CN201063214Y

CN201063214Y - Electronic building block for electricity demonstration

Info

Publication number: CN201063214Y
Application number: CNU2007201562868U
Authority: CN
Inventors: 李健; 陈建芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-06
Filing date: 2007-07-06
Publication date: 2008-05-21
Anticipated expiration: 2017-07-06

Abstract

The utility model relates to an electrics demonstration electronic building block consisting of an insulated shell body 1, conducting male and female buttons 2 and a control circuit board 3 arranged in the insulated shell body 1; the utility model is characterized in that a signal input circuit, a pulse/counting sharing circuit, a LED optical circuit, a decade power amplification circuit and a binary power amplification circuit in electric connection according to mutual sequence are arranged on the control circuit board 3; the conducting male and female buttons 2 arranged on the insulated shell 1 are at least three sets of metal male buttons and metal female buttons in pairing configuration and in electric connection and are in electric connection with the control circuit board 3 through connecting lead 9. Children can use the utility model to match other electronic building blocks and assembly a common fundamental circuit conveniently and rapidly; the utility model can also demonstrate the electrics demonstration circuit of the common electrics phenomenon in the physics teaching, thereby achieving the aim of improving the interests of children and cultivating electrics knowledge education.

Description

A kind of electricity demonstration electronic building blocks piece

Technical field

The utility model relates to a kind of electronic building blocks piece in the teaching aid toy field, especially a kind of electronic building blocks piece that can carry out the electricity demonstration.

Background technology

At present, people often use multiple teaching aid toy, for example electronic building blocks for from the little intelligence of just developing child.It is made of many electronic building blocks pieces, comprises multiple electronic building blocks pieces such as battery, resistance, electric capacity, light emitting diode, triode, lead bar, news Chinese percussion instrument, infrared receiving terminal.When child is at play, can contrast the circuit diagram in the instructions, the circuit of multiple function is built or be assembled into to the electronic building blocks piece, make child conscious and notion of just having set up electricity and circuit unconsciously in amusement, for the later education of science and technology of child has been laid basis preferably.But this electronic building blocks is simpler, can not carry out electrical phenomena demonstration common in the physics teaching, thereby lose important electricity aims of education.

Summary of the invention

The purpose of this utility model, be in order to overcome above-mentioned deficiency of the prior art, provide and can build or the common tandem circuit of assembly unit, again can teaching demonstration in a kind of electricity demonstration electronic building blocks piece of common electrical phenomena, thereby reach the purpose that improves children's interest, cultivates electricity knowledge education.

The purpose of this utility model is achieved in that a kind of electricity demonstration of design electronic building blocks piece, by insulation shell, conduction double buckle and place the control circuit board in the insulation shell to form, the signal input circuit that mutual order is electrically connected is installed on the described control circuit board, pulse/counting distributor circuit, LED light shows circuit, decimal system power amplifier and scale-of-two power amplifier, the conduction double buckle is installed on the insulation shell, be the above configurations in pairs of at least three groups, and mutual metal sublayer button and the metal box that is electrically connected, and be electrically connected mutually with control circuit board by connecting lead.

The purpose of this utility model also can be achieved through the following technical solutions: the input end of integrated circuit LC1 is electrically connected with conduction double buckle in the signal input circuit mutually by lead in described pulse/counting distributor circuit, output terminal Y0～Y9 of LC1 is electrically connected with LED0～LED9 in the LED display circuit respectively, LED1,3,5,7,9 negative pole are connected with the conduction double buckle by resistance; The collector of triode BG1 is connected with the conduction double buckle in the described decimal system power amplifier; The positive source of the collector of triode BG2, emitter, control circuit board, negative pole are connected with the conduction double buckle respectively in the described scale-of-two power amplifier.

After adopting said structure, children can use the utility model to cooperate other electronic building blocks piece, can build or the common tandem circuit of assembly unit, can demonstrate electrical phenomena common in the physics teaching again, thereby reach the purpose that improves children's interest, cultivates electricity knowledge education.

In addition, the utility model also adopts the conduction double buckle to realize that circuit connects, and has the high-temperature soldering of need not, circuit connects reliable advantage, and assembly unit quickly and easily goes out multiple have novelty, practicality, interesting electricity illustrative circuitry.

