CN102711334A - Lighting energy-saving device without stage difference - Google Patents
Lighting energy-saving device without stage difference Download PDFInfo
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- CN102711334A CN102711334A CN2012101964626A CN201210196462A CN102711334A CN 102711334 A CN102711334 A CN 102711334A CN 2012101964626 A CN2012101964626 A CN 2012101964626A CN 201210196462 A CN201210196462 A CN 201210196462A CN 102711334 A CN102711334 A CN 102711334A
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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 invention discloses a lighting energy-saving device without stage difference, which belongs to the technical field of lighting energy saving, and integrates a power electronic technology and an electromagnetic control technology so as to realize dimming energy saving without stage difference. A power electronic circuit is an alternating-alternating power circuit which comprises four insulated gate bipolar transistors (IGBTs) Q1, Q2, Q3 and Q4 as well as four quickly recovered diodes D1, D2, D3 and D4, wherein the D1, D2, D3 and D4 are reversely and parallelly connected to the collector and the emitter of each IGBT. C1 is a filter capacitor, and C2 and L1 form an LC filter circuit. An electromagnetic loop comprises a coupling inductor L, and an auxiliary coil 21 terminal of the electromagnetic loop is connected with the alternating-alternating power circuit through a switch K3; and a 11 terminal of the main coil is connected with the live wire of utility power, and a 12 terminal of the main coil serves as the output end of the device. The power of the alternating-alternating circuit is adjusted and the power of the electromagnetic loop is changed by the control unit, so that the output power of the whole device is adjusted. The lighting energy-saving device without stage difference has the characteristics of impact resistance, wide power adjustment scope, low cost and high efficiency.
Description
Technical field
The invention belongs to the lighting energy saving technical field, particularly a kind of stepless difference formula energy saving device for lighting.
Background technology
Along with quickening of urbanization process and progress of social civilization, beautify the brightening city and be not only the important engineering that governments at all levels benefit a side, be related to the needs of the growing material of numerous people, culture life especially.But electric consumption on lighting has accounted for 10% one 20% of global total electricity consumption now, and national governments have all formulated national green illumination plan one after another.So-called green illumination is exactly electrical energy saving under the prerequisite of assurance or raising lighting quality, reduces consumption and air pollution to non-renewable resources, to reach the purpose of preserving the ecological environment.Green Lighting Project energy-conservation just do not improve the efficient of light source, also wants each link in the illumination system to carry out energy-efficient treatment simultaneously, to improve rate of energy.Present disclosed lighting energy saving product and characteristics thereof have:
(1), SCR SCR control product: output voltage seriously distorts, and pollutes electrical network, produces and disturbs; Can't satisfy the electromagnetic compatibility requirement; Influence power scheduling, can only adapt to perceptual light load simultaneously, can't adapt to the diversification illumination of present promotion and the capacitance compensation of state compulsion.
(2), electromagnetism single-circuit transformer fixed taps machinery switches product: volume is big and heavy, can't carry out voltage-control dimming during work, and fractional energy savings is fixed, and illumination is uncontrollable, the inverted phenomenon of illumination and demand occurs.
(3), electromagnetism single-circuit transformer tap SCR switches product: the big heaviness of volume, sudden change formula voltage-control dimming, to the HID lamp of the city illumination phenomenon of turning off the light, light modulation can't accurately be controlled and since many SCR switch have when switching common-mode lead with, so failure rate is high.
(4), the stepless carbon brush of electromagnetism single-circuit transformer switches product: the big heaviness of volume, mechanical carbon brush parts slide when big electric current, receive the influence of electric spark, the life-span is short, failure rate is high.
(5), the servo stepless carbon brush voltage-control dimming product of electromagnetic induction transformer motor: change output voltage thereby realize by the tapping that the driven by servomotor carbon brush carries out Circuit Fault on Secondary Transformer that transformer voltage ratio is regulated, the big heaviness of volume, efficient is low, noise is big.
(6) novel electric power electric power supply change-over device, such device technique content is high, it is intelligent to be easy to realize.One type is that pattern by AC-DC-AC constitutes, and the topology that is similar to frequency converter constitutes, but this type of product efficiency is low, and is difficult to adapt to the complicated impedance operator of electric light source class load, causes the common-mode conducting of inverter bridge easily, causes the serious accident of aircraft bombing.Another kind of is the high frequency chopping pattern conversion formation of AC-AC, and IGBT module is a dissymmetrical structure in this type of, high-power expansion difficulty, and in the bigger occasion of lighting power, its heat radiation becomes the key factor that restriction equipment uses, and is difficult to overcome.
Summary of the invention
The objective of the invention is to overcome existing technological deficiency; A kind of stepless difference formula energy saving device for lighting is provided; This device combines the realization dimming energy-saving to power electronic technology and electromagnetism control technique, has safe and reliable, advantages such as efficient is high, adjusting is level and smooth, high-power expansion easy, environmental protection and energy saving.
The present invention is the stepless difference formula energy saving device for lighting that achieves the above object and adopted: it is characterized in that; This device comprises mainly by power electronics change power circuit, electromagnetic circuit; And the main circuit that connects the contactor composition of power electronics change power circuit and electromagnetic circuit, the control circuit that links to each other with main circuit;
Described power electronics becomes power circuit and comprises by four IGBT Q1, Q2, Q3, Q4 and four fast recovery diode D1, D2, D3, D4, the friendship-alternating current circuit of composition, and by two capacitor C 1, C2 and the filter circuit that inductance L 1 is formed; Wherein the emitter of the emitter of an IGBT Q1 and the 2nd IGBT Q2 joins, and the collector electrode of the collector electrode of the 2nd IGBT Q2 and the 3rd IGBT Q3 joins, and the emitter of the emitter of the 3rd IGBT Q3 and the 4th IGBT Q4 joins.The collector electrode connecting to neutral line of the 4th IGBT Q4, the collector electrode of an IGBT Q1 is received live wire through the first contactor K1; Four fast recovery diode D1, D2, D3, D4 distinguish inverse parallel between the collector electrode and emitter of four IGBT Q1, Q2, Q3, Q4; First capacitor C 1 is connected across the collector electrode of an IGBT Q1 and the 4th IGBT Q4, constitutes the filter circuit of input; Inductance L 1, second capacitor C 2 are formed the filter circuit of outputs, a termination the 2nd IGBT Q2 of inductance L 1 and the collector electrode of the 3rd IGBT Q3, the other end of inductance L 1 and second capacitor C 2 in succession, the other end of second capacitor C 2 is received zero line;
Described electromagnetic circuit is mainly formed (main coil 11 ends and secondary coil 21 ends are ends of the same name) by coupling inductance L; Secondary coil 21 terminals of this coupling inductance L are received this power electronics through the 3rd contactor K3 and are become in the power circuit; And receive on inductance L 1, second capacitor C, the 2 continuous common ports, secondary coil 22 terminals of coupling inductance L are received zero line; Main coil 11 terminals of this coupling inductance L are received live wire, are the inputs of device, and main coil 12 terminals of coupling inductance L are as the output of whole device, and 11 and 12 two ends of the main coil of coupling inductance L are the cross-over connection second contactor K2 again.
This control circuit comprises the detection protection module of being made up of temperature sensing circuit, voltage and current sample circuit, IGBT drive circuit, current rectifying and wave filtering circuit, A/D change-over circuit and central processing unit circuit; Wherein, Temperature sensing circuit, communication module and man-machine interface link to each other with the central processing unit circuit respectively; The input of current-voltage sampling circuit is connected the output of device; The output of current-voltage sampling circuit connects and links to each other with current rectifying and wave filtering circuit, and current rectifying and wave filtering circuit links to each other with the central processing unit circuit through the A/D change-over circuit; Central processing unit circuit, detection protection module circuit link to each other with main circuit respectively; The IGBT drive circuit is connected with IGBT control end in the main circuit, control IGBT work-based logic state.
Described detection protection module is realized overvoltage and under-voltage protection, overcurrent and undercurrent protection, overtemperature prote.
Described control circuit also is connected with serial communication module and human-computer interaction interface, realizes that long-range and scene are provided with parameter, regulate power, Query Information.
The present invention adopts the beneficial effect after the technique scheme:
(1) efficient is high, does not have mechanical parts and easily worn part, and safe and reliable, device lifetime is long.
(2) adopt power electronic technology and electromagnetism to combine, made power expansion realize easily.
