CN204350424U - High Power Factor plant illumination electricity-saving lamp - Google Patents
High Power Factor plant illumination electricity-saving lamp Download PDFInfo
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- CN204350424U CN204350424U CN201520004710.1U CN201520004710U CN204350424U CN 204350424 U CN204350424 U CN 204350424U CN 201520004710 U CN201520004710 U CN 201520004710U CN 204350424 U CN204350424 U CN 204350424U
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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
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- 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
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Abstract
The utility model discloses a kind of High Power Factor plant illumination electricity-saving lamp, it comprises trichromatic energy saving fluorescent tube and high power factor circuit, high power factor circuit comprise be electrically connected successively current rectifying and wave filtering circuit, power transformation road, power factor school, self-exciting starting circuit, drive circuit and load circuit; Power transformation road, power factor school comprises electric capacity C4, electric capacity C5, diode D5, diode D10, diode D11 and diode D14; Electric capacity C4 one end is electrically connected to current rectifying and wave filtering circuit and diode D10 one end, and its other end is electrically connected to diode D11 one end and diode D5 one end; The diode D10 other end is electrically connected to diode D14 one end and electric capacity C5 one end; The electric capacity C5 other end is electrically connected to the diode D5 other end, self-exciting starting circuit and current rectifying and wave filtering circuit; The junction of diode D11 and diode D14 is provided with the first node, and the first node is electrically connected to trichromatic energy saving fluorescent tube.The utility model decreases harmonic content, reduces electric current, achieves low-loss.
Description
Technical field
The utility model relates to circuit field, particularly relates to a kind of High Power Factor plant illumination electricity-saving lamp.
Background technology
China 21 century previous decade progressively trichromatic energy saving fluorescent tube is applied in modern agricultural production field, due to it have that energy consumption is low, the life-span long and also can also according to crop need regulate light quality, light quantity, promote that crop production is grown, significantly improve yield and quality, therefore, the concern of people is just more and more received.
In alternating current circuit, the product of voltage effective value and current effective value is apparent power, and active power is the part in apparent power; Power factor is the active power of fluorescent tube and the ratio of apparent power, and power factor is low, then the harmonic content in electric current is higher, and produce electrical network and pollute, destroy the degree of balance of electrical network, reactive loss increases.The electricity-saving lamp power of existing below 25W is less, therefore little on the impact of electrical network, and International Electrotechnical Commission (IEC) not Seeking Truth High Power Factor, only requires that the triple-frequency harmonics in electric current is less than or equal to 86%.
But at present for the electricity-saving lamp of plant illumination, in order to improve brightness value, all adopting the electricity-saving lamp of low power factor more than high power 40W, being illustrated in figure 1 existing low power factor circuit diagram; Current harmonics is very large; Power factor is too low, will ensure that electricity-saving lamp normally works with larger electric current, and meanwhile on transmission line, transmission current increases, thus causes Joule heat loss on circuit to increase; In addition, the voltage drop on the resistance of transmission line and on the internal resistance of source, is all directly proportional to the electric current in electricity-saving lamp, and increase electric current must increase the loss of voltage at transmission line and power source internal.
Therefore use the electricity-saving lamp of low power factor more than high power 40W on a large scale, a large amount of harmonic waves must be produced, harmonic wave has the harm of differing in size to all electric equipments being connected to electrical network such as engine, transformer, motor, capacitors, main manifestations is for producing harmonic wave supplementary load loss, make the ageing of insulation of the overheated and harmonic wave overvoltage acceleration equipment of apparatus overload, harmonic current makes the copper loss of transformer increase, and causes local overheating, vibration, noise increase, the additional heating of winding etc.; Harmonic pollution also can increase the loss of the transmission lines such as cable.And harmonic pollution has impact to communication quality; When current harmonics component is higher, the overvoltage protection of relaying protection, the misoperation of overcurrent protection may be caused.
Therefore, the power factor of raising electricity-saving lamp, can reduce transmission current, and then reduces the power loss on transmission line, because during the work of any power equipment always in certain rated voltage and rated current limit; Operating voltage overrate, can threaten the insulation property of equipment; Operating current overrate, can make device interior temperature rise so high, thus reduce the useful life of equipment.Therefore for the problems referred to above, be necessary to design a kind of High Power Factor plant illumination electricity-saving lamp to make up above-mentioned defect.
