CN106781160A - A kind of pair of IRDS and detection method - Google Patents
A kind of pair of IRDS and detection method Download PDFInfo
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- CN106781160A CN106781160A CN201611192398.9A CN201611192398A CN106781160A CN 106781160 A CN106781160 A CN 106781160A CN 201611192398 A CN201611192398 A CN 201611192398A CN 106781160 A CN106781160 A CN 106781160A
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- 238000001514 detection method Methods 0.000 title claims abstract description 163
- 230000000694 effects Effects 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 230000001960 triggered effect Effects 0.000 claims description 32
- 230000002512 anti-withdrawal effect Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 6
- 241001269238 Data Species 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 7
- 230000009545 invasion Effects 0.000 description 5
- 230000004913 activation Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012300 Sequence Analysis Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008782 phagocytosis Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation 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
- G08B13/19—Actuation 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 infrared-radiation detection systems
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Abstract
The present invention relates to a kind of pair of IRDS and detection method.Including：First infrared sensor is arranged on one end of substrate, for detecting the personnel activity track in the first detection zone；Second infrared sensor is arranged on the other end of substrate, for detecting the personnel activity track in the second detection zone；Space separating board is arranged between the first infrared sensor and the second infrared sensor so that the search coverage of the first infrared sensor and the second infrared sensor is not overlapped；First and second temperature sensor and the first infrared sensor homonymy are installed, the environment temperature for detecting first and second infrared sensor.The present invention is by gathering two temperature datas of infrared sensor and combining the corresponding time difference, screen interference of the hot and cold air to system, reduce because hot and cold air, strong illumination, frequency electromagnetic waves produce wrong report, infrared sensor can be effectively reduced and occur failing to report and rate of false alarm.
Description
Technical field
The present invention relates to safety-security area, more specifically to a kind of pair of IRDS and detection method.
Background technology
With society and it is economical continue to develop, the living standard of people is improved constantly, and also day is increasingly for household safe consciousness
By force.To ensure safety of life and property, increasing family introduces intelligent means-household monitoring system.
For balcony, the detection of the part such as window is general, and use is all infrared sensor to existing safety-protection system, infrared biography
Sensor power consumption is relatively low, can apply on wireless product, but higher for environmental requirement, easily by hot and cold air, sun
The influence of light irradiation etc., produces wrong report, therefore, temperature sensor can be increased more than infrared sensor, it is acquired by temperature,
So as to the result to infrared acquisition is compensated, although so greatly reducing the possibility that high IR false triggering is risen due to temperature
Property, but, can not suppress well for the wrong report that other some reasons cause, for example, hot and cold air, light direct projection,
Frequency electromagnetic waves etc..
Therefore, in just actually used, the wrong report problem of infrared sensor still can to perplexed using producing, how
Do not produce and reduce rate of false alarm in the case of failing to report, be one of problem anxious to be resolved in industry.
The content of the invention
The technical problem to be solved in the present invention is, for prior art it is above-mentioned occur infrared sensor occur failing to report and
The defect of wrong report, there is provided a kind of pair of IRDS and detection method.
The technical solution adopted for the present invention to solve the technical problems is：A kind of pair of IRDS of construction, including：The
One infrared sensor, the second infrared sensor, the first temperature sensor, second temperature sensor, space separating board, processor, its
In,
First infrared sensor is arranged on one end of substrate, for detecting the personnel activity's rail in the first detection zone
Mark；
Second infrared sensor is arranged on the other end of the substrate, for detecting the personnel in the second detection zone
Event trace, first detection zone and the second detection zone are not overlapped；
The space separating board is arranged between first infrared sensor and second infrared sensor, for isolating
First infrared sensor and second infrared sensor so that first infrared sensor and the second infrared biography
The search coverage of sensor is not overlapped；
First temperature sensor is installed with the first infrared sensor homonymy, for detecting the described first infrared biography
The environment temperature of sensor；
The second temperature sensor is installed with the second infrared sensor homonymy, for detecting the described second infrared biography
The environment temperature of sensor；
The processor connects first infrared sensor, second infrared sensor, first temperature respectively
Sensor and the second temperature sensor, for receiving and process first infrared sensor, the second infrared biography
The data of sensor, first temperature sensor and the second temperature sensor collection.
