CN101222803A

CN101222803A - Touch type door lock illuminator

Info

Publication number: CN101222803A
Application number: CNA2007100364421A
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: 2008-07-16
Anticipated expiration: 2027-01-12
Also published as: CN101222803B

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 is 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 the circuit working instability, occur easily that luminaire can not throw light on or luminaire long bright.

Summary of the invention

Short in order to overcome existing touch luminaire cost height, job insecurity, useful life, the invention provides a kind of touch type door lock illuminator, adopt this touch luminaire, do not need to use battery to 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: with the voltage stabilizing rectification module, the DC supply module, Postponement module, 555 timers, the induction trigger module, switch control module, the load luminaire is electrically connected, the voltage stabilizing rectification module is by ac coupling capacitor, voltage stabilizing didoe, rectifier diode constitutes, the DC supply module is by three-terminal voltage-stabilizing pipe (7809), filter capacitor constitutes, time delay module is by resistor, capacitor constitutes, the induction trigger module is by sensing chip, resistor constitutes, switch control module is by relay, diode constitutes, 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, voltage stabilizing didoe is connected in parallel in the ac input circuit, 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 through electrochemical capacitor, filter capacitor is electrically connected with three-terminal voltage-stabilizing pipe (7809) input, three-terminal voltage-stabilizing pipe (7809) output is through electrochemical capacitor, filter capacitor and timer (NE555) (4) pin, (8) pin is electrically connected, be electrically connected with resistor one end again, the resistor other end respectively with timer (NE555) (6) pin, (7) pin, the electrochemical capacitor positive electrical connects, sensing chip is electrically connected with timer (NE555) (2) pin by voltage grading resistor, the electrochemical capacitor negative pole is electrically connected with timer (NE555) (1) pin, be electrically connected with timer (NE555) (5) pin by coupling capacitor again, timer (NE555) (3) pin is electrically connected with diode cathode, be electrically connected with the relay input again, wherein diode is in parallel with relay, diode cathode and relay GND end, the electrochemical capacitor negative electricity connects, be electrically connected with another diode anode again, get back in the alternating current circuit by 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, the relay internal switch does not switch, 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, and the relay internal switch switches, make the external circuit conducting, the work of load luminaire is after time T, by 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, by touching delay switch circuit, not only the key hole of door lock position is played the effect of touch illumination, and by 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

The present invention is further described below in conjunction with drawings and Examples.

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 through voltage stabilizing rectification module (1) voltage stabilizing rectification, be input to DC supply module (2), 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, switch control module (6) commutation circuit under the high-level control signal of 555 timers (4) is a conducting state, load luminaire (7) work, by 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) be 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, rectifier diode (D1) negative pole is through electrochemical capacitor (C2), filter capacitor (C3) is electrically connected with three-terminal voltage-stabilizing pipe (7809) input, three-terminal voltage-stabilizing pipe (7809) output is through electrochemical capacitor (C4), filter capacitor (C5) and timer (NE555) (4) pin, (8) pin is electrically connected, be electrically connected with resistor (R2) end again, resistor (R2) other end respectively with timer (NE555) (6) pin, (7) pin, electrochemical capacitor (C6) positive electrical connects, wherein resistor (R2) constitutes delay circuit with electrochemical capacitor (C6) in this circuit, sensing chip (M) is electrically connected with timer (NE555) (2) pin by 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 by coupling capacitor (C7) again, timer (NE555) (3) pin is connected with diode (D4) negative electricity, be electrically connected with relay (JM1) input again, wherein diode (D4) is in parallel 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 again, diode (D3) negative pole and civil power (AC 220V) (N) are held and are electrically connected, 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, 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, by the voltage stabilizing rectification module, the DC supply module, Postponement module, 555 timers, the induction trigger module, switch control module, the load luminaire is formed, the voltage stabilizing rectification module is by ac coupling capacitor, voltage stabilizing didoe, rectifier diode constitutes, the DC supply module is by three-terminal voltage-stabilizing pipe (7809), filter capacitor constitutes, time delay module is by resistor, capacitor constitutes, the induction trigger module is by sensing chip, resistor constitutes, switch control module is by relay, diode constitutes, it is characterized in that: 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, voltage stabilizing didoe is connected in parallel in the ac input circuit, 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 through electrochemical capacitor, filter capacitor is electrically connected with three-terminal voltage-stabilizing pipe (7809) input, three-terminal voltage-stabilizing pipe (7809) output is through electrochemical capacitor, filter capacitor and timer (NE555) (4) pin, (8) pin is electrically connected, be electrically connected with resistor one end again, the resistor other end respectively with timer (NE555) (6) pin, (7) pin, the electrochemical capacitor positive electrical connects, sensing chip is electrically connected with timer (NE555) (2) pin by voltage grading resistor, the electrochemical capacitor negative pole is electrically connected with timer (NE555) (1) pin, be electrically connected with timer (NE555) (5) pin by coupling capacitor again, timer (NE555) (3) pin is electrically connected with diode cathode, be electrically connected with the relay input again, wherein diode is in parallel with relay, diode cathode and relay GND end, the electrochemical capacitor negative electricity connects, be electrically connected with another diode anode again, get back in the alternating current circuit by the diode negative terminal, relay output end and load luminaire are connected in the ac circuit.

2. touch type door lock illuminator according to claim 1, it is characterized in that: touch the inboard that delay switch circuit is installed in door, door lock metal part is electrically connected with the touch delay switch circuit as sensing chip, the waterproof insulation lampshade is installed in directly over the outer side of door lockhole, and low power energy-saving lamp is built in the waterproof insulation lampshade.