CN106230428A - A kind of infrared induction circuit - Google Patents
A kind of infrared induction circuit Download PDFInfo
- Publication number
- CN106230428A CN106230428A CN201610798434.XA CN201610798434A CN106230428A CN 106230428 A CN106230428 A CN 106230428A CN 201610798434 A CN201610798434 A CN 201610798434A CN 106230428 A CN106230428 A CN 106230428A
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- feet
- main control
- control chip
- resistance
- adapter
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
A kind of infrared induction circuit, including reduction voltage circuit, main control chip U1, singlechip emulator, adapter, supply voltage VCC and reduction voltage circuit, adapter, main control chip U1, the drain electrode of field effect transistor Q1 connects respectively, output voltage after reduction voltage circuit blood pressure lowering and singlechip emulator, adapter, main control chip U1, infrared receiver diode PT connects respectively, adapter is connected with main control chip U1, described main control chip U1 is connected with the grid of field effect transistor Q1, a light emitting diode D1 it is provided with between supply voltage VCC and the drain electrode of field effect transistor Q1, described main control chip is provided with infrared emitting diode IR.This circuit have the beneficial effect that this infrared induction circuit can be monitored in time, by Infrared emitting and receiving control, judge whether user opens the door or close the door；Having battery over-discharge protection, when voltage is less than 3.6V, blood pressure lowering chip U2 is automatically stopped work.
Description
Technical field
The invention belongs to infrared induction and control technical field, be specifically related to a kind of red for judging that door is turned on or off
Outside line induction line.
Background technology
Along with the development of science and technology, the various configurations of daily life are the most increasingly advanced, and people's life is more and more convenient.Greatly
Door is as the first safeguard protection line of homes and offices, and in order to improve safety, we need opposite house to carry out a prison
Control.And for more safe and convenient, specially need the enabling to user, whether closing the door is monitored.
Summary of the invention
The problem that the invention aims to solve the monitoring of current opposite house, it is provided that a kind of infrared induction circuit.
In order to reach foregoing invention purpose, the present invention by the following technical solutions:
A kind of infrared induction circuit, including reduction voltage circuit, main control chip U1, singlechip emulator, adapter, power supply electricity
Pressure VCC is connected respectively with reduction voltage circuit, adapter, main control chip U1, the drain electrode of field effect transistor Q1, defeated after reduction voltage circuit blood pressure lowering
Go out voltage to be connected respectively with singlechip emulator, adapter, main control chip U1, infrared receiver diode PT, adapter and master
Control chip U1 connects, and described main control chip U1 is connected with the grid of field effect transistor Q1, supply voltage VCC and the leakage of field effect transistor Q1
Being provided with a light emitting diode D1 between pole, described main control chip is provided with infrared emitting diode IR.This programme achieves master
Control chip U1 launches a frequency and is supplied to infrared emitting diode IR, receives identical frequency when outside line receives pipe PT
Time, main control chip U1 provides signal supply field effect transistor Q1 as the confirmation opened the door with close the door, and field effect transistor Q1 is as point
Bright electronic switching circuit or closedown LED (light emitting diode D1).Through Infrared emitting and receiving control, outside line receives pipe
PT coordinates with infrared emitting diode IR, senses and judges opening or closing of door.
Further, reduction voltage circuit be supply voltage VCC and electric capacity C1 one end, the positive pole of electric capacity C2, blood pressure lowering chip U2 defeated
Enter end 3 feet to connect respectively, the electric capacity C1 other end, the minus earth of electric capacity C2；Outfan 2 foot of blood pressure lowering chip U2 and electric capacity C3 mono-
End connects, the voltage+3.3V after outfan 2 foot of blood pressure lowering chip U2 the most also output buck；The electric capacity C3 other end, blood pressure lowering chip
The common port 1 foot ground connection of U2.The electric capacity C1, the electric capacity C1 that vary in size are input earth going for supply voltage VCC
Coupling filters, and the indirect electric capacity C3 on the outfan of blood pressure lowering chip U2 and ground is in order to export filtering.Blood pressure lowering chip U2 is automatic when low pressure
Quit work.
