The anti-tampering online warning device of one key of multichannelTechnical field
The present invention relates to a kind of wood working tool, and in particular to the anti-tampering online warning device of one key of multichannel.
Background technology
At present, mainly there is the one-touch alarm system of three types on the market.It is double that one kind is that one-touch warning device passes throughTwisted wire connects Special alarming interchanger, meanwhile, alarm interchanger is also powered by twisted-pair feeder to alarm button；When generation dangerous situationWhen, related personnel can be alarmed by one key of warning device.One kind is that one-touch warning device passes through telephone wire and Special alarmingInterchanger is connected, and realizes a key warning function.Also one kind is by radio network technique (wifi or zigbe etc.), oneKeyed warning device is connected with specialty alarm interchanger, and warning device realizes key alarm work(by the battery powered built in itEnergy.The one-touch alarm system of these three types is all in the presence of long construction period, expensive, alarm caused by needing rewiringThe shortcomings of function is single, the system expandability is poor, in some important events, such as important security system or early warning systemIt is middle use it is one-touch in alarm device, it uses the interference free performance of general network poor, rely on finite element network, or mobile phoneSignal, easily there is the problem of line fault, part of path is crowded, jitter in it.Broadband communication technology is by Hai DilaA kind of information technology of agate invention, i.e. spread spectrum communication technology (Spread Spectrum Communication), refer toIt is that the bandwidth of signal used in it transmits information is much larger than the bandwidth of information in itself.For a long time, spread spectrum communication is mainly used for military affairsSecret communication and electronic warfare system, spread spectrum technic strong interference immunity, the low spread spectrum communication system of the bit error rate is due to sendingEnd extension signal spectrum, goes back prime information in receiving terminal despreading, spreading gain is generated, so as to greatly increase anti-interference appearanceLimit.It is different according to spreading gain, or even under the conditions of negative signal-to-noise ratio, signal can also be extracted from the flooding of noiseCome, in current commercial communication system, spread spectrum communication is the communication mode that uniquely can operate under the conditions of negative signal-to-noise ratio；In wireless communication, anti-multipath jamming problem is always insoluble problem, utilizes the correlation properties between spread spectrum coding；ConnecingReceiving end can be extracted from multipath signal with correlation technique and isolate most strong useful signal, multiple paths can also be come sameThe waveform adder of code sequence is allowed to be strengthened, so as to reach effective anti-multipath jamming；Spread spectrum communication is digital communication, especiallyIt is adapted to digital voice and Simultaneous Transmission of Data, spread spectrum communication itself that there is encryption function, strong security, easy to carry out various communicationsBusiness.Spread spectrum communication easily using multinomial new technologies such as CDMA, compress speech, is more applicable for computer network and numberThe speech of word, image information transmission；Spread spectrum communication is mostly digital circuit, and device height integrates, and simple installation, is easy toSafeguard, it is also very compact reliable, it is easily installed, easy to extend, the Mean rate time is also very long；In addition, spread spectrum device oneAs use modular construction, networking mode is flexible, facilitates unified planning, time phasing, beneficial to dilatation, effectively protects throw early periodMoney.
The content of the invention
The technical problems to be solved by the invention are that current one-touch online alarm line fault, anti-interference easily occursCan force difference, and it is an object of the present invention to provide the anti-tampering online warning device of one key of multichannel, it is easy to solve current one-touch online alarmThere is the problem of line fault, poor anti jamming capability.
The present invention is achieved through the following technical solutions：
The anti-tampering online warning device of one key of multichannel, including a key warning device, control circuit, spread spectrum communication circuit,Remote multi-path audio alert, wherein, a key warning device, alarms for triggering, signal is provided after triggering to control circuit；ControlCircuit, the triggering warning message provided for receiving a key warning device, then provides information and gives spread spectrum communication circuit；Spread spectrum is logicalBelieve circuit, after the signal provided for receiving control circuit, send a signal to remote multi-path voice alarm module and to security protectionPublic security system is alarmed；Remote multi-path audio alert, the information sent for receiving spread spectrum communication circuit, carries out multi-path voice reportIt is alert.Easily there is line fault in wired alarm system at present, in some important events, such as important security system orUsed in early warning system it is one-touch in alarm device, it uses the interference free performance of general network poor, rely on cable network,Or mobile phone signal, easily there is the problem of line fault, part of path is crowded, jitter in it, by using spread spectrum communicationCircuit, goes back prime information in receiving terminal despreading, generates spreading gain, so as to greatly increase AJ margin, be more applicable inIn computer network and digitized speech, image information transmission；Spread spectrum communication is mostly digital circuit, device heightIntegrated, simple installation is easy to maintain, also very compact reliable, is easily installed, and easy to extend, the Mean rate time is also veryIt is long；The warning message transmitted by multi-path voice warning device reception spread spectrum communication circuit, carries out region-wide warning, while also straightConnect and report a case to the security authorities security protection public security system progress network alarm, the confidentiality and strong interference immunity of its spread-spectrum signal, especially suitable for weightThe alarm system of occasion is wanted, solves the problems, such as that current one-touch online alarm easily line fault, poor anti jamming capability occurs.
Further, control circuit is also associated with video monitoring system, and information is also transmitted to far by the spread spectrum communication circuitSignal is transmitted to video monitoring by Cheng Duolu displaying terminals, control circuit at the same time after receiving the alarm signal that a key warning device transmitsVideo information is transmitted to spread spectrum communication circuit, spread spectrum communication circuit by system, video monitoring system after receiving the signal of control circuitReceive video information and screen information is transmitted to remote multi-path displaying terminal at the same time, remote multi-path displaying terminal receives spread spectrum communication electricityVideo information is subjected to multichannel displaying after the screen information that road is transmitted.By being connected with monitoring system, realization remotely checks alarmThe real-time pictures at scene, spread spectrum communication easily using multinomial new technologies such as CDMA, compress speech, are more applicable for computerNetwork and digitized speech, image information transmission.
Further, remote multi-path displaying terminal includes mobile phone, the non-interconnected formula display terminal of tablet and different regions.It is logicalThe characteristics of crossing the multicapacity of the logical technology of spread spectrum, realizes that the display of multichannel displaying terminal is more stablized.
Further, remote multi-path audio alert includes the non-interconnected formula audio alert of different regions.By spreading logical skillThe characteristics of multicapacity of art, realize that remote multi-path audio alert supports that capacity is wider.
Further, a key warning device is also associated with light warning device.By light warning directly with one-touch reportAlarm device connects, and realizes lighting scene warning function.
Further, a key warning device is also associated with field speech warning device.It is straight by field speech warning deviceConnect and connected with one-touch warning device, realize that field speech is alarmed.
Compared with prior art, the present invention have the following advantages and advantages：
1st, the anti-tampering online warning device of one key of multichannel of the present invention, by using spread spectrum communication circuit, in receiving terminal solutionPrime information is gone back in expansion, generates spreading gain, so as to greatly increase AJ margin, be more applicable for computer network andDigitized speech, image information transmission；Spread spectrum communication is mostly digital circuit, and device height integrates, simple installation, easilyIt is also very compact reliable in maintenance, it is easily installed, easy to extend, the Mean rate time is also very long；Pass through multi-path voice reportAlarm device receives the warning message that spread spectrum communication circuit transmits, and carries out region-wide warning, while also directly to security protection public security systemCarry out network alarm to report a case to the security authorities, the confidentiality and strong interference immunity of its spread-spectrum signal, especially suitable for the alarm system of important events,Solve the problems, such as that current one-touch online alarm easily line fault, poor anti jamming capability occurs；
2nd, the anti-tampering online warning device of one key of multichannel of the present invention, by being connected with monitoring system, realization is remotely checkedThe real-time pictures at alarm scene, spread spectrum communication easily using multinomial new technologies such as CDMA, compress speech, are more applicable for countingCalculation machine network and digitized speech, image information transmission；
3rd, the anti-tampering online warning device of one key of multichannel of the present invention, by light warning directly with one-touch warning deviceConnection, realizes lighting scene warning function；Directly connected, realized existing with one-touch warning device by field speech warning deviceField audio alert.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the applicationPoint, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is modular structure schematic diagram of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and attached drawing, to thisInvention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not makeFor limitation of the invention.
Embodiment
As shown in Figure 1, the online warning device of one key of multichannel that the present invention is anti-tampering, including a key warning device, control electricityRoad, spread spectrum communication circuit, remote multi-path audio alert, wherein, a key warning device, alarms for triggering, letter is provided after triggeringNumber give control circuit；Control circuit, the triggering warning message provided for receiving a key warning device, then provides information to expansionFrequency telecommunication circuit；Spread spectrum communication circuit, after the signal provided for receiving control circuit, sends a signal to remote multi-path voice reportingWarn module and alarm to security protection public security system；Remote multi-path audio alert, the information sent for receiving spread spectrum communication circuit,Carry out multi-path voice alarm.During implementation, multi-path voice warning device includes the non-interconnected formula audio alert of different regions, and spread spectrum is logicalThe characteristics of multicapacity of technology, it is possible to achieve more area Interconnection Generation System alarms, while networking report directly also is carried out to security protection public security systemAlarm case, the confidentiality and strong interference immunity of its spread-spectrum signal, the alarm system especially suitable for important events.
During implementation, control circuit is also associated with video monitoring system, and information is also transmitted to remotely by the spread spectrum communication circuitSignal is transmitted to video monitoring system by multichannel displaying terminal, control circuit at the same time after receiving the alarm signal that a key warning device transmitsUnite, video information is transmitted to spread spectrum communication circuit after the signal of video monitoring system reception control circuit, spread spectrum communication circuit connectsReceive video information and screen information is transmitted to remote multi-path displaying terminal at the same time, remote multi-path displaying terminal receives spread spectrum communication circuitVideo information is subjected to multichannel displaying after the screen information transmitted.By being connected with monitoring system, realize that long-range check is alarmed nowThe real-time pictures of field, spread spectrum communication easily using multinomial new technologies such as CDMA, compress speech, are more applicable for computer networkNetwork and digitized speech, image information transmission.Remote multi-path displaying terminal includes mobile phone, the non-company of tablet and different regionsGeneral formula display terminal.The characteristics of leading to the multicapacity of technology by spread spectrum, realizes that the display of multichannel displaying terminal is more stablized.
During implementation, a key warning device is also associated with light warning device.By light warning directly with one-touch alarmDevice connects, and realizes lighting scene warning function；One key warning device is also associated with field speech warning device.Pass through live languageSound warning device is directly connected with one-touch warning device, realizes that field speech is alarmed..
Above-described embodiment, has carried out the purpose of the present invention, technical solution and beneficial effect furtherDescribe in detail, it should be understood that the foregoing is merely the embodiment of the present invention, be not intended to limit the present inventionProtection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done, should all includeWithin protection scope of the present invention.