Preferably, of the present invention pair of IRDS, also includes：Antiwithdrawal device, the antiwithdrawal device is arranged on
Described pair between IRDS and mounting surface, for detect described pair of IRDS whether with the mounting surface point
From.
Preferably, of the present invention pair of IRDS, also includes：Wireless transmitter module, the wireless transmission mould
Block is connected with the processor, for sending information and/or the alarm that described pair of IRDS is detected by wireless signal
Information.
Separately, invention additionally discloses a kind of detection method for double IRDSs, methods described is applied to above-mentioned double
IRDS, comprises the steps：
S1：First infrared sensor detects the personnel activity track in the first detection zone, the detection of the second infrared sensor
Personnel activity track in second detection zone, the first temperature sensor detects the environment temperature of first infrared sensor,
Second temperature sensor detects the environment temperature of second infrared sensor；
S2：Detection temperature according to first temperature sensor obtains the first triggering thresholding, according to the second temperature
The detection temperature of sensor obtains the second triggering thresholding；
S3：Whether the detectable signal of first infrared sensor is judged more than the described first triggering thresholding, and is judged
Whether the detectable signal of second infrared sensor is more than the described second triggering thresholding；
S4：If the detectable signal of first infrared sensor is more than the described first triggering thresholding, described first is infrared
Sensor is in triggering state；If the detectable signal of second infrared sensor is more than the described second triggering thresholding, described
Second infrared sensor is in triggering state；
S5：If first infrared sensor is triggered prior to second infrared sensor, it is judged to user from described
First detection zone enters second detection zone, and alert；
S6：If second infrared sensor is triggered prior to first infrared sensor, it is judged to user from described
Second detection zone normally enters first detection zone, not alert.
Preferably, the detection method for double IRDSs of the present invention, the step S3 includes：
First infrared sensor and the analog signal of second infrared sensor collection are put by operational amplifier
Transmitted to processor after big；
The processor gathers the magnitude of voltage of the analog signal and the described first triggering thresholding and the second triggering thresholding enter
Row compares.
Preferably, the detection method for double IRDSs of the present invention, repeats the step S1-
S4,
If the detectable signal of first infrared sensor reaches preset times more than the number of times of the described first triggering thresholding,
Then judge that first infrared sensor is in triggering state；
If the detectable signal of second infrared sensor reaches described default more than the number of times of the described second triggering thresholding
Number of times, then judge that second infrared sensor is in triggering state.
Preferably, the detection method for double IRDSs of the present invention, the step S5 includes：
Judge first infrared sensor and second infrared sensor triggered time interval whether between default
In the range of；
If so, then it is judged to that user invades second detection zone from first detection zone, and by wireless hair
Penetrate module alert；
If it is not, being then judged to that user normally enters second detection zone from first detection zone, report is not sent
Alert information.
Preferably, the detection method for double IRDSs of the present invention, the step S5 includes：
Judge the rising of the detection temperature of first temperature sensor and the detection temperature of the second temperature sensor
Whether time and elevation amplitude match；
If so, being then judged to that user normally enters second detection zone from first detection zone, report is not sent
Alert information；
If it is not, then it is judged to that user invades second detection zone from first detection zone, and by wireless hair
Penetrate module alert.
Preferably, the detection method for double IRDSs of the present invention, also includes：
S7：Whether detection antiwithdrawal device is triggered, if so, then passing through wireless transmitter module alert.
Preferably, the detection method for double IRDSs of the present invention, the step S7 includes：
It is triggered simultaneously in the detection antiwithdrawal device, if second infrared sensor is touched prior to the antiwithdrawal device
Hair, then not alert.
Implement a kind of pair of IRDS of the invention and detection method, have the advantages that：By collection two
The temperature data of individual infrared sensor, screens out overall temperature situation higher, is reduced because temperature is higher by weighting algorithm
The wrong report of generation；And the corresponding time difference is combined, and interference of the hot and cold air to system is screened, reduce because the mistake of hot and cold air generation
Report；Strong illumination can also be avoided to produce wrong report by triggering status analysis, and high frequency is avoided by triggered time sequence analysis
Electromagnetic Interference produces wrong report.To sum up, infrared sensor can be effectively reduced to occur failing to report and rate of false alarm.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is a kind of pair of structural representation of IRDS of the invention；
Fig. 2 is a kind of pair of structural representation of IRDS first embodiment of the invention；
Fig. 3 is a kind of pair of schematic flow sheet of the detection method of IRDS of the invention.
Specific embodiment
In order to be more clearly understood to technical characteristic of the invention, purpose and effect, now compare accompanying drawing and describe in detail
Specific embodiment of the invention.
As shown in figure 1, being a kind of pair of structural representation of IRDS of the invention.
Specifically, this pair of IRDS includes：First infrared sensor, the second infrared sensor, the first temperature are passed
Sensor, second temperature sensor, space separating board, processor, antiwithdrawal device, wireless transmitter module, substrate, wherein,
First infrared sensor is arranged on one end of substrate, for detecting the personnel activity track in the first detection zone；
Second infrared sensor is arranged on the other end of substrate, for detecting the personnel activity track in the second detection zone.First is red
Need to keep enough distances between outer sensor and the second infrared sensor, so that the first detection zone and the second detection zone are not
Overlap.
To make the first detection zone and the second detection zone not overlap, in the first infrared sensor and the second infrared sensor
Between set a space separating board, space separating board be used for isolate the first infrared sensor and the second infrared sensor so that first
The search coverage of infrared sensor and the second infrared sensor is not overlapped.With reference to Fig. 1, the detection zone of the first infrared sensor is
First infrared sensor detection range, the first infrared sensor detection range is the right side detection range of the first infrared sensor；
The detection zone of the second infrared sensor is the second infrared sensor detection range, and the second infrared sensor detection range is second
The left side detection range of infrared sensor.Blocked by space separating board in the left side of the first infrared sensor so that the first infrared sensing
Device can not detect the second infrared sensor detection range of the second infrared sensor；Similarly, the right side of the second infrared sensor
Blocked by space separating board so that the second infrared sensor can not detect the first infrared sensor detection of the first infrared sensor
Scope.Preferably, the angle of the height of space separating board and space separating board edge step need to ensure that the first infrared sensor cannot
It is mapped to according to the illumination for coming from the second infrared sensor direction, vice versa.
First temperature sensor and the first infrared sensor homonymy are installed, the environment temperature for detecting the first infrared sensor
Degree；The distance between first temperature sensor and first infrared sensor should be as far as possible small, to ensure to detect the first infrared sensor
Environment temperature accuracy, it is preferable that the first temperature sensor be close to the first infrared sensor installation.Second temperature sensor
Installed with the second infrared sensor homonymy, the environment temperature for detecting the second infrared sensor；Second temperature sensor and the
The distance between two infrared sensors should be as far as possible small, excellent to ensure the accuracy of the environment temperature for detecting the second infrared sensor
Selection of land, second temperature sensor is close to the installation of the second infrared sensor.
Processor connects the first infrared sensor, the second infrared sensor, the first temperature sensor and the second temperature respectively
Degree sensor, for receiving and processes the first infrared sensor, the second infrared sensor, the first temperature sensor and second
The data of temperature sensor collection.Processor uses compartment working method, and wheel chip detects the first infrared sensor, the first temperature
Degree sensor, the second infrared sensor, second temperature sensor, one time are all detected with upper-part and are referred to as a detection week
Phase.Such as testing result situation without exception, the time processor outside detection in a dormant state or other low power consumpting states, with
Reduce the consumption to battery.Processor is that the signal of the first infrared sensor passes through to the detection mode of the first infrared sensor
Operational amplifier reaches processor, the voltage signal of processor collection simulation after amplifying, then (first triggers thresholding with triggering thresholding
With the second triggering thresholding) it is compared.When signal intensity is prescribed a time limit more than trigger gate, judge that the first infrared sensor is in activation shape
State.Preferably, triggering thresholding herein is a value for the weighting for being subject to moment corresponding temperature sensor detection temperature, that is, touch
Hair thresholding is wheel piece cycle dynamic change over time, the triggering thresholding of any time and the temperature of moment sensor proximity
Degree is related.Processor is identical with the first infrared sensor to the detection mode of the second infrared sensor, repeats no more.
Antiwithdrawal device is arranged on double between IRDS and mounting surface, for detect double IRDSs whether with
Mounting surface is separated.If detecting double IRDSs to be separated with mounting surface, alarm signal is sent by wireless transmitter module
Breath.Preferably, antiwithdrawal device includes but is not limited to snap switch, optoelectronic switch, microswitch etc..
Wireless transmitter module, wireless transmitter module is connected with processor, for sending double infrared acquisitions by wireless signal
The information and/or warning message of system detection.
As shown in Fig. 2 being a kind of pair of structural representation of IRDS first embodiment of the invention.
Specifically, double IRDSs of the present embodiment are used in house safety-protection system, this pair of IRDS peace
Mounted in positions such as window, balconies, wherein, the first infrared sensor is outside infrared sensor, and outside infrared sensor is used to visit
Survey the region that house outside is likely to occur invasion premises；Second infrared sensor is inner side infrared sensor, and inner side is infrared
Sensor is used to detect the activity of premises user.
First temperature sensor is temperature outside sensor, and second temperature sensor is inner side temperature sensor；Between barrier
Plate is the shell bossing of double IRDSs.
Double IRDSs of the present embodiment also include：Antiwithdrawal device, wireless transmitter module, substrate, wherein, anti-dismounting
Put and be connected with processor with wireless transmitter module, outside infrared sensor is arranged on one end of substrate, near house in outside, use
The region of invasion premises is likely to occur in detection house outside；Inner side infrared sensor is arranged on the other end of substrate, leans on
Nearly house is in inner side, the activity for detecting premises user.Need to protect between outside infrared sensor and inner side infrared sensor
Enough distances are held, so that the detection zone of the detection zone of outside infrared sensor and inner side infrared sensor is not overlapped.
It is red in outside to make the outside detection zone of infrared sensor and the detection zone of inner side infrared sensor not overlap
One shell bossing is set between outer sensor and inner side infrared sensor, and it is infrared that shell bossing is used for isolation outside
Sensor and inner side infrared sensor.With reference to Fig. 2, the detection zone of outside infrared sensor is outside infrared sensor detection model
Enclose, outside infrared sensor detection range is the right side detection range of outside infrared sensor；The detection of inner side infrared sensor
Region is inner side infrared sensor detection range, and inner side infrared sensor detection range is the left side detection of inner side infrared sensor
Scope.Blocked by shell bossing in the left side of outside infrared sensor so that outside infrared sensor can not detect inner side
The inner side infrared sensor detection range of infrared sensor；Similarly, the right side of inner side infrared sensor is hidden by shell bossing
Gear so that inner side infrared sensor can not detect the outside infrared sensor detection range of outside infrared sensor.Preferably,
The height of shell bossing and the angle of shell bossing edge step need to ensure outside infrared sensor cannot by from
Inner side infrared sensor direction is mapped to according to the illumination for coming, and vice versa.
Temperature outside sensor is installed with outside infrared sensor homonymy, the environment temperature for detecting outside infrared sensor
Degree；The distance between temperature outside sensor and outside infrared sensor should be as far as possible small, to ensure detection outside infrared sensor
Environment temperature accuracy, it is preferable that temperature outside sensor be close to outside infrared sensor install.Inner side temperature sensor
Installed with inner side infrared sensor homonymy, the environment temperature for detecting inner side infrared sensor；Inner side temperature sensor with it is interior
The distance between side infrared sensor should be as far as possible small, excellent to ensure the accuracy of the environment temperature of detection inner side infrared sensor
Selection of land, inner side temperature sensor is close to inner side infrared sensor and is installed.
Processor connects outside infrared sensor, inner side infrared sensor, temperature outside sensor and inner side temperature respectively
Degree sensor, for receiving and processes outside infrared sensor, inner side infrared sensor, temperature outside sensor and inner side
The data of temperature sensor collection.Processor uses compartment working method, wheel chip detection outside infrared sensor, outside temperature
Degree sensor, inner side infrared sensor, inner side temperature sensor, one time are all detected with upper-part and are referred to as a detection week
Phase.Such as testing result situation without exception, the time processor outside detection in a dormant state or other low power consumpting states, with
Reduce the consumption to battery.Processor is that the signal of outside infrared sensor passes through to the detection mode of outside infrared sensor
Operational amplifier reaches processor, the voltage signal of processor collection simulation after amplifying, then (first triggers thresholding with triggering thresholding
With the second triggering thresholding) it is compared.When signal intensity is prescribed a time limit more than trigger gate, judge that outside infrared sensor is in activation shape
State.Preferably, triggering thresholding herein is a value by moment correspondence warming weighting, that is, it is over time to trigger thresholding
Wheel piece cycle dynamic change, the triggering thresholding of any time is related to the temperature of moment sensor proximity.Processor pair
The detection mode of inner side infrared sensor is identical with outside infrared sensor, repeats no more.
Antiwithdrawal device is arranged on double between IRDS and mounting surface, for detect double IRDSs whether with
Mounting surface is separated.If detecting double IRDSs to be separated with mounting surface, alarm signal is sent by wireless transmitter module
Breath.Preferably, antiwithdrawal device includes but is not limited to snap switch, optoelectronic switch, microswitch etc..
Wireless transmitter module, wireless transmitter module is connected with processor, for sending double infrared acquisitions by wireless signal
The information and/or warning message of system detection.
As shown in figure 3, being a kind of pair of schematic flow sheet of the detection method of IRDS of the invention.
Specifically, the method is applied to above-mentioned pair of IRDS, comprise the steps：
S1：First infrared sensor detects the personnel activity track in the first detection zone, the detection of the second infrared sensor
Personnel activity track in second detection zone, the first temperature sensor detects the environment temperature of the first infrared sensor, second
Temperature sensor detects the environment temperature of the second infrared sensor.
Specifically, the first infrared sensor and the second infrared sensor perceive use by infrared light that detection personnel send
The motion at family, and the movement tendency of user can be judged by the change of infrared light light intensity, for example, when the infrared light for detecting user
Light intensity when gradually increasing, illustrate user near infrared sensor；When the light intensity of the infrared light for detecting user is gradually reduced
When, illustrate user away from infrared sensor.
To make the first detection zone and the second detection zone not overlap, in the first infrared sensor and the second infrared sensor
Between set a space separating board, space separating board be used for isolate the first infrared sensor and the second infrared sensor so that first
The search coverage of infrared sensor and the second infrared sensor is not overlapped.With reference to Fig. 1, the detection zone of the first infrared sensor is
First infrared sensor detection range, the first infrared sensor detection range is the right side detection range of the first infrared sensor；
The detection zone of the second infrared sensor is the second infrared sensor detection range, and the second infrared sensor detection range is second
The left side detection range of infrared sensor.Blocked by space separating board in the left side of the first infrared sensor so that the first infrared sensing
Device can not detect the second infrared sensor detection range of the second infrared sensor；Similarly, the right side of the second infrared sensor
Blocked by space separating board so that the second infrared sensor can not detect the first infrared sensor detection of the first infrared sensor
Scope.Preferably, the angle of the height of space separating board and space separating board edge step need to ensure that the first infrared sensor cannot
It is mapped to according to the illumination for coming from the second infrared sensor direction, vice versa.
S2：Detection temperature according to the first temperature sensor obtains the first triggering thresholding, according to second temperature sensor
Detection temperature obtains the second triggering thresholding；First triggering thresholding and the second triggering thresholding are visited by the moment corresponding temperature sensor
The value of the weighting of measured value, i.e., the first triggering thresholding and the second triggering thresholding are to take turns piece cycle dynamic change over time, arbitrarily
The first triggering thresholding at moment and the second triggering thresholding are related to the temperature near the moment infrared sensor.
S3：Whether the detectable signal of the first infrared sensor is judged more than the first triggering thresholding, and judges that second is infrared
Whether the detectable signal of sensor is more than the second triggering thresholding；
Preferably, step S3 includes：First infrared sensor and the analog signal of the second infrared sensor collection are by fortune
Calculate after amplifier amplifies and transmit to processor；The magnitude of voltage and the first triggering thresholding of processor collection analog signal and the second triggering
Thresholding is compared.
Specifically, processor connect respectively the first infrared sensor, the second infrared sensor, the first temperature sensor, with
And second temperature sensor, for receiving and process the first infrared sensor, the second infrared sensor, the first temperature sensor,
And the data of second temperature sensor collection.Processor uses compartment working method, and wheel chip detects the first infrared sensing
Device, the first temperature sensor, the second infrared sensor, second temperature sensor, are all detected one time with upper-part and are referred to as one
Individual detection cycle.Such as testing result situation without exception, the time processor outside detection is in a dormant state or other low work(
Consumption state, to reduce the consumption to battery.Processor is to the detection mode of the first infrared sensor, the first infrared sensor
Signal reaches processor after operational amplifier amplifies, the voltage signal of processor collection simulation, then with triggering thresholding (first
Triggering thresholding and the second triggering thresholding) it is compared.When signal intensity is prescribed a time limit more than trigger gate, judge at the first infrared sensor
In state of activation.Preferably, triggering thresholding herein is a value by moment correspondence warming weighting, that is, triggering thresholding is
Wheel piece cycle dynamic change over time, the triggering thresholding of any time is related to the temperature of moment sensor proximity.
Processor is identical with the first infrared sensor to the detection mode of the second infrared sensor, repeats no more.
S4：If the detectable signal of the first infrared sensor is in and touches more than the first triggering thresholding, the first infrared sensor
Hair-like state；If the detectable signal of the second infrared sensor is in triggering shape more than the second triggering thresholding, the second infrared sensor
State；
Preferably, judge whether infrared sensor is triggered more than threshold value by single in above-mentioned steps S4, so
Easily cause false touch, to reduce the probability of false triggering, repeated detection should be used, therefore, step S1-S4 is repeated, enter again afterwards
Row judges：
If the detectable signal of the first infrared sensor reaches preset times more than the number of times of the first triggering thresholding, the is judged
One infrared sensor is in triggering state；If the detectable signal of the second infrared sensor reaches more than the number of times of the second triggering thresholding
Preset times, then judge that the second infrared sensor is in triggering state.Preset times can be counted according to long-term detection data and drawn,
Also dependent on setting is actually needed, do not limit herein.
Specifically, if continuous several cycle detections trigger thresholding to the detectable signal of certain infrared sensor more than its,
Then judge that the infrared sensor is triggered.If detecting the second infrared sensor to trigger in advance, processor enters resting state
Some time, no longer each sensor is detected, until dormancy time terminates.If it is leading to detect the first infrared sensor
Triggering, triggers after the second infrared sensor, then carry out following exclusion item and judge, if excluding all nonevent situation of item below,
It is judged to there is illegal invasion, alarm signal is launched by wireless transmitter module.
S5：If the first infrared sensor is triggered prior to the second infrared sensor, it is judged to user from the first detection zone
Into the second detection zone, and alert；
Preferably, the detection method for double IRDSs of the invention, step S5 includes：
Judge that whether the first infrared sensor and the triggered time of the second infrared sensor are spaced in the range of predetermined interval,
Predetermined interval scope includes a preset maximum value and predetermined minimum.Specifically, predetermined interval scope can be multiple according to statistics
The invasion time obtains, or user is configured as needed.
If the triggered time of the first infrared sensor and the second infrared sensor is spaced in the range of predetermined interval, judge
For user invades the second detection zone from the first detection zone, and by wireless transmitter module alert；
If the triggered time of the first infrared sensor and the second infrared sensor is spaced not in the range of predetermined interval, sentence
It is set to user and normally enters the second detection zone from the first detection zone, not alert.
For example in the first embodiment, by judging, when outside infrared sensor and inner side infrared sensor are all triggered,
Need to judge both triggered time intervals, judge that outside infrared sensor is with the triggered time interval of inner side infrared sensor
It is no in rational scope, can not be more than predetermined interval scope preset maximum value.The structure design of coupling system, in system
In investigative range, any action of the invader after infrared sensor on the outside of triggering can all refresh infrared sensor on the outside of its triggering
Time, thus can not possibly occur outside infrared sensor triggered time and the inner side infrared sensor triggered time be spaced it is long
Situation, if there is after mostly outside infrared sensor is subject to high light interference triggering, inner side infrared sensor is touched by indoor occupant
Hair, should be judged to false triggering, not alert.
In addition, also to judge outside infrared sensor with the time interval of the triggering of inner side infrared sensor whether in conjunction
In the range of reason, the predetermined minimum of predetermined interval scope is not smaller than, coupling system structure design, invader detects from outside
Region is really to need one by the time into inner side search coverage, if trigger interval passes through the time less than minimum, is entered
The person of invading can not possibly complete phagocytic process, so this triggering real category false triggering, may for frequency electromagnetic waves, high temperature etc. have influence on it is red
Outer sensor, thus exclude, not alarm.
Preferably, the detection method for double IRDSs of the invention, step S5 includes：
Judge the rise time and liter of the detection temperature of the first temperature sensor and the detection temperature of second temperature sensor
Whether high-amplitude matches；
If so, be then judged to that user normally enters the second detection zone from the first detection zone, not alert；If
It is no, then it is judged to that user invades the second detection zone from the first detection zone, and by wireless transmitter module alert.
For example in the first embodiment, if the temperature of temperature outside sensor is obvious when outside infrared sensor is triggered
Raise, inner side temperature sensor is significantly raised when inner side infrared sensor is triggered, (temperature outside is sensed two temperature sensors
Device, inner side temperature sensor) time and two infrared sensors of temperature change touch that (outside infrared sensor, inner side are infrared
Sensor) the hair time matches, and is judged to flow perturbation, excludes, not alarm.
S6：If the second infrared sensor is triggered prior to the first infrared sensor, it is judged to user from the second detection zone
The first detection zone is normally entered, not alert.
Specifically, such as second embodiment, when inner side infrared sensor is triggered prior to outside infrared sensor, illustrates to use
Family is from being moved to outside room within doors, be judged to legitimate activity, not alert.The infrared report of differentiation that so can be more careful
Alert the reason for, the alarm condition that normal activity occurs is excluded, reduce the infrared sensor triggering i.e. wrong report probability of alarm.
S7：Whether detection antiwithdrawal device is triggered, if so, then passing through wireless transmitter module alert.Specifically,
If triggering device is moved or removed, illustrate that double IRDSs are trespassed, then by wireless transmitter module
Alert.Preferably, warning message is sent to safety-protection system, and safety-protection system makes corresponding alarm measure.
Preferably, step S7 includes：It is triggered simultaneously in detection antiwithdrawal device, if the second infrared sensor is prior to anti-dismounting
Put and be triggered, then not alert.For example in implementing first, inner side infrared sensor is detected prior to antiwithdrawal device quilt
Triggering, it, from antiwithdrawal device is removed within doors, is not illegal invasion to illustrate that user is, so not alert.So can be more
The reason for careful differentiation infrared alarm, reduce the wrong report probability of antiwithdrawal device.Opposite, if detecting the first infrared sensing
Device is triggered prior to antiwithdrawal device, then illustrate that antiwithdrawal device is removed from outdoor, alert.
The present invention screens out overall temperature situation higher by gathering two temperature datas of infrared sensor, passes through
Weighting algorithm reduces the wrong report produced because temperature is higher；And the corresponding time difference is combined, interference of the hot and cold air to system is screened,
Reduce because the wrong report of hot and cold air generation；Strong illumination can also be avoided to produce wrong report by triggering status analysis, and passed through
Triggered time sequence analysis avoids high-frequency electromagnetic wave interference from producing wrong report.To sum up, infrared sensor can be effectively reduced to occur failing to report
And rate of false alarm.
Above example only technology design and feature to illustrate the invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implement accordingly, can not limit the scope of the invention.It is all to be wanted with right of the present invention
The impartial change that scope is done and modification are asked, the covering scope of the claims in the present invention all should be belonged to.
Claims (10)
1. a kind of pair of IRDS, it is characterised in that including：First infrared sensor, the second infrared sensor, the first temperature
Degree sensor, second temperature sensor, space separating board, processor, wherein,
First infrared sensor is arranged on one end of substrate, for detecting the personnel activity track in the first detection zone；
Second infrared sensor is arranged on the other end of the substrate, for detecting the personnel activity in the second detection zone
Track, first detection zone and the second detection zone are not overlapped；
The space separating board is arranged between first infrared sensor and second infrared sensor, described for isolating
First infrared sensor and second infrared sensor so that first infrared sensor and second infrared sensor
Search coverage do not overlap；
First temperature sensor is installed with the first infrared sensor homonymy, for detecting first infrared sensor
Environment temperature；
The second temperature sensor is installed with the second infrared sensor homonymy, for detecting second infrared sensor
Environment temperature；
The processor connects first infrared sensor, second infrared sensor, first TEMP respectively
Device and the second temperature sensor, for receiving and process first infrared sensor, second infrared sensing
The data of device, first temperature sensor and the second temperature sensor collection.
2. according to claim 1 pair of IRDS, it is characterised in that also include：Antiwithdrawal device, the anti-dismounting
Put installed in described pair between IRDS and mounting surface, for detect described pair of IRDS whether with the peace
Dress face separates.
3. according to claim 1 pair of IRDS, it is characterised in that also include：Wireless transmitter module, the nothing
Line transmitter module is connected with the processor, for sending the information that described pair of IRDS is detected by wireless signal
And/or warning message.
4. a kind of detection method for double IRDSs, it is characterised in that methods described is applied to claim 1-3 and appoints
Double IRDSs described in one, comprise the steps：
S1：First infrared sensor detects the personnel activity track in the first detection zone, the second infrared sensor detection second
Personnel activity track in detection zone, the first temperature sensor detects the environment temperature of first infrared sensor, second
Temperature sensor detects the environment temperature of second infrared sensor；
S2：Detection temperature according to first temperature sensor obtains the first triggering thresholding, is sensed according to the second temperature
The detection temperature of device obtains the second triggering thresholding；
S3：Whether the detectable signal of first infrared sensor is judged more than the described first triggering thresholding, and judges described
Whether the detectable signal of the second infrared sensor is more than the described second triggering thresholding；
S4：If the detectable signal of first infrared sensor is more than the described first triggering thresholding, first infrared sensing
Device is in triggering state；If the detectable signal of second infrared sensor is more than the described second triggering thresholding, described second
Infrared sensor is in triggering state；
S5：If first infrared sensor is triggered prior to second infrared sensor, it is judged to user from described first
Detection zone enters second detection zone, and alert；
S6：If second infrared sensor is triggered prior to first infrared sensor, it is judged to user from described second
Detection zone normally enters first detection zone, not alert.
5. the detection method for double IRDSs according to claim 4, it is characterised in that the step S3 bags
Include：
First infrared sensor and the analog signal of second infrared sensor collection are after operational amplifier amplifies
Transmit to processor；
The processor gathers the magnitude of voltage of the analog signal and the described first triggering thresholding and the second triggering thresholding are compared
Compared with.
6. the detection method for double IRDSs according to claim 4, it is characterised in that repeat described
Step S1-S4,
If the detectable signal of first infrared sensor reaches preset times more than the number of times of the described first triggering thresholding, sentence
Fixed first infrared sensor is in triggering state；
If the detectable signal of second infrared sensor reaches the preset times more than the number of times of the described second triggering thresholding,
Then judge that second infrared sensor is in triggering state.
7. the detection method for double IRDSs according to claim 4, it is characterised in that the step S5 bags
Include：
Judge that whether first infrared sensor is spaced in predetermined interval model with the triggered time of second infrared sensor
In enclosing；
If so, then it is judged to that user invades second detection zone from first detection zone, and by wireless transmission mould
Block alert；
If it is not, being then judged to that user normally enters second detection zone from first detection zone, alarm signal is not sent
Breath.
8. the detection method for double IRDSs according to claim 4, it is characterised in that the step S5 bags
Include：
Judge the rise time of the detection temperature of first temperature sensor and the detection temperature of the second temperature sensor
Whether matched with elevation amplitude；
If so, being then judged to that user normally enters second detection zone from first detection zone, alarm signal is not sent
Breath；
If it is not, then it is judged to that user invades second detection zone from first detection zone, and by wireless transmission mould
Block alert.
9. the detection method for double IRDSs according to claim 4, it is characterised in that also include：
S7：Whether detection antiwithdrawal device is triggered, if so, then passing through wireless transmitter module alert.
10. the detection method for double IRDSs according to claim 9, it is characterised in that the step S7
Including：
It is triggered simultaneously in the detection antiwithdrawal device, if second infrared sensor is triggered prior to the antiwithdrawal device,
Then not alert.
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