CN208335737U - Resistance-type portable electronic audio apparatus and system - Google Patents

Abstract

The utility model discloses a kind of resistance-type portable electronic audio apparatus and system.The portable electronic audio device includes: shell, is inside formed with accommodation space, multiple through-holes are provided on bottom surface；The printed circuit board being set in the accommodation space；The Audio Controller being installed on the printed circuit board；The multiple contact terminals being set on the circuit board, the contact terminal passes through corresponding through-hole so that the ends exposed of the contact terminal is in outside the shell, the contact terminal includes ground connection contact terminal and multiple key contact terminals, for user using body by the way that the key contact terminal and the ground connection contact terminal electrical communication are triggered the key contact terminal, the Audio Controller generates audio signal corresponding with the key contact terminal being triggered when the key contact terminal is triggered.In this way, it can support people to play on paper, increase the interest played.

Description

Resistance-type portable electronic audio apparatus and system

[technical field]

The utility model relates to field of electronic device, in particular to a kind of portable electronic audio device that can be played on paper And system.

[background technique]

Traditional instrument is very common in life, the sounding body of traditional instrument, substantially string, film, spring, plate or metallic object Deng.Such as piano, violin, urheen musical instrument are made a sound by Chord vibration, drum be by film vibration make a sound, gong be then by Metallic object vibration makes a sound.Later electronic musical instrument gradually comes into vogue.Electronic musical instrument once lived through electron tube, semiconductor sum aggregate At the developing stage that several different materials of circuit are constituted, electronic musical instrument common at present mostly uses integrated circuit.Electronics is happy There are many type of device, it is most commonly used be electronic organ and have MIDI ((Musical Instrument Digital Interface)) the various synthesizers of function.

There are many kinds for electronic organ (Electronic Organ is abbreviated as EO), it can be common that electric organ, also known as vertical electricity Sub- qin.It has two rows or three rows upper keyboard (playing melody or chord use), and row's foot key (is played to support and posts field), puts equipped with power Big system and loudspeaker, capable of emitting enough volumes.It is mainly used for stage solo, accompaniment, or for recording studio, movie and video programs Record.Fender (Electronic Piano is abbreviated as EP) is the electronic organ new varieties occurred in recent years.It is special due to focusing on System piano touching qin dynamics improvement and it have the characteristics that tone color is pure and easy to carry, it is substituting traditional piano, out Now in contemporary music life.Electronic sound synthesizer (Synthesizer is abbreviated as SY) is referred to as synthesizer, is the sixties The electronic musical instrument of new generation that mid-term is born.Its major function village is in producing hundreds of tone color, tens kinds of rhythms and sound equipment Effect electric signal.

Recently due to the development of smart phone, occur that musical instrument application program is installed on smart phone to imitate musical instrument Using the function of part musical instrument may be implemented by the screen or other parts of smart phone for this musical instrument application program.However, Above-mentioned electronic musical instrument interest is insufficient, in the form of a single, and people especially children can not be excited to the interest of music.

Therefore, it is necessary to provide the new electronics audio device of one kind to solve the above problems.

[utility model content]

One of the purpose of this utility model is to provide a kind of completely new interest the high portable electric that can be played on paper Sub-audio apparatus and system.

In order to realize the purpose of this utility model, one aspect according to the present utility model, the utility model provides portable Formula electronics audio device comprising: shell is inside formed with accommodation space, multiple through-holes is provided on bottom surface；It is set to institute State the printed circuit board in accommodation space；The Audio Controller being installed on the printed circuit board；It is set to the circuit board On multiple contact terminals, the contact terminal pass through corresponding through-hole so that the ends exposed of the contact terminal in described Outside shell, the contact terminal includes ground connection contact terminal and multiple key contact terminals, and user is passed through using body will be described Key contact terminal triggers the key contact terminal with the ground connection contact terminal electrical communication, and the Audio Controller exists Audio signal corresponding with the key contact terminal being triggered is generated when the key contact terminal is triggered.

Further, the key contact jaw can be caused after key contact terminal and the ground connection contact terminal electrical communication The voltage of son changes, and thinks that the key contact terminal is triggered at this time, and the Audio Controller is by detecting the sound The change of the voltage of key contacts terminal judges whether the key contact terminal is triggered, and the contact terminal further includes multiple Mode contact terminal, the Audio Controller determine the portable electronic audio based on the electric signal of the mode contact terminal The tone color mode of device, the tone color mode of the portable electronic audio device include drum, piano, violin, violoncello, hand wind One or more of qin, guitar, Chinese zither, Chinese lute, different key contact terminals correspond to different audio signals.

Further, the Audio Controller determines the portable electronic based on the electric signal of the mode contact terminal Whether audio devices need to enter battery saving mode, alternatively, the Audio Controller is determined based on the electric signal that operation detection switchs Whether the portable electronic audio device needs to enter battery saving mode.

Further, the elastic retraction of the end of contact terminal meeting after stress, the contact terminal are removed in stress After can be restored to the original state due to elastic restoring force.

