CN105278408B - A kind of Multifunctional timer circuit controlled based on computer IC - Google Patents
A kind of Multifunctional timer circuit controlled based on computer IC Download PDFInfo
- Publication number
- CN105278408B CN105278408B CN201510694789.XA CN201510694789A CN105278408B CN 105278408 B CN105278408 B CN 105278408B CN 201510694789 A CN201510694789 A CN 201510694789A CN 105278408 B CN105278408 B CN 105278408B
- Authority
- CN
- China
- Prior art keywords
- chip
- pin
- resistance
- diode
- electric capacity
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0421—Multiprocessor system
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/22—Pc multi processor system
- G05B2219/2214—Multicontrollers, multimicrocomputers, multiprocessing
Abstract
Invention describes a kind of Multifunctional timer circuit controlled based on computer IC, it includes the chip IC 1 of model 8259, first pin of chip IC 1 is connected with dc source VCC, the second pin of chip IC 1 is connected with resistance R1 one end and resistance R2 one end respectively, resistance R2 other end ground connection, resistance R1 other end one end respectively with resistance R5, diode D6 negative pole, controlling switch K2 one end, electric capacity C1 one end, the second pin of diode D2 positive pole and chip IC 2 are connected；3rd pin of chip IC 1 is connected with button switch S0 one end, and the button switch S0 other end connects the 7th pin of button switch S1 one end, button switch S2 one end, button switch S3 one end and chip IC 1 respectively.Preferably, control accuracy is higher for versatility of the present invention, and function is more enriched, also with good job stability.
Description
Technical field
The present invention relates to a kind of time control circuit, especially a kind of Multifunctional timer electricity controlled based on computer IC
Road, belongs to electronic technology field.
Background technology
Timer, using very universal, is switched in the life of people from alarm clock, electric pressure cooking saucepan to Industry Control, or even army
Time bomb in thing etc., the figure for having timer.The timing tool that people use earliest is hourglass or water leakage, but in clock and watch
It is born and after mature, people is begun attempt to improve timer using this brand-new timing tool, and standard is reached with this
The purpose of true control time.Timer makes the work of the artificial control time of quite a lot of needs become simply many, now not
Few household electrical appliance are assembled with timer and come controlling switch or working time.Now timer conventional at present mainly has connection to be delayed
Type timer, off delay type timer, maintenance connect back off timer, impulse type timer and expanding pulse timing
Device etc., according to using the difference needed, can flexibly select most suitable timer device.Although existing different timer at present
Timing function can be realized, but it is all relatively strong generally directed to property, i.e., and different types of timer is all exclusively for a certain equipment
And supporting making, so also cause it that there is significant limitation, versatility is poor, and function is relatively single；Also
Some timers are due to the difference of control mode, and the precision that it is controlled is not high, and such timer is only used for common set
It is standby, and for some for the equipment that time precision requires higher, it is difficult to meet use demand.
The content of the invention
For above-mentioned deficiency of the prior art, it is a primary object of the present invention to solve now current timer device to lead to
With property is poor, function phase to it is single the problem of, and control accuracy it is relatively low the problem of, and provide a kind of with higher control essence
Degree, and the feature-rich Multifunctional timer circuit controlled based on computer IC.
