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WO2000066945A1 - Source lumineuse portable - Google Patents

Source lumineuse portable Download PDF

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Publication number
WO2000066945A1
WO2000066945A1 PCT/JP2000/002846 JP0002846W WO0066945A1 WO 2000066945 A1 WO2000066945 A1 WO 2000066945A1 JP 0002846 W JP0002846 W JP 0002846W WO 0066945 A1 WO0066945 A1 WO 0066945A1
Authority
WO
WIPO (PCT)
Prior art keywords
lamp
housing
lamp box
light source
source device
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.)
Ceased
Application number
PCT/JP2000/002846
Other languages
English (en)
Japanese (ja)
Inventor
Yujiro Sei
Masaki Ito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hamamatsu Photonics KK
Original Assignee
Hamamatsu Photonics KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hamamatsu Photonics KK filed Critical Hamamatsu Photonics KK
Priority to AU41458/00A priority Critical patent/AU4145800A/en
Publication of WO2000066945A1 publication Critical patent/WO2000066945A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/0271—Housings; Attachments or accessories for photometers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/0252—Constructional arrangements for compensating for fluctuations caused by, e.g. temperature, or using cooling or temperature stabilization of parts of the device; Controlling the atmosphere inside a photometer; Purge systems, cleaning devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/08—Arrangements of light sources specially adapted for photometry standard sources, also using luminescent or radioactive material

