CN209373839U

CN209373839U - A kind of instructional device applied to one-to-many Piano Teaching mode

Info

Publication number: CN209373839U
Application number: CN201821870632.3U
Authority: CN
Inventors: 李春晓
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-14
Filing date: 2018-11-14
Publication date: 2019-09-10
Anticipated expiration: 2028-11-14

Abstract

The utility model relates to educate equipment facility technical field, a kind of instructional device applied to one-to-many Piano Teaching mode is provided, teach device including display device, teacher and student learns exercise device: it includes first terminal host, first network video camera, sound pick up equipment and stereo set that teacher, which teaches device, and it includes second terminal host, the second web camera and headphone that student, which learns exercise device,；Display device includes display host and display screen；First network video camera and several second web cameras radio receiving transmitting module communication connection with display host respectively, to during Piano Teaching, realize one-to-many teaching study, student can play operation by display screen progress focusing study teacher, teacher can also be by showing that screen checks that student's plays gimmick simultaneously, and realize that the movement to student is corrected by stereo set, and it is structurally reasonable, convenience is provided for Piano Teaching.

Description

A kind of instructional device applied to one-to-many Piano Teaching mode

Technical field

The utility model belongs to education equipment facility technical field, more particularly to a kind of applied to one-to-many Piano Teaching mould The instructional device of formula.

Background technique

Piano teaching is a big event in music education, and piano is known as the laudatory title of " king of musical instrument ", learns piano It can cultivate one's taste, improve artistic accomplishment, facilitate the exploitation of teenager, children's intelligence, enhance eye, ear, brain and right-hand man Harmony, and have very greatly to the overall qualities such as attention, memory, imagination, creativity and sensitive reaction are improved Facilitation, enrich people free life.

Currently, Piano Teaching generally uses teacher to plan as a whole teaching demonstration or one-to-one during school's Piano Teaching The mode of teaching is taught, the equal existing defects of both modes:

(1) teacher plans as a whole the mode of teaching demonstration, and teacher is in the fingering of foreground demonstration piano and the playing etc. of vocal music Hold, after planning as a whole study, student carries out rehearsal study further according to the content acquired, thus the skill grasping fingering and playing, this The teaching method of kind piano is more traditional, and learning effect is poor, in learning process, it is more difficult to be reminded and be instructed in real time；

(2) one-to-one Piano Teaching method, in teaching process, teacher carries out one-to-one guidance teaching, can be timely The contents such as fingering and playing skill to student are instructed and are criticized, and achieve the effect that quickly to improve piano playing ability, but It is this one-to-one teaching method, is unable to satisfy curricula one-to-many at present, numerous students is caused not know from experience really Professor's content of teacher, can not grasp playing skill, gradually lose the learning interest to piano.

Utility model content

The purpose of this utility model is to provide one kind to be convenient for one-to-many carry out Piano Teaching, and teaching efficiency is preferable Instructional device applied to one-to-many Piano Teaching mode.

The utility model is realized in this way a kind of instructional device applied to one-to-many Piano Teaching mode, described to answer Instructional device for one-to-many Piano Teaching mode includes display device, teacher's instruction device that teacher piano side is arranged in Learn exercise device with several students that student piano side is arranged in:

It includes first terminal host, first network video camera, sound pick up equipment and stereo set, institute that the teacher, which lectures device, It states first network video camera, sound pick up equipment and stereo set to connect with the first terminal host respectively, the first terminal master Machine includes the first encapsulating housing and the first circuit board that is arranged in inside first encapsulating housing, on first encapsulating housing Equipped with first switch key and several voice control buttons, the first circuit board is equipped with the first controller, wireless receiving and dispatching Circuit, the first power circuit and the first dual-mode antenna；

It includes second that second terminal host and the second terminal host are correspondingly arranged that the student, which learns exercise device, Web camera and headphone, the headphone are connect with the second terminal host, and the second terminal host includes In the intracorporal second circuit board of the second encapsulating shell, second encapsulating housing is equipped with second for second encapsulating housing and setting Switch key and prompt key, the second circuit board be equipped with second controller, wireless transceiver circuit, second source circuit and Second dual-mode antenna, the teacher lectures device and student study exercise device passes through the wireless transceiver circuit respectively and connects It connects；

The display device includes display host and display screen, and the display host is connect with the display screen, institute It states display host and is equipped with radio receiving transmitting module；

The first network video camera and several described second web cameras are wireless with the display host respectively Transceiver module communication connection.

As an improvement scheme, first power circuit is identical with second source circuit structure, it is described first electricity Source circuit and second source circuit include include charging circuit, rechargeable battery, charge and discharge control switch and DC-DC circuit.

As an improvement scheme, the charging circuit include the first main control chip, the first main control chip be equipped with pin 1, pin 2, pin 3, pin 4 and pin 5, pin 4 are connect with power input, and pin 2 and pin 5 are grounded, the concatenation of pin 1 the It is grounded after one LED light, pin 3 connects the positive terminal of rechargeable battery, and the first electricity is equipped between pin 3 and the positive terminal of rechargeable battery Node is flowed, the route that the first current node is drawn is switched equipped with charge and discharge control, the other end connection of charge and discharge control switch DC-DC circuit, DC-DC circuit include the second main control chip, and the second main control chip includes pin 1, pin 2, pin 3,4 and of pin Pin 5, pin 5 are connect with the other end that charge and discharge control switchs, and the circuit between charge and discharge control switch and pin 5 is equipped with Second current node, the second current node draw route tandem electric inductance after connect first crystal diode, inductance with first crystalline substance Third current node, the connection that third current node is drawn to pin 1, first crystal diode are equipped between body diode The other end be connected with the second crystal diode, the route between the second crystal diode and first crystal diode is equipped with the Four current nodes, the route that the 4th current node is drawn are equipped with the first resistor that is arranged in parallel and capacitor, first resistor it is another One end connects the pin 3 of the second main control chip, is grounded after the other end concatenation second resistance of capacitor, the connection of the second crystal diode Power output end is equipped with the 5th current node between the second crystal diode and power output end, what the 5th current node was drawn It is grounded after the second LED light of connection.

As an improvement scheme, the rechargeable battery be lithium-ions battery.

As an improvement scheme, the structure of the first network video camera and the second web camera is identical, described First network video camera and the second web camera include video camera shooting circuit, power supply circuit, video signal conversion circuit and Wireless communication interface；

The power supply circuit is connected with power supply adaptor, and the power supply adaptor connects alternating current.

As an improvement scheme, the wireless communication interface be wireless wifi interface.

In the present invention, the instructional device applied to one-to-many Piano Teaching mode includes that display device, teacher say Award device and student learns exercise device: it includes first terminal host, first network video camera, sound pick up equipment that teacher, which lectures device, And stereo set, it includes second terminal host, the second web camera and headphone that student, which learns exercise device,；Display device Including display host and display screen；First network video camera and several second web cameras nothing with display host respectively Line transceiver module communication connection, to realize one-to-many teaching study during Piano Teaching, student can pass through display screen Curtain carries out the operation of playing of focusing study teacher, while teacher can also check the gimmick of playing of student by display screen, and Realize that the movement to student is corrected by stereo set, it is structurally reasonable, convenience is provided for Piano Teaching.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the instructional device provided by the utility model applied to one-to-many Piano Teaching mode；

Fig. 2 is the structural schematic diagram of web camera provided by the utility model；

Fig. 3 is the structural schematic diagram of power circuit provided by the utility model；

Fig. 4 is the structural schematic diagram of first circuit board provided by the utility model；

Fig. 5 is the structural schematic diagram of second circuit board provided by the utility model；

Wherein, 1- first terminal host, 2- first network video camera, 3- sound pick up equipment, 4- stereo set, 5- first are controlled Device, 6- wireless transceiver circuit, the first power circuit of 7-, the first dual-mode antenna of 8-, 9- second terminal host, the second network of 10- are taken the photograph Camera, 11- headphone, 12- have second controller, 13- radio receiving transmitting module, 14- second source circuit, the transmitting-receiving of 15- second Antenna, 16- show that host, 17- show that screen, 18- video camera shoot circuit, 19- power supply circuit, 20- vision signal conversion electricity Road, 21- wireless communication interface, 22- charging circuit, the first main control chip of 23-, the first LED light of 24-, 25- rechargeable battery, 26- One current node, 27- charge and discharge control switch, 28-DC-DC circuit, the second main control chip of 29-, the second current node of 30-, 31- First crystal diode, 32- third current node, the second crystal diode of 33-, the 4th current node of 34-, 35- first resistor, 36- capacitor, 37- second resistance, the 5th current node of 38-, the second LED light of 39-.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

Fig. 1 shows the structural representation of the instructional device provided by the utility model applied to one-to-many Piano Teaching mode Figure, only gives part relevant to the utility model for ease of description, in figure.

Instructional device applied to one-to-many Piano Teaching mode includes display device, teacher is arranged in the religion of piano side Teacher lectures device and several students study exercise device that student piano side is arranged in:

As shown in connection with fig. 4, it includes first terminal host 1, first network video camera 2,3 and of sound pick up equipment that teacher, which lectures device, Stereo set 4, first network video camera 2, sound pick up equipment 3 and stereo set 4 are connect with first terminal host 1 respectively, and first eventually End main frame 1 includes the first encapsulating housing and the first circuit board being arranged in inside the first encapsulating housing, sets on the first encapsulating housing Have a first switch key and several voice control buttons, first circuit board be equipped with the first controller 5, wireless transceiver circuit 6, First power circuit 7 and the first dual-mode antenna 8, wireless transceiver circuit 6, the first power circuit 7 and the first dual-mode antenna 8 respectively with The connection of first controller 5；

As shown in connection with fig. 5, student learns exercise device and includes second terminal host 9, is correspondingly arranged with second terminal host 9 The second web camera 10 and headphone 11, headphone 11 connect with second terminal host 9, second terminal host 9 wrap It includes the second encapsulating housing and is arranged in the intracorporal second circuit board of the second encapsulating shell, the second encapsulating housing is pressed equipped with second switch Key and prompt key, second circuit board are equipped with second controller 12, wireless transceiver circuit 6, second source circuit 14 and second Dual-mode antenna 15, the wireless transceiver circuit 6, second source circuit 14 and the second dual-mode antenna 15 connect with second controller 12 respectively It connects, teacher lectures device and student's study exercise device passes through wireless transceiver circuit 6 respectively and connects；

Display device includes display host 16 and display screen 17, and display host 16 is connect with display screen 17, display master Machine 16 is equipped with radio receiving transmitting module 13；

First network video camera 2 and several second web cameras 10 radio receiving transmitting module with display host 16 respectively 13 communication connections.

Wherein, above-mentioned teacher lectures device for being shown to the curricula of teacher, and curricula includes teacher's Sitting posture plays posture, fingering content and body harmony content, is then shown by display device, while by picking up Mixer 3 handles the voice content of teacher, and is played out by stereo set 4, watches for student, learns；

The student learns exercise device and is used for the content that student shows according to the display device, and implementation white silk is carried out on piano It practises, and is acquired by the play information such as movement of second web camera 10 to student, wirelessly sent to aobvious Showing device is watched for teacher, and criticizes wherein wrong student, which is voice prompting, following to have in detail Realization, details are not described herein.

In teaching process, the radio receiving transmitting module 13 that display host 16 is arranged, for receiving 2 He of first network video camera The shooting image that second web camera 10 is sent, and image will be shot according to actual display demand, on display screen 17 It is shown, such as when showing the video image of teacher, can be shown with whole screen, when the practice for showing student learns image, It can realize that the entirety of teacher is checked, and criticize mistake with split screen display available, wherein the control program setting of the split screen display available is aobvious Show in host 16.

In the present invention, the number of the voice control button on the first encapsulating housing of first terminal host 1 is set Amount is corresponding with the quantity of actual second terminal host 9, and the practice study of each student is shown on above-mentioned display screen 17 When video image, video separated screen label is corresponding with corresponding second terminal host 9, i.e., matches with the voice control button, Such as when the student's operation for No. 6 split screens for showing the display of screen 17 makes mistakes, then teacher can press the voice labeled as No. 6 First controller 5 of control button, first circuit board parses the operational order, and the control instruction after parsing is passed through Wireless transceiver circuit 6 is sent to the wireless transceiver circuit 6 of corresponding second terminal host 9, then passes through the of second terminal host 9 The parsing of two controllers 12, generates corresponding voice messaging, is delivered in student's ear by headphone 11, operates to its piano It is instructed.

In the present invention, wireless communication networks are formed between above-mentioned first terminal host 1 and second terminal host 9, Wireless communication networks are formed between first network video camera 2, the second web camera 10 and display host 16, are passed through between each other The specification of agreement carries out information exchange, and as shown in phantom in Figure 1, details are not described herein.

In the present invention, as shown in Fig. 2, first network video camera 2 is identical with the structure of the second web camera 10, First network video camera 2 and the second web camera 10 include video camera shooting circuit 18, power supply circuit 19, vision signal conversion Circuit 20 and wireless communication interface 21；

Power supply circuit 19 is connected with power supply adaptor, and power supply adaptor connects alternating current；

The wireless communication interface 21 is wireless wifi interface, and for realizing the transmitting-receiving of video data, details are not described herein.

Wherein, which is conventional video signal conversion circuit 20, i.e., shoots to the video camera The vision signal that circuit 18 takes is compressed, so that wireless communication interface 21 can be transported to destination address；

The power supply circuit 19 is conventional power protecting circuit, is filtered to the power supply that power supply adaptor is delivered to Operation, details are not described herein.

It is above-mentioned only protect be first network video camera 2 and the second web camera 10 internal framework, do not protect soft Part controls program and content, and details are not described herein.

In the present invention, as shown in figure 3, the first power circuit 7 is identical with 14 structure of second source circuit, the first electricity Source circuit 7 and second source circuit 14 include including charging circuit 22, rechargeable battery 25, charge and discharge control switch 27 and DC- DC circuit 28.

Wherein, charging circuit 22 includes the first main control chip 23, and the first main control chip 23 is equipped with pin 1, pin 2, pin 3, pin 4 and pin 5, pin 4 are connect with power input, and pin 2 and pin 5 are grounded, after pin 1 concatenates the first LED light 24 Ground connection, pin 3 connect the positive terminal of rechargeable battery, and the first current node 26 is equipped between pin 3 and the positive terminal of rechargeable battery, The route that first current node 26 is drawn is equipped with charge and discharge control switch 27, and the other end of charge and discharge control switch 27 connects DC-DC circuit 28, DC-DC circuit 28 include the second main control chip 29, and the second main control chip 29 includes pin 1, pin 2, pin 3, pin 4 and pin 5, pin 5 are connect with the other end of charge and discharge control switch 27, charge and discharge control switch 27 and pin 5 it Between circuit be equipped with the second current node 30, the second current node 30 draw route tandem electric inductance after connect first crystal two Pole pipe 31 is equipped with third current node 32, the route that third current node 32 is drawn between inductance and first crystal diode 31 Be connected to pin 1, the other end of first crystal diode 31 is connected with the second crystal diode 33, the second crystal diode 33 with Route between first crystal diode 31 is equipped with the 4th current node 34, and the route that the 4th current node 34 is drawn is equipped with The first resistor 35 and capacitor 36 being arranged in parallel, the other end of first resistor 35 connect the pin 3 of the second main control chip 29, capacitor The other end concatenation second resistance 37 after be grounded, the second crystal diode 33 connect power output end, the second crystal diode 33 After the second LED light of connection 39 drawn between power output end equipped with the 5th current node 38, the 5th current node 38 Ground connection.

In this embodiment, above-mentioned first main control chip 23 can use LM358, and the second main control chip 29 can use LM317, at this point, the circuit of chip LM358 and chip LM317 composition realizes simple charge and discharge as the application charging circuit, It can certainly realize that details are not described herein using the chip of other models.

Wherein, above-mentioned rechargeable battery is lithium-ions battery, naturally it is also possible to use other structures, details are not described herein.

In the present invention, the instructional device applied to one-to-many Piano Teaching mode includes that display device, teacher say Award device and student learns exercise device: it includes first terminal host 1, first network video camera 2, pickup dress that teacher, which lectures device, 3 and stereo set 4 are set, it includes second terminal host 9, the second web camera 10 and headphone that student, which learns exercise device, 11；Display device includes display host 16 and display screen 17；First network video camera 2 and several second web cameras 10 Respectively with display host 16 13 communication connection of radio receiving transmitting module, to realize one-to-many religion during Piano Teaching Study, student can play operation by the display progress focusing study teacher of screen 17, while teacher can also pass through display Screen 17 checks the gimmick of playing of student, and realizes that the movement to student is corrected by stereo set 4, structurally reasonable, is piano Teaching provides convenience.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims

1. a kind of instructional device applied to one-to-many Piano Teaching mode, which is characterized in that described to be applied to one-to-many piano The instructional device of teaching pattern includes that display device, teacher's instruction device that teacher piano side is arranged in and setting are used in student Several students of piano side learn exercise device:

It includes first terminal host, first network video camera, sound pick up equipment and stereo set that the teacher, which lectures device, and described the One web camera, sound pick up equipment and stereo set are connect with the first terminal host respectively, the first terminal host packet The first circuit board for including the first encapsulating housing and being arranged in inside first encapsulating housing, first encapsulating housing are equipped with First switch key and several voice control buttons, the first circuit board be equipped with the first controller, wireless transceiver circuit, First power circuit and the first dual-mode antenna；

The student learns the second network that exercise device includes second terminal host, is correspondingly arranged with the second terminal host Video camera and headphone, the headphone are connect with the second terminal host, and the second terminal host includes second In the intracorporal second circuit board of the second encapsulating shell, second encapsulating housing is equipped with second switch for encapsulating housing and setting Key and prompt key, the second circuit board are equipped with second controller, wireless transceiver circuit, second source circuit and second Dual-mode antenna, teacher's instruction device pass through the wireless transceiver circuit with student study exercise device respectively and connect；

The display device includes display host and display screen, and the display host is connect with the display screen, described aobvious Show that host is equipped with radio receiving transmitting module；

The first network video camera and several described second web cameras wireless receiving and dispatching with the display host respectively Module communication connection.

2. the instructional device according to claim 1 applied to one-to-many Piano Teaching mode, which is characterized in that described One power circuit is identical with second source circuit structure, and first power circuit and second source circuit include charging electricity Road, rechargeable battery, charge and discharge control switch and DC-DC circuit.

3. the instructional device according to claim 2 applied to one-to-many Piano Teaching mode, which is characterized in that described to fill Circuit include the first main control chip, the first main control chip be equipped with pin 1, pin 2, pin 3, pin 4 and pin 5, pin 4 with Power input connection, pin 2 and pin 5 are grounded, and pin 1 is grounded after concatenating the first LED light, and pin 3 connects rechargeable battery Positive terminal is equipped with the first current node, sets on the route that the first current node is drawn between pin 3 and the positive terminal of rechargeable battery There is charge and discharge control switch, the other end of charge and discharge control switch connects DC-DC circuit, and DC-DC circuit includes the second master control core Piece, the second main control chip include pin 1, pin 2, pin 3, pin 4 and pin 5, and pin 5 switchs another with charge and discharge control End connection, the circuit between charge and discharge control switch and pin 5 are equipped with the second current node, the line that the second current node is drawn First crystal diode is connected after the tandem electric inductance of road, and third current node, third are equipped between inductance and first crystal diode For the connection that current node is drawn to pin 1, the other end of first crystal diode is connected with the second crystal diode, and second Route between crystal diode and first crystal diode is equipped with the 4th current node, the route that the 4th current node is drawn It is equipped with the first resistor being arranged in parallel and capacitor, the other end of first resistor connects the pin 3 of the second main control chip, capacitor It is grounded after other end concatenation second resistance, the second crystal diode connects power output end, and the second crystal diode and power supply are defeated It is equipped with the 5th current node between outlet, is grounded after the second LED light of connection that the 5th current node is drawn.

4. the instructional device according to claim 3 applied to one-to-many Piano Teaching mode, which is characterized in that described to fill Battery is lithium-ions battery.

5. the instructional device according to claim 1 applied to one-to-many Piano Teaching mode, which is characterized in that described The structure of one web camera and the second web camera is identical, and the first network video camera and the second web camera include Video camera shoots circuit, power supply circuit, video signal conversion circuit and wireless communication interface；

6. the instructional device according to claim 5 applied to one-to-many Piano Teaching mode, which is characterized in that the nothing Line communication interface is wireless wifi interface.