Technical scheme：A kind of Multifunctional timer circuit controlled based on computer IC, it is characterised in that bag
The chip IC 1 of model 8259 is included, the first pin of the chip IC 1 is connected with dc source VCC, the second of chip IC 1 draws
Pin is connected with resistance R1 one end and resistance R2 one end respectively, resistance R2 other end ground connection, resistance R1 other end difference
One end, diode D6 negative pole, controlling switch K2 one end, electric capacity C1 one end, diode D2 positive pole with resistance R5 and
The second pin connection of chip IC 2, the model 7912 of the chip IC 2；The 3rd pin and button switch of the chip IC 1
S0 one end connection, the button switch S0 other end connects button switch S1 one end, button switch S2 one end, button respectively
S3 one end and the 7th pin of chip IC 1 are switched, the other end of the button switch S1 connects the 4th of chip IC 1 and drawn respectively
One end of pin and button switch S4, the 5th pin and button that the other end of the button switch S2 connects chip IC 1 respectively is opened
S5 one end is closed, the other end of the button switch S3 connects the 6th pin and button switch S6 one end of chip IC 1 respectively,
The other end of the button switch S4 connects the button switch S5 other end, the button switch S6 other end and chip IC 1 respectively
The 8th pin；9th pin of the chip IC 1 is connected to triode Q1 base stage, the chip after being connected with resistance R4
IC1 the tenth pin ground connection；The emitter stage of the triode Q1 connects resistance R6 one end and triode Q2 base stage respectively, electricity
R6 other end connecting triode Q2 emitter stage is hindered, the grounded emitter of the triode Q2, triode Q1 colelctor electrode connects
The connecting resistance R5 other end, triode Q2 colelctor electrode connection diode D6 positive pole, is also parallel with the diode D6
Relay J1；First pin of the chip IC 2 is connected and is grounded, core with the electric capacity C1 other end and electric capacity C2 one end respectively
Piece IC2 the 3rd pin connects the electric capacity C2 other end, diode D2 negative pole, electric capacity C7 one end and diode D1 respectively
Positive pole, the other end ground connection of the electric capacity C7, diode D1 negative pole connect respectively fuse F1 one end and resistance R12 one
End, the other end of the fuse F1 and the resistance R12 other end are connected to the two ends of transformer T1 secondary coil, become
First pin of depressor T1 primary coils connects resistance R7 one end, resistance R8 one end, resistance R3 one end and control respectively
Switch K1 one end, controlling switch K1 other end connection power input VIN1, the second of the transformer T1 primary coils
Pin distinguishes connecting luminous diode H3 negative pole, power input VIN2, light emitting diode H1 negative pole and relay J3's
One end；The positive pole of the light emitting diode H3 is connected with the resistance R3 other end, the positive pole connection electricity of the light emitting diode H1
The R7 other end is hindered, the other end connecting luminous diode H2 of relay J3 negative pole, light emitting diode H2 positive pole connects
The connecting resistance R8 other end；The other end of the controlling switch K2 connects diode D3 negative pole, the first of chip IC 3 drawn respectively
One end of pin and electric capacity C3, the model 7912 of the chip IC 3；The positive pole of the diode D3 connects chip IC 3 respectively
3rd pin, electric capacity C4 one end, the first pin of chip IC 4, the 8th pin, resistance R9 one end and the resistance of chip IC 4
R10 one end, the other end of the electric capacity C4 is connected and connect with the electric capacity C3 other end and the second pin of chip IC 3 respectively
Ground, the other end of the resistance R9 is connected in the second pin of chip IC 4 after being connected with relay J2, the chip IC 4
Model 555；The other end of the resistance R10 is connected with slide rheostat RP one end, the slide rheostat RP other end
Connect resistance R11 one end, slide rheostat RP slider respectively with the 3rd pin and diode D4 of chip IC 4 just
Extremely it is connected, the other end connection diode D5 of resistance R11 negative pole, diode D5 positive pole connects diode D4's respectively
Negative pole, the 4th pin of chip IC 4 and electric capacity C6 one end, the other end of the electric capacity C6 connect respectively electric capacity C5 one end and
7th pin of chip IC 4, the electric capacity C5 other end connects the 6th pin of chip IC 4, the 5th pin ground connection of chip IC 4.
The timer of the present invention employs four pieces of chip ICs to realize different control functions respectively, so not only can be by
Each program during control is carried out simultaneously, improves efficiency, and calculating speed is faster, reacts sensitiveer, while also improving control
Precision processed.
Optimally, the model 2N2165, the model 2N2223 of the triode Q2 of the triode Q1.
