CN205264334U - Dull and stereotyped electron sound strip musical instrument - Google Patents

Abstract

The utility model provides a dull and stereotyped electron sound strip musical instrument, including body, box body and hammer, the design has electronic circuit in the box body, and the body surface be a complete plane, designs the multilayer structure into including key pattern layer and powering up and down way layer, and the key pattern is the rectangular shape key that one row at least size is the same, and every row of key quantity is 13 at least, and the hammer includes plastic hammer pole and soft hammer head, the utility model discloses simple structure, the function is various, and it is various and simple and convenient to play the skill and technique, and user experience is high.

Description

Dull and stereotyped electronics sound bar qin

[technical field]

The utility model relates to electronic musical instrument field, relates in particular to a kind of dull and stereotyped electronics sound bar qin.

[background technology]

Sound bar qin is mainly wooden high, medium and low sound xylophone and high, medium and low sound aluminium sheet (or the steel disc of metalEtc. synthetic metal) qin, also having the higher clearer and more melodious little carillon of sound, it knocks strip with two hammers and sends outSound sound piece, playing mode simple, intuitive, to enter gate threshold low, at present more as kindergarten, primary schoolMusic teaching aid. The making of traditional sound bar qin function pronunciation piece more single, especially xylophone need African rose wood,The high-class timbers such as redwood, cost is more expensive is also unfavorable for the ecological resources that conserve forests, and volume is heavier, soBe unfavorable for promoting widely, along with the raising of people's living standard, the requirement of sound bar qin functional diversities also got overCome more deep, function singleness, with high costs, be unfavorable for that the sound bar qin carrying obviously cannot meet people's requirement.

In order to address the above problem, increase user experience, existing those skilled in the art has attempted multiple changingEnter method, the sound bar qin that adopts electronic technology to make not only can make processing procedure easy but also conveniently carry out functionExpansion, is conducive to carry, and especially plays very easyly, even can derive the playing skill that makes new advances and moreAdd and highlight it and play easy characteristic.

[utility model content]

For overcoming the existing problem of prior art, the utility model provides a kind of simple in structure, feature richness,Portable dull and stereotyped electronics sound bar qin.

The scheme of the utility model technical solution problem is to provide a kind of dull and stereotyped electronics sound bar qin, comprises box body, facePlate, hammer, be designed with electronic circuit in box body, described panel designs for sandwich construction, and panel surface is one completeLeveling face, panel comprises and is not limited to circuit layer, insulating barrier, switch on upper film, key patterned layer, switchLower circuit layer, lower film, described key patterned layer comprises the strip qin of at least one horizontal or longitudinal proper alignmentKey, every row's key quantity is at least 13, described hammer comprises plastic cement hammer bar and soft hammer head.

Preferably, described box body designs for upper and lower covers, described upper cap surface be sequentially designed to from top to bottom upper film,Circuit layer, lower film under circuit layer, insulating barrier, switch on key patterned layer, switch, circuit on described switchLayer is without lead design, and under described switch, circuit layer is leaded design, described lead-in wire connecting electronic circuit, underLid bottom design has feet, and feet is made by soft material.

Preferably, described panel designs is an Integral flat-plate, and box body is arranged at a described dull and stereotyped side, planar surfaceSequentially be set to from top to bottom on upper film, key patterned layer, switch circuit under circuit layer, insulating barrier, switchLayer, lower film, described dull and stereotyped bottom design has feet, and feet is made by soft material.

Preferably, described panel is made by silica gel material, is sequentially designed to from top to bottom key patterned layer, silica gelCircuit layer, lower film and silica gel bottom panel under circuit layer, insulating barrier, switch on top panel, upper film, switch,Box body designs in panel one side.

Preferably, described silica gel top panel and silica gel bottom panel offer longitudinal rectangular groove down, described recessedGroove is between two parties to the space between each key of key patterned layer.

Preferably, described hammer head is designed to the shape of rolling, and described wheel shape is designed and produced by softly felt.

Preferably, described hammer head is designed to silica gel ball-shaped, is enclosed with knitting wool crocheted overcoat.

Preferably, on each key of described key patterned layer, be designed with transparent or semitransparent LED luminous tube lamp hole.

