CN2604745Y - Window curtain type alarming net - Google Patents

Abstract

The utility model discloses curtain-type alarm netting, consisting of both upper and lower supporting sliding bars, a slip-ring, an insulating metal guard netting and an alarm control circuit. The upper and lower ends of the metal netting is connected to the sliding bars through the slip-ring and the metal netting is a integral netting with a plurality of regular meshes as the mesh knots are formed by random winding of the longitudinal and transversal insulating wires. A plurality of dry reed pipes which can pull on with a ferromagnet are cascaded with the two stile wires on the netting and the head-tail ends of the a plurality of insulating wires at the upper and lower terminal of the net are randomly assembled to a plurality of group end-to-end junction wires correspondingly cut-in to the alarm control circuit to form a circuit loop and effect an alarm. The utility model has the advantages of proper structure, simple installation, convenient operation and maintenance, sensitive and reliable alarm, no effect on windows for daylight, and improved aesthetic of windows, and is suitable for application on windows of various building.

Description

A kind of window curtain type warning network

Technical field

The utility model belongs to the burglar alarm technical field, specifically relates to the window curtain type warning network that is used for the building window burglar alarm.

Background technology

The method of building window burglar alarm is a lot, but net formula break alarm is to use more a kind of electronic anti-theft technology, net formula break alarm, utilize the insulated metal net sealing window space that is arranged on the window exactly, when the insulated metal net is destroyed, current return just is cut off in the warning system control circuit, produces circuit breaker or because of short circuit causes that electric current changes in the alarm control circuit, reports to the police thereby cause burglar alarm.Name is called a kind of Chinese utility model patent of net formula wire break alarm device, disclose a kind of like this technology, cross one another by many eradications edge metal wire exactly and twine the back and form bulk metal net and alarm control circuit and combine with a plurality of regular mesh, the bulk metal net is fixed on the window, again the wire netting metal wire is communicated with alarm control circuit, has just formed warning device.The wrong report and the rate of failing to report of this net formula wire break alarm device are lower, have good theftproof performance.But it is but not too convenient in force, since bulk metal Netcom often all be antitheft on-the-spot with the insulated metal line on-the-spotly connect making, professional construction personnel integral installation, construction is loaded down with trivial details, efficient is low, and outward appearance is also lack of standardization, influenced the buildings good looking appearance, this problem is more apparent outstanding in particular on the heritage buildings time, and wire netting is fixed on the buildings, maintain and replace is also just very difficult, because above-mentioned defective makes the application of net formula wire break alarm device in the building window burglar alarm be restricted.

Summary of the invention

The purpose of this utility model provides a kind of function admirable of reporting to the police, do not influence that but buildings good looking appearance batch production typing is produced, installation and maintenance are all very convenient and window curtain type warning network that can beautifying constructure window profile.

In order to achieve the above object, the utility model adopts following constructional device: a kind of window curtain type warning network, by last lower support slide bar, slip ring, insulated metal protection network and alarm control circuit combine, be characterized in: insulated metal protection network upper and lower side is connected on the lower support slide bar by the corresponding slip cap of slip ring, the insulated metal protection network is to utilize many horizontal and vertical insulated metal lines to cross mutually to twine anastomose and the bulk metal net that have a plurality of regular mesh of formation, anastomose between the mesh is by laterally reaching vertical insulated metal line up and down arbitrarily alternately disorderly to twining the cover junction structure that forms, wire netting two stiles on also have a plurality of tongue tubes to be connected in the insulated metal line, terminal is thoroughly done away with the equal combination in any arrangement in head and the tail termination of edge metal wire more about the wire netting, form many winding point lines that head and the tail communicate respectively, the corresponding respectively control contact that inserts in the alarm control circuit of two lines of every group, an end of a line is by parallel resistor R14 and diode D13 and triode T ₁₁Collector connect after resistance in series R again ₁₂The back connects power supply, triode T ₁₁Base stage pass through resistance R ₁₁Connect scrambler B, the other end then connects triode T ₁₂Base stage, triode T ₁₂Collector series resistance R ₁₃Connect power supply, also by diode D ₁₁And D ₁₂Connect triode T respectively ₁₁Collector and the triode T in the warning circuit ₁Base stage, triode T ₁Collector connect triode T ₂Base stage, triode T ₁, T ₂Collector pass through resistance R respectively ₂, R ₃, D ₂Connect power supply and pass through voltage stabilizing diode D ₁, resistance R ₃Connect the simulation K switch _M, triode T ₂Emitter connect triode T ₃Base stage, triode T ₃Collector connection relay and power supply, thereby form current return with alarm control circuit.

