CN214175672U

CN214175672U - Sound sensing device for electronic drum

Info

Publication number: CN214175672U
Application number: CN202021503030.1U
Authority: CN
Inventors: 林伯龙
Original assignee: Shanghai Huaxin Musical Instrument Co ltd
Current assignee: Shanghai Huaxin Musical Instrument Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-09-10
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a sound sensing device for an electronic drum, which comprises a sensing component and a signal output box; the sensing assembly comprises an iron vibration sensing ring, a buffering article and a piezoelectric ceramic sensor, wherein the iron vibration sensing ring is arranged on the inner side wall of the drum barrel in the electronic drum in a surrounding mode and is connected with a metal piece on the electronic drum, the buffering article is arranged on the iron vibration sensing ring, the piezoelectric ceramic sensor is arranged on the buffering article, and the output end of the piezoelectric ceramic sensor is connected with a signal output box in a signal mode. The utility model discloses not adopting to arrange the technical scheme that the limit was hit and is triggered the piece on the current drum chamber, but sound transmission channel of independent design, the signal of hitting of drum dish limit can be very even received, will hit and beat the signal and become the signal of telecommunication and export, improve the limit greatly and hit the effect, can effectively overcome the many problems that exist of prior art.

Description

Sound sensing device for electronic drum

Technical Field

The utility model relates to a musical instrument makes technical field, concretely relates to sound sensor is used to electron drum.

Background

Some drum discs of the existing electronic drums only have a face beating function and do not have a side beating function. The drum disc with a part of edge beating functions has the advantages that the edge beating sensing pieces are directly connected with the drum cavity, the edge beating function is to beat the drum pressing ring, the drum pressing ring is not directly connected with the drum cavity, the drum pressing ring presses the drum surface, the drum surface is buckled on the drum cavity, beating vibration is difficult to transfer to the piezoelectric ceramic pieces arranged on the drum cavity, and accordingly the edge beating effect is not ideal; crosstalk of drumhead and drumhead striking vibration signals may even occur due to the intermediate connection through the drum head.

Therefore, how to uniformly receive the striking signal of the drumhead is a problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

The technical problem of signal is hit to limit to the unable fine receipt drum that exists of current electron drum dish and hit to hit, the utility model aims to provide a sound sensing device for electron drum has solved prior art's problem well.

In order to achieve the above object, the present invention provides a sound sensing device for an electronic drum, which comprises a sensing assembly and a signal output box; the sensing component comprises an iron vibration sensing ring, a buffering object and a piezoelectric ceramic sensor,

the iron vibration sensing ring is arranged on the inner side wall of the drum barrel in the electronic drum in a surrounding mode and is connected with a metal piece on the electronic drum, the buffering object is arranged on the iron vibration sensing ring, the piezoelectric ceramic sensor is arranged on the buffering object, and the output end of the piezoelectric ceramic sensor is connected with the signal output box in a signal mode.

Furthermore, two piezoelectric ceramic sensors are symmetrically arranged on the iron vibration sensing ring.

Further, the signal output box is erected in a drum of the electronic drum.

Furthermore, an output socket is arranged in the signal output box.

The utility model provides a sound sensing device is used to electron drum, it does not adopt to arrange the technical scheme that the limit was hit and is triggered the piece on the current drum chamber, but sound transmission channel of independent design, and the signal of hitting that hits is hit on the drum dish limit can be very even received, will hit and beat the signal and become the signal of telecommunication and export, improves the limit greatly and hits the effect, can effectively overcome the many problems of prior art.

Drawings

The invention is further described with reference to the following drawings and detailed description.

FIG. 1 is a schematic structural diagram of an electronic drum according to the present embodiment;

FIG. 2 is a schematic diagram of a sensor assembly according to the present embodiment;

fig. 3 is a schematic diagram of a connection structure of the sensing assembly and the signal output box in the present scheme.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

On prior art's basis, arrange limit on not adopting the drum chamber and hit the trigger piece, but a wood system drum of independent design, at vibration transmission channel of wooden drum internal design, at last rethread audio equipment output.

Therefore, the utility model provides a sound sensing device is used to electron drum, its whole arrangement is in the drum of electron drum to form a vibration transmission channel in the drum, thereby effectively improve the limit of whole electron drum and hit the effect.

The sound sensing device for the electronic drum is mainly formed by matching a sensing assembly and a corresponding signal output box, and is integrally arranged in a drum of the electronic drum. Iron drum ring 2, rubber circle, drumhead 3, drum screw 1, metal drum ear 7, drum 6 cooperation constitution.

The iron drum ring 1 compresses the drum head 3 through the rubber ring, so that the vibration of the drum head 2 can be reduced during knocking; the periphery wall of the iron drum ring 2 is evenly provided with a plurality of screw holes at certain intervals, and each screw hole is provided with a drum screw 1.

The peripheral wall of the drum 6 is provided with a plurality of metal drum lugs 7, and the limitation of the number and the position of the metal drum lugs corresponds to the drum screws 1 on the iron drum ring; drum screw 1 is adjustable lock screw, carries out the relative connection through rotatory lock screw and metal drum ear 7 for iron drum circle 2 is connected with drum 6, and then makes drumhead 3 be connected with drum 6, and the cooperation forms the electron drum structure.

Referring to fig. 2, the sensing assembly in this example is located inside the drum 6, and mainly includes an iron vibration sensing ring 4, a buffering member 5, and a piezoelectric ceramic sensor 9. The components are connected and matched with the electronic signal output box 8 to form the drum-edge sound sensing device.

The iron vibration sensing ring 4 is an annular iron ring, is arranged above the inner side wall of the drum 6, and is arranged in a circle around the inner side of the drum 6 in order to uniformly acquire vibration signals; meanwhile, the annular iron vibration sensing ring 4 arranged on the inner wall of the drum 6 is also connected with a metal piece (such as a metal drum lug 7) on the drum 6, and is connected with the drum screw 1 and the iron drum ring 2 to form a drum edge vibration transmission channel.

On the basis, a plurality of piezoelectric ceramic sensors 9 are arranged on the inner wall of the iron vibration sensing ring 4 so as to sense the vibration of the iron vibration sensing ring 4.

Specifically, the piezoceramic sensor 9 is arranged on the iron vibration sensing coil 4 through the corresponding buffer object 5, and the output end of the piezoceramic sensor 9 is connected and conducted with the electronic signal output box 8 through two groups of signal wires (as shown in fig. 3).

In order to effectively improve the detection sensitivity of the piezoceramic sensor 9, the buffer member 5 in this example is formed by a combination of a first buffer substance and a second buffer substance.

For example, the first buffer substance and the second buffer substance are in a concentric ring structure and respectively correspond to the outer side and the inner side of the piezoelectric ceramic sensor 9, so that the piezoelectric ceramic sensor 9 can be effectively protected, and the sensing performance of the piezoelectric ceramic sensor 9 can be improved.

The use of a buffer substance improves the sound conversion sensitivity. Therefore, the buffer substance can enable the piezoelectric ceramic sensor to have better electromechanical transmission effect; and the buffer substance can play a role in buffering, so that the piezoelectric ceramic sensor 9 can be well protected.

The iron vibration sensing ring 4 is preferably selected, so that the vibration transmission effect can be ensured.

On this basis, two sets of piezoelectric ceramic sensors 9 are adopted in the embodiment and are respectively arranged at 180-degree positions of the iron vibration sensing ring, namely, the two sets of piezoelectric ceramic sensors are symmetrically arranged in the iron vibration sensing ring, so that the sensing effect of the piezoelectric ceramic sensors 9 is ensured.

Three groups of piezoelectric ceramic sensors 9 are adopted in the embodiment as required, and are sequentially arranged on the inner wall of the iron vibration sensing ring at intervals of 120 degrees.

Here, a piezoceramic sensor 9 is preferred, which has a very good sensitivity and is able to convert weak vibrations into electrical signals, so that the impact signals are more uniform.

The signal output box 8 is erected in the drum 6 through a small section of connecting arm, a signal detection circuit is arranged in the signal output box, and two connecting wires on the piezoelectric ceramic sensor 9 are connected to an output socket of the electronic drum signal output box 8 and connected to an electronic drum machine through a plug.

When the sound sensing device provided by the utility model is applied specifically, the plug of the sound sensor is connected to the electronic drum machine; when the electric drum is hit, the iron vibration sensing ring 4 in the drum 6 transmits the vibration sense to the piezoelectric ceramic sensor 9, the piezoelectric ceramic sensor 9 increases the sensitivity under the action of the buffer substance, can capture the weak vibration sense and transmit the vibration sense to the electronic drum signal output box 8, and a signal circuit in the signal output box 8 converts the vibration sense into an electric signal and finally outputs the electric signal through audio equipment.

According to the sound sensor for the electronic drum, the annular iron vibration sensing ring 4 is arranged in the drum, the buffer material is arranged on the annular iron vibration sensing ring 4, the piezoelectric ceramic sensor is further pasted on the buffer material, and the buffer material is added, so that the sensitivity of the sound sensor is improved, musical tones are transmitted uniformly, and the anti-jamming capability is strong; secondly, the sound sensor has simple structure, low cost and difficult damage, and can be directly arranged on a musical instrument.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sound sensing device for an electronic drum is characterized by comprising a sensing assembly and a signal output box; the sensing component comprises an iron vibration sensing ring, a buffering object and a piezoelectric ceramic sensor,

the iron vibration sensing ring is arranged on the inner side wall of a drum barrel in the electronic drum in a surrounding manner and is connected with a metal piece on the electronic drum, the buffer object is arranged on the iron vibration sensing ring, the piezoelectric ceramic sensor is arranged on the buffer object, and the output end of the piezoelectric ceramic sensor is in signal connection with the signal output box; the buffer object is formed by matching a first buffer substance and a second buffer substance, and a concentric ring structure is formed between the first buffer substance and the second buffer substance and respectively corresponds to the outer side and the inner side of the piezoelectric ceramic sensor.

2. The sound transducer for an electronic drum as claimed in claim 1, wherein two piezo-ceramic sensors are symmetrically disposed on said ferrous vibration sensing ring.

3. The sound transducer for an electronic drum as claimed in claim 1, wherein said signal output box is mounted in a drum of the electronic drum.

4. The sound transducer for an electronic drum as claimed in claim 1, wherein an output socket is provided in said signal output box.