JP2015191784A5 - - Google Patents
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- JP2015191784A5 JP2015191784A5 JP2014068250A JP2014068250A JP2015191784A5 JP 2015191784 A5 JP2015191784 A5 JP 2015191784A5 JP 2014068250 A JP2014068250 A JP 2014068250A JP 2014068250 A JP2014068250 A JP 2014068250A JP 2015191784 A5 JP2015191784 A5 JP 2015191784A5
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- Prior art keywords
- discharge lamp
- driving
- period
- output
- 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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- 238000001816 cooling Methods 0.000 claims 20
- 230000000051 modifying Effects 0.000 claims 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims 3
- 229910052753 mercury Inorganic materials 0.000 claims 3
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000003287 optical Effects 0.000 claims 1
Claims (14)
前記放電灯に駆動電力を供給する放電灯駆動部と、
前記放電灯を冷却する冷却部と、
前記冷却部を制御する制御部と、
を備え、
前記放電灯駆動部は、前記放電灯に第１駆動電力が供給される第１駆動期間と、前記放電灯に前記第１駆動電力よりも小さい第２駆動電力が供給される第２駆動期間と、前記第１駆動期間から前記第２駆動期間へと移行する移行期間と、を設け、
前記制御部は、
前記駆動電力に比例する第１出力で前記冷却部を駆動する第１出力駆動と、前記駆動電力に対して前記第１出力よりも大きい第２出力で前記冷却部を駆動する第２出力駆動と、を実行可能であり、
前記第１駆動期間の少なくとも一部と前記第２駆動期間の少なくとも一部とにおいて、前記第１出力駆動を実行し、
前記移行期間の少なくとも一部において、前記第２出力駆動を実行することを特徴とする光源装置。 A discharge lamp that emits light;
A discharge lamp driving unit for supplying driving power to the discharge lamp;
A cooling section for cooling the discharge lamp;
A control unit for controlling the cooling unit;
With
The discharge lamp driving unit includes a first driving period in which a first driving power is supplied to the discharge lamp, and a second driving period in which a second driving power smaller than the first driving power is supplied to the discharge lamp; , a transition period of transition from the first drive period to said second drive period, the provided
The controller is
A first output drive for driving the cooling unit with a first output proportional to the drive power; and a second output drive for driving the cooling unit with a second output greater than the first output with respect to the drive power; Is feasible, and
Performing the first output drive in at least a part of the first drive period and at least a part of the second drive period;
The light source device is characterized in that the second output drive is executed in at least a part of the transition period.
前記放電灯に駆動電力を供給する放電灯駆動部と、
前記放電灯を冷却する冷却部と、
前記放電灯駆動部及び前記冷却部を制御する制御部と、
を備え、
前記放電灯駆動部は、前記放電灯に第１駆動電力が供給される第１駆動期間と、前記放電灯に前記第１駆動電力よりも小さい第２駆動電力が供給される第２駆動期間と、前記第１駆動期間から前記第２駆動期間へと移行する移行期間と、を設け、
前記制御部は、
前記駆動電力に比例する第１出力で前記冷却部を駆動する第１出力駆動と、前記駆動電力に対して前記第１出力よりも大きい第２出力で前記冷却部を駆動する第２出力駆動と、を実行可能であり、
前記第１駆動期間の少なくとも一部と前記第２駆動期間の少なくとも一部とにおいて、前記第１出力駆動を実行し、
前記第２駆動電力に基づいて、前記移行期間の少なくとも一部において、前記第２出力駆動の実行の有無を判断することを特徴とする光源装置。 A discharge lamp that emits light;
A discharge lamp driving unit for supplying driving power to the discharge lamp;
A cooling section for cooling the discharge lamp;
A control unit for controlling the discharge lamp driving unit and the cooling unit;
With
The discharge lamp driving unit includes a first driving period in which a first driving power is supplied to the discharge lamp, and a second driving period in which a second driving power smaller than the first driving power is supplied to the discharge lamp; , a transition period of transition from the first drive period to said second drive period, the provided
The controller is
A first output drive for driving the cooling unit with a first output proportional to the drive power; and a second output drive for driving the cooling unit with a second output greater than the first output with respect to the drive power; Is feasible, and
Performing the first output drive in at least a part of the first drive period and at least a part of the second drive period;
A light source device that determines whether or not the second output drive is executed in at least a part of the transition period based on the second drive power.
前記移行期間の少なくとも一部における前記第２出力駆動の前記第２出力は、前記第１駆動期間における前記第１出力駆動の前記第１出力と等しい、光源装置。 The light source device according to claim 1 or 2,
Said second output of said second output driver in at least a portion of the transition period, equal to the first output of your Keru the first output driving said first drive period, the light source device.
前記移行期間の少なくとも一部における前記第２出力駆動の前記第２出力は、前記第１駆動期間における前記第１出力駆動の前記第１出力よりも大きい、光源装置。 The light source device according to claim 1 or 2,
Said second output of said second output driver in at least a portion of the transition period is greater than the contact Keru said first output of said first output driver to the first drive period, the light source device.
前記第２出力は、前記第２駆動電力に基づいて設定される、光源装置。 The light source device according to claim 1 or 2,
The light source device, wherein the second output is set based on the second driving power.
前記第２出力は、周囲の温度に基づいて設定される、光源装置。 The light source device according to claim 1 or 2,
The light source device, wherein the second output is set based on an ambient temperature.
前記第２出力駆動は、前記移行期間と前記第２駆動期間とにまたがって実行される、光源装置。 The light source device according to any one of claims 1 to 6,
The second output drive is a light source device that is executed across the transition period and the second drive period.