Preferably, on each key of described key patterned layer, be designed with transparent or semitransparent LED luminous tube lamp hole,On lower film below, silica gel bottom panel, be designed with LED luminous tube circuit layer, comprise that one is stained with conducting resinlThe conductive film of paster LED luminous tube or be welded with the flexible PCB of paster LED luminous tube, silica gel top panelBottom surface is designed with circular groove, upper film and lower film design circular hole empty avoiding LED luminous tube.

Preferably, described electronic circuit comprise MCU main controller element circuit, source of sound FLASH memory circuitry,Push-button unit circuit, operational amplification circuit, led luminous tube circuit, charactron display unit circuit, sound are broadcastPut element circuit and power-supplying circuit, described operational amplification circuit comprises at least plural piezoelectric ceramicsSheet sensor circuit.

Compared with prior art, the dull and stereotyped electronics sound of the utility model bar qin is by changing the consistent of traditional sound bar qinMake mode, electronic circuit and loudspeaker etc. are introduced to sound bar qin, produce and there is stronger novelty and user experienceDull and stereotyped electronics sound bar qin, all keys are designed to an integral planar, and size and the shape of all keys of whole rowShape is identical, evenly arranges, and has both been convenient to play (being especially convenient to play " glissando " this unique playing technique)Overall appearance again, but also be convenient to the switching of electronic musical instrument several functions pattern, function button comprises similar electronicsThe function manipulation key of the electronic musical instruments such as qin, as volume key, tone color key, demonstration song key, rhythm key, speed key,Play button, modified tone key etc., user operates switching and the function that can carry out different mode by function buttonSelection. This dull and stereotyped electronics sound bar qin simple in structure, diverse in function, processing ease, easy to carry, haveMultiple beautiful timbre, can bring good user experience.

[brief description of the drawings]

Fig. 1 is the perspective view of the dull and stereotyped electronics sound of the utility model the first embodiment bar qin.

Fig. 2 is that the structure of panel in the dull and stereotyped electronics sound of the utility model the first embodiment bar qin is launched schematic diagram.

Fig. 3 is the perspective view of the dull and stereotyped electronics sound of the utility model the second embodiment bar qin.

Fig. 4 is the perspective view of the dull and stereotyped electronics sound of the utility model the 3rd embodiment bar qin.

Fig. 5 is a sectional structure schematic diagram of the utility model the 3rd embodiment.

Fig. 6 is the generalized section of a kind of hammer of the dull and stereotyped electronics sound of the utility model bar qin.

Fig. 7 is the generalized section of the another kind of hammer of the dull and stereotyped electronics sound of the utility model bar qin.

Fig. 8 is the electronic circuit theory diagram of the dull and stereotyped electronics sound of the utility model bar qin.

Fig. 9 is the part letter with dull and stereotyped electronics sound bar qin playing music of the present utility model " four cygnet dance musics "In spectrum note spectrum, embody the schematic diagram of glissando skill and technique performance melody.

[detailed description of the invention]

For making the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing and realityExecute example, the utility model is further elaborated. Should be appreciated that specific embodiment described hereinOnly for explaining the utility model, and be not used in and limit this utility model.

Refer to Fig. 1 and Fig. 2, the dull and stereotyped electronics sound of the utility model the first embodiment bar qin 2 comprises box body upper cover201, box body lower cover 202, box body upper cover 201 and 202 indoor designs of box body lower cover have electronic circuit (not shown);

What on panel, arrange is a monoblock thin film switch 200;

Fig. 2 can find out in this thin film switch 200 a key patterned layer 200.3, be designed to black and white ink orColored ink prints, and is printed on the lower surface of upper film 200.1, and advantage is the color of key patterned layer 200.3Ink is not easy by scratch;

On key switch, on circuit layer 200.4, there is no design circuit lead-in wire, reason is to have designed lead-in wire meeting influence surfaceBoard plane complete and attractive in appearance, each position of piano key is exactly a monoblock electrically conductive ink, can be that silver slurry or carbon slurry printBrush, be printed on the lower surface of key patterned layer 200.3;

Under key switch, circuit layer 200.6 is the printings of silver slurry, is designed with circuit lead (there is no complete showing in figure)Be printed on the upper surface of lower film 200.2;

