CN2190691Y - Safety door with automatic alarm - Google Patents

Abstract

The utility model relates to a safety door with an automatic alarm, which is composed of a double-layer metal plate, the utility model controls a transfer switch in a control circuit through the on-off state of a lock key, and thereby, the conversion of two operating states of doorbell and alarm is reached. The utility model triggers a door bell circuit and an alarm circuit through depending on an infrared sensor arranged above the outer side of a door leaf to receive infrared radiation signal of human within a certain visual field before the door. The safety and theft protection purposes are reached. When the utility model is used, a comer does not need to press the doorbell, an automatic doorbell can send out sound, and the circuit has safety and no misoperation. The utility model is the safety door which is not only suitable for a family, but also suitable for public places.

Description

Safety door with automatic alarm

The utility model belongs to the civilian construction articles for use, relates to a kind of safety door that has autoalarm.

Along with the raising of people's living standard, security door, safety door have all been installed in the gate of a lot of residential houses and public place.The safety door of the various structures of making from the useful iron plate of material, aluminium alloys, stainless steel, these safety doors are to reach pick-proof, antitheft purpose by multi-faceted installation door lock with the structure that lock is designed to multipoint positioning mostly.Though these doors have many good qualities, and do not have full-automatic doorbell device and warning device mostly, can not by sled the time, report to the police automatically.

The purpose of this utility model be with application of electronic technology on safety door, design a kind of easy to use, have and report to the police and the automatic door bell device, have the safety door of better pick-proof, theftproof performance.

The purpose of this utility model realizes by following scheme: this safety door is made of the double-level-metal plate, and infrared ray sensor, door lock hole, illuminating lamp, alarm lamp are installed on the door leaf external door panel; Trigger switch immediately is equipped with in door leaf hinge face top; The electronic control circuit plate of the amplifying circuit be made up of integrated circuit chip, power switch circuit, counting circuit, warning circuit, doorbell circuit is housed in the double-layer door cavity, its switching by the door lock key comes a changeover switch in the control circuit, thereby reach doorbell and the two kinds of conversion of operation state of reporting to the police, and messenger's infrared radiation signal in certain visual field before the infrared ray sensor receiving gate of dependence door leaf top, trigger doorbell circuit and warning circuit with this, promote loudspeaker and send the sound, thereby reach the utility model purpose.

The infrared ray sensor that safety door is adorned that has autoalarm can be adjusted arbitrarily according to environment visual field in front of the door, night is in infrared rays receives in front of the door the visual field behind the human body radiation signal, circuit can be controlled the illumination lamp ignition of unblanking, and extinguish in preset time, this does not unblank to provide convenience to having night under light situation, trigger the doorbell circuit working immediately after the infrared ray sensor received signal simultaneously, make messenger need not press doorbell, can notify has the visitor outdoors.This door also is equipped with shock-activated switch, trigger switch etc. immediately, has strengthened theftproof performance.Circuit adopted and must add up to move the work of ten ability triggering warning circuits in preset time, so can not produce misoperation.Therefore this is a kind ofly not only to be suitable for family but also be suitable for the safety door that the public place uses.

Be described as follows below in conjunction with drawings and the specific embodiments:

Fig. 1 is an organigram of the present utility model

Fig. 2 A, 2B are circuit diagram of the present utility model

Among Fig. 1, door leaf 11 adopts the double-level-metal plate to be welded, and forms hollow, is the sound-insulating layer, and multi-faceted door lock tongue 10 is installed in the outer side edges and the upper side edge of door leaf; Door leaf 11 is equipped with door lock hole 1 on the panel outwardly, alarm lamp 2 and switch lock illuminating lamp 3, sound hole 4 are housed near it, infrared ray sensor 5 is equipped with in its upper end, but the human infrared radiation signal before its receiving gate in the field range, it can be adjusted given visual field according to varying environment simultaneously, to reach optimum efficiency.The circuit board 7 that is used for controlling doorbell and warning is installed in the cavity of door leaf 11, and changeover switch 9, shock-activated switch 8 also are housed on the circuit board; Trigger switch 6 immediately is equipped with in door leaf hinge face top.

A ' among Fig. 2 A, the 2B, B ' overlaid, A ", B " overlaid.Circuit comprises infrared ray sensor 5, amplifying circuit 12, on-off circuit 13, counting circuit 14, warning circuit 15, the doorbell circuit 16 be made up of integrated circuit chip.Its annexation is as follows: the S end of infrared ray sensor 5 connects the 12 pin of integrated circuit 12 by resistance 17, connect resistance 18 between one pin, six pin, its nine pin connects the delay circuit of resistance 19, electric capacity 20 compositions, also be connected with the anode of diode 21 simultaneously, seven pin, octal that its negative terminal connects integrated circuit chip 12 link to each other with five pin of integrated circuit 13.And integrated circuit 13 two, tripod is connected with the normally closed contact of changeover switch 9, a normal opened contact " a " of changeover switch 9 connects the octal of integrated circuit chip 16.Integrated 13 two, be serially connected with between resistance 35, light resistor 36, two resistance on the tripod be connected to triode 37, its emitter stage is connected with the illuminating lamp 3 of unblanking.A pin of integrated 12 is serially connected with diode 22, resistance 23 and triode 24 base stages, and its colelctor electrode connects electric capacity 25, and electric capacity 25 other ends connect a pin of integrated circuit 16.Also be serially connected with diode 26 and electric capacity 27 on the colelctor electrode of triode 24, the electric capacity other end links to each other with the 14 pin of integrated circuit 14.One, six, seven pin of this integrated circuit connect diode 28,29,30 anodes respectively, and their negative terminals are connected together mutually and are connected to light emitting diode 2.Light emitting diode 2 is used indicator lamp for reporting to the police in circuit.The 11 pin of integrated circuit 14 is connected with controllable silicon 31, sell end and Vdd that controllable silicon 31 connects integrated circuits 15 hold, and are also connecting loudspeaker 32, remote speaker socket 33, contact of trigger switch 6 and a contact of shock-activated switch 8 immediately simultaneously.Trigger switch 6 is connected a pin of integrated circuit chip 13 with another contact of shock-activated switch 8 immediately, and another contact of shock-activated switch 8 connects infrared ray sensor D end, connects the 4th pin of integrated circuit chip 12 simultaneously.

Now operating principle of the present utility model is summarized as follows:

Owner opens door with key, and the changeover switch of being controlled by door key 9 is in " a " position, and then circuit connects integrated circuit 16, connects doorbell circuit that is:.This moment is in the given visual field of infrared ray sensor before if people's access door is arranged, sensor 5 receives ten two pin of the infrared radiation signal of human body through resistance 17 input ics 12, after this sheet secondary amplifies, the one pin is a low level, octal is a high level, trigger five pin of integrated circuit 13, at this moment integrated 13 switching tube is in conducting, and by two, the tripod output voltage connects doorbell circuits, is integrated circuit 16 through changeover switch 9.Meanwhile a pin output signal of integrated circuit 12 adds to triode 24 base stages through diode 22, resistance 23 with back bias voltage.24 on triode is become by shape by the conducting shape.Its collector potential raises rapidly, produces the trigger electrode that positive pulses are given integrated circuit 16 through electric capacity 25, makes doorbell circuit 16 work, and promotes loudspeaker 34 and send the doorbell sound, and the prompting owner has the guest to arrive.If messenger leaves in the given field range, infrared ray sensor does not receive the human infrared radiation signal, and then the delay circuit of resistance 19, electric capacity 20 compositions is to electric capacity 20 chargings, and nine pin current potentials of integrated circuit 12 are increased to certain value gradually, and then the octal level is zero.Integrated circuit 13 is owing to voltage out of hand, and on-off circuit cuts out, and doorbell sound stops.

Owner be away from home with key with door locked after, 9 of changeover switches are in " b " position, at this moment circuit is in pre-alarm state, this moment infrared ray sensor 5, integrated circuit 12, triode 24, duty when the duty of integrated circuit 13 all is in " a " position with switch 9 is the same, if messenger owner at this moment, the breakdown door lock, changeover switch 9 is got back to " a " position, giving alarm condition eliminates, messenger is if not owner, reach four in the action of given visual field, six, after eight times, the infrared sensor received signal, at this moment triode 24 colelctor electrodes are high level, then by diode 26, electric capacity 27 will receive four, six, it is integrated circuit chip 14 that eight actuating signals are sent into counting circuit, one of this integrated circuit chip, six, high level appears in seven pin successively, and by diode 28,29,30 driven for emitting lights diodes 2, (being alarm lamp) send and give the indication of warning light.If messenger does not still leave given visual field, and move twice once more, and then counter 14 accumulative total is moved number and is reached ten times, and high level appears in its 11 pin, coupled controllable silicon 31 conductings, signal adds to warning circuit, and promptly integrated circuit chip 15, warning circuit 15 work, and drive loudspeaker 32 sound that gives the alarm, or by the socket 33 of raising one's voice, external loudspeaker is to reach the purpose of long-distance alarm.If coming human action ten times leaves away with interior, automatically close behind this circuit delay, if messenger destroys infrared ray sensor 5 or door is illegally opened, then trigger switch 6 actions immediately, make on-off circuit 14, controllable silicon 31 and warning circuit 15 work, and make loudspeaker 32 send warning.When door was subjected to sharp pounding, also with immediately trigger switch 6 was the same for shock-activated switch 8, can reach the purpose of reporting to the police immediately.After controllable silicon 31 conductings, must place " b " position to turn-off changeover switch 9 with key, otherwise warning circuit will be worked down always.

Automatically light immediately after infrared ray sensor 5 receives the human body radiation signal at the illuminating lamp 3 of unblanking that connect in the circuit night, and behind given delay time, extinguish automatically.

Claims (2)

1, a kind of safety door that has autoalarm that is welded by the double-level-metal plate is characterized in that: infrared ray sensor (5), door lock hole (1), illuminating lamp (3), alarm lamp (2) are installed on the door leaf external door panel; Trigger switch (6) immediately is equipped with in door leaf hinge face top; The electronic control circuit plate (7) of the amplifying circuit (12) be made up of integrated circuit chip, power switch circuit (13), counting circuit (14), warning circuit (15), doorbell circuit (16) is housed in the double-layer door cavity, and the switching of door key is connecting that control is reported to the police and a, the b end of two kinds of conversion of operation state switches of doorbell (9).

2, the safety door that has autoalarm according to claim 1, it is characterized in that: the S end of infrared ray sensor (5) connects the 12 pin of integrated circuit (12) by resistance (17), connect resistance (18) between one pin, six pin, its nine pin connects the delay circuit of resistance (19), electric capacity (20) composition, also be connected with the anode of diode (21) simultaneously, seven pin, octal that its negative terminal connects integrated circuit chip (12) link to each other with five pin of integrated circuit (13); And integrated circuit 13 two, tripod is connected with the normally closed contact of changeover switch (9), a normal opened contact " a " of changeover switch (9) connects the octal of integrated circuit chip (16); , integrated (13) two, be serially connected with resistance (35), light resistor (36) on the tripod, be connected to triode (37) between two resistance, its emitter stage is connected with the illuminating lamp of unblanking (3); One pin of integrated (12) is serially connected with diode (22), resistance (23) and triode (24) base stage, and its colelctor electrode connects electric capacity (25), and electric capacity (25) other end connects a pin of integrated circuit (16); Also be serially connected with diode (26) and electric capacity (27) on the colelctor electrode of triode (24), the electric capacity other end links to each other with the 14 pin of integrated circuit (14); One, six, seven pin of this integrated circuit connect diode (28,29,30) anode respectively, and their negative terminals are connected together mutually and are connected to light emitting diode (2); The 11 pin of integrated circuit (14) is connected with controllable silicon (31), sell end and Vdd that controllable silicon (31) connects integrated circuit 15 hold, and are also connecting loudspeaker (32), remote speaker socket (33), contact of trigger switch (6) and a contact of shock-activated switch (8) immediately simultaneously; Trigger switch (6) is connected a pin of integrated circuit chip (13) with another contact of shock-activated switch (8) immediately, another contact of shock-activated switch (8) connects the D end of infrared ray sensor (5), connects the 4th pin of integrated circuit chip (12) simultaneously.

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