CN205508389U - Musical instrument of playing music with plant - Google Patents

Abstract

The utility model discloses a musical instrument of playing music with plant, include: the plant interactive with the people is planted to the plant basin, detection module, the connection plant insulating with ground is used for detecting the people and touches the produced signal of telecommunication change in the different positions of plant, control chip for the output signal of telecommunication extremely detection module to produce different audio frequency control signal according to signal of telecommunication change, audio play module is used for receiving control chip touches the audio frequency control signal who exports the different positions of plant because of the people to the sound of output different frequency, power module for provide operating voltage for control chip and audio play module, the utility model discloses can experience through the brand -new human -computer interaction that the music created to the touch plant, the different positions of touching plant can send the sound of different frequencies, explore new music form and create and opened a new gate for the artist.

Description

A kind of musical instrument played music with plant

Technical field

This utility model relates to human-computer interaction technology, particularly to a kind of musical instrument played music with plant.

Background technology

The application in the middle of electronic musical instrument of the capacitance touch sensing technology is the most ripe.Notification number is The patent documentation of CN105161088A discloses detection device based on capacitance touch, electronic musical instrument shakes Dynamic detecting system and method, it is simply that provide a kind of detection device based on capacitance touch, electronic musical instrument to shake Dynamic detecting system and method.It includes: realize the metallic plate of capacitance touch；Measure electric capacity on metallic plate Capacitance measurement module；The percussion judge module tapped is judged whether according to capacitance.In real time Obtain capacitance, the capacitance obtained is compared judgement；Capacitance present value is more than threshold value and upper Secondary capacitance is less than threshold value, then be judged to trigger sound producing event；Capacitance present value is less than threshold value and upper Secondary capacitance is more than threshold value, then be judged to trigger close sound event.This invention uses based on capacitance touch Detection device judges whether electronic musical instrument exists percussion, gets rid of crosstalk with this, improves sound quality, knot Structure is simple, easy to operate, brings preferable economic benefit for enterprise.But this invention must rely on gold Belong to plate as mutual carrier, it is impossible to be applied on the live bodies such as plant, there is suitable limitation.

Frequency sweep capacitance touch sensing technology SFCS (Swept frequency capacitive sensing) is new Generation touch sensing technology.Substantially any object can all be become mankind's touch-control generation sensitivity by this technology Device, and have only to single line and just can work.The multiple frequency that its energy perception body part sends Rate, actually and then analyze which kind of mode of user one or action and touch, still as with finger Arm, it can help computer " to spy upon " what user doing.Proceedings of the SIGCHI Conference on Human Factors in Computing Systems,Pages 483-492,2012. 《Touché:Enhancing Touch Interaction on Humans,Screens,Liquids,and Everyday Objects " and CHI'10Extended Abstracts on Human Factors in Computing Systems,Pages 4135-4140.《Sensing Human Activities With Resonant Tuning " in all this technology is discussed in detail.At a typical capacitance sensor In, a conducting element will be coupled with the signal of telecommunication of a fixed frequency, people touch this element time, The attribute of the signal of telecommunication will change, it is possible to detects whether that someone touches.SFCS in principle with Electrostatic capacity type touch sensor is identical, can detect static capacity during touch, can directly detect electricity The change of pressure.Different from conventional art, SFCS can detect that the amplitude of several MHz big band alleviating distention in middle-JIAO, Namely the change of frequency spectrum.When people touches element, in each frequency caused by different touch action It is different that the attribute of the signal of telecommunication changes, and sensor is by monitoring signal of telecommunication of all frequencies in the range of this Attribute change, thus can not only identify whether to touch, more can recognize that and how to touch. This technology has novelty, and it is comparatively expensive and can feel that it breaches conventional capacitive touch screen cost The weakness of the Limited information known, it allows computer can perceive people to the most of article in daily Touch behavior.If this technology acquisition in the future is widely used, keyboard, mouse even connect in the past Touch screen can be no longer necessary to.But, this technology also has limitation, such as the touch action of people Needing to preset in advance, there is big difficulty in stable accuracy degree, application scenarios is the distinctest, and it is difficult To identify that people is which position touching object on earth.

