WO2000056126A1 - Lampe eclair au xenon, et douille et redresseur pour lampe eclair au xenon - Google Patents
Lampe eclair au xenon, et douille et redresseur pour lampe eclair au xenon Download PDFInfo
- Publication number
- WO2000056126A1 WO2000056126A1 PCT/JP2000/001581 JP0001581W WO0056126A1 WO 2000056126 A1 WO2000056126 A1 WO 2000056126A1 JP 0001581 W JP0001581 W JP 0001581W WO 0056126 A1 WO0056126 A1 WO 0056126A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power supply
- trigger
- diodes
- xenon flash
- rectifier circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
Definitions
- Xenon flash light source device socket for xenon flash light source device and alignment
- the present invention relates to a xenon flash light source device, a socket for the xenon flash light source device, and a rectifier.
- a xenon flash light source device has been used as a light source for a spectroscopic analyzer or an emission analyzer, or as a light source for a strobe or a light source for high image processing.
- the xenon flash light source device is composed of a light-emitting section composed of a lamp and a power supply circuit, a trigger power section, a cover covering the trigger power section, and a main power section.
- the lamp is provided with a cathode and an anode facing each other, a trigger probe is provided between the cathode and the anode, and a spar force is provided near the cathode.
- the trigger probe In the xenon flash light source device, when a trigger voltage pulse is applied by the trigger power supply to the trigger probe and the spa power while a predetermined voltage is applied between the cathode and the anode by the main power supply, the trigger probe is discharged. A main discharge of the arc is generated between the cathode and the anode with this discharge. If a trigger voltage pulse flows into the main power supply during light emission, the lamp may not emit light properly or cause a failure.To prevent this, a diode is connected to the circuit between the main power supply and the light-emitting unit. I have. Disclosure of the invention
- a large current of 40 OA flows through the power supply path from the main power supply to the lamp in order to cause the lamp of the xenon flash light source device to emit light.
- This causes a problem that the diode generates heat and the temperature rises. there were. That is, a metal material connected to a semiconductor material is also used as a component in the diode. If the current flowing through the diode is small, there is no or very little heat generated by the resistance of this metal material. Although it can be ignored, when a large current of 40 OA is passed, the resistance of the metal material cannot be ignored and heat is generated.
- This heat further increases the resistance of the metal material, further increasing the temperature and consequently causing the temperature of the entire diode (package) to rise and the allowable current of the diode to decrease. Since the diode provided in the power supply path is housed in a small socket, it is not easy to cool the heated diode, and damage to other circuit components housed in the socket due to the heat generated by the diode. Will be caused. Also, continuous use of the xenon flash light source device results in damage to the diode itself.
- an object of the present invention is to provide a xenon flash light source device and a socket for a xenon flash light source device configured to suppress a temperature rise due to heat generation of a diode.
- a xenon flash light source device includes: a light emitting unit in which an anode, a cathode, and a trigger probe are incorporated in a container in which xenon gas is sealed; a main power supply unit that applies a voltage to the anode and the cathode; A trigger power supply for applying a trigger voltage for controlling the trigger probe to the trigger probe, and a power supply path between the main power supply and the light emitting unit, so that a direction in which a current flows from the main power supply to the light emitting unit is a forward direction. And a rectifier circuit connected to the rectifier circuit, wherein the rectifier circuit is configured by connecting at least two diodes in parallel.
- diodes When diodes are used in parallel in this way, when the current starts to flow, the current flows through one diode due to the difference in its characteristics.However, current flows through the diode, generating heat and increasing the resistance. If the resistance value of another diode is equal to or higher than that of another diode, current flows to another diode.
- the amount of current is automatically adjusted between the diodes connected in parallel because the resistance value of the diodes changes greatly due to heat generation. By doing so, the current is spread over each diode.
- at least two diodes may be connected in series to at least one parallel path provided with the diodes. By connecting the diodes in series in this manner, the voltage applied to each diode can be reduced.
- the socket for a xenon flash light source is used by being attached to a lamp in which an anode, a cathode, and a trigger probe are incorporated in a container in which xenon gas is sealed, and includes a main power supply unit and a trigger power supply unit.
- the power supply circuit includes a first terminal electrically connected to an anode, a cathode, and a trigger prop, and a main power supply. And a third terminal electrically connected to the trigger power supply, and a second terminal electrically connected to the trigger power supply, and a second terminal connected to the first terminal.
- At least two diodes may be connected in series to at least one parallel path in which the diodes are provided. By connecting the diodes in series in this manner, the voltage applied to each diode can be reduced.
- FIG. 1 is a diagram showing a configuration of a power supply circuit of the xenon flash light source device of the present embodiment.
