CN102170740A - Power saving device of high-pressure discharge lamp - Google Patents
Power saving device of high-pressure discharge lamp Download PDFInfo
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- CN102170740A CN102170740A CN2010105685524A CN201010568552A CN102170740A CN 102170740 A CN102170740 A CN 102170740A CN 2010105685524 A CN2010105685524 A CN 2010105685524A CN 201010568552 A CN201010568552 A CN 201010568552A CN 102170740 A CN102170740 A CN 102170740A
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- pressure discharge
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- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
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- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000005693 optoelectronics Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
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- 229910052708 sodium Inorganic materials 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Abstract
Provided is a power saving device of a high-pressure discharge lamp, which can correct the power factor difference due to individual difference of the high-pressure discharge lamp and obtain a stable power-saving effect. The power saving rate of the high-pressure discharge lamp (13) is set through setting a circuit (15), and the zero-crossing of voltage waveform is detected through a voltage over zero detection circuit (16). Time information from voltage over zero to the connection of a TRIAC (14), time information is stored in a storage circuit (17). A control circuit (18) reads time information corresponding to the power saving rate from the storage circuit (17) to control the conduction sequential of the TRIAC (14). The zero-crossing of voltage waveform is detected through a current zero-crossing detection circuit (20) composed by a buffer circuit (21) and a bidirectional optoelectronic coupler (22). The control circuit (18) measures the time delay of the current waveform with respect to the voltage waveform based on a voltage zero-crossing signal and a current zero-crossing signal, and corrects the conduction sequential of the TRIAC (14) based on the measuring result.
Description
Technical field
The present invention relates to a kind of battery saving arrangement that is used to reduce the consumed power of high-pressure discharge lamps such as mercury vapor lamp, sodium vapor lamp.
Background technology
Known in the past a kind of battery saving arrangement that uses power control member.For example, battery saving arrangement 51 shown in Figure 6 is provided with the triac (TRIAC) 54 as power control member between AC power 52 and high-pressure discharge lamp 53.By the power saving rate of initialization circuit 55 setting high-pressure discharge lamps 53, measure the zero passage (zero cross) that circuit 56 detects voltage waveforms by voltage zero-cross.In memory circuit 57, store the temporal information till beginning to connect from the zero passage of voltage waveform in advance to TRIAC 54.
Patent documentation 1:JP spy opens the 2009-277500 communique
Yet, in the existing battery saving arrangement 51, if because of the individual difference of high-pressure discharge lamp 53 causes the power factor difference, corresponding to this, the off time change of arc discharge.For example, the such current waveform of discharge lamp A as shown in Figure 8 is little with respect to the time of delay of voltage waveform, when power factor is big, the discharge off time is elongated, and as discharge lamp B the time of delay of current waveform big, power factor hour, the off time of discharging shortens.Therefore, also following problem can occur although control a plurality of discharge lamps 53 with identical power saving rate: amount of electricity saving is different according to discharge lamp 53, sometimes the power savings that can't obtain to expect.
In addition,, play a role, when bringing into use device, high-pressure discharge lamp 53 need be connected with AC power 52, in advance the power of instrumentation "on" position in order to make adjustment circuit 62 according to existing battery saving arrangement 61.Thereby, must prepare special-purpose measuring instrument for instrumentation power, the initial stage when being provided with is adjusted very bothersome.In addition, carry out the method that the power instrumentation is controlled economize on electricity while also considered installation power measuring circuit in battery saving arrangement, still, this moment, the circuit formation and the control program of battery saving arrangement became complicated.
Summary of the invention
Therefore, the object of the present invention is to provide and a kind ofly proofreaied and correct the difference of the power factor that the individual difference because of high-pressure discharge lamp causes, always obtained the device of stable power savings by simple and formation at a low price.
In order to address the above problem, the present invention passes through to control the conducting sequential of the power control member that is connected with high-pressure discharge lamp, the consumed power of reducing high-pressure discharge lamp, and device of the present invention is characterised in that the following means that adopted.
(1) battery saving arrangement of high-pressure discharge lamp is characterised in that, comprises control circuit, and the current waveform of this control circuit instrumentation AC power is with respect to the time of delay of voltage waveform, and according to the instrumentation conducting sequential of corrected power control element as a result.
In the battery saving arrangement of (1) described high-pressure discharge lamp, it is characterized in that (2) comprise the circuit of the zero passage that detects voltage waveform and the circuit that detects the zero passage of current waveform, the control circuit instrumentation is from the time difference of the zero cross signal of two testing circuit inputs.
In the battery saving arrangement of (2) described high-pressure discharge lamp, it is characterized in that (3) circuit that detects the zero passage of current waveform comprises: the buffer circuit that is connected in parallel with power control member; And the bi-directional light electric coupling that is connected in series with buffer circuit.