前記第２出力駆動の実行時間は、前記第２駆動電力に基づいて設定される、光源装置。 The light source device according to any one of claims 1 to 7,
An execution time of the second output drive is set based on the second drive power.
前記放電灯は、内部に水銀が封入された放電灯本体を備え、
前記制御部は、前記放電灯本体の放電灯温度が、前記第２駆動期間において前記第１出力駆動が実行された場合に維持される前記放電灯温度より低くなるように前記第２出力駆動を実行する、光源装置。 The light source device according to any one of claims 1 to 8,
The discharge lamp includes a discharge lamp body in which mercury is sealed.
The controller controls the second output drive so that a discharge lamp temperature of the discharge lamp main body is lower than the discharge lamp temperature maintained when the first output drive is executed in the second drive period. A light source device to execute.
前記放電灯は、内部に水銀が封入された放電灯本体を備え、
前記制御部は、前記放電灯本体の放電灯温度が、前記水銀の凝縮温度以下となるように前記第２出力駆動を実行する、光源装置。 The light source device according to any one of claims 1 to 9,
The discharge lamp includes a discharge lamp body in which mercury is sealed.
The said control part is a light source device which performs a said 2nd output drive so that the discharge lamp temperature of the said discharge lamp main body may be below the condensation temperature of the mercury.
前記制御部は、前記移行期間の少なくとも一部において、前記放電灯に前記第２駆動電力よりも小さい第３駆動電力を供給する、光源装置。 The light source device according to any one of claims 1 to 10,
The control unit is a light source device that supplies a third driving power smaller than the second driving power to the discharge lamp in at least a part of the transition period.
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 any one of claims 1 to 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:
前記放電灯に第１駆動電力が供給される第１駆動期間と、前記放電灯に前記第１駆動電力よりも小さい第２駆動電力が供給される第２駆動期間と、前記第１駆動期間から前記第２駆動期間へと移行する移行期間と、が設けられ、
前記第１駆動期間の少なくとも一部と前記第２駆動期間の少なくとも一部とにおいて、前記駆動電力に比例する第１出力で前記冷却部を駆動するステップと、
前記移行期間の少なくとも一部において、前記駆動電力に対して前記第１出力よりも大きい第２出力で前記冷却部を駆動するステップと、
を備えることを特徴とする放電灯の冷却方法。 A discharge lamp cooling method comprising: a discharge lamp that emits light; a discharge lamp driving unit that supplies driving power to the discharge lamp; and a cooling unit that cools the discharge lamp,
Wherein a first driving period of the first driving power is supplied to the discharge lamp, and a second drive period in which the second driving power smaller than the first driving power prior Symbol discharge lamp is supplied, before Symbol first driving A transition period transitioning from a period to the second driving period is provided ,
Driving the cooling unit with a first output proportional to the driving power in at least part of the first driving period and at least part of the second driving period;
Driving the cooling unit with a second output larger than the first output with respect to the driving power in at least a part of the transition period ; and
The method of cooling the discharge lamp, characterized in that it comprises a.
前記放電灯に第１駆動電力が供給される第１駆動期間と、前記放電灯に前記第１駆動電力よりも小さい第２駆動電力が供給される第２駆動期間と、前記第１駆動期間から前記第２駆動期間へと移行する移行期間と、が設けられ、
前記第１駆動期間の少なくとも一部と前記第２駆動期間の少なくとも一部とにおいて、前記駆動電力に比例する第１出力で前記冷却部を駆動するステップと、
前記第２駆動電力に基づいて、前記移行期間の少なくとも一部において、前記駆動電力に対して前記第１出力よりも大きい第２出力による前記冷却部の駆動の有無を判断するステップと、
を備えることを特徴とする放電灯の冷却方法。 A discharge lamp cooling method comprising: a discharge lamp that emits light; a discharge lamp driving unit that supplies driving power to the discharge lamp; and a cooling unit that cools the discharge lamp,
Wherein a first driving period of the first driving power is supplied to the discharge lamp, and a second drive period in which the second driving power smaller than the first driving power prior Symbol discharge lamp is supplied, before Symbol first driving A transition period transitioning from a period to the second driving period is provided ,
Driving the cooling unit with a first output proportional to the driving power in at least part of the first driving period and at least part of the second driving period;
Determining, based on the second driving power, whether or not the cooling unit is driven by a second output that is larger than the first output with respect to the driving power in at least a part of the transition period ;
The method of cooling the discharge lamp, characterized in that it comprises a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014068250A JP6326908B2 (en) | 2014-03-28 | 2014-03-28 | Light source device, projector, and cooling method of discharge lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014068250A JP6326908B2 (en) | 2014-03-28 | 2014-03-28 | Light source device, projector, and cooling method of discharge lamp |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015191784A JP2015191784A (en) | 2015-11-02 |
| JP2015191784A5 true JP2015191784A5 (en) | 2017-04-06 |
| JP6326908B2 JP6326908B2 (en) | 2018-05-23 |
Family
ID=54426122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014068250A Expired - Fee Related JP6326908B2 (en) | 2014-03-28 | 2014-03-28 | Light source device, projector, and cooling method of discharge lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6326908B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04147291A (en) * | 1990-10-11 | 1992-05-20 | Matsushita Electric Ind Co Ltd | Cooling control device |
| WO2012023169A1 (en) * | 2010-08-16 | 2012-02-23 | Ｎｅｃディスプレイソリューションズ株式会社 | Image display device and light source cooling method |
| WO2012025986A1 (en) * | 2010-08-24 | 2012-03-01 | Ｎｅｃディスプレイソリューションズ株式会社 | Image display device and light source cooling method |
-
2014
- 2014-03-28 JP JP2014068250A patent/JP6326908B2/en not_active Expired - Fee Related
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