CN101355843B - Electricity saver for cold light source - Google Patents
Electricity saver for cold light source Download PDFInfo
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- CN101355843B CN101355843B CN2008101445524A CN200810144552A CN101355843B CN 101355843 B CN101355843 B CN 101355843B CN 2008101445524 A CN2008101445524 A CN 2008101445524A CN 200810144552 A CN200810144552 A CN 200810144552A CN 101355843 B CN101355843 B CN 101355843B
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Abstract
In order to solve the technical problems of reducing the electric power consumption of a cold light source and prolonging the service life thereof, the invention provides an electricity saver for the cold light source. The electricity saver comprises a central controller, a transformer, a relay assembly, a thyristor control circuit, a voltage input detection circuit and a current output detection circuit, wherein the input end of a power supply of the transformer used for controlling the load power supply voltage is connected with the input end of a live wire of the commercial power, the output end of the power supply of the transformer is connected with the terminal of the load live wire; the voltage input detection circuit used for detecting the voltage of the commercial power is connected with the detecting end of the voltage of the central controller, and the current output detection circuit used for detecting the load current is connected with the detecting end of the load current of the central controller; the control output end of the central controller is connected with the control input of the thyristor control circuit, and the output end of the control power supply of the thyristor control circuit is connected with the input end of the control power supply of the relay assembly; and the control output end of the relay assembly is connected with the control input end of the power supply of the transformer.
Description
Technical field
The present invention relates to a kind of electricity saver for cold light source.
Background technology
At present, the fluorescent lamp of installing in most of houses (cold light source a kind of) all is directly it to be connected in parallel in the electrical network, and the voltage at fluorescent lamp two ends fluctuates along with the fluctuation of line voltage; When line voltage increases; The power consumption of fluorescent lamp just increases along with the increase of line voltage, so with the passage of time, certainly will cause the significant wastage of electric energy; And quicken the aging of fluorescent lamp, shorten its useful life.
Summary of the invention
Technical problem to be solved by this invention provides a kind of electricity saver for cold light source that can reduce the cold light source power consumption and prolong its useful life.
For solving the problems of the technologies described above, electricity saver for cold light source of the present invention comprises: central controller, transformer, relay group and thyristor control circuit; The power of transformer input termination civil power hot terminal that is used for the control load supply power voltage, power of transformer output termination load hot terminal; The control output end of central controller links to each other with the control input end of thyristor control circuit, and the control power output end of thyristor control circuit links to each other with the control power input of relay group; The control output end of relay group links to each other with the power supply control input end of transformer; Civil power zero line terminals link to each other with load zero line terminals; Be provided with cold light source between load hot terminal and the load zero line terminals, promptly said load; During the open cold light source, central controller is through the power output end output line voltage of thyristor control circuit and relay group control transformer; When cold light source got into normal operating conditions, central controller controls power of transformer output output economize on electricity voltage promptly was in electricity-saving state.
In the technique scheme, also comprise the light-coupled isolation output circuit; The control output end of central controller links to each other with the control input end of thyristor control circuit through the light-coupled isolation output circuit.
Said thyristor control circuit comprises: first one-way SCR and second one-way SCR; Said relay group comprises: first relay and second relay; Said light-coupled isolation output circuit comprises: first optocoupler and second optocoupler; The connect anode of first one-way SCR of the coil of first relay, and this series circuit constitutes first control loop between civil power hot terminal and civil power zero line terminals; The anode of coil series connection back serial connection second one-way SCR of the coil of first relay and second relay, and also this series circuit constitutes second control loop between civil power live wire input and civil power zero line terminals; The pair of control output of said central controller connects the control input end of first optocoupler and second optocoupler respectively, and the control output end of first optocoupler and second optocoupler connects the control utmost point of first one-way SCR and second one-way SCR respectively; Said power of transformer input is an end of the primary coil of transformer, and the power supply control input end of transformer is the other end of the primary coil of transformer, and the power of transformer output is a tap on the primary coil of transformer.
