CN101222803B

CN101222803B - Touch type door lock illuminator

Info

Publication number: CN101222803B
Application number: CN2007100364421A
Authority: CN
Inventors: 余安敏; 喻承; 何媛
Original assignee: Shanghai Minhang No 2 Middle School
Current assignee: Shanghai Minhang No 2 Middle School
Priority date: 2007-01-12
Filing date: 2007-01-12
Publication date: 2012-11-14
Anticipated expiration: 2027-01-12
Also published as: CN101222803A

Abstract

The utility model relates to a contact door lock illuminator capable of indicating the place of keyholes, which realizes time limit light function primarily through a contact delay switching circuit; the contact door lock illuminator is suitable to be used at night or during the time when the lighting facilities in corridors go wrong. The illuminator comprises a low power energy saving lamp 1, a waterproof insulating lamp 2, a door lock induction chip 3 of a metal shell, and a contact delay switching circuit 5. When the door lock induction chip is contacted, an induction electrical signal in human body are arranged to the contact delay switching circuit 5, the contact delay switching circuit 5 outputs a high power level, control a relay 6 internal switch to conduct a external circuit and start the illuminator. After a T time interval, by the control function of the internal delay circuit of the contact delay switching circuit 5, the contact delay switching circuit outputs a low power level, the relay returns to original state, and the illuminator stops working.

Description

A kind of touch type door lock illuminator

Technical field

The present invention relates to a kind of lighting device, especially a kind of can be under the situation that night or corridor passageway lighting facility fault can not be thrown light on, the device of illumination when providing.

Background technology

At present, known touch luminaire is to be electrically connected and to be formed by sensing chip, NOR gate integrated circuit TC4001, controllable silicon, bridge rectifier, diode, resistor, capacitor, load luminaire.Civil power (AC220V) is through the bridge rectifier rectification; Electric resistance partial pressure, capacitor filtering are NOR gate integrated circuit TC4001 power supply, when staff contact induction sheet; The electrical signal of reaction of human body adds to NOR gate integrated circuit TC40011; Trigger NOR gate integrated circuit TC4001 output high level, the high level of NOR gate integrated circuit TC4001 output makes the controllable silicon conducting, the work of load luminaire.But this method is used bridge rectifier, has increased hardware cost; And controllable silicon is under frequent operating state, and its job stability increases and descends with access times; Cause circuit working unstable, occur easily that luminaire can not throw light on or luminaire is long bright.

Summary of the invention

Lack in order to overcome existing touch luminaire cost height, job insecurity, useful life; The present invention provides a kind of touch type door lock illuminator, adopts this touch luminaire, need not use battery to supply power as integrated circuit; Simple in structure, and cost is low, working stability.

The technical solution adopted for the present invention to solve the technical problems is: voltage stabilizing rectification module, DC supply module, Postponement module, 555 timers, induction trigger module, switch control module, load luminaire are electrically connected; The voltage stabilizing rectification module is made up of ac coupling capacitor, voltage stabilizing didoe, rectifier diode; The DC supply module is made up of three-terminal voltage-stabilizing pipe (7809), filter capacitor; Time delay module is made up of resistor, capacitor, and the induction trigger module is made up of sensing chip, resistor, and switch control module is made up of relay, diode; Civil power (AC 220V) input is electrically connected with ac coupling capacitor one end; The ac coupling capacitor other end is connected with the rectifier diode positive electrical, and voltage stabilizing didoe is connected in parallel in the ac input circuit, and wherein the voltage stabilizing didoe negative pole is connected with the rectifier diode positive electrical; Voltage stabilizing didoe is anodal to be electrically connected with the civil power other end; The rectifier diode negative pole is electrically connected with three-terminal voltage-stabilizing pipe (7809) input through electrochemical capacitor, filter capacitor, and three-terminal voltage-stabilizing pipe (7809) output is electrically connected with timer (NE555) (4) pin, (8) pin through electrochemical capacitor, filter capacitor, is electrically connected with resistor one end again; The resistor other end is connected with timer (NE555) (6) pin, (7) pin, electrochemical capacitor positive electrical respectively; Sensing chip is electrically connected with timer (NE555) (2) pin through voltage grading resistor, and the electrochemical capacitor negative pole is electrically connected with timer (NE555) (1) pin, is electrically connected with timer (NE555) (5) pin through coupling capacitor again; Timer (NE555) (3) pin is electrically connected with diode cathode, is electrically connected with the relay input; Wherein diode is parallelly connected with relay, and diode cathode is connected with relay GND end, electrochemical capacitor negative electricity, is electrically connected with another diode anode again; Get back in the alternating current circuit through the diode negative terminal, relay output end and load luminaire are connected in the ac circuit.