Definitions

  • the present invention relates to a portable light source device that can be brought to a work site.
  • the light source device described in this publication has means for cooling a deuterium lamp. That is, the deuterium lamp is housed in the light source block, the ventilation holes provided in the light source block are connected to the cooling fan by a ventilation tube, and the cooling air sent out from the cooling fan passes through the light source block, thereby indirectly. It is designed to cool the deuterium lamp.
  • the above-mentioned conventional light source device has been devised to cool the deuterium lamp by cooling air.However, the deuterium lamp does not always operate stably if it is simply cooled. However, excessive cooling does not provide the desired output stability. This is due to the structure of the deuterium lamp. The inside of the deuterium lamp is maintained at a low pressure of 1/100 atm, and is very susceptible to changes in the temperature of the outside air. Therefore, in the past, although the deuterium lamp was housed in the light source block, the light source block was used so as to directly contact the outside air. However, there is a problem that it is difficult to obtain a stable output characteristic of the deuterium lamp. In addition, Japanese Patent Publication No. 9-272172 discloses a xenon lamp in a lamp house that does not require as delicate temperature control as a deuterium lamp, and the xenon lamp is cooled by a cooling fan. Cooling indirectly.
  • the present invention has been made in order to solve the above-mentioned problems, and in particular, has been made in consideration of a temperature change of outside air. It is an object of the present invention to provide a portable type light source device which is hardly affected by the development and which can obtain extremely high output stability.
  • the portable light source device is a lamp box that is fixed in a housing, houses a deuterium lamp that emits light of a predetermined wavelength, and has a light emission opening that guides light emitted from the deuterium lamp to the outside. And a power supply unit fixed inside the housing to drive the deuterium lamp, a cooling fan fixed to the housing and generating a forced air flow inside the housing, and placed in front of the housing And a radiation fin extending between the lamp box and the cooling fan disposed on the rear side of the housing.
  • This portable light source device is a device for lighting / flashing a deuterium lamp. This deuterium lamp does not always operate stably if cooled.
  • the deuterium lamp has an output characteristic that is extremely sensitive to temperature changes due to the fact that the inside of the deuterium lamp is maintained at a low pressure (for example, about 1/100 atm). Therefore, such a deuterium lamp is housed in a lamp box and also in a housing in order to minimize the effect of temperature changes in the outside air.
  • deuterium lamps that are sensitive to temperature changes will be wrapped not only in the lamp box but also in the housing, and will be housed with a double shielding structure. As a result, changes in the temperature of the housing that are most affected by the outside air are less likely to be transmitted to the deuterium lamp, so that they can be used without concern for changes in the weather when working outdoors or the effects of air conditioners when working indoors.
  • the cooling fins are generated along the heat dissipating fins by extending the heat dissipating fins between the front lamp box and the rear cooling fan in the housing, and are taken into the housing.
  • the cooling air is quickly discharged to the outside by the cooling fan. Therefore, the efficiency of exchanging air in the housing is improved, and the warm-up time required for stabilizing the output at the time of starting the lamp can be shortened.
  • the radiation fin is provided between the lamp box and the cooling fan
  • the partition plate is provided between the lamp box and the cooling fan. It is preferable to have a roof plate extending in the direction of the cross section and to form the section in a T-shape.
  • a fin with a T-shaped cross section is used, so the cooling air is warmed by heat exchange that occurs on the surface of the lamp box, and this cooling air rises along the partition plate. Will flow.
  • the cooling air since the cooling air flows so as to be suppressed from above by the roof plate, the cooling air hardly hits the upper surface plate of the housing, and the cooling air can be efficiently discharged.
  • the bottom plate of the housing is provided with intake holes located on both sides of the partition plate.
  • the intake holes are provided in the bottom plate to prevent dust from entering, resulting in a structure suitable for use outdoors or in factories.
  • the cooling air can be efficiently guided to the cooling fins along the radiation fins.
  • a heat radiating portion that is in contact with the outer surface of the lamp box is integrally provided at a front end of the heat radiating fin.
  • the heat conduction efficiency between the lamp box and the radiation fins can be increased through the radiation part.
  • the radiation fins can be fixed to the lamp box via the radiation part.
  • the cooling fan is disposed at a position facing the heat radiation fin.
  • the speed of drawing the cooling air by the cooling fan can be improved, which helps to improve the cooling efficiency.
  • FIG. 1 is a perspective view showing an embodiment of a deuterium lamp applied to a portable light source device.
  • FIG. 2 is a cross-sectional view of FIG.
  • FIG. 3 is a perspective view showing an embodiment of a portable light source device.
  • FIG. 4 is a sectional view of the light source device shown in FIG.
