CN101853657A - Novel electronic drum based on electromagnetic induction - Google Patents
Novel electronic drum based on electromagnetic induction Download PDFInfo
- Publication number
- CN101853657A CN101853657A CN 200910038420 CN200910038420A CN101853657A CN 101853657 A CN101853657 A CN 101853657A CN 200910038420 CN200910038420 CN 200910038420 CN 200910038420 A CN200910038420 A CN 200910038420A CN 101853657 A CN101853657 A CN 101853657A
- Authority
- CN
- China
- Prior art keywords
- coil
- permeable material
- drum
- material part
- magnetic permeable
- 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.)
- Granted
Links
Images
Landscapes
- Electrophonic Musical Instruments (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention relates to a novel electronic drum based on electromagnetic induction. The traditional electronic drum is easy to damage and inconvenient for use because piezoelectric ceramic pieces or electrode drum sticks are mainly adopted as a knock sensor. The novel electronic drum comprises the knock sensor, an A/D conversion circuit, a trigger judgment and anti-interference operating unit, a musical tone storage and output device, a D/A conversion circuit and a musical tone playing device which are sequentially connected through a signal wire, wherein the knock sensor is an electromagnetic induction device which comprises a drum surface, a coil and a magnetic conductor, one of the coil and the magnetic conductor is positioned below the drum surface and generates mutual motion with the other part. An induced electromotive force is generated by changing the flux of the coil. The invention has simple structure and durability, is suitable for amusement buildings of pubs, singing halls, dance halls and the like, and is also suitable for training of music lovers.
Description
Technical field
The present invention relates to a kind of novel electronic drum based on electromagnetic induction.
Background technology
Electronic drum comprises that knocking sensor, A/D change-over circuit, triggering judgement and anti-interference arithmetic element, musical sound stores output sound source, D/A change-over circuit and musical sound playing device, and said apparatus connects in turn by signal wire.When knocking sensor and being subjected to knocking, produce analog electrical signal, after the A/D change-over circuit changes digital signal into, through triggering to judge with the computing of anti-interference arithmetic element and and handle, deliver to musical sound storage output unit, musical sound storage output unit is found out corresponding musical sound numerical information, and exports it to D/A change-over circuit, be converted to audio analog signals by the D/A change-over circuit, broadcast corresponding musical sound by the musical sound playing device at last.
The sensor that knocks that existing electronic drum uses has following several:
One, knock sensor with piezoelectric ceramic piece, most of import electronic drum all adopts this sensor.Shortcoming is fragile, life-span weak point.
Two, will rouse hammer, the drum face is designed to electrode respectively, drum hammer knocks bulging face, circuit is connected, and produces to knock electric signal, because of having lead on the drum hammer, uses very inconvenient.As Chinese utility model patent CN 87214725U (on August 24th, 1988 is open).
Three, the electret capacitor microphone is arranged on bulging face below, as knocking sensor, induction drum hammer knocks.Because what use is that audio signal triggers, so narrow application range, is not suitable for quiet electronic drum and uses.As Chinese utility model patent CN 2715291Y (on August 3rd, 2005 is open).
Summary of the invention
The technical problem to be solved in the present invention is fragile, the defectives such as the life-span short, inconvenience use that how to overcome existing electronic drum, and a kind of novel electronic drum fragile and not easy to use is provided.
For solving the problems of the technologies described above, this novel electronic drum, comprise and knock sensor, the A/D change-over circuit, trigger and judge and anti-interference arithmetic element, musical sound storage output unit, D/A change-over circuit and musical sound playing device, said apparatus connects in turn by signal wire, it is characterized in that: the described sensor that knocks is an electromagnetic inductor, this electromagnetic inductor comprises bulging face, coil and magnetic permeable material part, among coil and the magnetic permeable material part: parts place bulging face below, and can motion mutually take place with another parts, produce induced electromotive force by the magnetic flux that changes coil.
So design can be fixed on the magnetic permeable material part bulging face below, and coil is placed on shell or other bases; Also can with coil stationary below the drum face, the magnetic permeable material part be placed on shell or other bases.