Utility model content
For addressing the aforementioned drawbacks, the utility model proposes a kind of High Power Factor plant illumination electricity-saving lamp, which reducing harmonic content, reduce electric current, achieve low-loss, correspondingly reduce the electric cost expenditure of user, alleviate the harm of harmonic current to transformer and other equipment.
The technical solution of the utility model is achieved in that
The utility model discloses a kind of High Power Factor plant illumination electricity-saving lamp, it comprises trichromatic energy saving fluorescent tube and high power factor circuit, high power factor circuit comprise be electrically connected successively current rectifying and wave filtering circuit, power transformation road, power factor school, self-exciting starting circuit, drive circuit and load circuit; Trichromatic energy saving fluorescent tube is electrically connected on load circuit; Power transformation road, power factor school comprises electric capacity C4, electric capacity C5, diode D5, diode D10, diode D11 and diode D14; Electric capacity C4 one end is electrically connected to current rectifying and wave filtering circuit and diode D10 one end, and its other end is electrically connected to diode D11 one end and diode D5 one end; Diode D10 one end is electrically connected to self-exciting starting circuit further, and its other end is electrically connected to diode D14 one end and electric capacity C5 one end; The electric capacity C5 other end is electrically connected to the diode D5 other end, self-exciting starting circuit and current rectifying and wave filtering circuit, and the junction ground connection of diode D5 and current rectifying and wave filtering circuit; The diode D11 other end is electrically connected with the diode D14 other end, and the junction of diode D11 and diode D14 is provided with the first node, and the first node is electrically connected to trichromatic energy saving fluorescent tube.
Wherein, current rectifying and wave filtering circuit comprises full-wave rectifying circuit and electric capacity C1; Full-wave rectifying circuit comprises diode D1, diode D2, diode D3 and diode D4; Diode D1 one end is electrically connected on power supply one output, electric capacity C1 one end and diode D3 one end; The diode D1 other end is electrically connected to electric capacity C4 one end and diode D2 one end; Diode D4 one end is electrically connected to another output of power supply, the electric capacity C1 other end and the diode D2 other end; The diode D4 other end is electrically connected to the diode D3 other end and the diode D5 other end, and the junction ground connection of diode D4 and diode D5.
Wherein, between power supply one output and electric capacity C1 one end, be electrically connected with fuse FU further, between another output of power supply and the electric capacity C1 other end, be electrically connected with filter inductance L1.
Wherein, self-exciting starting circuit comprises resistance R1, resistance R8, diode DB3, diode D8, electric capacity C7 and electric capacity C6; Resistance R1 one end is electrically connected to diode D10 one end and electric capacity C7 one end, and its other end is electrically connected to resistance R8 one end; The resistance R8 other end is electrically connected to electric capacity C6 one end, diode D8 one end and diode DB3 one end; The electric capacity C6 other end is electrically connected to electric capacity C5 one end and drive circuit; The diode DB3 other end is electrically connected to drive circuit; The diode D8 other end is electrically connected to the electric capacity C7 other end and drive circuit; Electric capacity C7 one end is electrically connected to drive circuit further.
Wherein, drive circuit comprises transformer T1, transformer T2, transformer T3, resistance R3, resistance R4, resistance R6, resistance R7, diode D6, diode D7, diode D12, diode D17, triode Q1 and triode Q2; Transformer T1 one end is electrically connected to the electric capacity C7 other end, the diode D8 other end and transformer T3 one end, and its other end is electrically connected to resistance R3 one end; The resistance R3 other end is electrically connected to the base stage of diode D6 one end and triode Q1; The diode D6 other end is electrically connected to the emitter of resistance R6 one end and triode Q1; The resistance R6 other end is electrically connected to the collector electrode of triode Q2; The collector electrode of triode Q1 is electrically connected to electric capacity C7 one end and diode D12 one end; Diode D12 one end is electrically connected to load circuit further, and the diode D12 other end is electrically connected to diode D7 one end; The diode D7 other end is electrically connected to resistance R4 one end and load circuit; The resistance R4 other end is electrically connected to the emitter of diode D17 one end and triode Q2; Transformer T2 one end is electrically connected to the electric capacity C6 other end, diode D7 one end and resistance R4 one end, and its other end is electrically connected to resistance R7 one end; The resistance R7 other end is electrically connected to the base stage of the diode D17 other end and triode Q2; And the base stage of triode Q2 is electrically connected to the diode DB3 other end further; The diode D7 other end, the transformer T3 other end are all electrically connected to load circuit.
