CN106332409A - Human body infrared sensing device - Google Patents
Human body infrared sensing device Download PDFInfo
- Publication number
- CN106332409A CN106332409A CN201610636522.XA CN201610636522A CN106332409A CN 106332409 A CN106332409 A CN 106332409A CN 201610636522 A CN201610636522 A CN 201610636522A CN 106332409 A CN106332409 A CN 106332409A
- Authority
- CN
- China
- Prior art keywords
- circuit
- human body
- infrared sensor
- controller
- body infrared
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
- E05F15/74—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects using photoelectric cells
Abstract
The invention discloses a human body infrared sensing device comprising an infrared sensor and a controller. The infrared sensor is connected with a voltage regulation circuit and a step-down circuit in sequence. The infrared sensor is connected with the controller through a filter circuit, a photoelectric isolation circuit and a signal amplification circuit in sequence. The controller is further connected with a driver circuit. The human body infrared sensing device is of high stability, and is invulnerable to interference of external signals.
Description
Technical field
The present invention relates to induction device field, in particular it relates to a kind of human body infrared induction installation.
Background technology
Utilizing infrared ray to sense human body is sensing device conventional in existing control circuit, and it is at lamp control, door
Prosecutor face uses extensively.Existing human body infrared induction apparatus includes controller and infrared sensor, the signal warp of infrared sensor
Amplifying circuit sends controller to and processes, and utilizes controller to send control signals to follow-up circuit.It exists
Shortcoming, owing to infrared sensor is a kind of sensitive components, its stability is highly important, and it needs external power source to supply
Electricity, the stability of power supply is related to the stability of infrared sensor.
Summary of the invention
The technical problem to be solved is to provide a kind of human body infrared induction installation, its good stability, is susceptible to
External signal is disturbed.
The present invention solves the problems referred to above and be the technical scheme is that
A kind of human body infrared induction installation, including infrared sensor and controller, described infrared sensor is connected with in turn
Mu balanced circuit and reduction voltage circuit, described infrared sensor passes sequentially through filter circuit, photoelectric isolating circuit and signal and amplifies electricity
Road is connected with controller, and described controller is also associated with drive circuit.
As preferably, described signal amplification circuit includes operational amplifier.
As preferably, described drive circuit is relay output control circuit.
Further, described relay output control circuit connects and has brightness regulating circuit.
Further, described brightness regulating circuit includes photoconductive resistance.
To sum up, the invention has the beneficial effects as follows:
1, the power supply of the infrared sensor of the present invention flows to infrared sensor after reduction voltage circuit blood pressure lowering, mu balanced circuit voltage stabilizing,
Avoid power supply in opening moment or experimentation, surge or the external disturbance destroying infection to infrared sensor, and utilize light
The signal of subsequent conditioning circuit is isolated by electric isolating circuit, it is ensured that the signal one-way transmission of infrared sensor, it is to avoid subsequent conditioning circuit
The signal impact on infrared sensor, it is ensured that the stability of infrared sensor.
2, the present invention utilizes filter circuit to be filtered the signal of infrared sensor collection, improves the anti-interference energy of signal
Power, i.e. improves the accuracy that controller controls.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of present invention work, but embodiments of the present invention
It is not limited to this.
Embodiment 1:
A kind of human body infrared induction installation as shown in Figure 1, including infrared sensor and controller, on described infrared sensor
Be connected with mu balanced circuit and reduction voltage circuit in turn, described infrared sensor pass sequentially through filter circuit, photoelectric isolating circuit and
Signal amplification circuit is connected with controller, and described controller is also associated with drive circuit.
In the present invention, send signal to after the filtered circuit filtering of the signal of infrared sensor, photoelectric isolating circuit to put
Big circuit sends controller to after amplifying, and drive circuit is controlled after judging signal by controller.Due to Phototube Coupling electricity
Road has unipolarity, and the signal of infrared sensor is only capable of the one end from infrared sensor and is sent to one end of signal amplifier, keeps away
Infrared sensor is disturbed by the signal exempting from controller, it is ensured that the stability of infrared sensor.Infrared sensor needs outside
Power supply could run after powering, and connects reduction voltage circuit and mu balanced circuit at power end, supplies the power supply of input after blood pressure lowering, voltage stabilizing
To infrared sensor, it is ensured that supply infrared sensor voltage stabilization, it is to avoid power supply open surge in a flash to infrared biography
The destruction of sensor and external disturbance.
Embodiment 2:
A kind of human body infrared induction installation as shown in Figure 1, the present embodiment optimizes on the basis of above-described embodiment, i.e. institute
The signal amplification circuit stated includes operational amplifier.Operational amplifier and peripheral circuit is utilized to constitute signal amplification circuit, its electricity
Line structure is simple, low cost, and restricting the number amplification effect is good.
Embodiment 3:
Plurality of devices can be controlled by the human body infrared induction apparatus of the present invention, a kind of human body infrared sensing as shown in Figure 1
Device, for the ease of being controlled sensing lamp, the present embodiment optimizes on the basis of above-described embodiment, and i.e. described drives
Galvanic electricity road is relay output control circuit.
Connect on described relay output control circuit and have brightness regulating circuit.Utilize bright to lamp of brightness regulating circuit
Degree is adjusted, and reaches energy-conservation purpose.
Described brightness regulating circuit includes photoconductive resistance.The resistance of photoconductive resistance can be along with the strong and weak change of extraneous light
Changing, utilize photoconductive resistance to realize the sensing to light, it is cheap, and highly sensitive.
As it has been described above, the present invention can preferably be realized.
Claims (5)
1. a human body infrared induction installation, including infrared sensor and controller, it is characterised in that: described infrared sensor
On be connected with mu balanced circuit and reduction voltage circuit in turn, described infrared sensor passes sequentially through filter circuit, photoelectric isolating circuit
It is connected with controller with signal amplification circuit, described controller is also associated with drive circuit.
A kind of human body infrared induction installation the most according to claim 1, it is characterised in that: described signal amplification circuit bag
Include operational amplifier.
A kind of human body infrared induction installation the most according to claim 1, it is characterised in that: described drive circuit is relay
Device output control circuit.
A kind of human body infrared induction installation the most according to claim 3, it is characterised in that: described relay output controls
Connect on circuit and have brightness regulating circuit.
A kind of human body infrared induction installation the most according to claim 4, it is characterised in that: described brightness regulating circuit bag
Include photoconductive resistance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016101138751 | 2016-03-01 | ||
| CN201610113875.1A CN105700036A (en) | 2016-03-01 | 2016-03-01 | Human body infrared induction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106332409A true CN106332409A (en) | 2017-01-11 |
Family
ID=56223670
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610113875.1A Pending CN105700036A (en) | 2016-03-01 | 2016-03-01 | Human body infrared induction device |
| CN201610636522.XA Pending CN106332409A (en) | 2016-03-01 | 2016-08-05 | Human body infrared sensing device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610113875.1A Pending CN105700036A (en) | 2016-03-01 | 2016-03-01 | Human body infrared induction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105700036A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0674504A (en) * | 1992-08-21 | 1994-03-15 | Mitsubishi Electric Corp | Automatic operation device for toilet ventilation fan |
| CN201270608Y (en) * | 2008-10-16 | 2009-07-08 | 宁波奥博尔电器有限公司 | LED lighting circuit |
| CN102427646A (en) * | 2011-12-12 | 2012-04-25 | 河南省电力公司驻马店供电公司 | Street lamp later night automatic switching control device |
| CN202927783U (en) * | 2012-12-06 | 2013-05-08 | 中国矿业大学 | Intelligent lamp switch |
-
2016
- 2016-03-01 CN CN201610113875.1A patent/CN105700036A/en active Pending
- 2016-08-05 CN CN201610636522.XA patent/CN106332409A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0674504A (en) * | 1992-08-21 | 1994-03-15 | Mitsubishi Electric Corp | Automatic operation device for toilet ventilation fan |
| CN201270608Y (en) * | 2008-10-16 | 2009-07-08 | 宁波奥博尔电器有限公司 | LED lighting circuit |
| CN102427646A (en) * | 2011-12-12 | 2012-04-25 | 河南省电力公司驻马店供电公司 | Street lamp later night automatic switching control device |
| CN202927783U (en) * | 2012-12-06 | 2013-05-08 | 中国矿业大学 | Intelligent lamp switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105700036A (en) | 2016-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |
|
| RJ01 | Rejection of invention patent application after publication |