In the structure of above-mentioned window curtain type warning network, described slip ring forms for the hollow tubular bending, be installed with the insulated metal line that is communicated with wire netting in the hollow tubular, and the scrambler in the described alarm control circuit can replace also with multivibrator.

Because the structure of the similar fishnet that the insulated metal protection network is made up of a plurality of meshes, a plurality of anastomoses between the mesh then are to utilize up and down the laterally any unordered noose formation of braided wire and longitudinal knitted line, make the position of every wires on whole wire netting change, its location track spreads all over whole wire netting, be provided with the insulated metal line that is communicated with wire netting in the slip ring that insulated metal protection network upper and lower side connection slide bar is used, make the current return that whole wire netting has formed many irregular connections, utilize the head and the tail terminations of thoroughly doing away with the edge metal wire to form many winding point lines connection control circuits that head and the tail communicate respectively more, as in any turn-off current loop a bit, control circuit will be realized reporting to the police, and a plurality of tongue tubes on two sides of insulated metal protection network be be installed in the window body of wall in just conducting of the corresponding adhesive of magnet, leave magnet as tongue tube, control circuit also can be reported to the police, the principle of work of alarm control circuit is, when the scrambler of corresponding connection with metal wire is output as one state, just during noble potential, pass through resistance R ₁₁Supply with triode T ₁₁Base bias current, T ₁₁Conducting, T ₁₁Collector is output as " 0 " state, electronegative potential just, and this current potential is by metal wire and resistance R ₁₄Supply with triode T ₁₂Base stage zero offset electric current, this moment, T12 did not answer conducting, and its collector output also should be noble potential, but under the normal condition, Vc passes through resistance R by power supply ₁₃With diode D ₁₁And T ₁₁So conducting is T ₁₂Collector still export electronegative potential " 0 " warning network operate as normal, do not report to the police, when scrambler was output as electronegative potential " 0 ", the bias current of the base stage of T11 was " 0 ", so T ₁₁End, its collector is output as noble potential " 1 ", again by metal wire and resistance R ₁₄Supply with triode T ₁₂Base bias current makes T ₁₂Conducting, and its collector is output as electronegative potential " 0 ", if metal wire is cut off T ₁₂Base stage can not get bias current can not conducting, and its collector output noble potential " 1 " drives warning circuit and reports to the police.If short circuit between the metal wire is because the sign indicating number of each scrambler output is different, as the triode T of a scrambler ₁₁Current collection very during noble potential " 1 ", always has the triode Tn of certain scrambler ₁Collector output electronegative potential " 0 ", and make its conducting, and the noble potential of T11 collector is T ₁₂The bias current that base stage provides is connected with the collector of T11 by bypass diode Dn3 and short circuit is fallen, and makes T ₁₂Can not conducting, collector is output as noble potential and triggers warning circuit and report to the police.Warning circuit is during alarm condition, triode T ₁Not conducting, T ₂, T ₃Conducting, T is worked as in the relay J adhesive ₁₂Collector output noble potential makes T ₁Obtain base bias current and conducting, its current collection is electronegative potential very, will make T ₂, T ₃Complex pipe is zero ending because of base bias current, and at this moment, relay J discharges, contact J _-1Disconnect causing and report to the police, and because T ₂, T ₃Ending of complex pipe, its current collection is noble potential very, again by voltage stabilizing diode D ₁Add a positive potential for the control utmost point of analog switch KM, make K _MConducting also just makes complex pipe T ₂, T ₃Base stage end because of keeping an electronegative potential, form self-locking state.In case triggered warning, need restart power supply and could eliminate alarm condition.

Because the utility model has adopted the said structure principle, make this apparatus structure more rationally, just as the simple and practical and easy construction of common curtain is installed, can realize opening circuit and short-circuit alarming and sensitive reliable, can carry out push-and-pull and maintenance easily and not influence the daylighting of window, can also increase the overall aesthetics of buildings.Be suitable for installing and using at the window of all kinds of buildingss.