Plant electric signal is the important plant physiology letter relevant to plant physiological processes, internal transmission information Number, it is that plant stimulates the reaction made to environmental change.Along with modern Detection of Weak Signals processes skill The development of art and computerized information acquisition technique in extensive application agriculturally, Weak Electrical Signal in Plants Extract and analyze and will be more feasible and scientific.The current collection for plant electric signal is the most more Ripe technology.Patent documentation if notification number is CN101021518 discloses a kind of detection greenhouse The method of middle plant electric signal and special equipment thereof, it uses nonpolarizable electrode as reference electrode and measurement Electrode, uses electrode connection device that described electrode and axis to be measured or leaf are carried out lossless company Connect, use input impedance to be connected with the outfan of electrode respectively more than 1012 Ω impedance transformers, respectively hinder The signal output part of resistance parallel operation is connected with preamplifier, and the signal of preamplifier output is through an electricity Voltage-current converter sends signal processing apparatus to after being converted into current signal and processes, can be in greenhouse In for a long time, nondestructively monitor the change of plant electric signal, the faint plant electric signal signal to detection Process to separate signal and noise, when envirment factor all changes, can be calculated by certain algorithm and to Go out the principal element causing plant electric signal to change, for making plant electric signal detection turn from laboratory research Change is served production and is provided precondition.

And for example publication No. is that the patent documentation of CN102305888 discloses veggetable electricity distribution and with environment Changing Pattern collection and process realize device, its detection amplifier utilize multiple probe detection plant each The bioelectric current at position, the distribution of voltage, send the data that each detector detects to GPRS Or EVDO module radio receiving transmitting module, transfer data to inspection center by public wireless network GPRS or EVDO module receives data, and the data of acceptance are delivered to computer by interface and carried out data Storage, process, the situation of change of veggetable electricity can be measured in the case of various complexity.

In order to improve life interest, researcher is had to combine plant telecommunications according to capacitance touch sensing technology Number investigated the interactive device of people and plant, the patent documentation of notification number CN 203773942 is open A kind of plant interactive device and system.Plant interactive device includes: detection module, for connect with The plant of ground insulation or vegetables and fruits, so that it constitutes-RC vibration because of human body and plant or the touching of vegetables and fruits Circuit；Control chip, for output pulse signal to described detection module, and shakes according to described RC The discharge and recharge time swinging circuit judges whether human body has touching with plant or vegetables and fruits；Audio playing module, Have, with plant or vegetables and fruits, the control touched and export because determining human body for receiving described control chip After signal processed, export audio signal；Power module, for carrying for control chip and audio playing module For running voltage.By detection human body whether with the contacting as audio playing module of plant or vegetables and fruits Switching signal, it is achieved result of broadcast, using plant or vegetables and fruits as " switch ", improves making of user Use entertaining.But this invention only can recognize that user has touched plant, and the position of touching can not be identified, More not connected with pitch at position, the experience that can bring user is limited.

And for example the patent documentation of notification number CN 204759418 discloses a kind of based on distributed capacitor sense Answering the ecological vegetable interactive device of technology, including putting soil box and control flume, control flume is snapped in puts soil box Inside, is provided with distributed capacitor detection probe putting bottom soil box, be provided with in control flume control mainboard, Battery, speaker, charge port and display lamp, battery, speaker, charge port and display lamp respectively with Controlling mainboard to connect, distributed capacitor detection probe is fixedly installed on directly over control mainboard, speaker It is fixedly installed on the bottom of control flume, display lamp and charge port and is respectively fixedly disposed at the left side controlling mainboard Right both sides.This device is changed by perception plant direct-to-ground capacitance, and being told by analysis is human body touching Still water or be environment change, realizing response with the form of light harmony；And by the Internet by one The touching of plant feeds back to another plant；Apparatus structure is simple and practical, and volume is little not to take up space, Make full use of device inner space carry out multiple module setting and easily assemble.

But the plant interactive device of prior art, is only merely sounding or luminescence after perception touching, only Interest can be increased, and cannot function as instrument playing music.

Utility model content

This utility model provides a kind of musical instrument played music with plant, can carry out sound by touching plant Happy performance, abundant musical composition and music initiation mode.

A kind of musical instrument played music with plant, including:

Detection module, connects the plant insulated with ground and is used for detecting people and touches plant diverse location and produced Change in electric；

Control chip, is used for exporting the signal of telecommunication extremely described detection module, and produces according to change in electric Different audio control signals；

Audio playing module, is used for receiving described control chip because of people and touches plant diverse location and defeated The audio control signal gone out, and export the sound of different frequency；

Power module, for providing running voltage for control chip and audio playing module.

The technical problems to be solved in the utility model is for current musical instrument manufacturing technology, touch sensing skill Art, veggetable electricity gather monitoring technology limitation, it is provided that a kind of musical instrument played music by plant and Method.

This utility model solves its technical problem and be the technical scheme is that carry out playing music novel is planted Thing musical instrument is the plant pot structure of a cylinder shape belt osculum, and the upper container of plant pot is used for containing mud Soil and serike, and the bottom of plant pot is used for accommodating electronic module, upper and lower two parts are divided by dividing plate Separating to avoid electronic module damaged, plant pot lower central has the discharge outlet of cylindrical, hollow to tie Structure is to discharge the moisture of excess in soil.Plant pot bottom mainly includes (the inspection of plant electric signal sensor Survey module), single-chip microcomputer (control chip), (audio frequency is broadcast for set of cells (power module) and sound-producing device Amplification module).Detection module as plant electric signal sensor by a series of electric capacity, resistance, inductance, Diode and wire composition, in order to reduce volume so that disposing, plant electric signal sensor uses one The standard printed circuit board (PCB) of fritter independence；Two wires of plant electric signal sensor are divided Other ground connection and receive plant root (or insert vicinity of plants soil in) after, plant electric signal sense Device is by circuit plus a series of alternating currents in the range of certain frequency, when people touches plant difference During position, the alternating current amplitude in each frequency changes, and it utilizes frequency sweep capacitance touch sensing skill Art (SFCS) gathers owing to people touches the change in electric data caused by plant different parts, and Single-chip microcomputer is transferred data to after being filtered.Control chip can select Arduino serial application relatively For UNO R3 widely as controller.

In order to realize the plant generation different electrical signals of touch diverse location, (alternating current amplitude becomes Change), it is preferred that described detection module includes:

First resistance, one end is connected with the signal output part of control chip；

Second resistance, connects ground connection after the other end of the first resistance；

Inductance, connects the other end of the first resistance；

First electric capacity, one end connects the other end of inductance, and the other end connects plant as test side；

Switching diode, one end connects the other end of inductance, the input of other end Access Control chip；

RC circuit, is made up of the 3rd resistance and the second electric capacity, the other end of connecting valve diode.

Detection module connects plant for convenience, it is preferred that the test side of described first electric capacity uses electricity Pole piece.As long as the soil that electrode slice inserts plant place can complete to connect.

In order to reduce the volume of musical instrument and be easy to use, it is preferred that described power module is done by more piece Battery forms.Aneroid battery volume is little and changes conveniently.The lid of power module is positioned on plant pot tub wall, It is convenient for changing battery.

Audio playing module is the output device of music, is dirt cheap and facilitates, and can pass through Arduino Carry out the frequency of coding-control sound, produce different tones.Preferably, described audio playing module Use buzzer.Now audio playing module plays single-tone, i.e. touches a position and sends a kind of audio frequency Sound, such that it is able to use as musical instrument.Audio playing module can be chosen according to range Choosing, if in order to carry out music initiation to child, then can play difference according to the change of the signal of telecommunication Song, i.e. touch plant diverse location i.e. play different songs.Audio player is positioned at plant pot On wall, module is broken with the isolation steam that situation brought such as water by its surface with waterproof layer Bad.

Preferably, described plant pot is internal is divided into upper and lower two-layer, described detection module, control by dividing plate Coremaking sheet, audio playing module and power module are all arranged on lower layer space.Containing electronic module Plant pot combines together with plant, and the most whole musical instrument does not has a wire, will not bring people's ice Cold science and technology sense, the substitute is high emotional experience.

Simultaneously for ease of completing the draining on upper strata, it is preferred that the middle part of described dividing plate is provided with discharge outlet, Discharge outlet is connected to the drain pipe through plant pot lower layer space.

This utility model additionally provides the control method of a kind of musical instrument played music with plant, uses above-mentioned Musical instrument, comprises the following steps:

(1) initialization of variable；

(2) the control chip output signal of telecommunication is to described detection module；

(3) position of people for the first time touching plant is defined as normal place, and will now produce Audio control signal controls audio playing module and sends standard pronunciation；

(4), when descendant touches other positions of plant, detection module detects current touch position Putting the position skew with normal place, control chip produces audio control signal according to position skew and controls Audio playing module sends the current volume of offset criteria sound.

Control method of the present utility model determines normal place and standard pronunciation, afterwards by touching for the first time The drift condition of pronunciation is determined by touching side-play amount.People is allowed to send standard when touching plant for the first time Sound, touches the side-play amount of plant parts according to people afterwards and determines the skew of pitch and standard pronunciation, overcome People is easily allowed to lose the defect in pitch direction owing to plant does not exists button.

The volume of data monitoring detection module is analyzed by control chip, travels through all frequencies On alternating current find the power frequency corresponding to peak swing as eigenvalue, judge that people touches Different parts；Using the power frequency corresponding to peak swing during people touching plant for the first time as standard The power frequency that sound is corresponding, descendant again touch the position with touching for the first time, the position of plant at thing Skew on reason position, translates into the skew of power frequency corresponding to peak swing, then shows Offset with standard pronunciation for sound frequency.I.e. detection module controls the moment that sound-producing device is touched people Send the sound of certain pitch, and pitch is mapped with touching position, thus realize drilling of musical instrument Play.

The stability of Activity recognition is touched, it is preferred that only when detecting for twice in order to improve people When side-play amount between big power frequency corresponding to amplitude exceedes the threshold value of setting, just possesses definition new The condition of touching behavior, which reduce the shadow that the current fluctuation caused due to system instability is brought Ring；On the other hand, when detecting the power frequency corresponding to peak swing, final detection result be The meansigma methods of repetitive measurement in short time, it is dynamic that this time is short so that people can not be completed twice touching very much Make.

In order to improve accuracy and the precision of measurement module, it is preferred that described detection module uses frequency sweep Capacitance touch sensing technology collection touches the change in electric caused by plant diverse location due to people.This Frequency sweep capacitive sensing techniques is applied in plant by utility model, can not only recognize people and touch and plant Thing, and position people touched is mapped with pitch.

The sound of musical instrument typically has gradually changeable, it is preferred that in step (4), described current volume The side-play amount of relative standard sound and position shift into positive correlation.

In order to improve practicality of the present utility model, it is preferred that the frequency of described standard pronunciation is 440Hz.

This utility model is compared with prior art: first, prior art only using plant as an audio frequency " switch ", utilize the timer observation circuit discharge and recharge time in controller and compare with preset value to come Judge whether user has touched plant, and this utility model is the amplitude by the electric current to different frequency Sample, compare the frequency of peak swing electric current afterwards to judge that people touches the position of plant；Secondly, The circuit of this utility model determines its controller frequency and is fixed by hardware, and of the present utility model The rate of scanning of controller is by program setting；Furthermore, just play with touching plant in this utility model and set Unlike the audio frequency reserved, this utility model will select after people touches the position of plant having judged Corresponding audio frequency plays out.

The beneficial effects of the utility model:

The utility model proposes and utilize plant to carry out the device played music, it is achieved people are by touching plant Carrying out the brand-new man-machine interaction experience of art music, touching plant different parts can send different frequencies Sound, explore new musical form for artist and carry out creating and open a new gate.

Accompanying drawing explanation

Fig. 1 is the structural representation of this utility model musical instrument.

Fig. 2 is the control circuit schematic diagram of this utility model musical instrument.

Fig. 3 is the fundamental diagram of this utility model musical instrument.

Fig. 4 is that plant of the present utility model is played music the flow chart of control method.

In figure:

1: plant, 2: soil, 3: plant pot drain pipe, 4: dividing plate, 5: wire, 6: battery Group, 7: electrode slice, 8: electric signal sensor, 9: wire, 10: buzzer and its surface waterproofing Layer, 11: wire, 12:Arduino Uno single-chip microcomputer, 13 wires.

Detailed description of the invention

As it is shown in figure 1, the musical instrument played music with plant of the present embodiment includes: wire 5, set of cells 6, Electrode slice 7, plant electric signal sensor 8 (detection module), wire 9, buzzer are prevented with its surface Water layer 10, wire 11, Arduino Uno single-chip microcomputer 12, wire 13.This musical instrument is a cylinder The plant pot structure of shape, the upper container of plant pot is used for containing earth and serike, and plant pot Bottom be used for accommodating electronic module, upper and lower two parts are separated to avoid electronic module by dividing plate 4 Damaged, plant pot drain pipe 3 is in the cylindrical hollow configuration of lower central.Set of cells 6 by If aneroid battery and lid composition, can open lid from the outside and put into battery, wire 5 is by set of cells 6 He Arduino Uno single-chip microcomputer 12 is connected, and the wire 13 being connected with Arduino Uno single-chip microcomputer 12 is wanted Being connected to the ground, Arduino Uno single-chip microcomputer 12 is simultaneously by wire 10 and the plant telecommunications above it Number sensor 8 is connected, plant electric signal sensor 8 by electrode slice 7 with plant the soil having plant 1 2 are connected, and buzzer and its surface waterproofing layer 10 are by wire 11 and Arduino Uno single-chip microcomputer 12 Being connected, buzzer is positioned on plant tub wall, and it is completely cut off by surface waterproofing layer with outside air and steam opens Come.

As in figure 2 it is shown, Arduino Uno single-chip microcomputer 12 in the circuit theory diagrams of the musical instrument of the present embodiment Select the relatively broad UNO R3 of Arduino serial application as controller, the b of buzzer 10 End is connected to Digital 8 port of Arduino Uno single-chip microcomputer 12 single-chip microcomputer 12, buzzer 10 A end ground connection.Digital 9 port of Arduino Uno single-chip microcomputer 12 is as pulse signal generator Link a end of resistance R1, the b end of R1 by resistance R2 be connected to (note: ground bag herein Include the earth terminal of supply hub, the GND end of Arduino Uno single-chip microcomputer 12 and being detected to plant The GROUND of thing, ground end above also should link together), resistance R1 and resistance R2 carries Supply the effect of dividing potential drop, in order to the signal after being allowed to is in suitable amplitude.The b end of R1 is by electricity Sense L1 is connected to a end of electric capacity C2, and the b end of electric capacity C2 is exactly the test side (PLANT) of plant. Lc circuit has filtering characteristic.The b end of inductance L1 has a small-sized cache switching diodes D1, The b end of D1 is connected to a RC circuit being made up of electric capacity C1 and resistance R3, resistance R3 phase When in a load, electric capacity C1 connected in parallel is used for filtering the clutter of high frequency, to obtain preferably Waveform.The b end of electric capacity C2 is directly connected to the GROUND of people and plant place.The b end of D1 is also Being connected to the analog input end A0 of Arduino Uno single-chip microcomputer 12, analog input end A0 will gather To signal be transferred to Arduino Uno single-chip microcomputer 12 and process.

As it is shown on figure 3, the operation principle of the musical instrument of the present embodiment is: set of cells 6 is whole as power supply Individual system power supply, is controlled to generate the alternation electricity of certain frequency scope by Arduino Uno single-chip microcomputer 12 Stream, and be connected with ground and plant electric signal sensor 8, plant electric signal sensor 8 passes through electrode Sheet 7 is connected with plant.After people touches plant, owing to people and plant are all conducted electricity, formed between the two Electric capacity, the frequency of original electrical signal and amplitude will change.People touches the different parts of plant, from The electrical properties of body, by difference, will cause the change of electric current amplitude on a different frequency, and these data are planted Thing electric signal sensor 8 enters Arduino Uno single-chip microcomputer 12 after gathering and processes, finally Arduino Uno single-chip microcomputer 12, by the position according to touching, controls buzzer 10 and sends different frequency Sound.

As described in Figure 4, the musical instrument of the present embodiment carries out the program circuit that plant plays music and comprises the following steps:

(1) initialization of variable, Arduino Uno single-chip microcomputer 12 by control instruction with plant phase Circuit even produces a series of alternating currents at base frequency (Hz), and detects this frequency range The amplitude (V) of the alternating current of interior all frequencies, then traversal finds out the alternating current amplitude of maximum Corresponding frequency x；

(2) this detection the most for the first time is judged: enter step (3) if not, if it is enter Enter step (8)；

(3) judge that frequency x corresponding to maximum alternating current amplitude detected specifically was examined with last time Whether the skew between value z measured exceedes threshold value (100Hz is manually set and can revise): if Then enter step (4), if otherwise entering step (8)；

(4) judge to be defined either with or without new touch action in upper once detection: if otherwise entered Enter step (6), if yes then enter step (8)；

(5) the newest touch action is defined；

(6) after the touch action that definition is the newest, it is judged that standard pronunciation (international standard Height is to vibrate a sound of 440 times each second, i.e. with a of small character one group for " standard pronunciation ", standard Sound can also be set as required) corresponding to power frequency variable y be the most assigned；

Frequency x corresponding to the most currently detected maximum current amplitude is assigned to this change Amount y, determines that sound vibrations frequency t is standard pronunciation；

If it is the power frequency variable y corresponding to standard of comparison sound and currently detected maximum friendship The size of the power frequency x corresponding to time-dependent current amplitude, so that it is determined that the size of acoustical vibration frequency t； X skew y is the most remote, and t then offset criteria voice frequency 440Hz is the most remote；

(7) instruction is sent to send the frequency sound as t to buzzer.

(8) judge whether long-time undefined new touch action, if it is terminate program, as The most no so program jumps back to " initialization of variable " of step (1) and continues executing with afterwards.

The above, be only preferred embodiment of the present utility model, is not to this utility model Making the restriction of other form, any those skilled in the art are possibly also with the technology of the disclosure above Content is changed or is modified as the Equivalent embodiments of equivalent variations.But it is every new without departing from this practicality Type technical scheme content, any letter above example made according to technical spirit of the present utility model Single amendment, equivalent variations and remodeling, still fall within the protection domain of technical solutions of the utility model.

Claims (6)

1. the musical instrument played music with plant, it is characterised in that including:

Plant pot, plantation has the plant interactive with people；

Detection module, connects the plant insulated with ground and is used for detecting people and touches plant diverse location and produced Change in electric；

Control chip, is used for exporting the signal of telecommunication extremely described detection module, and produces according to change in electric Different audio control signals；

Audio playing module, is used for receiving described control chip because of people and touches plant diverse location and defeated The audio control signal gone out, and export the sound of different frequency；

Power module, for providing running voltage for control chip and audio playing module；

Described detection module includes:

First resistance, one end is connected with the signal output part of control chip；

Second resistance, connects ground connection after the other end of the first resistance；

Inductance, connects the other end of the first resistance；

First electric capacity, one end connects the other end of inductance, and the other end connects plant as test side；

Switching diode, one end connects the other end of inductance, the input of other end Access Control chip；

RC circuit, is made up of the 3rd resistance and the second electric capacity, the other end of connecting valve diode.

2. the musical instrument played music with plant as claimed in claim 1, it is characterised in that described first The test side of electric capacity uses electrode slice.

3. the musical instrument played music with plant as claimed in claim 1, it is characterised in that described power supply Module is made up of more piece aneroid battery.

4. the musical instrument played music with plant as claimed in claim 1, it is characterised in that described audio frequency Playing module uses buzzer.

5. the musical instrument played music with plant as claimed in claim 1, it is characterised in that described plant Basin is internal is divided into upper and lower two-layer, described detection module, control chip, audio playing module by dividing plate And power module is all arranged on lower layer space.

6. the musical instrument played music with plant as claimed in claim 5, it is characterised in that described dividing plate Middle part be provided with discharge outlet, discharge outlet is connected to the drain pipe through plant pot lower layer space.