CN101950468A - Person detecting method and system thereof and automatic switch - Google Patents
Person detecting method and system thereof and automatic switch Download PDFInfo
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- CN101950468A CN101950468A CN 201010256099 CN201010256099A CN101950468A CN 101950468 A CN101950468 A CN 101950468A CN 201010256099 CN201010256099 CN 201010256099 CN 201010256099 A CN201010256099 A CN 201010256099A CN 101950468 A CN101950468 A CN 101950468A
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Abstract
The invention relates to a method and a system thereof and an automatic switch. The person detecting method includes that: if a movable detecting device detects a person who moves relative to the detecting device, a person presence signal is sent out. By adopting the technical scheme of the invention, a person who is static can be detected.
Description
Technical field
The present invention relates to the human body detection field, particularly relate to a kind of human body detection method and system and a kind of automatic switch.
Background technology
Along with the development of human body detection technology, the human body detection product has obtained widespread use in productive life.With the building energy saving illuminator of using this technology is example, and whether this system utilizes detector to survey the people in the corridor, if the people is arranged, then opens corridor lamp and is its illumination, if nobody then closes corridor lamp to reach purpose of saving.Equally, safety alarm system is another example of using the human body detection technology, and this system's operated by rotary motion is in relatively more crucial position, such as company safety cabinet place, when night nobody the time, occur if the detector of safety alarm system detects the someone, then can report to the police at once.
Existing human body detection technology is that detector is fixed on certain position is motionless, and for example the detector in the building energy saving illuminator is the ceiling place that is fixed on corridor, and the detector in the safety alarm system then is positioned at positions such as the ceiling of office or window.Because detector human response's sensitivity to relative displacement, when human body remains static, detector will be because of human body static and test leakage with respect to self, like this, when the people remains static, the detector of building energy saving illuminator can be because corridor lamp be closed in detection less than people's existence, thereby give the people walking, opening the door and carry luggage etc. brings inconvenience, and the detector in the safety alarm system also can not reported to the police less than robber's existence because of surveying, thereby brings about great losses to company.
Summary of the invention
Technical matters to be solved by this invention provides a kind of human body detection method and system and a kind of automatic switch, utilizes technical scheme of the present invention, can detect the human body that remains static.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of human body detection method, this method comprises: if the detector of motion detects the human body of relative displacement, then send human body and have signal.
In addition, the present invention also provides a kind of human body detection system, and this system comprises exploring block and signal generating part, wherein:
Described exploring block is used for, if detect the human body of relative displacement under motion state, then the message that human body is existed sends to described signal generating part;
Described signal generating part is used for, and according to the message that described human body exists, sends human body and has signal.
The invention has the beneficial effects as follows, owing to detector is kept in motion, therefore, if the people remains static, this physiognomy is kept in motion for detector, like this, detector also can detect the human body that this remains static at an easy rate, has signal thereby send human body.
In addition, the present invention also provides a kind of automatic switch, and this automatic switch comprises exploring block, signal generating part, control assembly and switch, wherein,
Described exploring block is used for, if detect the human body of relative displacement under motion state, then the message that human body is existed sends to described signal generating part;
Described signal generating part is used for, and the message according to described human body exists sends human body to described control assembly and has signal;
Described control assembly is used for, and has signal according to described human body, sends the notice that is in "on" position to described switch;
Described switch is used for, and according to the described notice that is in "on" position, is in "on" position.
The invention has the beneficial effects as follows: because after exploring block detects the human body of relative displacement, the message that human body exists can be sent to signal generating part, the message that signal generating part exists according to human body sends human body to control assembly and has signal, then there is signal in control assembly according to human body, send the notice that is in "on" position to switch, switch is according to the notice that is in "on" position, be in "on" position, therefore, detect the human body of relative displacement when exploring block after, can make switch be in "on" position, be widely used in various human body detections field with regard to the automatic switch that makes the present invention propose like this.
