CN2384658Y

CN2384658Y - Electric toy vehicle

Info

Publication number: CN2384658Y
Application number: CN 99219335
Authority: CN
Inventors: 卢增亮
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-08-19
Filing date: 1999-08-19
Publication date: 2000-06-28
Anticipated expiration: 2009-08-19

Abstract

The utility model relates to an electric toy vehicle. A left motor 2 and a right motor 2' are arranged in a vehicle housing, the left motor 2 and the right motor 2' match respectively with a left gearbox 3 and a right gearbox 3, and output shafts of the left gearbox 3 and the right gearbox 3 are respectively combined with a left pedrail 5 and a right pedrail 5'; a control circuit, which is composed of a left photoelectric sensing circuit, a left triggering circuit, a left driving circuit, a right photoelectric sensing circuit, a right triggering circuit and a right driving circuit, is arranged in a cabinet; the left photoelectric sensing circuit is provided with a left emission and reception pair pipe, the right photoelectric sensing circuit is provided with a right emission and reception pair pipe, the left driving circuit is connected with the right motor, and the right driving circuit is connected with the left motor. The toy vehicle can run forward and backward and turns on a color-marked route.

Description

Electric toy car

The utility model belongs to the toy car of tool optics transmitting device.

The electric toy car kind is a lot, but also do not have a kind of like this electric toy car in the prior art, this toy car can " be looked for " route of tool colour code automatically on the ground, and can advance and turn round along this route, to improve the interest that children play, the exploitation children's intelligence.

The purpose of this utility model provides a kind of electric toy car, and this toy car can " be looked for " route of tool colour code on the ground, and can advance and turn round along this route.

The technical solution of the utility model electric toy car is to be provided with battery case, wiring board, motor and transmission mechanism in the car shell, its spy part from the bottom of one's heart is that described motor is left motor and right motor, and described transmission mechanism is made of the left reduction box that cooperates with left motor, the right reduction box that cooperates with right motor, the left-hand rotation moving part that cooperates with left reduction box and the right-hand rotation moving part that cooperates with right reduction box; Described wiring board is provided with control circuit, and this control circuit is made up of left photoelectric sensing circuit, left circuits for triggering, left drive circuit and right photoelectric sensing circuit, right circuits for triggering, right drive circuit; Left side photoelectric sensing circuit is provided with Zuo Fashou to pipe, and right photoelectric sensing circuit is provided with right sending out and receives pipe, and left drive circuit is connected with right motor, and right drive circuit is connected with left motor.

For ease of advancing and turning round, described left-hand rotation moving part is left crawler belt, and right driving member is a right-hand track chiain.

The car shell of the utility model electric toy car can be various,, animal shape humanoid as car shape, tank shape, aircraft shape, machine etc.

The utility model electric toy car is owing to be provided with left motor and right motor, set control circuit comprises a left side, right photoelectric sensing circuit, a left side, right circuits for triggering, a left side, right drive circuit, a left side, right photoelectric sensing circuit all respectively is provided with emission, reception is to pipe, and left drive circuit is controlled right motor, right drive circuit is controlled left motor, so when this electric toy car on ground with colour code route (the dark route in light ground, when playing or dark ground light color route), a left side, right transmitting tube can be simultaneously through ground or the route reflection strong, infrared ray (the strong infrared ray of reflection of light color that weak or the last one one is weak, the weak infrared ray of dark reflection) by a left side, right receiving tube receives, again relatively through circuit, trigger, amplify, drive right, the counter-rotating of left side motor, just changeing or an anti-turn, through the moving left side of ratio wheel frenulum, right driving member (can be crawler belt) rotates, thereby can on route, advance, retreat, turn round, also can retreat on the ground or advance, when arriving (promptly " finding ") colour code route, on this route, advance again.When route turns round, certainly will make the transmitting tube on the left side or the right depart from route earlier and be subjected to ground return, make left and right transmitting tube reflect strong, weak different infrared ray, after receiving tube receives, compare, trigger, amplify through circuit again, drive the other side's motor forward or reverse (the right motor of left circuit drives, the left motor of right circuit drives), realize left and right turning round (left motor reverse right motor just transferring to turn left curved, otherwise it is curved to turn right).This toy car so moves, and can improve children's interest, inspires intelligence.

Below in conjunction with description of drawings embodiment of the present utility model.

Fig. 1 is this electric toy car one plan structure schematic diagram;

Fig. 2 is Fig. 1 electric toy car side-looking structural representation;

Fig. 3 is this electric toy car control circuit schematic diagram.