Aforementioned magnetic permeable material part has magnetic conductance, can make of silicon steel, the narrower soft magnetic material (being commonly used to do the iron core of motor, transformer etc.) of cast iron equimagnetic hysteresis line; Also can make of the retentive material (generally being used for permanent magnet) of carbon steel, iron nickel aluminium cobalt alloy equimagnetic hysteresis line broad; Perhaps use other to have the material of permeance property.
As optimization, described magnetic permeable material part is fixed on bulging face below, and described coil places on shell or other bases.So design is easy for installation.
As optimization, described magnetic permeable material part is fixed on bulging face below (bonding or inlay), and described coil places magnetic permeable material part below.So design, by the magnetic permeable material part vertically coil move mutually, change the magnetic flux of coil and produce induced electromotive force.
As optimization, the fixing drum of described magnetic permeable material part face below, and perpendicular to the drum face, described coil stationary is in magnetic permeable material part one side.So design is radially moved with coil mutually by the magnetic permeable material part, changes the magnetic flux of coil and produces induced electromotive force.
As optimization, described magnetic permeable material part is bar-shaped, vertically is fixed on bulging face below, and can axially moving up and down along described coil.So design, the magnetic permeable material part produces induced electromotive force by the magnetic flux that changes coil.
As optimization, described magnetic permeable material part upper surface contacts with drum face lower surface by the conduct vibrations part, and its lower surface contacts with coil by Vibrant buffer spare.So design, the drum surface vibration is directly passed to the magnetic permeable material part by the conduct vibrations part, and the magnetic permeable material vibration only changes magnetic field, but can not drive the coil vibration.The magnetic permeable material part can lean on coil nearer, and electromagnetic induction is sensitiveer.
Compare this novel electronic drum with piezoelectric type following advantage arranged:
The stable performance of 1＞electromagnetic sensor, long service life, not fragile.
2＞can be directly contact with the drum face, also can be directly or indirect contact.When directly or indirectly not contacting with the drum face, drum face energy in vibration processes own can not be subjected to the loss of contact conduction, so sensitivity can be higher than piezoelectric type.
3＞to hit the material of taking taxi, tension force size etc. less to the sensitivity of electromagnetic sensor influence.And the influence of piezoelectric type is bigger.
This novel electronic drum is simple in structure, durable in use, be fit to hit band in the bar, public places of entertainment such as singing-hall, dance hall use, also be fit to the music-lover and practise using.
Description of drawings
Below in conjunction with accompanying drawing novel electronic drum of the present invention is described further:
Fig. 1 is the circuit block diagram of this novel electronic drum;
The cross-sectional view that this novel electronic drum of Fig. 2 embodiment one knocks sensor;
The embodiment two of this novel electronic drum of Fig. 3 knocks the cross-sectional view of sensor;
The embodiment three of this novel electronic drum of Fig. 4 knocks the cross-sectional view of sensor;
The embodiment four of this novel electronic drum of Fig. 5 knocks the cross-sectional view of sensor.
Fig. 2-5 all dissects along the plane of crossing electronic drum axis, coil axis, but magnetic permeable material part, coil and support thereof dissect.
Among Fig. 2-5: 1 is drum face outer rim for shell, 8 for coil stationary support, 7 for Vibrant buffer spare, 6 for conduct vibrations part, 5 for magnetic permeable material part, 4 for coil, 3 for drum face (can be netted, membranaceous, tabular or other shapes), 2.
Specific embodiment
Embodiment one: as shown in Figure 1, 2, this novel electronic drum comprises that knocking sensor, A/D change-over circuit, triggering judgement and anti-interference arithmetic element, musical sound stores output unit, D/A change-over circuit and musical sound playing device, said apparatus connects in turn by signal wire, it is characterized in that: the described sensor that knocks is an electromagnetic inductor, this electromagnetic inductor comprises bulging face 1, coil 2 and magnetic permeable material part 3, described magnetic permeable material part 3 is fixed on bulging face 1 below, and described coil 2 places magnetic permeable material part 3 belows.When drum face 1 was struck vibration, motion mutually, the analog electrical signal that changes in the coil 2 took place in coil 2 and magnetic permeable material part 3.
Embodiment two: as shown in Figure 3: described magnetic permeable material part 3 is fixed on bulging face 1 below, and falls in bulging face.Described coil 2 is fixed on a side of magnetic permeable material part 3.All the other structures and parts are shown in embodiment one.