Description of drawings
Fig. 1 is a human body detection method flow diagram provided by the invention;
Fig. 2 is a human body detection system construction drawing provided by the invention;
Fig. 3 is an automatic switch structural drawing provided by the invention;
Fig. 4 is the structural drawing of the embodiment of human body detection provided by the invention system;
Fig. 5 is the structural drawing of the building energy saving illuminator embodiment of application automatic switch provided by the invention.
Embodiment
Below in conjunction with accompanying drawing principle of the present invention and feature are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
The present invention proposes a kind of human body detection method, this method comprises: if the detector of motion detects the human body of relative displacement, then send human body and have signal.
Here, detector is kept in motion, and therefore, if the people remains static, this physiognomy is kept in motion for detector, and like this, detector also can detect the human body that this remains static at an easy rate, has signal thereby send human body.
Certainly, if human body is kept in motion, as long as its motion state, the for example size of speed, direction etc., slightly different with the motion state of detector, be with respect to detector and be kept in motion, then detector also can detect the existence of this human body at an easy rate, has signal thereby send human body.
Among the present invention, detector can be for detecting any detector of human body, such as, can be infrared sensor, also can be the acoustic control detector, certainly, also can detect the detector of human body for other.
This method further comprises: if the detector of motion is surveyed the human body less than relative displacement, then send human body and do not have signal.
Here, if the detector in the motion is surveyed the human body less than relative displacement, two kinds of possibilities are then arranged, a kind of is nobody under the present situation, another kind is that the someone exists, and this people's motion state, for example velocity magnitude, direction etc., just and this detector identical, thereby static with respect to this detector.For first kind of possibility, detector sends human body and does not exist signal to belong to right judgement, and for second kind of situation, detector sends human body and do not exist signal then to belong to false judgment, should be avoided.Avoiding method has a variety of, for example, can special mode of motion be set for detector, make human this mode of motion of imitation that is difficult to, thereby make detector and people always be in the relative motion state, this mode of motion can be that turning axle moves in a circle with the axle that passes self for: detector, and whenever finishes circular motion one time, then oppositely does circular motion one time; Or detector is along irregular curvilinear motion; Or detector is done the speed change curvilinear motion, and velocity magnitude obtains by fuzzy control method, and the curvilinear motion track is irregular curve, or the like.This shows,, can avoid producing the human body situation identical, thereby make among the present invention detector always correct the result of detection of human body with the motion state of detector by the method for peculair motion mode is set for detector.
Fig. 1 is a human body detection method flow diagram provided by the invention.As shown in Figure 1, the flow process of above-mentioned human body detection method may further comprise the steps:
Step 101: the detector of motion is surveyed the human body of relative displacement;
Step 102: judge whether to detect the human body of relative displacement, if then execution in step 103, otherwise execution in step 104;
Step 103: send human body and have signal;
Step 104: send human body and do not have signal.
In order to make this method environmental protection of economizing on electricity more, also, the detection mode of detector can be set in this method in order to prolong the serviceable life of detector, for example, its detection mode can for: every through a fixed cycle, detector is once surveyed.Here, the fixed cycle can be random time length, for example, can be for the arbitrary time span between 0 minute to 20 minutes, more excellent, selected for use 1 minute, perhaps selected for use 0.5 minute, certainly, also can select other times length, such as 21 minutes etc.By periodically surveying human body, can save in this method detector and survey the electric power that is consumed, also can reduce the access times of detector simultaneously, prolong its serviceable life, reduce use cost.
Among the present invention, detector is to move under the drive that drives device, and here, driving device can for example, can be stepper motor for driving any device of detector motion, or micromachine, or other can drive the device of detector motion.
Further, driving device is under the control of control device, the drive detector motion.This control device can for example, can be programmable logic controller (PLC) (PLC), or be single chip machine controlling circuit etc. for having any device that control drives the device motion, certainly, also can be other control systems.
