CN104280790A - Double-module infrared microwave movement detection device - Google Patents
Double-module infrared microwave movement detection device Download PDFInfo
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- CN104280790A CN104280790A CN201410583235.8A CN201410583235A CN104280790A CN 104280790 A CN104280790 A CN 104280790A CN 201410583235 A CN201410583235 A CN 201410583235A CN 104280790 A CN104280790 A CN 104280790A
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Abstract
The invention provides a double-module infrared microwave movement detection device. The double-module infrared microwave movement detection device comprises a central processing logic unit, a power supply rectifier module, an infrared probe module and a microwave receiving and sending module, wherein the power supply rectifier module, the infrared probe module and the microwave receiving and sending module are connected with the central processing logic unit. Three points on the movement path are detected through three infrared probes, and the precedence of the existence signal generation times of the three points is analyzed so that the movement direction in which a human body pass through the area can be obtained. When human body existence signals are generated, a microwave transmitter can be turned on through the central processing logic unit, and a signal of a microwave receiver is received at the same time; the accurate time at which the human body leaves the detection area is calculated by analyzing the magnitude of the signal; the double-module infrared microwave movement detection device has the advantages of being accurate in signal, clear in directivity and high in anti-interference capacity, and can be widely applied to intelligent control fields of subways, buildings, hotels and houses.
Description
Technical field
The present invention relates to infra-red detection technical field, particularly, relate to a kind of Dual module infrared microwave movement detector.
Background technology
Pyroscan, is a kind of existence by thermoelectric element human body or movement, and the output signal of thermoelectric element is converted to voltage signal, time variant before and after voltage signal, send signal to system; But, when human body long-time static time, thermoelectric element export signal there is no difference, will signal blind zone be produced, can not judge whether human body exists.
Existing pyroscan, is a kind of low cost and the detector that exists of widely used detecting human body, but because its inner reason own, can not make judging accurately human motion direction and the static for a long time situation of human body.
Such as, in the public arena adopting existing infrared sensor of the human body or room, human body can only be detected and whether exist, but not differentiate the static or direction of motion and motion of human body.If illuminator needs according to all lamps in the signal opened areas of infrared sensor of the human body and Delayed illumination a period of time, then can cause the situation that people goes lamp bright, the energy that waste illumination uses.
Adopt the automatically-controlled door of existing infrared sensor of the human body, as long as have human body signal in appointed area, existing infrared sensor of the human body just sends signal to automatically-controlled door, and automatically-controlled door is opened thereupon and time delay is closed the door.But because original infrared sensor of the human body can not differentiate that people prepares to enter the situation being also through this region, therefore cause automatically-controlled door automatically-controlled door when people just passes through and do not enter and open by mistake door.A large amount of existence opening by mistake a situation, creates load to the refrigeration of inside buildings or heating, wastes the energy.
In hotel's controllable system, adopt existing infrared sensor of the human body, make the unmanned rub-out signal existed, can make some false commands based on this rub-out signal controllable system to the state of human body not movement for a long time, these instructions will reduce the comfort level of guest's house.
From the above, existing infrared sensor of the human body, judges accurately owing to cannot make human motion direction and the static for a long time situation of human body, will cause the wasting of resources and reduce the problems such as comfort.
Summary of the invention
The present invention is directed to above shortcomings in prior art, provide a kind of Dual module infrared microwave movement detector.The present invention utilizes the principle of microwave detector, the microwave of batch-type is radiated by microwave emitter, the microwave returned is received again by microwave receiver, the movement velocity of object and the displacement of distance this locality is obtained according to signal intensity, can make human motion direction and the static for a long time situation of human body and judging accurately, solve the problem that existing infrared sensor of the human body causes the wasting of resources and comfort difference.
For achieving the above object, the present invention is achieved by the following technical solutions.
A kind of Dual module infrared microwave movement detector, comprises central authorities' process logical block and processes with central authorities power rectifier module, infrared probe module and the microwave transceiver module that logical block is connected, wherein:
-power rectifier module, its input end is connected with external power source, and is that direct current 5V voltage exports central authorities' process logical block to by external dc or interchange 24V voltage transitions;
-infrared probe module, comprises multiple infrared probe, and described multiple infrared probe points to the multiple spot position of a direction of motion respectively, and each infrared probe processes logical block respectively by the normalized circuit corresponding with it with central authorities and is connected;
-microwave transceiver module, comprises corresponding microwave receiver and microwave emitter, and described microwave emitter processes logical block control linkage with central authorities, and to launched microwave signal in whole region; The microwave signal received is sent into central authorities' process logical block by described microwave receiver, and the intensity of described central authorities' process logical block to microwave signal is analyzed.
Preferably, also comprise the adjustment of sensitivity treatment circuit processing logical block with central authorities and be connected, the value lower than sensitivity, by regulating adjustment of sensitivity treatment circuit, is filtered by described central authorities process logical block.
Preferably, described infrared probe is three, and three infrared probes point to three end positions of a direction of motion respectively; Described three end positions are specially: detection direction position to the right, detection direction middle position and detection direction position to the left.
Dual module infrared microwave movement detector provided by the invention, its course of work is:
Three points on three infrared probe detection motion paths, central authorities' process logical block produces to three somes the precedence that there is signal time and analyzes, and draws the direction of motion of human body through this region; Produce while human body exists signal when central processing logic unit receives, central authorities' process logical block can open microwave emitter, microwave emitter is to whole field emission microwave signal, central authorities' process logical block receives the microwave signal that microwave receiver receives simultaneously, by the analysis to microwave signal degree of strength, calculate the real time that human body leaves search coverage.
Compared with prior art, the present invention has following beneficial aspects:
1, the present invention has transformed traditional infrared sensor, by three points on three infrared probe detection motion paths, produces the precedence analysis that there is the time of signal draw the direction of motion of human body through this region to three points; When producing human body and there is signal, central authorities' process logical block controls to open microwave emitter, and receive the signal of microwave receiver simultaneously, by analyzing signal degree of strength, calculate the correct time that human body leaves search coverage, can make human motion direction and the static for a long time situation of human body and judging accurately;
2, the present invention can be applied to area illumination control and the automatic door control field of illuminator;
When being used in area illumination aspect, by providing human body entry time, the accurate signal of direction of motion and time departure, illuminator utilizes accurate location and the correct time of this signal accurate assurance switch lamp, for best lighting environment is created in walking, save lighting energy, avoid energy dissipation;
When being used in automatic door control aspect, signal accurately can being provided for automatically-controlled door, decreasing the maloperation of door; And automatically-controlled door is closed the door rapidly according to the time departure of human body, reduce the load of refrigeration or heating;
3, signal of the present invention is accurate, and directive property is clear and definite, and antijamming capability is strong, can be widely used in the field of intelligent control such as subway, building, hotel, household.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is one-piece construction schematic diagram of the present invention.
Embodiment
Below embodiments of the invention are elaborated: the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Present embodiments provide a kind of Dual module infrared microwave movement detector, comprise central authorities' process logical block and process with central authorities power rectifier module, infrared probe module and the microwave transceiver module that logical block is connected, wherein:
Power rectifier module, its input end is connected with external power source, and is that direct current 5V voltage exports central authorities' process logical block to by external dc or interchange 24V voltage transitions;
-infrared probe module, comprises three infrared probes, and described three infrared probes point to 3 positions of a direction of motion respectively, and each three infrared probe processes logical block respectively by the normalized circuit corresponding with it with central authorities and is connected;
-microwave transceiver module, comprises corresponding microwave receiver and microwave emitter, and described microwave emitter processes logical block control linkage with central authorities, and to launched microwave signal in whole region; The microwave signal received is sent into central authorities' process logical block by described microwave receiver, and the intensity of described central authorities' process logical block to microwave signal is analyzed.
Further, also comprise the adjustment of sensitivity treatment circuit processing logical block with central authorities and be connected, the value lower than sensitivity, by regulating adjustment of sensitivity treatment circuit, is filtered by described central authorities process logical block.
The Dual module infrared microwave movement detector that the present embodiment provides, its course of work is:
Three points on three infrared probe detection motion paths, central authorities' process logical block produces to three somes the precedence that there is signal time and analyzes, and draws the direction of motion of human body through this region; Produce while human body exists signal when central processing logic unit receives, central authorities' process logical block can open microwave emitter, microwave emitter is to whole field emission microwave signal, central authorities' process logical block receives the microwave signal that microwave receiver receives simultaneously, by the analysis to microwave signal degree of strength, calculate the real time that human body leaves search coverage.
Be specially,
As shown in Figure 1, the Dual module infrared microwave movement detector that the present embodiment provides, comprising: three infrared probes, a microwave emitter, microwave receiver, adjustment of sensitivity treatment circuit and central authorities' process logical block composition.Wherein:
The direct current that power rectifier module in charge inputs outside or exchange 24V and be converted into the 5V that internal system needs;
Three infrared probes point to three end positions of a direction of motion respectively.The signal entering signal normalization circuit of probe detection.Central authorities' process logical block is sent into through normalized;
Microwave emitter receives the order that central authorities' process logical block sends, launched microwave signal in whole region;
The signal intensity received is sent into central authorities' process logical block by microwave receiver;
Adjustment of sensitivity treatment circuit, by regulating it, central authorities' process logical block filters the value lower than sensitivity.
Central authorities' process logical block receives the signal of 3 infrared probes, judges whether human body enters surveyed area, enter the direction of rear motion according to the signal in three signals.Then open microwave emitter, receive the signal of microwave receiver.Judge whether human body leaves region by the power change of microwave receiving signal.Send human body and there is signal and direction of motion signal.
The present embodiment has transformed traditional infrared sensor, by three points on three infrared probe detection motion paths, produces the precedence analysis that there is the time of signal draw the direction of motion of human body through this region to three points.When producing human body and there is signal, central authorities' process logical block can open microwave emitter, and receives the signal of microwave receiver simultaneously, by analyzing signal degree of strength, calculates the correct time that human body leaves search coverage.
Three points on three infrared probe detection motion paths, there is the precedence of the time of signal to three somes generations and analyze in central authorities' process logical block, draws the direction of motion of human body through this region.And there is signal simultaneously when producing human body, central authorities' process logical block can open microwave emitter, central authorities' process logical block receives the signal of microwave receiver simultaneously, by analyzing signal degree of strength, calculates the real time that human body leaves search coverage.Such illuminator can open the light fixture consistent with human motion direction according to signal, and accurate assurance people can leave time in this region, completes action of turning off the light.Save lighting energy, avoid waste.
In area illumination, human body entry time is provided, the accurate signal of direction of motion and time departure, such illuminator utilizes this signal to grasp accurate location and the correct time of switch lamp, it can be again the lighting environment that the walking creation of people is best, such illuminator can open the light fixture consistent with human motion direction according to signal, and accurate assurance people can leave time in this region, completes action of turning off the light.Save lighting energy, avoid energy dissipation.
In automatically-controlled door application aspect, for automatically-controlled door provides signal accurately, decrease the maloperation of door.And automatically-controlled door is closed the door rapidly according to the time departure of human body, reduce the load of refrigeration or heating.
The demand needing to judge that human body exists for those in hotel is controlled provides a kind of and compares the selection scheme that existing human body exists sensor more low cost.
The Dual module infrared microwave movement detector that the present embodiment provides, signal is accurate, and directive property is clear and definite, and antijamming capability is strong, can be widely used in the field of intelligent control such as subway, building, hotel, household.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (3)
1. a Dual module infrared microwave movement detector, is characterized in that, comprises central authorities' process logical block and processes with central authorities power rectifier module, infrared probe module and the microwave transceiver module that logical block is connected, wherein:
Power rectifier module, its input end is connected with external power source, and is that direct current 5V voltage exports central authorities' process logical block to by external dc or interchange 24V voltage transitions;
Infrared probe module, comprises multiple infrared probe, and described multiple infrared probe points to the multiple spot position of a direction of motion respectively, and each infrared probe processes logical block respectively by the normalized circuit corresponding with it with central authorities and is connected;
Microwave transceiver module, comprises corresponding microwave receiver and microwave emitter, and described microwave emitter processes logical block control linkage with central authorities, and to launched microwave signal in whole region; The microwave signal received is sent into central authorities' process logical block by described microwave receiver, and the intensity of described central authorities' process logical block to microwave signal is analyzed.
2. Dual module infrared microwave movement detector according to claim 1, it is characterized in that, also comprise the adjustment of sensitivity treatment circuit processing logical block with central authorities and be connected, the value lower than sensitivity, by regulating adjustment of sensitivity treatment circuit, is filtered by described central authorities process logical block.
3. Dual module infrared microwave movement detector according to claim 1 and 2, is characterized in that, described infrared probe is three, and three infrared probes point to three end positions of a direction of motion respectively; Described three end positions are specially: detection direction position to the right, detection direction middle position and detection direction position to the left.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105068520A (en) * | 2015-07-31 | 2015-11-18 | 惠而浦（中国）股份有限公司 | Novel smart home system and installation and control method |
| CN108224728A (en) * | 2017-12-22 | 2018-06-29 | 珠海格力电器股份有限公司 | Moving component control method, device, storage medium and the equipment of air outlet device |
| CN108732581A (en) * | 2017-04-18 | 2018-11-02 | 浙江安尼智能门窗有限公司 | A kind of infrared acquisition method and smart lock for differentiating object proximity |
| CN109308013A (en) * | 2018-09-29 | 2019-02-05 | 安徽独角仙信息科技有限公司 | A kind of soft-touch control Intelligentized regulating and controlling system based on infrared sensor detection |
| CN109448350A (en) * | 2018-11-27 | 2019-03-08 | 浙江帮帮环境科技集团有限公司 | Mouse feelings intelligent radio monitoring method |
| CN109720375A (en) * | 2017-10-30 | 2019-05-07 | 比亚迪股份有限公司 | Straddle-type monorail orbit occupancy detection system, method and electronic equipment |
| CN112946632A (en) * | 2021-01-22 | 2021-06-11 | 深圳迈睿智能科技有限公司 | Presence detection device, presence detection control apparatus, and presence detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105068520A (en) * | 2015-07-31 | 2015-11-18 | 惠而浦（中国）股份有限公司 | Novel smart home system and installation and control method |
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| CN109308013A (en) * | 2018-09-29 | 2019-02-05 | 安徽独角仙信息科技有限公司 | A kind of soft-touch control Intelligentized regulating and controlling system based on infrared sensor detection |
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| CN112946632A (en) * | 2021-01-22 | 2021-06-11 | 深圳迈睿智能科技有限公司 | Presence detection device, presence detection control apparatus, and presence detection method |
| CN112946632B (en) * | 2021-01-22 | 2023-09-29 | 深圳迈睿智能科技有限公司 | Presence detection device, presence detection control apparatus, and presence detection method |
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Address after: 200436, No. 1198, Wanrong Road, Shanghai, Jingan District, 5 floor Applicant after: SHANGHAI SIIC-LONGCHUANG SMARTER ENERGY TECHNOLOGY CO., LTD. Address before: 200436, No. 1198, Wanrong Road, Shanghai, Zhabei District, 5 floor Applicant before: Shanghai Longchuang Eco-Energy Systems Co., Ltd. |
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Application publication date: 20150114 |