CN209728976U

CN209728976U - A kind of Intelligent optical fiber laser anti-theft system

Info

Publication number: CN209728976U
Application number: CN201920380851.1U
Authority: CN
Inventors: 林建宝
Original assignee: Nan'an Jianjin Industrial Design Co Ltd
Current assignee: Nan'an Jianjin Industrial Design Co Ltd
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2019-12-03
Anticipated expiration: 2029-03-25

Abstract

The utility model provides a kind of Intelligent optical fiber laser anti-theft system, including including host antitheft system, window theft-proof system and door lock burglary-resisting system, the window theft-proof system and door lock burglary-resisting system pass through optical fiber and connect with host antitheft system, the host antitheft system includes protective housing, anti theft host and reserve battery, the top of the anti theft host is equipped with warning light and alarm bell by bolt, the warning light is mounted on the side of alarm bell, emergency caller is installed on the outside of the anti theft host, the side of the protective housing is equipped with chamber door by hinge, the outside of the anti theft host is equipped with switch one by bolt, the bottom of emergency caller is arranged in the switch one, the side of the chamber door is equipped with handle one, the inside of the groove one is provided with lock pin, one end of the steel disc is welded with spring two, the light The side of control panel is arranged in fine laser lamp, and Intelligent optical fiber laser anti-theft system design rationally, is suitble to promote.

Description

A kind of Intelligent optical fiber laser anti-theft system

Technical field

The utility model relates to fiber laser device field, specially a kind of Intelligent optical fiber laser anti-theft system.

Background technique

Burglary-resisting system is exactly to be deployed troops on garrison duty with detector Discussion on architecture primary location and region.It can detect non-in time Method invasion, and when being detected with illegal invasion, it warns in time to the relevant personnel, for example door status switch, glass breaking alarm Device etc. can effectively detect external people and invade, and infrared detector can perceive activity etc. of the personnel in building, once people, which occurs, invades behavior, Time, the place of invasion can be recorded in time, while issuing alarm signal by warning device to be made in the building in city Monitoring device gradually increases, and then many people begin to focus on the use of monitoring device.As people are right in society The cognition of inherently safe degree and life comfort level improves, and property safety etc. requires to obtain larger range of protection, therefore Various safety and protection systems are just come into being, and wherein burglary-resisting system is one of most representational safety precaution facility, At present common burglary-resisting system all have many advantages, such as substantially it is easy for installation, using simple, anti-tampering ability by force, high sensitivity, energy Enough meet the antitheft requirement in most family, market, engineering and warehouse, however, for most burglary-resisting system, On the one hand, itself does not have antitheft and tamper-proof ability, is easy to be destroyed or stolen by lawless people, to make its mistake Anti-theft function is gone, so that the protection of property safety can not be carried out effectively, on the other hand, most of burglary-resisting system all can only be into Row effectively monitors broken window, and is effectively alarmed, when glass is had no vibration or the lesser feelings of Oscillation Amplitude It cuts, can not effectively sound an alarm under condition, be unfavorable for the protection to indoor property, reduce antitheft ability, Zai Yifang Face, when underlit, when personnel need to open the door, personnel can not see lockhole clearly, cannot effectively insert a key into lock In hole, it is unfavorable for personnel and is quickly unlocked.

Utility model content

In view of the deficienciess of the prior art, the utility model aim is to provide a kind of Intelligent optical fiber laser anti-theft system, To solve the problems mentioned in the above background technology, the utility model structure novel, it is vdiverse in function, while use, Neng Goutong It crosses host antitheft system, window theft-proof system and the indoor property of door lock burglary-resisting system and is effectively carried out anti-theft protection.

