CN2200852Y

CN2200852Y - Piano

Info

Publication number: CN2200852Y
Application number: CN 94223288
Authority: CN
Inventors: 梁泽敏
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-10-25
Filing date: 1994-10-25
Publication date: 1995-06-14
Anticipated expiration: 2004-10-25

Abstract

A piano overcomes a defect of pianos not having the acoustic quality of an electric organ, comprising a piano keyboard, a string, a string hammer, a string hammer pole, a pallet and a piano body, etc. The utility model is characterized in that a circuit board of an electric organ is arranged on the piano body, a photoelectric switch is equipped correspondingly between the piano keyboard and the pallet, the photoelectric switch is connected with the circuit board of the electric organ, a mute pole is arranged between the string and the string hammer pole, the both ends of the mute pole can be rotatablely fixed on the plates of both sides of the piano body, an interlock mechanism mounted on a pedal of the piano body is connected with the mute pole, a power switch is provided next to the interlock mechanism or the mute pole, a composite switch is also equipped on the piano body, and it is connected with the power switch in parallel. The piano has advantages that it can maintain the acoustic quality of the piano, can make use of the piano keyboard to conduct an electric organ playing, can play the acoustic quality not only combining the piano and the electric organ, but also can play the acoustic quality respectively.

Description

Piano

The utility model relates to a kind of piano.

In the prior art, mellotron generally is to trigger its circuit sounding by the key conductive rubber switch that touches under it that moves up and down, as the logical U.S. board of domestic product, model is the TM4902-E mellotron, and piano is to drive hammerhead by the shake-up key to knock the string sounding, because the key structure of mellotron is different with the key structure of piano, feel concerning the player when playing also is different, mellotron has the tone color function of the multiple musical instrument of imitation, by controlling each function key, can play out the playing effect of a little band seemingly, mellotron is to produce various frequency signals by electronic synthesizer, handles pronunciation through multiple electronic circuit, and this facilitates chooses various electric signal and be transported in other electric equipment from electronic circuit, the I that gives great volume regulated at will, but mellotron does not reach the effect of playing of piano all the time.Piano is to drive hammerhead by the shake-up key to knock the string sounding, the player can change according to the emotion of melody exquisiteness, by player's finger, on the keyboard of piano, indiscriminately ad. as one wishes play out, and the tone color that piano sent is that other electronic musical instrument is unrivaled.But piano also exists weak point, the tone color function that does not possess the multiple musical instrument of imitation of mellotron, volume has only by the soft-pedal one-level to be regulated, adopt soft-pedal with pin, then fill up on the contact point line that leans against string and hammerhead on the pad limit of silencing pad, when but the exercise of being in night was played, the sound that piano sent still can influence household even neighbours' rest.

The purpose of this utility model is to avoid above-mentioned weak point of the prior art and a kind of tone color that can keep traditional piano is provided, can eliminate the sound of piano again, utilize the key of piano to carry out mellotron and play, and keep the constant a kind of piano of feel of key.

Provide but the purpose of this utility model also is to avoid above-mentioned weak point of the prior art a kind of tone color of piano and tone color that mellotron imitates multiple musical instrument both two-in-one play out, can play out respectively again, and two kinds of tone colors do not influence in conversion or when synthetic and play, and the feel when playing key keeps a kind of piano identical with piano.

The purpose of this utility model can reach by following measure: a kind of piano that is made of key, string, hammerhead, hammerhead bar, pallet, qin body etc., the present technique improvements are to be provided with the circuit of electronic organ plate on the qin body, the corresponding optoelectronic switch that is provided with between key and the pallet, optoelectronic switch links to each other with the circuit of electronic organ plate, between string and hammerhead bar, be provided with rotating quiet bar, after the rotation, the hammerhead bar that the side energy frame of quiet bar is firmly hammered into shape makes the peen end of hammerhead hammer back and string maintenance spacing down into shape.

The purpose of this utility model can also reach by following measure: according to piano recited above, the present technique improvements are that the two ends of described quiet bar are fixed on the both sides side plate of qin body rotationally, be provided with an interlinked mechanism at the foot-operated place of qin body and quiet bar links, at interlinked mechanism or the other power switch that is provided with of quiet bar, on the qin body, also be provided with synthesising switch, in parallel with power switch.

The purpose of this utility model can also reach by following measure: according to piano recited above, the present technique improvements are that described optoelectronic switch is by anti-dazzling screen, light-emitting tube, light receiving tube and analog switching circuit constitute, anti-dazzling screen is fixed on the key, light-emitting tube, light receiving tube is connected on the photoswitch circuit plate, and the photoswitch circuit plate is fixed on the pallet under the key.Be provided with the concavity fixed mount on described photoswitch circuit plate, light-emitting tube and light receiving tube are individually fixed in the both sides of fixed mount cavity, and anti-dazzling screen is positioned at the top of fixed mount cavity, and a through hole is arranged on anti-dazzling screen.

