CN2710063Y - Mutual-projection multi-beam infrared railings sounder - Google Patents
Mutual-projection multi-beam infrared railings sounder Download PDFInfo
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- CN2710063Y CN2710063Y CN 200420071951 CN200420071951U CN2710063Y CN 2710063 Y CN2710063 Y CN 2710063Y CN 200420071951 CN200420071951 CN 200420071951 CN 200420071951 U CN200420071951 U CN 200420071951U CN 2710063 Y CN2710063 Y CN 2710063Y
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Abstract
The utility model relates to the field of safety and anti-theft, in particular to a mutual-projection multi-beam infrared railings sounder. The utility model comprises an alarm device and a pair of infrared monitors which are electrical property connected and oppositely arranged. Each infrared monitor is composed of a casing, a circuit board, a transmitter, a receiver, and a control circuit laid on the circuit board. The casing is provided with a light transmission window; the alarm device, the transmitter, and the receiver are all electrical property connected with the control circuit. The transmitter at any one end of the two infrared monitors keeps in the transmission-receiving relation of one-to-one correspondence with the receiver at the other end. The two infrared monitors cooperate to accomplish the detecting work. Via the electrical property connection, the data synchronization is realized and the control circuit processes according to the synchronized data. The utility model does not need big variations of the hardware devices and the cost, and adopts the alarm reference by judging whether the two beams of the infrared rays are simultaneously cut off, greatly increasing the anti-interference capability and decreasing the false alarm probability.
Description
[technical field]
The utility model relates to the safe antitheft field, especially a kind of mutual-projection multi beam infrared palisade detector.
[technical background]
In the safe antitheft field, effectively the identification robber when to enter or escape from various inlets (comprise stride wall and go into) be a very crucial premise ingredient, present infrared correlative detector and infrared palisade detector have satisfied this needs, become the main product in this field, be widely used in the occasion that exhibition room, bank, market, warehouse, station etc. need safety precaution.
Infrared correlative detector on the market is of a great variety, can be divided into two big classes according to its function generally: the one, take precautions against the narrow two/four light beam correlative detectors of facade, and be mainly used in the enclosure wall warning and take precautions against; The 2nd, take precautions against the tall and big infrared correlative detector of multiple beam fence type of facade, the warning that is mainly used in outdoor door and window is taken precautions against.
No matter which kind of product, its ultimate principle is all identical.That is: a whole set of products is composed of by emission bar and reception bar, the emission bar divides both sides corresponding setting with the reception bar, in the emission bar several infrared transmitters are arranged, receive in the bar several infrared remote receivers are arranged, take the principle of work of unidirectional emission/unidirectional reception, when launching bar when the infrared-ray that receives the bar emission is interdicted, export alert news immediately.
Improve this principle of work, China No. 85202658 patent disclosure a kind of " infrared ray fence warning device " with identification circuit, see also Fig. 5, this improved infrared warning device has the emitting-receiving system by a plurality of infrared transmitters 4 ' and infrared eye 5 ' form.Each infrared transmitter 4 ' corresponding more than one infrared eye 5 ', constitute an emission detection group.A plurality of emission detection groups are installed relatively, formation infrared palisade 8 '.The condition that triggers of reporting to the police still is traditional mode: interdict wherein a branch of infrared-ray, just produce alert news output.For improving the alert accuracy of each beam report from a liner, all having connected one at each infrared eye 5 ' circuit is the Feature Recognition circuit with the widely different formula comparer (not shown) that stagnates, principle of work as for identification circuit (not shown) then is: earlier start to control voltage by the suitable family of power and influence rationally is set in the identification circuit (not shown), when infrared light because of being absorbed and reasons such as scattering, cause arriving infrared eye 5 ' luminous flux when reducing, also can do identification automatically adjusts, thereby, solve under the adverse weather condition of dense fog heavy rain, reach and avoid the wrong report that caused because of the useful signal decay.
