CN202374494U - Lighting power-saving device intelligently controlled by hybrid filter microcomputer - Google Patents
Lighting power-saving device intelligently controlled by hybrid filter microcomputer Download PDFInfo
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- CN202374494U CN202374494U CN2011204254297U CN201120425429U CN202374494U CN 202374494 U CN202374494 U CN 202374494U CN 2011204254297 U CN2011204254297 U CN 2011204254297U CN 201120425429 U CN201120425429 U CN 201120425429U CN 202374494 U CN202374494 U CN 202374494U
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- 238000012545 processing Methods 0.000 claims abstract description 64
- 238000001914 filtration Methods 0.000 claims description 48
- 230000009466 transformation Effects 0.000 claims description 37
- 230000001681 protective effect Effects 0.000 claims description 18
- 238000005070 sampling Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 101150115013 DSP1 gene Proteins 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model aims to provide a lighting power-saving device intelligently controlled by a hybrid filter microcomputer. The lighting power-saving device comprises an electromagnetic variable voltage control circuit and an active power filter digital processing control circuit, wherein the electromagnetic variable voltage control circuit regulates circuit voltage; meanwhile, the active power filter digital processing control circuit is used for inhibiting harmonic waves and compensating reactive current; and an information digital control system controls the electromagnetic variable voltage control circuit, and finally the aim of saving power is fulfilled.
Description
Technical field
The utility model relates to a kind of energy saving device for lighting, refers to a kind of mixed filtering microcomputer-recognized intelligent control illumination power-saving device especially.
Background technology
Because the extensive application of nonlinear-load causes in electric power system, producing a large amount of high order harmonic components, serious distortion can take place in the voltage and current waveform of electric power system, thereby brings very big " electric network pollution " to electric power system.Interruption in short-term when particularly user's internal short-circuit and switching manipulation, transformer or capacitor group switching all can cause the electrical energy power quality disturbance problem.This will directly cause the task performance of load to descend, and strengthen the ineffective power consumption of circuit, in the past not only influence the life-span of line load for a long time, and cause the useless of a large amount of electric energy to expend.
At present, be used for the battery saving arrangement of illuminating engineerings such as street lamp, night scene light, adopt the electromagnetic voltage adjusting control technology usually, to realize energy-conservation purpose.This technical pattern is simple, implements easily, and have certain energy-saving effect, but it exists techno-absence: electricity-saving function is single, and it is the voltage swing through the adjustment circuit, in the hope of realizing energy-conservation purpose.Show powerlessly to a large amount of high order harmonic component that produces in the circuit, the wave distortion of voltage and current, can not carry out the compensation of filtering and line waveform distortion high order harmonic component; Energy-saving effect is poor; Disturbed easily; In control transformation, also can cause interference to electrical network; Can't real-time remote monitoring.
The active power filtering technology, its basic functional principle is: detect the voltage and current of target compensation in real time, calculate offset current through signal processor sampling computing; Draw offset current, the humorous reactive current that involves that will compensate in offset current and the load current, equal and opposite in direction, phase place be opposite, cancel out each other; Finally obtain the power network current expected; Power network current is become and the synchronous sine wave of voltage, thereby reach the inhibition harmonic wave, the purpose of compensating reactive power.Yet it but can not adjust the voltage swing of circuit, realizes energy-conservation purpose in the hope of the adjustment through voltage.
Summary of the invention
The purpose of the utility model is that a kind of mixed filtering microcomputer-recognized intelligent control illumination power-saving device will be provided; Not only through electromagnetism transformation control circuit adjustment line voltage distribution; Can pass through active power filtering digital processing control circuit again; Suppress harmonic wave, compensating reactive power, through message digit control system control electromagnetism transformation control circuit, to reaching energy-conservation purpose.
For realizing said purpose; Adopt following technical scheme: a kind of mixed filtering microcomputer-recognized intelligent control illumination power-saving device that the utility model provides; Comprise electromagnetism transformation control circuit, active power filtering digital processing control circuit, electromagnetism transformation control circuit includes electromagnetic transformers, power contactor, bypass contactor, control contactor; Active power filtering digital processing control circuit comprises, digital processing chip DSP, harmonic signal sampling processing circuit CAP, voltage sampling circuit, current transformer, data processing circuit, isolated drive circuit, PWM drive circuit, filtering driving and protective circuit, contactor drive circuit, memory, communication interface.On the three-phase input circuit of electromagnetism transformation control circuit, attaching active power filtering digital processing control circuit; Between digital processing chip DSP and electromagnetic transformers, power contactor, bypass contactor, control contactor, be connected with contactor drive circuit; On the three-phase input circuit of described electromagnetism transformation control circuit, current transformer is installed, the nonlinear load current signal with detecting through data processing circuit, is input to the respective input of digital processing chip DSP; On the three-phase input circuit of electromagnetism transformation control circuit, be connected in parallel to voltage sampling circuit, with the voltage signal that detects, be input to the respective input of digital processing chip DSP; The input of harmonic signal sampling processing circuit CAP is connected with at least one being in parallel on the three-phase input circuit of electromagnetism transformation control circuit, and with the harmonic signal that detects, is input to the respective input of digital processing chip DSP; The signal of digital processing chip DSP is successively through isolated drive circuit, PWM drive circuit, filtering driving and protective circuit, and respectively through three outputs of filtering driving and protective circuit, parallel connection is input on the electromagnetism transformation control circuit three-phase input circuit.In described electromagnetism transformation control circuit, the unlatching of power contactor and bypass contactor or close, mode each other on the contrary links.Another output of filtering driving and protective circuit is connected with the respective input of digital processing chip DSP.
Described memory output is connected with output with the input of corresponding digital process chip DSP respectively with input.Described memory is that the IIC serial communication interface is connected with the IIC communication interface of digital processing chip DSP.
The input of described communication interface is connected with input with the corresponding output end of digital processing chip DSP respectively with output.
The utility model is the energy saver to street lamp, nightscape lighting engineering design.On electromagnetism transformation control circuit, R, S, T are the input of alternating current, and W, V, U are the economize on electricity output.Shunt active power filtering figure control and treatment circuit on the three-phase input circuit of electromagnetism transformation control circuit.Through current transformer,,, be input to digital processing chip DSP on the one hand through data processing circuit with detected nonlinear load current signal; Detect threephase load voltage in real time through voltage sampling circuit on the one hand, pass through the harmonic wave deal of the real-time detection line of harmonic wave sample circuit simultaneously.
By digital processing chip DSP detected voltage and current signal is carried out computing; Pass through contactor drive circuit; Instruction power contactor, bypass contactor and control contactor turn on and off, carry out electromagnetic voltage adjusting through electromagnetic transformers; With the dc voltage of adjusting electromagnetic transformers and the upper and lower capacitance voltage output voltage of electromagnetic transformers, try to achieve the stable and balanced of voltage, realize pressure regulating energy-saving; Isolated drive circuit, PWM drive circuit, filtering driving and protective circuit (IGBT module); The command signal of the reception harmonic compensation current that computing draws from digital processing chip DSP; This signal is through isolated drive circuit, again after the PWM drive circuit amplifies; Draw offset current, make filtering driving and protective circuit (IGBT module) work, follow the variation of instruction current with the control main circuit current.To compensate in offset current and the load current humorous involve reactive current equal and opposite in direction, phase place opposite, cancel out each other; Finally obtain the power network current expected; Power network current is become and the synchronous sine wave of voltage, thereby reach the inhibition harmonic wave, the purpose of compensating reactive power.
The utility model can be through electromagnetism transformation control circuit adjustment line voltage distribution, realizes energy-conservationly, can pass through active power filtering digital processing control circuit again, and inhibition harmonic wave, compensating reactive power are further realized energy-conservation.More traditional simple dependence is adjusted voltage or is relied on active power filtering merely, and harmonic wave suppresses, reactive power compensation technology is compared, and energy-saving efficiency is improved significantly.
Description of drawings
Fig. 1 is the utility model circuit block diagram.
Fig. 2 is the utility model electromagnetism transformation control circuit and filtering driving and protective circuit (IGBT module) physical circuit figure.
Main symbol description is following:
1, digital processing chip DSP 2, harmonic wave sample circuit CAP
3, contactor drive circuit 4, voltage sampling circuit
5, current transformer 6, data processing circuit
7, isolated drive circuit 8, PWM drive circuit
9, filtering driving and protective circuit 10, communication interface
11, LED light 12, keyboard LCD
13, fan drive circuit 14, clock driver circuit
15, Switching Power Supply multichannel output 16, power contactor
17, bypass contactor 18, electromagnetic transformers
19, control contactor a 20, control contactor b
21, control contactor c 22, memory
Embodiment
With reference to Fig. 1.The mixed filtering microcomputer-recognized intelligent control illumination power-saving device that the utility model provides; Comprise electromagnetism transformation control circuit, active power filtering digital processing control circuit, electromagnetism transformation control circuit includes electromagnetic transformers 18, power contactor 16, bypass contactor 17, control contactor 19,20,21; Active power filtering digital processing control circuit comprises: digital processing chip DSP 1, harmonic wave sample circuit CAP 2, voltage sampling circuit 4, current transformer 5, data processing circuit 6, isolated drive circuit 7, PWM drive circuit 8, filtering driving and protective circuit 9, contactor drive circuit 3, memory 22, communication interface 10.On the three-phase input circuit of electromagnetism transformation control circuit, attaching has active power filtering digital processing control circuit; Between digital processing chip DSP 1 and electromagnetic transformers 18, power contactor 16, bypass contactor 17, control contactor 19 control contactor a, 20 control contactor b, 21 control contactor c, be connected with contactor drive circuit 3, i.e. the output 1 of the input 31 of contactor drive circuit and digital processing chip DSP
16Connect the output 3 of contactor drive circuit
2, 3
3, 3
4, 3
5, 3
6, be connected with corresponding bypass contactor 17, control contactor control contactor 19 control contactor a, 20 control contactor b, 21 control contactor c, power contactor 16 respectively; On the three-phase input circuit of described electromagnetism transformation control circuit, current transformer 5 is installed, the nonlinear load current signal with detecting through data processing circuit 6, is input to the input 1 of digital processing chip DSP
3On the three-phase input circuit of electromagnetism transformation control circuit, be connected in parallel to voltage sampling circuit 4, with the voltage signal that detects, from the input 4 of voltage sampling circuit
1, 4
2, 4
3Input is from output 4
4Export, and be input to the input 1 of digital processing chip DSP
1The input 2 of harmonic signal sampling processing circuit (CAP) 2
1Be connected with at least one being in parallel on the three-phase input circuit of electromagnetism transformation control circuit, also can be simultaneously two be in parallel and connect or parallel three phase connects, with the harmonic signal that detects, through output 2
2, 2
3Be input to the input 1 of digital processing chip DSP
10, 1
11The signal of digital processing chip DSP is through output 1
4, 1
5, the input 7 of entering isolated drive circuit 7
1, 7
2, through the output 7 of isolated drive circuit 7
3Get into the input 8 of PWM drive circuit 8
1, again after pulsewidth adjustment, by the output 8 of PWM drive circuit 8
2Get into the input 9 of filtering driving and protective circuit 9
5, and three outputs 9 through filtering driving and protective circuit respectively
1, 9
2, 9
3, parallel connection is input on the electromagnetism transformation control circuit three-phase input circuit.In described electromagnetism transformation control circuit, the unlatching of power contactor and bypass contactor or close, mode each other on the contrary links.Another output 9 of filtering driving and protective circuit
4Respective input 1 with digital processing chip DSP
3Connect.Described memory 22 outputs 22
1With input 22
2Respectively with the input 1 of corresponding digital process chip DSP
7With output 1
6Connect.The input 10 of described communication interface
1With output 10
2Respectively with the corresponding output end 1 of digital processing chip DSP
14With input 1
15Connect.The output 1 of digital processing chip DSP
13Be connected with LED light 11.Digital processing chip DSP passes through port one
12LCD12 is connected with keyboard.Digital processing chip DSP output 1
9Be connected with fan drive circuit 13.The input 1 of digital processing chip DSP
8Be connected with clock driver circuit 14.
With reference to Fig. 2.Adopt high stable on the electromagnetism transformation control circuit, high-precision power switch, multiple superpressure, overcurrent, short circuit, overheat protection measure.Power contactor on it (KM1) 16; After the connection; Bypass contactor (KM2) 17 turn-offs, and alternating current is from the input of R, S, T, for electromagnetism transformation control circuit and active power filtering digital processing control circuit provide power supply; After pressure regulation, signals collecting, signal processing, harmonic wave inhibition, reactive power compensation, get into the illuminalive power-supply circuit from economize on electricity output W, V, U.The bypass contactor (KM2) 17 of electromagnetism transformation control circuit is connected, and power contactor (KM1) 16 turn-offs, and expression electromagnetism transformation control circuit and active power filtering digital processing control circuit recover original non-electricity-saving power supplying mode.Digital processing chip DSP1; Mainly be that current transformer 5 (RA/SA/TA) and voltage collection circuit 4 from the input circuit of electromagnetism transformation control circuit, harmonic wave sample circuit 2 are gathered electric current and the voltage signal and the harmonic signal of coming; The chip of handling and instructing, its major function: harmonic signal, the voltage of collection, the current signal to gathering from the current transformer of circuit 5 and voltage sampling circuit 4 and harmonic wave sample circuit 2 analyzed, computing, processing, storage, serial communication.The filtering signal that computing produces carries out the pulse-width modulation shaping again through isolated drive circuit 7 through PWM drive circuit 8.Among the figure, filtering driving and protective circuit 9 are the anti-harmonic wave output circuits of the filtering of parallel-connection type active power filtering.Mainly be connected into three groups by per two IGBT pipe, diode of each IGBT pipe parallel connection punctures the IGBT pipe to prevent negative pressure, and circuit is played a protective role.IGBT pipe mainly is that PWM pulse-width modulation filtering signal is amplified, and is the input circuit of the electromagnetism transformation control circuit signal that affords redress.Isolated drive circuit 7 and PWM drive circuit 8, the isolation that is mainly used in pwm signal is exported.
More than the disclosed specific embodiment that is merely the utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into the protection range of the utility model.
Claims (5)
1. a mixed filtering microcomputer-recognized intelligent is controlled illumination power-saving device; Comprise electromagnetism transformation control circuit, active power filtering digital processing control circuit, said electromagnetism transformation control circuit includes electromagnetic transformers, power contactor, bypass contactor, control contactor; Said active power filtering digital processing control circuit comprises: digital processing chip DSP, harmonic signal sampling processing circuit CAP, voltage sampling circuit, current transformer, data processing circuit, isolated drive circuit, PWM drive circuit, filtering driving and protective circuit, contactor drive circuit, memory, communication interface; It is characterized in that: on the three-phase input circuit of electromagnetism transformation control circuit, attaching active power filtering digital processing control circuit; On the three-phase input circuit of described electromagnetism transformation control circuit, current transformer is installed, the nonlinear load current signal with detecting through data processing circuit, is input to the respective input of digital processing chip DSP; On the three-phase input circuit of electromagnetism transformation control circuit, be connected in parallel to voltage sampling circuit, with the voltage signal that detects, be input to the respective input of digital processing chip DSP; The input of harmonic signal sampling processing circuit CAP is connected with at least one being in parallel on the three-phase input circuit of electromagnetism transformation control circuit, and with the harmonic signal that detects, is input to the respective input of digital processing chip DSP; The signal of digital processing chip DSP is successively through isolated drive circuit, PWM drive circuit, filtering driving and protective circuit, and respectively through three outputs of filtering driving and protective circuit, parallel connection is input on the electromagnetism transformation control circuit three-phase input circuit.
2. mixed filtering microcomputer-recognized intelligent as claimed in claim 1 control illumination power-saving device is characterized in that: in described electromagnetism transformation control circuit, and the unlatching of power contactor and bypass contactor or close, opposite way each other.
3. mixed filtering microcomputer-recognized intelligent control illumination power-saving device as claimed in claim 1, it is characterized in that: another output of filtering driving and protective circuit is connected with the respective input of digital processing chip DSP.
4. mixed filtering microcomputer-recognized intelligent control illumination power-saving device as claimed in claim 1, it is characterized in that: described memory output is connected with output with the input of corresponding digital process chip DSP respectively with input.
5. mixed filtering microcomputer-recognized intelligent control illumination power-saving device as claimed in claim 1, it is characterized in that: the input of described communication interface is connected with input with the corresponding output end of digital processing chip DSP respectively with output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204254297U CN202374494U (en) | 2011-11-01 | 2011-11-01 | Lighting power-saving device intelligently controlled by hybrid filter microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204254297U CN202374494U (en) | 2011-11-01 | 2011-11-01 | Lighting power-saving device intelligently controlled by hybrid filter microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202374494U true CN202374494U (en) | 2012-08-08 |
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ID=46598181
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204254297U Expired - Fee Related CN202374494U (en) | 2011-11-01 | 2011-11-01 | Lighting power-saving device intelligently controlled by hybrid filter microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202374494U (en) |
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2011
- 2011-11-01 CN CN2011204254297U patent/CN202374494U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG YUFENG ALUMINIUM INDUSTRY CO., LTD. Free format text: FORMER OWNER: MA AIGANG Effective date: 20150318 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 262512 WEIFANG, SHANDONG PROVINCE TO: 261057 WEIFANG, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150318 Address after: 261057, west of Tengfei Road, Weicheng Economic Development Zone, Shandong, Weifang, north of Wolong West Street Patentee after: Shandong Yu Feng Aluminum limited company Address before: 262512 Shandong city in Qingzhou province where the town of Zhanggao village Feida Street No. 119 Patentee before: Ma Aigang |
|
| DD01 | Delivery of document by public notice |
Addressee: Cai Huaijiang Document name: Notification of Passing Examination on Formalities |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20151101 |
|
| EXPY | Termination of patent right or utility model |