Wherein, load circuit comprises starting circuit, electric capacity C2, electric capacity C3 and inductance L 2; Starting circuit comprises electric capacity C8, electric capacity C9, diode D13 and diode D15; Trichromatic energy saving fluorescent tube one end is electrically connected to the first node, and its other end is electrically connected to inductance L 2 one end, electric capacity C8 one end and diode D15 one end; Inductance L 2 other end is electrically connected to transformer T3; Electric capacity C2 one end is electrically connected to the diode D7 other end, and its other end is electrically connected to electric capacity C3 one end, electric capacity C8 one end and diode D13 one end; The electric capacity C3 other end is electrically connected to diode D12 one end; The electric capacity C8 other end is electrically connected to the junction of inductance L 2 and trichromatic energy saving fluorescent tube; The diode D13 other end is electrically connected to electric capacity C9 one end; The electric capacity C9 other end is electrically connected to the diode D15 other end; And the junction of the D13 other end of diode and electric capacity C9 one end is provided with the second node, the junction of the electric capacity C9 other end and the diode D15 other end is provided with the 3rd node, second node is electrically connected to trichromatic energy saving fluorescent tube one end, and the 3rd node is electrically connected to the trichromatic energy saving fluorescent tube other end.
Compared with prior art, tool has the following advantages the utility model:
(1) by improving power factor, decreasing the capacity of the electric component (as transformer, electric equipment, wire etc.) in circuit in total current and electric power system, therefore not only decreasing investment cost, and reduce the loss of electric energy own.
(2) by good merit guaranteeing because of value, thus reduce the loss of voltage in electric power system, load voltage can be made more stable, improve the quality of electric energy.
(3) nargin of electric power system can be increased, excavated the potentiality of power supply unit; When existing equipment capacity is constant, can power factor of energy-saving lamp be improved, increase the capacity of electric power system load.
(4) electric current reduces, and low-loss, correspondingly reduces the electric cost expenditure of user.
(5) reduce harmonic content, alleviate the harm of harmonic current to transformer and other equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of existing low power factor circuit;
Fig. 2 is the schematic diagram of the utility model high power factor circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
With reference to Fig. 2, the utility model discloses a kind of High Power Factor plant illumination electricity-saving lamp, it comprises trichromatic energy saving fluorescent tube and high power factor circuit, high power factor circuit comprise be electrically connected successively current rectifying and wave filtering circuit 1, power transformation road, power factor school 2, self-exciting starting circuit 3, drive circuit 4 and load circuit 5; Trichromatic energy saving fluorescent tube is electrically connected on load circuit; Power transformation road, power factor school comprises electric capacity C4, electric capacity C5, diode D5, diode D10, diode D11 and diode D14; Electric capacity C4 one end is electrically connected to current rectifying and wave filtering circuit and diode D10 one end, and its other end is electrically connected to diode D11 one end and diode D5 one end; Diode D10 one end is electrically connected to self-exciting starting circuit further, and its other end is electrically connected to diode D14 one end and electric capacity C5 one end; The electric capacity C5 other end is electrically connected to the diode D5 other end, self-exciting starting circuit and current rectifying and wave filtering circuit, and the junction ground connection of diode D5 and current rectifying and wave filtering circuit; The diode D11 other end is electrically connected with the diode D14 other end, and the junction of diode D11 and diode D14 is provided with the first node 6, first node 6 is electrically connected to trichromatic energy saving fluorescent tube.
Wherein, current rectifying and wave filtering circuit comprises full-wave rectifying circuit and electric capacity C1; Full-wave rectifying circuit comprises diode D1, diode D2, diode D3 and diode D4; Diode D1 one end is electrically connected on power supply one output, electric capacity C1 one end and diode D3 one end; The diode D1 other end is electrically connected to electric capacity C4 one end and diode D2 one end; Diode D4 one end is electrically connected to another output of power supply, the electric capacity C1 other end and the diode D2 other end; The diode D4 other end is electrically connected to the diode D3 other end and the diode D5 other end, and the junction ground connection of diode D4 and diode D5.The setting of the utility model current rectifying and wave filtering circuit, for giving power rectifier and filtering high order harmonic component, realizes AC power being become unidirectional Voltage pulsating direct-current supply supply trichromatic energy saving fluorescent tube, for trichromatic energy saving fluorescent tube provides stable power supply.
Wherein, between power supply one output and electric capacity C1 one end, be electrically connected with fuse FU further, between another output of power supply and the electric capacity C1 other end, be electrically connected with filter inductance L1.The utility model fuse FU is current insurance silk, and its effect has been overcurrent protection; The function of the utility model filter inductance L1 filters the electrostatic noise of power supply and high frequency generation.
Wherein, self-exciting starting circuit comprises resistance R1, resistance R8, diode DB3, diode D8, electric capacity C7 and electric capacity C6; Resistance R1 one end is electrically connected to diode D10 one end and electric capacity C7 one end, and its other end is electrically connected to resistance R8 one end; The resistance R8 other end is electrically connected to electric capacity C6 one end, diode D8 one end and diode DB3 one end; The electric capacity C6 other end is electrically connected to electric capacity C5 one end and drive circuit; The diode DB3 other end is electrically connected to drive circuit; The diode D8 other end is electrically connected to the electric capacity C7 other end and drive circuit; Electric capacity C7 one end is electrically connected to drive circuit further.The setting of the utility model self-exciting starting circuit, conveniently starts drive circuit works.
Wherein, drive circuit comprises transformer T1, transformer T2, transformer T3, resistance R3, resistance R4, resistance R6, resistance R7, diode D6, diode D7, diode D12, diode D17, triode Q1 and triode Q2; Transformer T1 one end is electrically connected to the electric capacity C7 other end, the diode D8 other end and transformer T3 one end, and its other end is electrically connected to resistance R3 one end; The resistance R3 other end is electrically connected to the base stage of diode D6 one end and triode Q1; The diode D6 other end is electrically connected to the emitter of resistance R6 one end and triode Q1; The resistance R6 other end is electrically connected to the collector electrode of triode Q2; The collector electrode of triode Q1 is electrically connected to electric capacity C7 one end and diode D12 one end; Diode D12 one end is electrically connected to load circuit further, and the diode D12 other end is electrically connected to diode D7 one end; The diode D7 other end is electrically connected to resistance R4 one end and load circuit; The resistance R4 other end is electrically connected to the emitter of diode D17 one end and triode Q2; Transformer T2 one end is electrically connected to the electric capacity C6 other end, diode D7 one end and resistance R4 one end, and its other end is electrically connected to resistance R7 one end; The resistance R7 other end is electrically connected to the base stage of the diode D17 other end and triode Q2; And the base stage of triode Q2 is electrically connected to the diode DB3 other end further; The diode D7 other end, the transformer T3 other end are all electrically connected to load circuit.The setting of the utility model drive circuit, the convenient trichromatic energy saving lamp works driven in load circuit.
Wherein, load circuit comprises starting circuit, electric capacity C2, electric capacity C3 and inductance L 2; Starting circuit comprises electric capacity C8, electric capacity C9, diode D13 and diode D15; Trichromatic energy saving fluorescent tube one end is electrically connected to the first node, and its other end is electrically connected to inductance L 2 one end, electric capacity C8 one end and diode D15 one end; Inductance L 2 other end is electrically connected to transformer T3; Electric capacity C2 one end is electrically connected to the diode D7 other end, and its other end is electrically connected to electric capacity C3 one end, electric capacity C8 one end and diode D13 one end; The electric capacity C3 other end is electrically connected to diode D12 one end; The electric capacity C8 other end is electrically connected to the junction of inductance L 2 and trichromatic energy saving fluorescent tube; The diode D13 other end is electrically connected to electric capacity C9 one end; The electric capacity C9 other end is electrically connected to the diode D15 other end; And the junction of the D13 other end of diode and electric capacity C9 one end is provided with the second node 7, the junction of the electric capacity C9 other end and the diode D15 other end is provided with the 3rd node 8, second node is electrically connected to trichromatic energy saving fluorescent tube one end, and the 3rd node is electrically connected to the trichromatic energy saving fluorescent tube other end.The setting of the utility model starting circuit, for generation of certain voltage with restriction and the electric current of stable trichromatic energy saving fluorescent tube, and when trichromatic energy saving lamp tube power supply undertension, add voltage to trichromatic energy saving fluorescent tube, ensure that trichromatic energy saving lamp works is stablized.
For the plant illumination electricity-saving lamp of High Power Factor plant illumination electricity-saving lamp (40W) of the present invention with the 40W of low power factor, compared by the test parameter of electric ballast performance analysis system to both, the plant illumination electricity-saving lamp input parameter of 40W low power factor and the plant lamp input parameter of 40W High Power Factor contrast as shown in table 1 below:
Table 1
| 40W low power factor | 40W High Power Factor | |
| Real available value of voltage | 222.7V | 222.6V |
| Current true virtual value | 0.304A | 0.180A |
| Power | 38.62W | 38.11W |
| Power factor | 0.571 | 0.953 |
| Frequency | 50.02Hz | 50.01Hz |
| Frequency bandwidth | 45Hz～5KHz | 45Hz～5KHz |
| Voltage peak | 310.3V | 310.5V |
| Current peak | 1.168A | 0.311A |
| Electric current start-phase | 52.0° | 23.9° |
| Current peak phase place | 57.7° | 90.0° |
| Current-termination phase place | 105.5° | 150.5° |
| The total harmonic wave of voltage | 1.5％ | 1.4％ |
| Current total harmonic | 126.0％ | 29.8％ |
Wherein, the harmonic content of the plant illumination electricity-saving lamp of 40W low power factor is as shown in table 2 below:
Table 2
Wherein, the harmonic content of the plant illumination electricity-saving lamp of 40W High Power Factor is as shown in table 3 below:
Table 3
Table 2 and table 3 are contrasted, as shown in table 4 below:
Table 4
| Harmonic number | 40W low power factor | 40W High Power Factor |
| 1 | 100.0％ | 100.0％ |
| 3 | 80.5％ | 17.5％ |
| 5 | 55.1％ | 1.3％ |
| 7 | 38.4％ | 19.0％ |
| 11 | 34.8％ | 9.7％ |
Therefore in summary: use High Power Factor plant illumination electricity-saving lamp of the present invention, its power factor improves 38.2%, and current true virtual value decreases 40.8%, and current peak decreases 73.4%, current total harmonic decreases 76.3%, significantly reduces electric current and current harmonics.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. High Power Factor plant illumination electricity-saving lamp, it is characterized in that, it comprises trichromatic energy saving fluorescent tube and high power factor circuit, high power factor circuit comprise be electrically connected successively current rectifying and wave filtering circuit, power transformation road, power factor school, self-exciting starting circuit, drive circuit and load circuit; Trichromatic energy saving fluorescent tube is electrically connected on load circuit;
Power transformation road, power factor school comprises electric capacity C4, electric capacity C5, diode D5, diode D10, diode D11 and diode D14; Electric capacity C4 one end is electrically connected to current rectifying and wave filtering circuit and diode D10 one end, and its other end is electrically connected to diode D11 one end and diode D5 one end; Diode D10 one end is electrically connected to self-exciting starting circuit further, and its other end is electrically connected to diode D14 one end and electric capacity C5 one end; The electric capacity C5 other end is electrically connected to the diode D5 other end, self-exciting starting circuit and current rectifying and wave filtering circuit, and the junction ground connection of diode D5 and current rectifying and wave filtering circuit; The diode D11 other end is electrically connected with the diode D14 other end, and the junction of diode D11 and diode D14 is provided with the first node, and the first node is electrically connected to trichromatic energy saving fluorescent tube.
2. High Power Factor plant illumination electricity-saving lamp as claimed in claim 1, it is characterized in that, current rectifying and wave filtering circuit comprises full-wave rectifying circuit and electric capacity C1; Full-wave rectifying circuit comprises diode D1, diode D2, diode D3 and diode D4; Diode D1 one end is electrically connected on power supply one output, electric capacity C1 one end and diode D3 one end; The diode D1 other end is electrically connected to electric capacity C4 one end and diode D2 one end; Diode D4 one end is electrically connected to another output of power supply, the electric capacity C1 other end and the diode D2 other end; The diode D4 other end is electrically connected to the diode D3 other end and the diode D5 other end, and the junction ground connection of diode D4 and diode D5.