- FIG. 2 is a plan view of the lamp viewed from the light emitting window side.
- FIG. 3 is a diagram showing a rectifier circuit of the present embodiment.
- FIG. 4 is an exploded perspective view of a light emitting unit of the xenon flash light source device.
- FIG. 1 is a diagram showing a circuit configuration of a power supply of a xenon flash light source device.
- the xenon flash light source device has a light emitting section 3 having an anode 39 and a cathode 33, a main power supply section 5 for applying a voltage to the anode 39 and the cathode 33 in the light emitting section 3, and controls a light emission timing.
- a trigger power supply unit 1 for applying a trigger voltage to the trigger probes 35 and 37, each of which is connected by an input / output terminal.
- the light emitting section 3 includes a lamp 101 and a power supply circuit 102.
- the trigger power supply unit 1 will be described.
- the trigger power supply 1 has a built-in trigger power supply 13 for applying the above trigger voltage.
- a resistor 15 is connected between the plus terminal of the trigger power supply 13 and the output terminal 21 connected to the light emitting unit 3.
- the trigger capacitor 17 are connected in series.
- the negative terminal of the trigger power supply 13 is grounded and connected to the input terminal 25 connected to the light emitting unit 3.
- Between the resistor 15 and the trigger capacitor 17 and the negative terminal of the trigger power supply 13 are connected via a thyristor 19 that acts as a switch by the trigger signal input from the input terminal 11. I have.
- the main power supply unit 5 will be described.
- a resistor 55 is connected between the positive terminal of the main discharge power supply 51 for applying a voltage to the anode 39 and the cathode 33 of the light emitting unit 3 and the output terminal 59 connected to the light emitting unit 3.
- the negative terminal of the main discharge power supply 51 is grounded and serves as an input terminal 61 connected to the light emitting unit 3.
- a main capacitor 53 is connected between the resistor 55 and the output terminal 59 and between the main discharge power supply 51.
- the main capacitor 53 is provided to supply a large amount of current to the light emitting unit 3 instantaneously.
- FIG. 2 is a diagram of the lamp 101 viewed from the side of the light emitting window 100.
- An anode 39 and a cathode 33 are provided facing each other at a predetermined interval, and a trigger probe 37 and a trigger probe 35 are provided therebetween.
- the spa power 31 is provided near the cathode 33.
- the trigger probe 35 and the trigger probe 37 are electrodes for preliminary discharge having a function of stably and easily generating a main discharge of the xenon flash lamp, and the spa power 31 is a xenon flash lamp. It is an electrode that has the function of stably causing the discharge of the lamp every time.
- the number of trigger probes is two, but the number of trigger probes differs depending on the electrode interval between the anode 39 and the cathode 33. For example, when the electrode interval is 1.5 mm, the number is one, and when the electrode interval is 8 mm, the number is five.
- the trigger transformer 30 that amplifies the voltage from the trigger power supply unit 1 is formed by the coils 47 and 45 connected between the input terminal 22 and the output terminal 26 facing each other. 22 is connected to the output terminal 21 of the trigger power supply 1, and output terminal 26 is connected to the input terminal 25 of the trigger power supply 1.
- One end of the coil 45 is connected to the capacitors 43a to 43d.
- the capacitor 43a is connected to the anode 39 and the input terminal 60 connected to the main power supply 5, the capacitor 43b is connected to the trigger probe 37, and the capacitor 43c is the trigger probe 35.
- the capacitor 4 3 d is connected to the spa power 3 1.
- the anode 39 and the trigger probe 37 are connected by a resistor 41a, the trigger probe 37 and the trigger probe 35 are connected by a resistor 41b, and the trigger probe 35 and the spur force 31 are connected by a resistor. Connected by 41c and 41d. Further, between the resistors 41c and 41d and the other end of the coil 45 are connected.
- a rectifier circuit 49 which is a feature of the present embodiment, is interposed.
- the rectifier circuit 49 is connected so that the direction of the current flowing from the main power supply unit 5 to the light emitting unit 3 is forward.
- the rectifier circuit 49 has four diodes 49a A circuit comprising diodes 49a and 49b, diodes 49a and 49b, diodes 49c and 49d being connected in series with each other and having diodes 49a and 49b, respectively. Circuits having 9c and 49d are connected in parallel.
- FIG. 3 is a diagram showing the rectifier circuit 49 in the present embodiment
- FIG. 4 is an exploded perspective view of the light emitting section 3 of the xenon flash light source device.
- the rectifier circuit 49 is configured by connecting diodes 49 a to 49 d with solder as shown in FIG. It is conceivable to use one diode that can withstand a large current. However, such a diode is expensive, and the configuration of this embodiment reduces the heat generated by the diode, which is the object of the present invention. It can be easily prevented.
- the rectifier circuit 49 Since the rectifier circuit 49 is configured to suppress heat generation due to current, it is housed in a socket 105 composed of a lamp connection terminal 104 and a cover 103 as shown in Fig. 4. It is possible to The rectifier circuit 49 and the socket 105 constitute a rectifier. This rectifier is physically close (within 2 cm) and comprises first and second diodes 49a, 49c (49b, 49d) connected in parallel. The rectifier circuit 49 is housed in the socket 103. The current-voltage characteristics of the first and second diodes 49a and 49c are slightly different due to individual differences.
- a predetermined voltage is applied to the anode 39 and the cathode 33 by the main discharge power supply 51 and the main capacitor 53 is charged.
- the trigger signal is input from the terminal 11 in the trigger power supply unit 1
- the thyristor 19 is turned on, and the charge stored in the trigger capacitor 17 is output.
- a pulse voltage of 100 to 300 V is applied to the coil 47 of the trigger transformer 30 of the light emitting unit 3.
- the pulse voltage is amplified by the trigger transformer 30 and a pulse voltage of 5 to 7 kV is generated from the coil 45.
- the spa power 31 in the lamp 101 and the trigger probe 35 Trigger probe 37 and anode 39 are applied.
- a pulse current is generated by the rectifier circuit 49 and the main power supply 5 The situation that flows to the side can be prevented.
- a preliminary discharge of spa power 31 occurs, followed by a preliminary discharge of the cathode 33 and the trigger probe 35, and a preliminary discharge of the trigger probe 35 and the trigger probe 37.
- a discharge path is formed.
- a main discharge between the anode 39 and the cathode 33 occurs along the preliminary discharge path, and arc light emission occurs.
- the electric charge stored in the main capacitor 53 is output together with the current from the main power supply 51, so that the main capacitor 53 transfers the current to the anode 39.
- a current passing through the rectifier circuit 49 flows toward the rectifier circuit 49.
- the resistance value of the diode changes greatly due to heat generation, so that the amount of current automatically increases between the diodes connected in parallel.
- the current is distributed to each diode. Therefore, the current does not concentrate on only one circuit, and the temperature of the diode constituting the circuit does not rise. This prevents the rectifier circuit from being damaged due to heat generation.
- the diodes connected to the power supply path may be three or more parallel paths instead of two parallel paths.
- a rectifier circuit is connected to a power supply path from the main power supply unit to the light emitting unit to prevent application of a pulse voltage for controlling the light emission timing to the main power supply unit, but the diodes are connected in parallel.
- the current flowing in the power supply path from the main power supply unit to the light emitting unit during light emission can be distributed to each diode connected in parallel, and the diode generates heat.
- the rise in temperature can be suppressed. This can prevent the diode from being damaged due to heat generation.
- the xenon flash light source device provided with the xenon flash lamp can be used as a light source for spectral analysis, emission analysis, a strobe light source, a high image processing light source, or the like.
Landscapes
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Stroboscope Apparatuses (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU31916/00A AU3191600A (en) | 1999-03-15 | 2000-03-15 | Xenon flash lamp, and socket and rectifier for xenon flash lamp |
EP00909654A EP1178711A4 (en) | 1999-03-15 | 2000-03-15 | XENON FLASHLIGHT, AND SOCKET AND RECTIFIER FOR XENON FLASHLIGHT |
US09/951,477 US20020047613A1 (en) | 1999-03-15 | 2001-09-14 | Xenon flash light source apparatus, socket for xenon flash light source apparatus, and rectifier apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11068580A JP2000268991A (ja) | 1999-03-15 | 1999-03-15 | キセノンフラッシュ光源装置及びキセノンフラッシュ光源装置用ソケット |
JP11/68580 | 1999-03-15 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/951,477 Continuation-In-Part US20020047613A1 (en) | 1999-03-15 | 2001-09-14 | Xenon flash light source apparatus, socket for xenon flash light source apparatus, and rectifier apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000056126A1 true WO2000056126A1 (fr) | 2000-09-21 |
