CN103135142A - Unmanned detector for guest room - Google Patents
Unmanned detector for guest room Download PDFInfo
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- CN103135142A CN103135142A CN2011103788056A CN201110378805A CN103135142A CN 103135142 A CN103135142 A CN 103135142A CN 2011103788056 A CN2011103788056 A CN 2011103788056A CN 201110378805 A CN201110378805 A CN 201110378805A CN 103135142 A CN103135142 A CN 103135142A
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- guest room
- rotating disk
- human body
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Abstract
The invention relates to a human body detector, and belongs to the technical field of human body detecting instruments. The human body detector is used for guesthouses and hostels, fixed at a certain position of a guest room and used for detecting whether accommodation staff is in the guest room or not, so that the guesthouses and the hostels are conveniently managed. Existing pyroelectric infrared sensor technology is only suitable for detecting moving objects and used for detecting infrared rays emitted by the moving objects, so that the moving objects can be perceived. A guest possibly sleeps in the guest room and does not move for a long time, so that the human body detector cannot correctly judge whether a person is in the guest room or not. By the aid of the human body detector, a pyroelectric infrared sensor head can be designed in uniform circular motion, the person serving as a detected target can be correctly detected even if the person is fixed, fixed heat sources in the guest room can transmit false information that the person is in the guest room, and the false information is shielded by the aid of corresponding technical measures. The human body detector is low in cost, and the privacy right of the guest cannot be violated.
Description
Technical field
The present invention is a kind of peoplesniffer, belongs to the human body detection Instrument technology field.Be used for In Public Places of Hotels, it is fixed on certain position in guest room, is used for surveying the lodging personnel whether in the guest room, facilitates the In Public Places of Hotels management.
Background technology
In Public Places of Hotels is grasped lodging personnel's information for improving service quality during Demand, service in time is provided.The door in guest room is normally closing, and whether the passenger is in the bad judgement of interior waiter.
Utilize existing technological means, such as camera, wiretap, life-detection instrument etc., can judge the passenger whether in the guest room once camera, wiretap have been invaded passenger's the right of privacy, run counter to social ethics.Though life-detection instrument can not invaded passenger's the right of privacy, its high cost realizes that automatic management more needs a large amount of the input, is not suitable for one of a mounted in guest room, then information is dealt into the general reception desk.
Existing heat is released the suitable detecting mobile object of infrared induction technology, the infrared ray that detecting mobile object sends, existence that just can the perception mobile object.This sensor is named as heat and releases the infrared induction head, is called for short pir sensor, and is cheap, is widely used.Be usually used in security product, the economize on electricity product make detection probe.This critical detection probe has been arranged, and the processing of subsequent conditioning circuit is relatively easy, can develop a lot of products of automatically controlling.Automatic corridor lamp for example, nobody the time extinguish, the people comes automatic bright light, the people walks non-attended light and goes out.This series products technology is ripe.
Summary of the invention
The present invention adopts pir sensor to survey the passenger whether in the guest room exactly.But pir sensor is suitable detecting mobile object only, just lie on a bed motionless detection not out as the passenger.Reverse thinking is fixed on pir sensor on a mini-roundabout, and from the center of this mini-roundabout, one segment distance is arranged.Mini-roundabout is made low speed rotation by micro motor for driving, and pir sensor so, also can detect even if the passenger is motionless along with rotating disk is made circular motion.
But also brought new problem.Also have other fixedly thermal source in the guest room, radiator for example, the televisor of opening, air-conditioning etc. also can send infrared ray.Pir sensor also can scan these fixedly thermals source, produces erroneous judgement and breaks.Correctly identification " people " and fixedly thermal source is most important.Fortunately pir sensor is that special body temperature for the people designs, the Infrared wavelength that human body sends is 9.64～9.67 μ m, centre wavelength is 9.65 μ m, the pir sensor response wave length has been designed to 7.0～14 μ m, just in time drop on the center of pir sensor response wave length, False Rate is reduced greatly.
Fresnel Lenses focuses on the infrared ray that human body sends, can improve detection range, improve detection sensitivity, be combined into one with pir sensor, movement human is surveyed, also handlebar pir sensor and Fresnel Lenses assembly both is called heat and releases the infrared induction head.Usually Fresnel Lenses is designed to some induction sections, although human body does not have motion or has moved but the amplitude of moving is very little, be reflected on Fresnel Lenses, the amplitude of motion does not reach from an induction section and is transitioned into another induction section, pir sensor does not just have signal output, and the conclusion of surveying in other words is " unmanned ".Around this principle, can redesign induction zone hop count amount and distribution form to Fresnel Lenses, make it to be more conducive to pir sensor and survey people's existence under motion state.How to design in " embodiment " and discuss.