Further, the contact terminal includes: fixed contact with cavity, the elasticity of setting in the cavity The elastic contact part of component and partial receipt in the cavity, the elastic contact part connects with the elastomeric element, described After elastic contact part stress in cavity described in the elastic retraction of meeting, movement of the elastomeric element due to the elastic contact part at this time And elastic deformation occurs, elastomeric element described in meeting restores to the original state and then the elastic contact part is driven to reply original after stress removes Position.

Further, the contact terminal further includes end cap portion, and the end cap portion has a cavity and contact surface, described Elastic contact part is resisted against the middle part of the cavity, the contact surface in the end cap portion as the contact terminal ends exposed in Outside the shell, the fixed contact, elastic contact part and end cap portion are made of conductor material, the fixed contact peace On bottom surface loaded on the printed circuit board, and it is electrically connected with the printed circuit board.

Further, portable electronic audio device further include: audio playing unit is used to play the audio frequency control The audio signal of device output, the audio playing unit are located in the shell, or are located at outside the shell and by wired Mode or wireless mode and the Audio Controller communicate.

Further, the portable electronic audio device can play page with one by a ferromagnetic metal piece and closely connect It touches, multiple conductions is coated in the performance hinge and play key, publicty effect and multiple mode contacts, the portable electronic audio The page of playing is held between the two by device and the ferromagnetic metal piece by the magnetic adsorptive power of magnetic absorption component, It is in electrical contact to play key with corresponding conduction respectively for the key contact terminal at this time, the mode contact terminal and corresponding mould Formula contact is in electrical contact, wherein contact terminal and the publicty effect it is in electrical contact, the conduction plays key and the publicty effect In electrical contact to trigger the key contact terminal simultaneously by user, the conduction plays key and publicty effect is by printing conductive ink Or it is plotted in and plays on page.

Further, the publicty effect includes the multiple branch's ink markss for sharing ink marks item and separating from the shared ink marks item Item plays key with each conduction and is spaced a predetermined distance just one branch's ink marks item of arrangement, enables the finger of user same When touch adjacent conduction and play key and branch's ink marks item.

Further, it is played in adjacent conduction and is coated with dielectric ink between key and branch's ink marks item.

Other side according to the present utility model, the utility model provide a kind of portable electronic audio system, packet It includes: portable electronic audio device described above；With play book comprising one page or multipage play page, the performance hinge It is upper to play key, publicty effect and multiple mode contacts, the portable electronic audio device and a ferromagnetism coated with multiple conductions The page of playing is held between the two by sheet metal by the magnetic adsorptive power of magnetic absorption component, at this time the key contact Terminal plays that key is in electrical contact, and the mode contact terminal and corresponding mode contact are in electrical contact with corresponding conduction respectively, It is wherein grounded contact terminal and the publicty effect is in electrical contact, the conduction plays key and the publicty effect by user while electrical property Contact is to trigger the key contact terminal, and the conduction plays key and publicty effect is by printing conductive ink or to be plotted in and play page On.

Compared with prior art, the utility model proposes a kind of completely new portable electronic audio dresses that can be played on paper It sets and system, people can be supported to play on paper, increase the interest played.

[Detailed description of the invention]

It will be better understood in conjunction with reference attached drawing and next detailed description, the utility model, wherein same attached drawing The corresponding same structure member of label, in which:

Fig. 1 is the stereoscopic schematic diagram of portable electronic audio system in the first embodiment in the utility model, wherein Portable electronic audio device plays book and ferromagnetic metal piece is located separately；

Fig. 2 is the stereoscopic schematic diagram for looking up angle of the portable electronic audio device in Fig. 1；

Fig. 3 is the stereoscopic schematic diagram of portable electronic audio system when in use in Fig. 1, wherein portable electronic audio Device plays book and ferromagnetic metal piece is combined and puts together；

Fig. 4 is the circuit theory schematic diagram of the portable electronic audio device in Fig. 1；

Fig. 5 is the perspective exploded view at a visual angle of the portable electronic audio device in Fig. 1；

Fig. 6 is the perspective exploded view at another visual angle of the portable electronic audio device in Fig. 1；

Fig. 7 is the three-dimensional enlarged diagram of the contact terminal in Fig. 6, and wherein elastic contact part is located at initial position；

Fig. 8 is the three-dimensional enlarged diagram of the contact terminal in Fig. 6, wherein the elastic contact part contracts due to by external force Enter in the guide channel of fixed contact；

Fig. 9 plays the schematic diagram of page for second for playing book in Fig. 1；

Figure 10 is a schematic diagram for playing page of the third for playing book in Fig. 1；

Figure 11 plays the schematic diagram of page for the 4th for playing book in Fig. 1；

Figure 12 is the stereoscopic schematic diagram of portable electronic audio system in a second embodiment in the utility model, wherein Portable electronic audio device plays book and ferromagnetic metal piece is located separately；

Figure 13 is the stereoscopic schematic diagram of portable electronic audio system when in use in Figure 12, wherein portable electric consonant Frequency device plays book and ferromagnetic metal piece is combined and puts together；

Figure 14 is the enlarged drawing of the circle A in Figure 12；

Figure 15 is the charging schematic diagram of the portable electronic audio device in the utility model；

Figure 16 is the stereoscopic schematic diagram of portable electronic audio system in the third embodiment in the utility model, wherein Portable electronic audio device plays book and ferromagnetic metal piece is located separately；

Figure 17 is the stereoscopic schematic diagram of portable electronic audio system when in use in Figure 16, wherein portable electric consonant Frequency device plays book and ferromagnetic metal piece is combined and puts together；

The circuit theory schematic diagram of portable electronic audio device in Figure 18 Figure 16.

