CN104968066A - Telescopic lighting device - Google Patents
Telescopic lighting device Download PDFInfo
- Publication number
- CN104968066A CN104968066A CN201510279043.2A CN201510279043A CN104968066A CN 104968066 A CN104968066 A CN 104968066A CN 201510279043 A CN201510279043 A CN 201510279043A CN 104968066 A CN104968066 A CN 104968066A
- Authority
- CN
- China
- Prior art keywords
- diode
- vice
- winding
- centre tap
- lighting device
- 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.)
- Pending
Links
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Dc-Dc Converters (AREA)
Abstract
The invention provides a telescopic lighting device, comprising a lamp socket, a lamp holder and a switching power supply, and also comprising a telescoping lamp bracket. The switching power supply comprises a three-phase resonant converter with an intermediate tapped transformer. The telescopic lighting device has the characteristics of low loss and high density, and can prolong a service life, increase reliability, and meet the reliability requirements to a lighting device by users under different environments.
Description
Technical field
The invention belongs to illuminations field, particularly the scalable lighting device of one.
Background technology
Lighting device become already people live study necessity, especially for need be in study student and job family.
Lighting device traditional is at present while meeting illuminations function, many uses Switching Power Supply carries out folding, the course of work of the Switching Power Supply that traditional lighting device uses is by " copped wave ", namely the direct voltage of input is cut into amplitude and equals that the pulse voltage of input voltage amplitude realizes.The duty ratio of pulse is regulated by the controller of Switching Power Supply; Once input voltage is cut into ac square wave, its amplitude just can be raised by transformer or reduce, just can be increased the magnitude of voltage of output by the secondary winding number increasing transformer, finally these AC wave shape just obtain VD after rectifying and wave-filtering.
But there is switching loss, the surge voltage that can produce when cut-off switch element and the lighting device poor work stability caused because of voltage instability in the lighting device of the Switching Power Supply using above-mentioned lighting device to use, its loss is high, power density is low, working life and the low problem of reliability; And only play the conventional illuminator of illuminations effect, it can not regulate height, cannot meet the end user of different height and height of seat to the demand of desk lamp high reliability.
Summary of the invention
Technical problem to be solved by this invention, for the defect in aforementioned background art and deficiency, propose a kind of there is the Switching Power Supply of the three-phase resonate converter of interphase reactor transformer and the scalable lighting device of the function from main regulation lighting device height can be realized, its loss is low, power density is high, can improve working life and the reliability of lighting device.
The present invention is achieved through the following technical solutions above-mentioned purpose:
For the technical disadvantages that existing lighting device exists, redesign a kind of scalable lighting device, comprise lamp socket, lamp holder and Switching Power Supply, lamp holder and lamp stand, it is characterized in that, described lighting device also comprises Telescopic lamp rack, and described Switching Power Supply comprises the three-phase resonate converter with interphase reactor transformer.
Further, its topological structure is: comprise input voltage Uin, former limit and secondary and all have tapped transformer T, and there are 3 groups of vice-side winding, switch element S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, diode D1, D2, D3, D4, D5, D6, D7, D8, inductance L 1, L2, L3.Above-mentioned switch element can be IGBT, and diode is fast recovery diode.
Concrete annexation is: comprise input voltage Uin, former limit and secondary and all have tapped transformer T, switch element S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, diode D1, D2, D3, D4, D5, D6, D7, D8, inductance L 1, L2, L3 and controller, described each switching tube has antiparallel parasitic diode and parasitic capacitance, described transformer T has 3 vice-side winding, first vice-side winding is N3, N4, second vice-side winding is N5, N6, and the 3rd vice-side winding is N7, N8;
Further, the different name end of former limit winding centre tap the first half winding connects the anode of diode D1, the Same Name of Ends of former limit winding centre tap the latter half winding connects the anode of diode D2, the Same Name of Ends of former limit winding centre tap the first half winding N1 is connected with the anode of input voltage Uin with the tie point of the different name end of former limit winding centre tap the latter half winding N2, and the negative terminal of input voltage Uin connects the negative electrode of diode D1, D2;
Further, the first structure exporting phase is: the collector electrode of anode connecting valve element S1, S3 of input voltage Uin, the emitter of negative terminal connecting valve element S2, S4 of input voltage Uin; The emitter of switch element S1 connects the anode of diode D3, the negative electrode of diode D3 connects the Same Name of Ends of first vice-side winding centre tap the first half winding, the different name end of first vice-side winding centre tap the first half winding N3 is connected with the Same Name of Ends of first vice-side winding centre tap the latter half winding N4, and its tie point is connected with one end of inductance L 1, the different name end of first vice-side winding centre tap the latter half winding is connected with the anode of diode D4, the collector electrode of the negative electrode connecting valve element S2 of diode D4; The emitter of switch element S3 is connected with the collector electrode of switch element S4, and the other end of its tie point and inductance L 1 and load are connected;
Further, the second structure exporting phase is: the collector electrode of anode connecting valve element S5, S7 of input voltage Uin, the emitter of negative terminal connecting valve element S6, S8 of input voltage Uin; The emitter of switch element S5 connects the anode of diode D5, the negative electrode of diode D5 connects the Same Name of Ends of second vice-side winding centre tap the first half winding, the different name end of second vice-side winding centre tap the first half winding N5 is connected with the Same Name of Ends of second vice-side winding centre tap the latter half winding N6, and its tie point is connected with one end of inductance L 2, the different name end of second vice-side winding centre tap the latter half winding is connected with the anode of diode D6, the collector electrode of the negative electrode connecting valve element S6 of diode D6; The emitter of switch element S7 is connected with the collector electrode of switch element S8, and the other end of its tie point and inductance L 2 and load are connected;
Further, the 3rd structure exporting phase is: the collector electrode of anode connecting valve element S9, S11 of input voltage Uin, the emitter of negative terminal connecting valve element S10, S12 of input voltage Uin; The emitter of switch element S9 connects the anode of diode D7, the negative electrode of diode D7 connects the Same Name of Ends of the 3rd vice-side winding centre tap the first half winding, the different name end of the 3rd vice-side winding centre tap the first half winding N7 is connected with the Same Name of Ends of the 3rd vice-side winding centre tap the latter half winding N8, and its tie point is connected with one end of inductance L 3, the different name end of the 3rd vice-side winding centre tap the latter half winding is connected with the anode of diode D8, the collector electrode of the negative electrode connecting valve element S10 of diode D8; The emitter of switch element S11 is connected with the collector electrode of switch element S12, and the other end of its tie point and inductance L 3 and load are connected; Controller control switch S1 and S2 alternate conduction, S3 and S4 alternate conduction, S5 and S6 alternate conduction, S7 and S8 alternate conduction, S9 and S10 alternate conduction, S11 and S12 alternate conduction, each output is mutually by resonance circuit that the stray capacitance of respective inductance L 1, L2, L3 and each switch element is formed, the each switch element of conducting when the terminal voltage of each switch element is 0, thus it is open-minded to realize no-voltage.
Further, described switching tube is IGBT or MOSFET.
Further, described input voltage is storage battery, fuel cell or photovoltaic cell.
Further, described each diode is fast recovery diode or Schottky diode.
Further, described load is three-phase alternating current load or rectified three-phase circuit.
Further, described Telescopic lamp rack comprises two foundation bars and two push rods, and described lamp socket inside is goed deep in two described bottom bar bottoms, is hinged in the middle part of two described push rods, all hinged push rod in top of every foundation bar, and push rod top is hinged on described lamp holder bottom; Described lamp socket is the cube cell body of top end opening, and rotating shaft is side walls hinged through two ends in the middle part of described lamp socket and described lamp socket, and one end of rotating shaft is connected with zigzag bar.
Further, the bottom of two described bottom bars is positioned at the both sides of described rotating shaft, is connected with pull rope between described bottom bar bottom and described rotating shaft, and the side outer wall being provided with in a zigzag bar at lamp socket is provided with hook, zigzag bar is provided with lanyard and link, and link coordinates with hook.
Further, described in every root, the both sides, bottom of bottom bar are all provided with slide bar, and the bottom of two sidewalls be connected with described rotating shaft in described lamp socket is provided with chute, and described slide bar coordinates with described slide.
Compared with prior art, high reliability lighting device of the present invention has following advantages:
The switching frequency that the lighting device with the Switching Power Supply of the three-phase resonate converter of interphase reactor transformer utilizes the form of interphase reactor transformer can realize by control circuit control switch element, makes output voltage become predetermined value.
And because electric current flows through negative direction during each switching elements ON, therefore do not produce switching losses.
And because carried out resonance action, surge voltage during cut-off switch element also can not be produced.
While realizing energy feedback, utilize the parasitic capacitance of inductance and switch element to form Sofe Switch form, do not have unnecessary power capacity, its loss is low, and power density is high, can improve working life and the reliability of lighting device.
Lighting device height can main regulation, meets the requirement of different users illumination apparatus reliability and comfort under various circumstances.
Accompanying drawing explanation
Fig. 1: the structural representation of the three-phase resonate converter of the mains switch in lighting device of the present invention;
Fig. 2: the control impuls sequential chart of switch element S1, S2, S3, S4;
Fig. 3: the schematic front view of scalable lighting device of the present invention;
Fig. 4: the structure vertical view schematic diagram of the lamp socket inside of scalable lighting device of the present invention.
Wherein, 1-lamp holder, 21-push rod, 22-bottom bar, 23-slide bar, 3-lamp socket, 4-rotating shaft, 5-pull rope, 6-bar in a zigzag, 7-hook, 8-lanyard, Uin-input voltage, T-tapped transformer, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12-switch element, D1, D2, D3, D4, D5, D6, D7, D8-diode, L1, L2, L3-inductance, N1-former limit winding centre tap the first half winding, N2-former limit winding centre tap the latter half winding, N3, N4-the first vice-side winding, N5, N6-the second vice-side winding, N7, N8-the 3rd vice-side winding.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, the three-phase resonate converter of the Switching Power Supply of high reliability lighting device of the present invention comprises input voltage Uin, former limit and secondary all have tapped transformer T, switch element S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, diode D1, D2, D3, D4, D5, D6, D7, D8, inductance L 1, L2, L3 and controller, described each switching tube has antiparallel parasitic diode and parasitic capacitance, described transformer T has 3 vice-side winding, first vice-side winding is N3, N4, second vice-side winding is N5, N6, 3rd vice-side winding is N7, N8,
The different name end of former limit winding centre tap the first half winding connects the anode of diode D1, the Same Name of Ends of former limit winding centre tap the latter half winding connects the anode of diode D2, the Same Name of Ends of former limit winding centre tap the first half winding N1 is connected with the anode of input voltage Uin with the tie point of the different name end of former limit winding centre tap the latter half winding N2, and the negative terminal of input voltage Uin connects the negative electrode of diode D1, D2;
First structure exporting phase is: the collector electrode of anode connecting valve element S1, S3 of input voltage Uin, the emitter of negative terminal connecting valve element S2, S4 of input voltage Uin; The emitter of switch element S1 connects the anode of diode D3, the negative electrode of diode D3 connects the Same Name of Ends of first vice-side winding centre tap the first half winding, the different name end of first vice-side winding centre tap the first half winding N3 is connected with the Same Name of Ends of first vice-side winding centre tap the latter half winding N4, and its tie point is connected with one end of inductance L 1, the different name end of first vice-side winding centre tap the latter half winding is connected with the anode of diode D4, the collector electrode of the negative electrode connecting valve element S2 of diode D4; The emitter of switch element S3 is connected with the collector electrode of switch element S4, and the other end of its tie point and inductance L 1 and load are connected;
Second structure exporting phase is: the collector electrode of anode connecting valve element S5, S7 of input voltage Uin, the emitter of negative terminal connecting valve element S6, S8 of input voltage Uin; The emitter of switch element S5 connects the anode of diode D5, the negative electrode of diode D5 connects the Same Name of Ends of second vice-side winding centre tap the first half winding, the different name end of second vice-side winding centre tap the first half winding N5 is connected with the Same Name of Ends of second vice-side winding centre tap the latter half winding N6, and its tie point is connected with one end of inductance L 2, the different name end of second vice-side winding centre tap the latter half winding is connected with the anode of diode D6, the collector electrode of the negative electrode connecting valve element S6 of diode D6; The emitter of switch element S7 is connected with the collector electrode of switch element S8, and the other end of its tie point and inductance L 2 and load are connected;
3rd structure exporting phase is: the collector electrode of anode connecting valve element S9, S11 of input voltage Uin, the emitter of negative terminal connecting valve element S10, S12 of input voltage Uin; The emitter of switch element S9 connects the anode of diode D7, the negative electrode of diode D7 connects the Same Name of Ends of the 3rd vice-side winding centre tap the first half winding, the different name end of the 3rd vice-side winding centre tap the first half winding N7 is connected with the Same Name of Ends of the 3rd vice-side winding centre tap the latter half winding N8, and its tie point is connected with one end of inductance L 3, the different name end of the 3rd vice-side winding centre tap the latter half winding is connected with the anode of diode D8, the collector electrode of the negative electrode connecting valve element S10 of diode D8; The emitter of switch element S11 is connected with the collector electrode of switch element S12, and the other end of its tie point and inductance L 3 and load are connected;
Export for first: the first each switch element S1 ~ S4 exporting phase carries out alternate conduction and shutoff by controller according to the pulse sequence figure of Fig. 2; From circuit structure and above-mentioned pulse sequence figure, at S1, S2 blocking interval, energy in the winding of former limit feeds back to input power by diode D1, D2, and one of them conducting of controller control S3 or S4, resonance circuit is formed by the parasitic capacitance of inductance L and switching tube S1, S2, when the terminal voltage of S1, S2 is 0, conducting S1 or S2, realizes no-voltage open-minded; At S3, S4 blocking interval, one of them conducting of controller control S1 or S2, the resonance circuit formed by the parasitic capacitance of inductance L and switching tube S3, S4, conducting S3 or S4 when the terminal voltage of S3, S4 is 0, thus it is open-minded to realize no-voltage.Other two driving pulses exporting phase are according to corresponding relation advanced or delayed 120 ° respectively, and control mode and first exports similar, belongs to basic phase-shift control mode, repeats no more.
Switch element S can replace with MOSFET, and input power is chargeable storage, fuel cell or photovoltaic cell etc.Load can be three-phase alternating current load or further three phase rectifier is for DC load, and the form of rectification is all prior aries, repeats no more.
As shown in Figure 3 and Figure 4, comprise lamp socket 3 and lamp holder 1, described Telescopic lamp rack comprises two foundation bars 22 and two push rods 21, described lamp socket 3 inside is goed deep in two described bottom bar 22 bottoms, be hinged in the middle part of two described push rods 21, the all hinged push rod 21 in the top of bottom bar 22 described in every root, described push rod 21 top is hinged on described lamp holder 1 bottom;
Described lamp socket 3 is the cube cell body of top end opening, rotating shaft 4 through two ends in the middle part of described lamp socket 3 and described lamp socket 3 side walls hinged, one end of described rotating shaft 4 is connected with bar 6 in a zigzag, the bottom of two described bottom bars 22 is positioned at the both sides of described rotating shaft 4, is connected with pull rope 5 between described bottom bar 22 bottom and described rotating shaft 4.
The side outer wall being provided with described zigzag bar 6 at lamp socket 3 is provided with hook 7, and described zigzag bar 6 is provided with lanyard 8 and link, and described link coordinates with described hook 7.
Described in every root, the both sides, bottom of bottom bar 22 are all provided with slide bar 23, and the bottom of two sidewalls be connected with described rotating shaft 4 in described lamp socket 3 is provided with chute, and described slide bar 23 coordinates with described slide.
When realizing the lifting of lamp holder 1, main needs rotate bar 6 in a zigzag, drive rotating shaft 4 to rotate, and pull rope 5 is twisted in rotating shaft 4 movable rotation-shaft 4 discharges, and then the slide bar 23 realized on bottom bar 22 slides in chute, just can realize moving up and down of lamp holder 1.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, the those of ordinary skill in described field is to be understood that: still can modify to the specific embodiment of the present invention or replace on an equal basis, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a scalable lighting device, comprises lamp socket, lamp holder and Switching Power Supply, it is characterized in that, described lighting device also comprises Telescopic lamp rack, and described Switching Power Supply comprises three-phase inverter.
2. lighting device as claimed in claim 1, it is characterized in that, described three-phase inverter comprises input voltage Uin, former limit and secondary all have tapped transformer T, switch element S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, diode D1, D2, D3, D4, D5, D6, D7, D8, inductance L 1, L2, L3 and controller, described each switching tube has antiparallel parasitic diode and parasitic capacitance, described transformer T has 3 vice-side winding, first vice-side winding is N3, N4, second vice-side winding is N5, N6, 3rd vice-side winding is N7, N8,
The different name end of former limit winding centre tap the first half winding connects the anode of diode D1, the Same Name of Ends of former limit winding centre tap the latter half winding connects the anode of diode D2, the Same Name of Ends of former limit winding centre tap the first half winding N1 is connected with the anode of input voltage Uin with the tie point of the different name end of former limit winding centre tap the latter half winding N2, and the negative terminal of input voltage Uin connects the negative electrode of diode D1, D2;
First structure exporting phase is: the collector electrode of anode connecting valve element S1, S3 of input voltage Uin, the emitter of negative terminal connecting valve element S2, S4 of input voltage Uin; The emitter of switch element S1 connects the anode of diode D3, the negative electrode of diode D3 connects the Same Name of Ends of first vice-side winding centre tap the first half winding, the different name end of first vice-side winding centre tap the first half winding N3 is connected with the Same Name of Ends of first vice-side winding centre tap the latter half winding N4, and its tie point is connected with one end of inductance L 1, the different name end of first vice-side winding centre tap the latter half winding is connected with the anode of diode D4, the collector electrode of the negative electrode connecting valve element S2 of diode D4; The emitter of switch element S3 is connected with the collector electrode of switch element S4, and the other end of its tie point and inductance L 1 and load are connected;
Second structure exporting phase is: the collector electrode of anode connecting valve element S5, S7 of input voltage Uin, the emitter of negative terminal connecting valve element S6, S8 of input voltage Uin; The emitter of switch element S5 connects the anode of diode D5, the negative electrode of diode D5 connects the Same Name of Ends of second vice-side winding centre tap the first half winding, the different name end of second vice-side winding centre tap the first half winding N5 is connected with the Same Name of Ends of second vice-side winding centre tap the latter half winding N6, and its tie point is connected with one end of inductance L 2, the different name end of second vice-side winding centre tap the latter half winding is connected with the anode of diode D6, the collector electrode of the negative electrode connecting valve element S6 of diode D6; The emitter of switch element S7 is connected with the collector electrode of switch element S8, and the other end of its tie point and inductance L 2 and load are connected;
3rd structure exporting phase is: the collector electrode of anode connecting valve element S9, S11 of input voltage Uin, the emitter of negative terminal connecting valve element S10, S12 of input voltage Uin; The emitter of switch element S9 connects the anode of diode D7, the negative electrode of diode D7 connects the Same Name of Ends of the 3rd vice-side winding centre tap the first half winding, the different name end of the 3rd vice-side winding centre tap the first half winding N7 is connected with the Same Name of Ends of the 3rd vice-side winding centre tap the latter half winding N8, and its tie point is connected with one end of inductance L 3, the different name end of the 3rd vice-side winding centre tap the latter half winding is connected with the anode of diode D8, the collector electrode of the negative electrode connecting valve element S10 of diode D8; The emitter of switch element S11 is connected with the collector electrode of switch element S12, and the other end of its tie point and inductance L 3 and load are connected.
3. lighting device as claimed in claim 2, it is characterized in that, described three phase controllers control switch S1 and S2 alternate conduction, S3 and S4 alternate conduction, S5 and S6 alternate conduction, S7 and S8 alternate conduction, S9 and S10 alternate conduction, S11 and S12 alternate conduction, each output is mutually by resonance circuit that the parasitic capacitance of respective inductance L 1, L2, L3 and each switch element is formed, the each switch element of conducting when the terminal voltage of each switch element is 0, thus it is open-minded to realize no-voltage.
4. lighting device as claimed in claim 2, it is characterized in that, described switching tube is IGBT or MOSFET.
5. lighting device as claimed in claim 2, it is characterized in that, described input voltage is storage battery, fuel cell or photovoltaic cell.
6. lighting device as claimed in claim 2, it is characterized in that, described diode all adopts fast recovery diode or Schottky diode.
7. lighting device as claimed in claim 2, it is characterized in that, described load is three-phase alternating current load or rectified three-phase circuit.
8. lighting device as claimed in claim 1, it is characterized in that, described Telescopic lamp rack comprises two foundation bars and two push rods, described lamp socket inside is goed deep in two described bottom bar bottoms, be hinged in the middle part of two described push rods, the all hinged push rod in top of every foundation bar, push rod top is hinged on described lamp holder bottom; Described lamp socket is the cube cell body of top end opening, and rotating shaft is side walls hinged through two ends in the middle part of described lamp socket and described lamp socket, and one end of rotating shaft is connected with zigzag bar.
9. lighting device as claimed in claim 8, it is characterized in that, the bottom of two described bottom bars is positioned at the both sides of described rotating shaft, pull rope is connected with between described bottom bar bottom and described rotating shaft, the side outer wall being provided with in a zigzag bar at lamp socket is provided with hook, zigzag bar is provided with lanyard and link, and link coordinates with hook.
10. lighting device as claimed in claim 8, it is characterized in that, described in every root, the both sides, bottom of bottom bar are all provided with slide bar, and the bottom of two sidewalls be connected with described rotating shaft in described lamp socket is provided with chute, and described slide bar coordinates with described slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279043.2A CN104968066A (en) | 2014-12-12 | 2015-05-27 | Telescopic lighting device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014108579597 | 2014-12-12 | ||
| CN201410857959 | 2014-12-12 | ||
| CN201510279043.2A CN104968066A (en) | 2014-12-12 | 2015-05-27 | Telescopic lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104968066A true CN104968066A (en) | 2015-10-07 |
Family
ID=54221977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510279043.2A Pending CN104968066A (en) | 2014-12-12 | 2015-05-27 | Telescopic lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104968066A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1581664A (en) * | 2003-08-08 | 2005-02-16 | 立锜科技股份有限公司 | Driving circuit and method for three-phase current thansformer |
| CN101060750A (en) * | 2007-05-10 | 2007-10-24 | 宁勤胜 | Extendible HID xenon lamp semiconductor transistor intelligent control line set |
| CN101232767A (en) * | 2007-08-06 | 2008-07-30 | 葛世潮 | Wide range continuous light regulating energy-saving desk lamp without stroboflash |
| CN201547713U (en) * | 2009-10-09 | 2010-08-11 | 王剑英 | Intelligent remote-control elevating lamp |
| CN101944745A (en) * | 2010-09-06 | 2011-01-12 | 北京理工大学 | Energy storage system and control method thereof |
| US20110304275A1 (en) * | 2010-06-15 | 2011-12-15 | Tdk-Lambda Corporation | Discharge lamp lighting device |
| CN102595729A (en) * | 2012-02-21 | 2012-07-18 | 杭州亿脑智能科技有限公司 | Lamp capable of automatically changing light brightness and shape of lamp body, and adjusting method thereof |
-
2015
- 2015-05-27 CN CN201510279043.2A patent/CN104968066A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1581664A (en) * | 2003-08-08 | 2005-02-16 | 立锜科技股份有限公司 | Driving circuit and method for three-phase current thansformer |
| CN101060750A (en) * | 2007-05-10 | 2007-10-24 | 宁勤胜 | Extendible HID xenon lamp semiconductor transistor intelligent control line set |
| CN101232767A (en) * | 2007-08-06 | 2008-07-30 | 葛世潮 | Wide range continuous light regulating energy-saving desk lamp without stroboflash |
| CN201547713U (en) * | 2009-10-09 | 2010-08-11 | 王剑英 | Intelligent remote-control elevating lamp |
| US20110304275A1 (en) * | 2010-06-15 | 2011-12-15 | Tdk-Lambda Corporation | Discharge lamp lighting device |
| CN101944745A (en) * | 2010-09-06 | 2011-01-12 | 北京理工大学 | Energy storage system and control method thereof |
| CN102595729A (en) * | 2012-02-21 | 2012-07-18 | 杭州亿脑智能科技有限公司 | Lamp capable of automatically changing light brightness and shape of lamp body, and adjusting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103401461B (en) | A kind of high frequency boosting isolated inverter | |
| CN102983747A (en) | Full-bridge combined soft switching DC (direct-current) converter | |
| CN201490890U (en) | Converter capable of working in phase-shift resonance and PWM modes | |
| CN103337968B (en) | Single-stage high-frequency AC/AC converter | |
| CN102263513B (en) | AC-DC isolated conversion circuit | |
| CN201880600U (en) | High-frequency and high-voltage power supply for electric precipitator | |
| CN201018423Y (en) | Full-bridge converter for hysteresis bridge arm to implement zero voltage, null current switch | |
| CN104822211A (en) | High-reliability LED illuminating device | |
| CN102255356A (en) | Efficient uninterruptible power supply | |
| CN204733079U (en) | A kind of power amplifier power supply circuits and TV power panel | |
| CN104930437A (en) | High-efficiency extensible illumination device | |
| CN104968066A (en) | Telescopic lighting device | |
| CN204696955U (en) | A kind of photovoltaic DC-to-AC converter adopting transformer auxiliary resonance | |
| CN202565190U (en) | Photovoltaic off-grid high frequency inverter | |
| CN104848074A (en) | Height-adjustable lighting device | |
| CN104935178A (en) | Lighting device with adjustable height | |
| CN201789419U (en) | Low-voltage heavy-current output DC-DC converter | |
| CN104852585A (en) | Intelligent charging transformation device | |
| CN103501120A (en) | Capacitor type rectifying and step-down voltage regulator circuit | |
| CN204794744U (en) | Direct current switch type electric current source | |
| CN105024567A (en) | Direct current switch type current source | |
| CN106100314B (en) | A kind of three-phase crisscross parallel circuit of power factor correction | |
| CN104868752A (en) | High-efficiency multifunctional lighting device | |
| CN204068743U (en) | A kind of high-power intermediate frequency power supply device | |
| CN204652228U (en) | A kind of adjustable serial-to-parallel converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151007 |