CN201622833U

CN201622833U - Electronic drum disc

Info

Publication number: CN201622833U
Application number: CN2010201197936U
Authority: CN
Inventors: 葛兴华; 张国稳; 陆克明
Original assignee: MEDELI ELECTRONICS (SHANGHAI) CO Ltd
Current assignee: Deli Musical Instruments (Zhuhai) Co., Ltd.
Priority date: 2010-01-29
Filing date: 2010-01-29
Publication date: 2010-11-03
Anticipated expiration: 2020-01-29

Abstract

The utility model relates to an electronic drum disc, in particular to an electronic drum disc with a reticulate drum head. The drum disc comprises a reticulate drum head, a drum frame body, a sensing device used for testing the vibration of the drum head, and a frame structure used for supporting the sensing device, wherein the reticulate drum head is tensioned on the drum side frame, and the sensing device is positioned below the drum head, in contacts with the drum head, and used for detecting the beats on the drum head and outputting the electrical signal. The utility model provides the electronic drum disc with the reticulate drum head, the beating hand feeling is similar to the true hand feeling through beating the real drum, and the beating collision sound is small.

Description

A kind of electronics drum

Technical field

The utility model relates to a kind of electronics drum, specifically a kind of netted drum head electronics drum.

Background technology

By called optical imaging, it was a kind of popular musical instrument that can cause drummer and audience's sympathetic response since jazz's drum length was of a specified duration.No matter be professional drummer or beginner, all need to repeat the skill of beating a drum, thereby make technology more consummate consummate.And when exercise also only hits on real jazz's drum and can experience the true feel that drum head produces, and then improves the strike skill.

But because the drum head material of traditional primary sound jazz drum drum is the polyester film, the huge sound that is produced when knocking primary sound jazz drum drum causes noise easily, to arround other people impact.In addition, purchase the appropriate litigation fees costliness of a cover jazz drum, also quite high to the requirement of each configuration.

In order to reduce noise pollution and convenient exercise, " quiet drum " appearred on the market, be also referred to as mute drum.It loads onto a kind of wire side as drum head at drum on frame, can be referred to as netted drum head, opens after on the drum frame when netted drum head, can play the quiet effect of knocking, and its sense of touch approaches true drum head, and it is very little to hit noise, netted drum head tensioning degree scalable.Yet, because this kind " quiet drum " can't send drum beating sound, generally be applicable to exercise use at ordinary times, hit skill and feel to improve, be not suitable for and play the performance use.And its acquisition expenses is still relatively more expensive.

Development along with electronics industry, " electronic drum musical instrument " also arises at the historic moment, its drum is different from traditional jazz's drum drum, form as the drum head electronic-controlled installation built-in and use a kind of rubber drum pad instead with it, come the electronic musical instrument of realistic simulation primary sound jazz drum sounding with electroacoustic, its key components is a sensor, is used to detect knocking from drum head.Electronic-controlled installation is converted into electric signal with drummer's performance, and this signal sends digital audio after being transferred to and being programmed in the sound module.Its advantage is to purchase cheaply, and tone color is true to nature, and is easy to carry, thus the electronic drum musical instrument accepted by numerous drummers, in the recording studio or the performance place often be used.

Yet, though knocking of knocking that the drum head of this kind electronics drum brings the more traditional jazz's drum of clash pounded out knock clash reduce many, its knock clash still for arround have noise effect, also directly have influence on and play performance.In addition, it is relatively poor that the drum head of this kind electronics drum knocks feel, can't simulate the feel of truly beating a drum well.Real is its a fly in the ointment.

The utility model content

The purpose of this utility model, be to provide a kind of " netted drum head electronics drum ", by a kind of electronics drum is provided, it is different from the bulging drum of the traditional jazz who loads onto wire side, and it does not trigger the tympanitic note look, also being different from its drum head of conditional electronic drum is made by rubber, knock the pick-up unit composition but use wire side instead as the drum head drum head built-in with it, come the tone color sounding of realistic simulation primary sound jazz drum with electroacoustic, its key equipment is that the drum head that is built-in with sensor knocks pick-up unit, is used to detect knocking from netted drum head.Drum head knocks pick-up unit drummer's performance is converted into electronic signal, and this signal sends digital audio after being transferred to and being programmed in the sound module.When netted drum head open the drum frame on after, can have the feel of knocking as the netted drum head of tradition, also can impact drum head and not produce noise, can also when impacting drum head, send the tympanitic note look simultaneously, can effectively solve existing more ubiquitous defectives of drum music device thus.

For achieving the above object, the utility model has adopted following technical scheme:

The electronics drum includes a drum framework, a netted drum head, and it is fixed on the bulging framework, and a drum head knocks pick-up unit, is contacted with the lower surface of described netted drum head, and that detects that described netted drum head transmits knocks and is converted to electric signal.

Drum head knocks pick-up unit, its by sensing device with and supporting structure form.Sensing device with supporting structure as support.

Supporting structure places within the bulging framework.Supporting structure comprises: buffer body and peripheral circle body, be fixed on the supporting spring, and supporting spring places on the bracing frame, and bracing frame is fixed within the bulging framework.

Sensing device places equally within the bulging framework, and is fixed on the supporting structure.Sensing device can be made of sensor and the hard material that is covered in the sensor upper surface, also can be sensor.

Sensing device is cushioned body and holds from the below, and places netted drum head lower surface.

Signal wire from the sensor stretches out from the crack of described buffer body.

Described supporting structure except being fixed on the bulging base, can also be fixed within the bulging frame.

The utility model compared with prior art has remarkable advantages and beneficial effect:

The utility model, knocks pick-up unit with drum head and detects from the knocking of netted drum head as drum head with wire side, and the output electric signal is to sound source chip.

It is many than the reduction of conditional electronic drum that the beneficial effects of the utility model are that it knocks clash, to avoid noise when practising.And the drum head sense of touch of this electronics drum approaches real drum head, the true feel that produces in the time of can providing drummer's experience sense to overwhelm primary sound jazz drum.In addition, the utility model is with low cost, handling ease.

Description of drawings

Fig. 1 is the synoptic diagram of the utility model embodiment.

Fig. 2 is that the drum head of the utility model embodiment knocks the pick-up unit structural representation.

Fig. 3 is the synoptic diagram of another embodiment of the utility model.

Embodiment

Below in conjunction with drawings and Examples the utility model is further described.

A kind of electronics drum is based on wire side as drum head, and places a drum head and knock pick-up unit in the drum framework, and it is in order to detecting from the knocking of drum head, and knocking is converted to electric signal, is sent to sound source chip.

What deserves to be mentioned is that described drum head is made by Web materials.Web materials can obtain the fabulous feel of knocking.In addition, because air can be from the network interface convection current of Web materials, the clash that knocks drum head can become very little.

Fig. 1 is the synoptic diagram of described electronics drum, and this electronics drum 14 comprises: netted drum head 13, and drum framework 3, drum head knocks pick-up unit 11.

Described netted drum head 13 is made by Web materials.

Described drum head knocks pick-up unit 11, places within the bulging framework 3, and is contacted with the lower surface of netted drum head 13.

Described drum head knocks pick-up unit 11, and the signal wire 12 of its sensor 2 knocks the pick-up unit 11 from drum head and stretches out, and is connected in the sound source chip (not shown), knocking be converted to electric signal and be sent to sound source chip.

Fig. 2 has done structural representation for the drum head among Fig. 1 knocks pick-up unit 11, and it is by hard material 1, and sensor 2 and supporting structure 5 thereof are formed, and sensor 2 depends on the lower surface of hard material 1, and is supported by its supporting structure 5.

Wherein, described supporting structure 5 comprises, buffer body 6, peripheral circle body 4, cushion 8, supporting spring 9, bracing frame 10.Hold buffer body 6 on the supporting spring 9, peripheral circle body 4 and cushion 8, and supported 10 from supported underneath are with the fixing (not shown) of the screw of bracing frame by both sides.

Bracing frame 10 can be independent individual and be fixed in bulging framework, also can be the part of drum framework, and is fixed as one with the drum framework.Bracing frame 10 except being fixed on the bulging base, can also be fixed within the bulging frame.

Supporting spring 9 can be made by rigid material, as iron plate etc.

Described sensor 2 is cushioned body 6 and supports, and is close to hard material 1 lower surface.Simultaneously, hard material 1 contacts with netted drum head 13.In other words, sensor 2 is placed on the lower surface of netted drum head 13 together with hard material 1.

Specifically and since hard material 1 be covered in sensor 2 directly over, and contact with the lower surface of netted drum head 13, knock the vibration that netted drum head 13 brings and can directly be sent to sensor 2.Therefore, compared to using flexible material or buffer body to place scheme on the sensor, use the utility model, hard material is covered on the sensor, and buffer body places under the sensor, the vibration of drum head will directly be passed to sensor, it is minimum to decay, and knocks for drummer's little dynamics, and sensor can detect, therefore, it is highly sensitive.Simultaneously, vibration transfer to the time of sensor can reduce, and for knocking fast of drummer, can be delivered to sensor with not being delayed and export electric signal to the source of sound sounding, and therefore, the drummer can hear the drumbeat sound that knocks fast at once.Above scheme is based on drummer's the custom of knocking, the drummer is easy to perceive for the delay of knocking fast, postpone pronunciation if knock fast, can cause the drummer to hesitate, and then change its follow-up rhythm that knocks unconsciously, thereby influence whole playing effect, by this scheme, to satisfy the drummer for the perception demand of knocking fast.

On the other hand and since hard material 1 place sensor 2 directly over, and contact with netted drum head 13, knocking of netted drum head 13 directly do not knocked on the surface of sensor 2, therefore, protected sensor 2 to avoid knocking damage.

Hard material 1 fixedly is stacked in the upper surface of sensor 2, is made by plastic material or other similar materials of one-side band glue, such as plastic sheet etc.

Described buffer body 6 is contacted with the lower surface of sensor 2, and fixedly places on the supporting spring 9.Because buffer body 6 is a flexible material, and fills up in the sensor lower surface.When knocking bulging face, the vibration of sensor is cushioned body 6 and absorbs.Therefore, protected sensor 2 to avoid knocking damage.

Buffer body 6 can be made by sponge or similar material.

Described cushion 8 places on the supporting spring 9, and together with metal dottle pin 7 by bolt in supporting spring 9, be used for vibration isolation.Correspondingly, be fixed with cushion and metal dottle pin (not shown) equally in order to vibration isolation at the lower surface of supporting spring 9.Specifically, when knocking bulging limit, the vibration on drum limit brings bulging frame and the vibration of drum base, and then drives supporting spring 9 vibrations.By the above-mentioned cushion of mentioning, be partially absorbed and isolate from the vibration of supporting spring 9, and the vibration that is not absorbed by cushion can be absorbed by buffer body 6, relies on the dual absorption vibration of cushion and buffer body 6, can effectively isolate bulging limit vibration transfer to sensor 2.In other words, when knocking bulging limit, drum limit vibration transfer is given in order to detect other sensor (not shown) that knock on bulging limit, this sensor output signal triggers drum lateral look to sound source chip, sensor 2 is close to does not have signal output, and then the possibility of false touch swell face tone color is lowered or avoids.

Cushion 8 can be made by silica gel or similar material.

The signal wire 12 of described sensor 2 penetrates to buffer body, and stretches out from the crevice place of this buffer body, and is connected in the sound source chip (not shown).By the crack of this buffer body, signal wire 12 is protected and is fixing.

Described peripheral circle body 4, fixedly place supporting spring 9 tops and surround sensor and buffer body around become a circle.When great dynamics knocked netted drum head, the sagging degree of depth of drum head was inhibited.Therefore, the protection drum head excessively sink when bringing damage, is also protected sensor.

Peripheral circle body 4 can be made by rubber or similar material.

Aforesaid structure, when using the drum rod to knock netted drum head 13, sensor 2 detects knocking from drum face or drum limit.When using the wire brush brush to hit netted drum head 13, sensor 2 detects contacting between wire brush and the netted drum head 13.

Aforesaid structure, when netted drum head tensioning, hard material is contacted with the drum head lower surface naturally together with sensor, place the sensor 2 on the buffer body, detection is knocked from netted drum head, and knocking is converted to electric signal, is sent to sound source chip by signal wire 12.

Sensing device can be made of hard material and sensor, also can be sensor.

Fig. 3 has showed another embodiment of the present utility model, uses sensor as sensing device.Because the sensor below is equipped with buffer body, so sensor is difficult for damaging because of knocking.Simultaneously, because sensor directly is contacted with netted drum head lower surface, the detection sensitivity height of sensor, the pressure that sensor is subjected to is not attenuated, and amplitude output signal is big.On the other hand, postpone to be improved compared to using flexible material or buffer body to place scheme on the sensor, knocking.

By above-mentioned the utility model " a kind of electronics drum ", knock pick-up unit with wire side as the drum head drum head built-in and form with it, come realistic simulation primary sound jazz drum sounding with electroacoustic.Open after on the drum frame when wire side, can be as traditional drum head when hitting, send tum.And the utility model is simple in structure, and handling ease is with low cost.

It should be noted that at last: the above only is a preferred embodiment of the present utility model, can not limit scope of the present utility model with this.Therefore, although this instructions has been described in detail the utility model with reference to the above embodiments, yet the equalization that those skilled in the art do according to spirit of the present utility model changes and modifies, and must belong to protection domain of the present utility model.

Claims

1. an electronics drum comprises netted drum head, the drum framework, and sensing device and supporting structure, it is characterized in that: described sensing device supports with supporting structure, and sensing device is contacted with netted drum head lower surface.

2. by the described a kind of electronics drum of claim 1, it is characterized in that: sensing device can be made of sensor and the hard material that is covered in the sensor upper surface, also can be sensor.

3. by the described a kind of electronics drum of claim 1, it is characterized in that: described supporting structure places within the bulging framework.

4. by the described a kind of electronics drum of claim 1, it is characterized in that: described supporting structure comprises buffer body, and the buffer body pad is on supporting structure.

5. by the described a kind of electronics drum of claim 1, it is characterized in that: described sensing device places on the buffer body of supporting structure.