[specific embodiment]

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have Body embodiment is described in further detail the utility model.

This is herein, and so-called " one embodiment " or " embodiment ", which refers to, may be included at least one reality of the utility model A particular feature, structure, or characteristic in existing mode." in one embodiment " that different places occur in the present specification is not The same embodiment is referred both to, nor the individual or selective embodiment mutually exclusive with other embodiments.Except non-specifically Illustrate, the word that connection herein, the expression for being connected, connecting are electrically connected indicates directly or indirectly to be electrical connected.

System introduction

The utility model proposes a kind of completely new portable electronic audio systems that can be played on paper, can support user It is played on paper, increases the interest played.Especially, it can be used for the early development and education of the interest in music of children, swash Children are sent out to the interest of music.

Fig. 1 is the stereoscopic schematic diagram of portable electronic audio system 100 in the first embodiment in the utility model, figure 3 stereoscopic schematic diagram for the portable electronic audio system 100 in Fig. 1 when in use.As shown in figs. 1 and 3, it is described portable Electronic audio system 100 includes portable electronic audio device 110, plays book 120 and ferromagnetic metal piece 130.

Fig. 2 is the stereoscopic schematic diagram for looking up angle of the portable electronic audio device 110 in Fig. 1, and Fig. 5 is in Fig. 1 The perspective exploded view at one visual angle of portable electronic audio device 100；Fig. 6 is the portable electronic audio dress in Fig. 1 Set the perspective exploded view at 110 another visual angle.

As shown in Fig. 2,5,6, the portable electronic audio device 110 include be formed with accommodation space shell 111, The printed circuit board 113 that is set in the accommodation space, is set the multiple contact terminals 112 being set on the circuit board 113 The magnetic absorption component 114 being placed in the accommodation space, the Audio Controller 115 being installed on the printed circuit board 113. Multiple through-holes 116 are provided on the bottom surface of the shell 111.The contact terminal 112 passes through corresponding through-hole 116 so that institute The ends exposed of contact terminal 112 is stated in outside the shell 111.The Audio Controller 115 passes through the printed circuit board 113 It is electrical connected with the contact terminal 112.

In the present embodiment, the contact terminal 121 includes multiple key contact terminals 1121 and a ground connection contact jaw Son 1122, when user contacts the ground connection contact terminal 1122 and key contact terminal 1121 simultaneously, can trigger the key Contact terminal 1121, the sound that the Audio Controller 115 generates and is triggered when the key contact terminal 1121 is triggered The corresponding audio signal of key contacts terminal 1121.The Audio Controller 115 is by detecting on the key contact terminal 1121 Electric signal determine whether the key contact terminal 1121 is triggered.

In the present embodiment, the shell 111 is strip, and the magnetic absorption component 114 can be magnet, number It can be 2.The magnetic absorption component 114 is set to the both ends of the shell 111, naturally it is also possible to be set to other positions It sets.The shell 111 includes the magnet mounting portion 1114 for being formed in its both ends, and magnetic absorption component 114 is fixed on the magnet On mounting portion 1114, the shell 111 includes upper housing part 1111 and lower housing part 1112, the lower housing part 1111 and the lower housing part 1112 are fixed together by connecting component 1113.The contact terminal 112 can be arranged in a row, and can also be lined up more Row.In other embodiments, the shell 111 can also be shaped to other shapes, such as rectangular, round etc., institute The number for stating magnetic absorption component 114 can be 1,3 or more.

The book 120 of playing includes that one page or multipage play page, and each playing page can be a piece of paper.On the performance page Key 121 and a publicty effect 122 are played coated with multiple conductions.In the present embodiment, 8 conductive performance keys 121 are shown, In other embodiments, or more or fewer conduction plays key 121.The conduction plays key 121 and described public Key 122 be by printing conductive ink or be plotted in it is described play on page, these keys are conductive.The conductive ink can be using existing There are the various conductive inks being able to use in technology, this is not particularly limited herein.

The ferromagnetic metal piece 130 is by can be manufactured by the material of magnet magnetic absorption, such as iron.Specific In, the ferromagnetic metal piece 130 can show as the blank or blackboard that one can write, a desktop, one piece of list Only sheet metal, a metal strip etc..In some embodiments, the ferromagnetic metal piece 130 can not be included in it is described just It takes in formula electronic audio system 100.The portable electronic audio device 110 can by the ferromagnetic metal piece 130 with One plays page close contact.