(3) stepless difference formula regulation and control ensure light source life to greatest extent.
(4) intelligently carry out dimming energy-saving, realize the telecommunication dimming energy-saving.
Description of drawings
Fig. 1 is a main circuit schematic diagram of the present invention; Being that power electronics becomes power circuit in the frame of broken lines I among the figure, is electromagnetic circuit in the frame of broken lines II
Fig. 2 is an apparatus structure block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed explanation.
The stepless difference formula energy saving device for lighting that the present invention proposes; Like Fig. 1, shown in 2; Comprise by power electronics becoming power circuit I and electromagnetic circuit II, and connect the main circuit that power electronics becomes the contactor composition of power circuit and electromagnetic circuit, the control circuit that links to each other with main circuit;
Described power electronics becomes power circuit I and comprises by four IGBT Q1, Q2, Q3, Q4 and four fast recovery diode D1, D2, D3, D4, the friendship-alternating current circuit of composition, and by two capacitor C 1, C2 and the filter circuit that inductance L 1 is formed; Wherein the emitter of the emitter of Q1 and Q2 joins, and the collector electrode of Q2 and the collector electrode of Q3 join, and the emitter of Q3 and the emitter of Q4 join.The collector electrode connecting to neutral line of Q4, the collector electrode of Q1 is received live wire through contactor K1; Four fast recovery diode D1, D2, D3, D4 distinguish inverse parallel between the collector electrode and emitter of Q1, Q2, Q3, Q4; Capacitor C 1 is connected across the collector electrode of Q1 and Q4, constitutes the filter circuit of input.Inductance L 1, capacitor C 2 formed the filter circuit of outputs, the termination Q2 of L1 and the collector electrode of Q3, the other end and C2 in succession, the other end of C2 is received zero line;
Described electromagnetic circuit II mainly forms (main coil 11 ends and secondary coil 21 ends are ends of the same name) by coupling inductance L; Secondary coil 21 terminals of this coupling inductance L are received this power electronics through contactor K3 and are become in the power circuit; And receive on L1, the continuous common port of C2,22 terminals are received zero line; Main coil 11 terminals of this coupling inductance L are received live wire, are the inputs of device, and 12 terminals are as the output of whole device, and 11 and 12 two ends of main coil are cross-over connection contactor K2 again.
Operation principle of the present invention: the input of this device generally is connected on the transformer or switch cubicle of control lighting load; After the output of device connects lighting load; Make the light source warm-up phase in energized, control circuit signals and makes K2 closed, Uout=Uin; To light source, light source operates in the rated power state to load current through input Uin, contactor K2, output Uout.Arrive when the electricity-saving state time, K1 at first controlled by control circuit and the K3 contactor is closed, controls IGBT work simultaneously, makes Q3 and Q4 open-minded, and when alternating current positive pressure half cycle, control IGBT work makes Q2 open-minded, and Q1 turn-offs; When the alternating voltage negative half period, make Q2 open-minded, Q1 turn-offs, and the secondary coil that be equivalent to coupling inductance this moment is a short circuit, and the voltage difference is 0V.Control K2 then and open, load current arrives load through main coil, the output Uout of input Uin, coupling inductance L, at this moment, at the positive half cycle of voltage, makes Q3 work in the high frequency chopping state, and Q2 and D1 are as continuous current circuit; At the voltage negative half cycle, make Q4 work in the high frequency chopping state, Q1 and D2 are as continuous current circuit.As long as control circuit is controlled the IGBT operating state, the duty ratio of just regulating copped wave then can make the power of coupling inductance secondary coil change like this, and the power of main coil also changes thereupon simultaneously.So just realize the change of whole device power output, thereby also made light source operate in the change power rating, reached purpose of energy saving.
Each device all adopts conventional commercial product in the main circuit of the present invention.
The concrete composition of control circuit embodiment of the present invention is as shown in Figure 2; Comprise the detection protection module of forming by temperature sensing circuit, voltage and current sample circuit; IGBT drive circuit, current rectifying and wave filtering circuit, A/D change-over circuit and central processing unit circuit also can be provided with communication module and man-machine interface; Wherein, Temperature sensing circuit, communication module and man-machine interface link to each other with the central processing unit circuit respectively; The input of current-voltage sampling circuit is connected the output of device; The output of current-voltage sampling circuit links to each other with current rectifying and wave filtering circuit, and current rectifying and wave filtering circuit links to each other with the central processing unit circuit through the A/D change-over circuit; Central processing unit circuit, detection protection module circuit link to each other with main circuit respectively; IGBT drive circuit in the control circuit is connected with the control end of IGBT in the main circuit, control IGBT work-based logic state.
Detect protection module and realize overvoltage and under-voltage protection, overcurrent and undercurrent protection, overtemperature prote.Detect voltage, electric current, temperature information that protection module detects main circuit in real time, after over commutation, filtering and A/D conversion, be transferred to central processing unit; The workflow of central processing unit is: if electric current and voltage is in the operate as normal interval; The duty ratio that central processing unit is regulated pwm signal through the magnitude of voltage that compares actual voltage value and software set; Stablize or the adjustment voltage output value, requirement is set up to satisfying; If electric current and voltage occurs unusual, then carry out abnormality processing according to current/voltage protection strategy.Electric current and voltage comprises overvoltage and under-voltage unusually, overcurrent and undercurrent.Protection strategies includes: (general work voltage surpasses rated voltage 20% unusually when over-voltage and over-current occurring; For example single-phase voltage surpasses 265 volts, and is then unusual for over-voltage and over-current occurring when electric current surpasses load current value), control circuit sends signal makes K2 closed; K1 and K3 also are in closure state; Device temporarily withdraws from power save mode, and after the wait electric current and voltage recovered normal value, device dropped into energy-conservation again; When under-voltage undercurrent unusual (operating voltage is lower than rated voltage 80%, and operating current is lower than rated current 2%) occurring, control circuit sends signal makes K2 closed, and K1 and K3 break off, and drop into energy-conservation no longer automatically again.
Temperature detecting module detects temperature anomaly, also gets into abnormality processing according to the temperature protection strategy: promptly install working temperature and surpass 45 degree, then start fan and carry out forced heat radiation; Temperature surpasses 80 degree; Control circuit sends signal makes K2 closed, and K1 and K3 also are in closure state, and equipment temporarily withdraws from power save mode; Waiting temperature returns to below 60 degree, and device drops into energy-conservation again.
Above-mentioned flow process is compiled into control program through the technology of routine, is stored in the central processing unit in advance.
Communication module and human-computer interaction interface can supply long-range and the scene is provided with parameter, regulate power, Query Information.
Each circuit in the control circuit all adopts conventional ripe circuit: the drive circuit of IGBT device is made up of the 316J of An Jielun company chip for driving and auxiliary circuit thereof; The central processing unit circuit is made up of the STM8S207R8T6C of ST company chip and auxiliary circuit thereof; Voltage, current sampling circuit are made up of the CS5463 intelligent electric meter special chip of Cirrus logic, also integrated current rectifying and wave filtering circuit, A/D change-over circuit in this chip; Temperature sensing circuit is made up of the thermistor and the auxiliary circuit thereof of routine; Communication module adopts MAX232 and MAX485 as communication interface; Man-machine interface adopts very color touch-screen.
Claims (3)
1. stepless difference formula energy saving device for lighting; It is characterized in that; This device comprises mainly by power electronics and becomes power circuit, electromagnetic circuit, and connects the main circuit that power electronics becomes the contactor composition of power circuit and electromagnetic circuit, the control circuit that links to each other with main circuit;
Described power electronics becomes power circuit and comprises friendship-alternating current circuit of being made up of four IGBT (Q1, Q2, Q3, Q4) and four fast recovery diodes (D1, D2, D3, D4), and the filter circuit of being made up of two electric capacity (C1, C2) and an inductance (L1); Wherein the emitter of the emitter of an IGBT (Q1) and the 2nd IGBT (Q2) joins, and the collector electrode of the collector electrode of the 2nd IGBT (Q2) and the 3rd IGBT (Q3) joins, and the emitter of the emitter of the 3rd IGBT (Q3) and the 4th IGBT (Q4) joins.The collector electrode connecting to neutral line of the 4th IGBT (Q4), the collector electrode of an IGBT (Q1) is received live wire through first contactor (K1); The inverse parallel of four fast recovery diodes (D1, D2, D3, D4) difference is between the collector electrode and emitter of four IGBT (Q1, Q2, Q3, Q4); First electric capacity (C1) is connected across the collector electrode of an IGBT (Q1) and the 4th IGBT (Q4), constitutes the filter circuit of input; Inductance (L1), second electric capacity (C2) are formed the filter circuit of output; One termination the 2nd IGBT (Q2) of inductance (L1) and the collector electrode of the 3rd IGBT (Q3); The other end of inductance (L1) and second electric capacity (C2) in succession, the other end of second electric capacity (C2) is received zero line;
Described electromagnetic circuit mainly is made up of coupling inductance (L); Main coil 11 ends and secondary coil 21 ends of this coupling inductance (L) are ends of the same name; Secondary coil 21 terminals of this coupling inductance (L) are received this power electronics through the 3rd contactor (K3) and are become in the power circuit; And receive on inductance (L1), the continuous common port of second electric capacity (C2), secondary coil 22 terminals of coupling inductance (L) are received zero line; Main coil 11 terminals of this coupling inductance (L) are received live wire, are the inputs of device, and main coil 12 terminals of coupling inductance (L) are as the output of whole device, and the main coil 11 of coupling inductance L and 12 two ends are cross-over connection second contactor (K2) again.
2. stepless difference formula energy saving device for lighting as claimed in claim 1; It is characterized in that; This control circuit comprises the detection protection module of being made up of temperature sensing circuit, voltage and current sample circuit, IGBT drive circuit, current rectifying and wave filtering circuit, A/D change-over circuit and central processing unit circuit; Wherein, Temperature sensing circuit, communication module and man-machine interface link to each other with the central processing unit circuit respectively; The input of current-voltage sampling circuit is connected the output of device; The output of current-voltage sampling circuit links to each other with current rectifying and wave filtering circuit, and current rectifying and wave filtering circuit links to each other with the central processing unit circuit through the A/D change-over circuit; Central processing unit circuit, detection protection module circuit link to each other with main circuit respectively; The IGBT drive circuit is connected with IGBT control end in the main circuit, the work-based logic state of control IGBT.
3. according to right 1 described stepless difference formula energy saving device for lighting, it is characterized in that: described control circuit also is connected with serial communication module and human-computer interaction interface, realizes that long-range and scene are provided with parameter, regulate power, Query Information.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103338554A (en) * | 2013-06-13 | 2013-10-02 | 英特曼电工(常州)有限公司 | Stage-difference-free energy-saving lighting dimming device |
CN107978416A (en) * | 2016-10-21 | 2018-05-01 | 罗伯特·博世有限公司 | Determine the method and circuit device of the position of the movable armature of electromagnetic actuator |
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CN200976697Y (en) * | 2006-12-01 | 2007-11-14 | 萧国强 | Large power intelligent light-modulating environmental protection energy-saving device |
CN101370333A (en) * | 2008-10-08 | 2009-02-18 | 天津理工大学 | Road lamp illumination power-saving device based on compensation type AC wave chopping technology |
CN202663612U (en) * | 2012-06-14 | 2013-01-09 | 雷锡社 | Range-free illuminating energy-saving device |
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KR200379586Y1 (en) * | 2004-11-08 | 2005-03-24 | (주)에이엔피테크놀러지 | Power Saver consisted of Electronic Auto Transformer and Standby Power Breaker with Power Switching Semiconductor |
CN200976697Y (en) * | 2006-12-01 | 2007-11-14 | 萧国强 | Large power intelligent light-modulating environmental protection energy-saving device |
CN101370333A (en) * | 2008-10-08 | 2009-02-18 | 天津理工大学 | Road lamp illumination power-saving device based on compensation type AC wave chopping technology |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103338554A (en) * | 2013-06-13 | 2013-10-02 | 英特曼电工(常州)有限公司 | Stage-difference-free energy-saving lighting dimming device |
CN107978416A (en) * | 2016-10-21 | 2018-05-01 | 罗伯特·博世有限公司 | Determine the method and circuit device of the position of the movable armature of electromagnetic actuator |
CN107978416B (en) * | 2016-10-21 | 2022-05-17 | 罗伯特·博世有限公司 | Method and circuit arrangement for determining the position of a movable armature of an electromagnetic actuator |
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Application publication date: 20121003 |