阅读说明：本技术 钢琴静音装置及包含该装置的钢琴、钢琴教学系统 (Piano silencer and the piano comprising the device, Piano Teaching system ) 是由 刘晓露 李凯文 滕杨裔 李政春 于 2018-05-28 设计创作，主要内容包括：本发明提供钢琴静音装置及包含该装置的钢琴、钢琴教学系统,其中钢琴静音装置包括：机电驱动装置、机电驱动装置固定座、偏心轴架、及静音挡板。机电驱动装置固定座用于将机电驱动装置固定于近静音挡板一端的位置处；机电驱动装置的转轴与偏心轴架连接；偏心轴架与静音挡板的一端连接；静音挡板位于钢琴的各击弦榔头前方。在非静音模式下,静音挡板位于不阻挡各击弦榔头敲击琴弦的第一位置处；在静音模式下,机电驱动装置驱动偏心轴架转动,以带动静音挡板从第一位置移动至阻挡各击弦榔头敲击琴弦的第二位置处。本发明结构简单、便于操作,有利于实现对多架钢琴的统一控制,以使多架钢琴同时切换至静音模式或非静音模式。(The present invention provides piano silencer and the piano comprising the device, Piano Teaching system, and wherein piano silencer includes: electro-mechanical driving device, electro-mechanical driving device fixing seat, eccentric pedestal and mute baffle.Electro-mechanical driving device fixing seat is used to for electro-mechanical driving device being fixed at the position of nearly mute baffle one end；The shaft of electro-mechanical driving device is connect with eccentric pedestal；Eccentric pedestal is connect with one end of mute baffle；Mute baffle is located at respectively the hitting in front of string hammer of piano.Under non-mute mode, mute baffle is located at the first position for not stopping respectively to hit string hammer percussion string；Under the silent mode, electro-mechanical driving device drives eccentric pedestal rotation, the second place for stopping respectively to hit string hammer to drive mute baffle to be moved to from first position and tapping string.The configuration of the present invention is simple is convenient for operation, is advantageously implemented and is uniformly controlled to multi rack piano, so that multi rack piano switches to silent mode or non-mute mode simultaneously.)

1. a kind of piano silencer characterized by comprising electro-mechanical driving device, electro-mechanical driving device fixing seat, eccentric shaft Frame and mute baffle；The electro-mechanical driving device fixing seat is used to for the electro-mechanical driving device to be fixed on the nearly mute gear At the position of plate one end；The shaft of the electro-mechanical driving device is connect with the eccentric pedestal；It is described bias pedestal with it is described quiet One end of sound baffle connects；The mute baffle is located at respectively the hitting in front of string hammer of the piano；Wherein,

Under non-mute mode, the mute baffle, which is located at, does not stop each string hammer that hits to tap at the first position of string；

Under the silent mode, the electro-mechanical driving device driving eccentric pedestal rotation, to drive the mute baffle from institute It states first position and is moved to and stop each second place hit string hammer and tap string.

2. piano silencer according to claim 1, which is characterized in that further include: the communication connection electromechanical driving The control unit of device, and with described control unit communication connection with one of lower unit or multiple combinations:

Communication unit, for receiving external control signal by wired or wireless electric signal, so that described control unit is according to institute It states external control signal and controls the electro-mechanical driving device；

Sensing unit, for receiving external control signal by way of infrared or bluetooth or radio magnetic wave, for the control Unit processed controls the electro-mechanical driving device according to the external control signal；

Input unit, for obtaining user's operation and generating control signal according to the user's operation, for described control unit The electro-mechanical driving device is controlled according to control signal generated.

3. piano silencer according to claim 2, which is characterized in that the input unit include: be set to it is described Contact sensor, pedal or the additional function button of piano.

4. piano silencer according to claim 2, which is characterized in that the electro-mechanical driving device is using included angle The servo motor of control；When receiving the external control signal, the angular transducer of the servo motor can be according to described outer Portion controls the rotation control that the angle information in signal executes respective angles.