Elastic Contact terminal

In order to enable the contact terminal 112 with can play key 121 and publicty effect 122 with the conduction played on page More stable is in electrical contact, what the contact terminal 112 was designed: the end of the contact terminal 112 can bullet after stress Property retraction, the contact terminal 112 can be restored to the original state after stress removes due to elastic restoring force.

Fig. 7 is the three-dimensional enlarged diagram of the contact terminal 112 in Fig. 6, and wherein elastic contact part is located at initial position；Figure 8 be the three-dimensional enlarged diagram of the contact terminal 112 in Fig. 6, wherein the fixed contact of elastic contact part retraction due to by external force In the guide channel in portion.As shown in FIG. 7 and 8, the contact terminal 112 includes: fixed contact 1125 with guide channel, sets The elastomeric element (not shown) being placed in the guide channel and the elastic contact part 1126 being partially housed in the guide channel, institute Elastic contact part 1126 is stated to connect with the elastomeric element (not shown), it can elastic retraction after 1126 stress of elastic contact part In the guide channel, at this time the elastomeric element due to the elastic contact part movement and elastic deformation occurs, removed in stress The meeting elastomeric element restores to the original state and then drives the elastic contact part homing after going.The contact terminal 112 also wraps Include end cap portion 1127, the end cap portion 1127 has a cavity and a contact surface, the end of the elastic contact part 1126 against At the middle part of the cavity, the contact surface in the end cap portion 1127 as the contact terminal 112 ends exposed in the shell Outside body 111, the fixed contact 1125, elastic contact part 1126 and end cap portion 1127 are made of conductor material.It is described solid Determine contact portion 1125 to be installed on the bottom surface of the printed circuit board 113 and be electrically connected with the printed circuit board 113.It is described End cap portion 1127 can make the contact area of contact terminal 112 bigger, contact more stable.In the embodiment that one changes In, the contact terminal 112 can not include the end cap portion 1127, can directly utilize the end of the elastic contact part 1126 Hold the contact surface as the contact terminal 112.

Electronic sound principles and methods

Fig. 3 is the stereoscopic schematic diagram of portable electronic audio system 100 when in use in Fig. 1, wherein portable electronic Audio devices 110 play book 120 and ferromagnetic metal piece 130 is combined and puts together.As shown in Figure 3, it is described portable Electronics audio device 110 and the ferromagnetic metal piece 130 are played by the magnetic adsorptive power of magnetic absorption component 114 by described Page is held between the two, and it is in electrical contact to play key 121 with corresponding conduction respectively for the key contact terminal 1121 at this time, is connect Ground contact terminal 1122 and the publicty effect 122 are in electrical contact.When playing, the finger contact of one hand of user is described public Key 122 contacts, and the finger contact of the user's another hand conductive performance key 121, the conductive key 121 of playing described at this time is touched Hair, and then corresponding key contact terminal 1121 is caused to be triggered, the generation of Audio Controller 115 is drilled with the conduction being triggered Play the corresponding audio signal of key 121.User can also remove to contact with the other parts of human body the conductive key 121 and described played Publicty effect 122, such as face, nose etc. can also be contacted so that multiple people are hand-in-hand, as long as human body can be connected to described lead Electricity is played between key 121 and the publicty effect 122.In one embodiment, eight conductive performance keys 121 can be right respectively It answers DO, RE, MI, FA, SOL, LA, SI and rises the audio signals such as DO, it in this way can bullet by playing these conduction performance keys 121 Play out beautiful melody.In another embodiment, the conductive corresponding audio signal of key 121 of playing can be one section of recording, than Such as one section of voice, one section of music can play corresponding audio signal in this way when playing conductive performance key 121.

The principle of sound of portable electronic audio device 110 is described below.Fig. 4 is the portable electric consonant in Fig. 1 The circuit theory schematic diagram of frequency device 100.

The Audio Controller 115 of the portable electronic audio device 110 includes multiple input pins, and sound intermediate frequency is defeated Enter pin to be electrical connected by printed circuit board 113 with multiple key contact terminals 1121, ground connection input pin passes through printing electricity Road plate 113 is electrical connected with ground connection contact terminal 1122.Each audio input pin passes through resistance R1, R2 or a R3 etc. and electricity Source VCC is connected.

