CN2444033Y

CN2444033Y - Burglar-proof alarm lock for door

Info

Publication number: CN2444033Y
Application number: CN 00254479
Authority: CN
Inventors: 韩涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-10-08
Filing date: 2000-10-08
Publication date: 2001-08-22
Anticipated expiration: 2010-10-08

Abstract

The utility model relates to a theft-prevention alarm door lock, which is composed of a door lock and an electronic theft-prevention alarm unit, wherein, the electronic theft-prevention alarm unit comprises an electronic theft-prevention alarm, the output end of a transformer of an external power is connected with the input end of the power of the electronic theft-prevention alarm, the output end of the electronic theft-prevention alarm is externally connected with a loudspeaker, a pair of contacts are arranged in a lock core of the door lock, one of the contacts is connected with a bond strap of a 3P wire of the host machine of the electronic theft-prevention alarm, and the other contact is connected with a live wire which connects the host machine of the electronic theft-prevention alarm with the loudspeaker. The utility model can send out an alarm for illegal unlocking, and has the advantages of the reliable performance and safe operation.

Description

A kind of burglar-proof alarm door lock

The utility model relates to a kind of burglar-proof alarm door lock.

The security relationship of door is stable to entire society, each works the case of forcing open the door is exactly a great criminal case, be directly connected to people's life, property safety, thereby the safety of door has become the focal issue of government and people's concern, now be a sneak thief, generally all adopt the opposite house body to strengthen intensity, thereby various metal security door arise at the historic moment for taking precautions against, but this class security door can not the detecting intrusion behavior and is sent alarm sound, and the offender can utilize the special tool of preparation still can successfully pry open door; Moreover be subjected to the restriction of house-owner's economy or objective environment and can not settle the room of security door for those, a little less than the common wooden door anti-damage ability of its arrangement, more can't resist forcing open the door of offender.

The purpose of this utility model provides a kind of practicality and the good burglar-proof alarm door lock of result of use, and it is placed in Men Shangke makes this have the function of safety precaution.

For achieving the above object, the utility model is taked following design scheme: this burglar-proof alarm door lock, constitute by door lock, electronic anti-theft alarm unit, described electronic anti-theft alarm unit comprises: an electronic anti-theft alarm, the transformer output of one external power supply connects the power input of electronic anti-theft alarm, the external loudspeaker of the output of electronic anti-theft alarm, built-in lock pin pair of contact at door lock, wherein a contact is connected with the ground strap of the 3P line of electronic anti-theft alarm main frame, and another contact is connected loudspeaker with the electronic anti-theft alarm main frame live wire links to each other.

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

Fig. 1 is the utility model structural representation

Fig. 2 is the utility model circuit theory schematic diagram

As shown in Figure 1, the utility model mainly is to be made of door lock 1, electronic anti-theft alarm unit (electronic anti-theft alarm 3, loudspeaker 4, transformer 5).

Electronic anti-theft alarm 3 can adopt existing car alarm (is YTQF-168D, 838B, DC-150 etc. as model).

Transformer 5 becomes civil power 220V voltage transition the operating voltage of electronic anti-theft alarm.For enlarging the sound that electronic anti-theft alarm sent, electronic anti-theft alarm is exported external loudspeaker 4.

In the lock core 101 built-in pair of contact 2 of door lock 1, wherein a contact is connected with the ground strap 3P1 line of electronic anti-theft alarm main frame by lead, and another lead is connected loudspeaker with the electronic anti-theft alarm main frame live wire 3P2 line links to each other.This contact position can touch after metal key 2 is inserted, and for guaranteeing the reliability of its contact, every function contact can be made as a plurality of minutes contacts, is positioned on a plurality of positions of lock core, makes metal key 102 insert the back and guarantees to have at least any to contact.

The electronic anti-theft alarm unit can be split type composition (as shown in Figure 1), also each parts (electronic anti-theft alarm 3, loudspeaker 4, transformer 5) can be placed in the shell to be integral formula.

When being used for iron gate, for guaranteeing operate as normal, the key contact site in Men Tiyu inserts door lock is provided with insulating layer 6.

Operating principle of the present utility model is: by means of the function of auto electronic burglar alarm self, its work of remote control setting or closing state, when in the house nobody the time, set it for the work alarm condition, when putting in the lock core with metal tools or key if any the burglar, pair of contact is communicated with, makes electronic anti-theft alarm send alarm signal, loudspeaker pipe, people around the prompting, there is burglar's row to steal, makes the burglar not be in the mood for continuing crime, reach the safety precaution effect.Before owner opened the door, telecontrolled cut got final product.

The utility model has the advantage of: dependable performance, use safety.

Claims

1, a kind of burglar-proof alarm door lock, constitute by door lock, electronic anti-theft alarm unit, described electronic anti-theft alarm unit comprises: an electronic anti-theft alarm, the transformer output of one external power supply connects the power input of electronic anti-theft alarm, the external loudspeaker of the output of electronic anti-theft alarm, it is characterized in that: in the built-in lock pin pair of contact of door lock, wherein a contact is connected with the ground strap of the 3P line of electronic anti-theft alarm main frame, and another contact is connected loudspeaker with the electronic anti-theft alarm main frame live wire links to each other.

2, burglar-proof alarm door lock according to claim 1 is characterized in that: establish a plurality of minutes contacts on a plurality of positions of lock core.

3, theftproof alarm door according to claim 1 is characterized in that: the key contact site in Men Tiyu inserts door lock is provided with insulating layer.