lower end of the swing rod, and the sensor and the The controller is connected, and when the sensor detects that the lower part of the pendulum swings to the maximum swing position, it sends a trigger signal to the controller, and the controller controls the motor to reverse, and the motor drives the pendulum to swing back and forth. The electromechanical metronome disclosed by the present invention aims to provide an electromechanical metronome combining machinery and electronics, which overcomes the shortcomings of mechanical metronome inaccurate beats, asymmetrical swings and lack of vivid and intuitive display of electronic metronome.

Description

A kind of dynamo-electric metronome

[technical field]

The present invention relates to a kind of musical instrument assistive device, be specifically related to a kind of dynamo-electric metronome.

[background technology]

Begin to learn musical instrument and chanteur and conventionally all can use metronome, its role is to help musician and chanteur to stablize rhythm, cultivate good stable musicality, better grasp melody; Normally used in prior art is two kinds of mechanical metronome and electronic metronomes, mechanical metronome has advantages of that the indication of posing for photograph is directly perceived, not consuming electric power, but its tone color is dull, beat is precise and stable not, and the amplitude of oscillation is often asymmetric, stream time is of short duration, and a few minutes will last clockwork spring; Although electronic metronome has overcome the shortcoming that tone color is single, beat is inaccurate, it does not have the device of this similar baton of fork, and indication bat is visual in image not, and operation more complicated.

[summary of the invention]

For above-mentioned defect, the invention discloses a kind of dynamo-electric metronome, aim to provide the dynamo-electric metronome that a kind of machinery combines with electronics, overcome that mechanical metronome beat is inaccurate, the amplitude of oscillation is asymmetric and electronic metronome shows the shortcoming that bat is visual in image not.

Technical scheme of the present invention is as follows:

A dynamo-electric metronome, the power supply unit in comprising shell and being located at described shell, the controller being connected with described power supply unit, the motor and the loudspeaker that are connected with described controller; On the output shaft of described motor, be fixed with a fork, the lower end of described fork is positioned at shell, and housing exterior is stretched out in fork upper end; The correspondence position of the maximum amplitude of oscillation in described shell both sides and fork lower end is respectively provided with a sensor, described sensor is connected with described controller, when the bottom that sensor detects described fork is rocked to maximum amplitude of oscillation place, to controller, send a trigger pip, controller is controlled motor reversal, driven by motor fork reciprocally swinging.

In dynamo-electric metronome disclosed by the invention, by motor, drive fork, the correspondence position of the maximum amplitude of oscillation in shell both sides and fork lower end is respectively provided with a sensor, described sensor is connected with described controller, when the bottom that sensor detects described fork is rocked to maximum amplitude of oscillation place, to controller, send a trigger pip, controller is controlled motor reversal, drive fork reciprocally swinging, sensor can accurately detect the swing of fork, thereby accurately control the left and right amplitude of oscillation of fork, overcome mechanical metronome beat inaccurate, the asymmetric shortcoming of the amplitude of oscillation, loudspeaker can send metronome in conjunction with the rhythm of fork simultaneously, thereby the function of beat is beaten in visual in image realization.

[accompanying drawing explanation]

Fig. 1 is the structural representation of the embodiment of the present invention;

Fig. 2 is the phantom view of Fig. 1.

[embodiment]

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.

As shown in Figure 1 to Figure 2, dynamo-electric metronome of the present invention, power supply unit, the controller being connected with described power supply unit, the motor 8 being connected with described controller and loudspeaker 10 in comprising shell 4 and being located at described shell 4; On the output shaft of described motor 8, be fixed with a fork 1, the lower end of described fork 1 is positioned at shell 4, and shell 4 outsides are stretched out in fork 1 upper end; The correspondence position of the maximum amplitude of oscillation in described shell 4 both sides and fork 1 lower end is respectively provided with a sensor 7, described sensor 7 is connected with described controller, when the bottom that sensor 7 detects described fork 1 is rocked to the maximum amplitude of oscillation place of a side, to controller, send a trigger pip, controller is controlled motor 8 reversions, and motor 8 drives fork 1 reciprocally swinging, in concrete enforcement, described sensor 7 can be selected infrared ray sensor, detects accurately the swing position of fork 1;

