CN204229560U - Perimeter alarm equipment - Google Patents
Perimeter alarm equipment Download PDFInfo
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- CN204229560U CN204229560U CN201420664575.9U CN201420664575U CN204229560U CN 204229560 U CN204229560 U CN 204229560U CN 201420664575 U CN201420664575 U CN 201420664575U CN 204229560 U CN204229560 U CN 204229560U
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Abstract
The utility model discloses a kind of perimeter alarm equipment, its involving vibrations cable, overvoltage protective module, signal amplification module, A/D modular converter, control module, display, storer and hummer; Perimeter alarm equipment of the present utility model by vibration wireline as sensor, detect the vibrational state in described vibration wireline, now in described vibration wireline, produce weak voltage pulse, described weak voltage pulse is amplified and A/D conversion after Input Control Element differentiate, thus whether the region obtained by protecting has unsafe situations such as personnel invade, thus control hummer is reported to the police, visible perimeter alarm equipment of the present utility model can realize the differentiation to whether having personnel to invade automatically, thus does not need a large amount of manpowers.
Description
Technical field
The utility model relates to a kind of panalarm, particularly relates to a kind of perimeter alarm equipment.
Background technology
China is after reform and opening-up, and economy develops rapidly, and security condition is also increasingly sophisticated both at home and abroad simultaneously.All kinds of great national affairs activity and the large project involved the interests of the state and the people all propose new demand to security technique guarding system.For all kinds of big-and-middle-sized engineering project, as: protection of the important stadiums and gymnasiums of important place such as airport, oil depot, chemical plant, nuclear power station, prison, gas transmission station, airport, army, villa etc.At present, the panalarm for these regions generally adopts camera and Central Control Room, shows the image of described camera collection in real time, and undertaken on duty by special messenger, to find fortuitous event in described Central Control Room.But this panalarm costly, and need the manpower of at substantial.
Utility model content
The utility model object is to provide a kind of perimeter alarm equipment, and it according to the microvibration of zone of protection fence, can send alerting signal automatically.
The utility model technical solution problem adopts following technical scheme: a kind of perimeter alarm equipment, involving vibrations cable, overvoltage protective module, signal amplification module, A/D modular converter, control module, display, storer and hummer;
Described vibration wireline signal is connected to described overvoltage protective module, described overvoltage protective module signal is connected to described signal amplification module, described signal amplification module signal is connected to described A/D modular converter, and described A/D modular converter signal is connected to described control module;
The equal signal of described display, storer and hummer is connected to described control module.
Optionally, described perimeter alarm equipment also comprises signal limiter module, and described overvoltage protective module is by signal limiter model calling extremely described A/D modular converter.
Optionally, described perimeter alarm equipment also comprises Darlington driver, and described Darlington driver signal is connected to described control module.
Optionally, described perimeter alarm equipment also comprises clock crystal oscillator and RTC battery, and described clock crystal oscillator signal is connected to described control module, and described RTC battery circuit is connected to described control module.
Optionally, described perimeter alarm equipment also comprises voltage monitoring and electrification reset module, and described voltage monitoring and electrification reset module by signal are connected to described control module.
Optionally, described perimeter alarm equipment also comprises jtag interface and RS485 interface, and described jtag interface and/or the equal signal of RS485 interface are connected to described control module.
Optionally, described control module is arm processor, single-chip microcomputer or DSP.
Optionally, described display is segment encode liquid crystal display.
Optionally, described storer is EEPROM.
The utility model has following beneficial effect: perimeter alarm equipment of the present utility model by vibration wireline as sensor, detect the vibrational state in described vibration wireline, now in described vibration wireline, produce weak voltage pulse, described weak voltage pulse is amplified and A/D conversion after Input Control Element differentiate, thus whether the region obtained by protecting has unsafe situations such as personnel invade, thus control hummer is reported to the police, visible perimeter alarm equipment of the present utility model can realize the differentiation to whether having personnel to invade automatically, thus do not need a large amount of manpowers.
Accompanying drawing explanation
Fig. 1 is the structural representation of perimeter alarm equipment of the present utility model;
In figure, mark is illustrated as: 1-vibration wireline; 2-overvoltage protective module; 3-signal amplification module; 4-A/D modular converter; 5-signal limiter module; 6-control module; 7-display; 8-storer; 9-hummer; 10-Darlington driver; 11-clock crystal oscillator; 12-RTC battery; 13-JTAG interface; 14-voltage monitoring and electrification reset module; 15-RS485 interface; 16-toggle switch.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is further elaborated.
Embodiment 1
Present embodiments provide a kind of perimeter alarm equipment, involving vibrations cable 1, overvoltage protective module 2, signal amplification module 3, A/D modular converter 4, signal limiter module 5, control module 6, display 7, storer 8 and hummer 9.
Described vibration wireline is layed in the periphery in the place needing protection; Described vibration wireline, i.e. induction vibration wireline detector, be called for short vibration wireline.Vibration wireline is made up of heart yearn, pressure-sensitive film, screen layer and overcoat.It can be laid on various iron skill, fence, purse seine, even embed in body of wall, the characteristic of vibration wireline is pressure sensor and deformation, and produce corresponding electric signal, when vibration wireline by designing requirement be attached to guardrail wires online time, any attempt climbing really, cutting, starts or breaks the behavior of enclosure wall, all will activate warning.
Described vibration wireline 1 is connected to described A/D modular converter 5 by overvoltage protective module 2 and signal amplification module 3 successively; Described vibration wireline 1, when experiencing extraneous vibration, can produce the weak voltage pulse within the scope of certain frequency, and described potential pulse, after overvoltage protective module 2, can prevent the amplitude of described weak voltage pulse too high, damages the signal amplification module 3 of rear end; Then signal amplification module 3 amplifies the signal that described overvoltage protective module 2 exports, and makes the amplitude of the signal after amplification remain in the nominal input range of A/D modular converter 5; Further, be the nominal input range preventing the signal amplitude after signal amplification module 3 amplifies from exceeding described A/D modular converter 5, described signal amplification module 3 can also be connected to described A/D modular converter 5 by signal limiter module 4; And described overvoltage protective module 2, signal amplification module 3, signal limiter module 4 and A/D modular converter 5 are circuit unit of the prior art, this is no longer going to repeat them.
Described A/D modular converter 5 signal is connected to described control module 6, with the digital signal transfers will obtained after described A/D modular converter 5 to described control module 6, described control module 6 processes described digital signal, the presence or absence vibrated to external world and amplitude size judge, and differentiate whether have intrusion event to occur in conjunction with the threshold value (alarm threshold) of Oscillation Amplitude, and discharge normal interference; Further, described control module can be the chip (integrated circuit) that arm processor, single-chip microcomputer or DSP etc. have signal handling capacity; Described arm processor can be ARM7 processor, and its oikocryst adopted shakes and up to 12MHz, can have response speed faster to make described perimeter alarm equipment.
In the present embodiment, whether described control module 6 also passes through peripheral hardware output alarm information for determining and passes through which kind of mode output alarm information, the input of user can also be accepted simultaneously, each alarm parameters is modified and the operation such as storage, further, its vibration wireline 1 by people for cutting off time, can continue to export the alerting signal such as acousto-optic, thus prevent sabotaging vibration wireline 1.
Described display 7 is connected to described control module 6 by display interface device signal, to show required information under the control of described control module 6, the information such as amplitude size, detection sensitivity, detection thresholding, type of alarm, device address and current time that such as vibration wireline 1 is vibrated; More preferably, described display 7 can be segment encode liquid crystal display, and user can understand the operation conditions of described perimeter alarm equipment more intuitively by described segment encode liquid crystal display.And the display 7 of the present embodiment can also show vibration signal waveforms, user can understand the size of defence area internal vibration cable vibration amplitude easily, for user judges that in defence area, contingent situation provides more foundation, and determine the need of intervening.
Described storer 8 signal is connected to described control module 6, to store the various parameters of described perimeter alarm equipment, the size of such as signal gain, alarm threshold, the data such as alarm time and device address, when described perimeter alarm device power, described control module 6 reads the parameter stored by described storer 8, and runs according to this parameter; More preferably, described storer 8 is EEPROM, revises various parameters in described storer to facilitate described control module.
Described hummer 9 is connected to described control module 6, with output alarm sound under the control of described control module 6.
In the present embodiment, optionally, described perimeter alarm equipment also comprises Darlington driver 10, described Darlington driver 10 signal is connected to described control module 6, and it can be 8 road Darlington drivers, described control module 6 can drive the elements such as peripheral relay and switch by described Darlington driver 10, to access powerful alarm element when reporting to the police by described relay and switch etc., thus causes the attention of user.
For making this circumference panalarm, there is time clock feature, in the present embodiment, described perimeter alarm equipment also comprises clock crystal oscillator 11 and RTC battery 12, described clock crystal oscillator 11 signal is connected to described control module 6, described RTC battery 12 circuit is connected to described control module 6, described clock crystal oscillator 11 is 32.768KHz, for providing elapsed time clock beat for the real-time clock of described perimeter alarm equipment, described RTC battery 12 is for providing stand-by power supply to the real-time clock of control module 6 inside, even if like this when described perimeter alarm device powers down, time also can keep.
For realizing the debugging of control module 6 in described perimeter alarm equipment and the change of program, in the present embodiment, described perimeter alarm equipment also comprises jtag interface 13, to carry out download program and debugging by described jtag interface 13 pairs of ARM7 processors (control module).
In the present embodiment, optionally, described perimeter alarm equipment also comprises voltage monitoring and electrification reset module 14, described voltage monitoring and electrification reset module 14 can reset when the brownout of described perimeter alarm equipment, misoperation in the unstable situation of the equipment that prevents, can provide electrification reset function simultaneously.
Protect for realizing the region larger to area, now need multiple described perimeter alarm equipment, and be realize the communication between multiple perimeter alarm equipment, in the present embodiment, described perimeter alarm equipment also comprises RS485 interface 15, alerting signal can be passed to host computer by described RS485 interface 15 by described control module 6, also can be received the control command of described host computer transmission by described RS485 interface 15 simultaneously.
In the present embodiment, optionally, described perimeter alarm equipment also comprises toggle switch 16, and described toggle switch 16 is connected with described control module 6, for set device alarm times in an alarm state.
The sequencing of above embodiment, only for ease of describing, does not represent the quality of embodiment.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a perimeter alarm equipment, is characterized in that, involving vibrations cable, overvoltage protective module, signal amplification module, A/D modular converter, control module, display, storer and hummer;
Described vibration wireline signal is connected to described overvoltage protective module, described overvoltage protective module signal is connected to described signal amplification module, described signal amplification module signal is connected to described A/D modular converter, and described A/D modular converter signal is connected to described control module;
The equal signal of described display, storer and hummer is connected to described control module.
2. perimeter alarm equipment according to claim 1, is characterized in that, also comprises signal limiter module, and described overvoltage protective module is by signal limiter model calling extremely described A/D modular converter.
3. perimeter alarm equipment according to claim 2, is characterized in that, also comprises Darlington driver, and described Darlington driver signal is connected to described control module.
4. perimeter alarm equipment according to claim 3, is characterized in that, also comprises clock crystal oscillator and RTC battery, and described clock crystal oscillator signal is connected to described control module, and described RTC battery circuit is connected to described control module.
5. perimeter alarm equipment according to claim 4, is characterized in that, also comprises voltage monitoring and electrification reset module, and described voltage monitoring and electrification reset module by signal are connected to described control module.
6. perimeter alarm equipment according to claim 5, is characterized in that, also comprises jtag interface and RS485 interface, and described jtag interface and/or the equal signal of RS485 interface are connected to described control module.
7. perimeter alarm equipment according to claim 1, is characterized in that, described control module is arm processor, single-chip microcomputer or DSP.
8. perimeter alarm equipment according to claim 1, is characterized in that, described display is segment encode liquid crystal display.
9. perimeter alarm equipment according to claim 1, is characterized in that, described storer is EEPROM.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420664575.9U CN204229560U (en) | 2014-11-07 | 2014-11-07 | Perimeter alarm equipment |
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CN201420664575.9U CN204229560U (en) | 2014-11-07 | 2014-11-07 | Perimeter alarm equipment |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108534889A (en) * | 2018-04-13 | 2018-09-14 | 湖北省地震局 | A kind of circumference vibration monitoring prior-warning device and method |
CN110136378A (en) * | 2019-05-09 | 2019-08-16 | 上海卓希智能科技有限公司 | A kind of airport circumference intrusion alarm system and intrusion alarm method |
-
2014
- 2014-11-07 CN CN201420664575.9U patent/CN204229560U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108534889A (en) * | 2018-04-13 | 2018-09-14 | 湖北省地震局 | A kind of circumference vibration monitoring prior-warning device and method |
CN110136378A (en) * | 2019-05-09 | 2019-08-16 | 上海卓希智能科技有限公司 | A kind of airport circumference intrusion alarm system and intrusion alarm method |
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