  • FIG. 5 is a sectional view of the light source device shown in FIG.
  • FIG. 6 is an enlarged sectional view showing a state where a deuterium lamp is mounted in the lamp box.
  • FIG. 7 is a plan view of the lamp box.
  • FIG. 8 is a side view of the lamp box.
  • FIG. 9 is a sectional view taken along the line IX-IX of FIG.
  • FIG. 10 is a front view of the lamp box.
  • FIG. 11 is a cross-sectional view taken along the line XI-XI of FIG.
  • FIG. 12 is a front view showing the light guide tube.
  • FIG. 13 is a cross-sectional view taken along the line XII I—XII I in FIG.
  • FIG. 14 is an exploded perspective view of the light guide tube, the heat insulating plate, and the adapter.
  • FIG. 15 is a plan view showing a radiation fin.
  • FIG. 16 is a side view showing the radiation fins.
  • FIG. 17 is a sectional view taken along the line XVI I—XVI I of FIG.
  • FIG. 18 is a front view showing the radiation fins. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 is a perspective view showing a deuterium lamp applied to the portable light source device according to the present invention.
  • the deuterium lamp 10 shown in FIG. 1 is called a side-on type that emits ultraviolet rays from the side.
  • the inside of a glass cylindrical container 11 is formed.
  • the light-emitting unit assembly 20 is housed therein, and a deuterium gas (not shown) is sealed therein for about several Torr.
  • a glass stem 12 is formed at the bottom of the container 11.
  • the container 11 is formed of an ultraviolet transmitting glass, a quartz glass, or the like having a good ultraviolet transmittance.
  • the stem 12 has four lead pins 13 to 16 fixed in parallel in a straight line.
  • the light emitting unit assembly 20 includes a front cover 23 made of metal (Ni or SUS) or ceramics disposed at the front part, an anode support member 22 made of ceramics disposed at the rear part, and this anode. It has a metal (NiSUS) focusing electrode support member 21 disposed between the support member 22 and the front cover 23.
  • a metal anode 24 is fixed to the tip of the lead bin 14.
  • the anode part 24 has a rectangular anode fixing plate 24 a fixed to the tip of the lead pin 14, and a plate-shaped anode 24 fixed to the front surface 24 a B of the anode fixing plate 24 a.
  • the anode support member 22, which is a prism having a substantially convex cross section, has an anode accommodating recess 25 for accommodating the anode fixing plate 24 a, and a lead pin 1 located behind the anode section 24.
  • a lead pin accommodating concave portion 26 for accommodating the tip portion of No. 4 is formed.
  • the lead pin 14 With the anode pin 24 fixed to the lead pin 14, the lead pin 14 is housed in the lead pin housing recess 26, so that the anode support member 22 is held in the container 11 by the lead bin 14. Can be retained.
  • the back surface 24 a A of the anode fixing plate 24 a is supported in contact with the bottom surface 25 a of the anode receiving recess 25.
  • the anode support member 22 is integrally formed of ceramics having electrical insulation and high thermal conductivity. Therefore, the anode support member 22 acts as a heat sink for the heated anode portion 24 and can efficiently radiate the heat accumulated in the light emitting portion assembly 20 to the outside.
  • the plate-shaped focusing electrode support member 21 disposed in front of the anode section 22 is provided with a rectangular opening 27, and the opening 27 is located at a position facing the anode 24b. It is provided. Further, a focusing electrode fixing plate 28 made of metal is disposed in contact with the focusing electrode support member 21. On the front surface 28 a of the focusing electrode fixing plate 28, a metal The focusing electrode section 29 is fixed. The focusing electrode fixing plate 28 is fixed to the front surface 21 a of the focusing electrode supporting member 21, and the focusing opening 29 a of the focusing electrode section 29 is formed as the opening 27 of the focusing electrode supporting member 21. And facing the anode 24b.
  • the front cover 23 has a substantially U-shaped cross section, and is fixed to the front surface 21 a of the focusing electrode support member 21.
  • an opening window 30 for projecting ultraviolet light is formed, which is opposed to the converging opening 29a and the anode 24b.
  • a spiral hot cathode 31 for generating thermoelectrons is arranged in a space S formed by the front cover 23 and the focusing electrode support member 21.
  • the hot cathode 31 is disposed at a position deviated from the optical path, that is, at a side in the front cover 23.
  • a discharge rectifying plate 32 made of metal (Ni or SUS) or ceramics is arranged at a position off the optical path.
  • One end of the discharge rectifying plate 32 is fixed to the front surface 21 a of the focusing electrode support member 21, and the other end is in contact with the inner wall surface of the front cover 23.
  • the discharge rectifier plate 32 has a slit 32a for communicating between the hot cathode 31 and the focusing electrode portion 29. The slit 32a allows the thermoelectrons generated from the hot cathode 31 to be formed. Is rectified.
  • Two cylindrical spacers 35 made of ceramics are arranged between the focusing electrode support member 21 and the anode fixing plate 24 b of the anode section 24.
  • Each of the spacers 35 is formed on the back surface 21b of the focusing electrode support member 21 and the front surface 24aB of the anode fixing plate 24a at both sides in the anode receiving recess 25. It is arranged in contact.
  • the spacer 35 By using the spacer 35, the distance between the focusing electrode section 29 and the anode section 24 can be always kept constant.
  • a power of about 10 W is supplied to the hot cathode 31 from an external power supply (not shown) for about 20 seconds before discharging, and the hot cathode 31 is preheated.