For trying to achieve accurate judgement, can first scan the space, guest room under the unmanned state, may have in the guest room other fixedly thermal source be scanned, cause the deceptive information that " people is arranged " in the guest room, utilize technological means to mask these deceptive information, how to shield also and discuss in " embodiment ".
Sum up, three counter-measures arranged:
1, pir sensor is designed to move;
2, the redesign Fresnel Lenses makes it to be more conducive to pir sensor and identify the people under motion state;
3, first the space, guest room under the unmanned state is scanned, mask the deceptive information that " people is arranged " in the guest room.
Description of drawings
Fig. 1 is first schematic diagram of technical solution of the present invention, and the first half is front view, and the latter half is vertical view.
Fig. 2 is the principle schematic of newly-designed Fresnel Lenses, and the first half is front view, and the latter half is vertical view.
Fig. 3 is second schematic diagram of technical solution of the present invention, and the first half is front view, and the latter half is vertical view.
The implication that each sequence number in figure represents is:
(1) micromotor
(2) micromotor rotating shaft
(3) magnet
(4) Hall element
(5) Fresnel Lenses
(6) pir sensor
(7) rotating disk
(8), three induction zones of (9), (10) Fresnel Lenses.
(11) the fixing PCB production board in position
Embodiment
Come description of the drawings and explanation invention of the present invention place below in conjunction with embodiment.
Fig. 1 is first schematic diagram of technical solution of the present invention, and 1 in figure is micromotor, can adopt micro-step motor in practice, and the convenient per minute that obtains turns one, two low-rotate speeds that enclose, and it is cheap.Adopt stepper motor to also have a superiority, easily control forward or reverse.The pulse producer of Driving Stepping Motor adopts crystal oscillator, and the pulsed frequency precision is high, good reproducibility, and this has just guaranteed that rotational angular velocity is very even.Specifically adopted crystal and the CD4060 integrated circuit of 32768Hz to make pulse producer.The rotating disk 7 that is being connected in the rotating shaft 2 of micromotor, rotating disk 7 is actually a circular P.e.c. production board, is commonly referred to the PCB production board, has installed on plate and has welded electronic component.On keeping to the side the position of edge, rotating disk 7 is welded with Hall element 4.Magnet 3 is very little, is fixed on outside rotating disk 7, and near the disk edge place, and it and Hall element 4 composition position sensings are as the turn around sign of reference position of rotating disk.Also be welded with pir sensor 6 on rotating disk 7, it is covered with Fresnel Lenses 5 apart from the tens of millimeters in the center of rotating disk 7 on pir sensor 6.
Need to introduce power supply, output signal on the PCB production board, be welded with some wires on it.If micromotor can only a direction rotation, certainly will twist off wire.Can control easily forward or reverse therefore require micromotor.
Circuit on the PCB production board has comprised pir sensor and subsequent detection, control circuit, when detecting " people is arranged " or " unmanned ", exports different level, and this belongs to the prior art category, repeats no more.Technical solution of the present invention has also increased the Intelligent Single-Chip Based identification circuit, identifies the deceptive information of " people is arranged " in the guest room, also is made on this piece PCB production board.
Fig. 2 is the principle schematic of newly-designed Fresnel Lenses.Usually Fresnel Lenses is designed to the multi-region multistage, and induction zone hop count amount is many, and is comparatively intensive, and the less action pir sensor of amplitude just can be experienced, and is conducive to improve detection sensitivity.Newly-designed Fresnel Lenses is the hemispherical Shell shape, and the bottom is with " cover " of cylindrical shape, can directly entangle firm to cover on the pir sensor head, is convenient to assembling.The induction section is designed to three sections, single district, and 8,9,10 is three induction sections of Fresnel Lenses, as Fig. 2 represents.Wherein respond to section 9 narrower central authorities that are positioned at, induction section 8, the 10 wider both sides that are positioned at.Design induction section 9 narrowly, the scope size that its space can be detected is slightly less than the human body body wide.Just can mask than the wide also deceptive information of narrow thermal source transmission of human body body.
Although pir sensor designs for the identification people, designed again new Fresnel Lenses, rate of false alarm is declined to a great extent, the Homer sometimes nods loses unavoidably.During actual the use, at first should be to unmanned guest room detection scanning, might scan fixedly the falseness of the thermal source transmission information that " people arranged " in the guest room in, mask these deceptive information just passable.
If mask deceptive information? treating method of the present invention is as follows:
Technical solution of the present invention also adopts single-chip microcomputer to design intelligent identifying circuit except follow conventional lines detection, control circuit, and it is on the PCB production board that these circuit all are laid in rotating disk 7.Keep to the side on rotating disk 7 position of edge is welded with a Hall element 4, and outside rotating disk 7, fix a small magnet 3 near its edge, Hall element 4 and small magnet 3 form position transducers.When rotating disk carries Hall element 4 and forwards fixedly small magnet 3 position to, can produce a pulse, as the rotating disk sign of initial time that turns around, and it is defined as " scan origin ".Pir sensor rotates a circle and returns " scan origin " from " scan origin ", is defined as one " cycle ".
When the guest room being in the unmanned state surveying, first forward scanning one-period, then inversion scanning one-period again.For example at the deceptive information that scans sometime " people is arranged ", utilize single-chip microcomputer to record this constantly, be labeled as this deceptive information unavailable.If any a plurality of such deceptive information, handle like this, all be labeled as unavailable.After this every scanning one-period, such deceptive information obviously also can occur in the same moment, and single-chip microcomputer has recorded formerly and be labeled as unavailable, just can mask these deceptive information thus.Micromotor is actual, and what adopt is micro-step motor, and timing is quite accurate, and the scanning degree of accuracy is naturally very high.
First forward scanning one-period, then inversion scanning one-period is again surveyed as the forward normal condition respectively and contrast that the counter-rotating normal condition is surveyed.
Timing is accurate again, also has cumulative errors.Due to the reference point that " scan origin " conduct " beginning timing " arranged, just eliminated the cumulative errors of timing, guaranteed the reliability of identification deceptive information.
Stay in the guest room as the passenger, detector of the present invention detects naturally the people in the guest room, even if passenger's not action for a long time.Although also can detect deceptive information, these deceptive information are labeled as unavailable in advance, mask deceptive information, and remaining has been exactly real information.
Fig. 3 is second schematic diagram of technical solution of the present invention, it with first schematic diagram substantially roughly the same, difference has increased the fixing PCB production board 11 in a position.In first schematic diagram, comprise that all sensings, detection, Intelligent Recognition and the control circuit of Hall element 4 concentrates on rotating disk 7 this piece PCB production boards, magnet is fixed on outside this piece PCB production board; And in second schematic diagram, magnet 3 is fixed on the position on the edge of keeping to the side on rotating disk 7, only sensing, testing circuit are made on rotating disk 7,3 one-tenth of magnet rotating; And Hall element 4, Intelligent Recognition and control circuit are arranged on the fixing PCB production board 11 in position, avoided the many pcb boards of components and parts can not arrange any more, also avoided drawing wire from rotating disk 7 too much.
In sum, feature of the present invention is:
1, unmanned probing device in guest room of the present invention, release according to heat the principle that the infrared induction technology is surveyed moving object, release the conventional element of this class of infrared induction head and conventional sense, control circuit parts except having used with Fresnel Lenses 5 and the heat of pir sensor 6 combinations, it has also used the such parts of position transducer of micromotor 1, rotating disk 7, magnet 3 and Hall element 4 combinations; Micromotor 1 drives rotating disk 7 rotations, and heat is released the infrared induction head and is fixed on rotating disk 7, makes circular motion with rotating disk 7; Maximum characteristics are heat to be released the infrared induction head itself be designed to moving object, and the target of surveying can transfixion.
2, micromotor 1 adopts micro-step motor.
3, rotating disk 7 is circular P.e.c. production boards, on it except being fixed with pir sensor 6 and Hall element 4, the whole cloth of sensing, detection, Intelligent Recognition and control circuit thereon, magnet 3 is fixed on outside rotating disk 7.Also magnet 3, sensing, testing circuit can be arranged on rotating disk 7, and Hall element 4, Intelligent Recognition and control circuit are arranged on the fixing pcb board 11 in position.
4, heat is released the infrared induction head and is fixed on rotating disk 7, apart from the tens of millimeters in the center of rotating disk 7.
Claims (5)
1. guest room unmanned probing device, release according to heat the principle that the infrared induction technology is surveyed moving object, used with Fresnel Lenses 5 and the heat of pir sensor 6 combinations and released this conventional element of infrared induction head and conventional sense, control circuit parts, tool is characterised in that: it has also used the such parts of position transducer of micromotor 1, rotating disk 7, magnet 3 and Hall element 4 combinations; Micromotor 1 drives rotating disk 7 rotations, and heat is released the infrared induction head and is fixed on rotating disk 7, makes circular motion with rotating disk 7; Heat is released the infrared induction head itself be designed to moving object, and the target of surveying can transfixion.
2. unmanned probing device in guest room as claimed in claim 1, it is characterized in that: micromotor 1 has adopted micro-step motor.
3. unmanned probing device in guest room as claimed in claim 1, it is characterized in that: rotating disk 7 is circular P.e.c. production boards, on it except being fixed with pir sensor 6 and Hall element 4, sensing, detection, the whole cloth of Intelligent Recognition control circuit thereon, magnet 3 is fixed on outside rotating disk 7.
4. unmanned probing device in guest room as claimed in claim 1, is characterized in that: magnet 3, sensing, testing circuit can be arranged on rotating disk 7, and Hall element 4, Intelligent Recognition and control circuit are arranged on the fixing pcb board 11 in position.
5. unmanned probing device in guest room as claimed in claim 1, it is characterized in that: heat is released the infrared induction head and is fixed on rotating disk 7, apart from the tens of millimeters in the center of rotating disk 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103788056A CN103135142A (en) | 2011-11-23 | 2011-11-23 | Unmanned detector for guest room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103788056A CN103135142A (en) | 2011-11-23 | 2011-11-23 | Unmanned detector for guest room |
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| Publication Number | Publication Date |
|---|---|
| CN103135142A true CN103135142A (en) | 2013-06-05 |
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|---|---|---|---|
| CN2011103788056A Pending CN103135142A (en) | 2011-11-23 | 2011-11-23 | Unmanned detector for guest room |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103458589A (en) * | 2013-09-23 | 2013-12-18 | 湖州职业技术学院 | Long-service-life and energy-saving night toilet LED lamp capable of being turned on and turned off automatically and achieving automatic dimming |
| CN105588252A (en) * | 2014-10-20 | 2016-05-18 | 中国建筑科学研究院 | Active pyroelectric infrared intelligent switch |
| CN106225933A (en) * | 2016-08-31 | 2016-12-14 | 徐工集团工程机械有限公司 | A kind of method for diagnosing faults and device |
| CN106344027A (en) * | 2015-07-14 | 2017-01-25 | 李慧风 | Identification system of personnel, area and amount of exercise and operation method thereof |
| EP3159709A1 (en) * | 2015-10-21 | 2017-04-26 | Everspring Industry Co., Ltd. | Apparatus and method for detecting azimuthal angle of heat source |
| WO2018208419A1 (en) * | 2017-05-10 | 2018-11-15 | Carrier Corporation | Detecting device and control system with such detecting device |
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| CN101950468A (en) * | 2010-08-18 | 2011-01-19 | 张显中 | Person detecting method and system thereof and automatic switch |
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| US5782438A (en) * | 1996-01-31 | 1998-07-21 | Pass & Seymour, Inc. | Versatile mounting and adjustment system for passive infrared detector |
| JP2001165950A (en) * | 1999-12-10 | 2001-06-22 | Kubota Corp | Movement degree detector |
| WO2005018286A1 (en) * | 2003-08-18 | 2005-02-24 | Yoon Kyu Hwang | Energy saving lamp with sensor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103458589A (en) * | 2013-09-23 | 2013-12-18 | 湖州职业技术学院 | Long-service-life and energy-saving night toilet LED lamp capable of being turned on and turned off automatically and achieving automatic dimming |
| CN105588252A (en) * | 2014-10-20 | 2016-05-18 | 中国建筑科学研究院 | Active pyroelectric infrared intelligent switch |
| CN105588252B (en) * | 2014-10-20 | 2018-09-28 | 中国建筑科学研究院 | Active pyroelectric infrared intelligent switch |
| CN106344027A (en) * | 2015-07-14 | 2017-01-25 | 李慧风 | Identification system of personnel, area and amount of exercise and operation method thereof |
| EP3159709A1 (en) * | 2015-10-21 | 2017-04-26 | Everspring Industry Co., Ltd. | Apparatus and method for detecting azimuthal angle of heat source |
| CN106225933A (en) * | 2016-08-31 | 2016-12-14 | 徐工集团工程机械有限公司 | A kind of method for diagnosing faults and device |
| WO2018208419A1 (en) * | 2017-05-10 | 2018-11-15 | Carrier Corporation | Detecting device and control system with such detecting device |
| US10891838B2 (en) | 2017-05-10 | 2021-01-12 | Carrier Corporation | Detecting device and control system with such detecting device |
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Application publication date: 20130605 |