CN100572904C - Light supply apparatus - Google Patents

Light supply apparatus Download PDF

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Publication number
CN100572904C
CN100572904C CNB2007101390692A CN200710139069A CN100572904C CN 100572904 C CN100572904 C CN 100572904C CN B2007101390692 A CNB2007101390692 A CN B2007101390692A CN 200710139069 A CN200710139069 A CN 200710139069A CN 100572904 C CN100572904 C CN 100572904C
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CN
China
Prior art keywords
light
lamp
lamp holder
supply apparatus
bulb socket
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Application number
CNB2007101390692A
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Chinese (zh)
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CN101131231A (en
Inventor
古畝孝幸
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Orc Manufacturing Co Ltd
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Orc Manufacturing Co Ltd
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Publication of CN101131231A publication Critical patent/CN101131231A/en
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Publication of CN100572904C publication Critical patent/CN100572904C/en
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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
    • 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
    • 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
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015—Fastening arrangements intended to retain light sources
    • 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
    • H01J5/48—Means forming part of the tube or lamp for the purpose of supporting it
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention provides a kind of light supply apparatus, it can be simply and detects the installment state of lamp on light supply apparatus exactly.The bulb socket of light supply apparatus (30) is provided with test light source (41A), passes through light transmission path footpath (40A, 40B) and the light accepting part (41B) of the optical fiber of bulb socket (30).The lamp holder protuberance is provided with modulating sections, and this modulating sections has different modulating characteristics with protuberance to light.Under the state that the lamp holder of lamp (20) are not installed, from the light of test light source (41A) via light transmission path footpath (40A, 40B) by light accepting part (41B) perception.When the lamp holder (20) of lamp was installed on the bulb socket (30), the light that sends from test light source (41A) was interdicted by the protuberance of lamp holder, can utilize light accepting part (41B) to perceive lamp is installed.By the detection output of light accepting part (41B), control lighting/non-lighting of lamp.

Description

Light supply apparatus
Technical field
The present invention relates to light supply apparatus, the lamp holder that particularly can detect lamp is installed in the light supply apparatus of the state on the bulb socket.
Background technology
In the exposure light irradiation unit of semiconductor or crystal liquid substrate etc., use optical system, so that can efficiently utilize radiating light with short arc discharge lamp and concave mirror combination.For example, employing has the structure of on the concave mirror of opening short arc discharge lamp being installed at central portion.If the lamp and the concave mirror of spot light are used in combination, then can utilize the ellipsoid of revolution speculum that light is converged on 1, in parabolic mirror, form directional light, use (with reference to patent documentation 1) so obtain wide model.In order to obtain such characteristic, the bright spot of short arc discharge lamp accurately is positioned on the focus of concave mirror.If the different lamp of installation specification is also lighted, then the position of the bright spot of short arc discharge lamp is from the focal shift of concave mirror, the optical property that can not obtain to wish.Moreover, cause discharge lamp to break owing under mistake input power state, lighting sometimes.
Therefore, the following method of using was arranged in the past: on the opposed position of the bulb socket of the lamp holder of lamp and light supply apparatus, be provided with concavo-convex, make this concavo-convex position relation according to the kind of lamp and difference is lighted out of use lamp (with reference to patent documentation 2) to prevent light supply apparatus.By this method, lamp is installed to the operating personnel of light supply apparatus, as long as confirm the concavo-convex not chimeric of lamp holder and bulb socket, just can know inappropriate lamp has been installed on the light supply apparatus.
The applicant has proposed to be provided with the scheme of reading device on bulb socket in Japanese Patent Application 2006-100000 number, this reading device reads the lamp/data that show on the lamp holder.Automatically judge whether the lamp that is installed on the light supply apparatus is suitable lamp,, then manage the user mode of lamp and use resume if judge it is correct lamp.
[patent documentation 1] TOHKEMY 2001-135134 communique
The real complete clear 59-181576 communique of [patent documentation 2] Japan
[patent documentation 3] Japanese Patent Application 2006-100000 specification
But there are the following problems for the conventional lighting sources device: lamp information is being passed in the method for light supply apparatus, because bulb socket is in the condition of high temperature when discharge lamp is lighted, so need the reading device of heat-resisting quantity or the reading device of cooling structure complexity.And when lamp was lighted, when especially beginning to light, bulb socket was in high-voltage state, so need be with reading part and bulb socket electric insulation reliably.The reading device of this structure is very expensive, and, when using for a long time, be difficult to keep the regular event of reading device.And,, also can under concavo-convex not exclusively chimeric state, light sometimes even on the opposed position of lamp holder and bulb socket, be provided with concavo-convexly.Sometimes cause discharge lamp to break when therefore, under crossing the input power state, lighting.
