JP2016162613A5 - - Google Patents
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- JP2016162613A5 JP2016162613A5 JP2015041012A JP2015041012A JP2016162613A5 JP 2016162613 A5 JP2016162613 A5 JP 2016162613A5 JP 2015041012 A JP2015041012 A JP 2015041012A JP 2015041012 A JP2015041012 A JP 2015041012A JP 2016162613 A5 JP2016162613 A5 JP 2016162613A5
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- JP
- Japan
- Prior art keywords
- discharge lamp
- driving
- power
- driving device
- drive
- 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.)
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- 238000000034 method Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
Claims (13)
前記放電灯駆動部を制御する制御部と、
前記放電灯の電極間電圧および前記放電灯に供給される駆動電流のうちの少なくとも一方を検出する検出部と、
を備え、
前記制御部は、
定常点灯期間において前記放電灯に第１駆動電力を供給する定常点灯駆動と、前記放電灯に前記第１駆動電力よりも大きい第２駆動電力を供給する高電力駆動と、を実行可能であり、
所定期間における前記電極間電圧の変化量と、前記所定期間における前記駆動電流の変化量とのうちの少なくとも一方に基づいて、前記高電力駆動を制御することを特徴とする放電灯駆動装置。 A discharge lamp driving unit for supplying driving power to a discharge lamp having an electrode;
A control unit for controlling the discharge lamp driving unit;
A detection unit for detecting at least one of an interelectrode voltage of the discharge lamp and a driving current supplied to the discharge lamp;
With
The controller is
A steady lighting drive that supplies the first driving power to the discharge lamp in a steady lighting period and a high power drive that supplies a second driving power larger than the first driving power to the discharge lamp can be executed.
The discharge lamp driving device that controls the high power driving based on at least one of a change amount of the interelectrode voltage in a predetermined period and a change amount of the drive current in the predetermined period.
前記高電力駆動に関する実行情報を記憶する記憶部を更に備え、
前記制御部は、前記変化量が所定値以上である場合、前記記憶部に記憶された前記高電力駆動の実行情報に基づいて前記高電力駆動を実行する、放電灯駆動装置。 The discharge lamp driving device according to claim 1,
A storage unit for storing execution information related to the high power drive;
When the amount of change is equal to or greater than a predetermined value, the control unit performs the high power driving based on the execution information of the high power driving stored in the storage unit.
前記制御部は、前記変化量が前記所定値より小さい場合、前記高電力駆動を実行しない、放電灯駆動装置。 The discharge lamp driving device according to claim 2,
The controller is a discharge lamp driving device that does not execute the high power driving when the amount of change is smaller than the predetermined value.
前記制御部は、前記放電灯が点灯開始してから、前記定常点灯駆動が行われる前記定常点灯期間に移行するまでの立上期間において、前記高電力駆動を実行するように前記放電灯駆動部を制御する、放電灯駆動装置。 The discharge lamp driving device according to claim 2 or 3,
The control unit, from said discharge lamp is started on, the in standing above period until the shift to the steady lighting period steady lighting driving is performed, the high-power drives to perform the discharge lamp driving unit A discharge lamp driving device for controlling
前記制御部は、前記定常点灯駆動が行われる前記定常点灯期間において、前記高電力駆動を実行するように前記放電灯駆動部を制御する、放電灯駆動装置。 The discharge lamp driving device according to claim 2 or 3,
The said control part is a discharge lamp drive device which controls the said discharge lamp drive part so that the said high electric power drive may be performed in the said steady lighting period in which the said steady lighting drive is performed.
前記所定期間は、所定の設定タイミングと前記所定の設定タイミングから所定時間だけ前の第１の参照タイミングとの間の期間であり、
前記制御部は、前記所定期間の前記変化量と、前記第１の参照タイミングと前記第１の参照タイミングから前記所定時間だけ前の第２の参照タイミングとの間の期間における前記変化量と、に基づいて前記高電力駆動を制御する、放電灯駆動装置。 The discharge lamp driving device according to any one of claims 1 to 5,
The predetermined period is a period between the first reference timing before a predetermined time from said predetermined set timing with a predetermined set timing,
The control unit includes the amount of change in the predetermined period, the amount of change in a period between the first reference timing and a second reference timing that is a predetermined time before the first reference timing, A discharge lamp driving device which controls the high power driving based on the above.
