CN205993007U - A kind of infrared induction circuit - Google Patents
A kind of infrared induction circuit Download PDFInfo
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- CN205993007U CN205993007U CN201621033188.0U CN201621033188U CN205993007U CN 205993007 U CN205993007 U CN 205993007U CN 201621033188 U CN201621033188 U CN 201621033188U CN 205993007 U CN205993007 U CN 205993007U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
A kind of infrared induction circuit, including human body pyroelectricity infrared sensor PIR, blood pressure lowering chip IC 1, switch chip IC3, single-chip microcomputer IC1, supply voltage VCC is connected respectively with the input of blood pressure lowering chip IC 1, switch chip IC3, the outfan of blood pressure lowering chip IC 1 is connected with human body pyroelectricity infrared sensor PIR, single-chip microcomputer IC2, and described switch chip IC3 connects LED.Beneficial effect is：The sensing that this infrared induction circuit is used on light fixture controls, and human body infrared sensing can be relied on to realize automatically turning on or closing of lamp, whole circuit configures Nover practical, strong interference immunity, low cost of manufacture, stable performance, has wide range of applications.
Description
Technical field
This utility model belongs to electronic circuit field and in particular to a kind of infrared induction circuit on lamp lighting.
Background technology
In Working Life, for improving a convenience of the public place such as corridor or interior, in the position of dark,
It is frequently necessary to use automatic sensing lamp to provide illumination.Human body has constant body temperature, typically at 37 degree, so can send specific
Wavelength 10UM about infrared ray, passive type infrared probe be exactly by detect human body radiation (8～14 μm) left and right wavelength infrared
Line and be operated.But there is problems with current infrared induction circuit electric light：Circuit after conducting is affected relatively by clutter
Greatly, can make bright light or close lamp reaction slow so that lamplight brightness is unstable or hiss, affect whole circuit or
The service life of lamp, is unfavorable for the demand of long-range energy-conserving and environment-protective and sustainable development.
Content of the invention
The purpose of this utility model is inadequate in order to solve the problems, such as current circuit anti-clutter interference performance, provides a kind of red
Outside line induction line.
In order to reach above-mentioned utility model purpose, this utility model employs the following technical solutions：
A kind of infrared induction circuit, including human body pyroelectricity infrared sensor PIR, blood pressure lowering chip IC 1, switch chip
IC3, single-chip microcomputer IC1, supply voltage VCC is connected respectively with the input of blood pressure lowering chip IC 1, switch chip IC3, blood pressure lowering chip
The outfan of IC1 is connected with human body pyroelectricity infrared sensor PIR, single-chip microcomputer IC2, and described switch chip IC3 connects LED.
Supply voltage VCC powers for human body pyroelectricity infrared sensor PIR, single-chip microcomputer IC2 after blood pressure lowering chip IC 1 blood pressure lowering, Studies of Human Body Heat
Release the pulse signal transmission that infrared induction arrives by electric infrared sensor PIR to single-chip microcomputer IC2, control signal is passed by single-chip microcomputer IC2
It is defeated by switch chip IC3, LED is opened and closed by switch chip IC3.
Further, 1 foot of human body pyroelectricity infrared sensor PIR and resistance R3 one end, electric capacity C4 one end, electric capacity C3 one end
Connect respectively, 2 feet of human body pyroelectricity infrared sensor PIR, resistance R8, the 14th foot of single-chip microcomputer IC1 are sequentially connected, resistance
Node between R10, electric capacity C8, the electric capacity C4 other end, electric capacity C3 other end ground connection, the resistance R3 other end, the of single-chip microcomputer IC2
11 feet, resistance R1 one end, resistance R2 one end, the 1st foot of single-chip microcomputer IC2 are connected with outfan 5 foot of blood pressure lowering chip IC 1 respectively,
The earth terminal 2 foot ground connection of blood pressure lowering chip IC 1, input 1 foot of blood pressure lowering chip IC 1 meets supply voltage VCC；Another termination of resistance R1
9 feet of single-chip microcomputer IC2, the resistance R2 other end connects 8 feet of single-chip microcomputer IC2；An external electricity between 12 feet of single-chip microcomputer IC2 and 13 feet
Resistance R6, resistance R6 two ends are connected with electric capacity C5 two ends respectively, and the node between resistance R6, electric capacity C5 is connected with resistance R5 one end,
The resistance R5 other end is connected with electric capacity C6 one end；An external resistance R9, resistance R9 two ends between 15 feet of single-chip microcomputer IC2 and 16 feet
It is connected with electric capacity C7 two ends respectively, between resistance R9, electric capacity C7 a node is connected with the electric capacity C6 other end, resistance R9, electricity
Another node between appearance C7, resistance R12, resistance NTS, electric capacity C10 are grounded after being sequentially connected；7 feet of single-chip microcomputer IC2 connect
Ground, the node being connected with 5 feet of single-chip microcomputer IC2 after the 6 foot connecting resistance R4 of single-chip microcomputer IC2 connects electric capacity C12 one end, and electric capacity C12 is another
One end is grounded；The node being connected with 4 feet of single-chip microcomputer IC2 after the 3 foot connecting resistance R7 of single-chip microcomputer IC2 connects electric capacity C11 one end, electric capacity
The C11 other end is grounded；An external mid-point voltage VC between the resistance R1 other end and 9 feet of single-chip microcomputer IC2；2 feet of single-chip microcomputer IC2
Output control level signal Vout.
Further, external resistance R10 in parallel, electric capacity between 2 feet of human body pyroelectricity infrared sensor PIR and 3 feet
C8.This setting, in order to reduce the impedance to high-frequency signal, is conducive to the signal rate of climb to accelerate, for improving response speed.
Further, the outfan foot 5 of described blood pressure lowering chip IC 1 and earth terminal foot 2 directly external electric capacity C1 in parallel, electricity
Hold C2, for improving stability and the filtering clutter of supply voltage, improve the anti-interference of blood pressure lowering chip IC 1.
Further, described electric capacity C10 two ends are provided with an electric capacity C9.
Further, draw a test lead TP1 between described resistance R1 and the 9th foot of single-chip microcomputer IC1, single-chip microcomputer IC1's
Draw test lead TP2 between 3rd foot and resistance R7, between resistance R7 and electric capacity 11, draw test lead TP3.
Further, described mid-point voltage VC is connected with the colelctor electrode of audion Q1, the positive pole of battery BT1 and supply voltage
VCC, electric capacity C15 one end, electric capacity C14 one end, resistance R13 one end, resistance R17 one end connect respectively, the electric capacity C15 other end, electricity
Hold after the node that both C14 other ends connect is connected with the negative pole of battery BT1 and be grounded, the resistance R13 other end and resistance R14 mono-
End, electric capacity C20 one end, the base stage of audion Q2 connect respectively, and audion Q1 base stage is connected with the colelctor electrode of audion Q2, resistance
The R17 other end is connected with the base stage of audion Q1, the resistance R14 other end, the electric capacity C20 other end, the emitter stage of audion Q1, three
The emitter stage of pole pipe Q2 is all grounded.This circuit, through the current limliting of blood pressure lowering chip IC 1, through Given current controller, keeps the steady of LED
Determine electric current output.
Further, resistance R17 two ends are provided with the overdischarge stand-by protection circuit of a battery BT1, and this circuit includes resistance
R16, resistance R15, electric capacity C13, audion Q3, resistance R16 one end is connected with resistance R17 one end, the resistance R16 other end and resistance
R15 one end, the colelctor electrode of audion Q3 connect respectively, and electric capacity C13 is serially connected between base stage and the emitter stage of audion Q3, three poles
The grounded emitter of pipe Q3, resistance R15 is another to terminate at electric capacity C20, on the connecting line of resistance R14.Battery over-discharge is risen standby
With protection.
The circuit block that audion Q1, audion Q2, audion Q3 are formed is overdischarge voltage protection and booster circuit, protection
Battery will not because of electric discharge by cell damage it is ensured that will not because of cell voltage be less than blood pressure lowering chip IC 1 running voltage and
Cannot work.
Further, supply voltage VCC is connected respectively with voltage input end 4 foot of electric capacity C18 one end, switch chip IC3, electricity
Hold C18 other end ground connection；Control level signal Vout and resistance R19, Enable Pin 1 foot of switch chip IC3 are sequentially connected, switch
End of convert 3 foot of chip IC 3 is connected with inductance L1 one end, feedback end 5 foot of switch chip IC3 and resistance R21 one end, electric capacity
C16 one end, resistance R20 one end connect respectively, the inductance L1 other end, the resistance R21 other end, the electric capacity C16 other end all with resistance
R22 one end connects, another termination capacitor C17 of resistance R22 one end, LED positive pole, and the resistance R20 other end is with LED negative pole even
Connect；The electric capacity C18 other end, the electric capacity C17 other end, the resistance R20 other end, the node of both LED negative poles connection, switch chip
Earth terminal 2 foot of IC3 is grounded respectively.
Further, described electric capacity C17 two ends are connected with electric capacity C19 two ends.Electric capacity C19 is for default test point.
After this infrared induction circuit is sensed by PIR (using PIR control chip IC), (refer to VC and VCC through Given current controller
Between circuit through blood pressure lowering chip IC 1 current limliting), keep LED stabling current output；Increase voltage range in this voltage input end
Control (i.e. blood pressure lowering chip IC 1), minimum voltage can using 3.6V ceiling voltage 6.4V wide-voltage range (refer to audion Q1, three
The circuit block that pole pipe Q2, audion Q3 are formed)；Increasing during design prevents anti-jamming circuit, and whole circuit can bear EMC low frequency
The disturbed test of loop aerial, strong antijamming capability, reduces electric field clutter and to the interference of circuit and improves the reaction that LED opens and closes
Effect.
Compared with prior art, beneficial effect is this utility model：This infrared induction circuit is used for the sensing on light fixture
Control, human body infrared sensing can be relied on to realize automatically turning on or closing of lamp, whole circuit configures Nover practical, anti-interference
By force, low cost of manufacture, stable performance, have wide range of applications.
Brief description
Fig. 1 is this infrared induction circuit diagram.
Specific embodiment
Below by specific embodiment, explanation is further described to the technical solution of the utility model.
As illustrated, a kind of infrared induction circuit, including human body pyroelectricity infrared sensor PIR, blood pressure lowering chip IC 1,
Switch chip IC3, single-chip microcomputer IC1, supply voltage VCC is connected respectively with the input of blood pressure lowering chip IC 1, switch chip IC3, fall
The outfan of pressure chip IC 1 is connected with human body pyroelectricity infrared sensor PIR, single-chip microcomputer IC2, and described switch chip IC3 connects
LED.Supply voltage VCC powers for human body pyroelectricity infrared sensor PIR, single-chip microcomputer IC2 after blood pressure lowering chip IC 1 blood pressure lowering,
To single-chip microcomputer IC2, single-chip microcomputer IC2 will control the pulse signal transmission that infrared induction is arrived by human body pyroelectricity infrared sensor PIR
Signal transmission, to switch chip IC3, opens and closes LED by switch chip IC3.The outfan foot 5 of blood pressure lowering chip IC 1 with
Earth terminal foot 2 directly external electric capacity C1, electric capacity C2 in parallel, for improving stability and the filtering clutter of supply voltage, improves
The anti-interference of blood pressure lowering chip IC 1.Single-chip microcomputer IC2 selects BIS0001 model, and blood pressure lowering chip IC 1 selects 7133 models, switch core
Piece IC3 selects 2804 models, and electric capacity C1, electric capacity C2 size select 10UF (0603), 104P respectively.
1 foot of human body pyroelectricity infrared sensor PIR is connected respectively with resistance R3 one end, electric capacity C4 one end, electric capacity C3 one end
Connect, 2 feet of human body pyroelectricity infrared sensor PIR, resistance R8, the 14th foot of single-chip microcomputer IC2 are sequentially connected, resistance R10, electric capacity
Node between C8, the electric capacity C4 other end, electric capacity C3 other end ground connection, the resistance R3 other end, the 11st foot of single-chip microcomputer IC2, electricity
Resistance R1 one end, resistance R2 one end, the 1st foot of single-chip microcomputer IC2 are connected with outfan 5 foot of blood pressure lowering chip IC 1 respectively, blood pressure lowering core
The earth terminal 2 foot ground connection of piece IC1, input 1 foot of blood pressure lowering chip IC 1 meets supply voltage VCC；The resistance R1 other end connects single-chip microcomputer
9 feet of IC2, the resistance R2 other end connects 8 feet of single-chip microcomputer IC2；An external resistance R6 between 12 feet of single-chip microcomputer IC2 and 13 feet,
Resistance R6 two ends are connected with electric capacity C5 two ends respectively, and the node between resistance R6, electric capacity C5 is connected with resistance R5 one end, resistance R5
The other end is connected with electric capacity C6 one end；An external resistance R9 between 15 feet of single-chip microcomputer IC2 and 16 feet, resistance R9 two ends respectively with
Electric capacity C7 two ends connect, and between resistance R9, electric capacity C7 a node is connected with the electric capacity C6 other end, resistance R9, electric capacity C7 it
Between another node, resistance R12, resistance NTS, electric capacity C10 be sequentially connected after ground connection；The 7 foot ground connection of single-chip microcomputer IC2, monolithic
The node being connected with 5 feet of single-chip microcomputer IC2 after the 6 foot connecting resistance R4 of machine IC2 connects electric capacity C12 one end, another termination of electric capacity C12
Ground；The node being connected with 4 feet of single-chip microcomputer IC2 after the 3 foot connecting resistance R7 of single-chip microcomputer IC2 connects electric capacity C11 one end, and electric capacity C11 is another
One end is grounded；An external mid-point voltage VC between the resistance R1 other end and 9 feet of single-chip microcomputer IC2；The 2 foot outputs of single-chip microcomputer IC2
Control level signal Vout.Electric capacity C10 two ends can arrange the electric capacity C9 of a debugging, for the strong and weak control of sensing.Human body
External resistance R10 in parallel, electric capacity C8 between 2 feet of pyroelectric infrared sensor PIR and 3 feet.
A test lead TP1, the 3rd foot of single-chip microcomputer IC1 and resistance R7 is drawn between resistance R1 and the 9th foot of single-chip microcomputer IC1
Between draw test lead TP2, between resistance R7 and electric capacity 11 draw test lead TP3.
Described mid-point voltage VC is connected with the colelctor electrode of audion Q1, the positive pole of battery BT1 and supply voltage VCC, electric capacity
C15 one end, electric capacity C14 one end, resistance R13 one end, resistance R17 one end connect respectively, and the electric capacity C15 other end, electric capacity C14 are another
Ground connection after holding the node that both connect to be connected with the negative pole of battery BT1, the resistance R13 other end and resistance R14 one end, electric capacity C20
One end, the base stage of audion Q2 connect respectively, and audion Q1 base stage is connected with the colelctor electrode of audion Q2, the resistance R17 other end
It is connected with the base stage of audion Q1, the resistance R14 other end, the electric capacity C20 other end, the emitter stage of audion Q1, audion Q2
Emitter stage is all grounded.
Resistance R17 two ends are provided with the overdischarge stand-by protection circuit of a battery BT1, and this circuit includes resistance R16, resistance
R15, electric capacity C13, audion Q3, resistance R16 one end is connected with resistance R17 one end, the resistance R16 other end and resistance R15 one end,
The colelctor electrode of audion Q3 connects respectively, and electric capacity C13 is serially connected between base stage and the emitter stage of audion Q3, and audion Q3 sends out
Emitter grounding, resistance R15 is another to terminate at electric capacity C20, on the connecting line of resistance R14.
The circuit block that audion Q1, audion Q2, audion Q3 are formed is overdischarge voltage protection and booster circuit, protection
Battery will not because of electric discharge by cell damage it is ensured that will not because of cell voltage be less than blood pressure lowering chip IC 1 running voltage and
Cannot work.
Supply voltage VCC is connected respectively with voltage input end 4 foot of electric capacity C18 one end, switch chip IC3, and electric capacity C18 is another
One end is grounded；Control level signal Vout and resistance R19, Enable Pin 1 foot of switch chip IC3 are sequentially connected, switch chip IC3
End of convert 3 foot be connected with inductance L1 one end, feedback end 5 foot of switch chip IC3 and resistance R21 one end, electric capacity C16 one end,
Resistance R20 one end connects respectively, and the inductance L1 other end, the resistance R21 other end, the electric capacity C16 other end are all with resistance R22 one end even
Connect, another termination capacitor C17 of resistance R22 one end, LED positive pole, the resistance R20 other end is connected with LED negative pole；Electric capacity C18
The other end, the electric capacity C17 other end, the resistance R20 other end, the node of both LED negative poles connection, the ground connection of switch chip IC3
2 feet are held to be grounded respectively.Electric capacity C17 two ends are connected with electric capacity C19 two ends.
Electric capacity C8 size is 103P, and resistance R10 size is 47K, and resistance R11 selects 1M, and electric capacity C6, electric capacity C10 select
10UF (0603) model, resistance R12 size is 45K F, and resistance NTS is 4.7KF (0603), and resistance R1, resistance R2 size are divided
Not Wei 510K, 180K, resistance R4, resistance R7 size be respectively 510K, 2.2M, electric capacity C6, electric capacity C10 size be 104P, 10UF
(0603), electric capacity C17, electric capacity C14, electric capacity C18 size are 10UF (0603), and electric capacity C16 size is 20P, and resistance R20 is
100K, inductance L1 size is 4.7UH, and electric capacity C15 size is 104P, and audion Q1, audion Q2 select 2SC1815 model.
It is preferred implementation of the present utility model above, do not limit protection domain of the present utility model, for ability
Deformation and improvement that field technique personnel make according to mentality of designing of the present utility model, all should be considered as protection of the present utility model
Within the scope of.
Claims (10)
1. a kind of infrared induction circuit it is characterised in that include human body pyroelectricity infrared sensor PIR, blood pressure lowering chip IC 1,
Switch chip IC3, single-chip microcomputer IC1, supply voltage VCC is connected respectively with the input of blood pressure lowering chip IC 1, switch chip IC3, fall
The outfan of pressure chip IC 1 is connected with human body pyroelectricity infrared sensor PIR, single-chip microcomputer IC2, and described switch chip IC3 connects
LED.
2. a kind of infrared induction circuit according to claim 1 is it is characterised in that human body pyroelectricity infrared sensor
1 foot of PIR is connected respectively with resistance R3 one end, electric capacity C4 one end, electric capacity C3 one end, and the 2 of human body pyroelectricity infrared sensor PIR
Foot, resistance R8, the 14th foot of single-chip microcomputer IC1 are sequentially connected, the node between resistance R10, electric capacity C8, the electric capacity C4 other end, electricity
Hold C3 other end ground connection, the resistance R3 other end, the 11st foot of single-chip microcomputer IC2, resistance R1 one end, resistance R2 one end, single-chip microcomputer IC2
The 1st foot be connected with outfan 5 foot of blood pressure lowering chip IC 1 respectively, earth terminal 2 foot of blood pressure lowering chip IC 1 ground connection, blood pressure lowering chip
Input 1 foot of IC1 meets supply voltage VCC；The resistance R1 other end connects 9 feet of single-chip microcomputer IC2, and the resistance R2 other end connects single-chip microcomputer
8 feet of IC2；An external resistance R6 between 12 feet of single-chip microcomputer IC2 and 13 feet, resistance R6 two ends are respectively with electric capacity C5 two ends even
Connect, the node between resistance R6, electric capacity C5 is connected with resistance R5 one end, the resistance R5 other end is connected with electric capacity C6 one end；Monolithic
An external resistance R9 between 15 feet of machine IC2 and 16 feet, resistance R9 two ends are connected with electric capacity C7 two ends respectively, resistance R9, electric capacity
A node between C7 is connected with the electric capacity C6 other end, another node between resistance R9, electric capacity C7, resistance R12, resistance
NTS, electric capacity C10 are grounded after being sequentially connected；The 7 foot ground connection of single-chip microcomputer IC2, with single-chip microcomputer after the 6 foot connecting resistance R4 of single-chip microcomputer IC2
The node that 5 feet of IC2 connect connects electric capacity C12 one end, and the electric capacity C12 other end is grounded；After the 3 foot connecting resistance R7 of single-chip microcomputer IC2 with
The node that 4 feet of single-chip microcomputer IC2 connect connects electric capacity C11 one end, and the electric capacity C11 other end is grounded；The resistance R1 other end and single-chip microcomputer
An external mid-point voltage VC between 9 feet of IC2；2 foot output control level signals Vout of single-chip microcomputer IC2.
3. a kind of infrared induction circuit according to claim 1 and 2 is it is characterised in that human body pyroelectricity infrared sensing
External resistance R10 in parallel, electric capacity C8 between 2 feet of device PIR and 3 feet.
4. a kind of infrared induction circuit according to claim 1 and 2 it is characterised in that described blood pressure lowering chip IC 1 defeated
Go out to hold foot 5 and earth terminal foot 2 directly external electric capacity C1 in parallel, electric capacity C2.
5. a kind of infrared induction circuit according to claim 2 is it is characterised in that described electric capacity C10 two ends are provided with one
Electric capacity C9.
6. a kind of infrared induction circuit according to claim 2 is it is characterised in that described mid-point voltage VC and audion
Colelctor electrode connection, the positive pole of battery BT1 and supply voltage VCC, electric capacity C15 one end, electric capacity C14 one end, the resistance R13 mono- of Q1
End, resistance R17 one end connect respectively, and the electric capacity C15 other end, the node of both electric capacity C14 other ends connection and battery BT1's is negative
Pole is grounded after connecting, and the resistance R13 other end is connected respectively with the base stage of resistance R14 one end, electric capacity C20 one end, audion Q2, and three
Pole pipe Q1 base stage is connected with the colelctor electrode of audion Q2, and the resistance R17 other end is connected with the base stage of audion Q1, and resistance R14 is another
One end, the electric capacity C20 other end, the emitter stage of audion Q1, the emitter stage of audion Q2 are all grounded.
7. a kind of infrared induction circuit according to claim 6 is it is characterised in that resistance R17 two ends are provided with a battery
The overdischarge stand-by protection circuit of BT1, this circuit includes resistance R16, resistance R15, electric capacity C13, audion Q3, resistance R16 mono-
End is connected with resistance R17 one end, and the resistance R16 other end is connected respectively with the colelctor electrode of resistance R15 one end, audion Q3, electric capacity
C13 is serially connected between base stage and the emitter stage of audion Q3, the grounded emitter of audion Q3, and resistance R15 is another to terminate at electricity
On appearance C20, the connecting line of resistance R14.
8. a kind of infrared induction circuit according to claim 2 is it is characterised in that described resistance R1 and single-chip microcomputer IC1
The 9th foot between draw a test lead TP1, between the 3rd foot of single-chip microcomputer IC1 and resistance R7 draw test lead TP2, resistance R7 with
Test lead TP3 is drawn between electric capacity 11.
9. a kind of infrared induction circuit according to claim 2 is it is characterised in that supply voltage VCC and electric capacity C18 mono-
End, voltage input end 4 foot of switch chip IC3 connect respectively, and the electric capacity C18 other end is grounded；Control level signal Vout and electricity
Resistance R19, Enable Pin 1 foot of switch chip IC3 are sequentially connected, and end of convert 3 foot of switch chip IC3 is connected with inductance L1 one end,
Feedback end 5 foot of switch chip IC3 is connected respectively with resistance R21 one end, electric capacity C16 one end, resistance R20 one end, and inductance L1 is another
One end, the resistance R21 other end, the electric capacity C16 other end are all connected with resistance R22 one end, another termination capacitor C17 of resistance R22 mono-
End, LED positive pole, the resistance R20 other end is connected with LED negative pole；The electric capacity C18 other end, the electric capacity C17 other end, resistance R20
The node that the other end, both LED negative poles connect, earth terminal 2 foot of switch chip IC3 are grounded respectively.
10. a kind of infrared induction circuit according to claim 9 is it is characterised in that described electric capacity C17 two ends and electric capacity
C19 two ends connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621033188.0U CN205993007U (en) | 2016-08-31 | 2016-08-31 | A kind of infrared induction circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621033188.0U CN205993007U (en) | 2016-08-31 | 2016-08-31 | A kind of infrared induction circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205993007U true CN205993007U (en) | 2017-03-01 |
Family
ID=58105541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621033188.0U Withdrawn - After Issue CN205993007U (en) | 2016-08-31 | 2016-08-31 | A kind of infrared induction circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205993007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231733A (en) * | 2016-08-31 | 2016-12-14 | 浙江宙辉电器有限公司 | A kind of infrared induction circuit |
-
2016
- 2016-08-31 CN CN201621033188.0U patent/CN205993007U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231733A (en) * | 2016-08-31 | 2016-12-14 | 浙江宙辉电器有限公司 | A kind of infrared induction circuit |
| CN106231733B (en) * | 2016-08-31 | 2018-07-31 | 浙江宙辉电器有限公司 | A kind of infrared induction circuit |
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