3. High Power Factor plant illumination electricity-saving lamp as claimed in claim 2, is characterized in that, be electrically connected with fuse FU further between power supply one output and electric capacity C1 one end, be electrically connected with filter inductance L1 between another output of power supply and the electric capacity C1 other end.
4. High Power Factor plant illumination electricity-saving lamp as claimed in claim 3, it is characterized in that, self-exciting starting circuit comprises resistance R1, resistance R8, diode DB3, diode D8, electric capacity C7 and electric capacity C6; Resistance R1 one end is electrically connected to diode D10 one end and electric capacity C7 one end, and its other end is electrically connected to resistance R8 one end; The resistance R8 other end is electrically connected to electric capacity C6 one end, diode D8 one end and diode DB3 one end; The electric capacity C6 other end is electrically connected to electric capacity C5 one end and drive circuit; The diode DB3 other end is electrically connected to drive circuit; The diode D8 other end is electrically connected to the electric capacity C7 other end and drive circuit; Electric capacity C7 one end is electrically connected to drive circuit further.
5. High Power Factor plant illumination electricity-saving lamp as claimed in claim 4, it is characterized in that, drive circuit comprises transformer T1, transformer T2, transformer T3, resistance R3, resistance R4, resistance R6, resistance R7, diode D6, diode D7, diode D12, diode D17, triode Q1 and triode Q2; Transformer T1 one end is electrically connected to the electric capacity C7 other end, the diode D8 other end and transformer T3 one end, and its other end is electrically connected to resistance R3 one end; The resistance R3 other end is electrically connected to the base stage of diode D6 one end and triode Q1; The diode D6 other end is electrically connected to the emitter of resistance R6 one end and triode Q1; The resistance R6 other end is electrically connected to the collector electrode of triode Q2; The collector electrode of triode Q1 is electrically connected to electric capacity C7 one end and diode D12 one end; Diode D12 one end is electrically connected to load circuit further, and the diode D12 other end is electrically connected to diode D7 one end; The diode D7 other end is electrically connected to resistance R4 one end and load circuit; The resistance R4 other end is electrically connected to the emitter of diode D17 one end and triode Q2; Transformer T2 one end is electrically connected to the electric capacity C6 other end, diode D7 one end and resistance R4 one end, and its other end is electrically connected to resistance R7 one end; The resistance R7 other end is electrically connected to the base stage of the diode D17 other end and triode Q2; And the base stage of triode Q2 is electrically connected to the diode DB3 other end further; The diode D7 other end, the transformer T3 other end are all electrically connected to load circuit.
6. High Power Factor plant illumination electricity-saving lamp as claimed in claim 5, it is characterized in that, load circuit comprises starting circuit, electric capacity C2, electric capacity C3 and inductance L 2; Starting circuit comprises electric capacity C8, electric capacity C9, diode D13 and diode D15; Trichromatic energy saving fluorescent tube one end is electrically connected to the first node, and its other end is electrically connected to inductance L 2 one end, electric capacity C8 one end and diode D15 one end; Inductance L 2 other end is electrically connected to transformer T3; Electric capacity C2 one end is electrically connected to the diode D7 other end, and its other end is electrically connected to electric capacity C3 one end, electric capacity C8 one end and diode D13 one end; The electric capacity C3 other end is electrically connected to diode D12 one end; The electric capacity C8 other end is electrically connected to the junction of inductance L 2 and trichromatic energy saving fluorescent tube; The diode D13 other end is electrically connected to electric capacity C9 one end; The electric capacity C9 other end is electrically connected to the diode D15 other end; And the junction of the D13 other end of diode and electric capacity C9 one end is provided with the second node, the junction of the electric capacity C9 other end and the diode D15 other end is provided with the 3rd node, second node is electrically connected to trichromatic energy saving fluorescent tube one end, and the 3rd node is electrically connected to the trichromatic energy saving fluorescent tube other end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520004710.1U CN204350424U (en) | 2015-01-05 | 2015-01-05 | High Power Factor plant illumination electricity-saving lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520004710.1U CN204350424U (en) | 2015-01-05 | 2015-01-05 | High Power Factor plant illumination electricity-saving lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI732717B (en) * | 2020-11-26 | 2021-07-01 | 明谷農業生技股份有限公司 | Energy-saving plant lighting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI732717B (en) * | 2020-11-26 | 2021-07-01 | 明谷農業生技股份有限公司 | Energy-saving plant lighting system |
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