The present invention has positive effect: in (1) electricity saver for cold light source of the present invention, microcomputerized control and efficient inductance commutation technique are combined, through electromagnetic interaction between the inductance; Reclaim residual current and reactive power inverting each other, improve power supply quality, and the physical characteristic of utilizing cold light source (being generally gaseous discharge lamp); Suppress to exceed standard energy consumption, improve electrical appliance efficient, it is aging to delay light fixture; Can reduce the power consumption of lighting system to greatest extent, and illumination not can or very for a short time being affected, this machine adopts non-phased adjusting; Do not produce any high order harmonic component, do not pollute electrical network, belong to the economize on electricity product of environment-friendly type; And it is easy to use, quick for installation.When (2) electricity saver for cold light source of the present invention uses, be example, when it is opened, provide line voltage to guarantee its normal startup to it with the fluorescent lamp, treat that fluorescent lamp gets into normal operating conditions after, electricity-saving appliance transfers to fluorescent lamp economize on electricity voltage to be provided.The variation of uninterrupted standby current output variable of fluorescent lamp intelligent energy-saving electric appliance and line voltage input condition, the data that microprocessor is gathered according to surveillance are changed between line voltage and economize on electricity voltage in good time.As: there is new fluorescent lamp starting electricity-saving appliance will withdraw from electricity-saving state in the load circuit, provides line voltage to guarantee normal startup.And for example: the operating voltage that is lower than electricity-saving appliance when line voltage will withdraw from the work of electricity-saving state assurance fluorescent lamp normal and stable automatically.
Description of drawings
Fig. 1 is the circuit block diagram of electricity saver for cold light source of the present invention;
Fig. 2 is the circuit theory diagrams of electricity saver for cold light source of the present invention.
Embodiment
(embodiment 1)
See Fig. 1-2; The electricity saver for cold light source of present embodiment comprises: central controller 1, drive circuit of indicator 2, transformer TB, relay group 3, thyristor control circuit 4, voltage input detecting circuit 5, electric current output detection circuit 6 and light-coupled isolation output circuit 7.
Central controller 1 can adopt single-chip microcomputer U1 or other intelligent controllers.
See Fig. 1, the load wiring end of electricity saver for cold light source (being load hot terminal L and load zero line terminals N ') is used to be connected cold light source 8.The power input that is used for the transformer TB of control load supply power voltage meets civil power live wire input A, and the power output end of transformer TB meets load hot terminal L; The voltage signal output end that is used to detect the voltage input detecting circuit 5 of line voltage links to each other with the voltage detecting end of central controller 1, and the current signal output end that is used to detect the electric current output detection circuit 6 of load current links to each other with the load current test side of central controller 1; The control output end of central controller 1 links to each other through the control input end of light-coupled isolation output circuit 7 with thyristor control circuit 4.The control power output end of thyristor control circuit 4 links to each other with the control power input of relay group 3; The control output end of relay group 3 links to each other with the power supply control input end of transformer TB.
During open cold light source 8, central controller 1 is through power output end output line voltage, the i.e. alternating current 220V of thyristor control circuit 4 and relay group 3 control transformer TB.
When cold light source 8 got into normal operating conditions, the power output end output economize on electricity voltage (exchanging the arbitrary value between the 150-190V) of central controller 1 control transformer TB promptly was in electricity-saving state.
When central controller 1 recorded current line voltage and is lower than preset low voltage value (for example: exchange 180V) through voltage input detecting circuit 5, the power output end of central controller 1 control transformer TB was exported current line voltage, promptly withdraws from electricity-saving state.
See Fig. 2; The power input of said transformer TB is an end of the primary coil of transformer TB; The power supply control input end of transformer TB is the other end of the primary coil of transformer TB; The power output end of transformer TB is a tap on the primary coil of transformer TB, and this tap links to each other with load hot terminal L.
Electric current output detection circuit 6 comprises: current transformer (not shown, it links to each other with plug CT) and the signal amplification circuit that links to each other with current transformer (it comprises discharge circuit U8A); The signal output part of signal amplification circuit connects the load current test side of said central controller 1.
When central controller 1 is in electricity-saving state; When if the magnitude of current that central controller 1 records load wiring end output through electric current output detection circuit 6 increases 1.5 to 2 times suddenly; Judge that promptly said load wiring end has the cold light source 8 of new access to begin to start; The power output end output line voltage of central controller 1 control transformer TB promptly withdraws from electricity-saving state.
See Fig. 2, said thyristor control circuit 4 comprises: the first one-way SCR Q4 and the second one-way SCR Q5; Said relay group 3 comprises: first relay K 1 and second relay K 2; Light-coupled isolation output circuit 7 comprises the first optocoupler U4 and the second optocoupler U5.
The connect anode of the first one-way SCR Q4 of the coil KM1 of first relay K 1, and this series circuit constitutes first control loop between civil power live wire input A and civil power zero line terminals N; The anode of the coil KM2 series connection back serial connection second one-way SCR Q5 of the coil KM1 of first relay K 1 and second relay K 2, and this series circuit constitutes second control loop between civil power live wire input A and civil power zero line terminals N.
The pair of control output of central controller 1 connects the control input end of the first optocoupler U4 and the second optocoupler U5 respectively, and the control output end of the first optocoupler U4 and the second optocoupler U5 connects the control utmost point (being the control input end of thyristor control circuit 4) of the first one-way SCR Q4 and the second one-way SCR Q5 respectively.
See Fig. 2; When central controller 1 is controlled the first optocoupler U4 conducting; The first one-way SCR Q4 gets triggering and conducting, causes the said first control loop conducting, thereby makes the other end of said primary coil unsettled; The said tap of civil power hot terminal A on primary coil directly provides line voltage to load hot terminal L, and electricity-saving appliance is supplied power to cold light source 8 with line voltage.
When central controller 1 is controlled the second optocoupler U5 conducting; The second one-way SCR Q5 gets triggering and conducting; Cause the said second control loop conducting; Thereby the other end of said primary coil is linked to each other with said civil power zero line terminals N, and the said tap on the primary coil is a load hot terminal L output economize on electricity voltage, and electricity-saving appliance is supplied power to cold light source with economize on electricity voltage.
Said economize on electricity magnitude of voltage has the determining positions of said tap on primary coil on the primary coil.
Drive circuit of indicator 2 links to each other with the indicator light control output end of central controller 1, and the power supply output of drive circuit of indicator 2 is connected to indicator light, and it comprises the LED of red, green two kinds of colors.
About the state demonstration of indicator light and the corresponding relation of ruuning situation, as shown in the table:
| State shows | Ruuning situation |
| Send out a warning | Electricity-saving appliance output line voltage, not economize on electricity |
| Green light is bright | Electricity-saving appliance output economize on electricity voltage is in electricity-saving state |
| Red light does not work | Wrong or the electricity-saving appliance self of wiring breaks down |
| Green light does not work | Discontented podomere electricity condition |
| All do not work | Wrong or the electricity-saving appliance self of wiring breaks down |
Cold light source of the present invention comprises: fluorescent lamp, super bright light-emitting diode group, LCD light source product etc.
Claims (6)
1. an electricity saver for cold light source comprises: central controller (1), transformer (TB), relay group (3), thyristor control circuit (4) and light-coupled isolation output circuit (7);
The power input that is used for the transformer (TB) of control load supply power voltage connects civil power hot terminal (A), and the power output end of transformer (TB) connects load hot terminal (L);
The control output end of central controller (1) links to each other with the control input end of thyristor control circuit (4), and the control power output end of thyristor control circuit (4) links to each other with the control power input of relay group (3); The control output end of relay group (3) links to each other with the power supply control input end of transformer (TB);
Civil power zero line terminals (N) and load zero line terminals (N ') link to each other; Be provided with cold light source (8), promptly said load between load hot terminal (L) and the load zero line terminals (N ');
During open cold light source (8), central controller (1) is through the power output end output line voltage of thyristor control circuit (4) and relay group (3) control transformer (TB); When cold light source (8) got into normal operating conditions, the power output end of central controller (1) control transformer (TB) output economize on electricity voltage promptly was in electricity-saving state;
The control output end of central controller (1) links to each other through the control input end of light-coupled isolation output circuit (7) with thyristor control circuit (4);
Said thyristor control circuit (4) comprising: first one-way SCR (Q4) and second one-way SCR (Q5); Said relay group (3) comprising: first relay (K1) and second relay (K2); Said light-coupled isolation output circuit (7) comprising: first optocoupler (U4) and second optocoupler (U5);
The anode of coil (KM1) series connection first one-way SCR (Q4) of first relay (K1), and this series circuit constitutes first control loop between civil power hot terminal (A) and civil power zero line terminals (N); The anode of the coil (KM1) of first relay (K1) and the coil (KM2) of second relay (K2) series connection back serial connection second one-way SCR (Q5), and this series circuit constitutes second control loop between civil power live wire input (A) and civil power zero line terminals (N);
The pair of control output of said central controller (1) connects the control input end of first optocoupler (U4) and second optocoupler (U5) respectively, and the control output end of first optocoupler (U4) and second optocoupler (U5) connects the control utmost point of first one-way SCR (Q4) and second one-way SCR (Q5) respectively;
The power input of said transformer (TB) is an end of the primary coil of transformer (TB); The power supply control input end of transformer (TB) is the other end of the primary coil of transformer (TB), and the power output end of transformer (TB) is a tap on the primary coil of transformer (TB).
2. electricity saver for cold light source according to claim 1 is characterized in that: also comprise the voltage input detecting circuit (5) that is used to detect line voltage; The voltage signal output end of voltage input detecting circuit (5) links to each other with the voltage detecting end of central controller (1);
When central controller (1) recorded current line voltage and is lower than preset low voltage value through voltage input detecting circuit (5), the power output end of central controller (1) control transformer (TB) was exported current line voltage, promptly withdraws from electricity-saving state.
3. electricity saver for cold light source according to claim 1 is characterized in that: also comprise the electric current output detection circuit (6) that is used to detect load current; The current signal output end of electric current output detection circuit (6) links to each other with the load current test side of central controller (1);
When central controller (1) when being in electricity-saving state; When if central controller (1) records 1.5 to 2 times of the magnitude of current increases suddenly of load wiring end output through electric current output detection circuit (6); Judge that promptly said load wiring end has the cold light source of new access (8) to begin to start; The power output end output line voltage of central controller (1) control transformer (TB) promptly withdraws from electricity-saving state.
4. electricity saver for cold light source according to claim 3 is characterized in that: also comprise the drive circuit of indicator (2) that links to each other with the indicator light control output end of central controller (1), drive circuit of indicator is connected with red light and green light on (2);
When the power output end of central controller (1) control transformer (TB) was exported line voltage, it is bright that central controller (1) is only controlled red light through drive circuit of indicator (2);
When voltage was economized on electricity in the power output end output of central controller (1) control transformer (TB), central controller (1) was all bright through drive circuit of indicator (2) control red light and green light.
5. electricity saver for cold light source according to claim 3 is characterized in that: said electric current output detection circuit (6) comprising: the current transformer and the signal amplification circuit that links to each other with current transformer that are used to detect the electric current of load hot terminal (L); The current signal output end of signal amplification circuit is the current signal output end of electric current output detection circuit (6).
6. electricity saver for cold light source according to claim 1; It is characterized in that: when the conducting of central controller (1) control first optocoupler (U4); First one-way SCR (Q4) gets triggering and conducting; Cause the said first control loop conducting, thereby make the other end of said primary coil unsettled, the said tap of civil power hot terminal (A) on primary coil directly provides line voltage to load hot terminal (L);
When the conducting of central controller (1) control second optocoupler (U5); Second one-way SCR (Q5) gets triggering and conducting; Cause the said second control loop conducting; Thereby the other end of said primary coil is linked to each other with said civil power zero line terminals (N), and the said tap on the primary coil is load hot terminal (L) output economize on electricity voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101445524A CN101355843B (en) | 2008-07-21 | 2008-07-21 | Electricity saver for cold light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101445524A CN101355843B (en) | 2008-07-21 | 2008-07-21 | Electricity saver for cold light source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101355843A CN101355843A (en) | 2009-01-28 |
| CN101355843B true CN101355843B (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101445524A Expired - Fee Related CN101355843B (en) | 2008-07-21 | 2008-07-21 | Electricity saver for cold light source |
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| Country | Link |
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| CN (1) | CN101355843B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103124159A (en) * | 2013-01-24 | 2013-05-29 | 珠海市蓝德节能科技有限公司 | Alternating current dynamo electricity saving control method and dynamo electricity saving device implementing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182423Y (en) * | 1993-11-01 | 1994-11-09 | 吕宏东 | Alternating current voltage-stabilized source |
| CN1668159A (en) * | 2005-02-03 | 2005-09-14 | 程涛 | Intelligent electricity-saving device for lighting supply source |
| CN101102630A (en) * | 2006-07-07 | 2008-01-09 | 陈汉湘 | Intelligent light time controller and control method for outdoor spotlight |
-
2008
- 2008-07-21 CN CN2008101445524A patent/CN101355843B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182423Y (en) * | 1993-11-01 | 1994-11-09 | 吕宏东 | Alternating current voltage-stabilized source |
| CN1668159A (en) * | 2005-02-03 | 2005-09-14 | 程涛 | Intelligent electricity-saving device for lighting supply source |
| CN101102630A (en) * | 2006-07-07 | 2008-01-09 | 陈汉湘 | Intelligent light time controller and control method for outdoor spotlight |
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| Publication number | Publication date |
|---|---|
| CN101355843A (en) | 2009-01-28 |
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Addressee: Hu Yan Document name: Notification of Passing Examination on Formalities |
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Effective date of registration: 20170612 Address after: 311106, No. 8, energy and environment industrial park, 536 downwind Road, Qianjiang Economic Development Zone, Zhejiang, Hangzhou Patentee after: Hangzhou Ke Feng Electronics Co., Ltd. Address before: 325600 No. 63 HSBC Road, Zhejiang, Yueqing Patentee before: Zhejiang Kefeng Electronics Co., Ltd. |
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Granted publication date: 20120425 Termination date: 20190721 |
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