CN202838942U - Double triggering structure of electronic drum - Google Patents
Double triggering structure of electronic drum Download PDFInfo
- Publication number
- CN202838942U CN202838942U CN 201220478894 CN201220478894U CN202838942U CN 202838942 U CN202838942 U CN 202838942U CN 201220478894 CN201220478894 CN 201220478894 CN 201220478894 U CN201220478894 U CN 201220478894U CN 202838942 U CN202838942 U CN 202838942U
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- drum
- piezoelectric ceramic
- ceramic piece
- ring
- chamber
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Abstract
The utility model relates to a double triggering structure of an electronic drum. The structure comprises drum skin, a fixed ring, a piezoelectric ceramic piece, and a drum disc, the inner part of the drum disc is hollow and forms a drum cavity, the drum skin is fixed on the drum disc through the fixed ring, and the structure is characterized in that the piezoelectric ceramic piece is arranged under the drum skin, and fixed in a central position of the bottom of a metal plate, upper and lower sides of the metal plate are provided with upper and lower damping sponges, the sizes of the upper and lower damping sponges are matched with that of the drum disc, and the size of the metal plate is slightly smaller than those of the upper and lower damping sponges, enabling the metal plate not to be in contact with the drum disc; a piezoelectric ceramic piece is fixed in the center of the drum cavity through an annular damping rubber ring; the double triggering structure of the electronic drum prevents crosstalk and excessive vibration to be directly transmitted to the piezoelectric ceramic pieces, and signals are distortionless, enabling the piezoelectric ceramic pieces to be durable.
Description
Technical field
The utility model relates to a kind of electronic drum, specifically a kind of two structure that triggers electronic drum.
Background technology
The drum major part of the electronic drum that has at present all is single trigger architecture, namely adopts a trigger element, and this trigger element is piezoelectric ceramic piece, and this sheet changes into piezoelectric signal to mechanical vibration, and signal changes with magnitude of vibrations is different.
The drum of two trigger architectures that part has adopts piezoelectric ceramic piece as the triggering of drum surface, adopts simultaneously thin film switch to trigger as the drum limit, and the drum limit produces switching signal when knocking, and this produces more single trigger pip value for fixing signal value.
Piezoelectric ceramic piece is adopted in the triggering on an other class drum surface and drum limit simultaneously, this class trigger architecture often adopts arranges directly under the drum head that piezoelectric ceramic piece is as the triggering layout of drum head, have and be arranged in the middle of the drum head, have and be arranged in the drum head edge, structure is taper or cylindricality adopts less contact point to transmit skin, then the phoenix of directly ining succession below this contact material ring sheet, above two kinds of layouts, equal Shortcomings, be exactly when beating position is directly over the buzzing sheet, the mechanical shock of drum head and deformation will under the excess pressure that produces of buzzing sheet, thereby so that buzzing sheet output signal is crossed strong and distortion, also can occur in actual use directly over this vane, knocking drum surface for a long time, cause piezoelectricity singing piece to hold flimsy phenomenon; Trigger on their bulging limit simultaneously, the one, layout is at the drum sidewall, thisly mostly be non-one-body molded drum chamber and adopt, this shortcoming is exactly, near the position of triggering piezoelectric ceramic piece, when knocking bulging limit, the larger bulging limit sound that produces, away from then less, the sound size can not be accomplished equilibrium, also handlebar drum circle triggering sheet is arranged in drum bosom position, direct being connected with drum chamber connects but structure mostly is a piezoelectric ceramic piece, and layout and the structure that trigger on so bulging limit are when can not finely avoid playing other drum, the vibrations that produce when perhaps knocking drum surface pass to bulging limit and trigger sheet, crosstalk thereby produce.
The utility model content
The purpose of this utility model is to provide a kind of two structure that triggers electronic drum, a slice piezoelectric ceramic piece is wherein sticked on the center of sheet metal bottom, sponge all is set both sides up and down at sheet metal, another sheet piezoelectric ceramic piece is by the fixing central authorities of drum chamber of ring-like damping rubber ring, avoid crosstalking and be directly passed to piezoelectric ceramic piece with excessive shock, signal is undistorted, so that this piezoelectric ceramic piece is more durable.
For achieving the above object by the following technical solutions:
A kind of two structure that triggers electronic drum, comprise drum head, set collar, piezoelectric ceramic piece, drum, the drum inner hollow forms drum chamber, drum head is fixed on the drum by set collar, it is characterized in that: described piezoelectric ceramic piece is arranged on the below of drum head, piezoelectric ceramic piece is fixed on the center of sheet metal bottom, be provided with upper and lower damping sponge in both sides up and down at sheet metal, upper and lower damping sponge size and drum are complementary, described sheet metal undersized is in the size of upper and lower damping sponge, so that sheet metal does not contact with drum; Also have a slice piezoelectric ceramic piece to be fixed on the central authorities of drum chamber by ring-like damping rubber ring.
The position of the corresponding piezoelectric ceramic piece in described upper and lower damping sponge center is provided with through hole.
The bore of upper damping sponge central through hole and piezoelectric ceramic piece measure-alike, and the bore of lower damping sponge central through hole is greater than the size of piezoelectric ceramic piece.
The inner drum chamber of described drum is separated into circular drum chamber and peripheral two annulus drum chambers of central authorities by ring stiffener, the piezoelectric ceramic piece in the described drum chamber just arranges in the circular drum chamber.
In two annulus drum chambers, also be provided with the emitting shape reinforcement annular drum chamber is separated into some little drum chambers.
The utility model is arranged in the piezoelectric ceramic piece that drum triggers in the drum chamber of drum middle position, and the circular ring structure of particular design is arranged around this middle position, and toroidal design can partly shake transmission by establishment; The piezoelectric ceramic piece that drum head triggers filters by damping sponge both sides up and down, piezoelectric ceramic piece is realized being flexible coupling by damping sponge and damping rubber ring and drum head and drum chamber, avoid crosstalking and excessive shock be directly passed to piezoelectric ceramic piece, signal is undistorted, realize that well coupling is balanced, so that this piezoelectric ceramic piece is more durable.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of two structure that triggers electronic drum, be followed successively by set collar 1, drum head 2, upper damping sponge 3, sheet metal 4, piezoelectric ceramic piece 5, lower damping sponge 6 and drum 7 from top to bottom, piezoelectric ceramic piece 5 is welded on the center of sheet metal 4 bottoms, the up and down both sides of upper and lower damping sponge 3,6 sheet metals of being close to 4 and piezoelectric ceramic piece 5; Upper and lower damping sponge 3,6 is fixed on the drum 7 by drum head 2 and set collar 1, described drum 7 inner drum chambers are separated into circular drum chamber 71 and peripheral two annulus drum chambers 72 of central authorities by ring stiffener, another sheet piezoelectric ceramic piece 5 arranges in the circular drum chamber 71 of central authorities by ring-like damping rubber ring 8, also is provided with the emitting shape reinforcement in two annulus drum chambers 72 annular drum chamber is separated into some little drum chambers.
It wherein is the about highdensity upper damping sponge of the special foaming of 10MM left and right thickness below the drum head; sponge diameter and drum chamber internal diameter in the same size; have circular hole in the middle of the highdensity upper damping sponge; this circular hole size is identical with the piezoelectric ceramic piece diameter that is used for triggering; the highdensity upper damping sponge material of this special foaming can fully transmit and knock the vibrations of drum surface; can utilize again self deformation to offer the space of a mechanical deformation of drum head; center at this material; be designed with circular hole; just following piezoelectric ceramic piece for the sensing vibrations is produced protection; allow and disperse over against the percussion power of vane, avoid the excessive shock signal to produce, protect again this sheet more durable simultaneously.
The thickness of sheet metal is about 1MM, and this sheet metal diameter is slightly less than the diameter of damping sponge, guarantee that sheet metal can not run into drum when knocking free oscillation, thereby crosstalking of vibration signal is avoided in the vibrations transmission of avoiding drum circle being triggered sheet.
Welding is used for the piezoelectric ceramic piece of triggering below the sheet metal, and this welding must guarantee to connect between piezoelectric ceramic piece and the sheet metal very tight, guarantees the vibrations good communication of vane and sheet metal.
Lower damping sponge thickness is approximately about 8MM, have circular hole in the middle of the lower damping sponge, the circular hole internal diameter is greater than the piezoelectric ceramic piece diameter, this sponge will have certain anchorage force and deformation resilience power preferably, when drum surface is knocked in assurance, sheet metal can even free mechanical shock, isolates again to produce vibrations when drum circle is knocked and pass on the sheet metal of drum surface upper strata.
Be one-body molded drum below the lower damping sponge, this drum and lower damping sponge contact portion are unsettled pair of toroidal design, and this unsettled dicyclo type design considers that at utmost the vibrations that knock on the limit are roused in blocking-up, avoids the false triggering of drum surface vane.
In the drum chamber of drum, be used between the piezoelectric ceramic piece of drum circle triggering, ring-like damping rubber ring with a kind of low-density special damping sponge material, glue ring size is bigger than the piezoelectric ceramic piece external diameter, the interior diameter of glue ring is consistent with the interior diameter of piezoelectric ceramic piece, the thickness of this annulus connecting material and specification are that the characteristics according to the one drum design, thereby so that drum circle triggers the optimum condition that reaches balance.
The utility model has realized that two triggerings exist simultaneously, and the layout type that each triggers through design triggers effectively, and one-body molded drum adopts the design of pair toroidal design and flying shore damping sponge; This frame mode has avoided the hard drum surface that causes that connects of existing layout to trigger the mutually mutual interference that triggers with drum circle, and the vibrations of also having avoided producing between each drum are crosstalked.
Claims (6)
1. two structure that triggers electronic drums, comprise drum head, set collar, piezoelectric ceramic piece, drum, the drum inner hollow forms drum chamber, drum head is fixed on the drum by set collar, it is characterized in that: described piezoelectric ceramic piece is arranged on the below of drum head, piezoelectric ceramic piece is fixed on the center of sheet metal bottom, be provided with upper and lower damping sponge in both sides up and down at sheet metal, upper and lower damping sponge size and drum are complementary, described sheet metal undersized is in the size of upper and lower damping sponge, so that sheet metal does not contact with drum; Also have a slice piezoelectric ceramic piece to be fixed on the central authorities of drum chamber by ring-like damping rubber ring.
2. a kind of two structures that trigger electronic drums as claimed in claim 1, it is characterized in that: the position of the corresponding piezoelectric ceramic piece in described upper and lower damping sponge center is provided with through hole.
3. a kind of two structures that trigger electronic drums as claimed in claim 2, it is characterized in that: the bore of upper damping sponge central through hole is measure-alike with piezoelectric ceramic piece, and the bore of time damping sponge central through hole is greater than the size of piezoelectric ceramic piece.
4. a kind of two structures that trigger electronic drums as claimed in claim 1, it is characterized in that: the inner drum chamber of described drum is separated into circular drum chamber and the peripheral annular drum chamber of central authorities by ring stiffener, the piezoelectric ceramic piece in the described drum chamber just arranges in the circular drum chamber.
5. a kind of two structures that trigger electronic drum as claimed in claim 4 is characterized in that: also be provided with the emitting shape reinforcement in annular drum chamber annular drum chamber is separated into some little drum chambers.
6. a kind of two structures that trigger electronic drums as claimed in claim 1, it is characterized in that: the external diameter of ring-like damping rubber ring is greater than the diameter of piezoelectric ceramic piece, and the internal diameter of ring-like damping rubber ring is identical with the diameter of piezoelectric ceramic piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220478894 CN202838942U (en) | 2012-09-19 | 2012-09-19 | Double triggering structure of electronic drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220478894 CN202838942U (en) | 2012-09-19 | 2012-09-19 | Double triggering structure of electronic drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838942U true CN202838942U (en) | 2013-03-27 |
Family
ID=47950588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220478894 Expired - Fee Related CN202838942U (en) | 2012-09-19 | 2012-09-19 | Double triggering structure of electronic drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202838942U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956157A (en) * | 2014-03-31 | 2014-07-30 | 陈兴国 | Adjustable multipurpose double-triggering electronic drum structure |
| CN105244013A (en) * | 2015-10-30 | 2016-01-13 | 温州市中联异型紧固件有限公司 | Electronic drum apparatus |
| CN106531139A (en) * | 2016-08-23 | 2017-03-22 | 宁波音王电声股份有限公司 | Netted electronic drum |
| CN106871746A (en) * | 2017-03-21 | 2017-06-20 | 深圳市恩孚电子科技有限公司 | A kind of robot fighting system water bullet hits detection means |
| CN107204179A (en) * | 2017-06-29 | 2017-09-26 | 得理乐器(珠海)有限公司 | A kind of electronic drum rouses side signal supervisory instrument |
| CN109920402A (en) * | 2017-12-12 | 2019-06-21 | 音王电声股份有限公司 | A kind of netted electronic drum |
-
2012
- 2012-09-19 CN CN 201220478894 patent/CN202838942U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956157A (en) * | 2014-03-31 | 2014-07-30 | 陈兴国 | Adjustable multipurpose double-triggering electronic drum structure |
| CN105244013A (en) * | 2015-10-30 | 2016-01-13 | 温州市中联异型紧固件有限公司 | Electronic drum apparatus |
| CN106531139A (en) * | 2016-08-23 | 2017-03-22 | 宁波音王电声股份有限公司 | Netted electronic drum |
| CN106531139B (en) * | 2016-08-23 | 2023-07-28 | 音王电声股份有限公司 | Netted electronic drum |
| CN106871746A (en) * | 2017-03-21 | 2017-06-20 | 深圳市恩孚电子科技有限公司 | A kind of robot fighting system water bullet hits detection means |
| CN106871746B (en) * | 2017-03-21 | 2018-10-09 | 深圳贝尔创意科教有限公司 | A kind of robot fighting system water bullet strike detection device |
| CN107204179A (en) * | 2017-06-29 | 2017-09-26 | 得理乐器(珠海)有限公司 | A kind of electronic drum rouses side signal supervisory instrument |
| CN109920402A (en) * | 2017-12-12 | 2019-06-21 | 音王电声股份有限公司 | A kind of netted electronic drum |
| CN109920402B (en) * | 2017-12-12 | 2024-03-22 | 音王电声股份有限公司 | Netted electronic drum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20140919 |
|
| EXPY | Termination of patent right or utility model |