JP2021047985A5 - - Google Patents
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- JP2021047985A5 JP2021047985A5 JP2019167934A JP2019167934A JP2021047985A5 JP 2021047985 A5 JP2021047985 A5 JP 2021047985A5 JP 2019167934 A JP2019167934 A JP 2019167934A JP 2019167934 A JP2019167934 A JP 2019167934A JP 2021047985 A5 JP2021047985 A5 JP 2021047985A5
- Authority
- JP
- Japan
- Prior art keywords
- mouthpiece
- end surface
- outer end
- surface portion
- ventilation
- 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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- 238000009423 ventilation Methods 0.000 claims 19
- 238000007789 sealing Methods 0.000 claims 8
- 238000001816 cooling Methods 0.000 claims 5
- 239000011888 foil Substances 0.000 claims 2
- 238000009751 slip forming Methods 0.000 claims 2
- 238000007664 blowing Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Claims (6)
前記口金の外端面部と前記封止部の外端面との間には、内部空間が形成され、
前記口金の外端面部は、前記内部空間に冷却風を流入出させる通風口を有し、
前記通風口は、前記口金の外端面部に複数形成され、
前記複数の通風口のうち少なくとも一つ以上が流入用通風口であり、
前記流入用通風口の最大長さを画定する線分の長さが、前記口金の外端面部に対向して配置される送風口の最大長さを画定する線分の長さより小さいことを特徴とするショートアーク型放電ランプ。 A short arc having a light emitting tube in which a sealing portion is continuously formed at one end of a light emitting portion and a mouthpiece into which the sealing portion is inserted and fixed, and a foil seal structure is formed in the sealing portion. It is a type discharge lamp
An internal space is formed between the outer end surface portion of the mouthpiece and the outer end surface portion of the sealing portion.
The outer end surface portion of the mouthpiece has a ventilation port for allowing cooling air to flow in and out of the internal space.
A plurality of the ventilation openings are formed on the outer end surface portion of the mouthpiece, and the ventilation openings are formed.
At least one of the plurality of ventilation openings is an inflow ventilation port.
The length of the line segment defining the maximum length of the inflow vent is smaller than the length of the line segment defining the maximum length of the air outlet arranged facing the outer end surface portion of the mouthpiece. Short arc type discharge lamp.
前記口金の外端面部と前記封止部の外端面との間には、内部空間が形成され、
前記口金の外端面部は、前記内部空間に冷却風を流入出させる通風口を有し、
前記通風口は、前記口金の外端面部に複数形成され、
前記複数の通風口は、前記口金の外周面と同軸の仮想円に沿って配置されており、
前記複数の通風口のうち少なくとも一つ以上が流入用通風口であり、
前記流入用通風口と重なる前記仮想円の円弧の長さの合計が、前記口金の外端面部に対向して配置される送風口と重なる前記仮想円の円弧より小さいことを特徴とするショートアーク型放電ランプ。 A short arc having a light emitting tube in which a sealing portion is continuously formed at one end of a light emitting portion and a mouthpiece into which the sealing portion is inserted and fixed, and a foil seal structure is formed in the sealing portion. It is a type discharge lamp
An internal space is formed between the outer end surface portion of the mouthpiece and the outer end surface portion of the sealing portion.
The outer end surface portion of the mouthpiece has a ventilation port for allowing cooling air to flow in and out of the internal space.
A plurality of the ventilation openings are formed on the outer end surface portion of the mouthpiece, and the ventilation openings are formed.
The plurality of ventilation openings are arranged along a virtual circle coaxial with the outer peripheral surface of the base.
At least one of the plurality of ventilation openings is an inflow ventilation port.
A short circuit characterized in that the total length of the arcs of the virtual circle overlapping the inflow vent is smaller than the arc of the virtual circle overlapping the air outlets arranged facing the outer end surface portion of the mouthpiece. Arc type discharge lamp.
前記流出用通風口と重なる前記仮想円の円弧の長さの合計が、前記口金の外端面部に対向して配置される排出口と重なる前記仮想円の円弧の長さの合計より小さいことを特徴とする請求項３に記載のショートアーク型放電ランプ。 At least one of the plurality of ventilation openings is an outflow ventilation port.
The total length of the arcs of the virtual circle overlapping the outflow ventilation port is smaller than the total length of the arcs of the virtual circle overlapping the discharge port arranged facing the outer end surface portion of the mouthpiece. The short arc type discharge lamp according to claim 3 .
前記ショートアーク型放電ランプの前記口金を保持するランプ保持部と、
前記口金の前記外端面部の前記通風口を介して前記内部空間に冷却風を流入出させる送風機構とを備えることを特徴とする光照射装置。 The short arc type discharge lamp according to any one of claims 1 to 4 .
A lamp holding portion that holds the base of the short arc type discharge lamp, and a lamp holding portion.
A light irradiation device including a ventilation mechanism for allowing cooling air to flow in and out of the internal space through the ventilation port on the outer end surface portion of the mouthpiece.
The light irradiation device according to claim 5 , wherein each of the lamp holding portions has a ventilation port for blowing cooling air and an exhaust port for discharging cooling air, which are arranged so as to communicate with the ventilation port.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019167934A JP7251420B2 (en) | 2019-09-17 | 2019-09-17 | SHORT ARC DISCHARGE LAMP AND LIGHT RADIATION DEVICE |
| PCT/JP2020/027318 WO2021053945A1 (en) | 2019-09-17 | 2020-07-14 | Short-arc discharge lamp and light radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019167934A JP7251420B2 (en) | 2019-09-17 | 2019-09-17 | SHORT ARC DISCHARGE LAMP AND LIGHT RADIATION DEVICE |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021047985A JP2021047985A (en) | 2021-03-25 |
| JP2021047985A5 true JP2021047985A5 (en) | 2022-03-18 |
| JP7251420B2 JP7251420B2 (en) | 2023-04-04 |
Family
ID=74878585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019167934A Active JP7251420B2 (en) | 2019-09-17 | 2019-09-17 | SHORT ARC DISCHARGE LAMP AND LIGHT RADIATION DEVICE |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7251420B2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3606149B2 (en) | 2000-02-01 | 2005-01-05 | ウシオ電機株式会社 | Light source device |
-
2019
- 2019-09-17 JP JP2019167934A patent/JP7251420B2/en active Active
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