5. piano silencer according to claim 2, which is characterized in that the electro-mechanical driving device uses direct current Machine, decelerating motor or stepper motor；The piano silencer further include: for detect the mute baffle whether move to it is described Position sensor, angular transducer or the proximity sensor of the second position；Wherein,

Described control unit is learnt described according to the detection signal of the position sensor, angular transducer or proximity sensor Difference between the virtual condition and expectation state of the rotational angle of eccentric pedestal carries out the adjusting control of the eccentric pedestal with this System.

6. piano silencer according to claim 2, which is characterized in that the mute baffle is by magnetizable metal material It is made；The piano silencer further include:

First electromagnetic coil is set to the first position, is electrically connected described control unit；

Second electromagnetic coil is set to the second position, is electrically connected described control unit；

Command signal determines whether to open the silent mode described control unit based on the received；

It is described to enable first electromagnetic coil be attracted to the mute baffle if it is not, first electromagnetic coil is then connected First position, to open the non-mute mode；

It is described to enable second electromagnetic coil be attracted to the mute baffle if so, conducting second electromagnetic coil The second position, to open the silent mode.

7. a kind of piano characterized by comprising the piano silencer as described in any in claim 1 to 6.

8. a kind of Piano Teaching system characterized by comprising server-side, and at least with server-side communication connection One frame piano as claimed in claim 7；Wherein, the server-side is used to send command signal to an at least frame piano, To enable an at least frame piano that its operating mode is adjusted to silent mode or non-mute mode.

9. a kind of piano is mute or the control method of non-mute mode, which is characterized in that be applied to as appointed in claim 2 to 6 Piano silencer described in one；The described method includes:

In the mute control signal of reception piano, controls the electro-mechanical driving device driving eccentric pedestal and rotate forward, with The mute baffle is driven to be moved to the second place from the first position；

In the non-mute control signal of reception piano, controls the electro-mechanical driving device driving eccentric pedestal and rotates backward, To drive the mute baffle to be moved to from the first position from the second position.

10. according to the method described in claim 9, it is characterized by further comprising:

In the non-mute control signal of reception piano, first electromagnetic coil is connected, to enable first electromagnetic coil by institute It states mute baffle and is attracted to the first position, to open the non-mute mode；

In the mute control signal of reception piano, second electromagnetic coil is connected, to enable second electromagnetic coil described Mute baffle is attracted to the second position, to open the silent mode.

Technical field

The present invention relates to piano field, the piano more particularly to piano silencer and comprising the device, Piano Teaching System.

Background technique

Piano range scope is very wide, almost enumerates the whole musical sounds in Musical System.Player passes through by lower keyboard Key, pull piano inside hammer to beat string, then string makes a sound.With community culture life it is continuous rich The owning amount of richness, piano is increasing, accompanying problem is that: traditional piano sound when playing is larger, causes certain The problem that disturbs residents of degree.For this problem, current solution is to install silencing system on traditional piano, to make qin Mallet can not touch string to reach muting function.However, this silencing system needs to drive by manual joystick or foot pedal The movement of animal reason barrier rib opens or closes mute function to reach, and existing defect is as follows:

1. plate is dynamic to need certain torque, inconvenient, more unsuitable child resistant；Once there is the case where misoperation hair It is raw, then most likely result in internal structure damage；

2. opening and closing as needed in use, needing the arrangement of student manual engagement teacher in group instruction environment Mute function is closed, causes inconvenient, influences teaching process；

3. driving structure must be exposed for, the overall appearance aesthetic feeling of piano is destroyed.

Summary of the invention

In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide piano silencer and include the dress The piano set, Piano Teaching system, for solving problem above in the prior art.

In order to achieve the above objects and other related objects, the present invention provides a kind of piano silencer, comprising: electromechanics driving Device, electro-mechanical driving device fixing seat, eccentric pedestal and mute baffle；The electro-mechanical driving device fixing seat is used for will be described Electro-mechanical driving device is fixed at the position of nearly described mute baffle one end；The shaft of the electro-mechanical driving device and the bias Pedestal connection；The bias pedestal is connect with one end of the mute baffle；The mute baffle is located at respectively hitting for the piano In front of string hammer；Wherein, under non-mute mode, the mute baffle, which is located at, does not stop each string hammer that hits to tap string At first position；Under the silent mode, the electro-mechanical driving device driving eccentric pedestal rotation, to drive the mute gear Plate is moved to from the first position stops each second place hit string hammer and tap string.

In one embodiment of the invention, described device further include: the control unit of the electro-mechanical driving device is communicated to connect, And with described control unit communication connection with one of lower unit or multiple combinations: communication unit, for by wired The mode of network or radio signal receives external control signal, so that described control unit is according to the external control signal control Make the electro-mechanical driving device；Sensing unit, for receiving external control by way of infrared or bluetooth or radio magnetic wave Signal, so that described control unit controls the electro-mechanical driving device according to the external control signal；Input unit, for obtaining It takes user's operation and control signal is generated according to the user's operation, so that described control unit is according to control signal generated Control the electro-mechanical driving device.

In one embodiment of the invention, the input unit include: the contact sensor for being set to the piano, pedal, Or additional function button.

In one embodiment of the invention, the electro-mechanical driving device is using the servo motor for carrying angle control；It is receiving When the external control signal, the angular transducer of the servo motor can be according to the angle information in the external control signal Execute the rotation control of respective angles.

In one embodiment of the invention, the electro-mechanical driving device uses direct current generator, decelerating motor or stepper motor；Institute State piano silencer further include: for detecting whether the mute baffle moves to the position sensor of the second position, angle Spend sensor or proximity sensor；Wherein, described control unit is according to the position sensor, angular transducer or close biography The detection signal of sensor learns the difference between the virtual condition and expectation state of the rotational angle of the eccentric pedestal, with this into The adjusting control of the row eccentric pedestal.

In one embodiment of the invention, the mute baffle is made of magnetizable metal material；The piano silencer Further include: the first electromagnetic coil is set to the first position, is electrically connected described control unit；Second electromagnetic coil, setting In the second position, it is electrically connected described control unit；Command signal determines whether to described control unit based on the received Open the silent mode；If it is not, first electromagnetic coil is connected, then to enable first electromagnetic coil by the mute gear Plate is attracted to the first position, to open the non-mute mode；If so, conducting second electromagnetic coil, to enable The mute baffle is attracted to the second position by second electromagnetic coil, to open the silent mode.

In order to achieve the above objects and other related objects, the present invention provides a kind of piano, comprising: as above any steel Qin silencing apparatus.

In order to achieve the above objects and other related objects, the present invention provides a kind of Piano Teaching system, comprising: server-side, And at least frame piano as described above with server-side communication connection；Wherein, the server-side be used for it is described extremely A few frame piano sends command signal, to enable an at least frame piano that its operating mode is adjusted to silent mode or non-mute Mode.

In order to achieve the above objects and other related objects, the present invention provides that a kind of piano is mute or the control of non-mute mode Method, applied to as above any piano silencer；The described method includes: in the mute control signal of reception piano, It controls the electro-mechanical driving device driving eccentric pedestal to rotate forward, to drive the mute baffle from the first position It is moved to the second place；In the non-mute control signal of reception piano, control described in the electro-mechanical driving device driving Eccentric pedestal rotates backward, to drive the mute baffle to be moved to from the first position from the second position.

In one embodiment of the invention, the method also includes: in the non-mute control signal of reception piano, described in conducting First electromagnetic coil, to enable first electromagnetic coil that the mute baffle is attracted to the first position, to open institute State non-mute mode；In the mute control signal of reception piano, second electromagnetic coil is connected, to enable second electromagnetic wire The mute baffle is attracted to the second position by circle, to open the silent mode.

As described above, piano silencer and the piano comprising the device, Piano Teaching system of the invention, have following The utility model has the advantages that

1) structure is simple, is convenient for operation, and avoiding existing torque operation at that time can not damage piano internal structure Risk；

2) it in group instruction environment, is advantageously implemented and multi rack piano is uniformly controlled, so that multi rack piano is cut simultaneously Silent mode or non-mute mode are shifted to, efficiency of teaching is improved；

3) driving structure is not exposed, maintains the aesthetic feeling of piano appearance.

Detailed description of the invention

Fig. 1 is shown as the application scenarios signal of the piano silencer under the non-mute state in one embodiment of the invention Figure.

Fig. 2 is shown as the partial enlarged view of part A in Fig. 1.

Fig. 3 is shown as the application scenarios schematic diagram of the piano silencer under the mute state in one embodiment of the invention.

Fig. 4 is shown as the partial enlarged view of part B in Fig. 1.

Fig. 5 is shown as the cellular construction schematic diagram of the piano silencer in one embodiment of the invention.

Component label instructions

1 hammered string instrument foot prop

2 electro-mechanical driving devices

3 electro-mechanical driving device fixing seats

4 eccentric pedestals

5 mute baffles

6 hit string hammer

501 control units

502 communication units

503 sensing units

504 input units

Specific embodiment

Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation Feature in example can be combined with each other.

It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel It is likely more complexity.

FIG. 1 to FIG. 4 is please referred to, the present embodiment provides a kind of piano silencer, which specifically includes that machine Electric driver 2, electro-mechanical driving device fixing seat 3, eccentric pedestal 4 and mute baffle 5, wherein electro-mechanical driving device 2 be with Electric energy is the mechanical operating parts of power, such as: various types of motors and solenoid valve etc., electro-mechanical driving device fixing seat 3 are used It is electromechanical at the position that electro-mechanical driving device 2 is fixed on to nearly mute 5 one end of baffle (being the outside of hammered string instrument foot prop 1 in figure) The shaft of driving device 2 is connect with eccentric pedestal 4, and eccentric pedestal 4 is connect with one end of mute baffle 5, and mute baffle 5 is located at steel Qin respectively hits 6 front of string hammer.

Hammered string instrument foot prop can be made of kirsite.Electro-mechanical driving device 2 can be using the servo of included angle control Motor or direct current generator, decelerating motor or stepper motor etc..Electro-mechanical driving device fixing seat 3 and mute baffle 5 can use cold Rolling sheets material is made.Eccentric pedestal 4 can be made of PA66 material.Hitting string hammer 6 can outer stiffened wool felt.

Under the driving of electro-mechanical driving device 2, eccentric pedestal 4 can be rotated forward, be rotated backward, to drive mute The back-and-forth motion of baffle 5.Detailed, the present embodiment is so-called to rotate forward to rotate clockwise, and it is counterclockwise for rotating backward Rotation.

Fig. 2 shows state diagram of the piano silencer of the present embodiment under non-mute mode, at this point, mute baffle 5 Positioned at the first position for not stopping respectively to hit string hammer 6 and tapping string.When the piano silencer from non-mute pattern switching to When silent mode, electro-mechanical driving device 2 drives eccentric pedestal 4 to rotate forward, so that mute baffle 5 be driven respectively to hit from separate The first position of string hammer 6 is moved to close to the second position for respectively hitting string hammer 6, as shown in Figure 4.When mute baffle 5 reaches the It can stop respectively to hit the percussion string of string hammer 6 behind two positions, then reach piano muting function.

Opposite, Fig. 4 shows the state diagram of the piano silencer of the present embodiment under the silent mode, at this point, mute Baffle 5, which is located at, stops respectively to hit the second position that string hammer 6 taps string.When the piano silencer is switched to from silent mode When non-mute mode, electro-mechanical driving device 2 drives eccentric pedestal 4 to rotate backward, to drive mute baffle 5 from close to each The second position for hitting string hammer 6 is moved to far from the first position for respectively hitting string hammer 6, as shown in Figure 2.When mute baffle 5 reaches It just will not stop respectively to hit the percussion string of string hammer 6 behind first position, then restore the effect of piano normal articulation.

In another embodiment, the structure of the drive control of above-mentioned electro-mechanical driving device 2 as shown in Figure 5 is realized.Specifically, It include: the control unit 501 of communication connection electro-mechanical driving device 2, and the communication unit communicated to connect with control unit 501 502, sensing unit 503, input unit 504.It should be noted that the present embodiment is a kind of preferred implementation, this field Technical staff can according to actual needs select communication unit 502, sensing unit 503, input unit 504, such as only select One of which is selected, or any two is selected to be combined, and is not limited to this embodiment.

Communication unit 502 can be received outer such as GPRS module, WIFI module by way of wired or wireless electric signal Portion controls signal, so that control unit 501 controls the electro-mechanical driving device according to the external control signal.