In dynamo-electric metronome disclosed by the invention, by motor 8, drive fork 1, the correspondence position of the maximum amplitude of oscillation in shell 4 both sides and fork 1 lower end is respectively provided with a sensor 7, described sensor 7 is connected with described controller, when the bottom that sensor 7 detects described fork 1 is rocked to maximum amplitude of oscillation place, to controller, send a trigger pip, controller is controlled motor 8 reversions, drive fork 1 reciprocally swinging, sensor 7 can accurately detect the swing of fork, thereby accurately control the left and right amplitude of oscillation of fork 1, overcome mechanical metronome beat inaccurate, the asymmetric shortcoming of the amplitude of oscillation, loudspeaker 10 can send metronome in conjunction with the rhythm of fork 1 simultaneously, thereby the function of beat is beaten in visual in image realization.

Preferably, described controller comprises a pcb board 9; Described pcb board 9 is provided with for controlling the speech chip of described loudspeaker and power discharging IC, motor drive IC for controlling the rotating speed of described motor and turning to, the change of the sounding of the rotating speed of motor 8, loudspeaker 10 and tone color, rhythm is all to be controlled by the MCU on pcb board 9 and interlock circuit, thereby integrated mechanical type metronome image, advantage and electronic metronome tone color, the abundant advantage of rhythm intuitively, to control convenient simultaneously;

Further, on described pcb board 9, be also provided with the earphone socket 11 being connected with described speech chip, for frames connecting with headphone, listen to beat sound, the interference of ambient noise to beat while using under noisy occasion to reduce, thus adapt to different environments for use;

Preferably, described power supply unit comprises the dry battery assembly 14 of being located in described shell 4, powers to dynamo-electric metronome disclosed by the invention, to guarantee its portability by dry cell; In concrete enforcement, the top of dry battery assembly 14 is also provided with for supporting the bracing frame 13 of described motor 8, makes motor 8 operations more steady, reduces noise;

Further, described power supply unit also comprises the USB socket 12 being connected with described controller, to be that dynamo-electric metronome is powered by the external civil power of USB adapter, do not needing to make battery-powered occasion, connect the power supply of USB adapter, reduce the use of dry cell, environmental protection more, be conducive to guarantee continuation of the journey simultaneously, there is good maneuverability;

Preferably, the outside of described shell 4 is provided with for showing that the speed of tempo coils 2 quarter, and the upper end of fork 1 is pointed to this speed and coiled 2 quarter, and the speed of beating beat is coiled on 2 and to be had sign at scale quarter, and user can know the velocity amplitude of beating beat very intuitively;

Further, the correspondence position that coils each speed scale value on 2 in speed quarter is provided with LED light 3, when controller receives beat indicator, controls corresponding LED light 3 glittering, makes the demonstration of tempo more directly perceived;

Preferably, be also provided with an ANTENN AUDIO receiving element in described shell 4, described ANTENN AUDIO receiving element is connected with described controller; This ANTENN AUDIO receiving element can receive the sound signal of outside mobile terminal, sound signal sends to loudspeaker 10 after processing through controller and plays, for example, in concrete enforcement, described ANTENN AUDIO receiving element is a bluetooth module or wifi module, convenient and mobile phone, panel computer or other mobile devices connect, and share the source of sound of mobile device, to make music learning, person better plays exercise accompaniment;

Preferably, be also provided with for receiving the wireless signal receiver of telepilot steering order in shell 4, the signal output part of this wireless signal receiver is connected with described controller, the steering order that described wireless signal receiver reception telepilot sends also sends to controller, controller is converted to this steering order to control described motor 8 or loudspeaker 10 or LED light after corresponding control signal and make corresponding response, by telepilot, carry out the size of remote control adjustment volume, tone color, bat and the speed of beating beat, in concrete enforcement, tone color has voice, tum, wooden fish sound, the common beat tone colors of beating such as mechanical metronome sound, rhythm type has 0, 1, 2, 3, 4, 6 etc., can regulate by corresponding function button on telepilot, use convenient,