Further, positive voltage terminal 1 foot of main control chip U1 connects the earth terminal 8 foot ground connection of voltage+3.3V, main control chip U1,
7 feet of main control chip U1 are connected respectively with electric capacity C5 one end, resistance R6 one end, resistance R7 one end, the electric capacity C5 other end, resistance R6
Other end ground connection respectively, 3 feet of resistance R7 another termination supply voltage VCC, main control chip U1 are connected with resistance R4 one end, resistance
The R4 other end is connected with the base stage of audion Q2, the emitter stage of audion Q2, colelctor electrode respectively with voltage+3.3V, resistance R5 mono-
End connects, and the resistance R5 other end is connected with infrared emitting diode IR positive pole, infrared emitting diode IR minus earth；Main
2 feet of control chip U1 are connected with resistance R2 one end, and the resistance R2 other end is connected with field effect transistor Q1 grid, the grid of field effect transistor Q1
An external resistance R1 between pole and source electrode, field effect transistor Q1 source ground, the drain electrode of field effect transistor Q1 is negative with light emitting diode D1's
Pole connects, and the positive pole of light emitting diode D1 meets supply voltage VCC.
Further, 1 foot of described voltage+3.3V and adapter, 2 feet, 3 feet are connected respectively, 4 feet of adapter and resistance
R8 one end, resistance R8 other end ground connection, 6 feet of adapter are connected with 5 feet of main control chip U1, and 5 feet of adapter connect power supply electricity
Pressure VCC, 7 foot ground connection of adapter, 8 feet of adapter are connected with the positive pole of infrared emitting diode IR, 9 feet of adapter,
10 feet are connected with negative pole, the positive pole of light emitting diode D1 respectively.8 feet of adapter are connected with infrared emitting diode IR positive pole
For controlling the luminosity (sense away from) of IR.
Further, the node that 5 feet of described adapter are connected with supply voltage VCC is connected with battery BETTERY positive pole,
Battery BETTERY minus earth.
Further, singlechip emulator selects PICkit3 emulator, 1 foot of PICkit3 emulator and main control chip U1
4 feet connect, 2 feet of PICkit3 emulator meet voltage+3.3V, 3 foot ground connection of PICkit3 emulator, PICkit3 emulator
4 feet, 5 feet are connected with 7 feet, 6 feet of main control chip U1 respectively.
Further, described main control chip U1 uses PIC12F510 model.
Further, described voltage+3.3V and resistance R3 one end is connected, the resistance R3 other end and infrared receiver diode PT
Colelctor electrode connects, and infrared receiver diode PT grounded emitter, resistance R3 two ends are connected with electric capacity C14 two ends.
Further, described voltage+3.3V and resistance R9, electric capacity C6 are sequentially connected with, electric capacity C6 ground connection.This is disposed to filter
Ripple, EMI controls, and reduces electromagnetic interference.
Compared with prior art, this circuit have the beneficial effect that this infrared induction circuit can be monitored in time, by infrared
Line is launched and receives control, judges whether user opens the door or close the door；There is battery over-discharge protection, when voltage is less than 3.6V
Time, blood pressure lowering chip U2 is automatically stopped work.
Accompanying drawing explanation
Fig. 1 is the connection figure of infrared induction circuit.
Detailed description of the invention
Below by specific embodiment, technical scheme is further described explanation.
As it can be seen, a kind of infrared induction circuit, including reduction voltage circuit, main control chip U1, singlechip emulator, connection
Device, supply voltage VCC is connected respectively with reduction voltage circuit, adapter, main control chip U1, the drain electrode of field effect transistor Q1, reduction voltage circuit
Output voltage after blood pressure lowering receives pipe PT with singlechip emulator, adapter, main control chip U1, outside line and is connected respectively, connects
Device is connected with main control chip U1, and described main control chip U1 is connected with the grid of field effect transistor Q1, supply voltage VCC and field effect transistor
Being provided with a light emitting diode D1 between the drain electrode of Q1, described main control chip is provided with infrared emitting diode IR.
Reduction voltage circuit is supply voltage VCC and electric capacity C1 one end, the positive pole of electric capacity C2, input 3 foot of blood pressure lowering chip U2
Connect respectively, the electric capacity C1 other end, the minus earth of electric capacity C2；Outfan 2 foot of blood pressure lowering chip U2 is connected with electric capacity C3 one end,
Voltage+3.3V after outfan 2 foot of blood pressure lowering chip U2 the most also output buck；The electric capacity C3 other end, the public affairs of blood pressure lowering chip U2
Hold 1 foot ground connection altogether.
Positive voltage terminal 1 foot of main control chip U1 connects the earth terminal 8 foot ground connection of voltage+3.3V, main control chip U1, main control chip
7 feet of U1 are connected respectively with electric capacity C5 one end, resistance R6 one end, resistance R7 one end, and the electric capacity C5 other end, the resistance R6 other end divide
Other ground connection, 3 feet of resistance R7 another termination supply voltage VCC, main control chip U1 are connected with resistance R4 one end, the resistance R4 other end
Being connected with the base stage of audion Q2, the emitter stage of audion Q2, colelctor electrode are connected with voltage+3.3V, resistance R5 one end respectively, electricity
The resistance R5 other end is connected with infrared emitting diode IR positive pole, infrared emitting diode IR minus earth；Main control chip U1
2 feet be connected with resistance R2 one end, the resistance R2 other end is connected with field effect transistor Q1 grid, the grid of field effect transistor Q1 and source electrode
Between an external resistance R1, field effect transistor Q1 source ground, field effect transistor Q1 drain electrode be connected with the negative pole of light emitting diode D1,
The positive pole of optical diode D1 meets supply voltage VCC.
1 foot of voltage 3.3V and adapter, 2 feet, 3 feet are connected respectively, 4 feet of adapter and resistance R8 one end, resistance R8
Other end ground connection, 6 feet of adapter are connected with 5 feet of main control chip U1, and 5 feet of adapter meet supply voltage VCC, adapter
7 foot ground connection, 8 feet of adapter are connected with the positive pole of infrared emitting diode IR, 9 feet of adapter, 10 feet respectively with luminescence
The negative pole of diode D1 is connected with positive pole.8 feet of adapter and infrared emitting diode IR positive pole are connected to control IR's
Luminosity (sense away from).The node that 5 feet of adapter are connected with supply voltage VCC is connected with battery BETTERY positive pole,
Battery BETTERY minus earth.
Singlechip emulator selects PICkit3 emulator, 1 foot of PICkit3 emulator to connect with 4 feet of main control chip U1
Connecing, 2 feet of PICkit3 emulator meet voltage 3.3V, 3 foot ground connection of PICkit3 emulator, 4 feet of PICkit3 emulator, 5 feet
It is connected with 7 feet, 6 feet of main control chip U1 respectively.
Voltage 3.3V and resistance R3 one end is connected, and the resistance R3 other end is connected with infrared receiver diode PT colelctor electrode,
Infrared receiver diode PT grounded emitter, resistance R3 two ends are connected with electric capacity C14 two ends.
Voltage 3.3V and resistance R9, electric capacity C6 are sequentially connected with, electric capacity C6 ground connection.This is disposed to filtering, and EMI controls,
Reduce electromagnetic interference.
Main control chip U1 uses PIC12F510 model, and blood pressure lowering chip U2 uses MCP1703T-3302E/MB model, connects
Device contains the contact pin of 10 feet, and PICkit3 emulator contains the contact pin of 5 feet.
Electric capacity C1 size selects 1uf, electric capacity C2 to select polar capacitor 47uf, electric capacity C3 to select 1UF.Resistance R4 size is
1K, resistance R5 size is 39R (i.e. 39 ohm), and audion Q2 selects 8550 models, electric capacity C5 size select 0.UF, resistance R6,
Resistance R7 size is 1M.Resistance R8 selects Res3 1M.Resistance R3 size is 20K, and electric capacity C4 is 1UF, infrared receiver diode
PT uses NPN type triode.Resistance R9 size is 20K, and electric capacity C6 is 1UF.Field effect transistor Q1 selects APM2306 model, resistance R
Size is 100K, and resistance R2 size is 10K.
Main control chip U1 launches a frequency and is supplied to infrared emitting diode IR, receives when outside line receives pipe PT
During identical frequency, main control chip U1 is supplied to mono-signal supply field effect transistor Q1 of GP5 of 2 feet as opening the door and closing the door really
Recognize.This infrared induction circuit can be monitored in time, and Infrared emitting and receiving controls, and judges whether user opens the door or close
Door；By main control chip U1 Preset Time, when user opening time exceedes Preset Time, automatically power off, close the most again
Start；Having battery over-discharge protection, when voltage is less than 3.6V, blood pressure lowering chip U2 is automatically stopped work.
It is more than the preferred embodiment of the present invention, does not limit protection scope of the present invention, for people in the art
The deformation made according to the mentality of designing of the present invention of member and improvement, within all should being considered as protection scope of the present invention.
Claims (10)
1. an infrared induction circuit, it is characterised in that include reduction voltage circuit, main control chip U1, singlechip emulator, connection
Device, supply voltage VCC is connected respectively with reduction voltage circuit, adapter, main control chip U1, the drain electrode of field effect transistor Q1, reduction voltage circuit
Output voltage after blood pressure lowering receives pipe PT with singlechip emulator, adapter, main control chip U1, outside line and is connected respectively, connects
Device is connected with main control chip U1, and described main control chip U1 is connected with the grid of field effect transistor Q1, supply voltage VCC and field effect transistor
Being provided with a light emitting diode D1 between the drain electrode of Q1, described main control chip is provided with infrared emitting diode IR.
A kind of infrared induction circuit the most according to claim 1, it is characterised in that reduction voltage circuit is supply voltage VCC
It is connected respectively with electric capacity C1 one end, the positive pole of electric capacity C2, input 3 foot of blood pressure lowering chip U2, the electric capacity C1 other end, electric capacity C2
Minus earth；Outfan 2 foot of blood pressure lowering chip U2 is connected with electric capacity C3 one end, and outfan 2 foot of blood pressure lowering chip U2 is the most defeated
Go out the voltage+3.3V after blood pressure lowering；The electric capacity C3 other end, the common port 1 foot ground connection of blood pressure lowering chip U2.
A kind of infrared induction circuit the most according to claim 1, it is characterised in that the positive voltage terminal 1 of main control chip U1
Foot meets the earth terminal 8 foot ground connection of voltage+3.3V, main control chip U1,7 feet of main control chip U1 and electric capacity C5 one end, resistance R6 mono-
End, resistance R7 one end connect respectively, the electric capacity C5 other end, resistance R6 other end ground connection respectively, another termination power electricity of resistance R7
3 feet of pressure VCC, main control chip U1 are connected with resistance R4 one end, and the resistance R4 other end is connected with the base stage of audion Q2, audion
The emitter stage of Q2, colelctor electrode are connected with voltage+3.3V, resistance R5 one end respectively, the resistance R5 other end and infrared emitting two grades
Pipe IR positive pole connects, infrared emitting diode IR minus earth；2 feet of main control chip U1 are connected with resistance R2 one end, resistance
The R2 other end is connected with field effect transistor Q1 grid, an external resistance R1, field effect transistor between grid and the source electrode of field effect transistor Q1
Q1 source ground, the drain electrode of field effect transistor Q1 is connected with the negative pole of light emitting diode D1, and the positive pole of light emitting diode D1 connects power supply electricity
Pressure VCC.
A kind of infrared induction circuit the most according to claim 1, it is characterised in that described voltage+3.3V and adapter
1 foot, 2 feet, 3 feet connect respectively, 4 feet of adapter and resistance R8 one end, resistance R8 other end ground connection, 6 feet of adapter with
5 feet of main control chip U1 connect, and 5 feet of adapter meet supply voltage VCC, and 7 foot ground connection of adapter, 8 feet of adapter are with red
Outside line is launched the positive pole of diode IR and is connected, and 9 feet of adapter, 10 feet are connected with negative pole, the positive pole of light emitting diode D1 respectively.
A kind of infrared induction circuit the most according to claim 4, it is characterised in that 5 feet of described adapter and power supply
The node that voltage VCC connects is connected with battery BETTERY positive pole, battery BETTERY minus earth.
A kind of infrared induction circuit the most according to claim 1, it is characterised in that singlechip emulator is selected
PICkit3 emulator, 1 foot of PICkit3 emulator is connected with 4 feet of main control chip U1, and 2 feet of PICkit3 emulator connect electricity
3 foot ground connection of pressure+3.3V, PICkit3 emulator, 4 feet of PICkit3 emulator, 5 feet respectively with 7 feet of main control chip U1,6
Foot connects.
7. according to a kind of infrared induction circuit described in claim 1 or 3 or 4 or 6, it is characterised in that described main control chip
U1 uses PIC12F510 model.
A kind of infrared induction circuit the most according to claim 1, it is characterised in that described voltage+3.3V and resistance R3
One end connects, and the resistance R3 other end is connected with infrared receiver diode PT colelctor electrode, infrared receiver diode PT emitter stage
Ground connection, resistance R3 two ends are connected with electric capacity C14 two ends.
A kind of infrared induction circuit the most according to claim 1, it is characterised in that described voltage+3.3V and resistance R9,
Electric capacity C6 is sequentially connected with, electric capacity C6 ground connection.
A kind of infrared induction circuit the most according to claim 1, it is characterised in that described field effect transistor uses
Q1APM2306 model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798434.XA CN106230428A (en) | 2016-08-31 | 2016-08-31 | A kind of infrared induction circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798434.XA CN106230428A (en) | 2016-08-31 | 2016-08-31 | A kind of infrared induction circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106230428A true CN106230428A (en) | 2016-12-14 |
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ID=58075189
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610798434.XA Pending CN106230428A (en) | 2016-08-31 | 2016-08-31 | A kind of infrared induction circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809288A (en) * | 2018-06-14 | 2018-11-13 | 天津杰泰高科传感技术有限公司 | Superminiature is to penetrating optoelectronic switch |
| CN112953492A (en) * | 2021-03-31 | 2021-06-11 | 李建明 | Micropower-driven alternating-current power supply electronic switching circuit and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140062319A1 (en) * | 2012-09-03 | 2014-03-06 | Beyond Innovation Technology Co., Ltd. | Light-emitting diode driving apparatus |
| US9035572B1 (en) * | 2012-02-07 | 2015-05-19 | Dolan Designs Incorporated | Combined lighting device with an integrated dimming control system |
| CN205139398U (en) * | 2015-10-16 | 2016-04-06 | 杭州电子科技大学 | Thing quality control surveys circuit in intelligence cabinet |
| CN205283914U (en) * | 2016-01-07 | 2016-06-01 | 郭有富 | Full load high stable hangs down pressure drop two -wire system infrared sensor switch |
-
2016
- 2016-08-31 CN CN201610798434.XA patent/CN106230428A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9035572B1 (en) * | 2012-02-07 | 2015-05-19 | Dolan Designs Incorporated | Combined lighting device with an integrated dimming control system |
| US20140062319A1 (en) * | 2012-09-03 | 2014-03-06 | Beyond Innovation Technology Co., Ltd. | Light-emitting diode driving apparatus |
| CN205139398U (en) * | 2015-10-16 | 2016-04-06 | 杭州电子科技大学 | Thing quality control surveys circuit in intelligence cabinet |
| CN205283914U (en) * | 2016-01-07 | 2016-06-01 | 郭有富 | Full load high stable hangs down pressure drop two -wire system infrared sensor switch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809288A (en) * | 2018-06-14 | 2018-11-13 | 天津杰泰高科传感技术有限公司 | Superminiature is to penetrating optoelectronic switch |
| CN112953492A (en) * | 2021-03-31 | 2021-06-11 | 李建明 | Micropower-driven alternating-current power supply electronic switching circuit and device |
| CN112953492B (en) * | 2021-03-31 | 2022-06-24 | 李建明 | Micropower-driven alternating-current power supply electronic switching circuit and device |
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