CN206181435U - Touch light modulation control circuit based on overcurrent protection - Google Patents
Touch light modulation control circuit based on overcurrent protection Download PDFInfo
- Publication number
- CN206181435U CN206181435U CN201621111418.0U CN201621111418U CN206181435U CN 206181435 U CN206181435 U CN 206181435U CN 201621111418 U CN201621111418 U CN 201621111418U CN 206181435 U CN206181435 U CN 206181435U
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- CN
- China
- Prior art keywords
- resistance
- poles
- electric capacity
- control chip
- audion
- 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.)
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Classifications
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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
The utility model discloses a touch light modulation control circuit based on overcurrent protection, its characterized in that, mainly by control chip U, bidirectional thyristor D4, touch piece M, triode VT1, triode VT2, SP pin with control chip U behind the cathode by the resistance R3 be connected, anodal with touch the constitutions such as electric capacity C1 that piece M is connected. The utility model discloses can change the luminance of light through touch piece, can transfer the luminance of light secretly when in morning, then can transfer the luminance of light bright at night to satisfy the demand of people under different occasions, simultaneously the utility model discloses still have the overcurrent protection function, appear undulantly and when leading to arrival current too big, can shunt the heavy current when the electric wire netting, thus the protection the utility model discloses an electronic component is not damaged.
Description
Technical field
This utility model is related to a kind of control circuit, specifically refers to a kind of touch brightness adjustment control electricity based on overcurrent protection
Road.
Background technology
Electric consumption on lighting consumption now accounts for the 20% of whole power consumption, reduces the important way that electric consumption on lighting is save energy
Footpath, is to realize this target, and development and application is more efficient, reliability, safe, durable new type light source are imperative.LED is high because of it
The advantages of brightness, low in calories, long-life, nontoxic, recyclable recycling, 21 century of being known as most promising green is shone
Mingguang City source, has been widely used at present people's life central with production.However, bright in the light required for different occasion people
Degree is different.Such as morning, light can be slightly dark, so can also saves energy while people's normal activity is ensured.When
LED then needs enough brightness to ensure the normal activity of people when at night.How people are met in different occasions to light
The different demands of brightness are urgent problems.
Utility model content
The purpose of this utility model is the different demands for how meeting people in different occasions to lamplight brightness, there is provided one
Plant based on the touch adjusting control circuit of overcurrent protection.
The purpose of this utility model is achieved through the following technical solutions：A kind of touch brightness adjustment control based on overcurrent protection
Circuit, it is characterised in that main by control chip U, bidirectional thyristor D4, touch sheet M, audion VT1, audion VT2, negative pole
Be connected with the SP pins of control chip U Jing after resistance R3, the electric capacity C1 that positive pole is connected with touch sheet M, P poles and electric capacity C1's
Negative pole is connected, the diode D2 that N poles are connected Jing after resistance R5 with the VSS pins of control chip U, and N poles are negative with electric capacity C1
Pole is connected, the diode D1 that P poles are connected with the N poles of diode D2, and positive pole is connected, bears with the TGO pins of control chip U
The second plate of the electric capacity C4 that pole is connected Jing after resistance R8 with the control end of bidirectional thyristor D4, N poles and bidirectional thyristor D4
Be connected, the diode D5 that P poles are connected with the N poles of diode D2, negative pole is connected with the OSC pins of control chip U, positive pole
The electric capacity C2 being connected with the VDD pins of control chip U Jing after resistance R4, the resistance R2 being in parallel with electric capacity C2, positive pole and electricity
The positive pole of appearance C2 is connected, the electric capacity C3 that negative pole is connected with the CI pins of control chip U, the resistance being in parallel with electric capacity C3
R1, N pole is connected with 50/60 pin of control chip U, P poles are connected Jing after resistance R7 with the SYN pins of control chip U
Diode D3, one end is connected with the P poles of diode D3, the other end Jing after illuminating lamp H with the first anode of bidirectional thyristor D4
The resistance R6 being connected, the resistance R9 being serially connected between the base stage of audion VT1 and the P poles of diode D5, one end and audion
The resistance R10 that the base stage of VT1 is connected, the other end is connected Jing after resistance R11 with the colelctor electrode of audion VT2, and concatenation
Resistance R12 compositions between the base stage and emitter stage of audion VT2；The N poles of the diode D3 and the positive pole phase of electric capacity C2
Connection；The colelctor electrode of the audion VT1 is connected with the junction point of resistance R6 and illuminating lamp H, its emitter stage and audion VT2
Base stage be connected；The emitter stage of the audion VT2 is collectively forming input with the P poles of diode D5.
The control chip U is PT2102 integrated chips.
This utility model compared with the prior art, with advantages below and beneficial effect：
This utility model can change the brightness of illuminating lamp by touching touch sheet, can be by illuminating lamp when in the morning
Brightness dim, then the brightness of illuminating lamp can be lightened at night, so as to meet demand of the people under different occasions；Simultaneously
This utility model also has overcurrent protection function, when there is fluctuation and causes input current excessive in electrical network, can be to high current
Shunted, so as to protect electronic component of the present utility model to be not damaged by.
Description of the drawings
Fig. 1 is integrated circuit structure chart of the present utility model.
Specific embodiment
This utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is simultaneously
Not limited to this.
Embodiment
As shown in figure 1, this utility model is mainly by control chip U, and bidirectional thyristor D4, touch sheet M, audion VT1, two
Pole pipe VT2, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance
R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, diode D1, diode D2, diode D3, two
Pole pipe D5 and illuminating lamp H.
During connection, the negative pole of electric capacity C1 is connected Jing after resistance R3 with the SP pins of control chip U, positive pole and touch sheet M
It is connected.The P poles of diode D2 are connected with the negative pole of electric capacity C1, N poles Jing after resistance R5 with the VSS pin phases of control chip U
Connection.The N poles of diode D1 are connected with the negative pole of electric capacity C1, and P poles are connected with the N poles of diode D2.The positive pole of electric capacity C4
It is connected with the TGO pins of control chip U, negative pole is connected Jing after resistance R8 with the control end of bidirectional thyristor D4.Diode
The N poles of D5 are connected with the second plate of bidirectional thyristor D4, and P poles are connected with the N poles of diode D2.The negative pole of electric capacity C2 with
The OSC pins of control chip U are connected, and positive pole is connected Jing after resistance R4 with the VDD pins of control chip U.Resistance R2 and electricity
Hold C2 to be in parallel.The positive pole of electric capacity C3 is connected with the positive pole of electric capacity C2, and negative pole is connected with the CI pins of control chip U.
Meanwhile, resistance R1 is in parallel with electric capacity C3.The N poles of diode D3 are connected with 50/60 pin of control chip U, P
Pole is connected Jing after resistance R7 with the SYN pins of control chip U.One end of resistance R6 is connected with the P poles of diode D3, another
End is connected Jing after illuminating lamp H with the first anode of bidirectional thyristor D4.Resistance R9 is serially connected in the base stage of audion VT1 and two poles
Between the P poles of pipe D5.One end of resistance R10 and the base stage of audion VT1, the other end Jing after resistance R11 with the collection of audion VT2
Between electrode.Resistance R12 is then serially connected between the base stage of audion VT2 and emitter stage.The N poles of the diode D3 and electric capacity C2
Positive pole be connected.The colelctor electrode of the audion VT1 is connected with the junction point of resistance R6 and illuminating lamp H, its emitter stage with
The base stage of audion VT2 is connected.The emitter stage of the audion VT2 is collectively forming input and connects with the P poles of diode D5
Civil power.
Electric capacity C1, resistance R3, diode D1 and diode D2 are collectively forming protection circuit, and the protection circuit can be every
Ionization voltage, so as to protect the safety of user.Electric capacity C1 is isolation capacitance C1, and its capacitance is 1000PF.Diode D1 and
Diode D2 is 1N4148 type switching diodes, and the resistance of resistance R3 is 470 Ω.
Control chip U, resistance R4, electric capacity C3 and resistance R1 are then collectively forming fourth gear stepping and touch light adjusting circuit.When tactile
The fourth gear stepping can be made when touching touch sheet M to touch the trigger pulse that light adjusting circuit exports varying strength.Control chip U is
PT2102 integrated chips, the resistance of resistance R4 is 22K Ω, and the resistance of resistance R1 is 2M, and the capacitance of electric capacity C3 is then 10 μ F.
Electric capacity C4, resistance R8 and bidirectional thyristor D4 are then collectively forming on-off circuit, and the on-off circuit is according to control
The pulse strength of chip U outputs is adjusting its angle of flow.Model BT136 of bidirectional thyristor D4, the resistance of resistance R8 is
The capacitance of 150 Ω, electric capacity C4 is 0.03 μ F.
Audion VT1, audion VT2, resistance R9, resistance R10, resistance R11 and resistance R12 collectively constitute excessively stream guarantor
Protection circuit；When electric current is normal, audion VT2 is not turned on, and audion VT1 is turned on and powered to subsequent conditioning circuit；When there is overcurrent
When, the pressure drop on resistance R12 becomes big, turns on audion VT2, and electric current is shunted by resistance R10 and resistance R11, so that
Current reduction, plays overcurrent protection.Audion VT1 is TIP122 type audions, and audion VT2 is then the pole of 9013 type three
Pipe, the resistance of resistance R9 is 3.3K Ω, and the resistance of resistance R12 is 1M Ω for the resistance of 10K Ω, resistance R10 and resistance R11.
The resistance of resistance R2 is 10K Ω, and the resistance of resistance R6 is 39K Ω, and the resistance of resistance R7 is 5K Ω, the resistance of resistance R5
Value is then 15K Ω.The capacitance of electric capacity C2 is 1N4001 for the model of 0.1 μ F, diode D3 and diode D5.Touch sheet M
For the good sheet metal of electric conductivity.
During power on circuitry, civil power Jing resistance R6 blood pressure lowerings obtain 9V DC supply inputs to control chip after diode D3 rectifications
U.Touch sheet M is touched due to unmanned, the TGO pins of control chip U are exported without trigger pulse, and bidirectional thyristor D4 is in cut-off shape
State, illuminating lamp H does not work.
When human body touch touch sheet M, the noise signal of human body sensing is Jing after isolation capacitance C1 and resistance R3 from control core
The SP pins of piece U are input to control chip U, and noise signal is Jing after the internal circuit of control chip U is processed from its TGO pins output
Trigger, the trigger is added to the control end of bidirectional thyristor D4 Jing after electric capacity C4 and resistance R8, makes bidirectional thyristor D4
Conducting, illuminating lamp H is lighted.When touch sheet M is touched again, the pulse that the TGO pins of control chip U then change its output is strong
Degree, the angle of flow for making bidirectional thyristor D4 changes, so as to the brightness of adjusting illuminating lamp.By touch touch sheet M repeatedly,
The brightness of illuminating lamp can then be continually changing, so as to meet demand of the people under different occasions.
As described above, just can well realize this utility model.
Claims (2)
1. a kind of touch adjusting control circuit based on overcurrent protection, it is characterised in that main by control chip U, two-way crystalline substance
Brake tube D4, touch sheet M, audion VT1, audion VT2, negative pole is connected Jing after resistance R3 with the SP pins of control chip U, just
The electric capacity C1 that pole is connected with touch sheet M, P poles are connected with the negative pole of electric capacity C1, N poles Jing after resistance R5 with control chip U's
The diode D2 that VSS pins are connected, N poles are connected with the negative pole of electric capacity C1, two that P poles are connected with the N poles of diode D2
Pole pipe D1, positive pole is connected with the TGO pins of control chip U, negative pole Jing after resistance R8 with the control end phase of bidirectional thyristor D4
The electric capacity C4 of connection, N poles are connected with the second plate of bidirectional thyristor D4, two poles that P poles are connected with the N poles of diode D2
Pipe D5, negative pole is connected with the OSC pins of control chip U, positive pole is connected Jing after resistance R4 with the VDD pins of control chip U
Electric capacity C2, the resistance R2 being in parallel with electric capacity C2, positive pole is connected with the positive pole of electric capacity C2, the CI of negative pole and control chip U
The electric capacity C3 that pin is connected, the resistance R1 being in parallel with electric capacity C3, N poles are connected with 50/60 pin of control chip U, P poles
The diode D3 being connected with the SYN pins of control chip U Jing after resistance R7, one end is connected with the P poles of diode D3, another
The resistance R6 that end is connected Jing after illuminating lamp H with the first anode of bidirectional thyristor D4, is serially connected in the base stage and two of audion VT1
Resistance R9 between the P poles of pole pipe D5, one end is connected with the base stage of audion VT1, the other end Jing after resistance R11 with audion
The resistance R10 that the colelctor electrode of VT2 is connected, and the resistance R12 groups being serially connected between the base stage of audion VT2 and emitter stage
Into；The N poles of the diode D3 are connected with the positive pole of electric capacity C2；The colelctor electrode of the audion VT1 and resistance R6 and illumination
The junction point of lamp H is connected, its emitter stage is connected with the base stage of audion VT2；The emitter stage of the audion VT2 and two poles
The P poles of pipe D5 are collectively forming input.
2. a kind of touch adjusting control circuit based on overcurrent protection according to claim 1, it is characterised in that described
Control chip U is PT2102 integrated chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111418.0U CN206181435U (en) | 2016-10-10 | 2016-10-10 | Touch light modulation control circuit based on overcurrent protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621111418.0U CN206181435U (en) | 2016-10-10 | 2016-10-10 | Touch light modulation control circuit based on overcurrent protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206181435U true CN206181435U (en) | 2017-05-17 |
Family
ID=58678483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621111418.0U Expired - Fee Related CN206181435U (en) | 2016-10-10 | 2016-10-10 | Touch light modulation control circuit based on overcurrent protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206181435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455212A (en) * | 2016-10-10 | 2017-02-22 | 成都赛昂电子科技有限公司 | Touching-type dimming control circuit based on overcurrent protection |
-
2016
- 2016-10-10 CN CN201621111418.0U patent/CN206181435U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455212A (en) * | 2016-10-10 | 2017-02-22 | 成都赛昂电子科技有限公司 | Touching-type dimming control circuit based on overcurrent protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20171010 |