CN2430814Y

CN2430814Y - Inductor for household electric appliance

Info

Publication number: CN2430814Y
Application number: CN 00251747
Authority: CN
Inventors: 文华飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-09-21
Filing date: 2000-09-21
Publication date: 2001-05-16
Anticipated expiration: 2010-09-21

Abstract

The utility model relates to an inductor for a household electric appliance of a fundamental amplifier and a general control system. The utility model solves the problems that the intrusion of lawless persons is forbidden through the induction and the identification of the human body in a nonsafety circuit. The utility model is composed of a human body inducing circuit which is connected with a comparative degree circuit, a power circuit, a delay circuit, a pulse circuit and a turning drive circuit.

Description

The household electrical appliance inductor

The utility model relates to the household electrical appliance inductor of a kind of common source basic amplifier and general control systems.

At present, transistor switching circuit of all being made up of certain oscillating circuit and several triodes of the inductor major part on the market etc. is formed.Its weak point is: circuit is installed very difficult, and poor work stability is fragile.

The purpose of this utility model is to avoid above-mentioned weak point of the prior art, and provide a kind of, be exclusively used in that non-place of safety is swarmed into by human body sensing identify forbidden unprincipled fellow and self closing device, change the household electrical appliance inductor of electric control process by human body sensing into.

The purpose of this utility model can reach by following measure: this household electrical appliance inductor that relates to common source basic amplifier and general control systems, have: power circuit, the comparative degree circuit, delay circuit, impulse circuit, upset drive circuit etc., its special character is: the end of oppisite phase of comparative degree circuit with by tablet, the electric capacity that links successively with it, field effect transistor, the amplifier in-phase end, amplifier out divides two-way shunt capacitance and diode, wherein, the negative pole of diode divides two-way to be parallel to amplifier end of oppisite phase and resistance again, and the body induction circuit that the electric capacity of minus earth constitutes is connected.

The drawing of accompanying drawing is described as follows:

Fig. 1 is the circuit diagram of household electrical appliance inductor.

Fig. 2 is the household electrical appliance inductor first upset drive circuit figure.

Fig. 3 is the household electrical appliance inductor second upset drive circuit figure.

The utility model is described in further detail below in conjunction with accompanying drawing:

1, Fig. 1, Fig. 2 and Fig. 3 show the embodiment that the utility model is applied to desk lamp.

This device has power circuit, comparative degree circuit, delay circuit, impulse circuit, upset drive circuit etc., and body induction circuit is connected with the comparative degree circuit.Wherein: power circuit divides two groups of direct voltage of voltage regulation: first group of direct voltage of voltage regulation, the negative pole end of full-bridge rectification 33 are the negative pole (hold) of power circuit, and the positive terminal of full-bridge rectification 33 divides two-way to connect; The first via is connected with the input of pressurizer 26, the minus earth of pressurizer 26; The second the tunnel is connected electric capacity 27 minus earths with electric capacity 27.The output of pressurizer 26 divides ten three the tunnel to connect: the one tunnel is connected with luminous tube 23, and the negative pole of luminous tube 23 is connected with resistance 24, the other end ground connection of resistance 24; Two the tunnel are connected with resistance 22, and the other end of resistance 22 is connected with triode 21 collector electrodes; Three the tunnel are connected with the normally opened contact 19 of J1 relay 17, and normally opened contact 19 other ends of J1 relay 17 divide two-way to connect: the 1 the tunnel is connected with resistance 20, and the other end of resistance 20 is connected with the base stage of triode 21, the grounded emitter of triode 21; The 2 the tunnel is connected resistance 18 other end ground connection with resistance 18; Four the tunnel are connected with J1 relay 17, and J1 relay 17 other ends are connected with the collector electrode of triode 44; Five the tunnel are connected with diode 16, and the positive pole of diode 16 is connected with the collector electrode of triode 44; Six the tunnel are connected with resistance 15, and resistance 15 other ends are connected with luminous tube 14, and luminous tube 14 negative poles are connected with the collector electrode of triode 44; Seven the tunnel are connected with resistance 12, resistance 12 other ends are connected with photoelectrical coupler 10 photosensitive tubes, the anode of photoelectrical coupler 10 photosensitive tubes divides two-way to connect: the 1 the tunnel is connected with resistance 13, the other end of resistance 13 is connected with the base stage of triode 44, the emitter of triode 44 is connected with the base stage of triode 43, the collector electrode of triode 43 is connected with the collector electrode of triode 44, the grounded emitter of triode 43; The 2 the tunnel is connected the minus earth of electric capacity 45 with electric capacity 45; Eight the tunnel are connected with resistance 11, and resistance 11 other ends are connected with photoelectrical coupler 10 light-emitting diodes, and photoelectrical coupler 10 light-emitting diode negative poles are connected with the collector electrode of triode 9; Nine the tunnel are connected with the positive source of A2 amplifier 46, and the minus earth of A2 amplifier 46, A2 amplifier 46 and A1 amplifier 5 are to coexist in the ic circuit.The output of A2 amplifier 46 is connected with voltage stabilizing didoe 8, and the negative pole of voltage stabilizing didoe 8 is connected with the base stage of triode 9, the grounded emitter of triode 9; Ten the tunnel are connected with resistance 7, and the other end of resistance 7 divides two-way to connect: the 1 the tunnel is connected with the in-phase end of A2 amplifier 46; The 2 the tunnel is connected resistance 47 other end ground connection with resistance 47; Ten one the tunnel are connected with the power positive end of body induction circuit; Ten two the tunnel are connected with power positive end (14) pin of CD4013 ic circuit 39, and (1) pin of CD4013 ic circuit 39 divides two-way to connect: the 1 the tunnel is connected with (11) pin; The 2 the tunnel is connected with electric capacity 40, and the negative pole of electric capacity 40 divides two-way to connect: (1) road is connected with (6) pin, and (2) road is connected with resistance 41, resistance 41 other end ground connection, and (2) pin of CD4013 ic circuit 39 divides the two-way connection: the 1 the tunnel is connected with (5) pin; The 2 the tunnel is connected with electric capacity 25, and electric capacity 25 negative poles divide two-way to connect: the first via is connected with (4) pin; The second the tunnel is connected the other end ground connection of resistance 42 with resistance 42.(7) of CD4013 ic circuit 39, (8), (10) each pin common ground, (9) pin is connected with (12) pin, (3) the pin input is connected with the collector electrode of triode 21, (13) the pin output is connected with resistance 38, the other end of resistance 38 is connected with the base stage of triode 37, the collector electrode of triode 37 is connected with J2 relay 57, and J2 relay 57 other ends are connected (as shown in Figure 3), the grounded emitter of triode 37 with the power positive end of upset drive circuit.When J2 relay 57 changes solid-state relay 53 into (as shown in Figure 2), the collector electrode of triode 37 is connected with solid-state relay 53, solid-state relay 53 other ends are connected with resistance 54, the other end of resistance 54 is connected with the power positive end of upset drive circuit, the output two ends of solid-state relay 53: an end is connected with resistance 55, and resistance 55 other ends are connected with the anode of bidirectional triode thyristor 56; The other end is connected the grounded emitter of triode 37 with the control utmost point of bidirectional triode thyristor 56; Ten three the tunnel are connected the minus earth of electric capacity 58 with electric capacity 58.Second group of direct voltage of voltage regulation, the negative pole end of full-bridge rectification 32 are the negative pole (hold) of power circuit, and the positive terminal of full-bridge rectification 32 divides two-way to connect; The 1 the tunnel is connected the minus earth of electric capacity 34 with electric capacity 34; The 2 the tunnel is connected with the input of pressurizer 35, the minus earth of pressurizer 35, and the output of pressurizer 35 is connected with the power positive end of upset drive circuit (as Fig. 2, shown in Figure 3).The formation of body induction circuit is that human body sensing plate 1 is connected with electric capacity 2, and the other end of electric capacity 2 divides two-way to connect: the 1 the tunnel is connected the other end ground connection of electric capacity 51 with electric capacity 51; The 2 the tunnel is connected with the grid of field effect transistor 3.The drain electrode of field effect transistor 3 divides two-way to connect: the 1 the tunnel is connected the positive terminal of another termination power of resistance 4 with resistance 4; The 2 the tunnel is connected the source ground of field effect transistor 3 with the in-phase end of A1 amplifier 5.The end of oppisite phase of A1 amplifier 5 divides two-way to connect: the 1 the tunnel is connected with resistance 49, and resistance 49 other ends are connected with electric capacity 50, the minus earth of electric capacity 50; The 2 the tunnel is connected with diode 48, and the positive pole of diode 48 is connected to the output of A1 amplifier 5.The output of A1 amplifier 5 is connected with electric capacity 6, and the positive pole of electric capacity 6 is connected to the end of oppisite phase of A2 amplifier 46.J2 relay 57 normally opened contacts of upset drive circuit or the positive and negative utmost point and the desk lamp bulb of bidirectional triode thyristor 56 are series in 220 volts of alternating currents.The tablet 1 of body induction circuit insert the desk lamp inner casing be covered with insulating barrier with in the ditch.Tablet abuts against the desk lamp inner casing, and the back side of shell is the induction window.The mains switch 29 and the inductor power transformer 31 of desk lamp are series in 220 volts of alternating currents.The inductor circuit plate, power transformer 31, delay circuit relay indicating light 14, power circuit relay indicating light 23 is installed in any position in the desk lamp.

During use, turn on the power switch 29, reach inductive desk lamp window place with hand and stop or swing.Because the signal of human body sensing, the grid that promptly is equivalent to field effect transistor 3 increases electric capacity 52, field effect transistor 3 is by the moment pinch off, and the drain electrode of field effect transistor 3, the resistance between the source electrode increase, and A1 amplifier 5 in-phase end voltages raise, its A1 amplifier 5 output end voltages are through the end of oppisite phase of electric capacity 6 to A2 amplifier 46, and make comparisons with in-phase end voltage, handle its output output high level by the internal circuit of A2 amplifier 46, voltage stabilizing didoe 8 conductings, the base voltage of triode 9 rises and conducting.Photoelectrical coupler 10 conductings, the base voltage of triode 44 raises, triode 44 and triode 43 conductings simultaneously, delay circuit work, time dalay indicator light 14 is shinny, 17 conductings of J1 relay, normally opened contact 19 closures of J1 relay 17, the base voltage of triode 21 rises and conducting, and the negative pulse of degree of a shaking width of its collector electrode output is to input (3) pin (CP1 end) of the D1 trigger of CD4013 ic circuit 39, the upset of D1 trigger.By (1) pin output of D1 trigger, enter input (11) pin (CP2 end) of D2 trigger, be connected with Q2 end (12) pin by D2 end (9) pin, the D2 trigger also overturns.Its Q2 end (13) pin output drives triode 37 conductings, J2 relay 57 or solid-state relay 53 conductings, and the positive and negative utmost point of the normally opened contact of J2 relay 57 or bidirectional triode thyristor 56 is connected 220 volts of AC power of desk lamp bulb, and desk lamp is bright.Inductive desk lamp window place stops or swing if reach with hand again, and the inductor circuit course of work is with last time identical.Q2 end (13) pin of CD4013 ic circuit 39 belongs to electronegative potential, and triode 37, J2 relay 57 or solid-state relay 53 end, and desk lamp extinguishes.

2, Fig. 1, show the utility model and be applied to embodiment in the non-safety zone

This device has power circuit, the comparative degree circuit, and delay circuit etc., the field effect transistor 3 of body induction circuit is connected with A1 amplifier 5, and the output of A1 amplifier 5 is connected with electric capacity 6, and the other end of electric capacity 6 is connected with the comparative degree circuit.Wherein, power circuit, the comparative degree circuit, delay circuit, the connection of each element because of identical with embodiment 1, is omitted herein.The formation of body induction circuit is that human body sensing plate 1 is connected with electric capacity 2, and the other end of electric capacity 2 divides two-way to connect: the first via is connected with electric capacity 51, the other end ground connection of electric capacity 51; The second the tunnel is connected with the grid of field effect transistor 3.The drain electrode of field effect transistor 3 divides two-way to connect: the first via is connected with resistance 4, and the other end of resistance 4 is connected to the positive terminal of power supply; The second the tunnel is connected with the in-phase end of A1 amplifier 5.The source ground of field effect transistor.The end of oppisite phase of A1 amplifier 5 divides two-way to connect: the first via is connected with resistance 49, and the other end of resistance 49 is connected with electric capacity 50, electric capacity 50 minus earths: the second tunnel is connected with diode 48, and the positive pole of diode 48 is connected to the output of A1 amplifier 5.The output of A1 amplifier 5 is connected with electric capacity 6, and the positive pole of electric capacity 6 is connected to the end of oppisite phase of A2 amplifier 46.The alternating current input 28,30 of inductor power transformer is connected in 220 volts of alternating currents, and the normally opened contact 19 of delay circuit J1 relay 17 is connected in the relative assembly of non-safety zone.Inductor is placed on a certain position of non-safety zone.In use, turn on the power switch 29, enter the passage or the porch of non-place of safety as people, during near it, inductor just begins action, normally opened contact 19 closures of delay circuit J1 relay 17, connect the actuator of non-safety zone relative assembly, warn people not enter.

The utility model has following advantage compared to existing technology:

Easy to use, stability is strong, and is not fragile.

Claims

1. household electrical appliance inductor that relates to common source basic amplifier and general control systems, have: power circuit, comparative degree circuit, delay circuit, impulse circuit, upset drive circuit etc., it is characterized in that: the end of oppisite phase of comparative degree circuit with by tablet, the electric capacity that links successively with it, field effect transistor, amplifier in-phase end, amplifier out divides two-way shunt capacitance and diode, wherein, the negative pole of the diode body induction circuit that divides electric capacity that two-way is parallel to amplifier end of oppisite phase and resistance, minus earth to constitute again is connected.