Preferably, be also provided with for receiving the wireless signal receiver of telepilot steering order in shell 4, the signal output part of this wireless signal receiver is connected with described controller; The steering order that described signal receiver reception telepilot sends also sends to controller, controller is converted to this steering order to control described motor 8 or loudspeaker 10 or LED light 3 after corresponding control signal and make corresponding response, realizes dynamo-electric metronomic remote control;

Preferably, the bottom of described shell 4 is sealed by bottom 6, shell 4 is provided with volume adjustment knob 5, tone color adjusting knob and the speed adjusting knob being connected with described controller, carrying out corresponding volume adjusting, tone color adjusting and motor speed regulates, the mode that knob regulates is convenient to user's operation, facilitates new hand to use;

Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present invention.

Claims

1. A kind of electromechanical metronome, it is characterized in that: comprise shell and be located at the power supply unit in described shell, the controller that is connected with described power supply unit, the motor that is connected with described controller and loudspeaker; The motor of described motor A swing rod is fixed on the output shaft, the lower end of the swing rod is located in the casing, and the upper end of the swing rod protrudes from the outside of the casing; a sensor is provided on both sides of the casing and at the position corresponding to the maximum swing range of the lower end of the swing rod, and the sensor and The controller is connected, and when the sensor detects that the lower part of the pendulum swings to the maximum swing, it sends a trigger signal to the controller, the controller controls the motor to reverse, and the motor drives the pendulum to swing back and forth.

2. The electromechanical metronome as claimed in claim 1, wherein: the controller comprises a PCB; the PCB is provided with a voice chip and a power amplifier IC for controlling the loudspeaker, for controlling the Motor driver IC for motor speed and steering.

3. The electromechanical metronome according to claim 2, characterized in that: said PCB board is also provided with an earphone socket connected to said voice chip, for connecting earphones to listen to the beat sound.

4. The electromechanical metronome according to claim 1, characterized in that: the power supply unit includes a USB socket connected to the controller, and the electromechanical metronome is powered by an external commercial power through a USB adapter.

5. The electromechanical metronome according to claim 1, characterized in that: a speed dial for displaying the beat speed is provided outside the housing, and the upper end of the swing rod points to the speed dial.

6. The electromechanical metronome as claimed in claim 5, characterized in that: an LED indicator light is provided at the corresponding position of each speed scale value on the speed dial, and when the controller receives the beat indication command, it controls the corresponding LED indicator The lights are shining.

7. The electromechanical metronome as claimed in claim 1, characterized in that: a wireless audio receiving unit is also provided in the housing, and the wireless audio receiving unit is connected with the controller; the wireless audio receiving unit can receive The audio signal of the external mobile terminal is sent to the speaker for playback after being processed by the controller.

8. The electromechanical metronome according to claim 1, characterized in that: a wireless signal receiver for receiving remote controller control instructions is also provided in the housing, and the signal output end of the wireless signal receiver is connected to the controller ; The signal receiver receives the control command sent by the remote controller and sends it to the controller, and the controller converts the control command into a corresponding control signal and then controls the motor or speaker to make a corresponding response.

9. The electromechanical metronome as claimed in claim 6, characterized in that: a wireless signal receiver for receiving remote controller control instructions is also provided in the housing, and the signal output end of the wireless signal receiver is connected to the controller The signal receiver receives the control command sent by the remote controller and sends it to the controller, and the controller converts the control command into a corresponding control signal and then controls the motor or speaker or LED indicator light to make a corresponding response.

10. The electromechanical metronome according to claim 1, characterized in that: the bottom of the housing is closed by a bottom cover, and the housing is provided with a volume adjustment knob, a tone adjustment knob and a speed adjustment knob connected to the controller, Carry out corresponding volume adjustment, tone adjustment and motor speed adjustment.