The utility model has following advantage than prior art: have the tone color that mellotron imitates multiple musical instrument 1., 2. the tone color of the tone color of piano and mellotron can two-in-one be played out, can play out respectively again, the tone color of piano and the tone color of mellotron do not influence when synthetic and switching plays, and so just can obtain special playing effect.3. the feel when playing key is identical with piano, can obtain extraordinary practice effect concerning the player.4. because the circuit of electronic organ plate is added on the former piano dexterously, make the utility model piano only increase less circuit production cost, promptly have the function of piano and mellotron, commercial value is significantly improved.5. on certain occasion, can avoid the influence of sound of musical instrument to surrounding environment.Play or during the song creation at the initial stage of carrying out as the exercise of being in night, for preventing that sound of musical instrument from influencing household or neighbours' rest, can change piano over to the mellotron duty by interlinked mechanism, be inserted in earphone on the earphone socket of circuit of electronic organ plate, can monitor oneself play of sending by mellotron, effect in the time of need obtaining playing on piano can change the duty of piano by interlinked mechanism again over to again, and must be living with the tone color of former piano.In teaching, if adopting many playscripts with stage directions utility model piano gives lessons, signal on the circuit of electronic organ plate of the utility model piano can be exported in the central control equipment, give lessons for carrying out collective so again, collective instrumental ensembles, exercise separately, monitoring separately to wait provides multiple form of teaching, is independent of each other again between the student.

The drawing of accompanying drawing is described as follows:

Fig. 1 is the utility model piano optoelectronic switch structural drawing.

Fig. 2 is the circuit theory diagrams of the utility model piano mellotron part.

Fig. 3 is the utility model piano interlinked mechanism structural representation.

Fig. 4 is the utility model piano structural representation.

The utility model is described in further detail below in conjunction with accompanying drawing embodiment: comprise optoelectronic switch (8) among Fig. 1, anti-dazzling screen (10), light-emitting tube (11), light receiving tube (12), analog switching circuit (13), switching circuit board (14) and fixed mount (15), optoelectronic switch (8) is by anti-dazzling screen (10), light-emitting tube (11), light receiving tube (12) and analog switching circuit (13) constitute, anti-dazzling screen (10) is fixed on the key (1), photoswitch circuit plate (14) is provided with fixed mount (15), fixed mount (15) is a concavity, light-emitting tube (11) and light receiving tube (12) are individually fixed in the both sides of fixed mount (15) cavity, anti-dazzling screen (10) is positioned at the top of fixed mount (15) cavity, and a through hole (20) is arranged on anti-dazzling screen (10).Light-emitting tube (11) is sealed by light-proof material with the afterbody of light receiving tube (12), prevent to mistakenly launch with misconnection between two optoelectronic switches and receive, when pressing key, anti-dazzling screen under it moves up and down in the cavity of fixed mount, when through hole moves on the straight line of 2 of light-emitting tube and light receiving tubes, light receiving tube can be received the signal of light-emitting tube, control the break-make of optoelectronic switch with this, guarantee that from physical construction optoelectronic switch has reliable and stable switching characteristic, the physical damage of also having avoided the frequent switch of conductive rubber switch under the electronic organ key to be caused simultaneously.

Comprise light-emitting tube (11) among Fig. 2, light receiving tube (12) and analog switching circuit (13) mainly are made up of analog switch ic chip 1, analog switch ic chip 1 model is C4066B, also can adopt the analog switch integrated package of other model, light-emitting tube (11) is connected on two ends of power supply, light receiving tube (12) one termination powers, the control utmost point of another termination analog switch IC1, the I/O switch pin of analog switch IC1 links to each other with the address wire of mellotron special IC IC2, another switch pin O/I links to each other with the data line of mellotron special IC IC2, constitute an optoelectronic switch, mellotron special IC IC2 is the SO-NO5 integrated package, be connected according to the various combination of two switch pin, be installed under the corresponding piano key with address wire and data line.

Comprise quiet bar (9), cushion pad (16), interlinked mechanism (17) and power switch (18) among Fig. 3.The two ends of described quiet bar (9) are fixed on the both sides side plate of qin body (6) rotationally, after the rotation, the hammerhead bar (4) that the side energy frame of quiet bar (9) is firmly hammered into shape, make the peen end hammer of hammerhead (3) keep spacing with string (2) in the back down, be provided with an interlinked mechanism (17) links with quiet bar (9) at the foot-operated place of qin body (6), at interlinked mechanism (17) or the other power switch (18) that is provided with of quiet bar (9), on qin body (6), also be provided with synthesising switch (19), as shown in Figure 4, in parallel with power switch (18).The side of quiet bar (9) is with a cushion pad (16).