To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of Intelligent optical fiber swashs Light burglary-resisting system, including host antitheft system, window theft-proof system and door lock burglary-resisting system, the window theft-proof system and door lock Burglary-resisting system passes through optical fiber and connect with host antitheft system, and the host antitheft system includes protective housing, anti theft host and standby Warning light and alarm bell are equipped with by bolt with the top of battery, the anti theft host, the warning light is mounted on alarm bell Side, emergency caller is installed on the outside of the anti theft host, the side of the protective housing is equipped with chamber door by hinge, The outside of the anti theft host is equipped with switch one by bolt, and the bottom of emergency caller is arranged in the switch one, described The side of the chamber door is equipped with handle one, and the side of the chamber door opens up fluted one and groove two, and the groove one is arranged In the side of groove two, the outside of handle one is arranged in the groove two, and the inside of the groove two is provided with spring one, described The inside of groove one is provided with lock pin, and the outside of the handle one is welded with steel disc, and one end of the steel disc is welded with spring two, The side of the protective housing opens up fluted three, and the inside of the groove three is welded with electromagnet, the outside installation of the chamber door There is coded lock, the window theft-proof system includes frame, glass and glass break detection device, and the glass is mounted on the interior of frame Side opens up fluted four on the glass, and the glass break detection device is mounted on glass by groove four, and glass breaking is visited It surveys device and optical-fiber laser lamp and laser inductor is equipped with by bolt, the optical-fiber laser lamp is mounted on glass break detection device Inside, the laser inductor are mounted on the outside of glass break detection device, and reflective layer, the door are coated on the outside of the glass Locking burglary-resisting system includes door lock, camera and handle two, and fingerprint inductor, the inside of the door lock are equipped on the handle two Vibration sensor is installed by bolt, the bottom of the handle two is equipped with headlamp and switch two, the photograph by bolt The side of switch two is arranged in bright lamp.

As a kind of preferred embodiment of the utility model, one end of the spring one is welded on one end of steel disc, institute State the side that the other end of spring one is welded on groove two around handle one.

As a kind of preferred embodiment of the utility model, one end of the spring two is welded on the other end of steel disc, The other end of the spring two is welded on the side of lock pin, and the lock pin is matched with electromagnet.

As a kind of preferred embodiment of the utility model, the size of the lock pin is respectively less than sized recess one and groove Two size, the protective housing are stainless steel protective housing, and the chamber door is tempered glass chamber door.

As a kind of preferred embodiment of the utility model, the optical-fiber laser lamp and laser inductor are arranged at recessed The two sides of optical-fiber laser lamp are arranged in the inside of slot four, the laser inductor.

As a kind of preferred embodiment of the utility model, the camera is mounted on the inside of door lock by bolt, The handle two is mounted on the outside of door lock.

As a kind of preferred embodiment of the utility model, fluted five are opened up on the inside of the door lock, the vibration Inductor is mounted on the inside of groove five by bolt, and lockhole is provided on the door lock, and lockhole is arranged in the headlamp Top.

As a kind of preferred embodiment of the utility model, the anti theft host and reserve battery are mounted on by bolt The inside of protective housing, the anti theft host are mounted on the top of reserve battery.

As a kind of preferred embodiment of the utility model, the reserve battery passes through electric wire and switch one and switch two Connection, the switch two are connect by electric wire with headlamp, and the switch one passes through electric wire and anti theft host, warning light, alarm Bell, emergency caller, electromagnet, coded lock, glass break detection device, optical-fiber laser lamp, laser inductor, camera, handle Two, fingerprint inductor is connected with vibration sensor.

As a kind of preferred embodiment of the utility model, the glass break detection device, laser inductor, password Lock, fingerprint inductor and vibration sensor connects by circuit with anti theft host, the anti theft host pass through circuit and warning light, Alarm bell is connected with electromagnet.

The utility model has the beneficial effects that a kind of Intelligent optical fiber laser anti-theft system of the utility model, including protective housing, Anti theft host, reserve battery, warning light, alarm bell, emergency caller, chamber door, switch, handle one, groove one, groove two, bullet Spring one, lock pin, steel disc, spring two, electromagnet, coded lock, frame, glass, glass break detection device, optical-fiber laser lamp, laser Inductor, reflective layer, door lock, camera, handle two, fingerprint inductor, vibration sensor, headlamp, switch two.

1. the Intelligent optical fiber laser anti-theft system by host antitheft system, window theft-proof system and door lock burglary-resisting system into Row is effective antitheft, and after lawless people enters the room, burglary-resisting system issues alarm, and opens warning light and alarm bell, antitheft Host opens electromagnet, so that electromagnet adsorbs lock pin, personnel can not open chamber door, by protective housing and chamber door to antitheft Host carries out antitheft and tamper-proof ability, and lawless people can not be destroyed or be stolen to anti theft host, to ensure anti- Function is stolen, to effectively carry out the protection of property safety.

2. the connecting plate of the Intelligent optical fiber laser anti-theft system by the glass break detection device in window theft-proof system into Row real-time monitoring, glass break detection device is able to carry out detection after glass is cracked, and can pass the signal to anti theft host, And alarmed by anti theft host, and open warning light and alarm bell, optical-fiber laser light irradiation laser, laser enters glass Afterwards, since the angle of laser and glass is smaller, so that laser is totally reflected in glass inner side, when laser injects the boundary of glass It is fired back by reflective layer, is finally sensed by laser inductor afterwards, when lawless people is by tool, glass is cut into without friction After slicing off, glass break detection device can not incude glass and be destroyed, at this point, laser is projected by glass cut, laser inductor Can not sense laser, or the laser sensed is seldom, can pass the signal to anti theft host, and by anti theft host into Row alarm, can not incude in glass break detection device and carry out effective security protection in the case that glass is destroyed, and protect The safety of property.

3. the Intelligent optical fiber laser anti-theft system is at work, when dark, personnel want to beat by key When door lock, two can be first turned on the switch, headlamp is opened, and illuminates to lockhole, personnel is enabled clearly to see lock clearly The position in hole facilitates personnel that can quickly open door lock, user under the situation that sight is protected convenient for inserting a key into lockhole Just.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of the host antitheft system of Intelligent optical fiber laser anti-theft system of the utility model；

Fig. 2 is a kind of cross-sectional view of the chamber door of Intelligent optical fiber laser anti-theft system of the utility model；

Fig. 3 is a kind of structural schematic diagram of the eccentric wheel of Intelligent optical fiber laser anti-theft system of the utility model；

Fig. 4 is a kind of structural schematic diagram of the window theft-proof system of Intelligent optical fiber laser anti-theft system of the utility model；

Fig. 5 is a kind of sectional side view of the window theft-proof system of Intelligent optical fiber laser anti-theft system of the utility model；

Fig. 6 is a kind of front elevational view of the window theft-proof system of Intelligent optical fiber laser anti-theft system of the utility model；

Fig. 7 is a kind of structural schematic diagram of the door lock burglary-resisting system of Intelligent optical fiber laser anti-theft system of the utility model；

Fig. 8 is a kind of front view of the door lock burglary-resisting system of Intelligent optical fiber laser anti-theft system of the utility model；

Fig. 9 is a kind of intelligence system schematic diagram one of Intelligent optical fiber laser anti-theft system of the utility model；

Figure 10 is a kind of intelligence system schematic diagram two of Intelligent optical fiber laser anti-theft system of the utility model；