Sensing unit 503, can be by infrared or bluetooth or wireless such as infrared module, bluetooth module, radio module The mode of electromagnetic wave receives external control signal, so that control unit 501 controls the electromechanics according to the external control signal Driving device.

Input unit 504 can be obtained such as the contact sensor, pedal or additional function button that are set to the piano It takes family and generates control signal to the operation of contact sensor, pedal or additional function button and according to the operation, for control Unit 501 controls the electro-mechanical driving device according to control signal generated.

The external control signal of 501 receiving communication unit 502 of control unit, sensing unit 503, or receive input unit The 504 control signals generated are allowed to drive the machinery in previous embodiment to correspondingly be controlled electro-mechanical driving device Structure completes the open and close of silent mode.

For example, the piano silencer executes that piano is mute or the controlling party of non-mute mode according to receiving signal Method the following steps are included:

Step 1, when receiving the mute control signal of piano, controlling the electro-mechanical driving device driving bias pedestal just To rotation, to drive the mute baffle to be moved to the second place from the first position；

Step 2, when receiving the non-mute control signal of piano, control the electro-mechanical driving device driving bias pedestal It rotates backward, to drive the mute baffle to be moved to from the first position from the second position.

In other embodiments, when servo motor of the electro-mechanical driving device using included angle control, control is single Member enables the angular transducer of the servo motor according in the external control signal after receiving the external control signal Angle information executes the rotation control of respective angles, to guarantee angular turn in place.

In other embodiments, the piano silencer further include: for detecting whether the mute baffle moves to institute The position sensor, angular transducer or proximity sensor of the second position are stated, at this point, the electro-mechanical driving device should cooperate Using direct current generator, decelerating motor or stepper motor.Described control unit according to the position sensor, angular transducer or The detection signal of proximity sensor learns the difference between the virtual condition and expectation state of the rotational angle of the eccentric pedestal, The adjusting control that the eccentric pedestal is carried out with this, to guarantee angular turn in place.

In other embodiments, the mute baffle is made of magnetizable metal material.The piano silencer also wraps It includes: the first electromagnetic coil, the second electromagnetic coil, wherein the first electromagnetic coil is set to the first position, described in electric connection Control unit；Second electromagnetic coil is set to the second position, is electrically connected described control unit.Described control unit according to Received command signal determines whether to open the silent mode.If it is not, first electromagnetic coil is then connected, described in enabling The magnetizable mute baffle is attracted to the first position by the first electromagnetic coil, to open the non-mute mode； If so, conducting second electromagnetic coil, to enable second electromagnetic coil be attracted to the magnetizable mute baffle The second position, to open the silent mode.

At this point, the piano silencer according to receive signal execute that piano is mute or the control method of non-mute mode also The following steps are included:

Step 1, when receiving the non-mute control signal of piano, first electromagnetic coil is connected, it is described first electric to enable The mute baffle is attracted to the first position by magnetic coil, to open the non-mute mode；

Step 2, when receiving the mute control signal of piano, conducting second electromagnetic coil, to enable second electromagnetism The mute baffle is attracted to the second position by coil, to open the silent mode.

The present invention also provides a kind of pianos including piano silencer described in any embodiment as above.Due to above It is described in detail through the principle to the piano silencer, just it is no longer repeated herein.

In addition to this, the present invention also provides a kind of Piano Teaching systems, comprising: server-side, and it is logical with the server-side Believe the foregoing piano of an at least frame of connection.The server-side is used to send command signal to an at least frame piano, To enable an at least frame piano that its operating mode is adjusted to silent mode or non-mute mode.

The Piano Teaching system of the present embodiment, maximum feature are facilitated under more piano group instruction environment, Lao Shineng The mute function that the piano of each student is directly controlled by approach such as networks is operated using simple software, so that teaching equipment Controllable power rest in teacher's hand, avoid classroom discipline chaotic, improve efficiency of teaching.

In conclusion piano silencer and the piano comprising the device, Piano Teaching system of the invention, effectively overcome Various shortcoming in the prior art and have high industrial utilization value.

The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as At all equivalent modifications or change, should be covered by the claims of the present invention.