When user, which does not pass through body, will be grounded contact terminal 1122 and the electric connection of key contact terminal 1121, key is connect Contravention 1121 since corresponding pull-up resistor R1, R2 and R3 etc. can be pulled to high level, examine by the analog-digital converter 1151 The level signal surveying the level signal of the key contact terminal 1121, and will test carries out analog-to-digital conversion, carries out later Filter 1152 filters to avoid noise jamming, then gives data to triggering determination module 1153 and carries out triggering judgement.It is examining When the level signal for measuring the key contact terminal 1121 is high level, determine that the key contact terminal 1121 is not touched Hair.Contact terminal 1122 will be grounded by body (such as two fingers) in user and a key contact terminal 1121 electrically connects When connecing, since human body is itself is a big resistance, pull-up resistor R1, R2 and R3 and the equivalent resistance of human body are formed point Pressure network network, the voltage drop that will lead to corresponding key contact terminal 1121 are much lower.The Audio Controller 115 is detecting When stating the level signal of key contact terminal 1121 lower than predetermined threshold, then it is assumed that the key contact terminal 1121 is by human body and institute Ground connection 1122 electrical communication of contact terminal is stated, i.e. the key contact terminal 1121 is triggered.In multiple key contact terminals 1121 When being concurrently triggered, the Audio Controller 150 can also judge simultaneously.Include in the Audio Controller 150 Memory, the memory is interior to be stored with corresponding audio signal for each key contact terminal 1121, in a key contact jaw After son 1121 is triggered, the Audio Controller 150 can generate corresponding audio signal.

As shown in Figure 4, portable electronic audio device 110 further includes having audio output interface, the audio output interface It can be audio jack, can be connected by voice band line with audio playing unit (such as loudspeaker), the audio described in this way Broadcast unit can play the audio signal of the Audio Controller output.The audio playing unit can be placed in shell In 111, it can also be placed on outside shell 111.As shown in Figure 4, portable electronic audio device 110 further includes having communication to connect Mouthful, which can be WiFi communication module, is also possible to bluetooth communication module, be also possible to other wire communication moulds Block, such as USB module etc..The communication interface can be communicated with external equipment (intelligent mobile terminal), can be by the audio control The audio signal that device 115 processed exports is transmitted on external loudspeaker or intelligent mobile terminal by communication interface and is played out.

Tone color function and battery saving mode introduction

It further include thering are multiple modes to contact in order to increase interest, entertainment and multifunctionality, in the contact terminal 112 Terminal 1123 is also coated with multiple mode contacts 123 on the performance page, and the Audio Controller 150 further includes having multiple moulds Formula input pin, a mode input pin of touching pass through printed circuit board 113 and the electrical phase of multiple mode contact terminals 1123 Even.When in use, the portable electronic audio device 110 be placed in it is described play on page, mode contact terminal 1123 at this time It is just in electrical contact with the mode contact 123 for playing page.

The Audio Controller 150 determines portable electronic by detecting the electric signal of the mode contact terminal 1123 The current tone color mode of audio devices 110.In one example, the tone color mode of the portable electronic audio device 110 can To include one or more of drum, piano, violin, violoncello, accordion, guitar, Chinese zither, Chinese lute.For example, it is described just When taking the tone color mode of formula electronics audio device 110 to rouse, the conduction is played into key 121 and the publicty effect using human body After 122 electrical communications, the conductive performance corresponding audio signal of key 121 can be generated, but tone color is drum sound, that is to say, that The portable electronic audio device 110 is used as an electronic drum at this time.In another example, when described portable When the tone color mode of electronics audio device 110 is piano, the sound of piano can be issued by playing the conductive key 121 of playing.

In one embodiment, as shown in Figure 4, the electric signal of the mode contact terminal 1123 is usually high level , when the electric signal of all mode contact terminals 1123 is all high level, then it is assumed that the portable electronic audio device 110 For the first tone color mode, there are two mode contacts 123 for playing in page in Fig. 1, match in the portable electronic audio device 110 It closes this and plays page in use, the portable electronic audio device 110 is in the first tone color mode.

As shown in Figure 9, it is electrically connected playing on page mode contact with publicty effect 122, exists in this way Cooperate the portable electronic audio device 110 in use, the corresponding mode contact terminal 1123 in the mode contact electric signal Low level will be changed into, the portable electronic audio device 110 is second of tone color mode at this time.As shown in Figure 10, It is electrically connected in another mode contact played on page with publicty effect 122, is cooperating the portable electronic in this way Audio devices 110 in use, the electric signal of the corresponding mode contact terminal 1123 in the mode contact will change into low level, this Shi Suoshu portable electronic audio device 110 is the third tone color mode.Further, it is also possible to the 4th middle pitch color pattern be arranged, i.e., Two mode contacts are all electrically connected with publicty effect 122.As it can be seen that the portable electronic audio device 110 was supported The number of tone color mode is related with the number of mode contact terminal 1123.

In a preferred embodiment, the Audio Controller 150 can be based on the mode contact terminal 1123 Electric signal determines whether the portable electronic audio device 110 needs to enter battery saving mode.For example, tone color mould shown in Fig. 9 Formula, when in use, one of mode contact terminal 1123 should be low level, another mode contact terminal 1123 should For high level, and when portable electronic audio device 110 is taken from described play page, two mode contact terminals 1123 all can Become high level.Since portable electronic audio device 110 is played page, the portable electronic audio dress by from described at this time Setting 110 can be automatically into battery saving mode, so as to save electric energy.