In figure: 1- protective housing, 2- anti theft host, 3- reserve battery, 4- warning light, 5- alarm bell, 6- emergency caller, 7- Chamber door, 8- switch one, 9- handle one, 10- groove one, 11- groove two, 12- spring one, 13- lock pin, 14- steel disc, 15- spring Two, 16- electromagnet, 17- coded lock, 18- frame, 19- glass, 20- glass break detection device, 21- optical-fiber laser lamp, 22- swash Optical inductor, 23- reflective layer, 24- door lock, 25- camera, 26- handle two, 27- fingerprint inductor, 28- vibration sensor, 29- headlamp, 30- switch two.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Fig. 1 to Figure 10 is please referred to, the utility model provides a kind of technical solution: a kind of Intelligent optical fiber laser anti-theft system, Including host antitheft system, window theft-proof system and door lock burglary-resisting system, the window theft-proof system and door lock burglary-resisting system are equal It being connect by optical fiber with host antitheft system, the host antitheft system includes protective housing 1, anti theft host 2 and reserve battery 3, The top of the anti theft host 2 is equipped with warning light 4 and alarm bell 5 by bolt, and the warning light 4 is mounted on alarm bell 5 Side, the outside of the anti theft host 2 are equipped with emergency caller 6, and the side of the protective housing 1 is equipped with chamber door by hinge 7, the outside of the anti theft host 2 is equipped with switch 1 by bolt, and the bottom of emergency caller 6 is arranged in the switch 1 Portion, the side of the chamber door 7 are equipped with handle 1, and the side of the chamber door 7 opens up fluted 1 and groove 2 11, described Groove 1 is arranged in the side of groove 2 11, and the groove 2 11 is arranged in the outside of handle 1, the groove 2 11 it is interior Side is provided with spring 1, and the inside of the groove 1 is provided with lock pin 13, and the outside of the handle 1 is welded with steel disc 14, one end of the steel disc 14 is welded with spring 2 15, and the side of the protective housing 1 opens up fluted three, the groove three Inside is welded with electromagnet 16, and the outside of the chamber door 7 is equipped with coded lock 17, the window theft-proof system include frame 18, Glass 19 and glass break detection device 20, the glass 19 are mounted on the inside of frame 18, open up on the glass 19 fluted Four, the glass break detection device 20 is mounted on glass 19 by groove four, and glass break detection device 20 is installed by bolt There are optical-fiber laser lamp 21 and laser inductor 22, the optical-fiber laser lamp 21 is mounted on the inside of glass break detection device 20, institute The outside that laser inductor 22 is mounted on glass break detection device 20 is stated, the outside of the glass 19 is coated with reflective layer 23, described Door lock burglary-resisting system includes door lock 24, camera 25 and handle 2 26, and fingerprint inductor 27, institute are equipped on the handle 2 26 The inside for stating door lock 24 is equipped with vibration sensor 28 by bolt, and the bottom of the handle 2 26 is equipped with illumination by bolt The side of switch 2 30 is arranged in lamp 29 and switch 2 30, the headlamp 29.

As a kind of preferred embodiment of the utility model, one end of the spring 1 is welded on the one of steel disc 14 End, the other end of the spring 1 are welded on the side of groove 2 11 around handle 1.

As a kind of preferred embodiment of the utility model, one end of the spring 2 15 is welded on the another of steel disc 14 One end, the other end of the spring 2 15 are welded on the side of lock pin 13, and the lock pin 13 is matched with electromagnet 16.

As a kind of preferred embodiment of the utility model, the size of the lock pin 13 is respectively less than one 10 He of sized recess The size of groove 2 11, the protective housing 1 are stainless steel protective housing, and the chamber door 7 is tempered glass chamber door.

As a kind of preferred embodiment of the utility model, the optical-fiber laser lamp 21 and laser inductor 22 are all provided with It sets in the inside of groove four, the two sides of optical-fiber laser lamp 21 are arranged in the laser inductor 22.

As a kind of preferred embodiment of the utility model, the camera 25 is mounted on door lock 24 by bolt Inside, the handle 2 26 are mounted on the outside of door lock 24.

As a kind of preferred embodiment of the utility model, the inside of the door lock 24 opens up fluted five, the vibration Dynamic inductor 28 is mounted on the inside of groove five by bolt, and lockhole is provided on the door lock 24, and the headlamp 29 is arranged At the top of lockhole.

As a kind of preferred embodiment of the utility model, the anti theft host 2 and reserve battery 3 are installed by bolt In the inside of protective housing 1, the anti theft host 2 is mounted on the top of reserve battery 3.

As a kind of preferred embodiment of the utility model, the reserve battery 3 is by electric wire and switch 1 and opens Close 2 30 connections, the switch 2 30 is connect by electric wire with headlamp 29, the switch 1 pass through electric wire and anti theft host 2, Warning light 4, alarm bell 5, emergency caller 6, electromagnet 16, coded lock 17, glass break detection device 20, optical-fiber laser lamp 21, Laser inductor 22, camera 25, handle 2 26, fingerprint inductor 27 and vibration sensor 28 connect.

It is the glass break detection device 20, laser inductor 22, close as a kind of preferred embodiment of the utility model Code lock 17, fingerprint inductor 27 and vibration sensor 28 are connect by circuit with anti theft host 2, and the anti theft host 2 passes through electricity Road is connect with warning light 4, alarm bell 5 and electromagnet 16.

Working principle: the device is provided by internal external power supply and reserve battery for all electrical equipments of the present apparatus Required electric energy, and the device is connected by network and the mobile phone of homeowners, personnel are remotely monitored, this is used When device, host antitheft system, window theft-proof system and door lock burglary-resisting system are attached separately to desired position first, and pass through Optical fiber is connected with electric wire, is carried out the transmission of signal and electric energy, is turned on the switch 1, and there is vibration sensor 28 in the inside of door lock 24, when Anti theft host 2 can be passed the signal to after sensing the unlocking vibration of anti-convention, anti theft host 2 issues alarm, and opens police Lamp 4 and alarm bell 5 are reported, after fingerprint inductor 27 senses the fingerprint of stranger, personnel can be reminded by signal, and by taking the photograph As the picture of stranger is transmitted on the mobile phone mobile phone of personnel by head, personnel can be monitored by mobile phone, and personnel being capable of root Judged according to picture, it is effective to handle, it can effectively avoid false alarm, the glass break detection device 20 in window theft-proof system Real-time monitoring is carried out, glass break detection device 20 is able to carry out detection after glass is cracked, and can pass the signal to antitheft Host 2, and alarmed by anti theft host 2, and open warning light 4 and alarm bell 5, optical-fiber laser lamp 21 irradiates laser, swashs After light enters glass 19, since the angle of laser and glass 19 is smaller, so that laser is totally reflected on the inside of glass 19, when It is fired back behind the boundary of laser injection glass by reflective layer 23, is finally sensed by laser inductor 22, when lawless people is logical Tool is crossed, by glass 19 after without friction cut away, glass break detection device 20 can not incude glass 19 and be destroyed, at this point, swashing Light is projected by glass cut, and laser inductor 22 can not sense laser, or the laser sensed is seldom, can be by signal It is transmitted to anti theft host 2, and is alarmed by anti theft host 2, can not incude glass quilt in glass break detection device 20 Effective security protection is carried out in the case where destruction, protects the safety of property, after lawless people enters the room, burglary-resisting system hair It alarms out, and opens warning light 4 and alarm bell 5, anti theft host 2 opens electromagnet 16, so that electromagnet 16 adsorbs lock pin 13, Personnel can not open chamber door 7, and antitheft and tamper-proof protection is carried out to anti theft host 2 by protective housing 1 and chamber door 7, illegal Personnel can not destroy or steal to anti theft host 2, to ensure anti-theft function, and then effectively carry out property safety Protection when personnel want to open door lock 24 by key, can first turn on the switch 2 30, headlamp when dark 29 open, and illuminate to lockhole, personnel is enabled clearly to see the position of lockhole clearly, convenient for inserting a key into lockhole, side Person who happens to be on hand for an errand person can quickly open door lock under the situation that sight is protected, easy to use.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, it is right For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from In the case where the spirit or essential attributes of the utility model, the utility model can be realized in other specific forms.Therefore, nothing By from the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, the scope of the utility model by Appended claims rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes be embraced therein.It should not treat any reference in the claims as limiting related power Benefit requires.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims

1. a kind of Intelligent optical fiber laser anti-theft system, it is characterised in that: including host antitheft system, window theft-proof system and door lock Burglary-resisting system, the window theft-proof system and door lock burglary-resisting system pass through optical fiber and connect with host antitheft system, the host Burglary-resisting system includes protective housing (1), anti theft host (2) and reserve battery (3), passes through bolt at the top of the anti theft host (2) Warning light (4) and alarm bell (5) are installed, the warning light (4) is mounted on the side of alarm bell (5), the anti theft host (2) Outside be equipped with emergency caller (6), the side of the protective housing (1) is equipped with chamber door (7) by hinge, the antitheft master The outside of machine (2) is equipped with switch one (8) by bolt, and the switch one (8) is arranged in the bottom of emergency caller (6), institute The side for stating chamber door (7) is equipped with handle one (9), and the side of the chamber door (7) opens up fluted one (10) and groove two (11), In the side of groove two (11), groove two (11) setting is described in the outside of handle one (9) for the groove one (10) setting It is provided with spring one (12) on the inside of groove two (11), lock pin (13), the handle are provided on the inside of the groove one (10) It is welded on the outside of one (9) steel disc (14), one end of the steel disc (14) is welded with spring two (15), the protective housing (1) Side opens up fluted three, and the inside of the groove three is welded with electromagnet (16), is equipped with password on the outside of the chamber door (7) It locks (17), the window theft-proof system includes frame (18), glass (19) and glass break detection device (20), the glass (19) It is mounted on the inside of frame (18), fluted four are opened up on the glass (19), the glass break detection device (20) passes through recessed Slot four is mounted on glass (19), and glass break detection device (20) is equipped with optical-fiber laser lamp (21) and laser induced by bolt Device (22), the optical-fiber laser lamp (21) are mounted on the inside of glass break detection device (20), laser inductor (22) peace It mounted in the outside of glass break detection device (20), is coated with reflective layer (23) on the outside of the glass (19), the antitheft system of door lock System includes door lock (24), camera (25) and handle two (26), is equipped with fingerprint inductor (27), institute on the handle two (26) The inside for stating door lock (24) is equipped with vibration sensor (28) by bolt, and the bottom of the handle two (26) is installed by bolt There are headlamp (29) and switch two (30), the headlamp (29) is arranged in the side of switch two (30).

2. a kind of Intelligent optical fiber laser anti-theft system according to claim 1, it is characterised in that: the spring one (12) One end is welded on one end of steel disc (14), and the other end of the spring one (12) is welded on groove two (11) around handle one (9) Side.

3. a kind of Intelligent optical fiber laser anti-theft system according to claim 1, it is characterised in that: the spring two (15) One end is welded on the other end of steel disc (14), and the other end of the spring two (15) is welded on the side of lock pin (13), the lock Pin (13) is matched with electromagnet (16).

4. a kind of Intelligent optical fiber laser anti-theft system according to claim 1, it is characterised in that: the ruler of the lock pin (13) The very little size for being respectively less than sized recess one (10) and groove two (11), the protective housing (1) are stainless steel protective housing, the chamber door It (7) is tempered glass chamber door.

5. a kind of Intelligent optical fiber laser anti-theft system according to claim 1, it is characterised in that: the optical-fiber laser lamp (21) and laser inductor (22) is arranged at the inside of groove four, and the laser inductor (22) is arranged in optical-fiber laser lamp (21) two sides.

6. a kind of Intelligent optical fiber laser anti-theft system according to claim 1, it is characterised in that: the camera (25) is logical The inside that bolt is mounted on door lock (24) is crossed, the handle two (26) is mounted on the outside of door lock (24).

7. a kind of Intelligent optical fiber laser anti-theft system according to claim 1, it is characterised in that: the door lock (24) it is interior Side opens up fluted five, and the vibration sensor (28) is mounted on the inside of groove five by bolt, sets on the door lock (24) It is equipped with lockhole, the top of lockhole is arranged in the headlamp (29).

8. a kind of Intelligent optical fiber laser anti-theft system according to claim 1, it is characterised in that: the anti theft host (2) The inside of protective housing (1) is mounted on by bolt with reserve battery (3), the anti theft host (2) is mounted on reserve battery (3) Top.

9. a kind of Intelligent optical fiber laser anti-theft system according to claim 1, it is characterised in that: the reserve battery (3) It is connect by electric wire with switch one (8) and switch two (30), the switch two (30) is connect by electric wire with headlamp (29), institute It states switch one (8) and passes through electric wire and anti theft host (2), warning light (4), alarm bell (5), emergency caller (6), electromagnet (16), coded lock (17), glass break detection device (20), optical-fiber laser lamp (21), laser inductor (22), camera (25), Handle two (26), fingerprint inductor (27) and vibration sensor (28) connection.

10. a kind of Intelligent optical fiber laser anti-theft system according to claim 1, it is characterised in that: the glass breaking is visited Device (20), laser inductor (22), coded lock (17), fingerprint inductor (27) and vibration sensor (28) is surveyed to pass through circuit and prevent Host (2) connection is stolen, the anti theft host (2) is connect by circuit with warning light (4), alarm bell (5) and electromagnet (16).