Summary of the invention
The objective of the invention is to, solve above-mentioned existing problem, simply detect the installment state of lamp on light supply apparatus exactly.
In order to solve above-mentioned problem, light supply apparatus of the present invention possesses: lamp, and it has lamp holder, and this lamp holder mechanically keeps bulb and to bulb powered, this bulb constitutes the illuminating part of radiating light; Bulb socket, it keeps lamp via lamp holder; And the lamp detecting unit, it utilizes light to detect lamp holder and is installed in state on the bulb socket, and the lamp holder protuberance is provided with modulating sections, and this modulating sections has different modulating characteristics with protuberance to light, and the lamp detecting unit has: test light source; The light transmission path footpath, it will be transmitted to the modulating sections of lamp holder from the light of test light source; And light accepting part, the variation that its perception produces owing to the existence of lamp holder from the light of test light source.
In order to solve above-mentioned problem, another light supply apparatus of the present invention possesses: lamp, and it has lamp holder, and this lamp holder mechanically keeps bulb and to bulb powered, this bulb constitutes the illuminating part of radiating light; Bulb socket, it keeps lamp via lamp holder; And the lamp detecting unit, it utilizes light to detect lamp holder and is installed in state on the bulb socket, and the lamp detecting unit has: test light source; The light transmission path footpath, it will be transmitted to lamp holder from the light of test light source; And light accepting part, the variation that its perception produces owing to the existence of lamp holder from the light of test light source, bulb socket has: movable pin, it is pushed and moves by lamp holder; And modulating sections, it is arranged on the movable pin, and when lamp holder was installed on the bulb socket, modulation was from the light of test light source.
And movable pin has kind according to lamp holder and changes a plurality of modulating sections from the part that light shone of test light source.Lamp holder and bulb socket have jog, and it is chimeric mutually that this jog forms the abutting part that can make both.Light transmission path directly is an optical fiber.Light supply apparatus also has according to the output of lamp detecting unit controls lighting/the non-unit of lighting of lamp.
By adopting said structure, can detect the installment state of lamp on light supply apparatus steadily in the long term with low cost.
Description of drawings
Fig. 1 is the light supply apparatus in the embodiments of the invention 1, is illustrated in the figure that the state of lamp is installed via lamp holder on the bulb socket that is connected with the optical lamp checkout gear.
Fig. 2 is the light supply apparatus in the embodiments of the invention 1, is illustrated in the profilograph that the state of lamp holder is installed on the bulb socket that is connected with the optical lamp checkout gear.
Fig. 3 is the flow chart that the optical detecting method of the light supply apparatus in the embodiments of the invention 1 is shown.
Fig. 4 is the light supply apparatus in the embodiments of the invention 2, is illustrated in the profilograph that the state of the lamp holder with protuberance is installed on the bulb socket with recess.
Fig. 5 is the light supply apparatus in the embodiments of the invention 3, is illustrated in the figure that the state of lamp is installed via the lamp holder with modulating sections on the bulb socket that is connected with the optical lamp checkout gear.
Fig. 6 is the light supply apparatus in the embodiments of the invention 4, is illustrated in the figure that the state of lamp is installed via lamp holder on the bulb socket with modulating sections that is connected with the optical lamp checkout gear.
Fig. 7 be with embodiments of the present invention 4 in the relevant concept map of mechanism of light-modulating cell of light supply apparatus.
Fig. 8 be with embodiments of the present invention 5 in the relevant schematic diagram of mechanism of light-modulating cell of light supply apparatus.
Symbol description
1 anode; 2 negative electrodes; Rod is led in 3 inside; 4 metal formings; 5 sealed tube portions; Rod is led in 7 outsides; 8 silver solders; 9 illuminating parts; 10 bulbs; 20 lamp holders; 21 cylindrical portion; The end face of 22 cylindrical portion; 23 protuberances; 24,124,224 modulating sections; 25 protuberances; 30 bulb sockets; The hole portion of 31 bulb sockets; The end face of 32 bulb sockets; 35 recesses; 40,40A, 40B light transmission path footpath; 41 lamp checkout gears; The 41A test light source; The 41B light accepting part; 42 light-modulating cells; 44 movable pins; 45 spring portions; 46 switch holes.
The specific embodiment
Below, with reference to Fig. 1～Fig. 8, detailed description is used to implement best mode of the present invention.
[embodiment 1]
Embodiments of the invention 1 are by light transmission or are interdicted the light supply apparatus that the lamp holder that detects lamp is installed to the state of bulb socket.