Through design, the via hole on top cover of faceplate is connected to box body upper cover 201 and box to the downward bending that goes between when assemblingElectronic circuit (not showing in figure) in body lower cover 202, can not so upper film 200.1 covers this via holeAffect the complete of the large plane of panel;

Insulating barrier 200.5, for the printing of insulation green oil, can be printed on and power on road binders China ink, also can be printed on lower circuitOn ink, be designed to matts figure, each key switch toggle area 200.51 scopes are designed to empty baseOn plinth, be added with intensive dot (not showing in figure), its single diameter is less than or equal to 1.0mm, acts onIn preventing upper and lower circuit short circuit or malfunction, do not affect again the sensitivity that key switch triggers simultaneously;

The glue printed layers that is designed with again between film up and down producing after above-mentioned each layer of ink (is not shown in figureGo out), its figure, with the matts figure 200.5 of insulating barrier, can be imprinted on the lower surface of upper film 200.1, also canBe imprinted on the upper surface of lower film 200.2, by bonding upper and lower film;

For making key touching sensitiveer, in actual production process, conventionally adopt 0.125mm or 0.075mm thickPolyester film (PET) as upper and lower film;

There is gum (not showing in figure) lower film 200.2 bottom surfaces, in order to be bonded in box body upper cover 201 surfaces;

Key patterned layer 2000 is printed in transparent upper film 200.1 belows;

Key patterned layer 2000 is designed with transversely arranged upper row's key 2001 and two of lower row's key 2002The strip key of horizontally-arranged, the identical proper alignment of every row's key size, every row's key quantity designs at 13More than (bass 5 is to high pitch 3), in figure, be 17 (bass 3 is to high pitchs 5);

On each key, being designed with numbered musical notation symbol 2003 person easy to use performs music;

On each key, also design transparent lamp hole 2004, transparent lamp hole below is designed with LED luminous tube (not to be had in figureIllustrate);

Panel surface in Fig. 1 is a complete large plane, under the zone design of adhered film switch 200 isHeavy 0.5-0.8mm (not showing in figure), the accurate assembling of being convenient to thin film switch 200 can keep again panel tableThe as a whole plane of face,

Like this be designed with two large superiority: the one, play more easyly, all keys are an integral planar, tableThe smooth frictional force of face is little, plays good hand touch, can play continuant class with glissando gimmick like a cork and enter even to revolveGrading in rule, this be a kind of brand-new unexistent playing skill of almost other any musical instrument (keyboard instrumentGlissando can only be very fast the carrying out of speed, only plays the effect of rendered atmosphere and can not apply to the performance of melodyIn);

Secondly, assemble easyly, all keys on whole body panel are an entirety, only need assembling togetherOperation can complete the assembling of all keys, greatly reduces artificial production cost.

In Fig. 1, can also see that panel central authorities lower edge is designed with multiple feature operation buttons 208 and charactronDisplay window 209, the handled easily of user at playing procedure is convenient in design in this position;

Feature operation button 208 comprises volume, tone color, demonstration song, modified tone, rhythm, speed, plus-minus is set,Play/stop, inserting, variation, store-memory etc., concrete function is can function relevant to electronic organ identical, thisIn just no longer too much word length repeat.

Hammer comprises the hammer head 210 of soft felt making and the hammer bar 211 that plastic cement is made, and selects soft hairThe reducing noise that felt is done to touch panel key when hammer head 210 can be played hammer is to minimum.

The diagonal angle, four of bottoms of box body lower cover 202 is designed with feet, is designed with soft pin on each feetPad 212, can be made by sponge or silica gel or rubber, and the design of soft foot pad 212 both can be at playing procedureMiddle vibration damping avoids producing noise, and the circuits that also helps box body inside can normally detect touching of player's hammerBonding force degree signal is to control the reasonable volume of sound of musical instrument.

External apparatus interface comprises earphone delivery outlet, sound equipment delivery outlet, pedal socket and supply socket etc., designOn the right side (not showing in figure) of box body upper and lower covers, facilitate dull and stereotyped electronics sound bar qin and external electronic deviceConnect.