During standby, the control signal output ends of 555 timers is a low level, and the relay internal switch does not switch, and the load luminaire is not worked; When staff touch sensible sheet, the electrical signal of reaction of human body adds to 555 timers, 555 timer control signal output ends output high level; The relay internal switch switches, and makes the external circuit conducting, the work of load luminaire; After time T, through the control action of delay circuit to 555 timers, 555 timer control signal output ends output low levels; The relay operating state is got back to initial condition, and the load luminaire quits work, and reaches the purpose that touches delay switch.

The invention has the beneficial effects as follows; Through touching delay switch circuit, not only the effect of touch illumination is played in door lock keyhole position, and through regulating the delay circuit parameter; Operating time length that can the control load luminaire has played the effect of electrical energy saving.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is further specified.

Fig. 1 is a block diagram of the present invention.

Fig. 2 is first embodiment circuit block diagram of the present invention.

Fig. 3 is second example structure figure of the present invention.

Fig. 4 is the 3rd an example structure connection layout of the present invention

Embodiment

In block diagram shown in Figure 1; Civil power (AC 220V) is input to DC supply module (2) through voltage stabilizing rectification module (1) voltage stabilizing rectification, and DC supply module (2) is respectively 555 timers (4), time delay module (3) power supply; Induction trigger module (5) is that 555 timers (4) provide the induction triggering signal; 555 timers (4) receive induction trigger module (5) triggering signal output high-level control signal, and switch control module (6) commutation circuit under the high-level control signal of 555 timers (4) is a conducting state, load luminaire (7) work; Through the control action of time delay module (3) to 555 timers (4); 555 timers (4) output low level, switch control module (6) is got back to initial condition, and load luminaire (7) quits work.

In circuit block diagram embodiment illustrated in fig. 2; Ac coupling capacitor (C1), rectifier diode (D1), voltage stabilizing didoe (D2), three-terminal voltage-stabilizing pipe (7809), timer (NE555), relay (JM1), sensing chip (M), diode (D3, D4), resistor (R1, R2), capacitor (C1, C3, C5, C7), electrochemical capacitor (C2, C4, C6) are electrically connected; Civil power (AC 220V) (L) is held with ac coupling capacitor (C1) end and is electrically connected; Ac coupling capacitor (C1) other end is connected with rectifier diode (D1) positive electrical; Voltage stabilizing didoe (D2) is connected in parallel in the ac input circuit; Wherein voltage stabilizing didoe (D2) negative pole is connected with rectifier diode (D1) positive electrical; Voltage stabilizing didoe (D2) is anodal to be electrically connected with civil power (AC 220V) N end, and rectifier diode (D1) negative pole is electrically connected with three-terminal voltage-stabilizing pipe (7809) input through electrochemical capacitor (C2), filter capacitor (C3), and three-terminal voltage-stabilizing pipe (7809) output is electrically connected with timer (NE555) (4) pin, (8) pin through electrochemical capacitor (C4), filter capacitor (C5); Be electrically connected with resistor (R2) end again; Resistor (R2) other end is connected with timer (NE555) (6) pin, (7) pin, electrochemical capacitor (C6) positive electrical respectively, and wherein resistor (R2) constitutes delay circuit with electrochemical capacitor (C6) in this circuit, and sensing chip (M) is electrically connected with timer (NE555) (2) pin through voltage grading resistor (R1); Electrochemical capacitor (C6) negative pole is electrically connected with timer (NE555) (1) pin; Be electrically connected with timer (NE555) (5) pin through coupling capacitor (C7), timer (NE555) (3) pin is connected with diode (D4) negative electricity, is electrically connected with relay (JM1) input more again, and wherein diode (D4) is parallelly connected with relay (JM1); Diode (D4) is anodal to be connected with electrochemical capacitor (C6) negative electricity with relay (JM1) GND end; Be electrically connected with diode (D3) anode, diode (D3) negative pole and civil power (AC 220V) (N) are held and are electrically connected again, and relay (JM1) output (K) is connected in the ac circuit with load luminaire (Load).