Optimally, the model of the light emitting diode H1 and light emitting diode H2 are 0805, the light emitting diode H3
Model 2EF302.
Optimally, the diode D1, diode D2, diode D3 and diode D4 model are 1N5399, described
Diode D5 and diode D6 model are 1N4007.
Optimally, the model RT14-20 of the fuse F1.
Optimally, the model HH52P11, the relay J2 of the relay J1 model HH54P12, it is described after
Electrical equipment J3 model CH5N45.
Relative to prior art, the invention has the advantages that：
1st, versatility is preferable：The timer of the present invention controls the output voltage and arteries and veins of whole circuit using computer IC
Punching, it can adapt to the demand of different peripheral hardwares, and size and the control of output voltage can be adjusted by different gears
The length of timing processed, so as to meet the demand of different type equipment, is thus provided with good versatility.
2nd, control accuracy is higher：Due to using computer IC control mode, therefore for timing node control more
Accurately, the order of magnitude of 0.1 second can be reached as needed, can thus be applied in the higher industrial switch of some required precisions
Field, and error is reduced well, the scope of application has also obtained larger extension.
3rd, function is more enriched：The timer of the present invention employs the mode of power adjustable, therefore it can not only be realized
Timing function, but also power adjustable can be realized, and realized by different gears, while being overcome using oscillating circuit
Interference, therefore also there is good job stability, it is often more important that, employ multiple IC chips to control respectively in the present invention
System, so each can not only independently carry out the work, and is very helpful for the extension of function, and compatibility is also fine.
Brief description of the drawings
Fig. 1 is a kind of circuit theory diagrams based on the computer IC Multifunctional timer circuits controlled of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of Multifunctional timer circuit controlled based on computer IC, includes the chip of model 8259
IC1, the first pin of the chip IC 1 is connected with dc source VCC, the second pin of chip IC 1 respectively with resistance R1 one
End and resistance R2 one end are connected, resistance R2 other end ground connection, one end, two poles of the resistance R1 other end respectively with resistance R5
Pipe D6 negative pole, controlling switch K2 one end, electric capacity C1 one end, the second pin of diode D2 positive pole and chip IC 2 connect
Connect, the model 7912 of the chip IC 2.3rd pin of the chip IC 1 is connected with button switch S0 one end, and button is opened
The other end for closing S0 connects button switch S1 one end, button switch S2 one end, button switch S3 one end and chip respectively
IC1 the 7th pin, the other end of the button switch S1 connect respectively chip IC 1 the 4th pin and button switch S4 one
End, the other end of the button switch S2 connects the 5th pin and button switch S5 one end of chip IC 1, the button respectively
The switch S3 other end connects the 6th pin and button switch S6 one end of chip IC 1 respectively, and the button switch S4's is another
One end connects the 8th pin of the button switch S5 other end, the button switch S6 other end and chip IC 1 respectively；The chip
IC1 the 9th pin is connected to triode Q1 base stage after being connected with resistance R4, the model 2N2165 of the triode Q1,
The tenth pin ground connection of the chip IC 1；The emitter stage of the triode Q1 connects resistance R6 one end and triode Q2 respectively
Base stage, resistance R6 other end connecting triode Q2 emitter stage, the model 2N2223 of the triode Q2, three pole
Pipe Q2 grounded emitter, the triode Q1 colelctor electrode connection resistance R5 other end, triode Q2 colelctor electrode connects two poles
Pipe D6 positive pole, relay J1 is also parallel with the diode D6；First pin of the chip IC 2 respectively with electric capacity C1
The other end and electric capacity C2 one end connect and be grounded, the 3rd pin of chip IC 2 connects the electric capacity C2 other end, two poles respectively
The positive pole of pipe D2 negative pole, electric capacity C7 one end and diode D1, the other end ground connection of the electric capacity C7, diode D1 negative pole
Fuse F1 one end and resistance R12 one end, the other end of the fuse F1 and the resistance R12 other end point are connected respectively
The two ends of transformer T1 secondary coil are not connected to, and the first pin of transformer T1 primary coils connects the one of resistance R7 respectively
End, resistance R8 one end, resistance R3 one end and controlling switch K1 one end, controlling switch K1 other end connection power input
Hold VIN1, the second pin difference connecting luminous diode H3 of the transformer T1 primary coils negative pole, power input
VIN2, light emitting diode H1 negative pole and relay J3 one end；The positive pole of the light emitting diode H3 is another with resistance R3's
End connection, the positive pole connection resistance R7 of the light emitting diode H1 other end, the other end connection of the relay J3 is luminous
Diode H2 negative pole, the light emitting diode H2 positive pole connection resistance R8 other end；The other end of the controlling switch K2 point
Not Lian Jie diode D3 negative pole, the first pin of chip IC 3 and electric capacity C3 one end, the model 7912 of the chip IC 3；
The positive pole of the diode D3 connects the 3rd pin, electric capacity C4 one end, the first pin, the core of chip IC 4 of chip IC 3 respectively
One end of piece IC4 the 8th pin, resistance R9 one end and resistance R10, the other end of the electric capacity C4 is respectively with electric capacity C3's
The other end is connected and is grounded with the second pin of chip IC 3, and the other end of the resistance R9 is reconnected after being connected with relay J2
Onto the second pin of chip IC 4, the model 555 of the chip IC 4；The other end and slide rheostat of the resistance R10
RP one end connection, slide rheostat RP other end connection resistance R11 one end, slide rheostat RP slider difference
It is connected with the 3rd pin of chip IC 4 and diode D4 positive pole, the other end connection diode D5's of the resistance R11 is negative
Pole, diode D5 positive pole connects diode D4 negative pole, the 4th pin of chip IC 4 and electric capacity C6 one end respectively, described
The electric capacity C6 other end connects electric capacity C5 one end and the 7th pin of chip IC 4, electric capacity C5 other end connection chip respectively
IC4 the 6th pin, the 5th pin ground connection of chip IC 4.In the present invention, power input VIN1 and power input VIN2 it
Between access 220V alternating currents.The model of the light emitting diode H1 and light emitting diode H2 are 0805, the light-emitting diodes
Pipe H3 model 2EF302.The diode D1, diode D2, diode D3 and diode D4 model are 1N5399,
The model of the diode D5 and diode D6 are 1N4007.The model RT14-20 of the fuse F1.The relay
J1 model HH52P11, the relay J2 model HH54P12, the model CH5N45 of the relay J3.
The circuit of the present invention is by 8259 multifunction programable time blocks and microswitch, 555 multi-resonant oscillating circuits, relay
Device J1, power circuit etc. are constituted.As shown in figure 1, when controlling switch K1 closures, during 220V power on, light emitting diode H3 is bright,
Indication circuit is started working, and increase power can be realized by controlling switch K2.After the timing of chip IC 1 is arrived, chip IC 1
The 9th pin output high level, triode Q1 conductings, triode Q2 be also switched on, relay J1 actions, and light emitting diode H1 is bright,
Circuit enters the first working condition；After controlling switch K2 is connected, the circuit of chip IC 4 also begins to work, while being connect in J1
In the case of logical, light emitting diode H2 flashes, and the multivibrator and chip IC 1 one that at this moment chip IC 4 is constituted work, chip
IC1 main function is control timing, and the multivibrator that chip IC 4 is constituted can be by adjusting slide rheostat RP
To change power output size, so we can just enter the working condition of second of power adjustable.
The timer of the present invention, which has, controls high-power feature, and it can have 10 groups of auto-open-close actions, and control
Time is accurate, while fixation can be reconciled by controlling power to divide.Its application, such as can be with timing controlled rainbow also than wide
Lamp, advertising lamp box, street lamp, the self water feeding of aquaculture, charger, lathe and various electricity-saving cabinets, distribution box are automatically controlled,
It can also regularly turn on light, turn off the light in the family, and timing opens and closes television set, air-conditioning, so that family life shifts to an earlier date
Into intelligentized control method.
It should be noted that above example is only to illustrate technical solution of the present invention rather than restriction technologies scheme, although
Applicant is explained in detail with reference to preferred embodiment to the present invention, it will be understood by those within the art that, those are right
Modification or equivalent substitution that technical solution of the present invention is carried out, it is impossible to depart from the objective and scope of the technical program, all should cover
Among scope of the invention as claimed.
Claims (6)
1. a kind of Multifunctional timer circuit controlled based on computer IC, it is characterised in that multi-functional including model 8259
The chip IC 1 of programmable Timer module, the first pin of the chip IC 1 is connected with dc source VCC, and the second of chip IC 1
Pin is connected with resistance R1 one end and resistance R2 one end respectively, resistance R2 other end ground connection, the resistance R1 other end point
One end, diode D6 negative pole not with resistance R5, controlling switch K2 one end, electric capacity C1 one end, diode D2 positive pole
Connected with the second pin of chip IC 2, the model 7912 of the chip IC 2；3rd pin of the chip IC 1 is opened with button
S0 one end connection is closed, the button switch S0 other end connects button switch S1 one end, button switch S2 one end, pressed respectively
Button switch S3 one end and the 7th pin of chip IC 1, the other end of the button switch S1 connect the 4th of chip IC 1 respectively
One end of pin and button switch S4, the other end of the button switch S2 connects the 5th pin and button of chip IC 1 respectively
Switch S5 one end, the other end of the button switch S3 connect respectively chip IC 1 the 6th pin and button switch S6 one
End, the other end of the button switch S4 connects the button switch S5 other end, button switch the S6 other end and chip respectively
IC1 the 8th pin；9th pin of the chip IC 1 is connected to triode Q1 base stage after being connected with resistance R4, described
The tenth pin ground connection of chip IC 1；The emitter stage of the triode Q1 connects resistance R6 one end and triode Q2 base respectively
Pole, resistance R6 other end connecting triode Q2 emitter stage, the grounded emitter of the triode Q2, triode Q1 current collection
The pole connection resistance R5 other end, triode Q2 colelctor electrode connection diode D6 positive pole, on the diode D6 also simultaneously
It is associated with relay J1；First pin of the chip IC 2 is connected and connect with the electric capacity C1 other end and electric capacity C2 one end respectively
Ground, the 3rd pin of chip IC 2 connects the electric capacity C2 other end, diode D2 negative pole, electric capacity C7 one end and two poles respectively
Pipe D1 positive pole, the other end ground connection of the electric capacity C7, diode D1 negative pole connects fuse F1 one end and resistance respectively
R12 one end, the other end of the fuse F1 and the resistance R12 other end are connected to transformer T1 secondary coil
Two ends, the first pin of transformer T1 primary coils connects resistance R7 one end, resistance R8 one end, resistance R3 one end respectively
With controlling switch K1 one end, controlling switch K1 other end connection power input VIN1, the transformer T1 primary coils
Second pin difference connecting luminous diode H3 negative pole, power input VIN2, light emitting diode H1 negative pole and relay
Device J3 one end；The positive pole of the light emitting diode H3 is connected with the resistance R3 other end, the positive pole of the light emitting diode H1
The connection resistance R7 other end, the other end connecting luminous diode H2 of relay J3 negative pole, light emitting diode H2's
The positive pole connection resistance R8 other end；The other end of the controlling switch K2 connects diode D3 negative pole, chip IC 3 respectively
One end of first pin and electric capacity C3, the model 7912 of the chip IC 3；The positive pole of the diode D3 connects chip respectively
IC3 the 3rd pin, electric capacity C4 one end, the first pin of chip IC 4, the 8th pin of chip IC 4, resistance R9 one end and
Resistance R10 one end, the other end of the electric capacity C4 is connected simultaneously with the electric capacity C3 other end and the second pin of chip IC 3 respectively
Ground connection, the other end of the resistance R9 is connected in the second pin of chip IC 4 after being connected with relay J2, the chip
IC4 model 555；The other end of the resistance R10 is connected with slide rheostat RP one end, and slide rheostat RP's is another
End connection resistance R11 one end, slide rheostat RP slider respectively with the 3rd pin of chip IC 4 and diode D4
Positive pole is connected, and the other end connection diode D5 of resistance R11 negative pole, diode D5 positive pole connects diode D4 respectively
Negative pole, the 4th pin of chip IC 4 and electric capacity C6 one end, the other end of the electric capacity C6 connects electric capacity C5 one end respectively
With the 7th pin of chip IC 4, the electric capacity C5 other end connects the 6th pin of chip IC 4, and the 5th pin of chip IC 4 connects
Ground.
2. a kind of Multifunctional timer circuit controlled based on computer IC according to claim 1, it is characterised in that institute
State triode Q1 model 2N2165, the model 2N2223 of the triode Q2.
3. a kind of Multifunctional timer circuit controlled based on computer IC according to claim 2, it is characterised in that institute
The model for stating light emitting diode H1 and light emitting diode H2 is 0805, the model 2EF302 of the light emitting diode H3.
4. a kind of Multifunctional timer circuit controlled based on computer IC according to claim 3, it is characterised in that institute
The model for stating diode D1, diode D2, diode D3 and diode D4 is 1N5399, the diode D5 and diode D6
Model be 1N4007.
5. a kind of Multifunctional timer circuit controlled based on computer IC according to claim 4, it is characterised in that institute
State fuse F1 model RT14-20.
6. a kind of Multifunctional timer circuit controlled based on computer IC according to claim 5, it is characterised in that institute
State relay J1 model HH52P11, the relay J2 model HH54P12, the model of the relay J3
CH5N45。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510694789.XA CN105278408B (en) | 2015-10-26 | 2015-10-26 | A kind of Multifunctional timer circuit controlled based on computer IC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510694789.XA CN105278408B (en) | 2015-10-26 | 2015-10-26 | A kind of Multifunctional timer circuit controlled based on computer IC |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105278408A CN105278408A (en) | 2016-01-27 |
| CN105278408B true CN105278408B (en) | 2017-07-25 |
Family
ID=55147606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510694789.XA Expired - Fee Related CN105278408B (en) | 2015-10-26 | 2015-10-26 | A kind of Multifunctional timer circuit controlled based on computer IC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105278408B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055305U (en) * | 1988-11-23 | 1990-03-28 | 岑穗峰 | Electric-heating cooker power regulator |
| CN1052202A (en) * | 1989-11-03 | 1991-06-12 | 国际商业机器公司 | Programmable interrupt controller |
| CN2095510U (en) * | 1990-03-19 | 1992-02-05 | 李蓬 | Output power adjustable electrothermal electricity saver |
| WO2007148354A1 (en) * | 2006-06-21 | 2007-12-27 | Stmicroelectronics S.R.L. | Control device of a plurality of switching converters |
| CN101162873A (en) * | 2007-08-28 | 2008-04-16 | 冯筠荪 | Pressure regulating on-off circuit |
| EP2327550A1 (en) * | 2008-09-08 | 2011-06-01 | Peking University Founder Group Co., Ltd | A device and method for controlling a pulse width, an ink jet printing apparatus using the device |
| CN102647835A (en) * | 2012-04-29 | 2012-08-22 | 广州南科集成电子有限公司 | Dimming circuit of narrow voltage light emitting diode (LED) lamp |
| CN202779077U (en) * | 2012-10-12 | 2013-03-13 | 淮阴工学院 | Intelligent scale removal and prevention device with adjustable power |
| CN104835686A (en) * | 2015-05-07 | 2015-08-12 | 周芸 | Large-power precise time delay relay |
| CN204652331U (en) * | 2015-06-15 | 2015-09-16 | 李素广 | A kind of multipurpose delay switching circuit |
-
2015
- 2015-10-26 CN CN201510694789.XA patent/CN105278408B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055305U (en) * | 1988-11-23 | 1990-03-28 | 岑穗峰 | Electric-heating cooker power regulator |
| CN1052202A (en) * | 1989-11-03 | 1991-06-12 | 国际商业机器公司 | Programmable interrupt controller |
| CN2095510U (en) * | 1990-03-19 | 1992-02-05 | 李蓬 | Output power adjustable electrothermal electricity saver |
| WO2007148354A1 (en) * | 2006-06-21 | 2007-12-27 | Stmicroelectronics S.R.L. | Control device of a plurality of switching converters |
| CN101162873A (en) * | 2007-08-28 | 2008-04-16 | 冯筠荪 | Pressure regulating on-off circuit |
| EP2327550A1 (en) * | 2008-09-08 | 2011-06-01 | Peking University Founder Group Co., Ltd | A device and method for controlling a pulse width, an ink jet printing apparatus using the device |
| CN102647835A (en) * | 2012-04-29 | 2012-08-22 | 广州南科集成电子有限公司 | Dimming circuit of narrow voltage light emitting diode (LED) lamp |
| CN202779077U (en) * | 2012-10-12 | 2013-03-13 | 淮阴工学院 | Intelligent scale removal and prevention device with adjustable power |
| CN104835686A (en) * | 2015-05-07 | 2015-08-12 | 周芸 | Large-power precise time delay relay |
| CN204652331U (en) * | 2015-06-15 | 2015-09-16 | 李素广 | A kind of multipurpose delay switching circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105278408A (en) | 2016-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104540272B (en) | LED driving device and semiconductor chip used therein | |
| CN110191549B (en) | LED (light emitting diode) accurate timing switch lamp and accurate timing drive circuit thereof | |
| AU2014100619A4 (en) | Electronic transformer-controlled two-wire two-way led (light-emitting diode) lamp string | |
| CN103929844A (en) | Automatic control device for lamp cyclic test | |
| CN202454840U (en) | Multipurpose delay power socket | |
| CN102664460A (en) | Load remote automatic control power supply device | |
| CN205385464U (en) | Periodic duty timing controller circuit | |
| CN105278408B (en) | A kind of Multifunctional timer circuit controlled based on computer IC | |
| CN203734894U (en) | LED drive circuit | |
| CN202488196U (en) | High-performance constant-current charger | |
| CN202310232U (en) | Miniwatt LED light illumination system | |
| CN209461382U (en) | A kind of power cut off delay time relay | |
| CN107040143B (en) | Power supply circuit, power supply method and metering instrument manufactured by same | |
| CN203573126U (en) | Circuit structure in remote control switching mode | |
| CN204156536U (en) | A kind of hydroelectric station auto-parallel instrument | |
| CN202005023U (en) | Mains input LED driving circuit with low power consumption | |
| CN209198534U (en) | A kind of zero cross detection circuit and device | |
| CN102611179A (en) | High-performance constant-current charger | |
| CN106973467B (en) | A kind of manual power switching module of LED control device | |
| CN202713734U (en) | High power factor fully isolated constant current drive LED illuminating lamp | |
| CN202840680U (en) | Load remote automatic control power supply device | |
| CN205941856U (en) | Electricity source plate input voltage automatic switch -over aging device | |
| CN105228302A (en) | A kind of automatic street lamp circuit based on power switch | |
| US20140197742A1 (en) | Led drive circuit | |
| CN214588622U (en) | Time relay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170725 Termination date: 20181026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |