CN104240462A - Defence area bypass system of alarm system - Google Patents
Defence area bypass system of alarm system Download PDFInfo
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- CN104240462A CN104240462A CN201410440395.7A CN201410440395A CN104240462A CN 104240462 A CN104240462 A CN 104240462A CN 201410440395 A CN201410440395 A CN 201410440395A CN 104240462 A CN104240462 A CN 104240462A
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Abstract
The invention relates to the field of public security alarm systems, in particular to a defence area bypass system of an alarm system. The input end of the bypass system is connected with a monitoring probe of the alarm system. The output end of the bypass system is connected with an expansion board of the alarm system. The output end of the extension board is connected with an alarm mainframe of the alarm system. The bypass system comprises a bypass part and a control part. The monitoring probe is connected with the input end of the bypass part. The output end of the bypass part is connected with the extension board. The control part is connected with the control end of the bypass part. According to the defence area bypass system of the alarm system, bypass conducted on output signals of a detector is achieved on the aspect of hardware, only effective alarm information can be uploaded according to the actual situation of a defence area, noneffective alarm information is completely not uploaded, manual or timing automatic bypass operation can be achieved, the pressure of a bus is greatly relieved, and the problem of data jam is solved.
Description
Technical field
The present invention relates to the defence area bypath system in public safety alarm system field, particularly a kind of warning system.
Background technology
Along with the continuous increase of security protection application, the units such as some large-scale museum, tourist district, exhibition centers also improve constantly the requirement of security protection, therefore large-scale warning system all can be installed by these units, comprises multiple alarm host machine and multiple monitoring probe (these probes can be infrared, microwave, infrared microwave dual technology detector etc.), but alarm host machine directly can only connect the probe of about 10 usually, when probe One's name is legion, need the accessory by warning system and defence area expansion board access alarm host machine, usually every block defence area expansion board can control 8 probes, installation 30 pieces of defence area expansion boards are just needed to realize as a warning system needs management 250 to pop one's head in, each block defence area expansion board is connected with the data communication bus interface of alarm host machine respectively by two data lines, data communication bus interface due to alarm host machine only has an interface, when 30 pieces of defence area expansion boards use simultaneously, be equivalent to data bus interface and be connected in parallel 30 data lines, and alarm host machine meeting is real-time and defence area expansion board carries out communication, so the problem caused is: in the environment that some more complicated are changeable, as museum, tourist district, exhibition centers etc. can because the stream of people be more, often to have a mind to or inadvertent free is arranged on the probe of exhibition room, the information that probe receives is transmitted to alarm host machine by defence area expansion board, thus make a large amount of status datas continuously be sent to alarm host machine, the bus communication of alarm host machine is caused to block, even make whole warning system in paralyzed state, causing reports to the police reports late and does not report accident.Although existing warning system also has the function of bypass, this bypass functionality carries out investigation analyzing and processing after receiving information by software to alarm host machine, and the information can not uploaded detector carries out bypass process.
Summary of the invention
The present invention is directed to problems of the prior art, a kind of defence area bypath system of warning system is proposed, achieve from hardware and bypass process is carried out to the output signal of detector, can filter warning message according to the actual conditions in defence area, invalid warning message is not uploaded completely, significantly reduce the pressure of bus, solve the problem of data blocking.
Technical matters to be solved by this invention is achieved by the following technical solution:
A kind of defence area bypath system of warning system, the input end of bypath system connects the monitoring probe of warning system, the output terminal of bypath system connects the expansion board of warning system, the output terminal of described expansion board connects the alarm host machine of warning system, described bypath system comprises bypass segment and control section, described monitoring probe is connected with the input end of bypass segment, and the output terminal of bypass segment is connected with described expansion board, and described control section is connected with the control end of bypass segment.
Further, control section comprises single-chip microcomputer, and the clock circuit, communicating circuit and the power circuit that are connected with single-chip microcomputer respectively, bypass segment comprises four bilateral analog switch, triode Q1, triode Q2, bypass resistance R4, the input interface of four bilateral analog switch is connected with the output interface of monitoring probe by line end resistance RX, the output interface of four bilateral analog switch is connected with bypass resistance R4 and expansion board respectively, the other end of described bypass resistance R4 is connected with the collector of triode Q2, the base stage of triode Q2 is connected with the collector of triode Q1 and resistance R3 respectively, the other end of resistance R3 is connected with positive 5V power supply, the base stage of triode Q1 is connected with the output interface of single-chip microcomputer and the control interface of four bilateral analog switch respectively by resistance R5.
Particularly, the resistance of bypass resistance R4 equals the resistance of the line end resistance of described monitoring probe; The single-chip microcomputer of described control section is the single-chip microcomputer that every sheet has that 32 tunnels control output interface, and the number N of the bypass segment that every sheet single-chip microcomputer connects is less than or equal to 16.
Further, also comprise host computer, host computer is connected with control section, keeper selectes defence area by host computer, then each defence area is carried out manually or the setting of deploying troops on garrison duty or withdraw a garrison of timing automatic, host computer is by the information transmission of setting to control section, and control section utilizes single-chip microcomputer by command to bypass segment.
The present invention has the following advantages and good effect:
The present invention achieves from hardware and carries out bypass to the output signal of detector, only can upload effective warning message according to the actual conditions in defence area, invalid warning message is not uploaded completely, and manual or timing automatic bypass operation can be realized, significantly reduce the pressure of bus, solve the problem of data blocking.
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Accompanying drawing explanation
Fig. 1 is schematic block diagram of the present invention;
Fig. 2 is the schematic block circuit diagram of bypath system of the present invention;
Fig. 3 is the theory diagram of control section of the present invention;
Fig. 4 is the theory diagram of bypass segment of the present invention;
Fig. 5 is the theory diagram of four bilateral analog switch of bypass segment of the present invention;
Fig. 6 is example schematic of the present invention.
Embodiment
Fig. 1 is schematic block diagram of the present invention.As shown in Figure 1, a kind of defence area bypath system of warning system, the input end of bypath system connects the monitoring probe of warning system, the output terminal of bypath system connects the expansion board of warning system, the output terminal of expansion board connects the alarm host machine of warning system, and bypath system comprises bypass segment and control section, and monitoring probe is connected with the input end of bypass segment, the output terminal of bypass segment is connected with described expansion board, and control section is connected with the control end of bypass segment.
As shown in Figure 1, as an embodiment, the control section of bypath system of the present invention connects 16 bypass segments, and 16 detectors connect 2 pieces of defence area expansion boards.For a large-scale warning system, 1 alarm host machine can connect 30 pieces of defence area expansion boards, and every block defence area expansion board connects 8 detectors, and 30 pieces of defence area expansion boards connect 240 detectors, then need 240 bypass segments, 15 cover bypath system of the present invention.
Fig. 2 is the schematic block circuit diagram of bypath system of the present invention, and Fig. 3 is the theory diagram of control section of the present invention.Shown in composition graphs 2 and Fig. 3, control section comprises single-chip microcomputer, and the clock circuit, communicating circuit and the power circuit that are connected with single-chip microcomputer respectively; Clock circuit is made up of crystal oscillator Y1, electric capacity C12, electric capacity C13, power circuit is made up of 12V DC power supply (not shown), electric capacity C1, C9, C8, C2, voltage stabilizing chip U3, U4, wherein electric capacity C1, C8, C9, C2 strobes, voltage stabilizing chip U3 exports 5V burning voltage, voltage stabilizing chip U4 exports 9V burning voltage, and resistance R1, LED 1 form power indicating circuit; Communicating circuit is made up of RXD, the TXD in the P3 mouth of communication chip U1, electric capacity C4, C5, C6, C7 and single-chip microcomputer, single-chip microcomputer model is AT89S52, be responsible for the reception to bypass instruction, decoding and control, output interface is P0.0 to P0.7, P1.0 to P1.7, P2.0 to P2.7 respectively.
Fig. 4 is the theory diagram of bypass segment of the present invention, and Fig. 5 is the theory diagram of four bilateral analog switch of bypass segment of the present invention.As shown in Figure 5, from economy and ease for use, bypass segment of the present invention adopts four bilateral analog switch, the model of four bilateral analog switch is CD4066, the main multipath transmission being used as analog or digital signal, CD4066 is made up of four separate two-way switchs, and each Switch Controller answers a control interface, shown in composition graphs 4 and Fig. 5, bypass segment is for one of them defence area, bypass segment comprises four bilateral analog switch U2A, triode Q1, triode Q2, bypass resistance R4, the control interface of four bilateral analog switch U2A, namely the 13rd pin of four bilateral analog switch U2A is connected with the output interface of single-chip microcomputer, the input interface of four bilateral analog switch U2A, namely the 1st pin of four bilateral analog switch U2A is connected with the output interface of monitoring probe by line end resistance RX, R2 in figure is voltage dependent resistor (VDR), for lightning protection, the output interface of four bilateral analog switch U2A, namely the 2nd pin of four bilateral analog switch U2A is connected with bypass resistance R4 and alarm host machine respectively, the other end of bypass resistance R4 is connected with the collector of triode Q2, the base stage of triode Q2 is connected with the collector of triode Q1 and resistance R3 respectively, the other end of resistance R3 is connected with positive 5V power supply, the base stage of triode Q1 is connected with the 13rd pin of single-chip microcomputer output interface and four bilateral analog switch U2A respectively by resistance R5.
The resistance of bypass resistance R4 is determined according to the resistance of line end resistance, line end resistance is a resistance element, directly be welded on the inside of monitoring probe, each monitoring probe can connect a line end resistance, and the quantity of monitoring probe requires according to warning system and determines; The resistance of bypass resistance R4 of the present invention equals the resistance of line end resistance, because after bypass, equal to cut off monitoring probe and line end resistance, so need to refill a line end resistance, bypass resistance R4 has been the effect replacing line end resistance.
The single-chip microcomputer that control section adopts is the single-chip microcomputer that every sheet has 32 road output interfaces, and the control that can realize 1 to 32 tunnel exports.According to actual requirement of engineering, every sheet single-chip microcomputer controls at most 16 road bypass segments, because along with the quantity of the number N of bypass segment increases, the size of circuit board also can increase (because the quantity of electronic devices and components can increase), the cabinet of mounting circuit boards must be made also to increase (because cabinet not only needs mounting circuit boards also to need to install other equipment such as power supply or optical transmitter and receiver), but the situation that in fact multiple defence areas expansion board is arranged on same place is comparatively rare, all generally 1-2 block expansion board, so selected N is less than or equal to 16.
Also comprise host computer, host computer is connected with control section; Defence area keeper selectes defence area by host computer, then each defence area is carried out manually or the setting of deploying troops on garrison duty or withdraw a garrison of timing, the information transmission that user sets by host computer is to control section, the information that the single-chip microcomputer of control section sets according to user to be deployed troops on garrison duty or withdraws a garrison setting to each defence area, when timing to or need change cloth, disarming state time, single-chip microcomputer by command to bypass segment, after the instruction of bypass segment identification single-chip microcomputer, command information is outputted to output, thus realizes deploying troops on garrison duty accordingly to the defence area of specifying or withdrawing a garrison; Then the single-chip microcomputer of control section is by the feedback of status of bypass segment to host computer, and host computer graphically shows.The effect of host computer is for the keeper of safety-protection system provides graphical interfaces, accepts bypass operation, sends and specify the bypass message in defence area, automatically to deploy troops on garrison duty and withdraw a garrison according to Preset Time to defence area, graphically shows the information of deploying troops on garrison duty and withdraw a garrison in defence area simultaneously.
Below for the first section of embodiment, the workflow of the defence area bypath system of warning system of the present invention is described:
When the defence area of monitoring probe needs normally to deploy troops on garrison duty, AT89S52 single board computer receives the control signal of host computer, and the output interface P0.0 of AT89S52 single board computer exports high level, triode Q1 conducting, and triode Q2 ends, and bypass resistance R4 is inoperative; Meanwhile, model be the 13rd pin of the four bilateral analog switch U2A of CD4066 because input high level, analog switch conducting, makes monitoring probe by the connection conducting of line end resistance RX and defence area expansion board.
When the defence area of monitoring probe needs bypass, AT89S52 single board computer receives the bypass instruction of host computer, the output interface P0.0 output low level of AT89S52 single board computer, triode Q1 ends, triode Q2 conducting, bypass resistance R4 and ground connect, and are equivalent to this defence area and have been access in bypass resistance R4, the line end resistance of the monitoring probe of the present embodiment is 10k Ω, so the resistance of bypass resistance R4 is 10k Ω.Meanwhile, the 13rd pin of four bilateral analog switch U2A is because input low level, and analog switch is in high-impedance state, and the connection of monitoring probe and defence area expansion board is disconnected.
Fig. 6 is example schematic of the present invention.As shown in Figure 6, below for certain the exhibition of cultural relics Room, 5 infrared microwave dual technology detectors are installed in the show room Room and are respectively T1 to T5, at the exterior wall of show room, 4 infrared opposite-type detectors are then installed and are respectively T6 to T9, these 9 detectors are connected with same alarm host machine respectively by 2 pieces of defence area expansion boards, the bypath system of the present embodiment only need arrange 9 bypass segments, 9 bypass segments are separately positioned between 9 detectors and 2 pieces of defence area expansion boards, and the control end of 9 bypass segments is connected with the control section of bypass segment respectively.
When exhibition room is carried out, when stream of people's quantity is large and crowded, sends instruction by host computer and make part probe be in bypass condition, as made T1 to T5 detector be in bypass condition, making T6 to T9 be in Normal Alarm state; When the exhibition room exhibition of closing or stream of people's rare numbers, then send instruction by host computer, make T1 to T9 all be in Normal Alarm state, thus under the prerequisite ensureing effective monitoring, effectively alleviate total linear pressure, avoid data blocking and systemic breakdown accident occur.System according to defence area actual conditions, can also utilize the function of host computer time set bypass, as automatically opened in some period or closing bypass functionality.
In a word, the present invention achieves from hardware and carries out bypass to the output signal of detector, and just can upload effective warning message according to the actual conditions in defence area, invalid warning message is not uploaded completely; And bypass operation that is manual or timing automatic can be realized, significantly reduce the pressure of bus, solve the problem of data blocking.
Claims (6)
1. the defence area bypath system of a warning system, it is characterized in that, the input end of described bypath system connects the monitoring probe of warning system, the output terminal of bypath system connects the expansion board of warning system, the output terminal of described expansion board connects the alarm host machine of warning system, described bypath system comprises bypass segment and control section, described monitoring probe is connected with the input end of bypass segment, the output terminal of bypass segment is connected with described expansion board, and described control section is connected with the control end of bypass segment.
2. the defence area bypath system of warning system according to claim 1, is characterized in that, described control section comprises single-chip microcomputer, and the clock circuit, communicating circuit and the power circuit that are connected with single-chip microcomputer respectively, described bypass segment comprises four bilateral analog switch, triode Q1, triode Q2, bypass resistance R4, the input interface of four bilateral analog switch is connected with the output interface of monitoring probe by line end resistance RX, the output interface of four bilateral analog switch is connected with bypass resistance R4 and expansion board respectively, the other end of described bypass resistance R4 is connected with the collector of triode Q2, the base stage of triode Q2 is connected with the collector of triode Q1 and resistance R3 respectively, the other end of resistance R3 is connected with positive 5V power supply, the base stage of triode Q1 is connected with the output interface of single-chip microcomputer and the control interface of four bilateral analog switch respectively by resistance R5.
3. the defence area bypath system of warning system according to claim 2, is characterized in that, the resistance of described bypass resistance R4 equals the resistance of the line end resistance of described monitoring probe.
4. the defence area bypath system of warning system according to claim 2, is characterized in that, the single-chip microcomputer of described control section is the single-chip microcomputer that every sheet has that 32 tunnels control output interface, and the number N of the bypass segment that every sheet single-chip microcomputer connects is less than or equal to 16.
5. the defence area bypath system of the warning system according to any one of claim 1-4, is characterized in that, also comprise host computer, described host computer is connected with control section.
6. the defence area bypath system of warning system according to claim 5, it is characterized in that, keeper selectes defence area by host computer, then each defence area is carried out manually or the setting of deploying troops on garrison duty or withdraw a garrison of timing automatic, host computer is by the information transmission of setting to control section, and control section utilizes single-chip microcomputer by command to bypass segment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410440395.7A CN104240462B (en) | 2014-09-01 | 2014-09-01 | The defence area bypath system of warning system |
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| CN201410440395.7A CN104240462B (en) | 2014-09-01 | 2014-09-01 | The defence area bypath system of warning system |
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| CN104240462B CN104240462B (en) | 2017-11-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285295A (en) * | 2020-11-04 | 2021-01-29 | 四川轻化工大学 | Wireless intelligent fire detection device and detection method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5798711A (en) * | 1992-05-22 | 1998-08-25 | Directed Electronics, Inc. | High throughput embedded code hopping system with bypass mode |
| CN2627597Y (en) * | 2003-08-06 | 2004-07-21 | 柳溪立 | Anti-theft and light control electronic installation |
| KR100672924B1 (en) * | 2006-05-25 | 2007-01-24 | 주식회사 훠엔시스 | Remote monitoring apparatus and system and method thereof |
| CN201322967Y (en) * | 2008-12-24 | 2009-10-07 | 湖南省建筑工程集团总公司 | Networked intelligent community anti-theft alarm system |
| CN101752844A (en) * | 2008-12-18 | 2010-06-23 | 凹凸电子（武汉）有限公司 | Device, system and method for protection of battery |
| CN102487529A (en) * | 2010-12-01 | 2012-06-06 | 北京创毅视讯科技有限公司 | Method for raising information transmission efficiency of Internet of things and apparatus thereof |
| US20120146791A1 (en) * | 2002-02-01 | 2012-06-14 | @Security Broadband Corp. | Lifestyle Multimedia Security System |
| CN103544093A (en) * | 2012-07-13 | 2014-01-29 | 深圳市快播科技有限公司 | Monitoring and alarm control method and system |
| CN203982558U (en) * | 2014-09-01 | 2014-12-03 | 佛山市新东方电子技术工程有限公司 | The defence area bypath system of warning system |
-
2014
- 2014-09-01 CN CN201410440395.7A patent/CN104240462B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5798711A (en) * | 1992-05-22 | 1998-08-25 | Directed Electronics, Inc. | High throughput embedded code hopping system with bypass mode |
| US20120146791A1 (en) * | 2002-02-01 | 2012-06-14 | @Security Broadband Corp. | Lifestyle Multimedia Security System |
| CN2627597Y (en) * | 2003-08-06 | 2004-07-21 | 柳溪立 | Anti-theft and light control electronic installation |
| KR100672924B1 (en) * | 2006-05-25 | 2007-01-24 | 주식회사 훠엔시스 | Remote monitoring apparatus and system and method thereof |
| CN101752844A (en) * | 2008-12-18 | 2010-06-23 | 凹凸电子（武汉）有限公司 | Device, system and method for protection of battery |
| CN201322967Y (en) * | 2008-12-24 | 2009-10-07 | 湖南省建筑工程集团总公司 | Networked intelligent community anti-theft alarm system |
| CN102487529A (en) * | 2010-12-01 | 2012-06-06 | 北京创毅视讯科技有限公司 | Method for raising information transmission efficiency of Internet of things and apparatus thereof |
| CN103544093A (en) * | 2012-07-13 | 2014-01-29 | 深圳市快播科技有限公司 | Monitoring and alarm control method and system |
| CN203982558U (en) * | 2014-09-01 | 2014-12-03 | 佛山市新东方电子技术工程有限公司 | The defence area bypath system of warning system |
Non-Patent Citations (1)
| Title |
|---|
| 浙江中安电子工程有限公司: "杭州萧山国际机场监控系统综述", 《数字社区&智能家居》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285295A (en) * | 2020-11-04 | 2021-01-29 | 四川轻化工大学 | Wireless intelligent fire detection device and detection method thereof |
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