Embodiment three: as shown in Figure 4, described magnetic permeable material part 3 is bar-shaped, vertically is fixed on bulging face 1 below, and can axially moving up and down along described coil 2.All the other structures and parts are shown in embodiment one.
Embodiment four: as shown in Figure 5: described magnetic permeable material part 3 upper surfaces contact by the lower surface of conduct vibrations part 4 with drum face 1, and its lower surface contacts with coil 2 by Vibrant buffer spare 5.All the other structures and parts are shown in embodiment one.
Claims (6)
1. novel electronic drum based on electromagnetic induction, comprise and knock sensor, the A/D change-over circuit, trigger and judge and anti-interference arithmetic element, musical sound storage output unit, D/A change-over circuit and musical sound playing device, said apparatus connects in turn by signal wire, it is characterized in that: the described sensor that knocks is an electromagnetic inductor, this electromagnetic inductor comprises bulging face, coil and magnetic permeable material part, among coil and the magnetic permeable material part: parts place bulging face below, and can motion mutually take place with another parts, produce induced electromotive force by the magnetic flux that changes coil.
2. novel electronic drum as claimed in claim 1 is characterized in that: described magnetic permeable material part is fixed on bulging face below, and described coil places on shell or other bases.
3. novel electronic drum as claimed in claim 2 is characterized in that: described magnetic permeable material part is fixed on bulging face below, and described coil places magnetic permeable material part below.
4. novel electronic drum as claimed in claim 2 is characterized in that: the fixing drum of described magnetic permeable material part face below, and perpendicular to the drum face, described coil places magnetic permeable material part one side.
5. novel electronic drum as claimed in claim 2 is characterized in that: described magnetic permeable material part is bar-shaped, vertically is fixed on bulging face below, and can axially moving up and down along described coil.
6. novel electronic drum as claimed in claim 2 is characterized in that: described magnetic permeable material part upper surface contacts with drum face lower surface by the conduct vibrations part, and its lower surface contacts with coil by Vibrant buffer spare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910038420 CN101853657B (en) | 2009-04-03 | 2009-04-03 | Novel electronic drum based on electromagnetic induction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910038420 CN101853657B (en) | 2009-04-03 | 2009-04-03 | Novel electronic drum based on electromagnetic induction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101853657A true CN101853657A (en) | 2010-10-06 |
| CN101853657B CN101853657B (en) | 2013-05-22 |
Family
ID=42805114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910038420 Active CN101853657B (en) | 2009-04-03 | 2009-04-03 | Novel electronic drum based on electromagnetic induction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101853657B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102831881A (en) * | 2012-09-17 | 2012-12-19 | 深圳市海星王科技有限公司 | Noncontact triggering-type electronic drum head |
| CN102831884A (en) * | 2012-09-17 | 2012-12-19 | 深圳市海星王科技有限公司 | Noncontact triggering-type electronic drum |
| US8809666B1 (en) * | 2013-03-13 | 2014-08-19 | Tzu-Chen Liu | Electronic drum induction structure |
| WO2016149874A1 (en) * | 2015-03-20 | 2016-09-29 | 华得科技股份有限公司 | Inflatable electronic jazz drum having fixed bolster |
| CN106531139A (en) * | 2016-08-23 | 2017-03-22 | 宁波音王电声股份有限公司 | Netted electronic drum |
| CN109087622A (en) * | 2018-10-12 | 2018-12-25 | 广州博创乐器有限公司 | A kind of portable electric wooden drum |
| CN110088829A (en) * | 2016-12-21 | 2019-08-02 | 鼓工场有限公司 | For idiophonic trigger pallet |
| US10777179B2 (en) | 2018-02-26 | 2020-09-15 | Roland Corporation | Electronic percussion instrument |
| CN113808559A (en) * | 2021-03-15 | 2021-12-17 | 陈岳 | Electronic musical instrument |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001242871A (en) * | 2000-02-29 | 2001-09-07 | Star Micronics Co Ltd | Electromagnetic acoustic converter |
| CN2715291Y (en) * | 2003-03-24 | 2005-08-03 | 武铁中 | Percussive digital electronic percussion instrument |
-
2009
- 2009-04-03 CN CN 200910038420 patent/CN101853657B/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102831884A (en) * | 2012-09-17 | 2012-12-19 | 深圳市海星王科技有限公司 | Noncontact triggering-type electronic drum |
| CN102831881A (en) * | 2012-09-17 | 2012-12-19 | 深圳市海星王科技有限公司 | Noncontact triggering-type electronic drum head |
| US8809666B1 (en) * | 2013-03-13 | 2014-08-19 | Tzu-Chen Liu | Electronic drum induction structure |
| WO2016149874A1 (en) * | 2015-03-20 | 2016-09-29 | 华得科技股份有限公司 | Inflatable electronic jazz drum having fixed bolster |
| CN106531139B (en) * | 2016-08-23 | 2023-07-28 | 音王电声股份有限公司 | Netted electronic drum |
| CN106531139A (en) * | 2016-08-23 | 2017-03-22 | 宁波音王电声股份有限公司 | Netted electronic drum |
| WO2018036081A1 (en) * | 2016-08-23 | 2018-03-01 | 宁波音王电声股份有限公司 | Netlike electronic drum |
| US10388262B2 (en) | 2016-08-23 | 2019-08-20 | Soundking Electronics & Sound Co., Ltd. | Mesh-head electronic drum |
| CN110088829B (en) * | 2016-12-21 | 2023-08-08 | 格瓦音乐有限责任公司 | Trigger tray for percussion instrument |
| CN110088829A (en) * | 2016-12-21 | 2019-08-02 | 鼓工场有限公司 | For idiophonic trigger pallet |
| US10777179B2 (en) | 2018-02-26 | 2020-09-15 | Roland Corporation | Electronic percussion instrument |
| CN109087622A (en) * | 2018-10-12 | 2018-12-25 | 广州博创乐器有限公司 | A kind of portable electric wooden drum |
| CN109087622B (en) * | 2018-10-12 | 2024-04-16 | 广州博创乐器有限公司 | Portable bakelite drum |
| WO2022194308A1 (en) * | 2021-03-15 | 2022-09-22 | 陈岳 | Electronic musical instrument |
| CN113808559A (en) * | 2021-03-15 | 2021-12-17 | 陈岳 | Electronic musical instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101853657B (en) | 2013-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101853657B (en) | Novel electronic drum based on electromagnetic induction | |
| US8309836B1 (en) | Musical instrument pickup | |
| CN206481453U (en) | The ultrathin loudspeaker of brace type bullet ripple is carried in a kind of voice coil loudspeaker voice coil | |
| CN203722822U (en) | Dental conduction musical lollipop | |
| CN201937818U (en) | Acoustical generator | |
| CN202796012U (en) | Mute device for piano | |
| CN107493550A (en) | It is a kind of can anti-extraneous magnetic disturbance and can anti-power failure loudspeaker | |
| CN201868088U (en) | Drum set with three functions of dumb drum, real drum and electric drum | |
| CN112218189A (en) | Loudspeaker base for increasing sound effect and use method | |
| CN204859551U (en) | Low well tweeter of novel high -fidelity that transient response is sensitive | |
| CN201204690Y (en) | Electromagnetic buzzer | |
| CN104376836A (en) | Beating type drum set | |
| CN201594909U (en) | Loudspeaker magnetic circuit and loudspeaker | |
| CN201877115U (en) | Noiseless simulation two-stringed bowed instrument | |
| CN204143862U (en) | Electronics is clapped hands drum | |
| CN203456090U (en) | Buzzer | |
| CN207799955U (en) | A kind of portable vibration detection music drum of teaching | |
| CN204189434U (en) | A kind of Patting type frame drum | |
| CN202218390U (en) | Hardware spring piece type acoustic resonance generator | |
| CN101562768B (en) | Minitype acoustic generator | |
| CN201781614U (en) | Dynamic music synchronous vibrator | |
| CN201016833Y (en) | Sensing device for equilibrator | |
| CN201576005U (en) | Small equivalent quartz flexibility acceleration sensor | |
| CN101596361A (en) | Rhythmic game device | |
| CN2265843Y (en) | Music push ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |