WO2014104013A1 - 光源装置 - Google Patents
光源装置 Download PDFInfo
- Publication number
- WO2014104013A1 WO2014104013A1 PCT/JP2013/084478 JP2013084478W WO2014104013A1 WO 2014104013 A1 WO2014104013 A1 WO 2014104013A1 JP 2013084478 W JP2013084478 W JP 2013084478W WO 2014104013 A1 WO2014104013 A1 WO 2014104013A1
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- WO
- WIPO (PCT)
- Prior art keywords
- flange
- outer peripheral
- axis
- lamp
- peripheral edge
- Prior art date
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Classifications
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- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
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- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
Definitions
- the present invention relates to a light source device including a lamp unit in which a discharge lamp is accommodated.
- a discharge lamp has been employed as a light source in a light source device used for bonding optical parts, curing paints and adhesives, wafer peripheral exposure in semiconductor manufacturing, and the like.
- This type of discharge lamp is, for example, a discharge lamp that emits Xe gas for a xenon lamp, mercury for an ultra-high pressure mercury lamp, and mercury and a metal halide for a metal halide lamp. It discharges at a distance between electrodes and generates light with very high luminance.
- Patent Document 1 shows an example of a light source device using a discharge lamp as described above.
- the light source device described in Patent Document 1 includes a discharge lamp in which electrodes of a discharge tube are provided integrally with the discharge tube.
- the cathode at the distal end on the insertion side of the discharge lamp is pressed by the connecting member provided in the lamp unit, and the cathode and the connecting member are electrically connected.
- the discharge lamp is positioned in the lamp unit.
- the electrode of the discharge tube is provided integrally with the discharge tube, and the electrode of the discharge tube is pressed and electrically connected by the connecting member. Connection work is unnecessary.
- the lamp unit since the lamp unit is fixed on the lamp base in the light source device, when replacing the lamp, there is a troublesome work that the screwed cover must be removed. There is a problem that the downtime (non-operating time) generated when the discharge lamp is replaced is not shortened.
- the present invention has been made in view of such circumstances, and an object of the present invention is to provide a light source device that can easily perform lamp replacement and reduce downtime.
- a light source device of the present invention comprises an arc tube having a distal end portion, a proximal end portion, and a cathode, and a fixing base provided at the proximal end portion and electrically connected to the cathode.
- a discharge lamp and a lamp unit that detachably supports a fixing base so that the discharge lamp can be exchanged; and a box-shaped housing that has a front face, a rear face, and a pair of side faces and houses the lamp unit.
- the fixing base has a common axial center with the arc tube, and is formed so as to protrude from a cylindrical first body portion that accommodates the base end portion, and an outer peripheral surface of the first body portion.
- the lamp unit clamps the flange portion when the fixing base is inserted and rotated in the first rotation direction about the axis, and the fixing base is the first.
- the flange is turned in the second turning direction opposite to the turning direction,
- One of the pair of side surfaces has an opening / closing door that supports the lamp unit on the inside of the housing, and rotates around a rotation shaft provided near the front surface.
- the open / close door is rotated outward, the lamp unit is pulled out and the clamp portion is exposed.
- the discharge lamp supported by the lamp unit can be accessed simply by opening the opening / closing door, and the discharge can be performed only by operating the clamp unit of the lamp unit (that is, by simply rotating the fixing base). Because the lamp can be easily replaced, downtime is greatly reduced.
- the flange portion includes an end surface on the base end portion side formed in a direction orthogonal to the axis, and the clamp portion has a predetermined reference surface.
- the end surface becomes the reference surface. It is desirable to be configured to abut. According to such a configuration, the discharge lamp is positioned at an accurate position.
- the flange portion is formed along the first direction of the end face, and when the fixing base is inserted into the lamp unit, a short portion that regulates the direction of the fixing base and orthogonal to the first direction. A long portion that is formed along the second direction and engages the lamp unit when the fixing base is rotated, and the outer peripheral edge of the flange portion is viewed from the axial direction.
- the outer peripheral edge portion of the flange portion is formed in a non-linear symmetry with respect to a straight line passing through the axis and extending in the second direction when viewed from the axial direction. According to such a configuration, the insertion direction of the fixing base when the fixing base is inserted into the clamp part is regulated by the flange part, and erroneous insertion of the discharge lamp can be reliably prevented.
- the short portion is composed of one outer peripheral edge portion and the other outer peripheral edge portion formed with the axis interposed therebetween, and one outer peripheral edge portion with respect to a virtual straight line along a second direction orthogonal to the axis.
- the longest vertical axis is different from the first length of the longest virtual perpendicular among the virtual perpendiculars drawn from the second and the second length of the longest virtual perpendicular of the virtual perpendiculars drawn from the other outer peripheral edge.
- the short portion is composed of one outer peripheral edge portion and the other outer peripheral edge portion formed with the axis interposed therebetween, and one outer peripheral edge portion with respect to a virtual straight line along a second direction orthogonal to the axis.
- the first length of the longest virtual perpendicular among the virtual perpendiculars dropped from the second and the second length of the longest virtual perpendicular of the virtual perpendiculars drawn from the other outer peripheral edge are different, and the long portion has an axial center
- the long edge part is composed of an outer peripheral edge part at one end and an outer peripheral edge part at the other end formed across the shaft center.
- the third length of the longest perpendicular from the outer peripheral edge of one end and the perpendicular dropped from the outer peripheral edge of the other end to the virtual straight line along the first direction orthogonal to the axis The sum of the longest perpendicular and the fourth length should be longer than the sum of the first and second lengths. Arbitrariness.
- Each of the one outer peripheral edge portion and the other outer peripheral edge portion includes a straight line portion parallel to the second direction, and each of the outer peripheral edge portion at one end and the outer peripheral edge portion at the other end in the second direction. It is desirable to include opposing arc portions.
- the flange portion is plate-shaped.
- the clamp part can be provided with a protruding part that restricts the rotation of the fixing base
- the short part can be provided with a receiving part that engages with the protruding part when the fixing base is rotated.
- the clamp part can be configured to include a plunger that abuts the end face on the distal end side of the flange part and biases the fixing base toward the base end side.
- the end surface on the tip end side of the flange portion is provided with a countersunk portion into which the tip of the plunger is fitted. According to such a configuration, the base end surface of the flange portion can be more reliably positioned on the reference surface using the biasing force of the plunger.
- the lamp unit includes a fixing means for protruding and contacting the outer peripheral surface of the first body when the fixing base is mounted on the lamp unit, and fixing the fixing base.
- the first region includes a first region where the fixing means can abut on the outer peripheral surface, and a second region where the fixing unit cannot contact, and the second region when the fixing base is not rotated.
- it is desirable that the second region is a plane obtained by cutting out the outer peripheral surface of the first body portion with a plane parallel to the axis. According to such a configuration, since the fixing base cannot be fixed by the fixing means unless the fixing base is rotated, the fixing base is correctly positioned on the lamp unit (that is, the fixing base is rotated). To the user).
- the arc tube includes a tip portion for enclosing and sealing the discharge medium, and the tip portion is configured to be positioned below a horizontal plane including the axis when the fixing base is attached to the lamp unit. be able to. According to such a configuration, when the discharge lamp emits light, a depression formed at a position corresponding to the tip portion on the inner surface of the bulb forms a heat reservoir, thereby reducing the possibility of increasing the temperature of the bulb. .
- the flange portion is provided at an end portion of the first body portion on the base end portion side, and the fixing base has an axis common to the first body portion, and is on the base end portion side of the flange portion.
- a second body portion that protrudes in a cylindrical shape from the end surface can be provided.
- the first body portion can be configured to have a plurality of opening holes that are arranged at symmetrical positions around the axis and open to the end surface of the first body portion on the proximal end side.
- the lamp unit can be provided with a biasing means that abuts the distal end portion and biases the arc tube toward the proximal end portion. According to such a configuration, the end face on the base end side of the flange portion can be more reliably positioned on the reference plane by using the biasing force of the biasing means.
- the lamp can be easily replaced, and the downtime can be shortened.
- FIG. 1 is a schematic external view of a light source device according to an embodiment of the present invention.
- 2A is a schematic external view of a part of the lamp unit according to the embodiment of the present invention
- FIG. 2B is a top view of the lamp unit and the lamp holder according to the embodiment of the present invention.
- FIG. 3 is a schematic external view of a part of a lamp unit according to an embodiment of the present invention.
- 4A and 4B are schematic perspective views of a discharge lamp according to an embodiment of the present invention.
- FIGS. 5A to 5C are schematic external views of a base of a discharge lamp according to an embodiment of the present invention.
- FIGS. 6A and 6B are top views of a lamp unit, a lamp holder, and a discharge lamp according to an embodiment of the present invention.
- FIG. 7 is a partial cross-sectional view of a cap and clamp of a discharge lamp according to an embodiment of the present invention.
- FIGS. 8A and 8B are various projection views of the lamp replacement jig according to the embodiment of the present invention.
- FIG. 9 is a schematic perspective view of a lamp replacement jig and a discharge lamp according to an embodiment of the present invention.
- FIGS. 10A to 10E are schematic external views of a part of a lamp unit and a discharge lamp according to an embodiment of the present invention.
- FIG. 11A to 11F are schematic external views of a part of a lamp unit and a discharge lamp according to an embodiment of the present invention.
- FIG. 12 is a view showing a modification of the lamp replacement jig and the discharge lamp according to one embodiment of the present invention.
- FIG. 13 is a view showing a modification of the flange of the base attached to the discharge lamp according to the embodiment of the present invention.
- FIG. 14 is a view showing a modification of the flange of the base attached to the discharge lamp according to the embodiment of the present invention.
- FIG. 15 is a view showing a modification of the flange of the base attached to the discharge lamp according to the embodiment of the present invention.
- FIG. 16 is a view showing a modification of the discharge lamp according to one embodiment of the present invention.
- FIG. 17 is a view showing a modification of the discharge lamp according to one embodiment of the present invention.
- FIG. 1 is a schematic external view of a light source device 1 according to an embodiment of the present invention.
- the light source device 1 is a device that supplies ultraviolet light in UV curing or the like in which a photosensitive resin is cured from a monomer to a polymer by photocuring.
- FIG. 1 is a perspective view of the light source device 1 when viewed from the rear surface 10a side of the housing 10.
- An exit port through which light from the lamp unit 100 is emitted is provided on the front surface (not shown in FIG. 1) facing the back surface 10a.
- An optical fiber bundle (not shown) is connected to the emission port, and light from the lamp unit 100 is guided to a predetermined workpiece by the optical fiber bundle.
- the housing 10 of the light source device 1 houses a lamp unit 100, a power supply device (not shown) that supplies power to the lamp unit 100, a light control device that adjusts the light amount of the lamp unit 100, and the like (not shown). Yes.
- a lamp replacement door 200 is provided on the side surface of the housing 10. One end (front side) of the lamp replacement door 200 is pivotally supported by the housing 10, and the other end (back 10 a side) is pulled out of the housing 10. The side surface of the housing 10 is opened.
- the lamp unit 100 is a substantially rectangular parallelepiped unit (component) that includes a discharge lamp 500 (described later) and emits light from the discharge lamp 500, and a side plate of the lamp unit 100 via a locking fitting. It is screwed to the inner surface.
- the lamp unit 100 and the lamp replacement door 200 rotate integrally around the one end side of the lamp replacement door 200, and the lamp unit 100 is attached to the housing 10. Exposed outside.
- the lamp unit 100 can be exposed from the housing 10 simply by opening the lamp replacement door 200, so that access to each part of the lamp unit 100 is facilitated.
- the replacement work of the discharge lamp 500 can be performed more quickly.
- the rear panel 101 of the lamp unit 100 is a rectangular plate-shaped member made of metal, and a lamp holder 300 is attached to the rear panel 101. As will be described later, when the discharge lamp 500 is mounted on the lamp unit 100, the discharge lamp 500 is inserted into the lamp unit 100 from the lamp holder 300 (FIG. 6).
- a front panel (not shown in FIG. 1) is provided at a position facing the rear panel 101 in the case of the lamp unit 100 (lamp case), and the front panel side is the exit side of the lamp unit 100. Details of the configuration and functions of the lamp unit 100 will be described later.
- the respective ridge line directions of the lamp unit 100 are defined as an X axis, a Y axis, and a Z axis. That is, in this embodiment, the plane parallel to the back panel 101 is the XY plane, and the X axis and the Y axis are defined in the horizontal direction and the vertical direction of the back panel 101, respectively. Further, a Z axis is defined that is orthogonal to the XY plane and has a positive direction from the rear panel 101 of the lamp unit 100 toward the front panel.
- the X axis, the Y axis, and the Z axis will be described as defined above.
- FIG. 2 is a diagram illustrating the structure of the lamp unit 100 provided in the light source device 1 according to an embodiment of the present invention.
- FIG. 2A is a front view when the lamp unit 100 is viewed from the rear panel 101 side.
- FIG. 2B is a top view illustrating the internal configuration of the lamp unit 100 and the configuration of the lamp holder 300, and the top panel of the lamp unit 100 is omitted for convenience of description.
- the rear panel 101 is fixed to the rear surface of the lamp unit 100 by a panel fixing screw 102.
- FIG. 3 is a diagram illustrating a state in which the lever 301 at the position illustrated in FIG. 2A is rotated around the lever shaft 302 and the direction of the lever 301 is reversed.
- FIG. 4 is a perspective view illustrating a configuration of a discharge lamp 500 accommodated in the lamp unit 100 of the light source device 1 according to an embodiment of the present invention.
- 4A is an exploded perspective view of the discharge lamp 500
- FIG. 4B is a perspective view of the discharge lamp 500 after assembly.
- the central axis of the discharge lamp 500 (the axis orthogonal to the XY plane and parallel to the Z axis) is BZ.
- the lamp body 520 is a commercially available lamp provided with an arc tube formed using quartz glass or the like excellent in ultraviolet light transmission and heat resistance. At both ends of the lamp main body 520, a base end cap 525 from which the screw portion 523 protrudes and a front end cap 526 from which the screw portion 527 protrudes are provided. In addition, an elliptical bulb 521 having an inner diameter in the XY plane larger than that of other portions of the lamp body 520 is formed in a part of the lamp body 520. In the manufacturing process of the lamp main body 520, a chip portion 522 is formed on the surface of the bulb 521 in order to enclose and seal the discharge medium made of mercury, rare gas, or the like from the bulb 521 into the lamp main body 520.
- the lamp body 520 is attached with a base 530 on the anode side on the tip side (Z-axis positive side with respect to the lamp body 520) and on the cathode side on the base end side (Z-axis negative side with respect to the lamp body 520).
- (Fixing cap) 510 is attached.
- FIG. 5 is a schematic external view of a base 510 on the cathode side of the discharge lamp 500 according to the present embodiment.
- 5A is a front view of the base 510
- FIG. 5B is a right side view of the base 510
- FIG. 5C is a rear view of the base 510.
- the base 510 is a substantially cylindrical member made of a metal such as brass.
- a flange 513 protrudes from the outer peripheral surface of the base 510, and the first body 515 is located on the front end side (Z-axis positive side) and the second body 511 is located on the base end side (Z-axis negative side) across the flange 513. Is formed.
- drum 515 is a part inserted in the lamp unit 100 from the opening part 311 (FIG. 2) of the lamp holder 300 mentioned later.
- the first body 515 has a cylindrical shape, and the outer peripheral surface of the front end of the first body 515 is chamfered in a tapered shape. Further, on the right side surface and the left side surface (not shown in FIG. 5) of the first body portion 515, a part of the outer peripheral surface (first region) is formed by two YZ planes having the same distance from the central axis BZ.
- a pair of cut surfaces 516 (second regions) that are D-cut are provided. In another embodiment, the cut surface 516 may be formed only on the right side surface of the first body 515.
- the second body 511 is formed in a cylindrical shape with the same outer diameter as the first body 515.
- an engagement pin 512 that protrudes vertically upward (in the positive direction of the Y axis) is provided.
- the engagement pin 512 functions as an engagement portion with the engagement grooves 602 and 603 of the lamp replacement jig (discharge lamp attaching / detaching tool) 600 as will be described later (FIG. 9).
- the flange 513 protrudes in a disc shape from the outer peripheral surface of the base 510, and when attached to the lamp holder 300, the discharge lamp 500 is positioned and fixed with respect to the lamp holder 300.
- the flange 513 has an upper end (Y-axis positive side with respect to the central axis BZ) and a lower end (Y-axis negative side with respect to the central axis BZ), respectively. It has a D-cut shape (short portion) in a plane parallel to the plane.
- the outer peripheral shape (long portion) of the arc portion in the XY plane of the flange 513 coincides with a circular arc centered on the central axis BZ.
- a receiving portion 514 is formed at one corner of the flange 513. The receiving portion 514 is formed to engage with the parallel pin 308 (FIG. 2A) when the discharge lamp 500 is mounted on the lamp holder 300 as will be described later.
- the flange 513 is formed in an astigmatism with respect to the central axis BZ in the XY plane. Specifically, in the XY plane, the upper end of the flange 513 is configured to coincide with the outer peripheries of the first body 515 and the second body 511, and the lower end of the flange 513 is the first body 515 and the second body. It is configured to be separated from the outer periphery of 511 by a distance d. That is, as shown in FIG.
- the flange 513 has a vertical line length (first length) extending from the central axis BZ to the upper end surface 513a of the flange 513 as La, and from the central axis BZ to the flange 513.
- first length the length of the perpendicular line (second length) lowered to the lower end surface 513b
- second length Lb
- Lb ⁇ La d.
- the flat portion 518 on the base end side (Z-axis negative side) of the flange 513 is configured to contact the reference plane R (FIG. 7), and the discharge lamp 500 is configured.
- the position of the arc bright spot of the discharge lamp 500 coincides with the position of the first focal point of an elliptical mirror 103 (described later) in the lamp unit 100.
- the flange 513 is accommodated in a left flange engagement portion 309 and a right flange engagement portion 310, which will be described later, on the flat surface portion 519 on the front end side (Z-axis positive side) of the flange 513.
- the dish pad 517 into which the plunger 315 (FIG. 7) fits is formed.
- the lamp is inserted into the base 510 so that the base end portion of the lamp body 520 is inserted.
- a nut insertion hole 534 into which the etc. are inserted is formed to communicate with the central axis BZ.
- the inner diameter of the thread portion insertion hole 536 is smaller than the inner diameter of the engagement hole 528 (that is, stepped), and the opening portion on the distal end side (the engagement hole 528 side) of the thread portion insertion hole 536.
- a lamp contact surface 529 with which the base end cap 525 of the discharge lamp 500 contacts is formed.
- the inner diameter of the screw portion insertion hole 536 is smaller than the inner diameter of the nut insertion hole 534 (that is, has a step), and is configured to be slightly larger than the outer diameter of the screw portion 523.
- a fixing surface 532 to which the nut 524a and the like are fixed is formed around the opening on the proximal end side (nut insertion hole 534 side) of the screw portion insertion hole 536.
- the joining of the cathode-side base 510 configured as described above and the lamp body 520 will be described.
- the base end base 525 of the lamp body 520 is inserted into the first body 515 (that is, the lamp insertion hole 533), the base end base 525 is stopped by the lamp contact surface 529, and the screw part 523 is engaged with the screw part insertion hole 536. It is inserted and exposed to the nut insertion hole 534 side (that is, the nut contact surface 532 side).
- the discharge lamp 500 when the discharge lamp 500 is lit, the bright spot generated in the vicinity of the cathode (not shown) of the discharge lamp 500 and the first focus of the elliptical mirror 103 (FIG. 6) coincide with each other.
- the relative positional relationship between 510 and the lamp body 520 is adjusted. Specifically, the position in the XY plane is adjusted using play between the screw portion 523 and the screw portion insertion hole 536, and an adjustment (not shown) is made between the base end cap 525 and the lamp contact surface 529. Insert a member (for example, washer, shim, etc.) to adjust the position in the Z-axis direction.
- the lamp body 520 is rotated about the central axis BZ so that the tip portion 522 of the discharge lamp 500 is located at a position lower than the height of the central axis BZ. Adjust the position in the rotation direction. Then, after adjusting the relative positional relationship between the base 510 and the lamp body 520, a flat washer 524c, a spring washer 524b, and a nut 524a are sequentially attached to the screw portion 523, and the nut 524a is tightened and fixed. An adhesive is poured between the base end portion and the base 510 (that is, in the lamp insertion hole 533) to fix them together. Thus, the joining of the cathode side base 510 and the lamp body 520 is completed.
- the base 530 on the anode side is a bottomed cylindrical member made of a metal such as brass.
- the base 530 is electrically connected to the anode connecting portion 104 of the lamp unit 100 when the discharge lamp 500 is mounted on the lamp unit 100 (FIG. 6).
- an insertion hole 531 for inserting the tip cap 526 of the lamp body 520 is formed inside the cap 530.
- the distal end side of the insertion hole 531 has a reduced diameter, and a screw hole (not shown) that engages with a screw portion 527 provided on the distal end cap 526 of the lamp body 520 is formed.
- the cathode-side base 510, the lamp body 520, and the anode-side base 530 are integrally joined along the central axis BZ, thereby completing the discharge lamp 500 as shown in FIG. To do.
- a lamp holder 300 that supports the discharge lamp 500 is attached to the rear panel 101 of the lamp unit 100.
- the lamp holder 300 includes a lever 301, a lever shaft 302, a lever bearing 303, and a holder base 305.
- Each component of the lamp holder 300 is made of a metal such as brass or stainless steel.
- a clamp 306 is formed on the front surface (Z-axis negative side) of the holder base 305.
- the clamp 306 is a member having a function as an insertion port of the discharge lamp 500 and a function of fixing the base 510 of the discharge lamp 500 and positioning the discharge lamp 500 on the reference plane R. Details of insertion and positioning of the discharge lamp 500 will be described later.
- the clamp 306 has a circular opening 311 through which the discharge lamp 500 is inserted.
- an axis AZ that passes through the center of the opening 311 of the clamp 306 and is orthogonal to the XY plane and parallel to the Z axis is defined.
- the inner diameter of the opening 311 is substantially equal to the maximum outer diameter of the first body 515 of the base 510.
- a left flange engaging portion 309 and a right flange engaging portion 310 for receiving a flange 513 provided on the base 510 of the discharge lamp 500 are formed on the left and right ends of the clamp 306. Yes.
- the left flange engaging portion 309 and the right flange engaging portion 310 protrude from the front surface 306a of the clamp 306 to the Z axis negative side so that the cross section in the XZ plane is substantially L-shaped.
- the flange 513 is accommodated in a gap formed between the front surface 306a and the left flange engaging portion 309 and the right flange engaging portion 310 (details will be described later).
- the discharge lamp 500 is inserted into the opening 311 of the clamp 306, the flange 513 of the cathode-side base 510 is brought into contact with the front surface 306a of the clamp 306, and then the base 510 is rotated clockwise on the XY plane.
- the flange 513 slides on the front surface 306 a and is accommodated in the left flange engaging portion 309 and the right flange engaging portion 310.
- the inside (namely, axis AZ side) of the left flange engaging portion 309 and the right flange engaging portion 310 is cut on a straight line in a plane parallel to the YZ plane, and flat portions 309a and 310a are formed. Yes.
- Ll is set to be substantially the same as the length La of the flange 513, or longer than La and shorter than La + d (FIG. 5).
- Lr is set to be substantially the same as the length Lb of the flange 513 or slightly longer than Lb.
- the flange 513 is inserted between the flat portions 309a and 310a so that the upper end surface 513a and the lower end surface 513b of the flange 513 are opposed to the flat portions 309a and 310a.
- Ll and Lr should just be comprised so that either one may become longer than the other (namely, asymmetrical), and as another embodiment, you may be comprised so that it may become Ll> Lr. .
- a parallel pin 308 that is a rod-like member that protrudes from the front surface of the clamp 306 toward the negative direction of the Z-axis is provided on the upper left side of the left flange engaging portion 309. .
- the clamp 306 is fixed to the holder base 305 by a clamp fixing screw (not shown).
- the holder base 305 is a disk-like member having an opening (not shown) similar to the opening 311 of the clamp 306 and the opening (not shown) of the back panel 101 so that the discharge lamp 500 can be inserted.
- the holder base 305 is fixed to the back panel 101 by a holder base fixing screw 307.
- a lever bearing 303 is fixed to the upper surface of the clamp 306 by a lever bearing fixing screw 304.
- the lever bearing 303 is a member in which a screw hole 314 that is screwed into a screw groove (not shown) at the lower end of the lever shaft 302 is formed.
- the clamp 306 is provided with a through hole 313 that penetrates to the opening 311 at a position facing the opening of the screw hole 314 of the lever bearing 303.
- the lever 301 is a member operated to fix the base 510 of the discharge lamp 500 inserted into the opening 311 to the lamp holder 300 or to release the fixation.
- One end of the lever 301 is joined to the upper end portion of the lever shaft 302, and a helical thread groove that is screwed into the screw hole 314 of the lever bearing 303 is formed on the outer periphery of the lower end portion of the lever shaft 302. .
- FIG. 6 is a diagram for explaining a state in which the discharge lamp 500 according to the present embodiment is attached to the lamp holder 300, and a partial configuration of the lamp unit 100 according to the present embodiment, the upper surface showing the lamp holder 300 and the discharge lamp 500.
- FIG. 6A shows a state immediately before the discharge lamp 500 is inserted into the lamp holder 300
- FIG. 6B shows a state after the discharge lamp 500 is attached to the lamp holder 300.
- the lamp unit 100 includes an elliptical mirror 103 and an anode connecting portion 104.
- the elliptical mirror 103 is a reflecting member that reflects the emitted light of the discharge lamp 500 attached and fixed to the lamp unit 100 by the lamp holder 300 to the emission port (not shown) of the light source device 1.
- the anode connecting portion 104 is configured to abut against the anode side cap 530 and be electrically connected.
- the anode connecting portion 104 has a biasing means (not shown) such as a spring, and biases the tip of the discharge lamp 500 toward the lamp holder 300 with an appropriate pressing force.
- the biasing means it is preferable to use a torsion spring, a coil spring, a spiral spring, a bamboo spring, a disc spring, or a ring spring.
- the base 510 of the discharge lamp 500 is rotated in the XY plane, and the flange 513 is the left flange engaging portion of the lamp holder 300.
- the direction is adjusted so as to pass between 309 and the right flange engaging portion 310 (that is, so as to be pinched).
- the upper end surface 513a of the flange 513 is opposed to the flat portion 310a of the right flange engaging portion 310, and the lower end surface 513b of the flange 513 is opposed to the flat portion 309a of the left flange engaging portion 309 (that is, Even when the discharge lamp 500 is inserted into the opening 311 (with the direction of the base 510 rotated by 180 ° from the state shown in FIG. 6A), the flat portion 519 on the back side (tip side) of the flange 513 is left.
- the outer peripheral edge of the flange 513 has an upper end surface 513a and a lower end surface 513b (straight line portion) formed so as to extend in a direction orthogonal to the central axis BZ, and the first body portion 515. And a circular arc portion of a circle that is concentric with the center axis BZ (ie, centered on the center axis BZ) so as to be asymmetric with respect to the center axis BZ, thereby forming a base 510 when the discharge lamp 500 is inserted into the lamp unit 100.
- the insertion direction (that is, the direction of the discharge lamp 500) is regulated.
- the cathode-side base 510 when the cathode-side base 510 is inserted into the opening 311 of the clamp 306, the front surface 306 a of the clamp, the flat portion 309 a of the left flange engaging portion 309, and the flat portion 310 a of the right flange engaging portion 310. And form a flange receiving portion for receiving the flange 513.
- the flange 513 When the orientation of the cathode-side base 510 is adjusted and the anode-side base 530 is inserted into the opening 311 of the clamp 306 first, the flange 513 is connected to the left flange engaging portion 309 and the right flange engaging portion 310. And the flange 513 contacts the front surface 306a of the clamp 306.
- the base 510 is rotated clockwise in the XY plane, and the flange 513 is engaged with the left flange engagement portion 309 and the right flange engagement portion 310 (that is, the front surface 306a, the left flange engagement portion 309, and the right flange engagement). In a gap formed with the portion 310. If the base 510 continues to rotate clockwise, the receiving portion 514 of the flange 513 hits the parallel pin 308 of the clamp 306, and the base 510 cannot be rotated further clockwise. As described above, in the present embodiment, the rotation of the discharge lamp 500 accompanying the rotation of the base 510 is restricted by the receiving portion 514 of the flange 513.
- the tip portion 522 of the discharge lamp 500 is at a position lower than the height of the central axis BZ (that is, below the horizontal plane including the central axis BZ), and the central axis It is configured to be located other than directly below BZ.
- FIG. 7 is a partial cross-sectional view of the base 510 and the clamp 306 in a state where the discharge lamp 500 is attached to the lamp holder 300.
- the lamp body 520, the nut 524, and the like in the base 510 are not shown for the sake of clarity.
- the clamp 306 is provided with a plunger 315 on the surface facing the back surface 309 c of the left flange engaging portion 309. And when the receiving part 514 of the flange 513 contact
- FIG. 1 is a partial cross-sectional view of the base 510 and the clamp 306 in a state where the discharge lamp 500 is attached to the lamp holder 300.
- the lamp body 520, the nut 524, and the like in the base 510 are not shown for the sake of clarity.
- the clamp 306 is provided with a plunger 315 on
- the flange 513 is fixed so as not to be displaced in the left flange engaging portion 309, and the flange 513 is urged toward the back surface 309c of the left flange engaging portion 309.
- the discharge lamp 500 is urged in the Z-axis negative direction by the urging means of the anode connecting portion 104.
- the plunger 315 is urged. By the force, the flange 513 is positioned in contact with the back surface 309c of the left flange engaging portion 309, which is the reference surface R, with certainty.
- the urging force by the urging means is transmitted to the base 510 via the lamp body 520.
- the lamp body 520 may be damaged due to the urging force when the lamp body 520 is in a high temperature and high pressure state. Therefore, in this embodiment, the function of positioning the flange 513 on the reference plane R is also shared by the plunger 315 so that the urging force by the anode connecting portion 104 does not become unnecessarily high.
- the flange 513 is urged by the plunger 315, a click feeling is obtained when the plunger 315 is fitted into the dish pad 517. Therefore, when the discharge lamp 500 is rotated, the flange 513 is moved to the left flange engaging portion 309. The user can easily recognize that the positioning has been reliably performed.
- the right flange engaging portion 310 has the same configuration as the left flange engaging portion 309.
- the lever 301 After attaching the discharge lamp 500 to the lamp holder 300 in this way, the lever 301 is rotated about the lever shaft 302 to reverse the direction of the lever 301 as shown in FIG. As described above, when the direction of the lever 301 is reversed, the pressing portion 312 projects from the upper side of the opening 311 of the clamp 306 in accordance with the rotation of the lever 301, so that the first body 515 of the base 510 is opened. 311 is pressed and fixed.
- the depth in the X-axis direction of the cut surface 516 shown in FIGS. 5B and 5C is longer than the length in the Y-axis direction when the pressing portion 312 shown in FIG. 3 protrudes into the opening 311. Is formed. Therefore, for example, even if the orientation of the discharge lamp 500 is adjusted as shown in FIG. 6A and the lever 301 is rotated while the discharge lamp 500 is only inserted into the lamp unit 100, the pressing portion 312. Does not come into contact with the first body portion 515, and the base 510 cannot be fixed to the clamp 306 by the pressing portion 312.
- the tip portion 522 of the bulb 521 is located below the horizontal plane including the central axis BZ and other than directly below the central axis BZ. It is configured.
- the tip portion 522 is provided to enclose and seal a discharge medium made of mercury, a rare gas, or the like in the discharge lamp 500, but there is a problem that a recess is formed on the inner surface of the bulb 521. . If a recess is formed on the inner surface of the valve 521, there arises a problem that heat accumulates or mercury accumulates depending on the position.
- the discharge lamp 500 according to the present embodiment is mounted in the lamp unit 100 in a horizontal posture (that is, on the XZ plane), the position of the tip portion 522 in the Y-axis direction is more than the central axis BZ.
- the height is high (that is, above the horizontal plane including the central axis BZ), there is a concern that the tip portion 522 accumulates heat, concentrates heat, and shortens the life of the discharge lamp.
- the discharge lamp 500 is mounted in the lamp unit 100, if the tip portion 522 is located directly below (that is, the Y axis direction negative side), mercury accumulates in the tip portion 522, so that the mercury evaporates.
- the tip portion 522 when the discharge lamp 500 is mounted in the lamp unit 100, the tip portion 522 is positioned below the horizontal plane including the central axis BZ and other than directly below the central axis BZ. This problem has been solved by configuring this. In addition, when the tip portion 522 is viewed from the direction of the central axis BZ, an imaginary straight line connecting the central axis BZ and the tip portion 522 intersects a horizontal plane including the central axis BZ at an angle of approximately 45 °. It is desirable to be disposed obliquely below the central axis BZ.
- the flange 513 of the discharge lamp 500 is made asymmetrical with respect to a point, thereby restricting the insertion direction of the discharge lamp 500 into the lamp unit 100 and preventing the discharge lamp 500 from being mounted incorrectly.
- the discharge lamp 500 can be attached to the lamp unit 100 in an appropriate posture by restricting the rotational position of the base 510 by the receiving portion 514 of the flange 513 and the cut surface 516 of the base 510. Yes.
- the discharge lamp 500 When exchanging the discharge lamp 500, an operation of removing the base 510 from the lamp holder 300 is performed, the discharge lamp 500 is pulled out from the lamp unit 100, and the discharge lamp 500 is mounted on the lamp unit 100 as described above.
- the lamp when the lamp is replaced (that is, immediately after the lamp is turned off), not only the lamp body 520 but also the bases 510 and 530 are very hot. And the discharge lamp 500 cannot be immediately removed from the lamp unit 100, resulting in downtime (non-operating time). Therefore, in the present embodiment, in order to shorten this down time, the discharge lamp 500 is attached and detached using the lamp replacement jig 600.
- FIG. 8 is a schematic external view of a lamp replacement jig 600 (lamp attachment / detachment tool) in the present embodiment.
- FIG. 8B is a view when the arrangement of the lamp replacement jig 600 of FIG. 8A is rotated by 180 ° about the cylindrical axis. 8A and 8B respectively show a front view, a top view, and a rear view of the lamp replacement jig 600 in order from the left.
- FIG. 9 is a perspective view showing a state in which the lamp replacement jig 600 is attached to the discharge lamp 500 according to the present embodiment.
- the lamp replacement jig 600 is a hollow cylindrical member made of a metal such as brass or stainless steel. As shown in FIGS.
- the front end (rear side) of the main body 601 of the lamp replacement jig 600 penetrates from the outer peripheral surface to the inner peripheral surface, and engage pins 512 of the base 510.
- the engagement grooves 602 and 603 are formed in plane symmetry at positions facing each other at the tip of the main body 601.
- the engagement groove 602 is a groove that engages with the engagement pin 512 when the discharge lamp 500 is mounted on the lamp unit 100, and the engagement groove 603 removes the discharge lamp 500 from the lamp unit 100. It is a groove to be engaged with the engagement pin 512 at the time.
- the inner peripheral surface of the lamp replacement jig 600 is reduced in diameter on the base end side of the lamp replacement jig 600, and an annular index portion 604 is formed on the base end face of the lamp replacement jig 600. Yes.
- the indicator portion 604 is provided so that the positions of the engagement grooves 602 and 603 at the tip can be seen.
- An index “SET” is assigned to a position corresponding to the engagement groove 602, and an index “RELEASE” is assigned to a position corresponding to the engagement groove 603.
- the engaging pin 512 of the base 510 When the engaging pin 512 of the base 510 is inserted into the tip opening 602a of the engaging groove 602 and the lamp replacement jig 600 is rotated clockwise in the XY plane, the engaging pin 512 is moved along the engaging groove 602. When engaged and the engaging pin 512 advances to the end portion 602b, the base 510 and the lamp replacement jig 600 are completely fixed in the rotation direction (clockwise direction) and the Z direction. On the other hand, when the engaging pin 512 of the base 510 is inserted into the tip opening 603a of the engaging groove 603 and the lamp replacement jig 600 is rotated counterclockwise on the XY plane, the engaging pin 512 is engaged with the engaging groove. When engaged along the line 603 and the engaging pin 512 advances to the end part 603b, the base 510 and the lamp replacement jig 600 are completely fixed in the rotation direction (counterclockwise direction) and the Z direction.
- An annular leaf spring 605 is disposed on the back side of the indicator portion 604 (that is, the step portion on the inner peripheral surface).
- the leaf spring 605 is a member obtained by folding an annular thin plate made of a metal such as stainless steel.
- the leaf spring 605 is disposed so that the top of the mountain fold faces the tip side of the lamp replacement jig 600.
- the leaf spring 605 of the lamp replacement jig 600 is Since the base end surface of the two body portions 511 is urged toward the distal end side of the discharge lamp 500 along the axis BZ, the engagement pin 512 is fixed at the end portion 602b of the engagement groove 602 by this urging force. Therefore, the discharge lamp 500 can be held integrally with the lamp replacement jig 600.
- the engagement groove 603 and the engagement pin 512 are also engaged except that the main body 601 is rotated counterclockwise, and the engagement pin 512 is fixed at the end portion 603a.
- the plate spring 605 may be replaced with various springs such as a disc spring as long as it has the above-described function.
- the discharge lamp 500 since the discharge lamp 500 is held using the lamp replacement jig 600, the discharge lamp 500 can be replaced with a lamp unit even when the discharge lamp 500 is in a high temperature state. It can be removed from 100 and replaced with a new discharge lamp. For this reason, the downtime at the time of lamp replacement
- the discharge lamp 500 is mounted on the lamp unit 100
- the lamp replacement door 200 is opened, and the lamp unit 100 is exposed from the housing 10 (FIG. 1).
- the discharge lamp 500 is inserted into the engagement groove 602 provided at the tip of the main body 601 corresponding to the index “SET” attached to the index portion 604 of the lamp replacement jig 600.
- the engaging pin 512 provided in the base 510 is inserted, and the main body 601 is rotated clockwise until the engaging pin 512 is positioned at the end 602b of the engaging groove 602.
- the base 510 is connected.
- FIG. 10 is a diagram sequentially illustrating how the discharge lamp 500 is mounted on the lamp unit 100.
- the discharge lamp 500 integrated with the lamp replacement jig 600 is inserted into the opening 311 of the clamp 306 of the lamp holder 300. That is, as shown in FIG. 6A, the discharge lamp 500 is inserted with the central axis BZ aligned with the central axis AZ of the opening 311.
- the upper end surface 513 a of the flange 513 is the inner peripheral surface 309 a of the left flange engaging portion 309 of the clamp 306, and the lower end surface 513 b of the flange 513 is the right flange engaging portion 310 of the clamp 306.
- the direction of the discharge lamp 500 is adjusted using the lamp replacement jig 600 so as to face the inner peripheral surface 310a.
- the anode-side base 530 comes into contact with the anode connection portion 104 of the lamp unit 100 and the anode connection portion 104 is slightly Z. While pushing in the axial positive direction, the flange 513 stops against the front surface 306a of the clamp 306 (FIG. 6B). As described above, since the anode connecting portion 104 has a biasing means (not shown), it biases the discharge lamp 500 in the negative Z-axis direction by the repulsive force against the pressing of the base 530. Next, as shown in FIG.
- the lamp replacement jig 600 when the lamp replacement jig 600 is rotated about 90 ° clockwise in the XY plane with the flange 513 pressed against the clamp 306, the lamp replacement jig is obtained.
- the flange 513 rotates in accordance with the rotation of 600, and the peripheral edge (arc portion) of the flange 513 is accommodated in the left flange engaging portion 309 and the other in the right flange engaging portion 310, respectively.
- the biasing force of the plunger 315 is biased toward the Z-axis negative direction side, and the base 530 is biased toward the Z-axis negative direction side due to the biasing force of the anode connecting portion 104.
- the flange 513 is positioned in contact with the reference surface R of the clamp 306 with certainty.
- the lamp replacement jig 600 is rotated counterclockwise as shown in FIG. Release the engagement and pull out in the negative direction of the Z-axis.
- the lamp replacement jig 600 is pulled out, the mounting of the discharge lamp 500 to the lamp unit 100 is completed as shown in FIG.
- the lamp replacement door 200 is closed and the lamp unit 100 is accommodated in the housing 10.
- a high voltage is applied between the anode connecting portion 104 and the lamp holder 300 by a lighting circuit (not shown) of the lamp unit 100.
- the voltage applied to the anode connecting portion 104 is applied to the anode (not shown) in the bulb 521 via the anode-side base 530.
- the voltage applied to the lamp holder 300 is applied to the cathode (not shown) in the bulb 521 via the cathode-side base 510.
- the discharge lamp 500 lights stably.
- the flange 513 of the base 510 is accurately positioned on the reference plane R, the position of the arc bright spot in the bulb 521 coincides with the position of the first focus of the elliptical mirror 103. ing. For this reason, the light emitted from the discharge lamp 500 can be efficiently guided to the emission port of the light source device 1.
- FIG. 11 is a diagram sequentially illustrating how the discharge lamp 500 is removed from the lamp unit 100.
- the lamp replacement door 200 is opened so that the lamp unit 100 is exposed in the same manner as when the discharge lamp 500 is mounted.
- the lamp replacement jig 600 is fitted into the second body 511 of the base 510.
- the engagement pin 512 is inserted into the engagement groove 603 provided at the tip of the main body 601 corresponding to the index “RELEASE” attached to the index part 604 of the lamp replacement jig 600.
- FIG. 11B the main body 601 is rotated counterclockwise until the engagement pin 512 is positioned at the end 603b of the engagement groove 603, and the lamp replacement jig 600 and the base 510 are rotated.
- the lever 301 is rotated around the lever shaft 302 to reverse the direction of the lever 301.
- the pressing portion 312 moves in the positive direction of the Y axis
- the pressing and fixing of the first body portion 515 of the base 510 is released
- the first portion 515 retracts to a position where it does not protrude into the opening 311.
- the lamp replacement jig 600 is rotated approximately 90 ° counterclockwise as shown in FIG.
- the flange 513 rotates with the rotation of the lamp replacement jig 600, the fitting between the plunger 315 and the dish pad 517 of the flange 513 is released.
- the lamp replacement jig 600 is rotated so that the flange 513 does not overlap the left flange engaging portion 309 and the right flange engaging portion 310 in the Z-axis direction, that is, the discharge lamp. 500 is moved to the same position (see FIG. 10 (b)) when it is inserted into the clamp 306.
- the lamp replacement jig 600 is pulled in the negative Z-axis direction at that position, the flange 513 passes between the left flange engaging portion 309 and the right flange engaging portion 310, and the discharge lamp 500 is pulled out from the lamp unit 100. be able to.
- FIG. 11E the lamp replacement jig 600 is rotated so that the flange 513 does not overlap the left flange engaging portion 309 and the right flange engaging portion 310 in the Z-axis direction, that is, the discharge lamp. 500 is moved to the same position (see FIG. 10 (b)) when it is inserted into the clamp 306.
- the flange 513 passes between the left
- the lamp replacement jig 600 is used so that the discharge lamp 500 can be replaced. Therefore, even when the discharge lamp 500 is replaced immediately after the lamp is turned off due to factors such as lamp life or malfunction, the discharge lamp 500 is securely held without being directly touched to the high temperature base 510 and pulled out from the lamp unit 100. A new discharge lamp 500 ′ can be mounted on the lamp unit 100 while avoiding erroneous mounting. For this reason, the downtime at the time of discharge lamp replacement
- the base 510 includes the second body portion 511, but the second body portion 511 is not necessarily required.
- FIG. 12 is a view showing a modification of the discharge lamp 500 of the present embodiment.
- the cathode side base 710 of the discharge lamp 700 is not provided with the second body portion, and is configured by only the first body portion 715 and the flange 713. This is different from the discharge lamp 500 of the form.
- opening holes 725 and 726 are formed on the base end face side of the flange 713, and the lamp replacement jig 800 has projections 805 and 806 having a shape fitted to the opening holes 725 and 726, a screw portion 723, and a nut.
- the discharge lamp 700 can be rotated by fitting the protrusions 805 and 806 of the lamp replacement jig 800 into the opening holes 725 and 726 of the flange 713, as in the present embodiment, The discharge lamp 700 can be easily replaced.
- the insertion direction when the discharge lamp 500 is inserted into the lamp unit 100 is regulated by forming the flange 513 in an asymmetrical shape with respect to the central axis BZ, but this is limited to this configuration. It is not done. Other configurations may be applied as long as the insertion direction is restricted, and the lengths of Ll, Lr, La, Lb, and d may be changed as appropriate.
- the flange 513 of the present embodiment is configured such that the distance from the axis AZ to the upper end surface 513a is shorter than the distance from the axis AZ to the lower end surface 513b, but conversely from the axis AZ to the upper end surface 513a.
- the distance may be longer than the distance from the central axis BZ to the lower end surface 513b.
- the flange 513 has a shape in which the upper end and the lower end are respectively D-cut.
- the present invention is not limited to this configuration, and the outer peripheral edge of the flange 513 is in relation to the central axis BZ. Any shape that is asymmetric with respect to the point can be adopted.
- the outer peripheral edge of the flange 513 is non-axisymmetric with a straight line (virtual straight line) extending in the X-axis direction passing through the central axis BZ as a symmetric axis when viewed from the central axis BZ direction. It is formed in a line-symmetric shape with a straight line (virtual straight line) passing through the central axis BZ and extending in the Y-axis direction as a symmetry axis, so that it is asymmetrical as a whole, but it is attached to the lamp holder 300 If possible, other shapes can be applied.
- FIGS. 13 to 15 are views showing modifications of the flange 513 formed on the base 510 of the present embodiment.
- 13 (a) to (f) FIGS. 14 (a) to (f) and FIG. 15 (a) are modified examples of the flange 513 when viewed from the central axis BZ direction, as in FIG. 5 (a).
- the flanges (parts corresponding to the flanges 513) of the respective modified examples are indicated by solid lines, and other parts (the outer periphery of the second body part 511, etc.) are indicated by broken lines.
- FIG. 15B is a perspective view of a base (a part corresponding to the base 510) in which the flange shown in FIG. 15A is formed.
- unidirectional arrows indicate the X axis and the Y axis that are orthogonal to the central axis BZ.
- FIG. 13A is a view showing a first modification of the flange 513.
- the flange 513A of this modification is different from the flange 513 of this embodiment in that the receiving portion 514 is not formed.
- the upper end surface 513Aa is a parallel pin. Rotation is restricted by contacting with 308.
- the length (first length) of the imaginary perpendicular dropped from the upper end surface 513Aa of the flange 513A formed along the Y-axis direction to the X axis is m1
- the length (second length) of the virtual perpendicular to the axis is m2
- the outer peripheral edge of the flange 513A formed in the X-axis direction that is, the left end surface 513Ac (arc portion) of the flange 513A and the right side
- the length (third length) of the imaginary straight line connecting the end surface 513Ad (arc portion) and the central axis BZ is n1, m1 and m2 are different, and n1 is longer than both m1 and m2.
- the outer peripheral edge of the flange 513A of the present modification is formed in a non-linear symmetry with respect to the X axis and in a line symmetry with respect to the Y axis when viewed from the central axis BZ direction. It is formed asymmetric with respect to the central axis BZ. Therefore, according to the flange 513A having such a shape, when the discharge lamp 500 is inserted into the lamp unit 100, the insertion direction of the base 510A (that is, the direction of the discharge lamp 500) can be regulated.
- FIG. 13B is a diagram illustrating a second modification of the flange 513.
- the outer peripheral edge of the flange 513B of this modification is different from the flange 513 of this embodiment in that it is formed in an elliptical shape centered on the central axis BZ.
- An X-axis direction negative side left end surface 513Bc and an X-axis direction positive side right end surface 513Bd formed in an elliptical arc shape are formed.
- the length (first length) of the longest virtual perpendicular among the virtual perpendiculars drawn from the upper end surface 513Ba of the flange 513B formed along the Y-axis direction with respect to the X-axis is m1.
- the outer peripheral edge of the flange 513B of this modification is formed in a non-axisymmetric shape with respect to the X axis and a symmetrical shape with respect to the Y axis when viewed from the central axis BZ direction. It is formed asymmetric with respect to the central axis BZ. Therefore, according to the flange 513B having such a shape, the insertion direction of the base 510B (that is, the direction of the discharge lamp 500) can be restricted when the discharge lamp 500 is inserted into the lamp unit 100.
- FIG. 13C is a diagram showing a third modification of the flange 513.
- the outer peripheral edge of the flange 513C of the present modified example has a shape in which the arc portion of the flange 513A of the first modified example is combined with part of the left end surface 513Bc and the right end surface 513Bd of the flange 513B of the second modified example. Yes. That is, the upper end surface 513Ca and the lower end surface 513Cb of the flange 513C are formed in an elliptical arc shape, and the first quadrant region of the right end surface 513Cd and the third quadrant region of the left end surface 513Cc are arcs centered on the central axis BZ.
- the region in the second quadrant of the left end surface 513Cc and the region in the fourth quadrant of the right end surface 513Cd are formed by elliptic arcs centered on the central axis BZ.
- a concave portion 513Ce that is recessed in an arc shape is formed between the upper end surface 513Ca and the right end surface 513Cd
- a recessed portion 513Cf that is recessed in an arc shape is formed between the lower end surface 513Cb and the left end surface 513Cc.
- the length (first length) of the longest virtual perpendicular among the virtual perpendiculars drawn from the upper end surface 513Ca of the flange 513C formed along the Y-axis direction to the X-axis is m1.
- n1 is longer than both m1 and m2.
- the outer peripheral edge of the flange 513C of this modification is formed in a non-linear symmetry with respect to the X axis and also in a non-linear symmetry with respect to the Y axis when viewed from the central axis BZ direction. And is formed asymptotically with respect to the central axis BZ. Therefore, the flange 513C having such a shape can restrict the insertion direction of the base 510C (that is, the direction of the discharge lamp 500) when the discharge lamp 500 is inserted into the lamp unit 100.
- FIG. 13D is a diagram showing a fourth modification of the flange 513.
- the outer peripheral edge portion of the flange 513D of the present modified example has four straight lines (that is, a polygonal shape) corresponding to the left end surface 513Ac (arc portion) and the right end surface 513Ad (arc portion) of the flange 513A of the first modified example.
- (Ii) is different from the flange 513A of the first modified example in that it is formed.
- the length (first length) of the imaginary perpendicular drawn from the upper end surface 513Da of the flange 513D formed along the Y axis direction to the X axis is m1
- the length (second length) of the virtual perpendicular to the axis is m2
- the outer peripheral edge of the flange 513D formed in the X-axis direction that is, the left end surface 513Dc and the right end surface 513Dd of the flange 513D
- the outer peripheral edge of the flange 513D of the present modification is formed in a non-linear symmetry with respect to the X axis and in a line symmetry with respect to the Y axis when viewed from the central axis BZ direction. It is formed asymmetric with respect to the central axis BZ. Therefore, according to the flange 513D having such a shape, the insertion direction of the base 510D (that is, the direction of the discharge lamp 500) can be restricted when the discharge lamp 500 is inserted into the lamp unit 100.
- FIG. 13 (e) is a diagram showing a fifth modification of the flange 513.
- the outer peripheral edge portion of the flange 513E of this modification has a shape in which the right side of the flange 513B of the second modification and the left side of the flange 513A of the first modification are combined. That is, the left end surface 513Ec of the flange 513E is formed by an arc centered on the central axis BZ, and the right end surface 513Ed of the flange 513E is formed by an elliptical arc centered on the central axis BZ.
- the length (first length) of the longest virtual perpendicular among the virtual perpendiculars drawn from the upper end surface 513Ea of the flange 513E formed along the Y-axis direction with respect to the X axis is m1.
- the length of the longest virtual perpendicular (second length) among the virtual perpendiculars lowered from the lower end surface 513Eb to the X axis is m2, and the outer peripheral edge of the flange 513E formed in the X axis direction (that is, When the length of the longest virtual straight line (third length) among the virtual straight lines connecting the left end face Ec and the right end face Ed) of the flange 513E and the central axis BZ is n1, m1 and m2 are different from each other, and It is formed so that n1 is longer than both m1 and m2.
- the outer peripheral edge portion of the flange 513E of this modification is formed in a non-linear symmetry with respect to the X axis and also in a non-linear symmetry with respect to the Y axis when viewed from the central axis BZ direction. It is formed in an astigmatism with respect to the central axis BZ. Therefore, according to the flange 513E having such a shape, the insertion direction of the base 510E (that is, the direction of the discharge lamp 500) can be restricted when the discharge lamp 500 is inserted into the lamp unit 100.
- FIG. 13 (f) is a diagram showing a sixth modification of the flange 513.
- the outer peripheral edge of the flange 513F of the present modification is along the outer periphery of the second body 511 with the lower left part (third quadrant area) and upper right part (first quadrant area) of the flange 513A of the first modification.
- the cutout portion 513Fg is formed in the first quadrant region, and the cutout portion 513Fh is formed in the third quadrant region.
- a concave portion 513Ff that is recessed in an arc shape is formed between the left end surface 513Fc of the flange 513F and the notch portion 513Fh, and a convex shape that protrudes in an arc shape is formed between the right end surface 513Fd and the notch portion 513Fg.
- Part 513Fe is formed.
- the length (first length) of the longest virtual perpendicular among the virtual perpendiculars lowered from the upper end surface 513Fa of the flange 513F formed along the Y-axis direction with respect to the X-axis is m1.
- the length of the longest virtual perpendicular (second length) among the virtual perpendiculars lowered from the lower end surface 513Fb with respect to the X axis is m2, and the outer peripheral edge of the flange 513F formed in the X axis direction (that is, When the length of the longest virtual straight line (third length) among the virtual straight lines connecting the left end surface 513Fc and the right end surface 513Fd) of the flange 513F and the central axis BZ is n1, m1 and m2 are different from each other, and It is formed so that n1 is longer than both m1 and m2.
- the outer peripheral edge of the flange 513F of this modification is formed in a non-linear symmetry with respect to the X axis and also in a non-linear symmetry with respect to the Y axis when viewed from the central axis BZ direction. And is formed asymptotically with respect to the central axis BZ. Therefore, according to the flange 513F having such a shape, when the discharge lamp 500 is inserted into the lamp unit 100, the insertion direction of the base 510F (that is, the direction of the discharge lamp 500) can be regulated.
- FIG. 14A is a view showing a seventh modification of the flange 513.
- the flange 513G of the present modified example has a first flange portion 513G1, a second flange portion 513G2, and a flange portion 513G1 extending in a direction of 45 °, 135 °, 225 °, and 315 ° around the central axis BZ. It is comprised from the 3rd flange part 513G3 and the 4th flange part 513G4.
- the upper ends of the first flange portion 513G1 and the second flange portion 513G2 are notched so as to be parallel to the X axis, and an upper end surface 513Ga is formed.
- the lower ends of the third flange portion 513G3 and the fourth flange portion 513G4 are notched so as to be parallel to the X axis, and a lower end surface 513Gb is formed. Also in this modification, the length (first length) of the longest virtual perpendicular among the virtual perpendiculars drawn from the upper end surface 513Ga of the flange 513G formed along the Y-axis direction with respect to the X axis is m1.
- the length of the longest virtual perpendicular (second length) among the virtual perpendiculars lowered from the lower end surface 513Gb to the X axis is m2, and the outer peripheral edge of the flange 513G formed in the X axis direction (that is, An imaginary straight line connecting the right end surface 513G1d of the first flange portion 513G1, the left end surface 513G2c of the second flange portion 513G2, the left end surface 513G3c of the third flange portion 513G3 and the right end surface 513G4d) of the fourth flange portion 513G4, and the central axis BZ.
- the length (third length) of the longest virtual straight line is n1, m1 and m2 are different, and n1 is any of m1 and m2. It is formed to be longer. That is, the outer peripheral edge of the flange 513G of this modification is formed in a non-linear symmetry with respect to the X axis and a line symmetry with respect to the Y axis when viewed from the central axis BZ direction. It is formed asymmetric with respect to the central axis BZ. Therefore, according to the flange 513G having such a shape, when the discharge lamp 500 is inserted into the lamp unit 100, the insertion direction of the base 510G (that is, the direction of the discharge lamp 500) can be regulated.
- FIG. 14B is a diagram illustrating an eighth modification of the flange 513.
- the flange 513H of the present modified example has a first flange portion 513H1 and a second flange formed so as to protrude in a substantially trapezoidal shape in directions of 30 °, 150 °, 210 °, and 330 ° around the central axis BZ.
- Part 513H2, third flange part 513H3 and fourth flange part 513H4 a fifth flange part 513H5 formed so as to protrude upward along the Y-axis direction, and a downward protrusion along the Y-axis direction.
- a sixth flange portion 513H6 formed in the above.
- An upper end surface 513Ha parallel to the X axis is formed at the upper end of the fifth flange portion 513G5.
- a lower end surface 513Hb parallel to the X axis is formed at the lower end of the sixth flange portion 513G6.
- the length (first length) of the longest virtual perpendicular among the virtual perpendiculars lowered from the upper end surface 513Ha of the flange 513H formed along the Y-axis direction with respect to the X-axis is m1.
- the length of the longest virtual perpendicular (second length) among the virtual perpendiculars lowered from the lower end surface 513Hb to the X axis is m2, and the outer peripheral edge of the flange 513H formed in the X axis direction (that is, The right end face 513H1d of the first flange part 513H1, the left end face 513H2c of the second flange part 513H2, the left end face 513H3c of the third flange part 513H3, and the right end face 513H4d of the fourth flange part 513H4) and the imaginary straight line connecting the central axis BZ.
- the length (third length) of the longest virtual straight line is n1, m1 and m2 are different, and n1 is any of m1 and m2. It is formed to be longer. That is, the outer peripheral edge of the flange 513H of this modification is formed in a non-linear symmetry with respect to the X axis and in a line symmetry with respect to the Y axis when viewed from the central axis BZ direction. It is formed asymmetric with respect to the central axis BZ. Therefore, according to the flange 513H having such a shape, the insertion direction of the base 510H (that is, the direction of the discharge lamp 500) can be restricted when the discharge lamp 500 is inserted into the lamp unit 100.
- FIG. 14C is a diagram showing a ninth modification of the flange 513.
- the outer peripheral edge portion of the flange 513I of the present modification has a substantially sector shape as a whole by cutting out a part of the flange 513A of the first modification, and when viewed from the direction of the central axis BZ, A first flange portion 513I1 formed so as to protrude in a substantially trapezoidal shape on the right side (X axis direction positive side) along the axial direction, and a substantially fan shape on the left side (X axis direction negative side) along the X axis direction And a second flange portion 513I2 formed so as to overhang.
- An upper end surface 513Ia inclined downward with respect to the X axis is formed at the upper end of the second flange portion 513I2.
- a lower end surface 513Ib that is inclined upward with respect to the X axis is formed at the lower end of the second flange portion 513I2.
- the length (first length) of the longest virtual perpendicular among the virtual perpendiculars drawn from the upper end surface 513Ia of the flange 513I formed along the Y-axis direction with respect to the X axis is m1.
- the length of the longest virtual perpendicular (second length) among the virtual perpendiculars lowered from the lower end surface 513Ib to the X axis is m2, and the outer peripheral edge of the flange 513I formed in the X axis direction (that is, When the length (third length) of the longest virtual straight line connecting the right end surface 513Id of the first flange portion 513I1 and the left end surface 513Ic of the second flange portion 513I2) and the central axis BZ is n1.
- M1 and m2 are different, and n1 is longer than both m1 and m2.
- the outer peripheral edge of the flange 513I of this modification is formed in a non-linear symmetry with respect to the X axis and also in a non-linear symmetry with respect to the Y axis when viewed from the central axis BZ direction. And is formed asymptotically with respect to the central axis BZ. Therefore, according to the flange 513I having such a shape, when the discharge lamp 500 is inserted into the lamp unit 100, the insertion direction of the base 510I (that is, the direction of the discharge lamp 500) can be regulated.
- FIG. 14 (d) is a diagram showing a tenth modification of the flange 513.
- the outer peripheral edge portion of the flange 513J of this modification has a rice ball-shaped shape with the left end surface 513Jc projecting greatly in the lower left direction and the right end surface 513Jd projecting in the lower right direction.
- the length (first length) of the longest virtual perpendicular among the virtual perpendiculars drawn from the upper end surface 513Ja of the flange 513J formed along the Y-axis direction with respect to the X-axis is m1.
- the length of the longest virtual perpendicular (second length) among the virtual perpendiculars lowered from the lower end surface 513Jb with respect to the X axis is m2, and the outer peripheral edge of the flange 513J formed in the X axis direction (that is, When the length of the longest virtual straight line (third length) among the virtual straight lines connecting the left end face 513Jc and the right end face 513Jd) of the flange 513J and the central axis BZ is n1, m1 is different from m2. It is formed so that n1 is longer than both m1 and m2.
- the outer peripheral edge of the flange 513J of this modification is formed in a non-linear symmetry with respect to the X axis and in a line symmetry with respect to the Y axis when viewed from the central axis BZ direction. It is formed asymmetric with respect to the central axis BZ. Therefore, according to the flange 513J having such a shape, the insertion direction of the base 510B (that is, the direction of the discharge lamp 500) can be restricted when the discharge lamp 500 is inserted into the lamp unit 100.
- FIG. 14 (e) is a diagram showing an eleventh modification of the flange 513.
- the outer peripheral edge portion of the flange 513K of the present modified example is different from the flange 513A of the first modified example in that irregularities are formed in portions corresponding to the right end surface 513Ad and the lower end surface 513Ab of the flange 513A of the first modified example. Is different.
- the length (first length) of the imaginary perpendicular drawn from the upper end surface 513Ka of the flange 513K formed along the Y axis direction to the X axis is m1
- the length (second length) of the longest virtual perpendicular to the axis is m2
- the outer peripheral edge of the flange 513K formed in the X-axis direction (that is, the right end face 513Kd and the left end face) 513Kc) and the longest virtual straight line (third length) of the virtual straight lines connecting the central axis BZ is n1, m1 and m2 are different, and n1 is greater than either m1 or m2.
- the outer peripheral edge of the flange 513K of this modification is formed in a non-linear symmetry with respect to the X axis and also in a non-linear symmetry with respect to the Y axis when viewed from the central axis BZ direction. It is formed in an astigmatism with respect to the central axis BZ. Therefore, according to the flange 513K having such a shape, when the discharge lamp 500 is inserted into the lamp unit 100, the insertion direction of the base 510I (that is, the direction of the discharge lamp 500) can be regulated.
- FIG. 14 (f) is a diagram showing a twelfth modification of the flange 513.
- the outer peripheral edge of the flange 513L of the present modification is different from the flange 513A of the first modification in that it includes an upper end surface 513La, a lower end surface 513Lb, a left end surface 513Lc, and a right end surface 513Ld, which are formed by a predetermined free curve.
- the length (first length) of the longest virtual perpendicular among the virtual perpendiculars drawn from the upper end surface 513La of the flange 513L formed along the Y-axis direction to the X-axis is m1.
- the outer peripheral edge portion of the flange 513L of this modification is formed in a non-linear symmetry with respect to the X axis and also in a non-linear symmetry with respect to the Y axis when viewed from the central axis BZ direction. And is formed asymptotically with respect to the central axis BZ. Therefore, according to the flange 513L having such a shape, when the discharge lamp 500 is inserted into the lamp unit 100, the insertion direction of the base 510L (that is, the direction of the discharge lamp 500) can be regulated.
- FIG. 15 (a) and 15 (b) are views showing a thirteenth modification of the flange 513.
- FIG. The flange 513M of this modification example has a columnar first flange portion 513M1 formed so as to protrude rightward (X-axis direction positive side) along the X-axis direction when viewed from the central axis BZ direction; A cylindrical second flange portion 513M2 formed so as to protrude to the left (X-axis direction negative side) along the X-axis direction, and protrudes downward (Y-axis direction negative side) along the Y-axis direction. It is comprised with the cylindrical 3rd flange part 513M3 formed in this way.
- a right end surface 513Md is formed at the tip of the first flange portion 513M1
- a left end surface 513Mc is formed at the tip of the second flange portion 513M2
- a lower end surface 513Mb is formed at the tip of the third flange portion 513M3. It is formed.
- the outer peripheral surface 510Ma of the base 510M functions as the upper end surface of the flange 513M.
- the length (first length) of an imaginary perpendicular drawn from the upper end surface of the flange 513M formed along the Y-axis direction that is, the outer peripheral surface 510Ma of the base 510M with respect to the X-axis.
- the outer peripheral edge of the flange 513M of this modification is formed in a non-linear symmetry with respect to the X axis and a line symmetry with respect to the Y axis when viewed from the central axis BZ direction. It is formed asymmetric with respect to the central axis BZ. Therefore, according to the flange 513M having such a shape, the insertion direction of the base 510M (that is, the direction of the discharge lamp 500) can be restricted when the discharge lamp 500 is inserted into the lamp unit 100.
- the first flange portion 513M1, the second flange portion 513M2, and the third flange portion 513M3 have a columnar shape.
- the base end side of the flange does not necessarily have to be a plane, and is linear with respect to the reference plane R.
- the shape may be in contact with the reference surface R, or may be embossed on the flat surface so as to be in contact with the reference surface R in a dot shape.
- the longest virtual perpendicular of the virtual perpendiculars drawn from the upper end surface of the flange formed along the Y-axis direction with respect to the X-axis is used.
- the length (third length) n1 of the longest virtual straight line among the virtual straight lines connecting the outer peripheral edge of the formed flange and the central axis BZ is defined, and the outer peripheral edge of the flange is determined from the relationship between these three parameters.
- the shape of the part is specified (that is, m1 and m2 are different and n1 is formed to be longer than both m1 and m2)
- the first to thirteenth modification examples The shape of the outer peripheral edge of the flange can be specified from other viewpoints. It is a function.
- the length (first length) m1 of the longest virtual perpendicular out of the virtual perpendicular drawn from the upper end surface of the flange formed along the Y-axis direction to the X axis, and the X axis from the lower end surface The length (second length) m2 of the longest virtual perpendicular to the virtual perpendicular to be lowered, and the Y-axis from the outer peripheral edge of one end of the flange formed in the X-axis direction (that is, the right end face of the flange)
- the length of the longest perpendicular line (third length) n1 among the virtual perpendicular lines drawn with respect to Y and the outer peripheral edge of the other end of the flange formed in the X-axis direction that is, the left end face of the flange
- the flange 513 of the present embodiment and the flanges 513A to 510M of the first to thirteenth modified examples are such that the sum of n1 and n2 is longer than the sum of m1 and m2. Is formed.
- the cut surface 516 in which a part of the outer peripheral surface is D-cut by the YZ plane is formed on the first body portion 515 of the base 510. Is not necessarily limited to such a configuration.
- the cut surface 516 is opposed to the pressing portion 312 so that the discharge lamp 500 cannot be fixed. 500 is prevented from being erroneously mounted, but unless the base 510 is rotated and the discharge lamp 500 is correctly positioned on the lamp holder 300 (that is, the outer peripheral surface of the first body 515 of the base 510 does not face the pressing portion 312). As long as the discharge lamp 500 cannot be fixed, the cut surface 516 does not necessarily have to be a flat surface.
- a discharge lamp 500A shown in FIG. 16 includes a groove portion 517 that extends in the circumferential direction on the outer peripheral surface of the first body portion 515 of the base 510 and is continuous with the cut surface 516. Different from 500.
- the groove portion 517 is formed in a predetermined range of the first body portion 515 facing the pressing portion 312 when the discharge lamp 500 is inserted into the lamp unit 100 and the base 510 is rotated clockwise.
- the width is slightly larger than the width (diameter) of the tip portion of the pressing portion 312, the depth of the groove portion 517 is deeper than the protruding amount when the pressing portion 312 protrudes into the opening 311, and the tip of the groove portion 517 is
- the discharge lamp 500 is completely mounted, it extends to the front of the outer peripheral surface of the first body portion 515 that faces the pressing portion 312. That is, in this modification, the outer peripheral surface of the first body 515 does not face the pressing portion 312 until the discharge lamp 500 is completely mounted, and the discharge lamp 500 is fixed even if the lever 301 is rotated. It is configured not to be able to.