Above-mentioned situation makes the raising that is improved of the performance of pyroscan, but still has following several big shortcoming:
1. present infrared correlative detector mainly is to rely on light shield and expensive, high performance filter glass and other anti-jamming circuits to realize eliminating to greatest extent the purpose that sunlight disturbs, still, and the wrong report that but can not thoroughly stop sunlight and caused or fail to report.Its basic reason is:
A. all employed 850mm of active infra-red correlative detector, 880mm or 940mm infrared waves, all be positioned at the scope of the main energy spectrum covering of sunlight, and, a little less than the used infrared light intensity that infrared transmitter sent is wanted than sunlight, therefore, when infrared light that sunlight and infrared transmitter sent all is radiated on the infrared eye simultaneously, make detector can't identify effective infrared signal.
B. no matter the structure of unidirectional emission/unidirectional reception receives bar and places the west still in the east, must be subjected to the direct irradiation of the Chaoyang or the setting sun.Therefore, when Chaoyang or the setting sun light that light shield can not block, direct irradiation is on infrared remote receiver the time, and infrared remote receiver has entered electric state of saturation because of receiving very strong same spectrum stray light, thereby lose the ability of the effective infrared signal of identification, also just cause the generation of reporting by mistake or failing to report.
2. the condition of reporting to the police because of conventional trigger is that in a single day so be subjected to the interference of small-sized objects such as the less bat of volume, sparrow, dragonfly or fallen leaves, rate of false alarm is still very high as long as the wherein a branch of infrared-ray of blocking is just exported alert news at once.
3. " the corresponding more than one infrared eye of each infrared transmitter; constitute an emitter-detector group; a plurality of emission detection groups are installed relatively; form infrared palisade " this technical characterictic of mentioning in the instructions according to described patent, the product that manufactures, it certainly exists the very short drawback of practical warning distance.This be because this patent adopt be a transmitter to a plurality of infrared eyes 5 ' technological means, the objective requirement power valve must be launched the infrared light that taper is dispersed, a plurality of infrared eyes are received simultaneously, yet, emission light is strong and be the fan-shaped significantly physical characteristics of decay in the middle of the infrared transmitting tube, making the infrared surveillance distance of this patent, is the receiving range of that infrared receiving tube of depending on that the infrared signal that departs from power valve angle maximum, receive is the most weak.
4. described patent is addressed in its instructions " have been increased the widely different formula comparer that stagnates, has improved each infrared remote receiver antijamming capability whereby in each receiver 4 ' circuit.Yet ", this identification circuit can only be handled the weak situation of jam-to-signal useful signal, and to infrared scattering and absorption, when the luminous flux that reaches infrared remote receiver was reduced, identification circuit can play control adjustment automatically, was difficult for producing wrong report as misty rain.But itself just is better than infrared signal the undesired signal of sunlight, therefore, in case when having an infrared remote receiver to be subjected to the sunlight direct projection to disturb, this identification circuit is also just powerless, can produce wrong report equally.
[utility model content]
The purpose of this utility model will overcome above-mentioned deficiency exactly, improves original technology, and the mutual-projection multi beam infrared palisade that a kind of cost remains unchanged substantially, rate of false alarm is low, antijamming capability is strong detector is provided.
The purpose of this utility model is achieved by the following technical solution: this mutual-projection multi beam infrared palisade detector comprises warning device and a pair of infrared detector that is provided with and electrically connects mutually in opposite directions, each infrared detector is by shell, circuit board, transmitter, receiver, and the control circuit that is laid on the circuit board is formed, this shell is provided with light inlet window, warning device, transmitter and receiver all electrically connect with control circuit, in addition, this is in the infrared detector, and the transmitter of any end receives relation with the emission of the receiver of the other end and keeps corresponding one by one.This finishes detection operations to infrared detector is collaborative, realizes data sync by wired or wireless electric connection mode, and control circuit is made corresponding processing again according to this data in synchronization.
Compared with prior art, advantage of the present utility model is: do on not needing hardware device under the constant substantially prerequisite of too big change, cost, whether employing is interrupted basis for estimation into reporting to the police simultaneously to come and go two bundle infrared rays, antijamming capability is obviously improved, greatly reduce the wrong report probability.
[description of drawings]
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is the utility model partial sectional view;
Fig. 3 is a strick precaution elevational schematic view of the present utility model;
Fig. 4 is a circuit theory synoptic diagram of the present utility model;
The strick precaution elevational schematic view of the existing infrared palisade warning device of Fig. 5.
[embodiment]
See also Fig. 1 and Fig. 2, vertical rod shape infrared detector 1, two infrared detector 1 that the utility model mutual-projection multi beam infrared palisade detector comprises two ends is provided with in opposite directions, and electrically connects to keep data sync with synchronous cable 10.The infrared detector 1 of every end by shell 2, circuit board 3, transmitter 4, receiver 5, light shield 6, focusing lens 7, be laid in control circuit 31 (see figure 4)s on the circuit board 3, and a warning device 32 (referring to Fig. 4) is formed, this shell 2 is provided with light inlet window 21, transmitter 4 all is installed on the circuit board 3 with receiver 5, light shield 6 is installed in transmitter 4 and receiver 5 on, 7 of focusing lens are the front position that support is installed in transmitter 4 and receiver 5 with light shield 6, and warning device 32, transmitter 4 and receiver 5 all electrically connect with control circuit 31.
See also Fig. 2 and Fig. 3, in the same infrared detector 1, each transmitter 4 and receiver 5 are alternately, and its neighbor distance is set to 135mm, can suitably depart from this numerical value, as in the 80-160mm scope, decide on concrete application scenario, be as the criterion with the minimum altitude of human body when creeping, in addition, the transmitter 4 of any end keeps one passage of relation formation one to one with the receiver of the other end 5, so, and under the energising duty, just can form the strick precaution facade 8 that constitutes by infrared-ray as shown in Figure 3, wherein, every Shu Xianglin infrared-ray that this is taken precautions against in facade 8 all is that direction is opposite and be parallel to each other.
Wherein, the control circuit 31 of two ends infrared detector 1, take the cooperation mode of timesharing scanning, both must synchro control, and the transmission of synchronizing signal both can be by wired mode, also can adopt wireless mode to implement, in this example, the transmission of synchronizing signal realizes with above-mentioned synchronous cable 10, now specifies its principle of work:
Please consult Fig. 4 again, at first, CPUA 314 and CPUB 318 carry out to the time synchronous, then, CPUA314 and CPUB 318 cooperate jointly, implement the working method of high speed timesharing scanning, the infrared detector 1 at control two ends is penetrated infrared-ray at a high speed in turn mutually, constitutes an infrared strick precaution plane (see figure 3).At synchronization, have only a passage to carry out work, also promptly have only the transmitter 4 and the receiver 5 of a passage to carry out transmitting-receiving work, behind the internal memory (not shown) of outcome record at infrared detector 1 of the infrared-ray of receiving or do not receive corresponding transmitter 4 in 5 work constantly of receiver of this passage, close this passage at once, order is opened next passage, so constantly circulation at a high speed.
After the scanning of finishing one-period, CPUA 314 is transferred to CPUB 318 to the scanning result in this cycle with aspect by synchronous cable 10, CPUB 318 is by the control of program, the result of detection of CPUA 314 and CPUB 318 is carried out simultaneous to be judged, receiver as adjacent two passages does not all receive signal, promptly all is in by the blocking state, then has been considered as object and has taken precautions against facade 8 from passing through, CPUB 318 is the output alarm control signal immediately, drives warning device 32 output alert news.
In addition, the signal that this warning device 32 receives can be a kind of in relay switch signal, level signal, coded signal or the sound and light signal, or several multiplexing.
In sum, the relative conventional art of the utility model has following features:
Since adopted this transmitter and receiver one by one corresponding and structure, adopt with adjacent past Return two bundle infrared rays and whether be interrupted simultaneously basis for estimation into reporting to the police, on the one hand, Chaoyang, the setting sun or its Although its unidirectional interference source etc. can direct irradiation in the reception towards the infrared detector of an end of sunlight Cause interference on the device, but can not disturb the infrared detector generation of the other end simultaneously, adjacent two bundles are red Outer ray can not be interdicted simultaneously, so can not cause wrong report; On the other hand, same infrared by arranging The distance of transmitter and receiver in the monitor (such as the 135mm in this example), and make the other end with one of One correspondence can reasonably be distinguished wisp and people for swarming into, because wisp such as little bat, sparrow, Its body such as dragonfly or fallen leaves is long all can not to surpass this size of 135mm*2=270mm, even and human body exists When creeping, can interdict simultaneously two bundle infrared-rays, so this situation too with also being difficult to avoid Can not cause wrong report or the generation of failing to report. Therefore, the utility model can obviously improve antijamming capability, and is big The big wrong report probability that reduces.
In addition, because increased light shield, can avoid transmitter or recipient to be subjected to from the side other and do Disturb the interference in source, especially noon sunburst interference, therefore also strengthened anti-doing of the present utility model Disturb the performance of aspect, strengthen reliability.
2. implement the utility model and needn't do too big change to former structure, so need not drop into too big one-tenth This, at the class close with conventional art, both economical cost control, highlight its higher cost performance, Can by its reliability, open up widely range of application.
3, by after increasing focusing lens, the infrared light that can disperse the taper that transmitter is launched, converge near the beam emissions of light beam shape and give receiving end, finally converge is that a focus is received by receiver, this has just strengthened the light intensity of useful signal significantly, the infrared-ray that the transmitter that makes the infrared detector of an end of apart from each other also can receive the other end exactly sends reaches the practical purpose of long distance warning.
Claims (8)
1, a kind of mutual-projection multi beam infrared palisade detector, comprise warning device and a pair of infrared detector that is provided with and electrically connects mutually in opposite directions, each infrared detector is formed by shell, circuit board, transmitter, receiver and the control circuit that is laid on the circuit board, this shell is provided with light inlet window, this transmitter and receiver all electrically connect with control circuit, control circuit and warning device electrically connect, it is characterized in that: this is in the infrared detector, and the transmitter of any end receives relation with the emission of the receiver of the other end and keeps corresponding one by one.
2, mutual-projection multi beam infrared palisade detector according to claim 1, it is characterized in that: the transmitter of same infrared detector and receiver are for alternately.
3, mutual-projection multi beam infrared palisade detector according to claim 2, it is characterized in that: the adjacent transmitter of same infrared detector and the distance between the receiver are 80-160mm.
4, mutual-projection multi beam infrared palisade detector according to claim 3, it is characterized in that: this is equipped with light shield to transmitter in the infrared detector and receiver.
5, mutual-projection multi beam infrared palisade detector according to claim 4, it is characterized in that: this all is provided with focusing lens at its front end to transmitter in the infrared detector and receiver.
6, mutual-projection multi beam infrared palisade detector according to claim 5 is characterized in that: the electric connection between these two infrared detectors can be to realize electrically connecting with cable, also can realize with wireless mode electrically connecting.
7, mutual-projection multi beam infrared palisade detector according to claim 6 is characterized in that: the signal that this warning device receives is a kind of in relay switch signal, level signal, coded signal or the sound and light signal, or several multiplexing.
8, according to the mutual-projection multi beam infrared palisade detector described in any one of the claim 1 to 7, it is characterized in that: the principle of work of this control circuit is to be adopted as the timesharing scan mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420071951 CN2710063Y (en) | 2004-07-27 | 2004-07-27 | Mutual-projection multi-beam infrared railings sounder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420071951 CN2710063Y (en) | 2004-07-27 | 2004-07-27 | Mutual-projection multi-beam infrared railings sounder |
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| Publication Number | Publication Date |
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| CN2710063Y true CN2710063Y (en) | 2005-07-13 |
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| CN 200420071951 Expired - Lifetime CN2710063Y (en) | 2004-07-27 | 2004-07-27 | Mutual-projection multi-beam infrared railings sounder |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136177A (en) * | 2011-04-29 | 2011-07-27 | 上海大学 | Wiring-free infrared barrier alarming system |
| CN102460528A (en) * | 2009-06-11 | 2012-05-16 | 皇家飞利浦电子股份有限公司 | Subject detection |
| CN103049972A (en) * | 2011-10-17 | 2013-04-17 | 天津市亚安科技股份有限公司 | Infrared curtain wall device and infrared radiating electronic curtain wall device |
| CN103049974A (en) * | 2013-01-27 | 2013-04-17 | 龚伟明 | Invisible anti-theft alarm device |
| CN104766507A (en) * | 2015-04-07 | 2015-07-08 | 张鹏 | Automobile attack reminding device under simulation battlefield environment |
| CN104992514A (en) * | 2015-08-10 | 2015-10-21 | 王义国 | Portable area protection alarm system |
| CN105588295A (en) * | 2014-12-29 | 2016-05-18 | 海信（山东）空调有限公司 | Air conditioner air outlet equipment and air conditioner |
| CN106157503A (en) * | 2015-04-03 | 2016-11-23 | 青岛海日安电子有限公司 | A kind of electronic grille fence |
| CN107067606A (en) * | 2017-04-13 | 2017-08-18 | 桂林龙隐科技有限公司 | Wisdom perceptual positioning fence system based on Internet of Things wireless induction |
| CN107170192A (en) * | 2017-06-26 | 2017-09-15 | 宁夏共享精密加工有限公司 | A kind of large-scale vertical lathe melt pit warning system |
| TWI636433B (en) * | 2013-03-21 | 2018-09-21 | 歐寶士股份有限公司 | Solar battery-driven object detection system |
| CN108877117A (en) * | 2018-08-31 | 2018-11-23 | 重庆节节高科技发展有限公司 | A kind of calibration system and its calibration method of unattended intelligent surveillance device |
| CN109850551A (en) * | 2019-04-10 | 2019-06-07 | 深圳市红标点科技有限公司 | A kind of rejected product material-pulling device that books conveyer belt apparatus uses |
| CN116863621A (en) * | 2023-08-01 | 2023-10-10 | 江苏奥都智能科技有限公司 | Perimeter alarm system |
-
2004
- 2004-07-27 CN CN 200420071951 patent/CN2710063Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460528A (en) * | 2009-06-11 | 2012-05-16 | 皇家飞利浦电子股份有限公司 | Subject detection |
| CN102136177A (en) * | 2011-04-29 | 2011-07-27 | 上海大学 | Wiring-free infrared barrier alarming system |
| CN103049972A (en) * | 2011-10-17 | 2013-04-17 | 天津市亚安科技股份有限公司 | Infrared curtain wall device and infrared radiating electronic curtain wall device |
| CN103049972B (en) * | 2011-10-17 | 2015-07-29 | 天津市亚安科技股份有限公司 | A kind of infrared curtain wall equipment and infrared emission electronics curtain wall device |
| CN103049974A (en) * | 2013-01-27 | 2013-04-17 | 龚伟明 | Invisible anti-theft alarm device |
| TWI636433B (en) * | 2013-03-21 | 2018-09-21 | 歐寶士股份有限公司 | Solar battery-driven object detection system |
| CN105588295A (en) * | 2014-12-29 | 2016-05-18 | 海信（山东）空调有限公司 | Air conditioner air outlet equipment and air conditioner |
| CN106157503A (en) * | 2015-04-03 | 2016-11-23 | 青岛海日安电子有限公司 | A kind of electronic grille fence |
| CN104766507A (en) * | 2015-04-07 | 2015-07-08 | 张鹏 | Automobile attack reminding device under simulation battlefield environment |
| CN104992514A (en) * | 2015-08-10 | 2015-10-21 | 王义国 | Portable area protection alarm system |
| CN107067606A (en) * | 2017-04-13 | 2017-08-18 | 桂林龙隐科技有限公司 | Wisdom perceptual positioning fence system based on Internet of Things wireless induction |
| CN107067606B (en) * | 2017-04-13 | 2023-03-10 | 北京电栏科技有限公司 | Intelligent sensing and positioning fence system based on wireless sensing of Internet of things |
| CN107170192A (en) * | 2017-06-26 | 2017-09-15 | 宁夏共享精密加工有限公司 | A kind of large-scale vertical lathe melt pit warning system |
| CN108877117A (en) * | 2018-08-31 | 2018-11-23 | 重庆节节高科技发展有限公司 | A kind of calibration system and its calibration method of unattended intelligent surveillance device |
| CN109850551A (en) * | 2019-04-10 | 2019-06-07 | 深圳市红标点科技有限公司 | A kind of rejected product material-pulling device that books conveyer belt apparatus uses |
| CN109850551B (en) * | 2019-04-10 | 2023-04-14 | 深圳市红标点科技有限公司 | Unqualified product blevile of push that books conveyer belt equipment used |
| CN116863621A (en) * | 2023-08-01 | 2023-10-10 | 江苏奥都智能科技有限公司 | Perimeter alarm system |
| CN116863621B (en) * | 2023-08-01 | 2024-03-26 | 江苏奥都智能科技有限公司 | Perimeter alarm system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140727 Granted publication date: 20050713 |