In another embodiment, individual operation detection is provided in the portable electronic audio device 110 to open Close, the portable electronic audio device 110 and it is described play book and be used cooperatively when, output services signal, it is described just It takes formula electronics audio device 110 and gets along well described when playing book and being used cooperatively, export sleep signal, the portable electronic audio Device 110 is based on the sleep signal and enters battery saving mode.The operation detection switch can be a button switch.Described Portable electronic audio device 110 and described when playing book and being used cooperatively, the button switch is due to magnetic absorption component 114 Magnetic adsorptive power and it is described play page against and be switched on.In the portable electronic audio device 110 and described play Book is mismatched in use, the button switch is disconnected due to elastic restoring force.

In one embodiment, it can also be not provided with mode contact terminal 1123, can also not have mould on the performance page Formula contact 123 can equally realize a variety of tone color modes using other modes at this time.For example, in one embodiment, it is described Portable electronic audio device 110 can by communication interface wirelessly with smart electronics terminal it is (not shown) carry out It communicates, runs the application program for managing the portable electronic audio device 110 in the smart electronics terminal, answered by this The tone color mode of the portable electronic audio device 110 can be set with program, and the smart electronics terminal can be straight at this time It connects and audio broadcasting is carried out based on the signal from the portable electronic audio device 110, come from the portable electronic audio The signal of device 110 can not be audio signal, and can be encoded signal, the smart electronics terminal according to encoded signal with And the tone color mode determined carries out audio broadcasting.

Play book introduction

Please refer to Fig. 1, Fig. 9, Figure 11, the conduction played on page play key 121 can be printed as it is various Shape, than parallel conductive bar as shown in figure 1, several cartoon trees in Fig. 9 for another example, user can be different small by touching Tree, so that it may issue different audio signals, for another example the cartoon child etc. in Figure 11, user can be by touching child not Same physical feeling, so that it may issue different audio signals.In a preferred embodiment, a thing in page is played described The partial region that the conduction plays key is first drawn, remaining part can be drawn by user oneself by conductive stylus 210 System, can draw out conduction and play key.

As shown in Figure 10, key 121 can be played in the conduction and be formed about leader label for melody, drawn according to this Beacon note is played key 121 and played in conduction can play out corresponding melody.Such as can in advance by " starlet " this The tone of a melody is first played in the conduction according to sequencing and is provided with drawing in leader label, such as Figure 10 on key 121 Beacon note 1,2,3-6 can easily play out " starlet " this first melody according to leader label in this way.The leader label It can be pasted by user oneself and be played near key 121 in conduction, also may be implemented to be printed on conduction and play near key 121.

Power supply related introduction

As shown in Figure 4, portable electronic audio device 110 further includes the battery 117 and electricity being set in accommodation space Source control module 119, power management module 119 are responsible for the charging and discharging of battery 117, conversion of voltage etc., the battery 117 By the power management module 119 to each electronic module power supply in portable electronic audio device 110.As shown in Figure 6 , portable electronic audio device 110 further includes the usb 1 18 being set on the shell 111, is based on the USB interface 118 charge to the battery 117 by the power management module 119.

In another embodiment, it can also be not provided with usb 1 18, and be directly multiplexed contact terminal 112 and filled Electricity.At this point, the electric power management circuit 119 be higher than predetermined value in the voltage for detecting predetermined contact terminal 112 (such as can be high In the value of supply voltage VCC) when open charge mode, charged using the predetermined contact terminal to the battery 117, it is described The charge closing mode when the voltage for detecting the predetermined contact terminal is lower than predetermined value of electric power management circuit 119, this makes a reservation for connect Contravention is by normal use.For example, charging interface can be used as using two mode contact terminals 1123.

Figure 15 is the charging schematic diagram of the portable electronic audio device 110 in the utility model.It is illustrated in Figure 15 The cradle 310 of portable electronic audio device 110 is provided with USB interface 311 on the cradle 310 and is formed in recessed Charging interface 312 in chamber.In charging, the portable electronic audio device 110 is placed in the cavity, at this time institute State portable electronic audio device 110 predetermined contact terminal and the charging interface 312 be electrically connected, USB interface 311 via The charging interface 312 charges to the portable electronic audio device 110.In this way, can no longer portable electronic audio fill It sets and charging interface is additionally set again on 110.In one embodiment, the shell 111 of the electronics audio device 110 is One can be with the totally enclosed structure of waterproof.

In one embodiment, the portable electronic audio device 110 can also have recording mode, pass through recording For switch so that after the portable electronic audio device 110 entrance recording mode, user utilizes the portable electronic audio to fill 110 melodies played are set, can be recorded in the portable electronic audio device 110, are broadcast again in order to which user is later It puts.

Publicty effect and conduction play key combination

Figure 12 is the stereoscopic schematic diagram of portable electronic audio system 500 in a second embodiment in the utility model, The portable electronic audio system 500 includes portable electronic audio device 510, plays book 520 and ferromagnetic metal piece 530, in Figure 12 portable electronic audio device 510, play book 520 and ferromagnetic metal piece 530 is located separately.Figure 13 is The stereoscopic schematic diagram of portable electronic audio system 500 when in use in Figure 12, wherein portable electronic audio device 510, It plays book 520 and ferromagnetic metal piece 530 is combined and puts together.Figure 14 is the enlarged drawing of the circle A in Figure 12.