Fig. 1 is the light supply apparatus in the embodiments of the invention 1, is illustrated in the outside drawing that the state of lamp is installed on the bulb socket with light transmission path footpath.Fig. 2 (A) is the profilograph with the bulb socket in light transmission path footpath.Fig. 2 (B) is the profilograph of the state of the lamp holder of installation lamp on the bulb socket with light transmission path footpath.Among Fig. 1 and Fig. 2, anode 1 is the electrode of side of the positive electrode.Negative electrode 2 is electrodes of negative side.It is support electrode and the parts that are electrically connected that rod 3 is led in inside.Metal forming 4 is that rod and outside parts of leading the rod electrical connection are led in inside.Sealed tube portion 5 will have the discharge space and the outside part of cutting off the ground sealing of electrode.It is parts that lamp holder and metal forming are electrically connected that rod 7 is led in the outside.Silver solder 8 is rod to be led in the horizontal outside of lamp holder be electrically connected the also parts of mechanical connection.
Illuminating part 9 is to come luminous part by interelectrode discharge.Bulb 10 is the fluorescent tubes that are made of illuminating part and sealed tube portion.Lamp holder 20 is to be used for the parts that mechanically keep bulb and be electrically connected.Cylindrical portion 21 is large-diameter portions of lamp holder.End face 22 is ends of the cylindrical portion of lamp holder.Protuberance 23 is minor diameter parts of lamp holder.Bulb socket 30 is the parts that mechanically keep lamp holder and be electrically connected.Hole portion 31 is spaces of the bulb socket that enters of the protuberance of lamp holder.Light transmission path footpath 40A is from the light transmission path footpath of test light source to bulb socket.Light transmission path footpath 40B is from the light transmission path footpath of bulb socket to light accepting part.Test light source 41A is the light source that is used to detect the installment state of lamp holder.Light accepting part 41B is the light accepting part that is used to detect the installment state of lamp holder.Fig. 3 illustrates the detection step of installment state of lamp and the flow chart of the determining step that could light.
As shown in Figure 1, lamp is by constituting as the lower part: bulb 10, and it is made of illuminating part 9 and 2 sealed tube portions 5; Anode 1 and negative electrode 2, they become configuration relatively in illuminating part; Rod 3 is led in inside, and it supports these anodes 1 and negative electrode 2 and switches on; Rod 7 is led in the outside; And sealed tube portion 5, it utilizes conductive metal paper tinsel 4 that rod 3 is led in this inside and leads rod with the outside and 7 be connected, and seals airtightly.In addition, in the sealed tube portion 5 at two ends, be fixed with lamp holder 20.Lamp holder 20 is made of cylindrical portion 21 and protuberance 23, and this cylindrical portion 21 is fixed in the sealed tube portion 5, and this protuberance 23 is connected with cylindrical portion 21.Bulb socket 30 is fixed on the light supply apparatus.The lamp checkout gear 41 that is made of test light source 41A and light accepting part 41B is connected with lamp holder 20 via light transmission path footpath 40.
As shown in Figure 2, be provided with first light transmission path footpath 40A by bulb socket 30.On an end face in this light transmission path footpath 40, be connected with test light source 41A.Other end 40AA opens wide in the hole of bulb socket 30 one 31.With an end face 40BB and the opposed mode of end face 40AA second light transmission path footpath 40B by bulb socket 30 is set.The other end is connected with light accepting part 41B.Two light transmission path footpath 40A, 40B preferred light transmit good and the good optical fiber of electrical insulating property, but also can be glass bars.Test light source 41A to the lamp checkout gear of light transmission path footpath radiating light is LED (light-emitting diode: light emitting diode) etc.Test light source 41A uses the LED of monochromatic light (for example red) etc., so that do not obscure with the exterior light such as light of lamp.And the light that sends from test light source 41A can be constant monochromatic light, as long as but can prevent to obscure with exterior light, also can be the light of polychromatic light or pulse type.
The function and the action of the light supply apparatus in the embodiments of the invention 1 that constitute in the above described manner are described.At first, with reference to Fig. 1, the summary of the function of light supply apparatus is described.The protuberance 23 of lamp holder 20 is embedded in the hole portion 31 of bulb socket 30, utilizes light supply apparatus to keep lamp.Arrive the hole portion 31 of bulb socket 30 by light transmission path footpath 40A from the light of test light source 41A.If do not have lamp holder 20 on the bulb socket 30, then light arrives light accepting part 41B by light transmission path footpath 40B.Light accepting part 41B will convert the signal of telecommunication to from the light in light transmission path footpath.If have lamp holder 20 on the bulb socket 30, then light does not arrive light accepting part 41B, has lamp holder 20 on the bulb socket 30 so can detect.If light accepting part 41B is penetrated by the high-octane illumination of lamp, then be subjected to the optical property deterioration.Therefore, use optical fiber etc. on the light transmission path footpath, covering outer light enters into light accepting part 41B, thereby prevents light accepting part 41B deterioration.And, preventing to become the exterior light of interference, can detect accurately.
