CN2854719Y

CN2854719Y - Anti-theft alarm for door and window

Info

Publication number: CN2854719Y
Application number: CN 200520144258
Authority: CN
Inventors: 胡士中
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-13
Filing date: 2005-12-13
Publication date: 2007-01-03
Anticipated expiration: 2015-12-13

Abstract

The utility model comprises a sensor unit, a control unit, and an alarming unit that are sequentially connected, wherein the sensor unit comprises at least a set of sensors for detecting relative displacement and is disposed at the hinge edge of a door/window frame or door/window sash or open edge corresponding to the hinge edge, and each set comprises at least two sensors. When door/window is deformed by external force, the door/window frame and the door/window sash generate discordant relative displacement; the sensors of each sensor unit take asynchronous movements and set off alarm through said control unit and alarming unit. The utility model has a simple structure, and can easily achieve reliable alarm.

Description

The door window antitheft alarm

Technical field

The utility model relates to a kind of warning device, is a kind of door window antitheft alarm specifically.

Technical background

Existing door and window is anti-outside destroy, for example roll destructions such as sled, adopt the strength of reinforcing door and window and locking to realize mostly by door and window, this reinforcing has increased the production cost and the technology difficulty of door and window undoubtedly, and other use the burglar alarm of infrared detection, for when door and window is closed, by the starting stage of outside destroy, infrared ray fails in time to detect, so the effect of detection alarm is relatively poor.

The utility model content

The utility model has overcome above-mentioned shortcoming, provides a kind of simple in structure, the door window antitheft alarm that corresponding speed is fast.

The technical scheme in the invention for solving the technical problem is: a kind of door window antitheft alarm, comprise the sensor unit, control module and the caution unit that connect in turn, described sensor unit comprises at least one group of sensor that is used to detect relative displacement, every group of sensor is at least two, and be arranged on the hinged limit of sash or bar or the unlatching limit relative with hinged limit, be used for the relative motion between detecting gate window frame and the bar.

Described control module can comprise a single-chip microcomputer, and links to each other with the caution unit with described sensor unit respectively.

Also can comprise total monitoring unit, described total monitoring unit links to each other with described single-chip microcomputer.

Described control module can comprise two relays, and described two relays comprise a normally opened contact and a normally closed contact respectively, and corresponding described each sensor comprises at least two contacts.

A normally closed contact in described each sensor can be parallel with one another, and be in series with the coil of first relay, another normally closed contact of each sensor is series connection and be in series with the coil of second relay mutually successively, and the normally opened contact of described caution unit and described first relay and the normally closed contact of second relay are in series.

Described warning circuit can comprise a hummer or a pilot lamp.

Described sensor can comprise optoelectronic switch, near switch, Hall switch, travel switch, microswitch etc.

The utility model comprises sensor unit, control module and the caution unit that connects in turn, described sensor unit comprises at least one group of sensor that is used to detect relative displacement, every group of sensor is at least two, and is arranged on the hinged limit of sash or bar or the unlatching limit relative with hinged limit.When door or window are subjected to external force to produce deformation, inconsistent relative displacement between bar and the sash, the asynchronous action of the sensor of each sensor unit, and control described caution unit by described control module and send alarm.The utility model is simple in structure, realizes can realizing reliable warning easily.

Description of drawings

Fig. 1 is the circuit theory diagrams of embodiment 1

Fig. 2 is the circuit theory diagrams of embodiment 2

Fig. 3 is the mounting structure synoptic diagram of the middle sensor of embodiment 1 and 2

Embodiment

As shown in Figure 1, mainly comprise sensor unit A, control module B, caution unit C, described sensor unit A comprises three sensor SQ1 that have two normally closed contacts, SQ2, SQ3, described sensor can be near switch, travel switch, microswitch, optoelectronic switch, Hall element etc. can the inspected object relative displacement components and parts, described control module B comprises two relay K A1 and KA2, warn single C unit and comprise a warning lamp L, described each sensor SQ1, SQ2, after a normally closed contact among the SQ3 is parallel with one another, coil with a relay K A1 is in series again, after connecting successively, another normally closed contact in each sensor is in series the normally opened contact of described relay K A1 with another relay coil KA2 again, the normally closed contact of relay K A2 and the alarm lamp L as caution are in series.

Fig. 3 is the scheme of installation of described sensor, described sensor SQ1, SQ2, SQ3 are installed in respectively on the unlatching limit 3 on the described bar 2, and opening dispersed placement on the limit, can the detecting gate sash 2 with the relative displacement of sash 1, perhaps also can be installed on the hinged limit 4 that has hinge 5 of bar 2, perhaps also can be installed on the hinged limit 4 or the unlatching limit 3 that has door lock 6 relative with hinged limit of sash, to open or close in the closed procedure between the door and doorframe relative displacement synchronous normal as long as guarantee every group of sensor.

In the normal process of opening of door and window, every group of sensor synchronous working also opened, the normally opened contact closure of relay K A1, and the normally closed contact of relay K A2 is opened, and alarm lamp L still disconnects with power supply in the warning circuit, and alarm lamp L does not report to the police.When door and window is subjected to outside destroy, after rolling, clash into as sled, produce deformation, inconsistent relative displacement between bar and the sash, have only the operative sensor action among sensor groups SQ1, SQ2, the SQ3, at this moment, the normally opened contact of relay K A1 is still closed, the normally closed contact closure of relay K A2, alarm lamp L energized is lighted warning.Simple in structure in the present embodiment, move reliable and stablely, also can realize that the power supply of two kinds of power supplys of alternating current-direct current needs, and can normally not use even have under the commercial power condition yet by power circuit.

Embodiment 2 as shown in Figure 2, comprise sensor unit A, control module B and caution unit C, described sensor unit comprises two groups, every group of three sensors, be respectively SQ1, SQ2, SQ3 and SQ4, SQ5, SQ6, the output of described each sensor is connected to the corresponding data end of the single-chip microcomputer U among the control module B, the output terminal of described single-chip microcomputer U connects described caution unit C, described caution unit can be realized by the hummer S that triode Q drives, described single-chip microcomputer U can also connect an overhead control cells D by communication interface, can realize the antitheft control of a plurality of door and windows or the unified management and the control of multiple watch-dog.

The scheme of installation of present embodiment as shown in Figure 3, described sensor SQ1, SQ2, SQ3 are installed in respectively on the unlatching limit 3 on the described bar 2, and opening dispersed placement on the limit 3, described sensor SQ4, SQ5, SQ6 are installed on the hinged limit 4 of bar, make each sensor can the detecting gate sash 2 with the relative displacement of sash 1, perhaps also can be installed in respectively on the hinged limit or the unlatching limit 3 relative with hinged limit of sash, to open or close in the closed procedure between the door leaf and doorframe relative displacement synchronous normal as long as guarantee every group of sensor.

In the normal process of opening of door and window, every group of sensor SQ1, SQ2, when SQ3 moves simultaneously, described single-chip microcomputer U control caution hummer is not worked, when door and window is subjected to outside destroy, after rolling, clash into as sled, produce deformation, inconsistent relative displacement between bar and the sash, during the action of part among sensor SQ1, SQ2, the SQ3, the described single-chip microcomputer U control hummer alarm sound of sounding.The present embodiment circuit structure is simple, and can be by the multiple different controls of chip microcontroller.

Sensor in the utility model can be installed on sliding door or window, translation door or the window, and as required one or more groups can be installed.

More than door window antitheft alarm provided by the utility model is described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims

1. door window antitheft alarm, it is characterized in that: comprise the sensor unit, control module and the caution unit that connect in turn, described sensor unit comprises at least one group of sensor that is used to detect displacement, every group of sensor is at least two, and is arranged on the hinged limit of sash or bar or the unlatching limit relative with hinged limit.

2. door window antitheft alarm according to claim 1 is characterized in that: described control module comprises a single-chip microcomputer, and links to each other with the caution unit with described sensor unit respectively.

3. door window antitheft alarm according to claim 2 is characterized in that: also comprise total monitoring unit, described total monitoring unit links to each other with described single-chip microcomputer.

4. door window antitheft alarm according to claim 1 is characterized in that: described control module comprises two relays, and described two relays comprise a normally opened contact and a normally closed contact respectively, and corresponding described each sensor comprises at least two contacts.

5. door window antitheft alarm according to claim 4, it is characterized in that: a normally closed contact in described each sensor is parallel with one another, and be in series with the coil of first relay, another normally closed contact of each sensor is series connection and be in series with the coil of second relay mutually successively, and the normally opened contact of described caution unit and described first relay and the normally closed contact of second relay are in series.

6. according to the described door window antitheft alarm in each in the claim 1～5, it is characterized in that: described warning circuit comprises a hummer or a pilot lamp.

7. according to the described door window antitheft alarm in each in the claim 1～5, it is characterized in that: described sensor comprises optoelectronic switch, near switch, Hall switch, stroke beginning, microswitch etc.