In structure chart embodiment illustrated in fig. 3, by low power energy-saving lamp (1), waterproof insulation lampshade (2); Sensing chip (3) touches delay switch circuit (5) and forms, and waterproof insulation lampshade (2) is installed in directly over the door lock; Low power energy-saving lamp (1) is installed in the waterproof insulation lampshade (2), touches the inboard that delay switch circuit (5) is installed in door, and door lock metal shell sensing chip (3) is connected with touch delay switch circuit (5); (4) be keyhole, (6) are direction of illuminations.

In structure connection layout embodiment illustrated in fig. 4; By low power energy-saving lamp (1), waterproof insulation lampshade (2), sensing chip (3); Touching delay switch circuit (5) forms; Civil power with touch delay switch circuit (5) input and be connected, door lock metal shell sensing chip (3) is connected with touch delay switch circuit (5), low power energy-saving lamp (1) one end is connected with relay (6) output in the touch delay switch circuit (5) and is connected in the ac circuit.

Claims

1. touch type door lock illuminator; Form by voltage stabilizing rectification module, DC supply module, Postponement module, 555 timers, induction trigger module, switch control module, load luminaire; The voltage stabilizing rectification module is made up of ac coupling capacitor C1, voltage stabilizing didoe D2, rectifier diode D1, and the DC supply module is made up of three-terminal voltage-stabilizing pipe 7809, electrochemical capacitor C2 and C4, filter capacitor C3 and C5, and time delay module is made up of resistor R 2, electrochemical capacitor C6; The induction trigger module is made up of sensing chip M, voltage grading resistor R1; Switch control module is made up of relay, diode D4, it is characterized in that: civil power one end is electrically connected with ac coupling capacitor C1 one end, and the ac coupling capacitor C1 other end is connected with rectifier diode D1 positive electrical; Voltage stabilizing didoe D2 is connected in parallel in the ac input circuit; Wherein voltage stabilizing didoe D2 negative pole is connected with rectifier diode D1 positive electrical, and voltage stabilizing didoe D2 is anodal to be electrically connected with the civil power other end, and rectifier diode D1 negative pole is electrically connected with three-terminal voltage-stabilizing pipe 7809 inputs through electrochemical capacitor C2, filter capacitor C3; Three-terminal voltage-stabilizing pipe 7809 outputs are electrically connected with 555 timers, 4 pin, 8 pin through electrochemical capacitor C4, filter capacitor C5; Be electrically connected with resistor R 2 one ends, resistor R 2 other ends are connected with 555 timers, 6 pin, 7 pin, electrochemical capacitor C6 positive electrical respectively again, and sensing chip M is electrically connected with 555 timer 2 pin through voltage grading resistor R1; Electrochemical capacitor C6 negative pole is electrically connected with 555 timers, 1 pin; Be electrically connected with 555 timers, 5 pin through coupling capacitance C7,555 timers, 3 pin are connected, are electrically connected with the relay input with diode D4 negative electricity again, and wherein diode D4 is parallelly connected with relay; Diode D4 positive pole is connected with relay GND end, electrochemical capacitor C6 negative electricity respectively; Be electrically connected with another diode D3 anode, get back in the civil power alternating current circuit through diode D3 negative terminal, relay output end and load luminaire are connected in the ac circuit;

Said load luminaire is a low power energy-saving lamp; Touch the inboard that delay switch circuit is installed in door, the door lock metal section and part is electrically connected with the touch delay switch circuit as sensing chip M, and the waterproof insulation lampshade is installed in outdoors directly over the side opening, and low power energy-saving lamp is built in the waterproof insulation lampshade;

Said 555 timers are the NE555 timer.