Include key (1) among Fig. 4, string (2), hammerhead (3), hammerhead bar (4), pallet (5), qin body (6) etc., on qin body (6), be provided with circuit of electronic organ plate (7), the corresponding optoelectronic switch (8) that is provided with between key (1) and the pallet (5), optoelectronic switch (8) links to each other with circuit of electronic organ plate (7), between string (2) and hammerhead bar (4), be provided with quiet bar (9), the two ends of quiet bar (9) are fixed on the both sides side plate of qin body (6) rotationally, after the rotation, the hammerhead bar (4) that the side energy frame of quiet bar (9) is firmly hammered into shape, make the peen end hammer of hammerhead (3) keep spacing with string (2) in the back down, be provided with an interlinked mechanism (7) links with quiet bar (9) at the foot-operated place of qin body (6), at interlinked mechanism (17) or the other power switch (18) that is provided with of quiet bar (9), on qin body (6), also be provided with synthesising switch (19), synthesising switch (19) be arranged on the key platform below, in parallel with power switch (18).Power switch (18) can be touch switch.Eliminate the sound of piano when needs, and when utilizing the mellotron sounding, only using foot is stepped on interlinked mechanism (17), interlinked mechanism (17) then drives quiet bar (9) and rotates a certain angle, the hammerhead bar of just in time can frame firmly hammering into shape (4), the peen end of hammerhead (3) is hit less than string (2), touch its other power switch of establishing (18) simultaneously, make its connection, circuit of electronic organ plate (7) energising enters the mellotron duty, unclamp interlinked mechanism (17), interlinked mechanism (17) then drives quiet bar (9) and resets, and power switch (18) is disconnected, and recovers the duty of former piano.When needing the sound of the sound of piano and mellotron to send simultaneously, then only need to connect synthesising switch (19).

Claims

1, a kind of by key (1), string (2), hammerhead (3), hammerhead bar (4), pallet (5), the piano that qin body (6) etc. constitute, it is characterized in that on qin body (6), being provided with circuit of electronic organ plate (7), the corresponding optoelectronic switch (8) that is provided with between key (1) and the pallet (5), optoelectronic switch (8) links to each other with circuit of electronic organ plate (7), between string (2) and hammerhead bar (4), be provided with rotating quiet bar (9), after the rotation, the hammerhead bar (4) that the side energy frame of quiet bar (9) is firmly hammered into shape makes the peen end of hammerhead (3) hammer back and string (2) maintenance spacing down into shape.

2, piano according to claim 1, the two ends that it is characterized in that described quiet bar (9) are fixed on the both sides side plate of qin body (6) rotationally, be provided with an interlinked mechanism (17) links with quiet bar (9) at the foot-operated place of qin body (6), at interlinked mechanism (17) or the other power switch (18) that is provided with of quiet bar (9), on qin body (6), also be provided with synthesising switch (19), in parallel with power switch (18).

3, piano according to claim 1 and 2, it is characterized in that described optoelectronic switch (8) is to be made of anti-dazzling screen (10), light-emitting tube (11), light receiving tube (12) and analog switching circuit (13), anti-dazzling screen (10) is fixed on the key (1), light-emitting tube (11), light receiving tube (12) is connected on the photoswitch circuit plate (14), and photoswitch circuit plate (14) is fixed on the pallet (5) under the key (1).

4, piano according to claim 3, it is characterized in that described photoswitch circuit plate (14) is provided with concavity fixed mount (15), light-emitting tube (11) and light receiving tube (12) are individually fixed in the both sides of fixed mount (15) cavity, anti-dazzling screen (10) is positioned at the top of fixed mount (15) cavity, and a through hole (20) is arranged on anti-dazzling screen (10).

5, piano according to claim 3, it is characterized in that described light-emitting tube (11) is connected on two ends of power supply, light receiving tube (12) one termination powers, the control utmost point of another termination analog switch IC1, the I/O switch pin of analog switch IC1 links to each other with the address wire of mellotron special IC IC2, another switch pin O/I links to each other with the data line of mellotron special IC IC2, constitute an optoelectronic switch, be connected according to the various combination of two switch pin, be installed under the corresponding piano key with address wire and data line.

6, piano according to claim 4, it is characterized in that described light-emitting tube (11) is connected on two ends of power supply, light receiving tube (12) one termination powers, the control utmost point of another termination analog switch IC1, the I/O switch pin of analog switch IC1 links to each other with the address wire of mellotron special IC IC2, another switch pin O/I links to each other with the data line of mellotron special IC IC2, constitute an optoelectronic switch, be connected according to the various combination of two switch pin, be installed under the corresponding piano key with address wire and data line.

7, piano according to claim 1 and 2, the side that it is characterized in that described quiet bar (9) is with a cushion pad (16).