CN202422331U - Anti-damage high-reliability intrusion type alarm - Google Patents
Anti-damage high-reliability intrusion type alarm Download PDFInfo
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- CN202422331U CN202422331U CN2011205627800U CN201120562780U CN202422331U CN 202422331 U CN202422331 U CN 202422331U CN 2011205627800 U CN2011205627800 U CN 2011205627800U CN 201120562780 U CN201120562780 U CN 201120562780U CN 202422331 U CN202422331 U CN 202422331U
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- power supply
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- infrared
- operational amplifier
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Abstract
The utility model relates to an anti-damage high-reliability intrusion type alarm and an anti-damage alarming method. The alarm comprises a transmitting module, a receiving module and a control processing module. The transmitting module comprises a transmitting end power unit and a plurality of infrared transmitting tubes, and the receiving module comprises a receiving end power unit and a plurality of infrared receiving tubes. The anti-damage high-reliability intrusion type alarm solves the technical problem of poor damage defense capacity of existing active infrared intrusion detectors, and has the excellent damage resistance function, safety of the alarm as a security product is guaranteed, and precondition and guarantee are provided for protection of users.
Description
Technical field
The utility model relates to a kind of vandal-proof highly reliable correlation type alarm.
Background technology
Along with living standards of the people improve; People are increasingly high to the demand of security product; Security product on the market emerges in an endless stream, and degree of intelligence is increasingly high, human body pyroelectricity infrared ray, microwave remote sensor; Door magnetic detector, two kinds of two mirror detecting functions of combination human body pyroelectricity infra-red detection and microwave sounding meet detecting alarm etc., but these product ubiquities are prone to false alarm and fail to report, the shortcoming of anti-damage ability difference.
Pyroelectric sensor may produce wrong report to high hot high light and the thermal current that closes on, environment temperature and human body temperature near the time possibly fail to report, not too responsive to the movement human that glass and sheet material block with oneself.Microwave detector is to utilize Doppler shift characteristics, the moving body of monitoring in the defence area, and the someone gets into the defence area and can report to the police immediately, but the animal in the defence area, the plant that rocks all possibly cause wrong report.Microwave has penetration to body of wall and floor, if install improperly, next-door neighbor's activity also possibly cause wrong report, and, cut off behind the power lead just inoperative.
It is safer to make detector with door magnetic, can not fail to report or report by mistake, but volume belongs to bright dress more greatly, again, suffers the control of recessive destruction or the anti-behavior of reporting to the police easily.
The alarm of complex probe function is with human body pyroelectricity infra-red detection and microwave sounding dual mode on the same group in the detector; Utilize microwave to smog, light, the insensitive performance of temperature variation; Replenished the deficiency of human body pyroelectricity pyroscan; Through the complex probe of two kinds of unit, can eliminate wrong report basically.But complex detector could trigger warning after wanting two kinds of unit all to detect the invasion human body simultaneously.If run into the robber that anti-warning experience is arranged, block entering defence area down with oneself at glass and sheet material, so two mirror are surveyed has only single mirror function to be difficult to trigger warning.
Compare above alarm, the active infrared correlative detector is to be the basis with the Digital Signal Processing, and the principle of work that adopts multi beam active infrared line to survey is aided with optical system again, forms an invisible blockade line.Someone must all or part of infrared beam that blocks through this invisible blockade line.Therefore the receiving end output signal level can change, in case through being judged as invasion after the signal Processing then start warning circuit.This detector not can because of little pet pass through or climatic influences produce the wrong report alert, thereby to contiguous human body or object only otherwise getting into the security area just can the maximum limit of false alarm not reduce rate of false alarm.Though the active infrared correlative detector can overcome the existing defective of above-mentioned central fire alarm control panel; Advantages such as it is strong to have antijamming capability, and false alarm rate is extremely low, but active infrared correlative detector; Except hidden installation; Defence capability to destroying is relatively poor, in case the robber destroy then still can relievedly commit a crime, thereby lose the alarm effect.Because active infrared correlation alarm is made up of transmitting terminal, receiving end and processing module, so at present main failure mode is: the launch window of transmitting terminal or the receive window of receiving end are sprayed glue, blocked, cut off this several method of transceiver module power lead.
Summary of the invention
Oppose the technical matters of the defence capability difference of destruction in order to solve existing active infrared correlative detector, the utility model provides vandal-proof highly reliable correlation type alarm and damage preventing alarm method.
The technical solution of the utility model:
A kind of vandal-proof highly reliable correlation type alarm; Comprise transmitter module, receiver module and control treatment module; Its special character is: said transmitter module comprises transmitting terminal power supply unit and a plurality of infrared transmitting tube, and said receiver module comprises receiving end power supply unit and a plurality of infrared receiving tube; Said infrared transmitting tube and infrared receiving tube are corresponding one by one; Said receiving end power supply unit comprises external power supply, reserve battery and low pressure Detection & Controling circuit; Said low-voltage testing circuit and control circuit can switch to the reserve battery power supply with external power supply.
Above-mentioned low-voltage testing circuit comprises operational amplifier; Said external power supply is high-end through the input that bleeder circuit connects operational amplifier; Said reserve battery connects the input low side of operational amplifier through bleeder circuit; The power supply termination reserve battery of said operational amplifier, the output termination control treatment module of said operational amplifier.
A kind of damage preventing alarm method, its special character is: may further comprise the steps:
1] a plurality of infrared transmitting tubes are launched infrared signal successively, and corresponding with it infrared receiving tube receives infrared signal successively and produces the electric pulse variation successively and send into control treatment module;
2] in the cycle of setting,, then be normal condition if control treatment module receives the electric pulse variation that each infrared receiving tube produces successively; Change if control treatment module has received the unusual electric pulse of at least two infrared receiving tubes, then get into alarm condition; If control treatment module does not receive the electric pulse variation that any two infrared receiving tubes produce, wait for that then the electric pulse of next setting cycle changes; In next setting cycle,, then get into and destroy alarm condition if control module does not still receive the electric pulse variation that these any two infrared receiving tubes produce;
3] at any time, if the low-voltage testing circuit output abnormality then gets into alarm condition.
The advantage that the utility model had:
1, the utlity model has excellent tamper-proof function, be guaranteed as the safety of security product self, for the protection user provides precondition and guarantee.
2, the utility model can brightly be adorned owing to possess tamper-proof function, further strengthens deterrent force, and reports to the police when being not only the robber and entering the room again, this moment the robber a cornered beast will do something desperate even can directly cause personal injury.
3, the method that the utility model provided also has a power failure to accident provides warning, eliminates the potential safety hazard of not working and causing owing to alarm, in case outage automatically switches on the standby power supply;
4, the transmitting-receiving fault that reasons such as lens contamination, laying dust is caused can detect and report to the police equally, has reduced the hidden danger that the alarm performance descends and causes.
Description of drawings
Fig. 1 is the structural representation of the vandal-proof highly reliable correlation type alarm of the utility model;
Fig. 2 is the utility model low-voltage testing circuit synoptic diagram;
Fig. 3 is the process flow diagram of the utility model damage preventing alarm method.
Embodiment
As shown in Figure 1; The structural representation of vandal-proof highly reliable correlation type alarm; Comprise transmitter module, receiver module and control treatment module, transmitter module comprises transmitting terminal power supply unit and a plurality of infrared transmitting tube, and receiver module comprises receiving end power supply unit and a plurality of infrared receiving tube; Infrared transmitting tube and infrared receiving tube are corresponding one by one; The receiving end power supply unit comprises external power supply, reserve battery and low pressure Detection & Controling circuit; Low-voltage testing circuit and control circuit switch to the reserve battery power supply with external power supply.
Low-voltage testing circuit comprises operational amplifier; Said external power supply is high-end through the input that bleeder circuit connects operational amplifier; Said reserve battery connects the input low side of operational amplifier through bleeder circuit; The power supply termination reserve battery of said operational amplifier, the output termination control treatment module of said operational amplifier.
Stabilized voltage supply can be supplied power with the 5V that obtains after the voltage stabilizing of 220V AC rectification, and reserve battery can be that the lithium ion battery that 3.7V is up to 4.2V is realized with nominal voltage.R1, R2, R3, R4 are that divider resistance and operational amplifier are realized low pressure or outage detection together.
R1, R2, R3, R4 can all choose 50K Ω, like this, operational amplifier in the same way terminal voltage be 2.5V, backward end voltage one is decided to be less than 2.5V respectively.Operational amplifier is output as high level during operate as normal, in case the power supply electric wire is cut off or abnormal power-down, this moment, in-phase end was zero V, and operational amplifier is output as low level.Single-chip microcomputer promptly sends sound and light alarm and in time sends alerting signal to the mobile phone of appointment or on the alarm call after detecting low level.
Transmitter module is responsible for producing infrared ray, and whether receiver module is responsible for detecting has barrier to block, and produces corresponding level signal, and this signal is transferred to signal Processing and control module.
Whether signal Processing and control module detect has barrier, whether malicious sabotage is arranged, and transceiver module stained.And produce alerting signal to alarm module, and export on the phone or mobile phone of appointment by communication module according to different situations.Communication module also can be according to corresponding this alarm of mobile phone instruction control.
Alarm module is made sound and light alarm according to signal Processing and control module instruction.
The outage detection module is supplied power by back-up source, starts each modular power source of back-up source supply in case detect abnormity of power supply by signal Processing and control module.
A back-up source direct power supply is at ordinary times given the outage detection module, after detecting abnormal electrical power supply, is supplied power to each module by signal Processing and the output of control module control transformation circuit, makes alarm ability operate as normal.
A kind of damage preventing alarm method may further comprise the steps:
1] a plurality of infrared transmitting tubes are launched infrared signal successively, and corresponding with it infrared receiving tube receives infrared signal successively and produces the electric pulse variation successively and send into control treatment module;
2] in the cycle of setting,, then be normal condition if control treatment module receives the electric pulse variation that each infrared receiving tube produces successively; Change if control treatment module has received the unusual electric pulse of at least two infrared receiving tubes, then get into alarm condition; If control treatment module does not receive the electric pulse variation that any two infrared receiving tubes produce, wait for that then the electric pulse of next setting cycle changes; In next setting cycle,, then get into and destroy alarm condition if control module does not still receive the electric pulse variation that these any two infrared receiving tubes produce;
3] at any time, if the low-voltage testing circuit output abnormality then gets into alarm condition.
Receiver module is behind the signal of receiving the infrared transmitting tube emission; Can export a kind of level (low level or high level); Run into barrier and block the back, send out receiving tube outward and can export another kind of level (high level or low level) owing to can not receive and transmit, promptly run into and can level change after blocking (from low to high or level from high to low change; Specifically by the circuit design decision, determination methods is identical.Here we choose not have and are output as height when blocking, and have to be output as low pattern when blocking), and the time that normal invador passes the alarm warning line generally can not surpass more than two seconds.
Embodiment 1:
Step 1: transceiver module and System self-test
After system powers on; Each power valve of transmitter module is launched (all the other each pipes are closed during an emission) successively according to the cycle of setting; Under the normal condition, the electric pulse that receiving tube level after receiving signal that receiver module is corresponding with it can take place from high to low successively changes, and shows its state through LED light; Or deliver to main frame after the circuit judges and show the transceiver module duty, can send to the alarm state on the designated mobile phone like needs; All normal and main frame shows and normally gets into next step like each transceiver module, otherwise, inspection transceiver module and hostdown reason.
Step 2: alarm carries out tamper-proof detection simultaneously in operate as normal
After the transmitting-receiving self check is in proper working order,, then must be to destroy one of them earlier because of transceiver module is installed separately in case there is the robber to want to destroy alarm.
If transmitter module is destroyed; No matter be spray glue, block or cut short power lead; Then receiving end is not low level because of one or more receiving tubes because of receiving to transmit always; And the time surpasses then explains that the robber is destroying alarm or destroying that the door and window invasion causes, gets into and destroys alarm condition two seconds;
If receiving end is destroyed by the robber, as making it lose function through spraying glue or blocking any certain several or whole reception head, then pulse change from high to low can appear in this port; During operate as normal, this duration of pulse can not surpass for two seconds, and will receive head through two at least; As only have a port to occur, or a plurality of appearance, but the time was above two seconds; Explained that the people is destroying, then got into to destroy alarm condition;
Embodiment 2:
Another kind of common damage method is to cut off power lead, and, cut short the power lead alarm and do not have any reaction as long as the people that its principle of reporting to the police is familiar with stands in the side.For the method; We built-in one contain charging module the high energy reserve battery; And power failure detection circuit, be reduced to less than the threshold values of setting in case detect supply voltage, can judge that power supply is unusual or be destroyed; No matter the sort of situation all gets into alarm mode, automatically switches on the back-up source and makes alarm transmit a signal to the mobile phone of appointment or the Surveillance center of fixed line or networking.
The method also can be reported to the police to improper power supply, avoids losing anti-theft feature because of abnormal electrical power supply makes alarm.Above method can detect and report to the police to the transmitting-receiving fault that reasons such as lens contamination, laying dust cause equally.
In case judgement needs alarm then starts sound and light alarm, transfers to alerting signal on the mobile phone or landline telephone of finger simultaneously, can transfer on the subzone network simultaneously as networking.
Claims (2)
1. vandal-proof highly reliable correlation type alarm; Comprise transmitter module, receiver module and control treatment module; It is characterized in that: said transmitter module comprises transmitting terminal power supply unit and a plurality of infrared transmitting tube, and said receiver module comprises receiving end power supply unit and a plurality of infrared receiving tube; Said infrared transmitting tube and infrared receiving tube are corresponding one by one; Said receiving end power supply unit comprises external power supply, reserve battery and low pressure Detection & Controling circuit; Said low-voltage testing circuit and control circuit switch to the reserve battery power supply with external power supply.
2. vandal-proof highly reliable correlation type alarm according to claim 1; It is characterized in that: said low-voltage testing circuit comprises operational amplifier; Said external power supply is high-end through the input that bleeder circuit connects operational amplifier; Said reserve battery connects the input low side of operational amplifier, the power supply termination reserve battery of said operational amplifier, the output termination control treatment module of said operational amplifier through bleeder circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205627800U CN202422331U (en) | 2011-12-19 | 2011-12-19 | Anti-damage high-reliability intrusion type alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205627800U CN202422331U (en) | 2011-12-19 | 2011-12-19 | Anti-damage high-reliability intrusion type alarm |
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| Publication Number | Publication Date |
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| CN202422331U true CN202422331U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205627800U Expired - Fee Related CN202422331U (en) | 2011-12-19 | 2011-12-19 | Anti-damage high-reliability intrusion type alarm |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426741A (en) * | 2011-12-19 | 2012-04-25 | 樊红娟 | Damage-proof high-reliability bijection-type alarm and damage-proof alarming method |
| CN112907862A (en) * | 2021-02-02 | 2021-06-04 | 慈溪市一栋电子有限公司 | Multifunctional microwave radar alarm |
-
2011
- 2011-12-19 CN CN2011205627800U patent/CN202422331U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426741A (en) * | 2011-12-19 | 2012-04-25 | 樊红娟 | Damage-proof high-reliability bijection-type alarm and damage-proof alarming method |
| CN112907862A (en) * | 2021-02-02 | 2021-06-04 | 慈溪市一栋电子有限公司 | Multifunctional microwave radar alarm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING JINGYI SECURITY SYSTEM TECHNOLOGY CO., LTD Free format text: FORMER OWNER: FAN HONGJUAN Effective date: 20140425 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710075 XI'AN, SHAANXI PROVINCE TO: 210000 NANJING, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140425 Address after: 210000 Jiangsu city of Nanjing province science and Technology Innovation Park kylin (eco technology city) Qi East Road No. 666 Patentee after: Nanjing Jingyi Security System Technology Co., Ltd. Address before: 710075 building, 2, five, hi tech Road, Xi'an hi tech Zone, Shaanxi, China Patentee before: Fan Hongjuan |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20191219 |