Description of drawings

Fig. 1 is a structural principle synoptic diagram of the present utility model

Fig. 2 is an alarm control circuit schematic diagram of the present utility model

Embodiment

From Fig. 1 and Fig. 2, can find out structure of the present utility model, a kind of window curtain type warning network, by last lower support slide bar 5, slip ring 3, insulated metal protection network 4 and alarm control circuit combine, last lower support slide bar 5 is separately fixed at the top and the lower end of window, insulated metal protection network 4 upper and lower sides are connected on the lower support slide bar 5 by slip ring 3 corresponding slip caps, making insulated metal protection network 4 can laterally do sliding push-pull opens and closes, slip ring 3 forms for the hollow tubular bending, be installed with the insulated metal line that is communicated with wire netting in the hollow tubular, the two ends, the left and right sides of insulated metal protection network 4 respectively with window body of wall two ends on jig 1 and 9 fixed or movable connections of snap close, the active connection place is locked by lockset 8 and body of wall, but open lockset 8 opening-closing metal protection networks 4, insulated metal protection network 3 is to utilize many horizontal and vertical insulated metal lines to cross mutually to twine a plurality of anastomoses 10 of formation, and bulk metal net with a plurality of regular mesh, anastomose 10 between the mesh is by laterally each eradication edge metal wire and a vertical insulated metal line are alternately random in arbitrarily twining the cover junction structure that forms up and down, wire netting two stiles on also respectively have two tongue tubes 6 to be connected in the insulated metal line, tongue tube 6 respectively be imbedded in window both sides body of wall on magnet 7 corresponding adhesives, terminal is thoroughly done away with the equal combination in any arrangement in head and the tail termination of edge metal wire more about the wire netting, form many winding point lines 2 that head and the tail communicate respectively, the group number of its line is then determined according to the size of window.Corresponding respectively control contact E, the F that inserts in the alarm control circuit of two lines of every group.To be illustrated as example, an end of a line in wherein a group is by parallel resistor R ₁₄With diode D ₁₃With triode T ₁₁Collector connect back resistance in series R ₁₂The back connects power supply VC, triode T ₁₁Base stage pass through resistance R ₁₁Connect scrambler B, the other end then connects triode T ₁₂Base stage, triode T ₁₂Collector series resistance R ₁₃Connect power supply, also by diode D ₁₁And D ₁₂Connect triode T respectively ₁₁Collector and the triode T in the warning circuit ₁Base stage, triode T ₁Collector connect triode T ₂Base stage, triode T ₁, T ₂Collector pass through resistance R respectively ₂, R ₃, D ₂Connect power supply and pass through voltage stabilizing diode D ₁, resistance R ₃Connect the simulation K switch _M, triode T ₂Emitter connect triode T ₃Base stage, triode T ₃Collector connection relay B and power supply VC, thereby form current return with alarm control circuit.Also can replace scrambler B in the alarm control circuit with multivibrator in actual applications, its principle of work is identical with result of use.

Claims (3)

1. window curtain type warning network, by last lower support slide bar, slip ring, insulated metal protection network and alarm control circuit combine, it is characterized in that: insulated metal protection network upper and lower side is connected on the lower support slide bar by the corresponding slip cap of slip ring, the insulated metal protection network is to utilize many horizontal and vertical insulated metal lines to cross mutually to twine anastomose and the bulk metal net that have a plurality of regular mesh of formation, anastomose between the mesh is by laterally reaching vertical insulated metal line up and down arbitrarily alternately disorderly to twining the cover junction structure that forms, wire netting two stiles on also have a plurality of tongue tubes to be connected in the insulated metal line, terminal is thoroughly done away with the equal combination in any arrangement in head and the tail termination of edge metal wire more about the wire netting, form many winding point lines that head and the tail communicate respectively, the corresponding respectively control contact that inserts in the alarm control circuit of two lines of every group, an end of a line is by parallel resistor R ₁₄With diode D ₁₃With triode T ₁₁Collector connect after resistance in series R again ₁₂The back connects power supply, triode T ₁₁Base stage pass through resistance R ₁₁Connect scrambler, the other end then connects triode T ₁₂Base stage, the collector series resistance R of triode T12 ₁₃Connect power supply, also by diode D ₁₁And D ₁₂Connect triode T respectively ₁₁Collector and the triode T in the warning circuit ₁Base stage, triode T ₁Collector connect triode T ₂Base stage, triode T ₁, T ₂Collector pass through resistance R respectively ₂, R ₃, D ₂Connect power supply and pass through voltage stabilizing diode D ₁, resistance R ₃Connect the simulation K switch _M, triode T ₂Emitter connect triode T ₃Base stage, triode T ₃Collector connection relay and power supply, thereby form current return with alarm control circuit.

2. window curtain type warning network according to claim 1 is characterized in that: described slip ring 3 forms for the hollow tubular bending, is installed with the insulated metal line that is communicated with wire netting in the hollow tubular.

3. window curtain type warning network according to claim 1 is characterized in that: the scrambler B in the described alarm control circuit can replace with multivibrator.

Images