According to battery saving arrangement of the present invention, according to current waveform with respect to voltage waveform time of delay the corrected power control element the conducting sequential, therefore can suppress the change of the amount of electricity saving that the difference because of power factor causes, obtain always stable power savings.
In addition, come instrumentation time of delay, therefore need not to use special-purpose measuring instrument, relatively save trouble when adjusting in the early stage according to the zero passage of voltage waveform and current waveform.
Especially, the current over-zero testing circuit can be by buffer circuit and bi-directional light electric coupling and simple and qurer constitutes.
Description of drawings
Fig. 1 is the block diagram of the battery saving arrangement of expression an embodiment of the invention.
Fig. 2 is the flow chart of the action of expression battery saving arrangement.
Fig. 3 is the oscillogram of expression instrumentation current waveform with respect to the action of the time of delay of voltage waveform.
Fig. 4 is the oscillogram of the action of the expression zero passage that detects current waveform.
Fig. 5 be the expression current waveform through the time oscillogram that changes.
Fig. 6 is the block diagram of the existing battery saving arrangement of expression.
Fig. 7 is the block diagram of existing another battery saving arrangement of expression.
Fig. 8 is the oscillogram of the action of the existing battery saving arrangement of expression.
Embodiment
Following with reference to the description of drawings embodiments of the present invention.As shown in Figure 1, the battery saving arrangement 11 of this execution mode comprises: as the TRIAC 14 of power control member, control supplies to the power of high-pressure discharge lamp 13 from AC power 12; Control circuit 18, the conducting sequential of control TRIAC 14; Initialization circuit 15 has the dial (omitting diagram) of the power saving rate that is used to set high-pressure discharge lamp 13; Voltage zero-crossing detection circuit 16, the zero passage of detection voltage waveform; And memory circuit 17, storage begins to connect temporal information till (turn-on) to TRIAC 14 from the zero passage of voltage waveform.
Be connected with the current over-zero testing circuit 20 of the zero passage that is used to detect current waveform at the two ends of TRIAC 14.Current over-zero testing circuit 20 comprises buffer circuit 21 that is connected in parallel with TRIAC 14 and the bi-directional light electric coupling 22 that is connected in series with buffer circuit 21.In buffer circuit 21, be provided with and be used to absorb high-tension capacitor C and the resistance R that produces along with the switch motion of TRIAC 14.In Fig. 1, the 23rd, the stabilizer of high-pressure discharge lamp 13, the 24th, power supply side terminal, the 25th, load side terminal.
Next with reference to the action of Fig. 2～Fig. 5 declarative section electric installation 11.As shown in Figure 2, after high-pressure discharge lamp 13 energized, control circuit 18 is at first carried out start up process (S1), to TRIAC 14 output initiating signals, high-pressure discharge lamp 13 is lit a lamp.
Then, control circuit 18 as shown in Figure 3, obtain from the voltage zero-crossing signal of voltage zero-crossing detection circuit 16 inputs with from the time difference between the current zero-crossing signal of current over-zero testing circuit 20 inputs, the instrumentation current waveform is with respect to the time of delay (S2) of voltage waveform.
At this moment, in current over-zero testing circuit 20, as shown in Figure 4, follow the change in voltage of TRIAC 14, in the capacitor C of buffer circuit 21, produce and discharge and recharge bi-directional light electric coupling 22 this charging and discharging currents of detection and output current zero cross signals.
Next, control circuit 18 standby till lighting a lamp of high-pressure discharge lamp 13 is in stable condition (S3).As shown in Figure 5, after discharge lamp 13 had just been lit a lamp, current waveform had postponed 90 ° approximately with respect to voltage waveform, but after initial current reduces, discharge lamp 13 becomes stable state, the phase place of current waveform is (current over-zero is to the voltage zero-cross side shifting) in advance, stablizes with about 50 °～70 ° delay.Utilize this phenomenon, with time difference of voltage and current zero-crossing signal and the phase retardation when stable relatively, thereby can judge the state of lighting a lamp of discharge lamp 13.
Light a lamp when in stable condition time difference of the zero cross signal of inscribing when control circuit 18 is determined this and as the sequential corrected value (S4) of TRIAC 14.Then, read the power saving rate set by dial operation (for example 0%～40%) from initialization circuit 15 and (S5), read and this power saving rate time information corresponding, proofread and correct the conducting sequential (S6) of TRIAC 14 with the sequential corrected value from memory circuit 17.And output drive signal under the conducting sequential after the correction is connected TRIAC 14 (S7).
Afterwards, the monitor current zero cross signal, whether normally carries out the affirmation (S8) of lighting a lamp of high-pressure discharge lamp 13 by judging TRIAC 14.During TRIAC 14 normallies, confirm lighting a lamp of discharge lamp 13, turn back to step S5, continue the conducting sequential of control TRIAC 14.When TRIAC14 did not have normally, therefore the possibility that exists discharge lamp 13 to extinguish turned back to step S1, carries out and restarts processing.
In addition, in the above-described embodiment the dial operating and setting by initialization circuit 15 power saving rate, but also can constitute, by wireless or wired transmission circuit is set, and can pass through the power saving rate of the high-pressure discharge lamp 13 that remote controller, computer settings be provided with in a plurality of positions in battery saving arrangement.In addition, the invention is not restricted to above-mentioned execution mode, can be in the scope that does not break away from purport of the present invention the formation and the enforcement of each one of appropriate change.
Claims (3)
1. the battery saving arrangement of a high-pressure discharge lamp, the conducting sequential of the power control member that is connected with high-pressure discharge lamp by control, the consumed power of reducing high-pressure discharge lamp is characterized in that,
Comprise control circuit, the current waveform of this control circuit instrumentation AC power is with respect to the time of delay of voltage waveform, and the conducting sequential of proofreading and correct above-mentioned power control member according to the instrumentation result.
2. the battery saving arrangement of high-pressure discharge lamp according to claim 1 is characterized in that,
Comprise the circuit of the zero passage that detects voltage waveform and the circuit that detects the zero passage of current waveform, above-mentioned control circuit instrumentation is from the time difference of the zero cross signal of two testing circuit inputs.
3. the battery saving arrangement of high-pressure discharge lamp according to claim 2 is characterized in that,
The circuit of the zero passage of above-mentioned detection current waveform comprises: the buffer circuit that is connected in parallel with power control member; And the bi-directional light electric coupling that is connected in series with buffer circuit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-043067 | 2010-02-26 | ||
| JP2010043067A JP5578546B2 (en) | 2010-02-26 | 2010-02-26 | High pressure discharge lamp power saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102170740A true CN102170740A (en) | 2011-08-31 |
Family
ID=44491672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105685524A Pending CN102170740A (en) | 2010-02-26 | 2010-11-29 | Power saving device of high-pressure discharge lamp |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5578546B2 (en) |
| CN (1) | CN102170740A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200750A (en) * | 2015-05-05 | 2016-12-07 | 佛山市顺德区美的电热电器制造有限公司 | Power factor regulating circuit and cooking apparatus |
| CN111405715A (en) * | 2020-04-03 | 2020-07-10 | 宁波科尔维特照明有限公司 | Silicon controlled rectifier dimming system and dimming method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017009774A (en) * | 2015-06-22 | 2017-01-12 | 富士ゼロックス株式会社 | Image forming apparatus |
| JP7374637B2 (en) * | 2019-07-12 | 2023-11-07 | キヤノン株式会社 | Power control device and image forming device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033957U (en) * | 1988-02-09 | 1989-03-08 | 李仁纲 | Power factor compensating apparatus with computer |
| CN2582258Y (en) * | 2002-12-04 | 2003-10-22 | 王祥培 | Energy-saving device for motor |
| CN101056064A (en) * | 2005-06-01 | 2007-10-17 | 河村电器产业株式会社 | Power saving apparatus |
| CN101583227A (en) * | 2008-05-14 | 2009-11-18 | 河村电器产业株式会社 | Power saving device of high intensity discharge lamp |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3584522B2 (en) * | 1995-02-28 | 2004-11-04 | 松下電工株式会社 | Lighting equipment |
| JPH09197896A (en) * | 1996-01-17 | 1997-07-31 | Ricoh Co Ltd | Image forming device |
| JP4305308B2 (en) * | 2004-07-14 | 2009-07-29 | パナソニック電工株式会社 | Light control device |
-
2010
- 2010-02-26 JP JP2010043067A patent/JP5578546B2/en not_active Expired - Fee Related
- 2010-11-29 CN CN2010105685524A patent/CN102170740A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2033957U (en) * | 1988-02-09 | 1989-03-08 | 李仁纲 | Power factor compensating apparatus with computer |
| CN2582258Y (en) * | 2002-12-04 | 2003-10-22 | 王祥培 | Energy-saving device for motor |
| CN101056064A (en) * | 2005-06-01 | 2007-10-17 | 河村电器产业株式会社 | Power saving apparatus |
| CN101583227A (en) * | 2008-05-14 | 2009-11-18 | 河村电器产业株式会社 | Power saving device of high intensity discharge lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200750A (en) * | 2015-05-05 | 2016-12-07 | 佛山市顺德区美的电热电器制造有限公司 | Power factor regulating circuit and cooking apparatus |
| CN111405715A (en) * | 2020-04-03 | 2020-07-10 | 宁波科尔维特照明有限公司 | Silicon controlled rectifier dimming system and dimming method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5578546B2 (en) | 2014-08-27 |
| JP2011181273A (en) | 2011-09-15 |
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Application publication date: 20110831 |