CN203673819U - Automatic performing piano key - Google Patents
Automatic performing piano key Download PDFInfo
- Publication number
- CN203673819U CN203673819U CN201420013184.0U CN201420013184U CN203673819U CN 203673819 U CN203673819 U CN 203673819U CN 201420013184 U CN201420013184 U CN 201420013184U CN 203673819 U CN203673819 U CN 203673819U
- Authority
- CN
- China
- Prior art keywords
- key
- piano
- connecting link
- key connecting
- jacking gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000003028 elevating effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 235000017274 Diospyros sandwicensis Nutrition 0.000 description 2
- 241000282838 Lama Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/32—Constructional details
- G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
- G10H1/344—Structural association with individual keys
- G10H1/346—Keys with an arrangement for simulating the feeling of a piano key, e.g. using counterweights, springs, cams
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
An automatic performing piano key comprises a keyboard main body (1), key connecting rods (6) are connected with and fixed to one ends of the inner sides of keys (2), and the bottoms of the tail ends of the key connecting rods (6) are equipped with electromagnetic lifting devices (5) respectively. The lifting movement ends of the electromagnetic lifting devices (5) are arranged at the bottoms of the tail ends of the key connecting rods (6) correspondingly, and the electromagnetic lifting devices (5) are connected with the driving plates (7). Contacts arranged on the keys are connected with a sound source plate (3) via signal lines, and the sound source plate (3) is connected with a power amplifier module (4) via a signal line. The automatic performing piano key of the utility model is ingenious in structure, high in cost performance and long in service life, is very convenient to improve on the basis of a conventional piano, can achieve the hearing effect same as the artificial performance, is widely used at the occasions, such as piano teaching, the piano beginning training, unmanned automatic performance, etc., and possesses a better market prospect.
Description
Technical field
The utility model relates to a kind of key, relates in particular to a kind of piano key of automatic Playing, belongs to piano musical instrument technical field.
Background technology
Existing piano needs user to flick to play mostly, drives sound-producing device to send sound of musical instrument by pressing key.But can be cumbersome during for beginner and teaching demonstration, can not realize automatic imitation and manually play, cannot on piano in kind, carry out operatorless automatic imitation and manually play, use and be subject to certain restriction.
For example: Chinese patent Granted publication number is: CN 201274160Y, the day for announcing is: the utility model patent on July 15th, 2009 discloses one counterweight electronic piano keyboard step by step, comprise an elongated base plate, key, keyframe and the electronic control system arranging under key, lever heavy hammer mechanism is set below base plate, lever heavy hammer mechanism is installed counter-balanced carriage by support and on support shaft and is formed, the rear portion of counter-balanced carriage arranges a counterweight bucket for accommodating balancing weight, the upper front end of counter-balanced carriage is provided with a groove, to place special slip cap, the fulcrum of it and key frame lower end contacts, in the time that key is pressed, the fulcrum of key front end below contacts with slip cap, the rear portion of counter-balanced carriage is provided with three counterweight buckets.But this apparatus structure complexity, does not have automatic Playing function, need to manually play sounding.
Summary of the invention
The purpose of this utility model is simple in structure for existing piano key, do not there is automatic Playing function, need to manually play defect and the deficiency of ability sounding, now provide a kind of structure ingenious, there is automatic Playing function, can reach the auditory effect identical with artificial performance, the piano key of the automatic Playing of long service life.
For achieving the above object, technical solution of the present utility model is: the piano key of automatic Playing, comprise keyboard body, on keyboard body, be arranged side by side successively one group of key, one end, inner side of described key is fixedly connected with key connecting link, the end bottom of key connecting link is respectively arranged with electromagnetism jacking gear, the elevating movement end of electromagnetism jacking gear is the corresponding end bottom that is arranged on key connecting link respectively, electromagnetism jacking gear is connected with drive plate, the contact arranging on key is connected with source of sound plate by signal wire, source of sound plate is connected with power amplifier module by signal wire.
Described key connecting link and key are integral type structure or dismountable structure, and key connecting link adopts metal, plastics or wood materials to make.
Described electromagnetism jacking gear comprises magnetic core and movable magnet, is provided with coil on magnetic core, and movable magnet is arranged in the sliding cavity of magnetic core inside, and the top of movable magnet is connected with the end bottom of key connecting link.
On described drive plate, be provided with relay and driving circuit.
The beneficial effects of the utility model are:
1, the utility model is fixedly connected with key connecting link at the medial end of key, the end bottom of key connecting link is respectively arranged with electromagnetism jacking gear, the elevating movement end of magnetic jacking gear is the corresponding end bottom that is arranged on key connecting link respectively, electromagnetism jacking gear can move up and down and promote key connecting link and key action in the situation that of energising, has realized and has simulated artificial automatic Playing.
2, the utility model structure is ingenious, on the basis of existing piano, repacking easily, cost performance is high, long service life, can reach the auditory effect identical with artificial performance, cost performance is high, is widely used in Piano Teaching, piano is begun to learn the occasions such as training, unmanned automatic playing, has good market outlook.
Brief description of the drawings
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Fig. 2 is the structural representation of the single key of the utility model.
In figure: keyboard body 1, key 2, source of sound plate 3, power amplifier module 4, electromagnetism jacking gear 5, key connecting link 6, drive plate 7, magnetic core 8, movable magnet 9.
Embodiment
Below in conjunction with brief description of the drawings and embodiment, the utility model is described in further detail.
