CN211455037U

CN211455037U - Electronic ultrasonic range finder teaching aid for children intelligence development

Info

Publication number: CN211455037U
Application number: CN201922302083.0U
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: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-08
Anticipated expiration: 2029-12-19

Abstract

The invention discloses an electronic ultrasonic range finder educational teaching aid for children, 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, interface grooves with specific shapes 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 directly clamped into the corresponding interface grooves on the bottom plate and the top plate through corresponding convex parts, the top plate and the bottom plate are made of transparent acrylic materials, 4 round hole positions are reserved at the corresponding positions respectively, the top plate and the bottom plate are respectively fixed with 4 nylon columns with screws, the beneficial effects are that the design principle is novel, the structure is unique, the debugging is convenient, the teaching aid of teaching is based on entertainment, has very wide commercial prospect, and can fill up related technical blanks, but also can generate larger social benefit and economic benefit.

Description

Electronic ultrasonic range finder teaching aid for children intelligence development

Technical Field

The invention relates to the field of electronic teaching aids, in particular to a children intelligence-developing teaching aid with an electronic ultrasonic range finder.

Background

The method is based on various electronic teaching aids, develops creativity and creates a brainstorming as an education purpose, introduces innovation in thinking, develops the ability of developing children by creating an education idea in action, and adopts a teaching mode of 'playing middle school, learning middle school and thinking in joy', which is different from the method for quantifying the evaluation of the children by scores in the traditional teaching.

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 modern high-flexibility pluggable modular electronic teaching aid is rarely seen.

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 a children intelligence-developing teaching aid of an electronic ultrasonic range finder, which has the advantages of low cost, novel scheme, unique configuration, novel principle, high flexibility, short debugging time, capability of repeatedly assembling electronic devices on site, capability of meeting the actual requirements of children intelligence-developing training, capability of filling up the blank of related technologies and capability of generating great 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 of the electronic ultrasonic range finder, which has unique principle, breaks through the conventional technical scheme, has novel conception, flexible design, simple assembly and good training effect, and can realize debugging, plugging and unplugging of components and parts by a student on the training site and strengthening of the teaching effect.

A children intelligence-benefiting teaching aid of an electronic ultrasonic range finder is characterized in that a PCB is provided with 4 connecting circular holes, 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 nut-threaded bi-pass nylon columns on the reverse surface of the PCB, the bottom plate is provided with interface grooves in a specific shape, 2 long side plates and 2 short side plates are respectively arranged on the bottom plate, the long side plates and the short side plates are directly clamped into corresponding interface grooves on the bottom plate through corresponding convex parts, the top plate is provided with interface grooves in a specific shape, the top plate is directly clamped into corresponding convex parts of the long side plates and the short side plates through corresponding interface grooves, the top plate and the bottom plate are made of transparent acrylic materials, 4 circular hole positions are reserved at the corresponding positions, and the panel 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;

the front surface of the PCB is provided with a toggle switch, a Schottky diode and a data downloading interface are arranged above the toggle switch, the front surface of the PCB is provided with a power supply connector, a patch electrolytic capacitor and a power supply indicator light red light emitting diode are arranged above the power supply connector, the front surface of the PCB is provided with a singlechip for storing and processing source codes, 2 ceramic chip capacitors and a crystal oscillator are arranged below the singlechip, the front surface of the PCB is provided with a nixie tube, 4 triodes are arranged on the right side of the nixie tube, and 9 small resistors, 4 medium resistors and 1 large resistor are arranged on the right side of the triode;

the ultrasonic ranging module is arranged on the back side of the PCB and used for transmitting and receiving ultrasonic waves, and the number battery box is arranged in the center of the back side of the PCB;

the toggle switch is an SS-12F23 single-row bent pin two-gear side face/sliding type toggle switch, the Schottky diode is a direct insertion type 1N5819 rectifier type diode, the data download interface is an XH2.54-4AW bent pin 4P wiring terminal, the power supply connector is a bent pin KF2510 connector, the electric connection capacitor is a 6 x 5MM patch electrolytic capacitor with the size of 10UF/16v, the power supply indicator lamp is a 5MM red light emitting direct insertion LED, the singlechip is an STC89C52RC-40I-LQFP44G patch singlechip, the ceramic capacitor is a 20PF50V direct insertion ceramic chip capacitor, the crystal oscillator is a 12M direct insertion passive crystal oscillator, the nixie tube is a 0.56 inch 4-bit red belt clock point common anode nixie tube, the triode is an S9012PNP packaging triode, the 9 small resistor is a 5 color ring 1/4W direct insertion 1K ohm, and the 4 medium resistors are 5 color rings 1/4W direct insertion 2K ohm resistors, 1 big resistance is 5 look ring 1/4W cut-in 10K ohm resistance directly, and the ultrasonic ranging module is HC-SR04 ultrasonic ranging module, and the battery case is 3 No. 5 battery cases.

The single chip microcomputer is a CMOS 8-bit microcontroller with STC89C52RC, 8K byte system programmable Flash memory, low power consumption and high performance, the ultrasonic module is HC-SR304 and also comprises a transmitting and receiving ultrasonic precise distance measuring module, when the power supply is switched on, a transmitting part in the ultrasonic module transmits ultrasonic waves to a certain direction, timing is started at the same time of transmitting time, the ultrasonic waves propagate in the air and return immediately when encountering an obstacle in the process, the ultrasonic receiver stops timing immediately after receiving reflected waves, the measured distance is displayed on a digital tube, the propagation speed of the ultrasonic waves in the air is 340M/S, and the distance (S) between a transmitting point and the obstacle can be calculated according to the time recorded by the timer as T.

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 side (main structure) of a children intelligence-developing teaching aid of an electronic ultrasonic range finder.

Fig. 2 is the back (main structure) of the children intelligence-developing teaching aid of the electronic ultrasonic range finder.

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

Fig. 4 is a teaching aid for children intelligence development (including a top plate) of the electronic ultrasonic range finder.

In FIGS. 1-4:

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

4. a nixie tube; 5. A resistance; 6. Crystal oscillation;

7. a power supply connector; 8. A toggle switch; 9. An electrolytic capacitor;

10. a Schottky diode; 11. A data download interface; 12. A power indicator light;

13. a single chip microcomputer; 14. A ceramic chip capacitor; 15. A long side plate;

16. a patch triode; 17. An ultrasonic ranging module; 18. A battery case;

19. nylon post screw threads; 20. Short side plates; 21. 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. The utility model provides an electron ultrasonic wave distancer children educational teaching aid, includes bottom plate 1, nylon column nut line bi-pass 2, PCB board 3, charactron 4, resistance 5, crystal oscillator 6, power connector 7, toggle switch 8, electrolytic capacitor 9, schottky diode 10, data download interface 11, power indicator 12, singlechip 13, ceramic chip electric capacity 14, long side plate 15, paster triode 16, ultrasonic ranging 17, battery case 18, nylon column screw line 19, short curb plate 20, roof 21.

Be provided with 4 connection round holes on PCB board 3, PCB board 3 is on bottom plate 1 through 4 nylon post nut lines 2 fixed connection, be provided with the interface recess of specific shape on the bottom plate 1, long side board 15 and short side board 20 are 2 respectively, long side board 15 and short side board 20 are gone into the interface recess that corresponds on bottom plate 1 through the protruding part direct card that corresponds, PCB board 3 is on roof 21 through 4 nylon post screw lines 19 fixed connection, be provided with the interface recess of specific shape on roof 21, roof 21 is gone into the protruding part that long side board 15 and short side board 20 correspond through the interface recess direct card that corresponds, short side board, long side board, roof and bottom plate are transparent ya keli material.

The PCB board front side is provided with toggle switch 8, there are schottky diode 10 and data download interface 11 in toggle switch top, the PCB board front side is provided with power connector 7, there are paster electrolytic capacitor 9 and power indicator red emitting diode 12 above power connector, the PCB board front side is provided with 13 uses of singlechip and saves, the source code is handled, there are 2 ceramic chip electric capacity 14 and crystal oscillator 6 below the singlechip, be provided with charactron 4 at the PCB board front side, right-hand 4 triodes 16 that have of charactron, right-hand 14 resistance 5 in the triode, PCB board back side position is provided with ultrasonic ranging module 17, be used for transmission and receiving ultrasonic wave, PCB board back central point puts and is provided with number battery case 18.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all modifications, variations 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 of an electronic ultrasonic range finder 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-threaded nylon columns and 4 nut-threaded bi-pass nylon columns on the reverse surface of the PCB, the bottom plate is provided with interface grooves in a specific shape, 2 long side plates and 2 short side plates are respectively arranged on the bottom plate, the long side plates and the short side plates are directly clamped into corresponding interface grooves on the bottom plate through corresponding convex parts, the top plate is provided with interface grooves in a specific shape, the top plate is directly clamped into corresponding convex parts of the long side plates and the short side plates through corresponding interface grooves, the top plate and the bottom plate reserve 4 round hole positions for transparent acrylic materials at respective corresponding positions, and the top plate and the bottom plate are respectively fixed with 4 screws on the nylon columns;

the front surface of the PCB is provided with a toggle switch, a Schottky diode and a data downloading interface are arranged above the toggle switch, the front surface of the PCB is provided with a power supply connector, a patch electrolytic capacitor and a red light emitting diode of a power supply indicator lamp are arranged above the power supply connector, the front surface of the PCB is provided with a singlechip for storing and processing source codes, 2 ceramic chip capacitors and two crystal oscillators are arranged below the singlechip, the PCB is provided with a nixie tube, the right side of the nixie tube is provided with 4 triodes, and the right side of the triode is provided with 9 small resistors, 4 medium resistors and 1 large resistor;

an ultrasonic ranging module is arranged on the back side of the PCB;

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

the toggle switch is an SS-12F23 single-row bent pin two-gear side face/sliding type toggle switch, the Schottky diode is a direct-insert type 1N5819 rectifier diode, the data download interface is an XH2.54-4AW bent pin 4P wiring terminal, the power supply connector is a bent pin KF2510 connector, the electrolytic capacitor is a 6 x 5MM patch electrolytic capacitor with the size of 10UF/16V, the power supply indicator lamp is a 5MM red light emitting direct-insert light emitting diode, the singlechip is an STC89C52RC-40I-LQFP44G patch singlechip, the ceramic capacitor is a 20PF50V direct-insert ceramic capacitor, the crystal oscillator is a 12M direct-insert passive crystal oscillator, the nixie tube is a 0.56 inch 4-bit red zone clock point common-positive nixie tube, the triode is an S9012PNP packaging triode, the 9 small resistor is a 5 color ring 1/4W direct-insert 1K ohm, the 4 medium resistors are 5 color rings 1/4W direct-insert 2K resistors, and the 1W direct-insert resistor 1/4K ohms, the ultrasonic ranging module is an HC-SR04 ultrasonic ranging module, and the battery box is a No. 5 battery box with 3 sections.