- a discharge lamp 500B shown in FIG. 17 is a further modification of the discharge lamp 500A shown in FIG. 16, and a groove portion 517M is formed over the distal end portion (the end portion on the positive side in the Z-axis direction) of the first body portion 515. This is different from the groove portion 517 of the discharge lamp 500A shown in FIG. If the groove portion 517M is configured in this manner, the outer peripheral surface of the first body portion 515 does not face the pressing portion 312 until the discharge lamp 500 is completely mounted, like the groove portion 517 of the discharge lamp 500A shown in FIG. The discharge lamp 500 cannot be fixed even if the lever 301 is rotated.
- the pressing portion 312 may be configured not to contact the first body portion 515 of the base 510 until the discharge lamp 500 is completely mounted. For example, when the discharge lamp 500 is completely mounted, only a predetermined area of the first body portion 515 that faces the pressing portion 312 is raised by one step (that is, the distance from the pressing portion 312 is shortened), and the others You may comprise so that a part may become one step lower (that is, the distance with the press part 312 becomes long).
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
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Abstract
Description
Claims (17)
- 先端部と基端部と陰極とを有する発光管と、前記基端部に設けられ前記陰極と電気的に接続された固定用口金と、を有する放電ランプと、
前記固定用口金を着脱可能に支持することにより、前記放電ランプを交換可能に収容するランプユニットと、
前面、背面及び一対の側面を有し、前記ランプユニットを収容する箱形の筐体と、
を備え、
前記固定用口金は、前記発光管と共通の軸心を有し、前記基端部を収容する円筒状の第1胴部と、前記第1胴部の外周面から張り出すように形成されたフランジ部とを有し、
前記ランプユニットは、前記固定用口金が挿入され、前記軸心を中心に第1の回動方向に回動されたときに、前記フランジ部をクランプし、前記固定用口金が前記第1の回動方向とは反対の第2の回動方向に回動されたときに、前記フランジ部のクランプを解除するクランプ部を有し、
前記一対の側面のいずれか一方は、前記前面の近傍に設けられた回動軸を中心に回動し、前記筐体の内側に前記ランプユニットを支持する開閉扉を有し、
前記開閉扉が外側に回動したときに、前記ランプユニットが引き出されて前記クランプ部が露出する
ことを特徴とする光源装置。 - 前記フランジ部は、前記軸心に直交する方向に形成される前記基端部側の端面を備え、
前記クランプ部は、所定の基準面を有し、前記フランジ部をクランプしたときに、前記端面が前記基準面に当接することを特徴とする請求項1に記載の光源装置。 - 前記フランジ部は、
前記端面の第1の方向に沿って形成され、前記固定用口金が前記ランプユニットに挿入されるときに、前記固定用口金の向きを規制する短尺部と、
前記第1の方向と直交する第2の方向に沿って形成され、前記固定用口金が回動されたときに、前記ランプユニットと係合する長尺部と、
を備え、
前記フランジ部の外周縁部は、前記軸心方向から見たときに、前記軸心に対し非点対称形に形成されている
ことを特徴とする請求項2に記載の光源装置。 - 前記フランジ部の外周縁部は、前記軸心方向から見たときに、前記軸心を通り前記第2の方向に延びる直線に対して非線対称形に形成されていることを特徴とする請求項3に記載の光源装置。
- 前記短尺部は、前記軸心を挟んで形成される一方の外周縁部と他方の外周縁部とからなり、
前記軸心に直交する第2の方向に沿う仮想直線に対し、前記一方の外周縁部から下ろされる仮想垂線のうち最も長い仮想垂線の第1の長さと、前記他方の外周縁部から下ろされる仮想垂線のうち最も長い仮想垂線の第2の長さとが異なり、
前記長尺部は、前記軸心を挟んで形成される一端の外周縁部と他端の外周縁部とからなり、
前記軸心と、前記一端及び前記他端の外周縁部とを結ぶ仮想直線のうち最も長い仮想直線の第3の長さは、前記第1の長さ及び前記第2の長さのいずれよりも長いことを特徴とする請求項3又は請求項4に記載の光源装置。 - 前記短尺部は、前記軸心を挟んで形成される一方の外周縁部と他方の外周縁部とからなり、
前記軸心に直交する第2の方向に沿う仮想直線に対し、前記一方の外周縁部から下ろされる仮想垂線のうち最も長い仮想垂線の第1の長さと、前記他方の外周縁部から下ろされる仮想垂線のうち最も長い仮想垂線の第2の長さとが異なり、
前記長尺部は、前記軸心を挟んで形成される一端の外周縁部と他端の外周縁部とからなり、
前記長尺部は、前記軸心を挟んで形成される一端の外周縁部と他端の外周縁部とからなり、
前記軸心に直交する第1の方向に沿う仮想直線に対し、前記一端の外周縁部から下ろされる垂線のうち最も長い垂線の第3の長さと、前記他端の外周縁部から下ろされる垂線のうち最も長い垂線の第4の長さとの和は、前記第1の長さと前記第2の長さとの和よりも長いことを特徴とする請求項3又は請求項4に記載の光源装置。 - 前記一方の外周縁部及び前記他方の外周縁部のそれぞれは、前記第2の方向に平行な直線部を含み、
前記一端の外周縁部及び前記他端の外周縁部のそれぞれは、前記第2の方向に相対する円弧部を含む
ことを特徴とする請求項5又は請求項6に記載の光源装置。 - 前記フランジ部は、板状であることを特徴とする請求項1から請求項7のいずれか一項に記載の光源装置。
- 前記クランプ部は、前記固定用口金の回動を規制する突起部を備え、
前記短尺部は、前記固定用口金が回動されたときに前記突起部と係合する受け部を備えることを特徴とする請求項3から請求項8のいずれか一項に記載の光源装置。 - 前記クランプ部は、前記フランジ部の前記先端部側の端面と当接し、前記固定用口金を前記基端部側に向かって付勢するプランジャを備えることを特徴とする請求項1から請求項9のいずれか一項に記載の光源装置。
- 前記フランジ部の前記先端部側の端面が、前記プランジャの先端が嵌まり込む皿もみ部を備えることを特徴とする請求項10に記載の光源装置。
- 前記ランプユニットは、前記固定用口金が前記ランプユニットに装着されたときに、前記第1胴部の外周面に対して突出して当接し、前記固定用口金を固定する固定手段を備え、
前記第1胴部は、外周面上に、前記固定手段が当接可能な第1の領域と、前記固定手段が当接不可能な第2の領域とを備え、
前記固定用口金が回動されていないとき、前記第2の領域が前記固定手段に対向し、前記固定用口金が回動されたとき、前記第1の領域が前記固定手段に対向することを特徴とする請求項1から請求項11のいずれか一項に記載の光源装置。 - 前記第2の領域は、前記第1胴部の外周面を前記軸心に平行な面で切り欠いた平面であることを特徴とする請求項12に記載の光源装置。
- 前記発光管は、放電媒体を封入し封止するためのチップ部を備え、前記固定用口金が前記ランプユニットに装着されたとき、前記チップ部は、前記軸心を含む水平面よりも下方に位置することを特徴とする請求項1から請求項13のいずれか一項に記載の光源装置。
- 前記フランジ部は、前記第1胴部の前記基端部側の端部に設けられており、
前記固定用口金は、前記第1胴部と共通する軸心を有し、前記フランジ部の前記基端部側の端面から円筒状に突出する第2胴部を有することを特徴とする請求項1から請求項14のいずれか一項に記載の光源装置。 - 前記第1胴部は、前記軸心を中心に対称な位置に配置され、前記第1胴部の前記基端部側の端面に開口する複数の開口孔を備えることを特徴とする請求項1から請求項15のいずれか一項に記載の光源装置。
- 前記ランプユニットは、前記先端部と当接し前記発光管を前記基端部側に付勢する付勢手段を備えることを特徴とする請求項1から請求項16のいずれか一項に記載の光源装置。
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- 2013-12-24 JP JP2014554451A patent/JP5909290B2/ja not_active Expired - Fee Related
- 2013-12-24 WO PCT/JP2013/084478 patent/WO2014104013A1/ja active Application Filing
- 2013-12-24 KR KR1020157019844A patent/KR101835607B1/ko active IP Right Grant
- 2013-12-24 CN CN201380068485.1A patent/CN104884863B/zh not_active Expired - Fee Related
- 2013-12-27 TW TW102148755A patent/TWI629433B/zh not_active IP Right Cessation
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112327580A (zh) * | 2019-11-18 | 2021-02-05 | 凤凰电机公司 | 灯保持用盒体及利用灯保持用盒体的曝光装置用光源 |
JP2021081560A (ja) * | 2019-11-18 | 2021-05-27 | フェニックス電機株式会社 | ランプ保持用カセット、およびそれを用いた露光装置用光源 |
JP7253798B2 (ja) | 2019-11-18 | 2023-04-07 | フェニックス電機株式会社 | ランプ保持用カセット、およびそれを用いた露光装置用光源 |
CN112327580B (zh) * | 2019-11-18 | 2023-10-27 | 凤凰电机公司 | 灯保持用盒体及利用灯保持用盒体的曝光装置用光源 |
Also Published As
Publication number | Publication date |
---|---|
JP5909290B2 (ja) | 2016-04-26 |
KR101835607B1 (ko) | 2018-03-08 |
TWI629433B (zh) | 2018-07-11 |
CN104884863B (zh) | 2018-06-19 |
TW201441533A (zh) | 2014-11-01 |
KR20150103078A (ko) | 2015-09-09 |
WO2014104013A9 (ja) | 2014-12-18 |
JPWO2014104013A1 (ja) | 2017-01-12 |
CN104884863A (zh) | 2015-09-02 |
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