CN211375968U

CN211375968U - Children intelligence-developing teaching aid with electronic calculator

Info

Publication number: CN211375968U
Application number: CN202020049185.6U
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: 2020-08-28
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses an electronic calculator children educational teaching aid, which is characterized in that the electronic calculator children educational teaching aid is provided with 4 connecting round holes on a PCB, the front side of the PCB is fixedly connected on a bottom plate and a top plate through 4 screw nylon columns and 4 nut-threaded bi-pass nylon columns on the reverse side 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, the long side plates and the short side plates are directly 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 4 screws nylon columns, the beneficial effects are that the design principle is novel, the structure is unique, the debugging is convenient, the teaching aid is entertainment in entertainment, has very wide commercial prospect, and can fill up related technical blanks, but also can generate larger social benefit and economic benefit.

Description

Children intelligence-developing teaching aid with electronic calculator

Technical Field

The invention relates to the field of electronic teaching aids, in particular to an electronic calculator 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 calculator children intelligence development 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 development 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 children intelligence-developing teaching aid with the electronic calculator, which has unique principle, breaks through the conventional technical scheme, has novel conception, flexible design, simple assembly and good training effect, and can realize the debugging, plugging and unplugging of components and parts of a student on the training site and the strengthening of the teaching effect.

The utility model provides an electronic calculator children educational teaching aid, be provided with 4 connection round holes on its characterized in that PCB board, 4 nut line bi-pass nylon posts fixed connection are on bottom plate and roof through 4 screw-on nylon posts and PCB board reverse side on the PCB board, be provided with the interface recess of particular shape on the bottom plate, long curb plate and short curb plate are each 2, long curb plate and short curb plate are through the direct card of the bulge that corresponds to go into the interface recess that corresponds on the bottom plate, be provided with the interface recess of particular shape on the roof, the roof is through the direct card of the interface recess that corresponds to go into the bulge that long curb plate and short curb plate correspond, roof and bottom plate are transparent inferior gram force material and leave 4 round hole positions in the position that corresponds separately, panel and bottom plate respectively use 4 screw-on 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.

A toggle switch S17 is arranged on the front face of the PCB, a Schottky diode F1 and 16 key switches S1-S16 are arranged on the left of the toggle switch S17, a potentiometer RP2 is arranged on the front face of the PCB, a resistor R1 and a resistor R2 are arranged above the potentiometer RP2, a key switch S18 is arranged below the potentiometer RP2, a power supply connector BT1 is arranged on the front face of the PCB, a data downloading interface J1 is arranged above the power supply connector BT1, a single chip microcomputer U2 is arranged on the front face of the PCB, an exclusion RP1 and a bus are arranged above the single chip microcomputer U2, a display screen U1 is arranged between the upper part of the single chip microcomputer U2 and the top plate, a crystal oscillator Y1 is arranged on the front face of the PCB, ceramic chip capacitors C2 and C2 are arranged above the crystal oscillator Y1, a power indicator lamp D2 is arranged on the front face of the PCB, and an electrolytic capacitor C2 is arranged above the power indicator.

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

The toggle switch S17 is a SS-12F23 single-row bent pin two-gear side face/sliding toggle switch, the Schottky diode F1 is a direct-plug-type 1N5819 rectifying diode, the 16 key switches S1-S16 are identical models of 6MM 20MM soft touch 4-pin switches, the potentiometer RP2 is an RV09 type 10K vertical potentiometer, the resistor R1 is a 5-color ring 1/4W direct plug 10K ohm resistor, the resistor R2 is a 5-color ring 1/4W direct plug 10K ohm resistor, the key switch S18 is a 6MM 20 soft touch 4-pin switch, the power connector BT1 is a bent pin KF2510/2P bent pin connector, the data download interface J1 is an XH2.54-4AW bent pin 4P connection data download interface, the singlechip U2 is an LSTC 8952-40I-40P patch 5844, the data download interface J1 is an XH 2.54-4P bus plug-type female pin plug-type USB plug type USB socket, the singlechip U39, the display screen U1 is a LCD1602 LCD with backlight, the crystal oscillator Y1 is a 12M passive 49S direct-insert crystal oscillator, the ceramic chip capacitors C2 and C3 are 22PF50V direct-insert ceramic chip capacitors of the same model, the power indicator lamp D1 is a 5MM red direct-insert light-emitting diode, the electrolytic capacitor C1 is a 6MM x 5MM patch electrolytic capacitor with an electrolytic capacitor of 10UF/16V, and the battery box is a No. 3 battery box with 5 battery boxes.

The singlechip is a CMOS 8-bit microcontroller with STC89C52RC-40I-LQFP44G, 8 Kbyte system programmable Flash memory, low power consumption and high performance, a compiled source code is burnt into the singlechip through a data downloading interface, different keys present different functions through key switches S1-S16, simple arithmetic is calculated from 0-9 digital keys and addition, subtraction, multiplication and division 4 keys, a calculation result is obtained through a (equal to) number key switch, and a reset key S18 is used for clearing previous calculation traces and performing next calculation.

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 and very wide commercial prospect, and can fill up the blank of the related technology and generate great social and economic benefits.

Drawings

Fig. 1 is a front view of a children intelligence-developing teaching aid with an electronic calculator (the main structure does not include a display screen).

Fig. 2 is the front side of the children intelligence-developing teaching aid with an electronic calculator (the main structure includes a display screen).

Fig. 3 is a back side (main structure) of the children intelligence-developing teaching aid of the electronic calculator.

Fig. 4 is an electronic calculator teaching aid for children's intelligence development (without a top plate).

Fig. 5 is a children intelligence-developing teaching aid (including a top plate) of the electronic calculator.

In FIGS. 1-5:

1. a base plate; 2. The nylon column nut thread is double-pass; 3. A PCB board;

4. a key switch; 5. A Schottky diode; 6. A toggle switch;

7. a potentiometer; 8. A power indicator light; 9. An electrolytic capacitor;

10. a resistance; 11. Crystal oscillation; 12. A ceramic chip capacitor;

13. mother arrangement; 14. Exclusion; 15. A single chip microcomputer;

16. a data download interface; 17. A power supply connector; 18. Short side plates;

19. a display screen; 20. A battery case; 21. Nylon post screw threads;

22. a long side plate; 23. Machine thread screw M3 × 6 MM; 24. 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 5. The utility model provides a teaching aid that children benefit intelligence of electron calculator, includes bottom plate 1, nylon post nut line bi-pass 2, PCB board 3, key switch 4, schottky diode 5, toggle switch 6, potentiometre 7, power indicator 8, electrolytic capacitor 9, resistance 10, crystal oscillator 11, ceramic chip electric capacity 12, arrange female 13, exclusion 14, singlechip 15, data download interface 16, power connector 17, short side plate 18, display screen 19, battery case 20, nylon post screw line 21, long side plate 22, machine tooth screw M3 6MM 23, roof 24.

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 the interface recess of specific shape on the bottom plate 1, long side board 22 and short side board 18 are each 2, long side board 22 and short side board 18 are through the corresponding bulge direct card income corresponding interface recess on the bottom plate 1, through 4 nylon posts 3X 18+6MM and roof 24 fastening on the PCB board 3, be provided with the interface recess of specific shape on the roof 24, roof 24 is through the direct card income of the interface recess that corresponds long side board 22 and the corresponding bulge of short side board 18, short side board, long side board, roof and bottom plate are transparent ya keli material.

A toggle switch 6 is arranged on the front surface of the PCB 3, a Schottky diode 5 and 16 key switches 4 with the same model are arranged on the left of the toggle switch 6, a potentiometer 7 is arranged on the front surface of the

PCB

3, 2 resistors 10 are arranged above the potentiometer 7, a key switch 4 is arranged below the potentiometer 7, a power connector 17 is arranged on the front surface of the PCB 3, a data downloading interface 16 is arranged above the power connector 17, a singlechip 15 is arranged on the front surface of the PCB 3, a resistor pack 14 and a capacitor pack 13 are arranged above the singlechip 15, a display screen 19 is arranged between the top plate and the singlechip 15, a crystal oscillator 11 is arranged on the front surface of the

PCB

3, 2 ceramic chip capacitors 12 of the same type are arranged above the crystal oscillator 11, a power indicator light 8 is arranged on the front surface of the PCB 3, an electrolytic capacitor 9 is arranged above the power indicator light 8, and a battery box 20 is arranged in the middle of the back 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. A children intelligence-developing teaching aid with an electronic calculator 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 directly 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 of the bottom plate and the top plate, and the top plate and the bottom 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 S17 is arranged on the front surface of the PCB, a Schottky diode F1 and 16 key switches S1-S16 are arranged on the left of the toggle switch S17, a potentiometer RP2 is arranged on the front surface of the PCB, a resistor R1 and a resistor R2 are arranged above the potentiometer RP2, a key switch S18 is arranged below the potentiometer RP2, a power supply connector BT1 is arranged on the front surface of the PCB, a data downloading interface J1 is arranged above the power supply connector BT1, a singlechip U2 is arranged on the front surface of the PCB, a resistor RP1 and a bus bar are arranged above the singlechip U2, a display screen U1 is arranged between the upper part of the singlechip U2 and the top plate, a crystal oscillator Y1 is arranged on the front surface of the PCB, capacitors C2 and C3 are arranged above the crystal oscillator Y1, a power indicator lamp D1 is arranged on the front surface of the PCB, and an electrolytic capacitor C1 is arranged above the power indicator lamp D1;

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