CN2909411Y - Anti-theft alarm device - Google Patents
Anti-theft alarm device Download PDFInfo
- Publication number
- CN2909411Y CN2909411Y CN 200620012711 CN200620012711U CN2909411Y CN 2909411 Y CN2909411 Y CN 2909411Y CN 200620012711 CN200620012711 CN 200620012711 CN 200620012711 U CN200620012711 U CN 200620012711U CN 2909411 Y CN2909411 Y CN 2909411Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- switch
- broken string
- radio transmitter
- bumps
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
The utility model is a new alarming apparatus for theft prevention, which comprises a sensing unit, a control unit and an alarm unit. The sensing unit includes a detect circuit, a magnetic gate circuit and a touch-breaking circuit, these circuits are parallelly connected with each other and connect to the control host of the control unit via radio transmission or cable transmission, the processed signal from the control host is transmitted to the microphone of alarm unit via radio or cable transmission, and to an alarm center. The non contact detector(active or inactive infrared detector) is controlled by a limit switch(SQ1) or an unidirectional control switch(RS1) arranged on the door or window, magnetic gate switch(SQ2) is controlled by a limit switch(RS1) set on the door or window, and the touch-breaking circuit has a single or a coupled touch-breaking switch. This sensitive and stable apparatus has a perfect protection function in one direction and can be easily installed, so it has strong practicability.
Description
Technical field
The utility model relates to a kind of novel anti-theft warning device, is a kind of warning device that can unidirectional control.
Background technology
Burglar alarm on the market is a lot of now, detection and detection technique are also very ripe, as main passive infrared detection, door status switch detection and burn out detection or the like, all has good warning effect, but in actual use, also have many defectives,, also be badly in need of perfect as the unidirectional control of inconvenience.For example door status switch is mainly used in the relative displacement between detecting gate window frame and the bar, in case door and window is opened, promptly can touch alarm, even owner is Lai Kai, also can touch alarm.And the broken string switch is the intrusion that is used for taking precautions against the stranger, and broken string touches alarm thereupon, but only otherwise break line, no matter how this detection line moves can not touched alarm.Be exactly infrared acquisition in addition, being used for indoor main device now is exactly passive infrared detector, whether there is the people movable in the defence area in order to detect, when having detected people's activity, then can touch alarm, general house-owner can close warning horn when being in, and will be neglectful in taking precautions this moment, and warning horn also just can not play the effect of a strick precaution, and the deploying troops on garrison duty and withdraw a garrison and all undertaken by telepilot or main frame of existing warning horn, it is not very convenient using.
The utility model content
At above-mentioned defective, the purpose of this utility model is to provide a kind of burglar alarm comprehensive, easy to use that protects.
The technical solution adopted in the utility model is: a kind of novel anti-theft warning device, form by sensor unit, control module and caution unit, described sensor unit comprises detection circuit, door magnetic circuit and bumps the broken string circuit, described each circuit is parallel with one another, and be connected with main control system in the described control module by the mode of wireless transmit or wired output, by this main control system the signal of input is delivered to loudspeaker arrangement in the described caution unit in the mode of wireless transmit or wired output after treatment again, also alarm signal is sent to alarm center simultaneously.
Described sensor unit comprises detection circuit and testing circuit, and described detection circuit comprises contactless detector, and described testing circuit comprises a magnetic circuit and bumps the broken string circuit.
Described contactless detector is controlled by the limit switch (SQ1) or the unidirectional gauge tap (RS1) that are arranged on the door and window, comprise limit switch (SQ1), detector (FR), radio transmitter and wired output circuit, perhaps limit switch (SQ1) is substituted by unidirectional gauge tap (RS1), described limit switch (SQ1) [or unidirectional gauge tap (RS1)] with by detector (FR), the parallel circuit series connection of radio transmitter and wired output circuit composition parallel with one another, and the output terminal of described detector (FR) is connected respectively to described radio transmitter and described wired output circuit input end, and described wired output circuit output terminal is connected to the input end of described main control system.
Described door magnetic (door and window is spacing) switch (SQ2) is controlled by the unidirectional gauge tap (RS1) that is arranged on the door and window, described door magnetic (door and window is spacing) switch (SQ2) is connected with a parallel circuit of being made up of radio transmitter and wired output circuit by unidirectional gauge tap (RS1), and the output terminal of this wired output circuit is connected to the input end of described main control system.
The described broken string circuit that bumps comprises and bumps broken string normal open circuit and bump the broken string normally-closed circuit, described bump the broken string normal open circuit comprise at least one bump the broken string normal open switch (SQ3 and SQ4 parallel connection), radio transmitter and wired output circuit, the described broken string normal open switch and connecting that bumps by the circuit after radio transmitter and the wired output circuit parallel connection, be connected to the input end of described main control system through the output terminal of described wired output circuit, the receiving end of the corresponding described main control system of the transmitting terminal of described radio transmitter; The described broken string normally-closed circuit that bumps comprises that at least one bumps broken string normally closed switch (SQ5 and SQ6 series connection), relay coil (KA1), relay normally closed contact (KA2), radio transmitter and wired output circuit, the described broken string normally closed switch that bumps is connected with described relay coil (KA1) with described relay normally closed contact (KA2) simultaneously, behind the parallel circuit that one of described relay normally closed contact (KA2) series connection is made up of radio transmitter and wired output circuit, in parallel with described relay coil (KA1) again, the output terminal of described wired output circuit is connected to the input end of described main control system, the receiving end of the corresponding described main control system of the transmitting terminal of described radio transmitter.
The described single or paired setting of switch of breaking of bumping of bumping in the broken string circuit.
Described unidirectional gauge tap comprises lever, movable lug, hinge, movable contact spring, stretching spring and compressing spring, described movable lug is connected with described lever with described compressing spring simultaneously, described lever fixes its point of rotation by described hinge, and be connected with described stretching spring, described movable contact spring and described lever flexibly connect.
The described broken string switch that bumps comprises rocking bar, spring adjustment bolt, extension spring, slide bar, collision block and travel switch, described spring is adjusted bolt is connected described rocking bar by described extension spring a end, when described slide bar is connected with described rocking bar, also the position is connected to described collision block therebetween, and in a side of described collision block described travel switch is set.
Described novel anti-theft warning device also can include telechiric device, is used to control closing of this device.This telechiric device can be connected with main control system, with so that burglar alarm does not produce alerting signal, can also be connected with described detection circuit, described door magnetic circuit and the described power supply that bumps the broken string circuit, control the Push And Release of various piece by the mode of cutting off the electricity supply.
The beneficial effects of the utility model are owing to be provided with unidirectional gauge tap, so can carry out unidirectional protection, can not cause because of owner and take place in the situation that produces false alarm, can make the relieved use of people, and reach best strick precaution effect.In addition, owing to bump the broken string switch with single or paired mode setting, thus can be better, more fully set up defences, detection line can not be allowed to optionally touch yet, and touches promptly and reports to the police, and sensitivity is higher, can carry out omnibearing protection to door and window, and not stay the dead angle.The stable performance of this burglar alarm, installation simply have very strong generalization.And adopt wireless and wired two kinds of type of alarms, and can carry out multiple caution, even owner stays out, also can the very first time notify the Security Services, so that it reaches the spot as early as possible, thereby reduce the loss.
Description of drawings
Fig. 1 is the basic circuit of the utility model embodiment and forms synoptic diagram.
Fig. 2 is the structural representation of the unidirectional gauge tap of the utility model embodiment.
Fig. 3 is the structural representation of the another kind of unidirectional gauge tap of the utility model embodiment.
Fig. 4 bumps the structure and the scheme of installation of broken string switch for the utility model embodiment.
Fig. 5 bumps the structure and the scheme of installation of broken string switch for the utility model embodiment another kind.
Fig. 6 bumps three kinds of protection form sketches of the single or paired setting of broken string switch for the utility model embodiment.
Symbol description
1: lever; 2: movable lug;
3: hinge; 4: movable contact spring;
5: the stretching spring; 6: compressing spring;
7: rocking bar; 8: spring is adjusted bolt;
9: extension spring; 10: slide bar;
11: collision block; 12: travel switch;
13; Bayonet socket; 14: fulcrum;
15: support column; 16: wired input end;
17: main control system; 18: the wireless interface receiving end;
19: wireless transmit; 20: wired output;
21: wired alarm bell; 22: wireless alarm bell;
23: alarm center; 24: switch;
25: the contact; 26: detection line;
SQ1: limit switch; RS1: unidirectional gauge tap;
SQ2: door status switch (door and window limit switch); FR: detector;
SQ3, SQ4: bump the broken string normal open switch; KA1: relay coil;
SQ5, SQ6: bump the broken string normally closed switch; KA2: relay normally closed contact;
W: radio transmitter; Y: wired output circuit
Embodiment
Embodiment of the present utility model provides a kind of novel anti-theft warning device, by sensor unit, control module and caution unit are formed, sensor unit comprises detection circuit, door magnetic circuit and bump the broken string circuit, as shown in Figure 1, each circuit is parallel with one another, and be connected with main control system 17 in the control module by the mode of wireless transmit or wired output, by this main control system 17 signal of input is delivered to the loudspeaker arrangement of warning in the unit in the mode of wireless transmit 19 or wired output 20 after treatment again, this loudspeaker arrangement comprises wired alarm bell 21 and wireless alarm bell 22, also alarm signal is sent to alarm center 23 simultaneously.
Sensor unit comprises detection circuit and testing circuit, and detection circuit comprises contactless detector, and testing circuit comprises a magnetic circuit, bumps the normal open circuit of broken string and bumps the broken string normally-closed circuit.
Contactless detector is controlled by the limit switch SQ1 that is installed on the door and window, comprise limit switch SQ1, detector FR, radio transmitter W and wired output circuit Y, limit switch SQ1 with by detector FR, the parallel circuit series connection of radio transmitter W and wired output circuit Y composition parallel with one another, and the output terminal of detector FR is connected respectively to the input end of radio transmitter W and wired output circuit Y, the output terminal of wired output circuit then is connected to wired input end 16 of main control system 17, and the wireless signal that radio transmitter W sends is sent to the wireless interface receiving end 18 of main control system 17.
The door status switch SQ2 of door magnetic circuit is controlled by the unidirectional gauge tap RS1 that is installed on the door and window in the testing circuit, door status switch SQ2 connects with a parallel circuit of being made up of radio transmitter W and wired output circuit Y by unidirectional gauge tap RS1, the output terminal of this wired output circuit Y is connected to the input end 16 of main control system 17, and the wireless signal that radio transmitter W sends is sent to the wireless interface receiving end 18 of main control system 17.
The normal open circuit of broken string that bumps that bumps in the broken string circuit comprises radio transmitter W, wired output circuit Y, two bumping broken string normal open switch SQ3 and bumping broken string normal open switch SQ4 of being connected in parallel, what be connected in parallel bumps broken string normal open switch SQ3 and bumps broken string normal open switch SQ4 and connected by the circuit after radio transmitter W and the wired output circuit Y parallel connection, be connected to the input end 16 of main control system 17 through the output terminal of wired output circuit, the receiving end 18 of the corresponding main control system 17 of the transmitting terminal of radio transmitter W; Bumping the broken string normally-closed circuit comprises and bumps broken string normally closed switch SQ5, bump broken string normally closed switch SQ6, relay coil KA1, relay normally closed contact KA2, radio transmitter W and wired output circuit Y, bump broken string normally closed switch SQ5 and bump broken string normally closed switch SQ6 and be cascaded, be connected with relay coil KA1 with relay normally closed contact KA2 simultaneously by bumping broken string normally closed switch SQ6, behind the parallel circuit that one of relay normally closed contact KA2 series connection is made up of radio transmitter W and wired output circuit Y, in parallel with relay coil KA1 again, the output terminal of wired output circuit Y is connected to the input end 16 of main control system 17, the wireless interface receiving end 18 of the corresponding main control system 17 of the transmitting terminal of radio transmitter W.
Bump broken string in the circuit to bump the broken string switch can be single setting, also can be paired setting, shown in Fig. 6 A, Fig. 6 B, Fig. 6 C and Fig. 6 D.
Unidirectional gauge tap RS1 comprises lever 1, movable lug 2, hinge 3, movable contact spring 4, stretching spring 5 and compressing spring 6, as shown in Figure 2.Movable lug 2 is connected with a compressing spring 6 in the left side, movable lug 2 bayonet socket 13 places above it are plugged with a lever 1, and above bayonet socket 13 left sides, with movable lug 2 horizontal direction parallels a movable contact spring 4 is installed, lever 1 is double at same plane inner bending 90 degree, and form a little bending at the front end of lever 1, to block bayonet socket 13, a stretching spring 5 is installed at the place in 1 second inflection point of lever, with truck dead lever 1, hinge 3 also is installed, so that lever 1 has a fixing point of rotation on that section lever between twice bending.When lever 1 moves up along the direction of A, the front end of lever 1 breaks away from bayonet socket 13 (C point just) and upwards lifts, movable lug 2 ejects to the right in the effect lower edge of compressing spring 6 B direction, simultaneously lever 1 with movable contact spring 4 the D point edge direction identical jack-up that makes progress with A, originally closed contact 25 is separated, and the front end of lever 1 will place on the E face this moment.When movable lug 2 retractions, lever 1 falls back to bayonet socket 13 (C point) under the effect of stretching spring 5, to block movable lug 2, simultaneously owing to the falling of movable contact spring 4, makes contact 25 closures of separation.
Unidirectional gauge tap RS1 makes it finish the unidirectional warning of opening in order to the power supply DC of control gate magnetic switch SQ2, and the detector outside also can the pulpit is as the structure of Fig. 1.When door and window is closed, be contained in the movable lug 2 that sliding door and window opens on the limit and be compressed, this moment power supply DC the closing of contact, door status switch SQ2 work.In the time of legal opening, move along the direction of A to pull moving lever 1, contact 25 is separated, movable lug 2 is released; Behind opening of doors and windows, movable lug 2 ejects, and the front end of lever 1 will place on the E face, thereby finish self-locking, door status switch SQ2 does not give the alarm owing to there is not power supply, when door and window is closed once more, and door status switch SQ2 energising, be in the state of deploying troops on garrison duty, if door and window is opened from the outside, then door status switch SQ2 reports to the police.Equally also can use unidirectional gauge tap RS1 as shown in Figure 3, just change has taken place in shape, the closure of stretching spring 5 and the direction that is provided with of movable contact spring 4 of lever, this moment, movable contact spring 4 was installed on the top that is positioned at bayonet socket 13, the position of keeping right, when lever 1 spurs to the left, lever 1 lifts movable contact spring 4 at the D point equally, and these all only are applicable to the door and window of translation.
Bump the broken string switch and comprise rocking bar 7, spring adjustment bolt 8, extension spring 9, slide bar 10, collision block 11 and travel switch 12, as shown in Figure 4.Spring is adjusted bolt 8 is connected rocking bar 7 by extension spring 9 a end, the other end of rocking bar 7 is connected with the support column 15 of bottom surface by a fulcrum 14, when slide bar 10 was connected with rocking bar 7, also the position was connected to collision block 11 therebetween, and below collision block 11 travel switch 12 was installed.Select suitable detection line 26 as required, for example wire rope and nylon rope etc., the one end toggles in need detection place, can mounted in pairs, and the other end is installed on the rocking bar 7 that (this switch is installed in needs the place of taking precautions against, also can change the hidden installation of direction that detects rope) by angle sheave, the closer to fulcrum 14, the sensitivity of system is also just high more, tightens detection line 26, and adjust bolt 8 by spring and regulate the pulling force of extension spring 9, thereby obtain required tension force.The position of adjusting slide bar 10 and collision block 11 at last makes it as shown in FIG., when detection line 26 is subjected to the external force pulling, must drive rocking bar 7, slide bar 10 and collision block 11 move along the direction of A, if detection line fracture, the effect that is subjected to spring force is rocking bar 7 then, slide bar 10 and collision block 11 move along the direction of B, no matter be A to move or B to motion, the capital changes travel switch 12, its original closed contact is opened, originally the closing of contact that was opened, link to each other with alarm host machine by selecting often to open output or normally closed output, can finish and detect and warning when needed.Be that travel switch 12 was upspring by the effect of spring force, thereby reports to the police after collision block 11 was drawn back among Fig. 4, and in Fig. 5, collision block 11 splits are installed relatively, act on identical with collision block among Fig. 4.When slide bar 10 drives collision block 11 move left and right, make the closing of contact that was opened originally in the travel switch 12, therefore produce alerting signal.
As shown in Figure 4 and Figure 5, this only finishes with two kinds of a kind of task different forms, and travel switch among the figure and attached triggering collision block thereof can replace with the switch of other displacement monitoring, as near switch and magnetic switch etc.
As shown in Figure 1, used the limit switch SQ1 (or adopting unidirectional gauge tap RS1) that is installed on the door and window and be installed on the outer infrared eye FR of door and window in the infrared acquisition circuit.After door and window is closed, limit switch SQ1 closure, infrared eye FR energising is in running order, when the stranger attempts near door and window, will inevitably enter in the strick precaution zone of infrared eye FR, thus output alarm signal and reporting to the police.And when indoor people comes in and goes out via door, must open door earlier, and limit switch SQ1 is disconnected, thereby cut off the power supply of infrared eye FR, quit work, indoor people is is freely come in and gone out insusceptibly.To the defence of window too.When closing the doors and windows once more, infrared eye FR will resume work, and it is very convenient to use like this.Unidirectional gauge tap RS1 is installed on the bar in the door magnetic circuit, can unite two into one with limit switch (door status switch), and when door and window is closed, unidirectional gauge tap RS1 closure, door status switch SQ2 opens, and enters detected state.When the stranger attempts to open door and window, door status switch SQ2 closure, thus produce alerting signal and report to the police.When indoor needs were opened door and window, as long as with the hand toggle switch, deenergization just can not produce alarm.And after closing the doors and windows, door status switch SQ2 can enter into detected state again, and it is easy to use.Bumping the bumping broken string switch of broken string in the circuit only needs as shown in Figure 1, installs the open in usual of selection or the normally closed type switch can use in the zone of required strick precaution, and it is simple in structure, and easy to use, function is original.
Below all can cooperate teleswitch to use, to make things convenient for owner at this novel anti-theft warning device of indoor or outdoors remote control.
Though with specific embodiment the present invention is described, have the knack of this skill person will know clearly can claims define below not breaking away from spirit of the present invention and scope in implement variations and modifications.No matter but it does any variation on shape or structure, the modification that every employing present technique is made all drops within the protection domain of the present utility model.
Claims (9)
1. novel anti-theft warning device, form by sensor unit, control module and caution unit, it is characterized in that, described sensor unit comprises detection circuit, door magnetic circuit and bumps the broken string circuit, described each circuit is parallel with one another, and be connected with main control system in the described control module by the mode of wireless transmit or wired output, by this main control system the signal of input is delivered to loudspeaker arrangement in the described caution unit in the mode of wireless transmit or wired output after treatment again, also alarm signal is sent to alarm center simultaneously.
2. novel anti-theft warning device as claimed in claim 1 is characterized in that described sensor unit comprises detection circuit and testing circuit, and described detection circuit comprises contactless detector, and described testing circuit comprises a magnetic circuit and bumps the broken string circuit.
3. novel anti-theft warning device as claimed in claim 2, it is characterized in that, described contactless detector is controlled by the limit switch (SQ1) or the unidirectional gauge tap (RS1) that are arranged on the door and window, comprise limit switch (SQ1), detector (FR), radio transmitter and wired output circuit, described limit switch (SQ1) with by detector (FR), the parallel circuit series connection of radio transmitter and wired output circuit composition parallel with one another, and the output terminal of described detector (FR) is connected respectively to described radio transmitter and described wired output circuit input end, and described wired output circuit output terminal is connected to the input end of described main control system.
4. novel anti-theft warning device as claimed in claim 1 or 2, it is characterized in that, described door status switch (SQ2) is controlled by the unidirectional gauge tap (RS1) that is arranged on the door and window, described door status switch (SQ2) is connected with a parallel circuit of being made up of radio transmitter and wired output circuit by unidirectional gauge tap (RS1), and the output terminal of this wired output circuit is connected to the input end of described main control system.
5. novel anti-theft warning device as claimed in claim 1 or 2, it is characterized in that, the described broken string circuit that bumps comprises and bumps broken string normal open circuit and bump the broken string normally-closed circuit, described bump the broken string normal open circuit comprise at least one bump the broken string normal open switch (SQ3 and SQ4 parallel connection), radio transmitter and wired output circuit, the described broken string normal open switch and connecting that bumps by the circuit after radio transmitter and the wired output circuit parallel connection, be connected to the input end of described main control system through the output terminal of described wired output circuit, the receiving end of the corresponding described main control system of the transmitting terminal of described radio transmitter; The described broken string normally-closed circuit that bumps comprises that at least one bumps broken string normally closed switch (SQ5 and SQ6 series connection), relay coil (KA1), relay normally closed contact (KA2), radio transmitter and wired output circuit, the described broken string normally closed switch that bumps is connected with described relay coil (KA1) with described relay normally closed contact (KA2) simultaneously, behind the parallel circuit that one of described relay normally closed contact (KA2) series connection is made up of radio transmitter and wired output circuit, in parallel with described relay coil (KA1) again, the output terminal of described wired output circuit is connected to the input end of described main control system, the receiving end of the corresponding described main control system of the transmitting terminal of described radio transmitter.
6. novel anti-theft warning device as claimed in claim 3 is characterized in that, the described single or paired setting of switch of breaking of bumping of bumping in the broken string circuit.
7. novel anti-theft warning device as claimed in claim 3, it is characterized in that, described unidirectional gauge tap comprises lever, movable lug, hinge, movable contact spring, stretching spring and compressing spring, described movable lug is connected with described lever with described compressing spring simultaneously, described lever fixes its point of rotation by described hinge, and be connected with described stretching spring, described movable contact spring and described lever flexibly connect.
8. novel anti-theft warning device as claimed in claim 3, it is characterized in that, the described broken string switch that bumps comprises rocking bar, spring adjustment bolt, extension spring, slide bar, collision block and travel switch, described spring is adjusted bolt is connected described rocking bar by described extension spring a end, when described slide bar is connected with described rocking bar, also the position is connected to described collision block therebetween, and in a side of described collision block described travel switch is set.
9. as any one described novel anti-theft warning device in the claim 1～8, it is characterized in that, also include telechiric device, be used to control closing of this device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620012711 CN2909411Y (en) | 2006-04-07 | 2006-04-07 | Anti-theft alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620012711 CN2909411Y (en) | 2006-04-07 | 2006-04-07 | Anti-theft alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2909411Y true CN2909411Y (en) | 2007-06-06 |
Family
ID=38128631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620012711 Expired - Fee Related CN2909411Y (en) | 2006-04-07 | 2006-04-07 | Anti-theft alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2909411Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024307A (en) * | 2010-11-16 | 2011-04-20 | 正裕电器配件(昆山)有限公司 | Wire break alarm device |
| CN102358541A (en) * | 2011-08-31 | 2012-02-22 | 日立电梯（中国）有限公司 | Weighing device |
| CN108831076A (en) * | 2018-07-11 | 2018-11-16 | 湖南科技大学 | A kind of outward opening security door trigger signal emitter |
-
2006
- 2006-04-07 CN CN 200620012711 patent/CN2909411Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024307A (en) * | 2010-11-16 | 2011-04-20 | 正裕电器配件(昆山)有限公司 | Wire break alarm device |
| CN102024307B (en) * | 2010-11-16 | 2013-05-08 | 正裕电器配件(昆山)有限公司 | Wire break alarm device |
| CN102358541A (en) * | 2011-08-31 | 2012-02-22 | 日立电梯（中国）有限公司 | Weighing device |
| CN108831076A (en) * | 2018-07-11 | 2018-11-16 | 湖南科技大学 | A kind of outward opening security door trigger signal emitter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201408461Y (en) | Steel wire gate group capable of giving alarm | |
| CN201539179U (en) | Automatic vehicle window closing device | |
| EP3287584B1 (en) | Method and mechanism for automatically detecting door or window faults | |
| CN2909411Y (en) | Anti-theft alarm device | |
| CN103195324A (en) | Automatic automobile door system capable of preventing hurt caused by clipping | |
| CN103400430A (en) | Metro door safety monitoring system based on video light curtain | |
| CN203422813U (en) | Access control anti-theft alarm system of power distribution station | |
| CN107590932B (en) | Door plug alarm | |
| CN204917509U (en) | A monitoring and alarm device for hoistway door is opened unusually | |
| CN103237425A (en) | Self-monitoring communication case | |
| CN203318279U (en) | Vehicle door-opening protective device | |
| CN202711440U (en) | Self-check system of intrusion detector | |
| CN101684717B (en) | Safe curtain capable of giving alarm | |
| CN204029066U (en) | The security system of self-help bank | |
| CN210417870U (en) | Intelligent renewable resource recycling box | |
| JP4162543B2 (en) | Glass breakage detector | |
| CN203376814U (en) | Intelligent audio and video protective system of bank self-service equipment protective cabinet | |
| CN112031615B (en) | Anti-theft safety door with violence intrusion prevention function and use method | |
| CN105551166A (en) | Video monitoring alarm roll-up window | |
| CN106647643A (en) | Home toxic gas monitoring system | |
| CN201972550U (en) | Non-contact all-directional monitoring anti-theft door system | |
| CN201095942Y (en) | Window type alarming guard rail | |
| CN102296925B (en) | Noncontact security detection device | |
| CN2835512Y (en) | Automatic alarming theftproof guard rail | |
| CN207566647U (en) | A kind of control device for preventing accidental movement of elevator cage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |