CN202282989U

CN202282989U - Electronic cat

Info

Publication number: CN202282989U
Application number: CN2011204008729U
Authority: CN
Inventors: 陈清尧
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-20
Filing date: 2011-10-20
Publication date: 2012-06-27
Anticipated expiration: 2021-10-20

Abstract

The utility model discloses an electronic cat. A circuit structure of the electronic cat is characterized by comprising an alternating-current and direct-current dual-purpose power supply circuit, a pick-up amplification circuit, a monostable trigger time delay circuit and an oscillation output circuit. The alternating-current and direct-current dual-purpose power supply circuit is formed by enabling a dry battery to be in parallel connection with alternating-current voltage-reducing rectification after enabling the dry battery to be in series connection with an isolating diode. The pick-up amplification circuit is composed of a pick-up head MIC, an amplification triode Q1, static biasing resistors R1 and R2 and an output coupling capacitor C1. The monostable trigger time delay circuit is composed of an integrated circuit NE555, capacitors C2 and C3 and a potentiometer RP. In the oscillation output circuit, an oscillating triode Q2, an inductor L, capacitors C4 and C5 and resistors R3 and R4 form an oscillator, and triodes Q3 and Q4, a loudspeaker Y, light-emitting diodes D1 and D2 and resistors R5 and R6 form acousto-optic output. The electronic cat utilizes an integrated block to serve as a core device, is simple in circuit structure, low in production cost and lifelike in cat-simulating acousto-optic effects, can be assembled into an electronic toy liked by children, and is also suitable for electronic practical training of students of an electronics major.

Description

Electronic cat

Technical field

The utility model relates to electronic equipments, is specifically related to electronic cat.

Background technology

The utility model product tool on market is not also found at present, both can put and threaten mouse at home, when using dry cell to make power supply, can be used as toy for children yet, and the electrical type student of vocational school also can be used as real the training.

Summary of the invention

The utility model problem to be solved is how a kind of electronic cat is provided; This electronic cat is made core devices by integrated package; Circuit structure is simple, cost of manufacture is low, imitative cat sound and light program is true to nature; Can be assembled into the electrical type toy that child likes, the also suitable electrical type student of vocational school carries out electronics and trains in fact.

The technical problem that utility model proposed is to solve like this: construct a kind of electronic cat, it is characterized in that, comprise that DC-AC two-use power supply, pickup are amplified, monostable triggering is delayed time, the vibration output circuit; The DC-AC two-use power supply is composed in parallel with the ac buck rectification circuit by dry cell BT and isolating diode D6 series connection back, anodal feeder ear tandem tap S control; The pickup amplifying circuit is made up of pick-up head MIC, amplifying triode Q1, resistance R 1, resistance R 2 and coupling capacitance C1; Monostable triggering delay circuit is made up of integrated circuit NE555, capacitor C 2, capacitor C 3 and potentiometer RP; Constitute oscillator by generator triode Q2, inductance L, capacitor C 4, capacitor C 5 and resistance R 3, resistance R 4, form the acousto-optic output circuit by triode Q3, triode Q4, loudspeaker Y, light emitting diode D1, light emitting diode D2 and resistance R 5, resistance R 6; Pick-up head MIC one end of pickup amplifying circuit and the base stage of amplifying triode Q1, bias resistor R1 one end are connected, and the negative pole of the pick-up head MIC other end and feeder ear links to each other; Coupling capacitance C1 one end is connected with the colelctor electrode of amplifying triode Q1, and the pin 2 of the other end and integrated circuit NE555 is connected; It is anodal that the colelctor electrode of amplifying triode Q1 connects feeder ear through resistance R 2, and the emitter stage of triode Q1 connects the feeder ear negative pole; The pin 8 of integrated circuit NE555 connects anodal feeder ear; Its pin 1 connects the feeder ear negative pole; Its pin 5 connects the feeder ear negative pole through capacitor C 2; Its pin 6 back one tunnel that is connected with pin 7 is connected the feeder ear negative pole through capacitor C 3, another road with connect the feeder ear positive pole after potentiometer RP links to each other, the pin of NE555 3 is connected with an end of resistance R 4, resistance R 6, the base stage of triode Q3 for output; Inductance L is connected with the base stage of generator triode Q2 with capacitor C 4 series connection backs; It is anodal to be connected feeder ear after the colelctor electrode of the emitter stage of triode Q2 and triode Q3 links to each other; Loudspeaker Y is connected between the emitter stage and feeder ear negative pole of Q3; Resistance R 6, light emitting diode D1, light emitting diode D2 series connection back are connected with the colelctor electrode of triode Q4, and triode Q4 base stage is connected with triode Q3 emitter stage through resistance R 4.

The beneficial effect of the utility model is: this electronic cat is made core devices by integrated package; Circuit structure is simple, compact conformation; Low, the imitative cat sound and light program of cost of manufacture is true to nature, can be assembled into the electrical type toy that child likes, and the also suitable electrical type student of vocational school carries out electronics and trains in fact.

Description of drawings

Accompanying drawing 1 is the circuit structure diagram of the utility model.

Embodiment

Below in conjunction with accompanying drawing the utility model is further described.

Shown in accompanying drawing 1, pick-up head MIC gathers sound, but two LEDs 1, the luminous emulation opal of LED2, and loudspeaker Y sends the cry of " miaow, miaow " sound simulation cat; Behind the closed power switch S, when pick-up head MIC received voice signal, loudspeaker Y then sent " miaow, miaow " sound, and two light emitting diode D1, D2 also send red flash of light simultaneously; Integrated circuit NE555, adjustable resistor RP and capacitor C1, C2, C3 form monostable triggering delay circuit, and when child was at play this electronic cat toy, pick-up head MIC was after obtaining an audio frequency vibration signal; Produce a signal of telecommunication; This signal of telecommunication is amplifying through triode Q1 after capacitor C1 is coupled to integrated circuit NE555's (2) pin, because triode Q1 saturation conduction, (2) pin current potential of NE555 is lower than the 1/3Vcc triggering level; NE555 is set; Its (3) pin output high level, triode Q2, Q3 conducting, the oscillating circuit starting oscillation work that triode Q2, Q3, inductor L, resistor R 3, R4 and capacitor C4, C5 form; The loudspeaker Y that is placed in " cat mouth " sends " miaow, miaow " cry, is placed on two LED 1, LED2 in " opal " and also flashes simultaneously; Duration of oscillation depends on monostable delay time, and the length of this time is by potentiometer RP1 and capacitor C3 decision, and the resistance of adjustment potentiometer RP can shorten or prolong " cat " cry and flash time; Capacitor C3 will be recharged after NE555 is set; When the voltage on the capacitor C 3 surpasses 2/3Vcc; NE555 is set again, (3) pin output low level at this moment, the oscillator failure of oscillations; The loudspeaker Y that is placed in " cat mouth " stops pronunciation, and the light emitting diode D1, the D2 that are placed in " opal " also stop flash of light simultaneously.

Components and parts are selected: Q1, Q3, Q4 select C9014 type triode for use, and Q2 selects C9015 type triode for use; IC selects NE555 time-base integrated circuit piece for use; D1, D2 select the red light emitting diodes of Φ 5mm for use; R1-R6 selects the 1/8W carbon film resistor for use, and its resistance is respectively R1:1.5M Ω, R2, R3:100K Ω, R4:3K; K5:270 Ω; Power supply BT selects No. 5 dry cell series connection of 4 joints for use; C1, C3, C4 aluminium electrolytic capacitor, C1:1u/16V, C3:100u/16V, C4:220u/16V, C2 select for use 0.01uF, C5 to select the monolithic capacitor of 0.1uF for use; Potentiometer RP selects the external rotation adjustable resistor of 100K for use.

The utility model also can be made various alternatives; More than through embodiment by accompanying drawing 1 illustrated embodiment; Be that the foregoing of the utility model is done further explain, but should this be interpreted as that the scope of the theme that the utility model is above-mentioned only limits to described instance; Do not breaking away under the above-mentioned technological thought situation of the utility model, various replacements and change according to ordinary skill knowledge and customary means are made all should be included in the scope of the utility model.

Claims

1. an electronic cat is characterized in that: comprise that DC-AC two-use power supply, pickup are amplified, monostable triggering is delayed time, the vibration output circuit; The DC-AC two-use power supply is composed in parallel with the ac buck rectification circuit by dry cell BT and isolating diode D6 series connection back, anodal feeder ear tandem tap S control; The pickup amplifying circuit is made up of pick-up head MIC, amplifying triode Q1, resistance R 1, resistance R 2 and coupling capacitance C1; Monostable triggering delay circuit is made up of integrated circuit NE555, capacitor C 2, capacitor C 3 and potentiometer RP; Constitute oscillator by generator triode Q2, inductance L, capacitor C 4, capacitor C 5 and resistance R 3, resistance R 4, form the acousto-optic output circuit by triode Q3, triode Q4, loudspeaker Y, light emitting diode D1, light emitting diode D2 and resistance R 5, resistance R 6; Pick-up head MIC one end of pickup amplifying circuit and the base stage of amplifying triode Q1, bias resistor R1 one end are connected, and the negative pole of the pick-up head MIC other end and feeder ear links to each other; Coupling capacitance C1 one end is connected with the colelctor electrode of amplifying triode Q1, and the pin 2 of the other end and integrated circuit NE555 is connected; It is anodal that the colelctor electrode of amplifying triode Q1 connects feeder ear through resistance R 2, and the emitter stage of triode Q1 connects the feeder ear negative pole; The pin 8 of integrated circuit NE555 connects anodal feeder ear; Its pin 1 connects the feeder ear negative pole; Its pin 5 connects the feeder ear negative pole through capacitor C 2; Its pin 6 back one tunnel that is connected with pin 7 is connected the feeder ear negative pole through capacitor C 3, another road with connect the feeder ear positive pole after potentiometer RP links to each other, the pin of NE555 3 is connected with an end of resistance R 4, resistance R 6, the base stage of triode Q3 for output; Inductance L is connected with the base stage of generator triode Q2 with capacitor C 4 series connection backs; It is anodal to be connected feeder ear after the colelctor electrode of the emitter stage of triode Q2 and triode Q3 links to each other; Loudspeaker Y is connected between the emitter stage and feeder ear negative pole of Q3; Resistance R 6, light emitting diode D1, light emitting diode D2 series connection back are connected with the colelctor electrode of triode Q4, and triode Q4 base stage is connected with triode Q3 emitter stage through resistance R 4.