CN211403816U

CN211403816U - Electronic frequency modulation radio teaching aid for children intelligence development

Info

Publication number: CN211403816U
Application number: CN202020054936.3U
Authority: CN
Inventors: 王东
Original assignee: Beijing Zhongcheng Borui Education Technology Co ltd
Current assignee: Beijing Zhongcheng Borui Education Technology Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-09-01
Anticipated expiration: 2030-01-09

Abstract

The invention discloses an electronic FM radio children intelligence-benefiting teaching aid, which is characterized in that 4 connecting round holes are arranged on a PCB, the front surface of the PCB is fixedly connected to a bottom plate and a top plate through 4 nylon columns with screws and 4 nylon columns with nut threads on the back surface of the PCB, rectangular interface grooves are arranged on the bottom plate and the top plate, 2 long side plates and 2 short side plates are respectively arranged on the long side plates and the short side plates, the long side plates and the short side plates are clamped into the corresponding interface grooves on the bottom plate and the top plate through corresponding convex parts, the bottom plate and the top plate are made of transparent acrylic materials, 4 round hole positions are reserved at the corresponding positions respectively, the bottom plate and the top plate are respectively fixed with the nylon columns with 4 screws, the electronic FM radio children intelligence-benefiting teaching aid has the advantages of novel design principle, unique structure, convenience in debugging, entertainment, very wide commercial prospect and capability of filling up related technical blanks, but also can generate larger social benefit and economic benefit.

Description

Electronic frequency modulation radio teaching aid for children intelligence development

Technical Field

The invention relates to the field of electronic teaching aids, in particular to an electronic frequency modulation radio teaching aid for children intelligence development.

Background

The evaluation method is different from the evaluation method of quantifying children by scores in the traditional teaching by relying on various electronic teaching aids, developing creativity and creating a brainstorming storm as the teaching aim, introducing innovation in thinking, developing the abilities of the children by creating an education idea in action and adopting a teaching mode of playing middle school, learning middle school and thinking.

At present, the intelligence-developing electronic teaching aid has the advantages of single function, less types and high packaging degree, electronic devices are welded on a circuit board, and students cannot manually plug and pull for debugging, but the flexibility is high and the modular electronic teaching aid can be plugged and pulled.

In order to solve the technical bottlenecks of relatively backward design level, difficult debugging, poor training effect and the like of the electronic teaching aid in the prior art, the invention discloses an electronic frequency modulation radio children intelligence-developing teaching aid which is low in cost, novel in scheme, unique in configuration, novel in principle, high in flexibility, short in debugging time, capable of repeatedly assembling electronic devices on site, capable of meeting the actual requirements of children intelligence-developing training, capable of filling the blank of related technologies and capable of generating larger social benefits and economic benefits.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the electronic frequency modulation radio children intelligence-developing teaching aid which is unique in principle, breaks through the conventional technical scheme, is novel in conception, flexible in design, simple in assembly and good in training effect, and can be used for debugging and plugging in and out components by a student on the training site and enhancing the teaching effect.

The utility model provides an electron frequency modulation radio children educational teaching aid, be provided with 4 connection round holes on its characterized in that PCB board, PCB board front side is through 4 threaded nylon posts and 4 nut ripples bi-pass nylon posts fixed connection of PCB board reverse side on bottom plate and roof, be provided with rectangle interface recess on bottom plate and the roof, long curb plate and short curb plate are each 2, long curb plate and short curb plate go into the interface recess that corresponds on bottom plate and the roof through the bulge card that corresponds, bottom plate and roof are 4 round hole positions that transparent ya keli material left out in the position that corresponds separately, bottom plate and roof respectively use 4 threaded fixing nylon posts.

The corresponding position that needs to set up electronic component on the PCB board is provided with female seat of round hole buckle welding in advance, and the inside buckle of the female seat jack of welding adopts the reed form, and electronic component need not fixed welding on the PCB board, and the detachable disect insertion of electronic component welds in the round hole of female seat.

The front surface of the PCB is provided with a toggle switch, a Schottky diode and a voltage stabilizing chip are arranged on the left side of the toggle switch, a return key S1 is arranged above the toggle switch, a single chip microcomputer is arranged in the middle of the front surface of the PCB, resistors R19-R22 are arranged on the left side of the single chip microcomputer, resistors R3-R11 are arranged above the single chip microcomputer, a power supply connector is arranged on the front surface of the PCB, key switches S2-S5 and resistors R13-R16 are arranged on the left side of the power supply connector, a data downloading interface is arranged on the front surface of the PCB, triodes Q1-Q4 are arranged below the data downloading interface, a sound receiving module is arranged on the front surface of the PCB, a crystal oscillator is arranged on the left side of the sound receiving module, ceramic chip capacitors C6, C7, C10, C11 and C14 are arranged on the upper side of the sound receiving module, ceramic chip capacitors C4 and C5 are arranged on the left side of the sound receiving module, an audio amplifying chip is arranged on, the front surface of the PCB is provided with a nixie tube, the left side of the nixie tube is provided with a signal connector, and the right side of the nixie tube is provided with a power indicator light and a signal antenna.

A loudspeaker is arranged in the center in front of the PCB.

The central position of the back surface of the PCB is provided with a battery box.

The PCB is 100MM long and 80MM wide, FR-4 black oil white, lead-free tin spraying, via hole oil covering, 1.6MM thick, one ounce copper thick plate, the toggle switch is SS-12F23 single-row bent pin two-side/sliding toggle switch, the Schottky diode is a direct-insert type 1N5819 rectifier type diode, the voltage stabilizing chip is AMS1117-3.3V SOT-23 voltage stabilizing chip, the return button S1 and the key switches S2-S5 are the same model number of 6MM 20MM soft touch key switch, the singlechip is STC89C52RC-40I-LQFP44 patch singlechip, the resistors R2-R4 and R19-R22 are the same model number of 5 color ring 1/4W straight-insert type 1K ohm resistor, the power connector is KF2510/2P bent needle connector, the resistors R1 and R13-R118 are the same model number of 5W 1/4K ohm resistors, the data download interface is an XH2.54-4AW bent pin 4P data download interface, the triodes Q1-Q4 are PNP knot patch triodes with the same model number of S8550, the sound receiving module is an RDA5807M RRD102V2.0 stereo sound receiving module, the crystal oscillator is a 12M direct-insert 49S passive crystal oscillator, ceramic chip capacitors C6 and C7, c10, C11 and C14 are 1040.1 UF 100NF 50V ceramic capacitors of the same model, ceramic capacitors C4 and C5 are 22PF 50V 22P ceramic capacitors of the same model, the audio amplification chip is PAM8403 SOP-163W unfiltered stereo audio amplification chip, the power indicator light is a 5MM red straight-insert light emitting diode, the nixie tube is a 0.36 inch 4 bit integrated common-positive red highlight nixie tube, the signal connection interface is a XH2.54MM 2P bent pin signal connector, the signal antenna is an HG telescopic pull rod antenna, the speaker is a 40MM 0.5W 8 ohm speaker, and the battery box is a No. 5 battery box with 3 sections.

The single chip microcomputer is an STC89C52RC-40I-LQFP44G patch single chip microcomputer, the CMOS8 bit micro-controller is provided with an 8K byte system programmable Flash memory, low power consumption and high performance, the radio module RDA5807M RRD102V2.0 has the function of receiving FM waveband radio, the radio wave is received by a signal antenna and then processed by the single chip microcomputer, and different key switches are used for realizing the switching of radio stations in different frequency bands.

Compared with the prior art, the invention has the following beneficial effects: the electronic component has the advantages of novel principle, unique configuration, short debugging time, high flexibility, repeated disassembly of the electronic component, very wide commercial prospect, capability of filling up the blank of the related technology and capability of generating great social benefit and economic benefit.

Drawings

Fig. 1 is a front view (main structure) of an electronic fm radio teaching aid for children intelligence development.

Fig. 2 is the back (main structure) of an electronic fm radio teaching aid for children intelligence development.

Fig. 3 is an electronic fm radio teaching aid for children's intelligence development (without a top plate).

Fig. 4 is an electronic fm radio teaching aid (including a top plate) for children intelligence development.

In FIGS. 1-4:

1. a base plate; 2. nylon column 3 x 24MM bi-pass; 3. A PCB board;

4. a key switch; 5. A resistance; 6. A capacitor 104;

7. a radio module; 8. A power supply connector; 9. A voltage stabilization chip;

10. a toggle switch; 11. A Schottky diode; 12. An electrolytic capacitor;

13. a ceramic chip capacitor; 14. A reply key; 15. A power indicator light;

16. a signal antenna; 17. A capacitor 103; 18. An audio amplification chip;

19. crystal oscillation; 20. A speaker; 21. A nixie tube;

22. a signal connector; 23. A data download interface; 24. A single chip microcomputer;

25. a triode; 26. Short side plates; 27. A battery case;

28. nylon column 3 × 18+6 MM; 29. A long side plate; 30. Machine thread screw M3 × 6 MM;

31. a top plate.

Detailed Description

Embodiments of the present invention will be described with reference to the accompanying drawings, and the present invention will be described in detail below with reference to fig. 1 to 4. An electronic frequency modulation radio children intelligence-benefiting teaching aid comprises a bottom plate 1, a nylon column nut thread double-way 2, a PCB 3, a key switch 4, a resistor 5, a capacitor 1046, a radio module 7, a power supply connector 8, a voltage stabilizing chip 9, a toggle switch 10, a Schottky diode 11, an electrolytic capacitor 12, a ceramic chip capacitor 13, a return key 14, a power indicator lamp 15, a signal antenna 16, a capacitor 10317, an audio amplification chip 18, a crystal oscillator 19, a loudspeaker 20, a nixie tube 21, a signal connector 22, a data downloading interface 23, a single chip microcomputer 24, a triode 25, a short side plate 26, a battery box 27, a nylon column screw 28, a long side plate 29, a machine tooth screw M3 MM 30 and a top plate 31.

Be provided with 4 on the PCB board 3 and connect the round hole, PCB board 3 is through 4 nylon posts 3X 24MM bi-pass 2 fixed connection on bottom plate 1, be provided with rectangle interface recess on the bottom plate 1, long side board 29 and short side board 26 are each 2, long side board 29 and short side board 26 are directly gone into the interface recess that corresponds on the bottom plate 1 through the bulge that corresponds, it fastens with roof 31 mutually through 4 nylon posts 3X 18+6MM on the PCB board 3, be provided with rectangle interface recess on the roof 31, roof 31 is gone into the bulge that long side board 29 and short side board 26 correspond through the interface recess card that corresponds, short side board, long side board, roof and bottom plate are transparent acrylic material.

The front surface of the PCB 3 is provided with a toggle switch 10, the left side of the toggle switch 10 is provided with a Schottky diode 11 and a voltage stabilizing chip 9, a return key 14 is arranged above the toggle switch 10, the front surface of the PCB 3 is centrally provided with a singlechip 24, the upper part, the left side and the lower part of the singlechip 24 are provided with resistors 5, the front surface of the PCB 3 is provided with a power connector 8, the left side of the power connector 8 is provided with 4 key switches 4, the front surface of the PCB 3 is provided with a data downloading interface 23, the lower part of the data downloading interface 23 is provided with 4 triodes 25, the front surface of the PCB 3 is provided with a radio module 7, the left side of the radio module 7 is provided with a crystal oscillator 19, the upper part and the left side of the radio module 7 are provided with ceramic chip capacitors 13, the front surface of the PCB 3 is provided with an audio amplification chip 18, the front surface of the PCB 3 is provided with a ni, the speaker 20 is disposed centrally in front of the PCB 3, and the battery case 27 is disposed centrally on the rear surface of the PCB 3.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all modifications, alterations, and equivalents of the above embodiments according to the principles of the present invention are within the scope of the present invention.

Claims

1. An electronic frequency modulation radio child intelligence-developing teaching aid is characterized in that a PCB is provided with 4 connecting round holes, the front surface of the PCB is fixedly connected to a bottom plate and a top plate through 4 screw nylon columns and 4 nut-threaded bi-pass nylon columns on the reverse surface of the PCB, rectangular interface grooves are formed in the bottom plate and the top plate, 2 long side plates and 2 short side plates are respectively arranged, the long side plates and the short side plates are clamped into the corresponding interface grooves in the bottom plate and the top plate through corresponding convex parts, the bottom plate and the top plate are made of transparent acrylic materials, 4 round hole positions are reserved at the corresponding positions respectively, and the bottom plate and the top plate are respectively fixed with the nylon columns through 4 screws;

a circular hole buckle welding female seat is arranged in advance at a corresponding position on a PCB where an electronic element needs to be arranged, a buckle in an inserting hole of the welding female seat is in a reed form, the electronic element does not need to be fixedly welded on the PCB, and the electronic element can be detachably and directly inserted into a circular hole of the welding female seat;

a toggle switch is arranged on the front surface of the PCB, a Schottky diode and a voltage stabilizing chip are arranged on the left side of the toggle switch, a return key S1 is arranged above the toggle switch, a single chip microcomputer is arranged in the middle of the front surface of the PCB, resistors R19-R22 are arranged on the left side of the single chip microcomputer, resistors R3-R11 are arranged above the single chip microcomputer, a power supply connector is arranged on the front surface of the PCB, key switches S2-S5 and resistors R13-R16 are arranged on the left side of the power supply connector, a data downloading interface is arranged on the front surface of the PCB, triodes Q1-Q4 are arranged below the data downloading interface, a sound receiving module is arranged on the front surface of the PCB, a crystal oscillator is arranged on the left side of the sound receiving module, ceramic chip capacitors C6, C7, C10, C11 and C14 are arranged on the upper side of the sound receiving module, ceramic chip capacitors C4 and C5 are arranged on the left side of the sound receiving module, an audio amplifying chip is arranged on, a nixie tube is arranged on the front surface of the PCB, a signal connector is arranged on the left side of the nixie tube, and a power indicator light and a signal antenna are arranged on the right side of the nixie tube;

a loudspeaker is arranged in the central position in front of the PCB;

a battery box is arranged in the center of the back surface of the PCB;