前記制御部は、前記変化量の大きさに応じて、前記高電力駆動による前記電極への熱負荷の大きさを調整する、放電灯駆動装置。 The discharge lamp driving device according to any one of claims 1 to 7,
The controller is a discharge lamp driving device that adjusts the size of a heat load applied to the electrode by the high power driving according to the magnitude of the change amount.
前記熱負荷の大きさは、前記高電力駆動における前記第２駆動電力の値に応じて調整される、放電灯駆動装置。 The discharge lamp driving device according to claim 7,
The discharge lamp driving device, wherein the magnitude of the thermal load is adjusted according to a value of the second driving power in the high power driving.
前記熱負荷の大きさは、前記高電力駆動において前記放電灯に供給される駆動電流の波形に応じて調整される、放電灯駆動装置。 The discharge lamp driving device according to claim 7 or 8,
The discharge lamp driving device, wherein the magnitude of the thermal load is adjusted according to a waveform of a driving current supplied to the discharge lamp in the high power driving.
前記制御部は、設定されている前記第１駆動電力が前記放電灯の定格電力よりも低い場合に前記高電力駆動を実行する、放電灯駆動装置。The said control part is a discharge lamp drive device which performs the said high electric power drive, when the said 1st drive electric power set is lower than the rated electric power of the said discharge lamp.
請求項１から１０のいずれか一項に記載の放電灯駆動装置と、
を備えることを特徴とする光源装置。 The discharge lamp emitting light;
The discharge lamp driving device according to any one of claims 1 to 10 ,
A light source device comprising:
前記光源装置から射出される光を映像信号に応じて変調する光変調素子と、
前記光変調素子により変調された光を投射する投射光学系と、
を備えることを特徴とするプロジェクター。 The light source device according to claim 11 ;
A light modulation element that modulates light emitted from the light source device according to a video signal;
A projection optical system for projecting light modulated by the light modulation element;
A projector comprising:
定常点灯期間において前記放電灯に第１駆動電力を供給する定常点灯駆動を実行するステップと、
前記放電灯に前記第１駆動電力よりも大きい第２駆動電力を供給する高電力駆動を実行するステップと、を含み、
所定期間における前記放電灯の電極間電圧の変化量と、前記所定期間における前記放電灯に供給される駆動電流の変化量とのうちの少なくとも一方に基づいて、前記高電力駆動を制御することを特徴とする放電灯駆動方法。 A discharge lamp driving method for driving the discharge lamp by supplying driving power to a discharge lamp having an electrode,
Performing steady lighting driving for supplying first driving power to the discharge lamp in a steady lighting period ;
Performing high power driving for supplying a second driving power larger than the first driving power to the discharge lamp, and
Controlling the high power driving based on at least one of a change amount of the voltage between the electrodes of the discharge lamp in a predetermined period and a change amount of the drive current supplied to the discharge lamp in the predetermined period. A discharge lamp driving method characterized by the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015041012A JP2016162613A (en) | 2015-03-03 | 2015-03-03 | Discharge lamp drive device, light source device, projector, and discharge lamp drive method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015041012A JP2016162613A (en) | 2015-03-03 | 2015-03-03 | Discharge lamp drive device, light source device, projector, and discharge lamp drive method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016162613A JP2016162613A (en) | 2016-09-05 |
| JP2016162613A5 true JP2016162613A5 (en) | 2017-11-30 |
Family
ID=56845218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015041012A Withdrawn JP2016162613A (en) | 2015-03-03 | 2015-03-03 | Discharge lamp drive device, light source device, projector, and discharge lamp drive method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2016162613A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10295893B2 (en) | 2016-03-23 | 2019-05-21 | Seiko Epson Corporation | Discharge lamp driving device, light source device, projector, and discharge lamp driving method |
| JP6939523B2 (en) * | 2017-12-25 | 2021-09-22 | セイコーエプソン株式会社 | Discharge light drive device, light source device, projector, and discharge light drive method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3794415B2 (en) * | 2003-06-25 | 2006-07-05 | 松下電工株式会社 | Discharge lamp lighting device and projector |
| JP5194467B2 (en) * | 2007-02-02 | 2013-05-08 | 岩崎電気株式会社 | High pressure discharge lamp lighting device, projector and lighting method of high pressure discharge lamp |
| JP6155619B2 (en) * | 2012-12-17 | 2017-07-05 | セイコーエプソン株式会社 | Projector and projection system |
-
2015
- 2015-03-03 JP JP2015041012A patent/JP2016162613A/en not_active Withdrawn
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