Portable electronic audio system 500 and portable electric consonant shown in FIG. 1 in the utility model shown in Figure 12 The difference of display system 100 is: play the publicty effect 522 in book 520 and it is conductive play key 521 with play it is public in book 120 Key 522 plays that the setting form of key 521 is different, remaining is essentially identical with conduction.In this second embodiment, the publicty effect 522 include the multiple branch's ink marks items 5222 for sharing ink marks item 5221 and separating from the shared ink marks item, with each conductive bullet It plays key 521 and is spaced a predetermined distance just one branch's ink marks item 5222 of arrangement, the finger of user is touched simultaneously Adjacent conduction plays key 521 and branch's ink marks item 5222, and then directly triggers the conduction and play key 521.In addition, adjacent Conduction play and be coated with dielectric ink 524 between key 521 and branch's ink marks item 5222, to improve insulativity between the two.? From the point of view of in appearance, branch's ink marks item 5222, dielectric ink 524 and conductive key 521 of playing can be whole strip ink, but actually It is divided into three parts, due to its whole width be not it is very wide, the finger of user touches, and can touch branch's ink simultaneously Mark item 5222 and conduction play key 521, and then realize that can trigger the conduction using a finger plays key 521.At this In a embodiment, user only needs a finger that can play the triggering conduction to play key 521, to issue melodious sound It is happy, publicty effect is touched simultaneously without another finger, facilitates application.

Condenser type portable electronic audio system

Figure 16 is the stereoscopic schematic diagram of portable electronic audio system 600 in the third embodiment in the utility model. As shown in figure 16, the portable electronic audio system 600 includes portable electronic audio device 610, plays book 620 and iron Magnetic metal piece 630.Figure 17 is the stereoscopic schematic diagram of portable electronic audio system 600 when in use in Figure 16, wherein just It takes formula electronics audio device 610, play book 620 and ferromagnetic metal piece 630 is combined and puts together.In Figure 18 Figure 16 just Take the circuit theory schematic diagram of formula electronics audio device 610.

Portable electronic audio system 600 and portable electric consonant shown in FIG. 1 in the utility model shown in Figure 16 The difference of display system 100 is: portable electronic audio system 100 senses that conduction plays being touched for key using resistance mode Hair, needs publicty effect and conduction to play key and is used cooperatively, and portable electronic audio system 600 is incuded using capacitive way To conduction play being triggered for key, do not need publicty effect and be used cooperatively, only be arranged a conduction play key 621 can detect by Triggering.In the 3rd embodiment, the portable electronic audio system 600 also may include mode contact terminal, play book It also may include having mode contact point 623, and the electric signal (high level of detection pattern contact terminal can also be passed through on 620 And low level) determine the tone color mode of the portable electronic audio device 610.

As shown in figure 18, the Audio Controller 615 of the portable electronic audio device 610 includes that multiple inputs are drawn Foot, wherein audio input pin is electrical connected by printed circuit board with multiple key contact terminals 6121.Each audio input Pin passes through resistance R1, R2 or a R3 etc. respectively and is connected with power end VCC, while also passing through capacitor C1, C2 or C3 etc. respectively Ground connection.Described capacitor C1, C2 or C3 can be parasitic capacitance, be also possible to independent capacitance.It illustrate only three sounds in figure Key contacts terminal 6121, remaining several key contact terminal 6121 are omitted.In addition, the mode contact terminal is also omitted ?.

When user does not pass through body key contact terminal 6121 in electrical contact, the capacitance of capacitor C1, C2 or C3 etc. are First value, the detection trigger circuit in Audio Controller 615 are constantly charged and are put to each capacitor C1, C2 or C3 etc. Electricity, the duration to charge every time are predetermined time value.In user's key contact terminal 6121 in electrical contact by body, capacitor The capacitance of C1, C2 or C3 etc. can due to human body contact and change, will lead to the audio contact terminal contacted in this way The charging duration of 6121 corresponding capacitors changes.If the changing value of the charging duration of a capacitor is more than predetermined threshold, Then think that the corresponding key contact terminal 6121 of this capacitor is triggered or contacted by human body.In this way, in portable electronic audio When device 610 is placed on the suitable position for playing book 620, user only needs to play conduction and plays key 621, does not need again simultaneously Contact another publicty effect, so that it may realize that conduction plays the triggering of key 621, the Audio Controller 615 can generate quilt The corresponding audio signal of key contact terminal 6121 of triggering.

Other content in 3rd embodiment, can be with reference to the portable electronic audio system 100 in first embodiment, this In just it is no longer repeated.

Above description sufficiently discloses specific embodiment of the present utility model.It should be pointed out that being familiar with the neck Right of any change that the technical staff in domain does specific embodiment of the present utility model all without departing from the utility model The range of claim.Correspondingly, the scope of the claims of the utility model is also not limited only to the specific embodiment party Formula.

Claims (10)

1. a kind of portable electronic audio device, characterized in that it comprises:

Shell is inside formed with accommodation space, multiple through-holes is provided on bottom surface；

The printed circuit board being set in the accommodation space；

The Audio Controller being installed on the printed circuit board；

The multiple contact terminals being set on the circuit board, the contact terminal pass through corresponding through-hole so that the contact The ends exposed of terminal in outside the shell,

The contact terminal includes ground connection contact terminal and multiple key contact terminals, and user is using body by by the key Contact terminal triggers the key contact terminal with the ground connection contact terminal electrical communication, and the Audio Controller is described Audio signal corresponding with the key contact terminal being triggered is generated when key contact terminal is triggered.

2. portable electronic audio device according to claim 1, which is characterized in that

The voltage of the key contact terminal can be caused to occur after key contact terminal and the ground connection contact terminal electrical communication Change, think that the key contact terminal is triggered at this time, the Audio Controller is by detecting the key contact terminal The change of voltage judges whether the key contact terminal is triggered,

The contact terminal further includes multiple mode contact terminals, electricity of the Audio Controller based on the mode contact terminal Signal determines that the tone color mode of the portable electronic audio device, the tone color mode of the portable electronic audio device include One or more of drum, piano, violin, violoncello, accordion, guitar, Chinese zither, Chinese lute, different key contact terminals Corresponding different audio signal.

3. portable electronic audio device according to claim 2, which is characterized in that the Audio Controller is based on described The electric signal of mode contact terminal determines whether the portable electronic audio device needs to enter battery saving mode, alternatively,

The electric signal that the Audio Controller is switched based on operation detection determines whether the portable electronic audio device needs Into battery saving mode.

4. portable electronic audio device according to claim 1, which is characterized in that the end of the contact terminal by The elastic retraction of meeting, the contact terminal can be restored to the original state after stress removes due to elastic restoring force after power.

5. portable electronic audio device according to claim 4, which is characterized in that the contact terminal includes: to have The fixed contact of cavity, the Elastic Contact of elastomeric element and partial receipt in the cavity of setting in the cavity Portion, the elastic contact part connect with the elastomeric element, after the elastic contact part stress in cavity described in the elastic retraction of meeting, At this time the elastomeric element due to the elastic contact part movement and elastic deformation occurs, the elasticity described in meeting after stress removes Component restores to the original state and then drives the elastic contact part homing.

6. portable electronic audio device according to claim 5, which is characterized in that the contact terminal further includes end cap Portion, the end cap portion have a cavity and contact surface, and the elastic contact part is resisted against the middle part of the cavity, the end cap The contact surface in portion as the contact terminal ends exposed in outside the shell, the fixed contact, elastic contact part and End cap portion is made of conductor material, and the fixed contact is installed on the bottom surface of the printed circuit board, and with the print Printed circuit board is electrically connected,

Its further include: audio playing unit is used to play the audio signal of the Audio Controller output, and the audio plays Unit is located in the shell, or is located at outside the shell and passes through wired mode or wireless mode and the Audio Controller Communication.

7. portable electronic audio device according to claim 2, which is characterized in that the portable electronic audio device Page can be played with one by a ferromagnetic metal piece to be in close contact, described play plays key, public affairs coated with multiple conductions on page Key and multiple mode contacts altogether,

The portable electronic audio device and the ferromagnetic metal piece are by the magnetic adsorptive power of magnetic absorption component by institute It states and plays page and be held between the two, at this time the key contact terminal in electrical contact, institute of playing key with corresponding conduction respectively State mode contact terminal and corresponding mode contact be in electrical contact, wherein contact terminal and the publicty effect it is in electrical contact, institute State conduction play key and the publicty effect by user simultaneously it is in electrical contact to trigger the key contact terminal, the conduction is played Key and publicty effect are played on page by printing conductive ink or be plotted in.

8. portable electronic audio device according to claim 7, which is characterized in that the publicty effect includes sharing ink marks Item and the multiple branch's ink marks items separated from the shared ink marks item play key with each conduction and are spaced a predetermined distance just arrangement one A branch's ink marks item enables the finger of user to touch adjacent conduction simultaneously and plays key and branch's ink marks item.

9. portable electronic audio device according to claim 8, which is characterized in that play key in adjacent conduction and divide Dielectric ink is coated between branch ink marks item.

10. a kind of portable electronic audio system, characterized in that it comprises:

Portable electronic audio device as described in claim 1-9 is any；With

Play book comprising one page or multipage play page, and described play is coated with multiple conductions and plays key, publicty effect and more on page A mode contact, the portable electronic audio device and a ferromagnetic metal piece pass through the magnetic adsorptive power of magnetic absorption component The page of playing is held between the two, the key contact terminal is played key with corresponding conduction respectively and is electrically connected at this time Touching, the mode contact terminal and corresponding mode contact are in electrical contact, wherein ground connection contact terminal and the publicty effect are electrical Contact, the conduction play key and the publicty effect by user simultaneously it is in electrical contact to trigger the key contact terminal, it is described Conduction plays key and publicty effect is played on page by printing conductive ink or be plotted in.