Then, with reference to Fig. 2, the detection method of lamp holder is described.Shown in Fig. 2 (A), when on the bulb socket 30 lamp holder 20 not being installed, via the 40A transmission of light transmission path footpath, emit to from end face 40AA in the hole portion 31 of bulb socket 30 from the light of the test light source 41A of lamp checkout gear.Light incides light transmission path footpath 40B by the space of the hole portion 31 of bulb socket 30 from end face 40BB, is transmitted to the light accepting part 41B of lamp checkout gear.Utilize light accepting part 41B to detect light, lamp holder 20 is not installed thereby detect.
Shown in Fig. 2 (B), when on the bulb socket 30 lamp holder 20 being installed, the spatial interpolation of the hole portion 31 of bulb socket 30 goes into to have the protuberance 23 of lamp holder 20, so covered by the protuberance 23 of lamp holder 20 via the light of light transmission path footpath 40A conduction, can not incide light transmission path footpath 40B.Adopt this mode, detect less than light, can detect the lamp holder 20 that lamp is installed on the bulb socket 30 of light supply apparatus according to light accepting part 41B.Further, only when lamp holder 20 is installed in state on the bulb socket 30 (end face 22 of the cylindrical portion 21 of lamp holder 20 and the state of the end face butt of bulb socket 30) reliably, utilize protuberance 23 shield light of lamp holder 20, by adopting said structure, be installed in state on the bulb socket 30 reliably thereby can detect lamp holder 20.Like this, the protuberance 23 of lamp holder 20 plays a role as the light-modulating cell that the light of incident is modulated.Modulation under this situation is meant from the blocking of the light of test light source or light is passed through.
Then, with reference to Fig. 3, the installment state that detects lamp, the method that judgement could be lighted are described.
When (A) light supply apparatus was in the replacing holding state of lamp, according to the output signal from Account Dept, the light that sends from the test light source 41A of lamp checkout gear was sent to bulb socket 30 via light transmission path footpath 40A.Light shines in the hole portion 31 of bulb socket 30 from the end face 40AA of light transmission path footpath 40A.When lamp not being installed on the light supply apparatus, light incides light transmission path footpath 40B by the space of the hole portion 31 of bulb socket 30 from end face 40BB, is transmitted to light accepting part 41B.Utilize the optical sensor of light accepting part 41B, convert light to the signal of telecommunication.On the other hand, when on the light supply apparatus lamp being installed, the protuberance 23 of lamp holder 20 is inserted in the space of hole portion 31 of bulb socket 30, so the light via the 40A conduction of light transmission path footpath is covered by the protuberance 23 of lamp holder 20, can not incide light transmission path footpath 40B, can be from the signal of telecommunication of light accepting part 41B output expression light detection.
(B) output from light accepting part 41B is imported into Account Dept, and Account Dept is according to the light detecting signal that has or not from light accepting part 41B, and judgement could be lighted lamp.Send the light time of polychromatic light or pulse type from the test light source 41A of lamp checkout gear, by in Account Dept, relatively sending to the output signal of test light source 41A and from the input signal of light accepting part 41B from Account Dept, thereby can get rid of the outside input signal that stray light produced, prevent malfunction.
(C) by not confirming not from the light detecting signal of light accepting part 41B and other safety in the light supply apparatus (for example, the door of light supply apparatus whether keep not opening etc.), be judged as under the situation that to light lamp in Account Dept, lamp is lighted in the permission of demonstration/operating member, lights automatically or is lighted by the operating personnel.Have the light detecting signal from light accepting part 41B, Account Dept is judged as in the time of can not lighting lamp, can not light lamp forcibly, or gives a warning to the operating personnel, to prevent lighting lamp under unsuitable state.
The test light source 41A of bulb socket 30, lamp checkout gear and light accepting part 41B only utilize light transmission path directly to connect.By abundant prolongation light transmission path footpath, the lamp checkout gear that is made of test light source 41A, light accepting part 41B can be placed on by hot environment or high-octane light (comprising ultraviolet ray or infrared ray) when lighting lamp and wait in the environment of isolation.Even bulb socket 30 is in the condition of high temperature, high-voltage state, Optical devices can not be affected yet, so can receive and dispatch light exactly.Therefore, the lamp checkout gear that the price of heat-resisting quantity and high voltage withstanding property is high device of still being used for the cool down lamp checkout gear etc. does not need.And, can prevent the deterioration of caused lamp checkout gears such as heat, the lamp holder that can long term maintenance detects lamp reliably is installed in the state on the bulb socket of light supply apparatus.
As mentioned above, in the embodiments of the invention 1, light supply apparatus has adopted by making light transmission still make light interdict the structure that the lamp holder that detects lamp is installed in the state on the bulb socket, so can detect the installment state of lamp simply easily reliably.
[embodiment 2]
Embodiments of the invention 2 are to be provided with concavo-convex on the opposed position of the bulb socket of the lamp holder of lamp and light supply apparatus and to make this concavo-convex position relation according to the kind of lamp and different light supply apparatuses.
Fig. 4 is the light supply apparatus in the embodiments of the invention 2, is illustrated in the profilograph that the state of the lamp holder with protuberance is installed on the bulb socket with recess.Among Fig. 4, protuberance 25 is the protuberances that are arranged at the end face of lamp holder.End face 32 is end faces of the lamp holder side of bulb socket.Recess 35 is the recesses of end face that are arranged at the lamp holder side of bulb socket.Other basic structure is identical with embodiment 1.
As shown in Figure 4, has protuberance 25 on the end face 22 of the cylindrical portion 21 of lamp holder 20.Has recess 35 on the end face 32 of bulb socket 30.Because the protuberance 25 of lamp holder 20 is not inserted in the recess 35 of bulb socket 30, so the protuberance 25 of lamp holder 20 and end face 32 butts of bulb socket 30.The end face 22 of cylindrical portion 21 and the end face 32 of bulb socket 30 be butt not.Therefore, lamp correctly is not installed on the light supply apparatus.
With respect to this, if lamp correctly is installed on the light supply apparatus, then the protuberance 25 of lamp holder 20 is inserted in the recess 35 of bulb socket 30, the end face 22 of cylindrical portion 21 and end face 32 butts of bulb socket 30.Only when the state of the end face 22 of the cylindrical portion 21 of lamp holder 20 and end face 32 butts of bulb socket 30, light is just interdicted, be installed to state on the bulb socket 30 reliably by adopting said structure can detect lamp holder 20, can prevent under unsuitable installment state, to light lamp.In addition, then concavo-convex not chimeric if the lamp that can not be used for light supply apparatus has been installed, so can prevent to light inappropriate lamp.
In this example, protuberance is set, recess is set, but also can recess be set, protuberance is set in the bulb socket side in the lamp holder side in the bulb socket side in the lamp holder side.And, also a plurality of protuberances and recess can be set, different protuberance of profile and recess perhaps are set, perhaps with they combinations.
As mentioned above, in the embodiments of the invention 2, light supply apparatus adopt on the opposed position of the bulb socket of the lamp holder of lamp and light supply apparatus, be provided with concavo-convex, make this concavo-convex position relation according to the kind of lamp and different structures, so can detect inappropriate lamp has been installed, can have been prevented to light inappropriate lamp.
[embodiment 3]
Embodiments of the invention 3 are the light supply apparatuses that detect the installation of lamp by the light that the modulating sections that is arranged at lamp holder is modulated.
Fig. 5 is the light supply apparatus in the embodiments of the invention 3, is illustrated in the profilograph that the state of the lamp holder with modulating sections is installed on the bulb socket with light transmission path footpath.Among Fig. 5, modulating sections 24 is catoptrical parts.Other basic structure is identical with embodiment 1.
As shown in Figure 5, the protuberance 23 of lamp holder 20 is provided with modulating sections 24.Light transmission path footpath 40 only is provided with 1 on bulb socket 30.One end in light transmission path footpath 40 is connected with light accepting part 41B with the test light source 41A of lamp checkout gear.The other end in light transmission path footpath 40 opens wide in the hole of bulb socket 30 one 31.
Herein, light modulated be meant with from the reflection of the light of test light source, not reverberation (non-reflection), change reflection of light amount (comprising diffusion) and be incident light (changing light wavelength distributes) catoptrical characteristic changing.And modulating sections is meant the part of carrying out following action: will reflect from the light of test light source or not reflect or change volume reflection or change catoptrical spectral characteristic.Also can form the modulating sections of sending fluorescence.Light accepting part 41B is the optical sensor with detectability corresponding with light modulating method.
Installing on the light supply apparatus under the situation of lamp in mode with end face 22 butts of the cylindrical portion 21 of the end face of bulb socket 30 and lamp holder 20,24 pairs of light of the protuberance 23 of lamp holder 20 and modulating sections have different modulating characteristics, so light accepting part 41B can utilize via light transmission path footpath 40 light that send, detect lamp and be with which type of circumferencial direction towards being installed on the bulb socket 30.
Modulating sections 24 is with the end face in light transmission path footpath 40 when opposed, and the illumination of sending from the test light source 41A of lamp checkout gear is mapped to modulating sections 24, so utilize the light of modulating sections 24 modulation to be subjected to light by light accepting part 41B.Modulating sections 24 is with the end face in light transmission path footpath 40 when opposed, and the illumination of sending from the test light source 41A of lamp checkout gear is mapped to the protuberance 23 beyond the modulating sections 24, so be sent the light accepting part 41B of lamp checkout gear by the light of protuberance 23 modulation.As mentioned above, it is opposed that light accepting part 41B can detect the end face in which and light transmission path footpath 40 of modulating sections 24 or protuberance 23 according to the light that is subjected to, thus can judge lamp circumferencial direction towards.
With respect to this, when on the bulb socket 30 lamp holder 20 not being installed, the light that test light source 41A sends emits in the hole portion 31 of bulb socket 30 via 40 transmission of light transmission path footpath.Light emits to the light diffusion in hole portion 31 in the hole portion 31 of bulb socket 30, so can not be sent to light accepting part 41B.Thus, light supply apparatus can detect lamp is not installed.Also can detect lamp and not be installed on the light supply apparatus by being subjected to light by 31 modulation of hole portion.
The variation of embodiment 3 then, is described.Lamp holder is whole when using the good material of light reflectivity height and hear resistance and electric conductivity, only utilizes modulating sections 24 to use the low material of light reflectivities, just can form the good lamp holder of hear resistance and electric conductivity.And the modulating characteristic by light is set can also detect the kind of lamp according to the kind of lamp and different modulating sections.When the material of lamp holder is identical with the material of modulating sections, be subjected to light according to the reflective character modulation of the material of lamp holder.Light supply apparatus is judged lamp by normal mounting according to the signal of telecommunication that produces on the light accepting part.
The example of light modulated is shown herein.Use the material have the characteristic of white light total reflection in the modulating sections 24, utilize test light source to send white light and when shining modulating sections, white light is directly by the light accepting part foldback.Have the material that white light is modulated into the optical modulation property of blue light if use in the modulating sections 24, then the white light from test light source is modulated into blue light, sends to light accepting part.If use the material that has the characteristic of white light diffusion or absorption in the modulating sections 24, even then will shine modulating sections from the white light of test light source, light can not turn back to light accepting part yet.Under this situation, the light of total reflection was not sent to light accepting part when lamp was installed.
As mentioned above, in embodiments of the invention 3, light supply apparatus adopts the light of modulating by the modulating sections that is arranged at lamp holder to detect the structure of lamp, so can also detect the kind of lamp, can prevent to install the lamp that is unsuitable for light supply apparatus.
[embodiment 4]
Embodiments of the invention 4 are light supply apparatuses that modulating sections is set on movable pin, and described movable pin moves when lamp holder is embedded on the bulb socket.
Fig. 6 is the light supply apparatus in the embodiments of the invention 4, is illustrated in the profilograph that the state of lamp is installed on the bulb socket that is provided with light-modulating cell.Fig. 7 is that the part that is connected with the light-modulating cell of light transmission path bulb socket is directly amplified profilograph.Among Fig. 6 and Fig. 7, movable pin 44 is the pins that are arranged in the bulb socket, and modulating sections is installed, and moves by lamp holder.Spring portion 45 is springs of releasing movable pin.Switch hole 46 is holes that movable pin moves.Other basic structure is identical with embodiment 1.
As shown in Figure 6, bulb socket 30 is made of hole portion 31, light transmission path footpath 40 and light-modulating cell 42.Hole portion 31 is that the protuberance 23 by the lamp holder 21 that inserts lamp remains on part on the light supply apparatus with lamp.Light-modulating cell 42 is to modulate unit from the light of test light source according to the installment state of lamp.Light modulated be meant with from the reflection of the light of test light source, not reverberation (non-reflection), change reflection of light amount (comprising diffusion), change catoptrical characteristic (changing light wavelength distributes).Light-modulating cell is meant from the reflection of the light of test light source or do not reflect or change volume reflection or change the unit of catoptrical spectral characteristic.According to the installment state of lamp, modulating sections is moved, in case opposed with the end face 40C in light transmission path footpath 40, so light supply apparatus can detect the installment state of lamp.
With reference to Fig. 7, light-modulating cell is described.Light-modulating cell 42 is made of switch hole 46, spring portion 45, movable pin 44 and modulating sections 124.One end of spring portion 45 is fixed on the bottom of switch hole 46.Apply power at the other end, so that release movable pin 44 from the end face of bulb socket.Movable pin 44 is cylindric, is inserted in the switch hole 46 cylindraceous.When on the bulb socket lamp holder not being installed, release the part of movable pin 44 from the end face 32 of bulb socket.When on the bulb socket lamp holder being installed, the end face 22 of the cylindrical portion by lamp holder is pushed into movable pin 44 inside of switch hole 46.So modulating sections 124 is connected with on movable pin 44 and the movable pin interlock, and move according to the amount that movable pin is pushed into.The amount that light-modulating cell is pushed into according to movable pin 44 changes the opposed modulating sections of end face 44C with the light transmission path footpath.By changing the light of sending to the light accepting part of lamp checkout gear, light supply apparatus can detect the installment state of lamp.That is, light-modulating cell is played a role as a kind of photoswitch.
Shown in Fig. 7 (A), when the lamp holder of lamp was not installed on the bulb socket, light-modulating cell was not pushed into, so movable pin 44 is outstanding from the end face 32 of bulb socket.The end face 40C in light transmission path footpath is in opening-wide state, is mapped to the inside of switch hole 46 from the illumination of lamp checkout gear, and diffusion takes place.Therefore,, also can judge it is not the reverberation that reaches scheduled volume, lamp is not installed thereby light supply apparatus can detect according to light accepting part output even the light accepting part of lamp checkout gear is not subjected to light or diffused light turns back to light accepting part slightly.
Shown in Fig. 7 (B), if the lamp holder of lamp is installed on the bulb socket, then the movable pin 44 of light-modulating cell is pushed into bulb socket end face 32.At this moment, the end face 40C and the modulating sections 124 in light transmission path footpath are opposed, so illumination is mapped to modulating sections 124, the light accepting part of lamp checkout gear is subjected to the light that modulating sections 124 is modulated, thereby light supply apparatus can detect the installment state of lamp.The amount that the lamp checkout gear can be pushed into according to the movable pin of light-modulating cell detects does not install lamp or lamp is installed by halves or lamp etc. correctly is installed.
As mentioned above, in the embodiments of the invention 4, light supply apparatus is provided with the light-modulating cell that can change with the light transmission path opposed modulating sections of end face directly on bulb socket, so can detect the installment state of lamp holder.
[embodiment 5]
Embodiments of the invention 5 are light supply apparatuses that the protuberance that is provided with on the cylindrical portion end face of lamp holder is inserted into light-modulating cell, the utilization of the bulb socket modulating sections light modulated corresponding with the length of protuberance.
Profilograph is amplified in the part of light-modulating cell that Fig. 8 is among the light supply apparatus of embodiments of the invention 5, be connected with the bulb socket in light transmission path footpath.Fig. 8 (A) is the figure that the state that lamp is not installed is shown.Fig. 8 (B) is the figure that the state of the lamp that the lamp holder that does not have protuberance has been installed is shown.Fig. 8 (C) is the figure that the state of the lamp that the lamp holder with protuberance has been installed is shown.
Shown in Fig. 8 (A), when the lamp holder of lamp was not installed in bulb socket, light-modulating cell was not pushed into, so movable pin 44 is outstanding from the end face 32 of bulb socket.The end face 40C in light transmission path footpath is in opening-wide state, and the illumination of sending from the test light source of lamp checkout gear is mapped to the inside of switch hole 46 and by diffusion.Therefore, the light accepting part of lamp checkout gear is not subjected to light, so light supply apparatus can detect lamp is not installed.
Shown in Fig. 8 (B), if the lamp that does not have the lamp holder of protuberance on the end face 22 that has in cylindrical portion is being installed on the bulb socket, then the movable pin 44 of light-modulating cell is pushed into bulb socket end face 32.At this moment, the end face 40C and the modulating sections 224A in light transmission path footpath are opposed, so illumination is mapped to modulating sections 224A, the light accepting part of lamp checkout gear is subjected to the light that modulating sections 224A is modulated.Thus, light supply apparatus detects smooth (the not having protuberance) lamp of end face has been installed.Thus, can judge out of use inappropriate lamp in the light supply apparatus has been installed.
Shown in Fig. 8 (C), if the lamp holder 20 with protuberance 25 has been installed on bulb socket 30, then the movable pin 44 of light-modulating cell is pushed into the inside by protuberance 25 from bulb socket end face 32.If the movable pin of light-modulating cell is pushed into the inside of the hole portion of light-modulating cell, then the end face 40C and the modulating sections 224B in light transmission path footpath are opposed.Illumination is mapped to modulating sections 224B, and the light accepting part of lamp checkout gear is subjected to the light that modulating sections 224B is modulated.Thus, light supply apparatus can detect the installment state of lamp.
The movable pin of light-modulating cell further is pushed into inside, and the end face 40C and the movable pin 44 in light transmission path footpath are opposed.Illumination is mapped to movable pin 44, light reflection that will be corresponding with the optical modulation property of movable pin 44.Thus, can detect the lamp that out of use kind is installed.If pushing of the movable pin 44 of the light-modulating cell that protuberance 25 causes is insufficient, then the both sides of the end face 40C in light transmission path footpath and modulating sections 224A and modulating sections 224B are opposed.Illumination is mapped to the both sides of modulating sections 224A and modulating sections 224B.Under this situation, light supply apparatus is judged as lamp and is in not installment state fully.
According to the amount that the movable pin of light-modulating cell is pushed into, the installment state that can detect lamp is lamp is not installed or lamp is installed by halves or diverse lamp has been installed or which state of the lamp etc. of correct kind correctly has been installed.Especially, for the lamp of possible wrong kind of installing, change height, the profile of the set-up mode or the change protuberance of protuberance according to the polarity of each lamp.In this way, can make light supply apparatus not light the lamp of inappropriate lamp or unsuitable installment state.And, can be the polarity of unaccommodated lamp, lamp or the situation of kind mistake to operating personnel's warning.
As mentioned above, in the embodiments of the invention 5, light supply apparatus has adopted protuberance has been set on the cylindrical portion end face of lamp holder, protuberance has been inserted into the structure of the light-modulating cell of bulb socket, suitably installs so can detect suitable lamp.
Utilizability on the industry
Light supply apparatus of the present invention is preferably examined as making up simply exactly with concave mirror The light source dress of installment state of short arc discharge lamp of the exposure of semiconductor or crystal liquid substrate etc. is carried out in survey Put use. Also be suitable as the light source dress of other the installment state that can detect simply exactly lamp Put use.

Claims (6)

1. a light supply apparatus is characterized in that, described light supply apparatus possesses:
Lamp, it has lamp holder, and this lamp holder mechanically keeps bulb and to bulb powered, this bulb constitutes the illuminating part of radiating light;
Bulb socket, it keeps described lamp via described lamp holder; And
The lamp detecting unit, it utilizes light to detect described lamp holder and is installed in state on the described bulb socket,
Described lamp holder protuberance is provided with modulating sections, and this modulating sections has different modulating characteristics with described protuberance to light,
Described lamp detecting unit has: test light source; The light transmission path footpath, it will be transmitted to the described modulating sections of described lamp holder from the light of described test light source; And light accepting part, the variation that its perception produces owing to the existence of described lamp holder from the light of described test light source.
2. a light supply apparatus is characterized in that, described light supply apparatus possesses:
Lamp, it has lamp holder, and this lamp holder mechanically keeps bulb and to bulb powered, this bulb constitutes the illuminating part of radiating light;
Bulb socket, it keeps described lamp via described lamp holder; And
The lamp detecting unit, it utilizes light to detect described lamp holder and is installed in state on the described bulb socket,
Described lamp detecting unit has: test light source; The light transmission path footpath, it will be transmitted to described lamp holder from the light of described test light source; And light accepting part, the variation that its perception produces owing to the existence of described lamp holder from the light of described test light source, described bulb socket has: movable pin, it is pushed and moves by described lamp holder; And modulating sections, it is arranged on the described movable pin, and when described lamp holder was installed on the described bulb socket, modulation was from the light of described test light source.
3. light supply apparatus according to claim 2 is characterized in that, described movable pin has a plurality of modulating sections that kind according to described lamp holder changes the part that the illumination from described test light source is mapped to.
4. according to any described light supply apparatus of claim 1～3, it is characterized in that described lamp holder and described bulb socket have jog, described jog forms and makes that both abutting parts are chimeric mutually.
5. according to any described light supply apparatus of claim 1～3, it is characterized in that described light transmission path directly is an optical fiber.
6. according to any described light supply apparatus of claim 1～3, it is characterized in that described light supply apparatus also has according to the output of described lamp detecting unit controls lighting/the non-unit of lighting of described lamp.
CNB2007101390692A 2006-08-23 2007-07-24 Light supply apparatus Active CN100572904C (en)

Applications Claiming Priority (2)

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JP2006226044A JP4031508B1 (en) 2006-08-23 2006-08-23 Light source device

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JP6425110B2 (en) * 2013-01-30 2018-11-21 ウシオ電機株式会社 Light source device and projector
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KR20080018102A (en) 2008-02-27

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