  • hot cathode 3 1 and anode Apply a DC open-circuit voltage of about 150 V to 24b to prepare for arc discharge.
  • thermoelectrons emitted from the hot cathode 31 pass through the elongated slit 32 a of the discharge rectifier plate 32, and converge at the converging opening 29 a of the converging electrode portion 29 while the anode 24 leads to b. Then, an arc discharge is generated in front of the converging opening 29 a, and ultraviolet rays extracted from the arc ball by the arc discharge pass through the opening window 30 and then pass through the peripheral surface of the glass container 11. Released to the outside.
  • the number of anodes 24 and focusing electrodes 29 is several hundred. Since the temperature becomes higher than C, this heat is released to the outside in a timely manner by the aforementioned member made of ceramics.
  • the anode 24 is firmly held by the anode support member 22, and the focusing electrode 29 is firmly held by the focusing electrode support 21. However, deformation is unlikely to occur, and the positional accuracy between the anode section 24 and the focusing electrode section 29 can be kept good.
  • a portable light source device using the above-described deuterium lamp 10 will be described below.
  • the light source device 40 is about 26 cm long, about 16 cm wide, about 12 cm high, and weighs about 3 kg, and is extremely compact, lightweight and convenient to carry. It is a device.
  • This light source device 40 has a rectangular parallelepiped steel housing 41, and an aluminum lamp box 42 for accommodating a deuterium lamp 10 is provided in the front of the housing 41 in a bottom plate.
  • a cooling fan 43 for generating a forced air flow in the housing 41 is fixed to the rear plate 41b.
  • a power supply section 44 is fixed to the bottom plate 41a between the lamp box 42 and the cooling fan 43, and the power supply section 44 includes an AC-DC converter 44A and a power supply circuit for driving the lamp. It is divided right and left by 4 4 B. Then, when the power switch 45 provided on the rear plate 41b of the housing 41 is turned on, the deuterium is supplied via the power unit 44. A desired current is supplied to the lamp 10, and the cooling fan 43 starts to rotate.
  • the light source device 40 includes a handle 46 and a handle 46 in consideration of carrying and handling outdoors and indoors. Rubber feet 47 are attached.
  • the housing 41 is provided with an LED lamp 48 for notifying the on / off of the power supply and an LED lamp 49 for notifying the on / off of the deuterium lamp 10 for the convenience of workers. I have.
  • the portable light source device 40 is a device for lighting / flashing the deuterium lamp 10.
  • the above-mentioned deuterium lamp 10 cannot be said to operate stably if simply cooled. This is because the deuterium lamp 10 has an output characteristic that is extremely sensitive to temperature changes because it is maintained in a low pressure state (for example, about 1/100 atm).
  • such a deuterium lamp 10 is housed in the lamp box 42 and also in the housing 41 in order to minimize the influence of the temperature change of the outside air. That is, the deuterium lamp 10 is wrapped not only by the lamp box 42 but also by the housing 41, and is housed with a double shielding structure. As a result, the temperature change of the housing 41, which is most susceptible to the outside air, is less likely to be transmitted to the heavy hydrogen lamp 10, and the weather changes when working outdoors and the effects of air conditioners and the like when working indoors. You can use it for a long time without worrying about it.
  • the housing 41 is provided with an intake hole 50 for enabling appropriate suction by the cooling fan 43 disposed on the rear side and generating appropriate cooling air in the housing 41.
  • the air intake holes 50 are located in front of the power supply section 44 and are provided at positions symmetrical with respect to a line connecting the lamp box 42 and the cooling fan 43.
  • the left and right side plates 4 1c face the lamp box 42.
  • Side intake holes 51 formed of a plurality of slits are formed (see FIGS. 3 and 5)
  • front intake holes 52 formed of a plurality of slits are formed on the left and right sides of the front plate 4Id (see FIGS. 3 and 5).
  • the bottom plate 41a is formed with a plurality of slit bottom suction holes 53 located on both sides of the lamp box 42 (see FIG. 5).
  • the respective intake holes 51, 52, 53 are located in front of the power supply section 44, so that the power supply section 44 is appropriately cooled. Therefore, a stable voltage can be supplied to the deuterium lamp 10, and the output characteristics of the deuterium lamp 10 can be extremely stabilized in combination with the double shielding structure described above.
  • the intake holes 51, 52, 53 at the left and right symmetrical positions, a uniform left and right inside the housing 41 between the left and right intake holes 50 and the cooling fan 43. Cooling air can be generated. Therefore, the left and right lamp boxes 42 can be uniformly cooled, and the output characteristics of the deuterium lamp 10 can be further stabilized. If the amount of air intake is sufficient, the side intake holes 51 and the front intake holes 52 may be eliminated, leaving only the bottom intake holes 53, to make the appearance smooth. In this case, intrusion of dust and dirt from the outside is appropriately prevented.
  • the lamp box 42 fixed in the housing 41 is formed in a rectangular parallelepiped with a hollow aluminum-made work in consideration of heat conduction.
  • a deuterium lamp 10 is inserted from above into a cylindrical lamp housing space S with its stem 12 side up. Therefore, by making each lead wire 17 upward, connection work to each terminal in the housing 41 is facilitated, and at the time of lamp replacement, the lamp insertion opening 55 of the lamp box 42 is placed from above.