Description of drawings

The utility model has 5 accompanying drawings, wherein:

Fig. 1 is a kind of surface structure synoptic diagram of the present utility model;

Fig. 2 is the basic structure synoptic diagram of Fig. 1;

Fig. 3 is circuit theory diagrams of the present utility model;

Fig. 4 is the assembly unit circuit diagram of the utility model embodiment 1;

Fig. 5 is the assembly unit circuit diagram of the utility model embodiment 2;

Embodiment

Below in conjunction with drawings and Examples the utility model is described in further details:

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, embodiment 1 is a alternating electric field electricity illustrative circuitry, is made up of electricity demonstration electronic building blocks piece, power supply electronic building block 11, switch electronic building block 12, news Chinese percussion instrument electronic building blocks piece 13, light emitting diode electronic building blocks piece 14 and lead electronic building blocks piece 15.Wherein, electricity demonstration electronic building blocks piece is by insulation shell 1, conduction double buckle 2 and place the control circuit board 3 in the insulation shell 1 to be formed, and signal input circuit 4, pulse/counting distributor circuit 5, LED light apparent circuit 6, decimal system power amplifier 7 and scale-of-two power amplifier 8 that mutual order is electrically connected are installed on the control circuit board 3.Conduction double buckle 2 is installed on the insulation shell 1, is above configuration in pairs of at least three groups and mutual metal sublayer button and the metal box that is electrically connected, and is electrically connected mutually with control circuit board 3 by connecting lead 9.

Integrated circuit LC1 adopts CD4017 in pulse/counting distributor circuit 5, and its input end is electrically connected with conduction double buckle 2-1 in the signal input circuit 4 mutually by lead 10; Output terminal Y0～Y9 of LC1 is electrically connected with LED0～LED9 in the LED display circuit 6 respectively, and LED1,3,5,7,9 negative pole are connected with conduction double buckle 2-3 by resistance R 2;

The collector of triode BG1 is connected with conduction double buckle 2-5 in the decimal system power amplifier 7; The collector of triode BG2, emitter in the scale-of-two power amplifier 8 are connected with conduction double buckle 2-6,2-4 respectively; The positive source of control circuit board 3, negative pole are connected with conduction double buckle 2-7,2-2 respectively; LED 0～LED9, equidistant being arranged on the insulation shell 1, its pin is installed on the control circuit board 3 that places in the insulation shell 1; In addition, on the insulation shell 1, also be printed with label symbol and the power positive cathode symbol of LED 0～LED9.

After the good alternating electric field electricity of Fig. 4 assembly unit illustrative circuitry, the positive pole of power supply electronic building block 11 is by lead electronic building blocks piece 15, be connected with the positive source conduction double buckle 2-7 of electricity demonstration electronic building blocks piece, negative pole is connected with conduction double buckle 2-2,2-3, the 2-4 of electricity demonstration electronic building blocks piece by switch electronic building block 12, lead electronic building blocks piece 15.

During demonstration, switch on the switch electronic building block 12 is allocated to " ON " shelves, circuit is started working, the signal inductor S that is made up of lead electronic building blocks piece 15 is as distance alternating current wires, household electrical appliance, switch, socket etc. when far away, a little less than the electric field pole around the signal inductor S, can't trigger the LC1 numeration, the electrify restoration circuit of being made up of capacitor C 1, resistance R 1 resets the LC1 zero clearing, has only Y0 output high level, and only LED0 is bright; When circuit is shifted near, the alternating electric field signal grow that signal inductor S senses, and by the LC1 numeration in conduction double buckle 2-1, the lead 10 trigger pulses/counting distributor circuit 5, Y0～Y9 end is circulation output high level successively, and LED 0～LED9 is lighted successively in turn.

When numeration is circulated to Y9, the triode BG1 conducting in the decimal system power amplifier 7, the light emitting diode electronic building blocks piece 14 that is connected positive source and BG1 inter-collector is lighted; Whenever numeration is circulated to Y0,2,4,6, at 8 o'clock, the triode BG2 conducting in the scale-of-two power amplifier 8, news Chinese percussion instrument electronic building blocks piece 13 sends the ticking of news Chinese percussion instrument, can further strengthen the sound and light program of demonstration.

In addition, use the object of static electrification or directly use hand touch signal inductor S, present embodiment also can be demonstrated the electrical phenomena that static triggers.

As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 5, embodiment 2 is electricity illustrative circuitry of a receiving infrared-ray signal, is made up of electricity demonstration electronic building blocks piece, power supply electronic building block 11, switch electronic building block 12, news Chinese percussion instrument electronic building blocks piece 13, light emitting diode electronic building blocks piece 14, lead electronic building blocks piece 15, infrared ray reception electronic building blocks piece 16 and electric capacity electronic building blocks piece 18.During demonstration, the switch on the switch electronic building block 12 is allocated to " ON " shelves, circuit is started working, and the LC1 zero clearing resets; When pressing normal domestic use telepilot such as colour TV telepilot, the infra-red remote control pulse signal of emission, the infrared receiving terminal 17 that is received on the electronic building blocks piece 16 by infrared ray receives, LC1 numeration in trigger pulse/counting distributor circuit 5, Y0～Y9 end is circulation output high level successively, and LED 0～LED9 is lighted successively in turn; Decimal system power amplifier 7, scale-of-two power amplifier 8 trigger light emitting diode electronic building blocks piece 14 Homeway.com Chinese percussion instrument electronic building blocks pieces 13 respectively by embodiment 1 is described, thereby illustrative circuitry has received infrared remote control signal really.

Strengthen as electric capacity the electric capacity electronic building blocks piece 18 in the circuit, then whenever by a telepilot, scale-of-two power amplifier 8 changes the state of a conducting or shutoff, become a infrared telecontrol switch circuit, change news Chinese percussion instrument electronic building blocks piece 13 the electronic building blocks piece of bulb, small machine or Music Clip into, then can realize opening, stop and the broadcast of music of little electric light of infrared remote control and small machine.

In addition, the utility model cooperates other electronic building blocks piece, also can realize demonstrating such as direction of current flow; Capacitor for charging and discharging demonstration; The light sensitive characteristic demonstration; The demonstration of multiple electrophysics phenomenons such as sensitive characteristic demonstration, and can form entertaining contest, the amusement circuit that multiple children like.

As known by the technical knowledge, the utility model can realize that therefore above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only by other embodiment that does not break away from its spirit or essential feature.All are in the utility model scope or be equal to change in the utility model scope, all are included in the utility model.

Claims

1. an electricity is demonstrated the electronic building blocks piece, by insulation shell (1), conduction double buckle (2) and place the control circuit board (3) in the insulation shell (1) to form, it is characterized in that being equipped with on the described control circuit board (3) signal input circuit (4) that mutual order is electrically connected, pulse/counting distributor circuit (5), LED light shows circuit (6), decimal system power amplifier (7) and scale-of-two power amplifier (8), described conduction double buckle (2) is installed on the insulation shell (1), be the above configurations in pairs of at least three groups, and mutual metal sublayer button and the metal box that is electrically connected, and be electrically connected mutually with control circuit board (3) by connecting lead (9).

2. a kind of electricity demonstration electronic building blocks piece as claimed in claim 1, the input end that it is characterized in that integrated circuit LC1 in described pulse/counting distributor circuit (5) is electrically connected with conduction double buckle (2-1) in the signal input circuit (4) mutually by lead (10), output terminal Y0～Y9 of LC1 is electrically connected with LED0～LED9 in the LED display circuit (6) respectively, LED1,3,5,7,9 negative pole are connected with conduction double buckle (2-3) by resistance R 2.

3. a kind of electricity demonstration electronic building blocks piece as claimed in claim 1 is characterized in that the collector of triode BG1 in the described decimal system power amplifier (7) is connected with conduction double buckle (2-5); Collector, the emitter of triode BG2 in the described scale-of-two power amplifier (8) are connected with conduction double buckle (2-6), (2-4) respectively.

4. a kind of electricity demonstration electronic building blocks piece as claimed in claim 1 is characterized in that the positive source of described control circuit board (3), negative pole are connected with conduction double buckle (2-7), (2-2) respectively.

5. a kind of electricity demonstration electronic building blocks piece as claimed in claim 2, it is characterized in that described LED light shows the LED 0～LED9 in the circuit (6), equidistant being arranged on the insulation shell (1), its pin are installed on the control circuit board (3) that places in the insulation shell (1).

6. a kind of electricity demonstration electronic building blocks piece as claimed in claim 1 is characterized in that on the described insulation shell (1), also is printed with label symbol and power positive cathode symbol that LED light shows the LED 0～LED9 in the circuit (6).