Bellmouth orifice (not shown) is arranged on lower cover bottom surface, because feet has certain height, so loudspeakerSound can better play a role, and the benefit of design is that bellmouth orifice can not occupy panel compared with multiposition, to protect like thisKey on card panel can design more regularly more greatly and is conducive to attractive in appearance and plays.

Fig. 3 is the second embodiment of the present utility model, and as can be seen from the figure body 302 is Integral flat-plates,Can be to make with plank, bamboo clappers, organic glass plate, ceramic wafer or aluminium alloy plate, the thickness of body 302 be20-30mm, preferably bamboo clappers, environmental protection, be beneficial to regeneration, attractive in appearance, be convenient to manufacture and assemble, not yielding,Length is 600-1200mm, and width is 150-300mm, and body 302 is produced without mold, so size is largeLittle design variable range is larger, and also, just than being easier to produce sizes, the product of plurality of specifications is to adapt to marketNeeds and don't can produce too many design and production cost, this is also the dull and stereotyped electronics sound bar qin of the present embodimentA large superiority.

Body 302 surfaces are a large plane;

One whole thin film switch 301 is arranged in large plane;

In thin film switch 300, in key patterned layer 3000, be designed with 13 transversely arranged proper alignmentStrip key 3001, is designed with numbered musical notation symbol 3002 on each key 3001;

In the present embodiment, do not limit the setting of key 3001, for meeting special demands, can also be by key figureThe key 3001 of case layer 3000 is designed to longitudinal arrangement, also can be designed to as required three rows, four rows, orThe key 3001 of more rows is arranged.

On each key 3001, be designed with transparent lamp hole 3003, on body 302, laterally offer elongated slot, elongated slotThe degree of depth be 8-10mm, width is 7-10mm, the circuit board (not shown) of having welded LED luminous tube is arranged onIn elongated slot, the lamp hole 3003 of corresponding each key 3001 of each LED luminous tube, circuit board extends to boxBody 308 belows, are electrically connected with the circuit board in box body 308.

Box body 308 is designed to a plastic cement upper cover, is positioned at panel 302 tops, right side, box body 308 below designsThere is 4-6 screw pole, a screw is set respectively upwards urgent in each screw pole from the position, hole of panel 302 bottom surfacesMake box body 308 be fixed on panel 302 and also push down thin film switch 301 above simultaneously;

Design of electronic circuits is in box body 308 inside, and box body 308 profiles obtain Front-end Design very low, and object isWhile avoiding playing, hammer bar 313 hits box body 308 and produces noise effect playing effect;

The structure of thin film switch 301 is basic identical with the structure of thin film switch 200 shown in Fig. 2, and only different is thinThe circuit lead of membrane switch 300 can design respectively on switch circuit layer under circuit layer and switch, at box body308 bottom surfaces are connected to electronic circuit and aesthetic that can influence surface board plane;

Box body 308 right sides are designed with outlet 311 and receiver J-Horner 310;

Box body 308 surface design have horn mouth 315 and charactron display window 309;

Can also design if necessary right side or the rear side of more electronic equipment plug receptacle at box body 308;

Feature operation button 312, design, on thin film switch 301 right sides, comprises volume, tone color, song, changeThe buttons such as tune, option, setting add/subtract, broadcasting, design in one by function button and thin film switch keyAdvantage is common source, can reduce that to manufacture cost also neat and artistic;

The periphery of thin film switch 301 is provided with ornamental strip 303, can be plastic cement or bonding jumper, can use glueOr tingle is fixed on flat board, effect is to prevent that the perk of coming unstuck of thin film switch 301 edges from having again decoration function to make facePlate is more attractive in appearance and the product that seems has class;

Panel 302 Si Ge diagonal angles, bottom surface are designed with the feet (not shown in FIG.) of soft material, and Fig. 1Illustrated embodiment is the same, can be silicagel pad, rubber blanket or foam-rubber cushion, and the thickness of foot pad and diameter are all20-30mm。

Fig. 4 and Fig. 5 are the utility model the 3rd embodiment, and in figure, panel 401 comprises silica gel top panel 510 HesSilica gel bottom panel 500;

Between silica gel top panel 510 and silica gel bottom panel 500, be designed with thin film switch 50, comprise that printing key opensShut the upper film of circuit layer and print the lower film of circuit under switch, and between upper and lower circuit layer absolutelyEdge layer, owing to there being the protection of silica gel top panel 510 and silica gel bottom panel 500, so upper and lower film is insulating barrierBetween do not need to design the integrated bond of glue, only need to add on edge and four angles several anchor points bondingCan.

Key patterned layer 400 designs on silica gel top panel 510 surfaces, comprises and is designed with 13 proper alignmentStrip key 4001, is designed with numbered musical notation symbol 4002 on each key 4001;

On each key 4001, be designed with transparent or semitransparent lamp hole 4003, on the silica gel of these lamp hole 4003 positionsPanel 510 is designed with a groove (not showing in figure) downwards, is designed with paster encapsulation under grooveLED luminous tube, this LED luminous tube is sticked on conductive film and (in figure, is not shown) by conductive rubber, is positioned atUpper film and the lower film of conductive film top are designed with circular hole with each LED luminous tube of empty avoiding, make it upwardsProjection is positioned in the groove of silica gel top panel 510 bottom surfaces and does not interfere any other parts;

In Fig. 4, on plastic cement hammer bar 412, be the hammer head 411 of spheroidal, the ball of colloidal silica is enclosed with againThe crocheted overcoat of runic knitting wool, so the advantage of design is not only can slow down vibrations avoided larger noise but also made as far as possibleThe contact friction force of knitting wool and silica gel is very little and be convenient to performance;

Fig. 5 is a cross-sectional schematic of Fig. 4 embodiment, can find out that body upper surface is an integral planar,The advantage of design is ensured glissando playing technique smooth and easy like this, has prevented to greatest extent again the friction of hammer headDamage;

Box body 504 designs on silica gel top panel 510 right sides, is designed with horn mouth 406, number on box body 504Window of tube 407, power supply input socket 408, receiver J-Horner 409;

Box body 504 is designed with base plate 506, and base plate 506 is that hard material is made, and can be plastic plate or metalPlate is pushed down silica gel top panel 510 and silica gel bottom panel 500 by 4 or 6 screws 505 by base plate 506 simultaneouslyUrgent in box body 504 bottoms.

What box body 504 designed above is feature operation button 410, comprise volume, tone color, song, modified tone,The buttons such as option, setting add/subtract, broadcasting, exist the circuit of feature operation button 410 and key switch designOn same upper film and lower film, silica gel top panel 510 is designed button-shape and pictograph;

From Fig. 5, it can also be seen that, the below of the below of silica gel top panel 510 and silica gel bottom panel 500 is positioned atAt the bottom of interval between key 4001 is designed with the silica gel panel groove 503 and silica gel that longitudinally runs through whole panelPlate groove 502, object is convenient bending, can in the time that the dull and stereotyped electronics sound bar qin of this silica gel body does not useSo that body folding is got up to place or to be carried, and just can avoid too much 4001, curved and each key when foldingPoint circuit layer and may produce damage phenomenon.

The dull and stereotyped electronics sound bar qin of Fig. 4 is a plane at use state, can roll, just when useIn carrying, while use, also conveniently place and do not take up space, there is good practicality.

Can find out from Fig. 3 and Fig. 4, panel key is arranged, feature operation button distributes and box body design is all completeEntirely identical, can be by key switch upper and lower circuit layer and the box body structure of two schemes, and IC software journeyOrder design etc. can share, and different just Fig. 3 schemes are that key patterned layer 3000 is designed on upper film,And Fig. 4 scheme is that key patterned layer 400 is designed on silica gel top panel 510 surfaces, the box body 504 of Fig. 4Be only on Fig. 3 box body 308 bases, to increase a base plate 506, so design can significantly reduce and be designed toBasis and production cost.

Fig. 6 is the first embodiment of the utility model hammer, and hammer bar 10.3 is made by plastic material, qinHammer head 10.1 is designed to the shape of rolling, and is designed and produced by softly felt, is one in front and one in back provided with silicone gasket10.2 protect soft felt in centre, then on close-fitting area, the top of hammer bar 10.3 a plastic cement small cap10.4 make it can not come off.

The embodiment of hammer shown in Fig. 6 is applicable to the dull and stereotyped electronics sound bar qin of Fig. 1 and Fig. 3, due to hammer headSo noise when 10.1 very soft performance can be reduced to minimum;

Fig. 7 is the second embodiment of the utility model hammer, and on hammer bar 11.3, design is silica gel ballBody 11.2, is enclosed with the overcoat 11.1 of knitting wool crocheted again in the outside of spherosome, select thicker knitting wool effectBetter.

The second embodiment of hammer shown in Fig. 7 is applicable to the dull and stereotyped electronics of silica gel top panel 510 structures of Fig. 4Sound bar qin, the sensitivity that is related to key trigger switch of silica gel top panel 510 need to be adjusted lower, otherwise qinKey switch can false triggering or is occurred short circuit, and the hammer head 411 of design silica gel ball triggers key suitably to increaseGravity, and the frictional force that the knitting wool cover effect of coated outside is to reduce hammer touches silica gel top panel 510 makesThe operation of being convenient to some playing skills, as glissando.

Fig. 8 is an electronic circuit embodiment of the dull and stereotyped electronics sound of the utility model bar qin, MCU main controller in figureElement circuit connects all other circuit and plays overall control effect, and push-button unit single channel comprises key switch circuitWith feature operation panel button circuit, when MCU detected the instruction of function button operation send coherent signal toDigital pipe display circuit drive charactron show various relevant functions (comprise tone color, volume, rhythm, speed,Song, tonality, performance pattern etc.) number show, when MCU scanned key switch trigger transmit letterNumber from advance predetermined pronunciation table, recalling relevant data signal decoding to source of sound flash circuit is that voice signal passesBe defeated by sound amplification output circuit and send corresponding sound of musical instrument, simultaneously the inductor component collection in operational amplification circuitAfter knocking the vibrations dynamics signal of key and signal is amplified to Shape correction, hammer sends to MCU processor, MCUWhen the parameter transmission output level level signal that contrast is arranged in advance according to this makes it to send qin sound to source of sound FLASH circuitWith the volume rank of being scheduled to determine the volume of sound amplification output circuit sounding; When MCU has detected rhythm meritWhen energy key or song function key and play button operation, play MIDI music by preset program and start LED simultaneouslyThe LED light pipe of the bright relevant position of luminous tube circuit point produces the prompting of relevant performance key with user friendly performanceStudy, power supply circuit provides working power to above-mentioned circuits.

Three kinds of embodiment of the present utility model respectively have superiority, and the first embodiment moulding rule is convenient to package design, loudspeakerLimited little so tonequality volume can be done better of diameter design, but cost is higher, the second embodiment qinBody is without die sinking, and development cost is low, and the convenient product of making multiple different size key quantity design, sideJust make to measure to client; The outstanding advantage of the 3rd embodiment is that packaging volume is little, conveniently collects, conveniently takesBand, need to look for a hardware planar object to put support when shortcoming is performance.

Fig. 9 is the numbered musical notation note spectrum of thematic ten trifles above of melody " four cygnet dance musics ", the utility modelWhen performance, can adopt glissando gimmick to make to play easier, in figure, arrow 501 to the right represents that hammer to the rightThe performance of 3 keys of slip, arrow 502 left represents the performance of 5 keys of hammer direction slip left,In figure, can see and also have a lot of such arrows, be all same glissando, if without glissando but one onceThe key that knocks play each note obviously to play difficulty just much bigger, as can be seen here, of the present utility model flatPlate electronics sound bar qin can become more easy by performance larger difficulty.

Except glissando, dull and stereotyped electronics sound bar qin of the present utility model can also be played other skill and technique of percussion music, asRoll and play, jump and play etc.

Compared with prior art, the dull and stereotyped electronics sound of the utility model bar qin is by changing the consistent of traditional sound bar qinMake mode, electronic circuit and loudspeaker etc. are introduced to sound bar qin, produce and there is stronger novelty and user experienceDull and stereotyped electronics sound bar qin, all keys are designed to an integral planar, and size and the shape of all keys of whole rowShape is identical, evenly arranges, and has both been convenient to play (being especially convenient to play " glissando " this unique playing technique)Overall appearance again, but also be convenient to the switching of electronic musical instrument several functions pattern, function button comprises similar electronicsThe function manipulation key of the electronic musical instruments such as qin, as volume key, tone color key, demonstration song key, rhythm key, speed key,Play button, modified tone key etc., user operates switching and the function that can carry out different mode by function buttonSelection. This dull and stereotyped electronics sound bar qin simple in structure, diverse in function, processing ease, easy to carry, haveMultiple beautiful timbre, can bring good user experience.

Above-described the utility model embodiment, does not form the restriction to the utility model protection domain.Any amendment of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., all should compriseWithin claim protection domain of the present utility model.

Claims (10)

1. a dull and stereotyped electronics sound bar qin, comprises box body, panel, hammer, is designed with electronic circuit in box body,It is characterized in that: described panel designs for sandwich construction, and panel surface is a complete plane, and panel comprises notBe limited on upper film, key patterned layer, switch circuit layer, lower film under circuit layer, insulating barrier, switch, instituteState the strip key that key pattern comprises at least one horizontal or longitudinal proper alignment, every row's key quantity is at least13, described hammer comprises plastic cement hammer bar and soft hammer head.

2. dull and stereotyped electronics sound bar qin as claimed in claim 1, is characterized in that: described box body is that upper and lower covers is establishedMeter, described upper cap surface is sequentially designed to circuit layer on upper film, key patterned layer, switch, exhausted from top to bottomCircuit layer, lower film under edge layer, switch, on described switch, circuit layer is without lead design, electricity under described switchRoad floor is leaded design, described lead-in wire connecting electronic circuit, lower cover bottom design has feet, feet bySoft material is made.

3. dull and stereotyped electronics sound bar qin as claimed in claim 1, is characterized in that: described panel designs is one wholeBody flat board, box body is arranged at a described dull and stereotyped side, and planar surface is sequentially set to upper film, key from top to bottomCircuit layer, lower film under circuit layer, insulating barrier, switch on patterned layer, switch, described dull and stereotyped bottom design hasFeet, feet is made by soft material.

4. dull and stereotyped electronics sound bar qin as claimed in claim 1, is characterized in that: described panel is by silica gel materialMake, be sequentially designed to from top to bottom circuit layer on key patterned layer, silica gel top panel, upper film, switch,Circuit layer, lower film and silica gel bottom panel under insulating barrier, switch, box body designs in panel one side.

5. dull and stereotyped electronics sound bar qin as claimed in claim 4, is characterized in that: described silica gel top panel and siliconGlue bottom panel offers longitudinal rectangular groove down, and described groove is between two parties to being positioned at each key of key patterned layerBetween space.

6. the dull and stereotyped electronics sound bar qin as described in any one claim in claim 1-3, is characterized in that:Described hammer head is designed to the shape of rolling, and described wheel shape is designed and produced by softly felt.

7. the dull and stereotyped electronics sound bar qin as described in claim 1 or 4, is characterized in that: described hammer head designFor silica gel ball-shaped, be enclosed with knitting wool crocheted overcoat.

8. the dull and stereotyped electronics sound bar qin as described in any one claim in claim 1-3, is characterized in that:On each key of described key patterned layer, be designed with transparent or semitransparent LED luminous tube lamp hole.

9. dull and stereotyped electronics sound bar qin as claimed in claim 4, is characterized in that: described key patterned layer eachOn individual key, be designed with transparent or semitransparent LED luminous tube lamp hole, on lower film below, silica gel bottom panel, establishIn respect of LED luminous tube circuit layer, comprise that one is stained with conductive film or the weldering of paster LED luminous tube with conducting resinlBe connected to the flexible PCB of paster LED luminous tube, silica gel top panel bottom surface be designed with circular groove, upper film andLower film design has circular hole empty avoiding LED luminous tube.

10. dull and stereotyped electronics sound bar qin as claimed in claim 1, is characterized in that: described electronic circuit comprisesMCU main controller element circuit, source of sound FLASH memory circuitry, push-button unit circuit, operational amplification circuit,Led luminous tube circuit, charactron display unit circuit, sound playing unit circuit and power-supplying circuit,Described operational amplification circuit comprises at least plural piezoelectric ceramic piece sensor circuit.