  • the work can be done in a manner that makes it easy to change the easily broken lamp 10.
  • a circular lamp inlet opening 55 is provided at the top of the lamp box 42.
  • the lamp box 42 is a glass container for the deuterium lamp 10. It has a lamp accommodation space S larger than 11 in diameter. And run The wall surface of the container space s and the surface of the container 11 are slightly separated in consideration of the difference in thermal expansion of each material.
  • a metal flange portion 56 is fixed to the deuterium lamp 10 with an adhesive or the like to facilitate mounting on the lamp box 42. ing.
  • the flange portion 56 protrudes in a direction perpendicular to the tube axis L of the lamp 10 from an end of a cylindrical body 57 surrounding the stem 12 of the deuterium lamp 10.
  • the lamp replacement work can be performed by pinching the flange portion 56 with a finger, so that the finger does not touch the glass portion of the container 11 and a fingerprint, etc. Luminance unevenness caused by dirt on the surface can be eliminated. Further, the flange portion 56 is brought into contact with the upper end 42 A of the lamp box 42.
  • the deuterium lamp 10 can be easily accommodated in the lamp box 42 in a suspended state.
  • the flange portion 56 forms an appropriate lid on the lamp housing space S, and the cooling air flows into the lamp housing space S. Can be appropriately prevented.
  • the mounting position of the deuterium lamp 10 in the lamp box 42 must always be constant. Then, a positioning pin 57 is projected from the upper end 42A of the lamp box 42, and the positioning pin 57 is inserted into the notch groove 58 of the flange portion 56. Therefore, reliable lamp replacement work can be performed without confusing the front and rear of the deuterium lamp 10.
  • the flange portion 57 is provided with a screw insertion hole 59, and the upper end 42A of the lamp box 42 is correspondingly provided. Has a screw hole 60 (see FIGS. 7 and 8). Therefore, by screwing the screw 61 into the screw hole 60 so as to pass through the screw insertion hole 59, the flange portion 57 is firmly fixed to the lamp box 42.
  • Figs. 1 In order to facilitate the lamp replacement work, as shown in Figs. 1 is provided with a detachable upper cover 62 facing the lamp insertion opening 55 of the lamp box 42.
  • the upper lid 62 can be opened and closed by attaching and detaching the knurled screw 63.
  • the upper lid 62 By adopting such an upper lid 62, the upper lid 62 can be easily removed at the time of lamp replacement work, and the lamp box 42 can be seen from above, so that the lamp 10 which is easily broken can be used. Exchange can be done safely.
  • the lamp box 42 is fixed so as to be separated from the bottom plate 41 a of the housing 41.
  • a plate-shaped heat insulating member (first heat insulating plate) 65 made of ceramics is interposed between the bottom plate 41 a and the bottom surface 42 B of the lamp box 42.
  • the lamp box 42 is thermally disconnected from the housing 41 that is most affected by the temperature change of the outside air, and the temperature change of the housing 41 affects the output characteristics of the deuterium lamp 10.
  • This makes it difficult to provide the deuterium lamp 10 with the stable operating characteristics for a long time, in combination with the double shielding structure described above.
  • a highly versatile device that is not affected by the use environment outdoors or indoors is realized. For example, it can be applied to spectrophotometers for outdoor water quality inspections, periodic inspections of chemical substances in factories and plants.
  • a plate-shaped rubber vibration isolating member 66 is arranged between the heat insulating member 65 and the bottom plate 41 a of the housing 41. Then, the vibration isolating member 66, the heat insulating member 65, and the lamp box 42 are fixed to the bottom plate 41a of the housing 41 by four screws 67. In this case, each screw 67 is inserted from below the bottom plate 41 a and screwed into the screw hole 68 (see FIG. 9) of the lamp box 42.
  • the vibration isolating member 66 This makes it difficult to transmit the vibration received by the housing 41 from the outside to the lamp box 42, prevents the proper swing of the deuterium lamp 10, and stabilizes the output characteristics.
  • the front wall 42a of the lamp box 42 is provided with a light exit opening 69 facing the opening window 30 for projecting ultraviolet rays.
  • an aluminum light guide tube 70 for extending the light emission opening 69 is fixed to the front wall 42 a of the lamp box 42 so as to protrude forward.
  • an extension opening 71 is formed at the center of the light guide tube 70 so as to be arranged concentrically with the light emission opening 69, through which ultraviolet rays pass. become.
  • the light guide tube 70 is fixed to the lamp box 42 with four screws 73. Specifically, the light guide tube 70 is fixed to the lamp box 42 by screws 73 through four screw insertion holes 72 provided around the extension opening 71.
  • the reason why such a light guide tube 70 is adopted is that it is known that when ultraviolet rays are irradiated into the air, ozone is generated, so that the ultraviolet rays are prevented from contacting the air as much as possible. . That is, a forced air flow is generated in the housing 41 by the cooling fan 43, and when ultraviolet rays pass through such a portion, new air is always supplied to the place where the ultraviolet rays exist. This causes the generation of a large amount of ozone, which causes the ozone fluctuation of ultraviolet rays. Therefore, the region through which the ultraviolet light passes is surrounded by the light guide tube 70, and the light guide tube 70 is extended to the front plate 4Id so that the cooling air does not hit the ultraviolet light as much as possible. Therefore, the adoption of the light guide tube 70 suppresses the generation of ozone in the portion where the ultraviolet rays pass through and within the housing 41, and appropriately suppresses the fluctuation of the emitted light due to the generation of ozone. Have been avoided.
  • a disc-shaped ceramic heat insulating member (second heat insulating plate) # 4 is fixed to the end surface of the light guide cylinder 70.
  • the heat insulating member 74 is fixed to the light guide cylinder 70 by two screws 75 as shown in FIG.
  • the rear end of the optical connector adapter 76 is inserted from the front end into the extension opening 71 of the light guide tube 70. Then, the front end of the adapter is exposed from the front plate 41d of the housing 41. As a result, the adapter 76 facilitates optical connection to an optical fiber (not shown) outside the housing 41.
  • the structure is such that the ultraviolet light is hardly affected by the cool air due to the cooperation with the light guide tube 70, so that the light output characteristics can be extremely stabilized.
  • the adapter 76 is provided with a flange portion 76a, and the light guide tube 70 is provided with two screw holes 77. Therefore, the heat insulating member 74 is fixed to the light guide cylinder 70 together with the adapter 76 by the two screws 75 described above.
  • a light collecting lens 80 is fixed in the light emission opening 69 of the lamp box 42.
  • This condenser lens 80 is close to the deuterium lamp 10 and can collect more light, thereby increasing the light intensity.
  • the condenser lens 80 is sandwiched and fixed between the light guide cylinder 70 and the lamp box 42 with the washer 81 interposed therebetween. With this configuration, it is possible to easily incorporate the condenser lens 80 that matches the output of the deuterium lamp, thereby improving the work efficiency and increasing the degree of freedom in selecting the condenser lens 80.
  • the condenser lens 80 may be fixed in the extension opening 71 of the light guide cylinder 70. In this case, since the condenser lens 80 is pre-installed in the light guide tube 70, the assembling workability is further improved.
  • a radiation fin 83 having a T-shaped cross section is extended between the box 42 and the cooling fan 43, and the radiation fin 83 is formed of an aluminum material.
  • the radiation fins 83 are fixed to the lamp box 42, are slightly separated from the bottom plate 41a so as not to contact the housing 41, and extend to the vicinity of the cooling fan 43. Then, the rear end of the radiation fin 83 is made to face the cooling fan 43. Therefore, when cooling air is generated along the radiating fins 83, the cooling air is quickly exhausted to the outside by the cooling fan 43, and the efficiency of replacing air in the housing 41 is increased, and At start-up, the time for warm-up operation required for output stabilization can be reduced.
  • the radiation fins 83 are provided between the lamp box 42 and the cooling fan 43 and extend vertically to the bottom plate 41 a of the housing 41. It has a plate 83a and a roof plate 41b provided above the partition plate 83a and extending in a direction perpendicular to the partition plate 83a (parallel to the bottom plate 4la). .
  • the front end of the heat radiating fin 83 is in contact with the lamp box 42, and the other end is located near the cooling fan 43.
  • the cooling fins 83 are formed in a T-shaped cross section, the cooling air flows so as to be suppressed from above by the roof plate 41b, so that the cooling air flows through the upper surface plate 41 of the housing 41. e and the upper lid 62 are hardly hit, and the cooling air can be efficiently discharged to the squid.
  • the cooling air is warmed by heat exchange occurring on the surface of the lamp box 42, and the cooling air is drawn by the cooling fan 43 while rising, but the partition plate 83a And the air is efficiently exhausted along the L-shaped passage created by the roof plate 83b.
  • the bottom plate 41a of the housing 41 is provided with a plurality of intake holes 84 located on both sides of the partition plate 83a. 4 are arranged in a row along the partition plate 83a (see Fig. 5).
  • a heat radiating portion 85 having a U-shaped cross section to be brought into contact with the outer surface of the lamp box 42 is provided on the body.
  • the heat transfer efficiency between the radiating fins 83 is increased. Therefore, the heat dissipation area of the lamp box 42 is increased, and the cooling efficiency of the lamp box 42 is improved.
  • the heat radiation part 85 has a screw insertion hole 85a, and the lamp box 42 has a screw hole 87 (see Fig. 11). Is provided. After the screw insertion hole 85 a and the screw hole 87 are aligned, the heat radiating portion 85 is attached to the lamp box 42 with the screw 86 (see FIG. 5).
  • the interlock mechanism 90 can be attached to the roof plate 83 b.
  • the lock mechanism 90 is a safety mechanism for turning off the power when the upper cover 62 is removed.
  • a lamp box that is fixed in the housing, houses a deuterium lamp that emits light of a predetermined wavelength, and has a light emission opening through which light emitted from the deuterium lamp is led to the outside;
  • a power supply section that is fixed and drives the deuterium lamp, a cooling fan that is fixed to the housing and generates a forced air flow inside the housing, and a lamp box that is arranged on the front side of the housing.
  • the present invention can be used for portable light source devices.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