Fig. 2 is a human body detection system construction drawing provided by the invention.As shown in Figure 2, this system comprises exploring block 201 and signal generating part 202, wherein:
Exploring block 201 is used for, if detect the human body of relative displacement under motion state, then the message that human body is existed sends to signal generating part 202;
Here, exploring block 201 is kept in motion, therefore, if the people remains static, this physiognomy is kept in motion for exploring block 201, like this, exploring block 201 also can detect the human body that this remains static at an easy rate, has signal thereby send human body.
In addition, if human body is kept in motion, as long as its motion state, the for example size of speed, direction etc., slightly different with the motion state of exploring block 201, be with respect to exploring block 201 and be kept in motion, then exploring block 201 also can detect the existence of this human body at an easy rate, has signal thereby send human body.
Among the present invention, exploring block 201 is further used for, if survey the human body less than relative displacement under motion state, then the non-existent message of human body is sent to signal generating part 202;
Here, the human body that exploring block 201 under the motion state is surveyed less than relative displacement, two kinds of possibilities are then arranged, a kind of is nobody under the present situation, another kind is that the someone exists, and this people's motion state, for example velocity magnitude, direction etc., just and this exploring block 201 identical, thereby static with respect to this exploring block 201.For first kind of possibility, exploring block 201 sends human body and does not exist signal to belong to right judgement, and for second kind of situation, exploring block 201 sends human body and do not exist signal then to belong to false judgment, should be avoided.Avoiding method has a variety of, for example, can special motion state be set for exploring block 201, make human this motion state of imitation that is difficult to, thereby make exploring block 201 and people always be in the relative motion state, this motion state can for: exploring block 201 is that turning axle moves in a circle with the axle that passes self; Or exploring block 201 is along irregular curvilinear motion; Or exploring block 201 is done the speed change curvilinear motion, and velocity magnitude obtains by fuzzy control method, and the curvilinear motion track is irregular curve, or the like.This shows,, can avoid producing the human body situation identical, thereby make the result of detection of 201 pairs of human bodies of exploring block among the present invention always correct with the motion state of exploring block 201 by the method for peculair motion mode is set for exploring block 201.
Exploring block 201 can be for detecting any exploring block of human body, such as, can be infrared sensor, also can be the acoustic control exploring block, certainly, also can detect the exploring block of human body for other.
In order to make the native system environmental protection of economizing on electricity more, also in order to prolong the serviceable life of exploring block 201, exploring block 201 is used for, and is every through a fixed cycle, surveys once the human body of displacement relatively.
Here, the fixed cycle can be random time length, for example, can be for the arbitrary time span between 0 minute to 20 minutes, more excellent, selected for use 1 minute, perhaps selected for use 0.5 minute, certainly, also can select other times length, such as 21 minutes etc.By periodically surveying human body, can save in this method exploring block 201 and survey the electric power that is consumed, also can reduce the access times of exploring block 201 simultaneously, prolong its serviceable life, reduce use cost.
Exploring block 201 is after detecting human body, and all thinking to be in before this end cycle has people's state, till the existence of next cycle detection less than this people.If exploring block 201 does not detect human body, that all thought before this end cycle and is in the unmanned state, till the next cycle is detected the someone and exists.
Among the present invention, exploring block 201 can be for detecting any exploring block of human body, such as, can be infrared sensor, also can be the acoustic control exploring block, certainly, also can detect the exploring block of human body for other.
Can further include the drive device in this system, be used to drive exploring block 201 motions, driving device can be for driving any device of exploring block 201 motions, for example, be stepper motor, or micromachine, or other can drive the device of exploring block 201 motions.
In this system, can further include control assembly 201, be used for the work that drives 201 motions of device drive exploring block is controlled.This control assembly 201 can for example, can be programmable logic controller (PLC) (PLC), or be single chip machine controlling circuit etc. for having any device that control drives the device motion, certainly, also can be other control assemblies.
