CN103148946A - Universal human body induction device - Google Patents
Universal human body induction device Download PDFInfo
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- CN103148946A CN103148946A CN2013100606178A CN201310060617A CN103148946A CN 103148946 A CN103148946 A CN 103148946A CN 2013100606178 A CN2013100606178 A CN 2013100606178A CN 201310060617 A CN201310060617 A CN 201310060617A CN 103148946 A CN103148946 A CN 103148946A
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- human body
- controller
- pyroelectric sensor
- electric rotating
- fresnel lens
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Abstract
The utility model discloses a universal human body induction device which comprises a mounting chassis, a shell, a Fresnel lens, a pyroelectric sensor and a controller, wherein the pyroelectric sensor is installed on the controller; and the controller is installed on the mounting chassis. The universal human body induction device further comprises a rotating motor installed on the mounting chassis; a light shielding disc capable of shielding infrared light is installed at the shaft end of the rotating motor; at least one light hole for allowing the infrared light to pass through is arranged in the light shielding disc; and the rotating motor can drive the light shielding disc to rotate. The controller comprises a power supply circuit, a signal processing circuit, a motor control circuit and a microcontroller for centralized control. The pyroelectric sensor is arranged at the optical center of the Fresnel lens. The universal human body induction device has the beneficial effect that through rotating the light shielding disc, a static human body can be enabled to generate a dynamic signal on the pyroelectric sensor so as to realize the detection function of the static human body.
Description
Technical field
The present invention relates to a kind of human body sensing device of Almightiness type, belong to sensor technical field.
Background technology
At present, in the application scenario of security protection and lighting energy saving, generally adopt the working method of human body infrared signal.The infrared ray that the human heat produces focuses on pyroelectric infrared sensor through Fresnel lens.Because signal is very faint, so pyroelectric infrared sensor adopts differential principle to design on signal processing mode.Therefore only have to be under the state of walking about when human body, just can effectively detect, there is no detectability for static human body.
Domestic patent Z200810067283.6 discloses a kind of thermal release electric infra-red ray human body detection device, comprises Thermoelectric Infrared Sensor, Fresnel lens, electronic circuit and travel mechanism, and described Thermoelectric Infrared Sensor is fixed in travel mechanism.Described travel mechanism comprises driving arrangement and the bracing frame that is driven by driving arrangement, and described Thermoelectric Infrared Sensor is fixed on bracing frame.This moving structure drives Thermoelectric Infrared Sensor and moves, and makes static human body have motion with respect to Thermoelectric Infrared Sensor.Due to the architectural feature of Fresnel lens, determined that the diametric motion of the relative Fresnel lens of human body than the motion of circumferencial direction, has lower sensitivity.And patent Z200810067283.6 adopts the mode that swings, and therefore not only complex structure, and such mode of motion is difficult to reach optimum efficiency not on the highest circumferencial direction of detection sensitivity.
domestic patent 201110066677.1 discloses a kind of infrared human body induction installation with full attitude human body sensing ability, comprise installation chassis, shell, power light, Fresnel lens, pyroelectric infrared sensor and controller, described pyroelectric infrared sensor is arranged on described controller, also comprise electric rotating machine and mounting bracket, and reducer casing and swing pinion, described controller is arranged on rotating disc, described rotating disc is arranged on the turning axle of described installation chassis by the axis hole at center, on the circumference of described rotating disc, rack circle is set, with described swing pinion engagement, described electric rotating function drives described rotating disc rotation.Described controller is connected with copper ring on described installation chassis by the elasticity copper brush on described rotating disc, carries out signal output.Can find out that patent 201110066677.1 structures are very complicated, can not complete long-term reliably working.
Summary of the invention
The objective of the invention is in order to overcome weak point of the prior art, adopt electric rotating machine to drive shadow shield and make the infrared signal of human body produce alternating signal on pyroelectric sensor, carry out the detection of static human.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of human body sensing device of Almightiness type, comprise installation chassis, shell, Fresnel lens, pyroelectric sensor and controller, described pyroelectric sensor is arranged on described controller, described controller is arranged on described installation chassis, also comprise the electric rotating machine that is arranged on described installation chassis, the axle head of described electric rotating machine is installed the blanking disc that can block infrared light, the light hole that at least one can allow infrared light to pass through is set on described blanking disc, and described electric rotating function drives described blanking disc rotation.
Described controller comprises the power circuit that working power is provided, and to the signal processing circuit that described pyroelectric sensor output signal is processed, drives the circuit for controlling motor of described electric rotating machine and carries out central controlled micro controller.
Described pyroelectric sensor is arranged on the optical centre of described Fresnel lens.
Implementing good effect of the present invention is: can detect simultaneously dynamic and static human body; And simple in structure, cost is low.
Description of drawings
Fig. 1 is the cut-open view of human body sensing device;
Fig. 2 is the structural drawing of Fresnel lens;
Fig. 3 is the structural drawing of shadow shield;
Fig. 4 is the control block diagram of human body sensing device.
Embodiment
Now the invention will be further described by reference to the accompanying drawings:
A kind of human body sensing device of Almightiness type comprises installation chassis 2, shell 3, Fresnel lens 1, pyroelectric sensor 5 and controller 4.Described Fresnel lens 1 is arranged on the top, and the infrared light that is used for human body is sent focuses on.Described pyroelectric sensor 5 is arranged on described controller 4, and the infrared light that is used for receiving is converted to electric signal.Described controller 4 is arranged on described installation chassis 2, carries out centralized control.
Also comprise the electric rotating machine 6 that is arranged on described installation chassis 2, the axle head of described electric rotating machine 6 is installed the blanking disc 7 that can block infrared light, the light hole 8 that at least one can allow infrared light to pass through is set on described blanking disc 7, and described electric rotating machine 6 can drive described blanking disc 7 rotations.Described pyroelectric sensor 5 is positioned on the circumference of described light hole 8, and when described blanking disc 7 rotation, the infrared light that human body sends can shine on described pyroelectric sensor 5 by light hole 8.
Described controller 4 comprises the power circuit 14 that working power is provided, and to the signal processing circuit 10 that described pyroelectric sensor 5 output signals are processed, drives the circuit for controlling motor 11 of described electric rotating machine 6 and carries out central controlled micro controller 9.
Described pyroelectric sensor 5 is arranged on the optical centre of described Fresnel lens 1.
When human body sensing device was worked, described microprocessor 9 was controlled described electric rotating machine 6 and is driven described blanking disc 7 rotations, and the infrared light that human body sends can shine on described pyroelectric sensor 5 by light hole 8.At this moment, even human body remains static, can obtain alternating signal on described pyroelectric sensor 5.
In sum, this patent adopts electric rotating machine to drive shadow shield and makes the infrared signal of human body produce the principle of alternating signal on pyroelectric sensor, to the static human detection according to the performance characteristics of pyroelectric sensor.This scheme design has simple in structure, and cost is low, and the advantage of dependable performance can be used for a long time.
Claims (3)
1. the human body sensing device of an Almightiness type, comprise installation chassis, shell, Fresnel lens, pyroelectric sensor and controller, described pyroelectric sensor is arranged on described controller, described controller is arranged on described installation chassis, it is characterized in that: also comprise the electric rotating machine that is arranged on described installation chassis, the axle head of described electric rotating machine is installed the blanking disc that can block infrared light, the light hole that at least one can allow infrared light to pass through is set on described blanking disc, described electric rotating function drives described blanking disc rotation.
2. the human body sensing device of a kind of Almightiness type according to claim 1, it is characterized in that: described controller comprises the power circuit that working power is provided, to the signal processing circuit that described pyroelectric sensor output signal is processed, drive the circuit for controlling motor of described electric rotating machine and carry out central controlled micro controller.
3. the human body sensing device of a kind of Almightiness type according to claim 1, it is characterized in that: described pyroelectric sensor is arranged on the optical centre of described Fresnel lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100606178A CN103148946A (en) | 2013-02-27 | 2013-02-27 | Universal human body induction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100606178A CN103148946A (en) | 2013-02-27 | 2013-02-27 | Universal human body induction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103148946A true CN103148946A (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100606178A Pending CN103148946A (en) | 2013-02-27 | 2013-02-27 | Universal human body induction device |
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| CN (1) | CN103148946A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812488A (en) * | 2014-03-10 | 2014-05-21 | 苏州硕穗光机电科技有限公司 | Swing arm type human body infrared sensing switch |
| CN104180906A (en) * | 2014-08-21 | 2014-12-03 | 衢州迪升工业设计有限公司 | Probe of personal safety monitoring device |
| CN105093346A (en) * | 2015-05-19 | 2015-11-25 | 南京信息工程大学 | Infrared detection apparatus and method for detecting stationary human body and moving human body |
| CN105259589A (en) * | 2015-11-19 | 2016-01-20 | 南京信息工程大学 | Infrared detection device for detecting human body and control method of infrared detection device |
| CN106932106A (en) * | 2017-03-29 | 2017-07-07 | 南京信息工程大学 | A kind of High-precision human infrared detection device and its detection method |
| CN108513625A (en) * | 2017-07-04 | 2018-09-07 | 深圳通感微电子有限公司 | Infrared detector and infrared acquisition method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4801212A (en) * | 1984-10-30 | 1989-01-31 | Minolta Camera Kabushiki Kaisha | Optical system for radiation thermometer |
| CN102928090A (en) * | 2012-11-09 | 2013-02-13 | 南京天溯自动化控制系统有限公司 | Human body detector with interval shielding device |
-
2013
- 2013-02-27 CN CN2013100606178A patent/CN103148946A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4801212A (en) * | 1984-10-30 | 1989-01-31 | Minolta Camera Kabushiki Kaisha | Optical system for radiation thermometer |
| CN102928090A (en) * | 2012-11-09 | 2013-02-13 | 南京天溯自动化控制系统有限公司 | Human body detector with interval shielding device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812488A (en) * | 2014-03-10 | 2014-05-21 | 苏州硕穗光机电科技有限公司 | Swing arm type human body infrared sensing switch |
| CN104180906A (en) * | 2014-08-21 | 2014-12-03 | 衢州迪升工业设计有限公司 | Probe of personal safety monitoring device |
| CN105093346A (en) * | 2015-05-19 | 2015-11-25 | 南京信息工程大学 | Infrared detection apparatus and method for detecting stationary human body and moving human body |
| CN105259589A (en) * | 2015-11-19 | 2016-01-20 | 南京信息工程大学 | Infrared detection device for detecting human body and control method of infrared detection device |
| CN106932106A (en) * | 2017-03-29 | 2017-07-07 | 南京信息工程大学 | A kind of High-precision human infrared detection device and its detection method |
| CN108513625A (en) * | 2017-07-04 | 2018-09-07 | 深圳通感微电子有限公司 | Infrared detector and infrared acquisition method |
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| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130612 |