L'invention porte sur une source lumineuse portable comprenant une lampe (10) renfermée dans un boîtier (42), lui-même logé dans un réceptacle (41) de sorte que cette source lumineuse ne subisse pas l'influence de la température ambiante. En d'autres termes, la lampe (10) deutérium, susceptible de subir l'influence de la température, est enfermée dans une structure à double écran comprenant le boîtier (42) et le réceptacle (41). Des ailettes (83) de refroidissement s'étendent dans le réceptacle (41) entre le boîtier (42), à l'avant, et un ventilateur (43), à l'arrière, de façon à générer un courant de refroidissement le long des ailettes (83). Le ventilateur (43) évacue rapidement l'air de refroidissement introduit dans le réceptacle (41). Il en résulte une augmentation du rendement de la circulation de l'air dans le réceptacle (41), et une stabilisation de la sortie de la lampe sur une courte durée de réchauffage.
PCT/JP2000/002846 1999-04-28 2000-04-28 Source lumineuse portable Ceased WO2000066945A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU41458/00A AU4145800A (en) 1999-04-28 2000-04-28 Portable light source

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12302599A JP4183841B2 (ja) 1999-04-28 1999-04-28 ポータブル型光源装置
JP11/123025 1999-04-28

Publications (1)

Publication Number Publication Date
WO2000066945A1 true WO2000066945A1 (fr) 2000-11-09

Family

ID=14850364

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/002846 Ceased WO2000066945A1 (fr) 1999-04-28 2000-04-28 Source lumineuse portable

Country Status (3)

Country Link
JP (1) JP4183841B2 (fr)
AU (1) AU4145800A (fr)
WO (1) WO2000066945A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4964360B2 (ja) * 2000-11-15 2012-06-27 浜松ホトニクス株式会社 ガス放電管
JP4964374B2 (ja) * 2001-08-24 2012-06-27 浜松ホトニクス株式会社 ガス放電管
JP4964359B2 (ja) * 2000-11-15 2012-06-27 浜松ホトニクス株式会社 ガス放電管
JP4907760B2 (ja) * 2000-11-15 2012-04-04 浜松ホトニクス株式会社 ガス放電管
JP4907852B2 (ja) * 2004-08-24 2012-04-04 浜松ホトニクス株式会社 ガス放電管
US20190060496A1 (en) * 2017-08-30 2019-02-28 The Boeing Company Ozone-disrupting ultraviolet light sanitizing systems and methods

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6030435U (ja) * 1983-08-04 1985-03-01 ミノルタ株式会社 照明装置
JPH0250648U (fr) * 1988-09-30 1990-04-09
JPH08222186A (ja) * 1995-02-17 1996-08-30 Hamamatsu Photonics Kk ガス放電管
JPH0927213A (ja) * 1995-07-13 1997-01-28 Hamamatsu Photonics Kk 光源装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6030435U (ja) * 1983-08-04 1985-03-01 ミノルタ株式会社 照明装置
JPH0250648U (fr) * 1988-09-30 1990-04-09
JPH08222186A (ja) * 1995-02-17 1996-08-30 Hamamatsu Photonics Kk ガス放電管
JPH0927213A (ja) * 1995-07-13 1997-01-28 Hamamatsu Photonics Kk 光源装置

Also Published As

Publication number Publication date
AU4145800A (en) 2000-11-17
JP2000315419A (ja) 2000-11-14
JP4183841B2 (ja) 2008-11-19

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