Family
ID=13377871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/001581 WO2000056126A1 (fr) | 1999-03-15 | 2000-03-15 | Lampe eclair au xenon, et douille et redresseur pour lampe eclair au xenon |
Country Status (5)
Country | Link |
---|---|
US (1) | US20020047613A1 (ja) |
EP (1) | EP1178711A4 (ja) |
JP (1) | JP2000268991A (ja) |
AU (1) | AU3191600A (ja) |
WO (1) | WO2000056126A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003039209A1 (fr) * | 2001-10-31 | 2003-05-08 | Hamamatsu Photonics K.K. | Circuit d'alimentation en puissance d'utilisation pour un tube a decharge flash |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4387193B2 (ja) * | 2001-11-30 | 2009-12-16 | パナソニック フォト・ライティング 株式会社 | ストロボ装置及びその製造方法 |
US7034470B2 (en) * | 2002-08-07 | 2006-04-25 | Eastman Kodak Company | Serially connecting OLED devices for area illumination |
KR20060126677A (ko) | 2004-01-29 | 2006-12-08 | 마츠시타 덴끼 산교 가부시키가이샤 | 납땜용 플럭스 및 납땜 방법 |
JP6178087B2 (ja) * | 2013-03-14 | 2017-08-09 | 浜松ホトニクス株式会社 | フラッシュ光源装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6392936A (ja) * | 1986-10-08 | 1988-04-23 | Canon Inc | 閃光装置 |
JPS6392935A (ja) * | 1986-10-08 | 1988-04-23 | Canon Inc | ストロボ装置 |
JPH032659U (ja) * | 1989-05-30 | 1991-01-11 | ||
EP0430560A2 (en) * | 1989-11-20 | 1991-06-05 | Hamamatsu Photonics K.K. | Gaseous-discharge lamp |
JPH11354073A (ja) * | 1998-06-04 | 1999-12-24 | Hamamatsu Photonics Kk | フラッシュランプ及びフラッシュランプ用トリガプローブ電極 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US2994028A (en) * | 1956-12-14 | 1961-07-25 | Ite Circuit Breaker Ltd | Current balancing reactors for rectifier elements |
GB881868A (en) * | 1957-08-22 | 1961-11-08 | Columbia Southern Chem Corp | Improvements in or relating to direct current power sources employing rectifying systems |
US3906336A (en) * | 1974-07-22 | 1975-09-16 | Gen Electric | Semiconductor valve assembly and bus arrangement for high current low voltage electric power converter |
DE2615517A1 (de) * | 1976-04-09 | 1977-10-20 | Rollei Werke Franke Heidecke | Elektronenblitzgeraet mit piezoelektrischer zuendung |
US5036177A (en) * | 1990-05-16 | 1991-07-30 | Pagliarini Jr John A | Method for reducing hazards due to low frequency electric and magnetic fields |
US5523654A (en) * | 1994-06-16 | 1996-06-04 | Tomar Electronics, Inc. | Flashtube trigger circuit with anode voltage boost feature |
ES2133920T3 (es) * | 1996-10-11 | 1999-09-16 | Lucio Falace | Procedimiento y circuito para complementar una tension de red de corriente alterna, particularmente para cargas resistivas. |
-
1999
- 1999-03-15 JP JP11068580A patent/JP2000268991A/ja active Pending
-
2000
- 2000-03-15 WO PCT/JP2000/001581 patent/WO2000056126A1/ja not_active Application Discontinuation
- 2000-03-15 AU AU31916/00A patent/AU3191600A/en not_active Abandoned
- 2000-03-15 EP EP00909654A patent/EP1178711A4/en not_active Withdrawn
-
2001
- 2001-09-14 US US09/951,477 patent/US20020047613A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6392936A (ja) * | 1986-10-08 | 1988-04-23 | Canon Inc | 閃光装置 |
JPS6392935A (ja) * | 1986-10-08 | 1988-04-23 | Canon Inc | ストロボ装置 |
JPH032659U (ja) * | 1989-05-30 | 1991-01-11 | ||
EP0430560A2 (en) * | 1989-11-20 | 1991-06-05 | Hamamatsu Photonics K.K. | Gaseous-discharge lamp |
JPH11354073A (ja) * | 1998-06-04 | 1999-12-24 | Hamamatsu Photonics Kk | フラッシュランプ及びフラッシュランプ用トリガプローブ電極 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1178711A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003039209A1 (fr) * | 2001-10-31 | 2003-05-08 | Hamamatsu Photonics K.K. | Circuit d'alimentation en puissance d'utilisation pour un tube a decharge flash |
US7081718B2 (en) | 2001-10-31 | 2006-07-25 | Hamamatsu Photonics K.K. | Power supply circuit for flash discharge tube |
US7545104B2 (en) | 2001-10-31 | 2009-06-09 | Hamamatsu Photonics K.K. | Power supply circuit for flash discharge tube |
Also Published As
Publication number | Publication date |
---|---|
US20020047613A1 (en) | 2002-04-25 |
AU3191600A (en) | 2000-10-04 |
EP1178711A1 (en) | 2002-02-06 |
EP1178711A4 (en) | 2003-06-18 |
JP2000268991A (ja) | 2000-09-29 |
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