This electric toy car, be provided with battery case 7 and wiring board 6 in the car shell, and be provided with left motor 2 and right motor 2 ', a left side be combined with on the motor 2 left reduction box 3, right motor 2 ' on be combined with right reduction box 3 ', output shaft 4 on the reduction box 3 of a left side is associated with left crawler belt drive, right reduction box 3 ' on output shaft 4 ' be associated with right-hand track chiain drive 8 ', be combined with left crawler belt 5 on the crawler belt drive of a left side, right-hand track chiain drive 8 ' on be combined with right-hand track chiain 5 ', a left side is combined with left bogie wheel on the crawler belt, be combined with on the right-hand track chiain right bogie wheel 9 '.Described wiring board is provided with control circuit, this control circuit by left photoelectric sensing circuit 1., left circuits for triggering 2., 3. left drive circuit form with right photoelectric sensing circuit, right circuits for triggering, right drive circuit; 1. left side photoelectric sensing circuit is provided with Zuo Fashou to managing 1, right photoelectric sensing circuit be provided with right send out receive to manage 1 ', left drive circuit 3. with right motor 2 ' be connected, right drive circuit is connected with left motor 2.

Left side photoelectric sensing circuit is 1. identical with right photoelectric sensing circuit, and left circuits for triggering are 2. identical with right circuits for triggering, and left drive circuit is 3. identical with right drive circuit; Left side photoelectric sensing circuit 1. establishes resistance R 1 and potentiometer W1 is parallel to power supply, establishes Zuo Fashou pipe IC1 is connected in R1 and W1; 2. left side circuits for triggering establish " 555 " chip IC 2, and its 4 pin, 8 pin connect power positive end, and 1 pin connects power supply negative terminal, and 2 pin connect the contact of IC1 and W1,7 pin and parallel resistance R2 and capacitor C 1 after 6 pin are in parallel, and C1 connects power supply negative terminal, and R2 connects power positive end after meeting potentiometer W2; 3. left side drive circuit establishes triode T1, T2, T3, T4, T5 and T6; The T1 base stage connects 3 pin that connect IC2 after the resistance R 4, and colelctor electrode connects the T5 base stage after connecting resistance R 6, and emitter stage connects the T4 base stage; The T2 base stage connects 3 pin that connect IC2 after the resistance R 3, and colelctor electrode connects the T6 base stage, and emitter stage connects the T3 base stage after connecting resistance R 5; The T3 colelctor electrode connect the T4 current collection extremely contact connect right motor anode, emitter stage connects power positive end; The T4 emitter stage connects power supply negative terminal; The T5 colelctor electrode connect the T6 current collection extremely contact connect right motor negative terminal, emitter stage connects power positive end; The T6 emitter stage connects power supply negative terminal.

From Fig. 3 as seen, IC2 and IC2 ' are connected into typical monostable trigger mode, the stable state time is by W2, W2 ' and C1, C1 ' decision (generally transferring to 0.1 second～0.5 second), the 3 pin output control motor-drive circuit of IC2 and IC2 ', a left side, right photoelectric sensing circuit is controlled the 2 pin triggering levels of IC2 and IC2 ' respectively, a left side, right two infrared receiving tube T, when T ' receives more weak infrared ray, be high-impedance state, this moment, 2 pin of IC2 and IC2 ' were in high level, greater than 1/3Vcc, make the 3 pin output low levels of IC2 and IC2 ', a left side, T2 in the right drive circuit, T6, T3 and T2 ', T6 ', T3 ' conducting, T1, T4, T5 and T1 ', T4 ', T5 ' ends, a left side, right two motors just change, through gear reduction, drive the crawler belt rotation, toy car just advances.When left and right two infrared receiving tubes are received line outside line by force, be low-resistance, this moment, 2 pin of IC2 and IC2 ' were in low level, less than 1/3Vcc, made the 3 pin output high level of IC2 and IC2 ', T1 in the left and right driving circuit, T5, T4 and T1 ', T5 ', T4 ' conducting, T2, T3, T6 and T2 ', T3 ', T6 ' end, and left and right two motors counter-rotating is through gear reduction, the rotation of drive crawler belt, toy car just retreats.Be noted that the motor on the circuit control the right on the left side especially, the motor on the circuit control left side on the right promptly intersects and controls.This is because the needs that turn round, rotate in the same way when advancing at left and right motor, to the route corner, on one side transmitting tube depart from route earlier and be subjected to ground return, anti-of the motor that requires another side this moment just can make toy car turn to rotation.

For example coat the black route on white ground, this toy car is placed in the middle of the route, all facing to route, at this moment the both sides crawler belt just changes to make left and right two photoheads (described receipts are to pipe), and its straight line moves ahead.If when running into route bending left, the photohead on the right leaves route earlier, is subjected to white ground return to go out strong infrared ray, and the 2 pin level of IC2 are dropped to less than 1/3Vcc, make 3 pin output high level, T2, T3, T6 end, T1, T5, T4 conducting, the counter-rotating of left side motor, the right motor continues just to change, it is just turned left, and when right photohead was got back on the route, toy car moved ahead along route again; Otherwise it is just turned right.

Coated white route on black ground and for example is placed on this toy car in the middle of the route, and all facing to route, at this moment the both sides crawler belt reverses to make left and right two photoheads (described receipts are to pipe), and its straight line retreats.If when running into route bending left, the photohead on the right leaves route earlier, is subjected to the black ground return to go out more weak infrared ray, and the 2 pin electrical level rising of IC2 are arrived greater than 1/3Vcc, make 3 pin output low levels, T1, T5, T4 end, T2, T3, T6 conducting, and left side motor just changes, the right motor continues counter-rotating, it is just turned left, and when right photohead was got back on the route, toy car retreated along route again and advances.

This toy car can " be looked for " route on the ground, the reflection of the same colour that is ground moves ahead toy car or retreats, until the route of " touching " another look, at this moment, it just turns left and right by the crawler belt that above-mentioned principle is regulated both sides automatically, and the both sides transmitting tube is all advanced facing to route.

Need to prove: 1, should there be certain difference on route and ground in the face of ultrared albedo; 2, the route width should be more than or equal to the spacing of left and right sensing head; 3, the route bending radius should be more than or equal to half of two crawler belt distances.

Claims

1, electric toy car, be provided with battery case (7), wiring board (6), motor and transmission mechanism in the car shell, it is characterized in that described motor is left motor (2) and right motor (2 '), described transmission mechanism is made of the left reduction box (3) that cooperates with left motor (2), the right reduction box (3 ') that cooperates with right motor, the left-hand rotation moving part that cooperates with left reduction box (3) and the right-hand rotation moving part that cooperates with right reduction box (3 '); Described wiring board is provided with control circuit, this control circuit by left photoelectric sensing circuit 1., left circuits for triggering 2., 3. left drive circuit form with right photoelectric sensing circuit, right circuits for triggering, right drive circuit; 1. left side photoelectric sensing circuit is provided with Zuo Fashou to pipe, and right photoelectric sensing circuit is provided with right sending out and receives pipe, and 3. left drive circuit is connected with right motor (2 '), and right drive circuit is connected with left motor (2).

2, electric toy car as claimed in claim 1 is characterized in that described left-hand rotation moving part is left crawler belt (5), and right driving member is right-hand track chiain (5 ').

3, electric toy car as claimed in claim 1 or 2 is characterized in that left photoelectric sensing circuit is 1. identical with right photoelectric sensing circuit, and left circuits for triggering are 2. identical with right circuits for triggering, and left drive circuit is 3. identical with right drive circuit; Left side photoelectric sensing circuit 1. establishes resistance R 1 and potentiometer W1 is parallel to power supply, establishes Zuo Fashou pipe IC1 is connected in R1 and W1; 2. left side circuits for triggering establish " 555 " chip IC 2, and its 4 pin, 8 pin connect power positive end, and 1 pin connects power supply negative terminal, and 2 pin connect the contact of IC1 and W1,7 pin and parallel resistance R2 and capacitor C 1 after 6 pin are in parallel, and C1 connects power supply negative terminal, and R2 connects power positive end after meeting potentiometer W2; 3. left side drive circuit establishes triode T1, T2, T3, T4, T5 and T6; The T1 base stage connects 3 pin that connect IC2 after the resistance R 4, and colelctor electrode connects the T5 base stage after connecting resistance R 6, and emitter stage connects the T4 base stage; The T2 base stage connects 3 pin that connect IC2 after the resistance R 3, and colelctor electrode connects the T6 base stage, and emitter stage connects the T3 base stage after connecting resistance R 5; The T3 colelctor electrode connect the T4 current collection extremely contact connect right motor anode, emitter stage connects power positive end; The T4 emitter stage connects power supply negative terminal; The T5 colelctor electrode connect the T6 current collection extremely contact connect right motor negative terminal, emitter stage connects power positive end; The T6 emitter stage connects power supply negative terminal.