Referring to Fig. 1, Fig. 2, the piano key of automatic Playing of the present utility model, comprise keyboard body 1, on keyboard body 1, be arranged side by side successively one group of key 2, one end, inner side of described key 2 is fixedly connected with key connecting link 6, the end bottom of key connecting link 6 is respectively arranged with electromagnetism jacking gear 5, the elevating movement end of electromagnetism jacking gear 5 is the corresponding end bottom that is arranged on key connecting link 6 respectively, electromagnetism jacking gear 5 is connected with drive plate 7, the contact arranging on key 2 is connected with source of sound plate 3 by signal wire, source of sound plate 3 is connected with power amplifier module 4 by signal wire.
Described key connecting link 6 is integral type structure or dismountable structure with key 2, and key connecting link 6 adopts metal, plastics or wood materials to make.
Described electromagnetism jacking gear 5 comprises magnetic core 8 and movable magnet 9, on magnetic core 8, is provided with coil, and movable magnet 9 is arranged in the sliding cavity of magnetic core 8 inside, and the top of movable magnet 9 is connected with the end bottom of key connecting link 6.
On described drive plate 7, be provided with relay and driving circuit.
On keyboard body 1, be arranged side by side successively one group of key 2, key 2 arranging on keyboard body 1 is same as the prior art.One end, inner side of key 2 is fixedly connected with key connecting link 6 unlike the prior art, and key connecting link 6 is integral type structure or dismountable structure with key 2, and key connecting link 6 adopts metal, plastics or wood materials to make.The length of key connecting link 6 is determined according to the size of the needed pressing force of key in reality 2 and 5 expulsive forces that can provide of electromagnetism jacking gear.
The end bottom of key connecting link 6 is respectively arranged with electromagnetism jacking gear 5, and electromagnetism jacking gear 5 can slide up and down lifting under the effect of electromagnetic force.Electromagnetism jacking gear 5 comprises magnetic core 8 and movable magnet 9, on magnetic core 8, is provided with coil, and movable magnet 9 is arranged in the sliding cavity of magnetic core 8 inside, and electromagnetism jacking gear 5 can produce magnetic field and promote movable magnet 9 and move up and down the in the situation that of energising.The elevating movement end of electromagnetism jacking gear 5 is the corresponding end bottom that is arranged on key connecting link 6 respectively, and electromagnetism jacking gear 5 is connected with drive plate 7, is provided with relay and driving circuit on drive plate 7, is provided with and controls software and control program in drive plate 7.Electromagnetism jacking gear 5 is switched on or power-off under the control of drive plate 7, electromagnetism jacking gear 5 after energising on promote key connecting link 6, the key 2 as a whole with key connecting link 6 moved.
The contact arranging on key 2 is connected with source of sound plate 3 by signal wire, source of sound plate 3 can be converted into voice signal by the signal that moves up and down of key 2, source of sound plate 3 is connected with power amplifier module 4 or lama by signal wire, and power amplifier module 4 or lama directly play back sound.The utility model also can directly be transformed on existing common piano, carries out sounding by existing piano sound-producing device.The utility model structure is ingenious, on existing common piano basic, can realize automatic Playing, can reach the auditory effect identical with artificial performance, cost performance is high, be widely used in Piano Teaching, piano is begun to learn the occasions such as training, unmanned automatic playing, has good market outlook.
Claims (4)
1. the piano key of automatic Playing, comprise keyboard body (1), on keyboard body (1), be arranged side by side successively one group of key (2), it is characterized in that: one end, inner side of described key (2) is fixedly connected with key connecting link (6), the end bottom of key connecting link (6) is respectively arranged with electromagnetism jacking gear (5), the elevating movement end of electromagnetism jacking gear (5) respectively correspondence is arranged on the end bottom of key connecting link (6), electromagnetism jacking gear (5) is connected with drive plate (7), the upper contact arranging of key (2) is connected with source of sound plate (3) by signal wire, source of sound plate (3) is connected with power amplifier module (4) by signal wire.
2. the piano key of automatic Playing according to claim 1, is characterized in that: described key connecting link (6) is integral type structure or dismountable structure with key (2), and key connecting link (6) adopts metal, plastics or wood materials to make.
3. the piano key of automatic Playing according to claim 1, it is characterized in that: described electromagnetism jacking gear (5) comprises magnetic core (8) and movable magnet (9), magnetic core is provided with coil on (8), movable magnet (9) is arranged in the inner sliding cavity of magnetic core (8), and the top of movable magnet (9) is connected with the end bottom of key connecting link (6).
4. the piano key of automatic Playing according to claim 1, is characterized in that: described drive plate is provided with relay and driving circuit on (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420013184.0U CN203673819U (en) | 2014-01-10 | 2014-01-10 | Automatic performing piano key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420013184.0U CN203673819U (en) | 2014-01-10 | 2014-01-10 | Automatic performing piano key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203673819U true CN203673819U (en) | 2014-06-25 |
Family
ID=50970087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420013184.0U Expired - Lifetime CN203673819U (en) | 2014-01-10 | 2014-01-10 | Automatic performing piano key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203673819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107481698A (en) * | 2016-05-27 | 2017-12-15 | 易弹信息科技（上海）有限公司 | A kind of adapter structure, adaptation method and a kind of fingerboard adaptive device |
-
2014
- 2014-01-10 CN CN201420013184.0U patent/CN203673819U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107481698A (en) * | 2016-05-27 | 2017-12-15 | 易弹信息科技（上海）有限公司 | A kind of adapter structure, adaptation method and a kind of fingerboard adaptive device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |