CN107204106A - The alarm method and system of false alert are filtered out in a kind of safety-protection system - Google Patents

The alarm method and system of false alert are filtered out in a kind of safety-protection system Download PDF

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Publication number
CN107204106A
CN107204106A CN201710560059.XA CN201710560059A CN107204106A CN 107204106 A CN107204106 A CN 107204106A CN 201710560059 A CN201710560059 A CN 201710560059A CN 107204106 A CN107204106 A CN 107204106A
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China
Prior art keywords
signal
judged result
alert
preliminary abnormal
real time
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CN201710560059.XA
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Chinese (zh)
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CN107204106B (en
Inventor
梁文清
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HEBEI GOLDEN LOCK SAFETY ENGINEERING Co Ltd
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HEBEI GOLDEN LOCK SAFETY ENGINEERING Co Ltd
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Priority to CN201710560059.XA priority Critical patent/CN107204106B/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18Prevention or correction of operating errors
    • G08B29/185Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/02Mechanical actuation
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/02Mechanical actuation
    • G08B13/04Mechanical actuation by breaking of glass
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/02Mechanical actuation
    • G08B13/08Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light or radiation of shorter wavelength; Actuation by intruding sources of heat, light or radiation of shorter wavelength
    • G08B13/189Actuation by interference with heat, light or radiation of shorter wavelength; Actuation by intruding sources of heat, light or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19Actuation by interference with heat, light or radiation of shorter wavelength; Actuation by intruding sources of heat, light or radiation of shorter wavelength using passive radiation detection systems using infra-red radiation detection systems
    • G08B13/191Actuation by interference with heat, light or radiation of shorter wavelength; Actuation by intruding sources of heat, light or radiation of shorter wavelength using passive radiation detection systems using infra-red radiation detection systems using pyroelectric sensor means
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18Prevention or correction of operating errors
    • G08B29/185Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
    • G08B29/188Data fusion; cooperative systems, e.g. voting among different detectors

Abstract

The invention discloses the alarm method and system that false alert is filtered out in a kind of safety-protection system, this method includes:Obtain the alert information of each security protection detection equipment detection when the true alert of history occurs;Extract the feature of alert information;Obtain the real time detection signal of each security protection detection equipment;The feature with the presence or absence of alert information in real time detection signal is judged one by one, obtains the first judged result;When the first judged result represents to be, it is preliminary abnormal signal to determine real time detection signal;Judge that preliminary abnormal signal whether caused by state of weather, obtains the second judged result;When the second judged result represents no, preliminary abnormal signal is judged whether caused by user's factor, when the 3rd judged result represents no, it is determined that preliminary abnormal signal is alert signal, and sends alarm signal to safety-protection system.The present invention has been filtered out by the situation of weather and user caused false alarm in itself, improves the accuracy of alarm.

Description

The alarm method and system of false alert are filtered out in a kind of safety-protection system
Technical field
The present invention relates to the technical field handled in safety-protection system alert, filtered out in more particularly to a kind of safety-protection system The alarm method and system of false alert.
Background technology
At present, with the improvement of people's safety consciousness, increasing safety-protection system comes into the life of people, safety-protection system Can be replaced under unmanned idle time or adverse circumstances the artificial alert identification carried out in long-time monitoring, safety-protection system and The accuracy of alert monitoring is the important evidence that user selects safety-protection system.Exist in the alert identification of existing safety-protection system more False alert, often occurs false alarm situation, security personnel are handled according to the false alert will also waste substantial amounts of Manpower and materials and time, while can also startle user, severe experience is brought to user.The popularization for being unfavorable for safety-protection system should With.Therefore, how to reduce false alert and improve the problem of accuracy rate alarmed is this area urgent need to resolve.
The content of the invention
It is an object of the invention to provide the alarm method and system that false alert is filtered out in a kind of safety-protection system, to reduce void False alarm feelings, and then improve alarm accuracy rate.
To achieve the above object, the invention provides the alarm method that false alert is filtered out in a kind of safety-protection system, including:
Obtain the alert information of each security protection detection equipment detection when the true alert of history occurs;
Extract the feature of the alert information;
Obtain the real time detection signal of each security protection detection equipment;
The feature with the presence or absence of the alert information in the real time detection signal is judged one by one, obtains the first judgement knot Really;
When first judged result represents no, the real time detection signal for obtaining each security protection detection equipment is returned The step of;
When first judged result represents to be, it is preliminary abnormal signal to determine the real time detection signal;
Judge that the preliminary abnormal signal whether caused by state of weather, obtains the second judged result;
When the second judged result represents to be, the step of the real time detection signal for obtaining each security protection detection equipment is returned Suddenly;
When second judged result represents no, judge that the preliminary abnormal signal whether caused by user's factor, is obtained To the 3rd judged result;
When the 3rd judged result represents to be, the step for the real time detection signal for obtaining each security protection detection equipment is returned Suddenly;
When the 3rd judged result represents no, it is alert signal to determine the preliminary abnormal signal, and to security protection system System sends alarm signal.
Optionally, the feature for extracting the alert information, is specifically included:
The numerical value model of the detection signal of each security protection detection equipment when determining that true alert occurs according to the alert information Enclose;
It is each corresponding alert characteristic threshold value scope of detection signal to determine each described number range.
Optionally, the security protection detection equipment includes:Door switch detector, window switch detector, glass break detector, Window vibrating detector, wind speed measurement device, thermal infrared sensor;The real time detection signal includes enabling duration, windowing duration, glass Glass crushes audio signal, window vibration frequency, wind speed, infrared induction signal.
Optionally, the feature for judging to whether there is the alert information in the real time detection signal one by one, is obtained First judged result, is specifically included:
The enabling duration, the windowing duration, the glass breaking audio signal, window vibration frequency are judged one by one Whether rate, the wind speed and the infrared induction signal belong to the respective alert characteristic threshold value scope;
If at least one judged result represents that the real time detection signal belongs to the corresponding alert characteristic threshold value scope, Determine that first judged result is yes;Otherwise, it determines first judged result is no.
Optionally, it is described to judge that the preliminary abnormal signal whether caused by state of weather, obtains the second judged result, tool Body includes:
Obtain and be located at the first infrared induction signal and the second infrared induction signal, the first infrared induction signal is doorway The infrared induction signal of the first thermal infrared sensor detection at place and/or window, the second infrared induction signal is interior The infrared induction signal detected away from first thermal infrared sensor for the second thermal infrared sensor of setpoint distance;
Determine the time difference of the first infrared induction signal and the second infrared induction signal;
The movement velocity of the motive objects with infra-red radiation is calculated according to the time difference and the setpoint distance;
Obtain the wind speed of the time point corresponding wind speed measurement device detection of the first infrared induction signal;
Judge whether the movement velocity is equal to the wind speed, if so, determining the preliminary abnormal signal by state of weather It is caused;
If it is not, determining that the preliminary abnormal signal is not caused by state of weather.
Optionally, judge that the preliminary abnormal signal whether caused by state of weather, obtains the second judged result described Before, in addition to:
The Weather information announced according to network obtains the state of weather of the preliminary abnormal signal correspondence time, the weather State includes:Wind direction, wind-force, precipitation.
Optionally, it is described to judge that the preliminary abnormal signal whether caused by state of weather, obtains the second judged result, tool Body includes:
According to the impulsive force of the numerical value determination of wind direction, wind-force and precipitation in the state of weather on the door with window;
Glass vibration frequency range is determined according to the impulsive force of the door and window;
Judge whether the window vibration frequency in the preliminary abnormal signal belongs to the glass vibration frequency range, if It is to determine that second judged result represents to be;If it is not, determining that second judged result represents no.
Optionally, it is described to judge that the preliminary abnormal signal whether caused by user's factor, is specifically included:
Obtain enabling duration;
Judge whether the enabling duration belongs to default normal door duration;
If so, determining that the preliminary abnormal signal is caused by user's factor;
If it is not, detecting whether incomer is user using aided-detection device, if so, determining that the preliminary abnormal signal is Caused by user's factor;If it is not, determining that the preliminary abnormal signal is not caused by user's factor.
Optionally, the aided-detection device is intelligent check card equipment or face recognition device.
Present invention also offers the warning system that false alert is filtered out in a kind of safety-protection system, including:
Alert information acquisition unit, the alert for obtaining each security protection detection equipment detection when the true alert of history occurs Information;
Feature extraction unit, the feature for extracting the alert information;
Real time detection signal acquiring unit, the real time detection signal for obtaining each security protection detection equipment;
First judging unit, for judging the spy in the real time detection signal with the presence or absence of the alert information one by one Levy, obtain the first judged result;
First returning unit, for when first judged result represents no, returning to described each security protection detection of acquisition The step of real time detection signal of equipment;
Preliminary abnormal signal determining unit, for when first judged result represents to be, determining the real-time detection Signal is preliminary abnormal signal;
Second judging unit, for judging that the preliminary abnormal signal whether caused by state of weather, obtains the second judgement As a result;
Second returning unit, for when the second judged result represents to be, returning to described each security protection detection equipment of acquisition Real time detection signal the step of;
3rd judging unit, for when the second judged result represents no, judge the preliminary abnormal signal whether by with Caused by the factor of family, the 3rd judged result is obtained;
3rd returning unit, for when the 3rd judged result represents to be, returning and obtaining each security protection detection equipment Real time detection signal the step of;
Alarm signal transmitting element, for representing no when the 3rd judged result, determines that the preliminary abnormal signal is Alert signal, and send alarm signal to safety-protection system.
The specific embodiment provided according to the present invention, the invention discloses following technique effect:The security protection that the present invention is provided The alarm method of false alert and the correlation detection signal of the true alert of system combination history are filtered out in system, with reference to real-time detection The correlation detection signal of signal and the true alert of history tentatively judges whether real time detection signal is abnormal, then successively investigates inspection in real time The abnormal whether caused by weather and user factor in itself of signal is surveyed, has been filtered out by weather and user caused false report in itself Alert situation, improves the accuracy of alarm, it is to avoid security personnel cause to waste substantial amounts of according to false alert progress processing Manpower and materials and time, user is startled, the problem of bringing severe experience to user improves the stability and standard of safety-protection system True property.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings Obtain other accompanying drawings.
Fig. 1 be safety-protection system provided in an embodiment of the present invention in filter out false alert alarm method flow chart;
Fig. 2 be safety-protection system provided in an embodiment of the present invention in filter out false alert warning system system block diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide the alarm method and system that false alert is filtered out in a kind of safety-protection system, to reduce void False alarm feelings, and then improve alarm accuracy rate.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is further detailed explanation.
As shown in figure 1, the alarm method of false alert is filtered out in the safety-protection system that the present invention is provided, including:
Step 101:Obtain the alert information of each security protection detection equipment detection when the true alert of history occurs.
The information of each security protection detection equipment detection when true alert occurs before being stored with safety-protection system, some with Alert is relevant, as alert information;Also include the relevant information that alert is handled.Believed by the alert of the true alert to having occurred The analysis of breath, it may be determined that each detection signal feature relevant with alert, such as numerical characteristics, frequency when true alert occurs Feature, image information feature etc. according to the specifying information species of security protection detection equipment, it is necessary to determine the information relevant with alert Feature, uses number range feature in the present embodiment.
Step 102:Extract the feature of the alert information.
In the present embodiment, extracting the step that possesses of the feature of alert information includes:
The numerical value model of the detection signal of each security protection detection equipment when determining that true alert occurs according to the alert information Enclose;For example:Door switch signal includes enabling duration, and the door enabling duration normally opened can be in the range of the short period, and prizes The door opened needs longer time, and the duration of door for being also not excluded for prying open certainly can be in the range of normal door duration, at this moment Need to determine the whether abnormal of real time detection signal by judging other information.Also include door lock OR gate for door switch signal Whether it is destroyed, if destroyed can be defined as breaking in, that is, occurs alert.Include windowing duration for window switching signal Whether it is destroyed with window, it is identical with the determination methods of door switch signal.For glass breaking audio signal, as long as broken using glass Broken detector directly detects the presence or absence of audio signal, can be defined as abnormal signal if having, then carry out other factors Exclude to determine whether to break in, that is, occur alert.For window vibration frequency, wind speed, infrared induction signal can profit Judged with number range.
It is each corresponding alert characteristic threshold value scope of detection signal, i.e., described police to determine each described number range The feature of feelings information.
Step 103:Obtain the real time detection signal of each security protection detection equipment.
Specifically, the security protection detection equipment in this safety-protection system includes:Door switch detector, window switch detector, glass Break detector, window vibrating detector, wind speed measurement device, thermal infrared sensor;The real time detection signal include enabling duration, Open a window duration, glass breaking audio signal, window vibration frequency, wind speed, infrared induction signal.
Step 104:The feature with the presence or absence of the alert information in the real time detection signal is judged one by one, obtains first Judged result.
This step is specifically included:
The enabling duration, the windowing duration, the glass breaking audio signal, window vibration frequency are judged one by one Whether rate, the wind speed and the infrared induction signal belong to the respective alert characteristic threshold value scope;
If at least one judged result represents that the real time detection signal belongs to the corresponding alert characteristic threshold value scope, Determine that first judged result is yes;Otherwise, it determines first judged result is no.
Step 105:When first judged result represents no, the real-time of each security protection detection equipment of acquisition is returned The step of detecting signal.
Step 106:When first judged result represents to be, it is preliminary abnormal letter to determine the real time detection signal Number.
Step 107:Judge that the preliminary abnormal signal whether caused by state of weather, obtains the second judged result.
In the present embodiment, judge whether the specific steps caused by state of weather include the preliminary abnormal signal:
Obtain and be located at the first infrared induction signal and the second infrared induction signal, the first infrared induction signal is doorway The infrared induction signal of the first thermal infrared sensor detection at place and/or window, the second infrared induction signal is interior The infrared induction signal detected away from first thermal infrared sensor for the second thermal infrared sensor of setpoint distance;
Determine the time difference of the first infrared induction signal and the second infrared induction signal;
The movement velocity of the motive objects with infra-red radiation is calculated according to the time difference and the setpoint distance;
Obtain the wind speed of the time point corresponding wind speed measurement device detection of the first infrared induction signal;
Judge whether the movement velocity is equal to the wind speed, if so, determining the preliminary abnormal signal by state of weather It is caused;
If it is not, determining that the preliminary abnormal signal is not caused by state of weather.
The judgment mode is applied to the situation that outside air temperature is higher than indoor air temperature, when door or window opening, room Outer higher temperatures air is got in, and can produce heat radiation, then thermal infrared sensor can detect infrared signal, by setting wind Fast detector detects wind speed, then sets two thermal infrared sensors for having distance, is detected respectively by two thermal infrared sensors The time difference of infrared induction signal, the movement velocity of the motive objects with infra-red radiation, comparing motion speed and wind speed can be calculated To judge whether the motive objects with infra-red radiation get in the correlation detection signal produced as outdoor higher temperatures.If motion Speed and wind speed are unequal, can determine that there are the motive objects of infra-red radiation not to be wind for this, but people or object.
Step 108:When the second judged result represents to be, the real-time detection for obtaining each security protection detection equipment is returned The step of signal.
Step 109:When the second judged result represents no, judge the preliminary abnormal signal whether by user's factor institute Cause, obtain the 3rd judged result;
Step 110:When the 3rd judged result represents to be, the real-time detection for obtaining each security protection detection equipment is returned The step of signal;
Step 111:When the 3rd judged result represents no, it is alert signal to determine the preliminary abnormal signal, and Alarm signal is sent to safety-protection system.
In the step, judge whether the specific steps caused by user's factor include the preliminary abnormal signal:
Obtain enabling duration;
Judge whether the enabling duration belongs to default normal door duration;
If so, determining that the preliminary abnormal signal is caused by user's factor;
If it is not, detecting whether incomer is user using aided-detection device, if so, determining that the preliminary abnormal signal is Caused by user's factor;If it is not, determining that the preliminary abnormal signal is not caused by user's factor.
Wherein, aided-detection device can be intelligent check card equipment or face recognition device.It can also be that other can know The equipment of other user identity.Eliminate and can determine that the preliminary abnormal signal is alert signal after user's factor, you can make phase The warning message answered.
As an alternative embodiment, it is different from the embodiment described above, judge that the preliminary abnormal signal is The no specific steps caused by state of weather, can also include:
The Weather information announced according to network obtains the state of weather of the preliminary abnormal signal correspondence time, the weather State includes:Wind direction, wind-force, precipitation.The wind direction, wind-force, precipitation belong to meteorological technical term, and it can be according to network The Weather information of announcement and corresponding meteorological terminology standard can determine wind direction, wind-force, the concrete numerical value of precipitation and numerical value Scope.
According to the impulsive force of the numerical value determination of wind direction, wind-force and precipitation in the state of weather on the door with window.
Glass vibration frequency range is determined according to the impulsive force of the door and window.
Judge whether the window vibration frequency in the preliminary abnormal signal belongs to the glass vibration frequency range, if It is to determine that second judged result represents to be;If it is not, determining that second judged result represents no.
The determination methods are applied to have wind weather and have sleety weather, and these natural situations can all result in shaking for door and window It is dynamic, different degrees of damage can be also caused to door and window, therefore, it is also desirable to exclude harsh weather to needing the spacial influence of security protection.
It is corresponding with the alarm method that false alert is filtered out in above-mentioned safety-protection system, the safety-protection system that the present embodiment is provided In filter out the warning system of false alert and include:
Alert information acquisition unit 201, for obtaining each security protection detection equipment detection when the true alert of history occurs Alert information;
Feature extraction unit 202, the feature for extracting the alert information;
Real time detection signal acquiring unit 203, the real time detection signal for obtaining each security protection detection equipment;
First judging unit 204, for judging one by one in the real time detection signal with the presence or absence of the alert information Feature, obtains the first judged result;
First returning unit 205, for when first judged result represents no, returning to each security protection of acquisition inspection The step of real time detection signal of measurement equipment;
Preliminary abnormal signal determining unit 206, for when first judged result represents to be, determining the real-time inspection Survey signal is preliminary abnormal signal;
Second judging unit 207, for judging that the preliminary abnormal signal whether caused by state of weather, obtains second and sentenced Disconnected result;
Second returning unit 208, sets for when the second judged result represents to be, returning to described each security protection detection of acquisition The step of standby real time detection signal;
3rd judging unit 209, for when the second judged result represents no, judge the preliminary abnormal signal whether by Caused by user's factor, the 3rd judged result is obtained;
3rd returning unit 210, for when the 3rd judged result represents to be, return to obtain each security protection detection and set The step of standby real time detection signal;
Alarm signal transmitting element 211, for when the 3rd judged result represents no, determining the preliminary abnormal letter Number be alert signal, and to safety-protection system send alarm signal.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other Between the difference of embodiment, each embodiment identical similar portion mutually referring to.For system disclosed in embodiment For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part It is bright.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said The bright method and its core concept for being only intended to help to understand the present invention;Simultaneously for those of ordinary skill in the art, foundation The thought of the present invention, will change in specific embodiments and applications.In summary, this specification content is not It is interpreted as limitation of the present invention.

Claims (10)

1. the alarm method of false alert is filtered out in a kind of safety-protection system, it is characterised in that the alarm method includes:
Obtain the alert information of each security protection detection equipment detection when the true alert of history occurs;
Extract the feature of the alert information;
Obtain the real time detection signal of each security protection detection equipment;
The feature with the presence or absence of the alert information in the real time detection signal is judged one by one, obtains the first judged result;
When first judged result represents no, the step of the real time detection signal for obtaining each security protection detection equipment is returned Suddenly;
When first judged result represents to be, it is preliminary abnormal signal to determine the real time detection signal;
Judge that the preliminary abnormal signal whether caused by state of weather, obtains the second judged result;
When second judged result represents to be, the step of the real time detection signal for obtaining each security protection detection equipment is returned Suddenly;
When second judged result represents no, the preliminary abnormal signal is judged whether caused by user's factor, obtains Three judged results;
When the 3rd judged result represents to be, the step of returning to the real time detection signal for obtaining each security protection detection equipment;
When the 3rd judged result represents no, it is alert signal to determine the preliminary abnormal signal, and is sent out to safety-protection system Send alarm signal.
2. according to the method described in claim 1, it is characterised in that the feature for extracting the alert information, specifically include:
The number range of the detection signal of each security protection detection equipment when determining that true alert occurs according to the alert information;
It is each corresponding alert characteristic threshold value scope of detection signal to determine each described number range.
3. method according to claim 2, it is characterised in that the security protection detection equipment includes:Door switch detector, window Switch detector, glass break detector, window vibrating detector, wind speed measurement device, thermal infrared sensor;The real-time detection letter Number include enabling duration, windowing duration, glass breaking audio signal, window vibration frequency, wind speed, infrared induction signal.
4. method according to claim 3, it is characterised in that described to judge whether deposited in the real time detection signal one by one In the feature of the alert information, the first judged result is obtained, is specifically included:
The enabling duration, the windowing duration, the glass breaking audio signal, the window vibration frequency, institute are judged one by one State wind speed and whether the infrared induction signal belongs to the respective alert characteristic threshold value scope;
If at least one judged result represents that the real time detection signal belongs to the corresponding alert characteristic threshold value scope, it is determined that First judged result is yes;Otherwise, it determines first judged result is no.
5. method according to claim 4, it is characterised in that described to judge whether the preliminary abnormal signal is vaporous by day Caused by state, the second judged result is obtained, is specifically included:
Obtain and be located at the first infrared induction signal and the second infrared induction signal, the first infrared induction signal is at doorway And/or the infrared induction signal of the first thermal infrared sensor detection at window, the second infrared induction signal for it is indoor away from The infrared induction signal that first thermal infrared sensor detects for the second thermal infrared sensor of setpoint distance;
Determine the time difference of the first infrared induction signal and the second infrared induction signal;
The movement velocity of the motive objects with infra-red radiation is calculated according to the time difference and the setpoint distance;
Obtain the wind speed of the time point corresponding wind speed measurement device detection of the first infrared induction signal;
Judge whether the movement velocity is equal to the wind speed, if so, determining the preliminary abnormal signal caused by state of weather;
If it is not, determining that the preliminary abnormal signal is not caused by state of weather.
6. method according to claim 4, it is characterised in that judge the preliminary abnormal signal whether by weather described Caused by state, before obtaining the second judged result, in addition to:
The Weather information announced according to network obtains the state of weather of the preliminary abnormal signal correspondence time, the state of weather Including:Wind direction, wind-force, precipitation.
7. method according to claim 5, it is characterised in that described to judge whether the preliminary abnormal signal is vaporous by day Caused by state, the second judged result is obtained, is specifically included:
According to the impulsive force of the numerical value determination of wind direction, wind-force and precipitation in the state of weather on the door with window;
Glass vibration frequency range is determined according to the impulsive force of the door and window;
Judge whether the window vibration frequency in the preliminary abnormal signal belongs to the glass vibration frequency range, if so, Determine that second judged result represents to be;If it is not, determining that second judged result represents no.
8. according to the method described in claim 1, it is characterised in that it is described judge the preliminary abnormal signal whether by user because Caused by plain, specifically include:
Obtain enabling duration;
Judge whether the enabling duration belongs to default normal door duration;
If so, determining that the preliminary abnormal signal is caused by user's factor;
If it is not, detect whether incomer is user using aided-detection device, if so, determine the preliminary abnormal signal be by with Caused by the factor of family;If it is not, determining that the preliminary abnormal signal is not caused by user's factor.
9. method according to claim 7, it is characterised in that the aided-detection device is intelligent check card equipment or face Identification equipment.
10. the warning system of false alert is filtered out in a kind of safety-protection system, it is characterised in that the warning system includes:
Alert information acquisition unit, the alert letter for obtaining each security protection detection equipment detection when the true alert of history occurs Breath;
Feature extraction unit, the feature for extracting the alert information;
Real time detection signal acquiring unit, the real time detection signal for obtaining each security protection detection equipment;
First judging unit, for judging the feature in the real time detection signal with the presence or absence of the alert information one by one, is obtained To the first judged result;
First returning unit, for when first judged result represents no, returning to described each security protection detection equipment of acquisition Real time detection signal the step of;
Preliminary abnormal signal determining unit, for when first judged result represents to be, determining the real time detection signal For preliminary abnormal signal;
Second judging unit, for judging that the preliminary abnormal signal whether caused by state of weather, obtains the second judged result;
Second returning unit, for when the second judged result represents to be, returning to the reality for obtaining each security protection detection equipment When detection signal the step of;
3rd judging unit, for when the second judged result represents no, judge the preliminary abnormal signal whether by user because Caused by plain, the 3rd judged result is obtained;
3rd returning unit, for when the 3rd judged result represents to be, returning to the reality for obtaining each security protection detection equipment When detection signal the step of;
Alarm signal transmitting element, for representing no when the 3rd judged result, it is alert to determine the preliminary abnormal signal Signal, and send alarm signal to safety-protection system.
CN201710560059.XA 2017-07-11 2017-07-11 Alarm method and system for filtering false alarm condition in security system Active CN107204106B (en)

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