Fig. 3 is an automatic switch structural drawing provided by the invention.As shown in Figure 3, this automatic switch comprises exploring block 301, signal generating part 302, control assembly 303 and switch 304, wherein,
Exploring block 301 is used for, if detect the human body of relative displacement under motion state, then the message that human body is existed sends to signal generating part 302;
This shows, because after exploring block 301 detects the human body of relative displacement, the message that human body exists can be sent to signal generating part 302, the message that signal generating part 302 exists according to human body sends human body to control assembly 303 and has signal, there is signal in 303 of control assemblies according to human body, send the notice that is in "on" position to switch 304, switch 304 is according to the notice that is in "on" position, be in "on" position, therefore, detect the human body of relative displacement when exploring block 301 after, can make switch 304 be in "on" position, be widely used in various human body detections field with regard to the automatic switch that makes the present invention propose like this, for example, be applied in the building energy saving illuminator, no matter this people is in static still motion state, as long as move with respect to the detector in the motion, just can be detected by this detector, at this moment the switch 304 of corridor lamp just is in "on" position, thereby makes the activity of this people in corridor have sufficient illumination to guarantee; And for example, this invention is applied in the safety alarm system, and when the burglar, no matter it is in static still motion state, as long as move with respect to the detector in the motion, detector just can detect the burglar, makes alarm bell be in "on" position then, thereby reports to the police.
Exploring block 301 is further used for, if survey the human body less than relative displacement under motion state, then the non-existent message of human body is sent to signal generating part 302;
Here, the human body that exploring block 301 under the motion state is surveyed less than relative displacement, two kinds of possibilities are then arranged, a kind of is nobody under the present situation, another kind is that the someone exists, and this people's motion state, for example velocity magnitude, direction etc., just and this exploring block 301 identical, thereby static with respect to this exploring block 301.For first kind of possibility, exploring block 301 sends human body and does not exist signal to belong to right judgement, and for second kind of situation, exploring block 301 sends human body and do not exist signal then to belong to false judgment, should be avoided.Avoiding method has a variety of, for example, can special motion state be set for exploring block 301, make human this motion state of imitation that is difficult to, thereby make exploring block 301 and people always be in the relative motion state, this motion state can for: exploring block 301 is that turning axle moves in a circle with the axle that passes self; Or exploring block 301 is along irregular curvilinear motion; Or exploring block 301 is done the speed change curvilinear motion, and velocity magnitude obtains by fuzzy control method, and the curvilinear motion track is irregular curve, or the like.This shows,, can avoid producing the human body situation identical, thereby make the result of detection of 301 pairs of human bodies of exploring block among the present invention always correct with the motion state of exploring block 301 by the method for peculair motion mode is set for exploring block 301.
If because exploring block 301 is surveyed the human body less than relative displacement under motion state, switch 304 promptly is in off-position, therefore, the present invention can be used as power down switch 304 and is applied in the productive life.
Exploring block 301 in this automatic switch is further used for, and is every through a fixed cycle, surveys once the human body of displacement relatively.This fixed cycle can be random time length, for example, can be for the arbitrary time span between 0 minute to 20 minutes, more excellent, selected for use 1 minute, perhaps selected for use 0.5 minute, certainly, also can select other times length, such as 21 minutes etc.By periodically surveying human body, can save in this method exploring block 301 and survey the electric power that is consumed, also can reduce the access times of exploring block 301 simultaneously, prolong its serviceable life, reduce use cost.
The exploring block 301 of this automatic switch can be for detecting any exploring block 301 of human body, such as, can be infrared sensor, also can be acoustic control exploring block 301, certainly, also can detect the exploring block 301 of human body for other.
This automatic switch further comprises the drive device, is used to drive exploring block 301 motions, can for example, can be stepper motor for driving any device of exploring block 301 motions, or micromachine, or other can drive the device of exploring block 301 motions;
Then control assembly 303 is further used for, and the work that drives 301 motions of device drive exploring block is controlled.
Fig. 4 is the structural drawing of the embodiment of human body detection provided by the invention system.As shown in Figure 4, this human body detection system comprises infrared sensor 401, control device 402 and drives device 403, wherein, infrared sensor 401 comprises aforesaid exploring block and signal generating part, and infrared sensor 401 and control device 402 link together, driven device 403 drives jointly and be kept in motion, drive device 403 and can be stepper motor or micromachine.
Then the course of work of this system is as follows:
Fig. 5 is the structural drawing of the building energy saving illuminator embodiment of application automatic switch provided by the invention.As shown in Figure 5, this system comprises: detector 501, bright detection part 502, single-chip microcomputer 503, drive device 504 and switch 505, wherein, detector 501, single-chip microcomputer 503, drive device 504 and switch 505 have been formed the automatic switch that the present invention proposes, detector 501 comprises exploring block and the signal generating part in the automatic switch, single-chip microcomputer 503 is the control assembly in the aforementioned automatic switch, and switch 505 links to each other with corridor lamp, is used to control the bright of corridor lamp and does not work.
The course of work of this system is as follows:
Single-chip microcomputer 503 control drives devices 504, makes it drive detector 501 and is kept in motion, and mode of motion is: with the axle that passes self is the state that turning axle moves in a circle, and whenever finishes circular motion one time, promptly oppositely finishes circular motion one time;
Light detection part 502 receives outside light, such as sunshine, light, candle light etc., these outside lights is converted into corresponding electric signal sends to single-chip microcomputer 503;
Detector 501 under the motion state was once surveyed every 1.5 minutes;
If detect the human body of relative displacement, then send human body and have signal to single-chip microcomputer 503, there is signal in single-chip microcomputer 503 according to this human body, thinks that this human body all exists in 1.5 minutes; Single-chip microcomputer 503 is according to the bright electric signal of bright detection part 502 transmissions, and judging whether needs to open corridor lamp, if bright electric signal surpasses threshold value, then single-chip microcomputer 503 is judged as light enough by force, does not need to open corridor lamp; If bright electric signal does not surpass threshold value, then single-chip microcomputer 503 judges that light is not enough, needs to open corridor lamp, then sends the notice that is in "on" position to switch 505; Switch 505 is in "on" position just according to the notice that is in "on" position like this, makes corridor lamp bright;
If detector 501 does not detect the human body of relative displacement, then send human body and do not have signal, or do not send signal to single-chip microcomputer 503; There is not signal in single-chip microcomputer 503 according to human body, or does not send the state of signal according to detector 501, and thinking did not have human body to exist in 1.5 minutes, sends the notice that is in off-position to switch 505; Switch 505 is in off-position according to the notice that is in off-position, and corridor lamp does not just work like this.
In the present embodiment, the filtering eyeglass has been installed further also on detector 501, has been used for lights such as filtering corridor light, thereby prevented that light such as corridor light from impacting the detection of detector 501, guarantees detection quality.In addition, focalizer can also be installed further on detector 501,, be used for the light on detector 501 detection directions, infrared-ray are waited for that detection limit focuses on, thereby improve the sensitivity and the detection range of detector 501 such as Fresnel Lenses is installed.
When detector 501 is infrared eye, wherein also further comprise decision means, be used to judge that the infrared intensity that self detects is whether in the infrared intensity scope of human body emission, if, then be judged as human body and existed, otherwise being judged as does not have human body to exist.The infrared intensity that detector 501 detects is not in the infrared intensity scope of human body emission, and these infrared intensities may emit for user's refrigerator, pet etc.Certainly, decision means also can be in control assembly, in single-chip microcomputer 503 in the present embodiment, and can also be separately as between detector 501 and the control assembly.Utilize this decision means, the present invention has further improved the accuracy of human body detection.
This shows that the present invention has the following advantages:
(1) among the present invention, owing to detector is kept in motion, therefore, if the people remains static, this physiognomy is kept in motion for detector, like this, detector also can detect the human body that this remains static at an easy rate, has signal thereby send human body.
(2) among the present invention, even human body is kept in motion, the motion state that needs only its motion state and detector is slightly different, is with respect to detector to be kept in motion, detector also can detect the existence of this human body at an easy rate so, has signal thereby send human body.
(3) among the present invention, can avoid producing the human body situation identical, thereby make among the present invention detector always correct the result of detection of human body by the method for peculair motion mode is set for detector with the motion state of detector.
(4) among the present invention, because after exploring block detects the human body of relative displacement, the message that human body exists can be sent to signal generating part, the message that signal generating part exists according to human body sends human body to control assembly and has signal, then there is signal in control assembly according to human body, send the notice that is in "on" position to switch, switch is according to the notice that is in "on" position, be in "on" position, therefore, detect the human body of relative displacement when exploring block after, can make switch be in "on" position, be widely used in various human body detections field with regard to the automatic switch that makes the present invention propose like this.
(5) among the present invention, just survey once the human body of displacement relatively because exploring block is every through a fixed cycle, therefore, the present invention can save exploring block and survey the electric power that is consumed, also can reduce simultaneously the access times of exploring block, prolong its serviceable life, reduce use cost.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a human body detection method is characterized in that, this method comprises: if the detector of motion detects the human body of relative displacement, then send human body and have signal.
2. method according to claim 1 is characterized in that, this method further comprises: if the detector of described motion is surveyed the human body less than relative displacement, then send human body and do not have signal.
3. method according to claim 1 and 2 is characterized in that, the detection mode of described detector is: every through a fixed cycle, described detector is once surveyed.
4. method according to claim 1 and 2 is characterized in that,
Described detector is to move under the drive that drives device, and described drive device is a stepper motor, or micromachine;
Described drive device is under the control of control device, drives described detector motion.
5. a human body detection system is characterized in that, this system comprises exploring block and signal generating part, wherein:
Described exploring block is used for, if detect the human body of relative displacement under motion state, then the message that human body is existed sends to described signal generating part;
Described signal generating part is used for, and according to the message that described human body exists, sends human body and has signal.
6. system according to claim 5 is characterized in that,
Described exploring block is further used for, if survey the human body less than relative displacement under motion state, then the non-existent message of human body is sent to described signal generating part;
Described signal generating part is further used for,
According to the non-existent message of described human body, send human body and do not have signal;
Or, according to the non-existent message of described human body, do not send signal.
7. an automatic switch is characterized in that, this automatic switch comprises exploring block, signal generating part, control assembly and switch, wherein,
Described exploring block is used for, if detect the human body of relative displacement under motion state, then the message that human body is existed sends to described signal generating part;
Described signal generating part is used for, and the message according to described human body exists sends human body to described control assembly and has signal;
Described control assembly is used for, and has signal according to described human body, sends the notice that is in "on" position to described switch;
Described switch is used for, and according to the described notice that is in "on" position, is in "on" position.
8. automatic switch according to claim 7 is characterized in that,
Described exploring block is further used for, if survey the human body less than relative displacement under motion state, then the non-existent message of human body is sent to described signal generating part;
Described signal generating part is further used for, and according to the non-existent message of described human body, sends human body to described control assembly and does not have signal; Or, do not send signal to described control assembly;
Described control assembly is further used for, and does not have signal according to described human body, or, do not send the state of signal according to described signal generating part, send the notice that is in off-position to described switch;
Described switch is further used for, and according to the described notice that is in off-position, is in off-position.
9. according to claim 7 or 8 described automatic switches, it is characterized in that described exploring block is used for, every through a fixed cycle, survey once the human body of displacement relatively.
10. according to claim 7 or 8 described automatic switches, it is characterized in that,
Further comprise the drive device, be used to drive described exploring block motion, described drive device is a stepper motor, or micromachine;
Described control assembly is further used for, and the work that described drive device is driven described exploring block motion is controlled.
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| CN109089349A (en) * | 2018-09-18 | 2018-12-25 | 苏州格兰斯贝网络科技有限公司 | A kind of intelligent lighting system based on multisection type suspend mode |
| CN111726579A (en) * | 2020-06-12 | 2020-09-29 | 平湖市凯翔电子科技有限公司 | Campus security monitoring system |
| CN111726579B (en) * | 2020-06-12 | 2022-02-11 | 禾研(嘉兴)建筑智能化工程有限公司 | Campus security monitoring system |
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Application publication date: 20110119 |