WO2003093724A1 - Lampe - Google Patents

Lampe Download PDF

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Publication number
WO2003093724A1
WO2003093724A1 PCT/JP2003/005633 JP0305633W WO03093724A1 WO 2003093724 A1 WO2003093724 A1 WO 2003093724A1 JP 0305633 W JP0305633 W JP 0305633W WO 03093724 A1 WO03093724 A1 WO 03093724A1
Authority
WO
WIPO (PCT)
Prior art keywords
lamp
guide
unit
mounting member
lamp holding
Prior art date
Application number
PCT/JP2003/005633
Other languages
English (en)
Japanese (ja)
Inventor
Kazuhito Sakai
Tohru Suda
Yoshihumi Kanai
Original Assignee
Carmate Mfg.Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Carmate Mfg.Co., Ltd. filed Critical Carmate Mfg.Co., Ltd.
Priority to JP2004501844A priority Critical patent/JP4176712B2/ja
Publication of WO2003093724A1 publication Critical patent/WO2003093724A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/076—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by electrical means including means to transmit the movements, e.g. shafts or joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/17—Discharge light sources
    • F21S41/172—High-intensity discharge light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving light sources

Definitions

  • the present invention relates to a lamp unit for lighting, and more particularly to a lamp unit suitable for a case where a high-intensity discharge lamp is used as a headlight of a vehicle.
  • HID lamps High Intensity Discharge lamps
  • HID lamps are characterized by high luminous efficiency and the ability to obtain brighter light. And, if a vehicle already purchased uses a halogen lamp as its headlight, many people would like to replace it with a HID lamp.
  • H4 type halogen lamps have two filaments, each of which emits light when the low beam (passing beam) and high beam (running beam).
  • JIS JISC 7506-1-1
  • This JIS specifies the position of the light emitting point during low beam and high beam, with the front surface of the flange of the mounting member attached to the rear end opening of the reflector as the reference plane. Specifically, the position of the light emitting point at the time of the low beam is 29.5 mm ahead of the reference plane, and the position of the light emitting point at the time of the high beam is 23.5 mm ahead of the reference plane. In addition, the position of the light emitting point in the high beam is set to be 0.8 mm lower than the position of the light emitting point in the low beam.
  • Japanese Patent Laid-Open Publication No. 2001-35211 proposes a lamp unit that moves a HID lamp in an axial direction (a longitudinal direction of a vehicle) using a solenoid.
  • This lamp unit has a guide member (rod) arranged along the moving direction of the HID lamp (discharge tube), and a lamp holding member (socket) that moves along the guide member while holding the HID lamp. are doing.
  • This lamp holding member is urged to the mouth-to-beam position by the urging force of the compression spring.
  • the solenoid drive means
  • the lamp unit described in Japanese Patent Application Laid-Open No. 2000-35021 (hereinafter referred to as a conventional lamp unit) is formed by integrating an HID lamp and a solenoid in series. .
  • the portion protruding rearward from the flange is extremely long. Therefore, the conventional lamp unit cannot be mounted on many types of vehicles because it interferes with other parts provided on the vehicle when mounted on the reflector.
  • the conventional lamp unit since the conventional lamp unit only moves the HID lamp back and forth on its axis, the center position of light emission when the light emitting unit is moved to the high beam position is the same as the low beam position. The height is not enough to satisfy the requirements of JIS.
  • HID lamps also have the characteristic of generating heat at high temperatures when emitting light.
  • the temperatures of the lamp holding member and the guide member also increase, and these members expand.
  • the lamp unit is provided with a sufficient clearance between the guide member and the lamp holding member so that the lamp holding member can move along the guide member even when the lamp holding member and the guide member thermally expand. Need to be secured.
  • the lamp holding member is made of a resin material with a large coefficient of linear expansion and the guide member is made of a metal material with a small coefficient of linear expansion, a large clearance should be secured between the two.
  • the position of the lamp holding member with respect to the guide member varies.
  • the position of the lamp holding member varies at the time of the low beam and the high beam
  • the position of the light emitting portion of the HID lamp also varies.
  • the reflected light from the reflector is not sufficiently obtained, and the intended low beam and high beam cannot be formed.
  • the present invention has been made to solve the above-mentioned drawbacks of the prior art, and has as its object to be able to be mounted on H4-type lamps of many types of vehicles.
  • Another object of the present invention is to enable a lamp to be moved in an oblique direction with a simple structure.
  • An object of the present invention is to obtain good light distribution characteristics between a high beam and a low beam.
  • Another object of the present invention is to reduce the size and save energy.
  • Another object of the present invention is to ensure that the light emitting portion of the HID lamp can be arranged at a predetermined low beam position and high beam position. Disclosure of the invention
  • a first lamp unit includes: a mounting member mounted on a rear end opening of a reflector; a guide portion provided at a central opening of the mounting member and protruding rearward; A lamp holding portion movably provided along the portion, a lamp fixed to a front end portion of the lamp holding portion, protruding from a front surface of the mounting member / arranged in the reflector, and being detachably attached to the guide portion. And a drive unit that is freely mounted and moves the lamp holding unit along the guide unit.
  • the drive unit may be a solenoid, a cam, a stepping motor, a cylinder electromagnet, or the like.
  • the first aspect of the present invention as described above is that the drive unit for moving the lamp holding unit is detachable from the guide unit, so that the drive unit can be removed when the lamp unit is mounted on the reflector. it can.
  • the present invention When mounted on the reflector, the length of the part protruding backward from the lamp holding part can be shortened, interference with vehicle-mounted parts can be eliminated, and it can be easily mounted on many types of vehicles.
  • the second lamp unit according to the present invention further includes a mounting member attached to a rear end opening of the reflector, a central opening of the mounting member, and protruding rearward, with the rear end facing downward.
  • a lamp is provided in the reflector, and a drive unit attached to the guide unit to move the lamp holding unit along the guide unit.
  • the lamp attached to the lamp support is moved diagonally up and down only by moving the lamp support along the inclined guide by a drive unit such as a solenoid. The lamp can be moved obliquely with a simple structure.
  • the lamp is held by the lamp holding portion in parallel with the axis of the mounting member.
  • the lamp is held parallel to the axis of the reflector, that is, horizontally. Therefore, the lamp can be arranged at the high beam position and the mouth beam position in a normal posture, and good light distribution characteristics can be easily obtained.
  • the predetermined angle at which the guide is inclined should be (7.56 ⁇ 1) degrees with respect to the axis of the mounting member.
  • the horizontal distance between the mouth-to-mouth position and the high beam position according to the provisions of JIS is 6 mm, and the vertical (up-down) distance is 0.8 mm. Therefore, by inclining the guide portion by 7.56 degrees with respect to the axis of the mounting member, the light emitting portion of the lamp can be accurately arranged at the low beam position and the high beam position, and good light distribution characteristics can be obtained. Obtainable.
  • a lamp unit according to a third aspect of the present invention is a lamp unit having a guide portion arranged along a moving direction of a lamp, and a lamp holding portion moving along the guide portion while holding the lamp.
  • the lamp holding portion is provided with a tapered ramp side inclined surface, and at the movement limit of the lamp holding portion.
  • a tapered guide-side inclined surface for holding the lamp holding portion at a predetermined position by surface contact with the lamp-side inclined surface is provided.
  • the lamp-side inclined surface and the guide-side inclined surface have the tapered shape, when the lamp holding portion moves along the guide portion, the lamp-side inclined surface becomes the guide-side inclined surface. Guided by face. Then, when the ramp-side inclined surface and the guide-side inclined surface come into surface contact, the lamp holding portion is held at a predetermined movement limit position. Therefore, in the lamp unit of the present invention, even when a large clearance is secured between the guide section and the lamp holding section, the light emitting section of the HID lamp can be accurately arranged at the predetermined mouth-to-mouth and high-beam positions. And good light distribution characteristics.
  • FIG. 1 is a sectional view of a lamp unit according to a first embodiment of the present invention.
  • FIG. 2 is an exploded view of the lamp unit according to the first embodiment.
  • FIG. 3 is a cross-sectional view when the lamp unit according to the first embodiment is mounted on a reflector.
  • FIG. 4 is a diagram for explaining the operation of the lamp unit according to the first embodiment.
  • FIG. 5 is a diagram illustrating the light distribution characteristics of a low beam of a headlamp.
  • FIG. 6 is an explanatory diagram of an arc generated in the light emitting portion of the HID lamp.
  • FIG. 7 is a side sectional view of a lamp unit according to the second embodiment.
  • FIG. 8 (1) is an explanatory diagram of a mouth-to-mouth state of the lamp unit according to the second embodiment, and (2) is an explanatory diagram of a high beam state of the lamp unit according to the second embodiment.
  • FIG. 9 (1) is an explanatory diagram of a low beam state of the lamp unit according to the third embodiment, and (2) is an explanatory diagram of an idle state of the lamp unit according to the third embodiment.
  • FIG. 1 is a sectional view of a lamp unit according to a first embodiment of the present invention
  • FIG. 2 is an exploded view thereof.
  • the lamp unit 10 has a mounting member 12 to be attached to a rear opening of a reflector (lamp) not shown.
  • the mounting member 12 has a shape of an ashtray with a brim when viewed from the side, and is formed so as to satisfy the requirements of the mounting bracket provided for the base of the H4 type automotive light bulb specified in JIS. is there.
  • the front surface of the flange portion 14 of the mounting member 12 is a reference surface 16 that defines the filament position (light emitting position) of the bulb specified in JIS.
  • the mounting member 12 has an opening 18 for disposing the HID lamp 20 as a lamp at the center.
  • a light blocking member 22 is attached to the opening 18 so as to protrude toward the front side of the vehicle (the side in FIG. 1).
  • the light-blocking member 22 is for enabling selection of a traveling beam (high beam) and a low beam (low beam) when the HID lamp 20 is turned on.
  • the light shielding member 22 includes a first light shielding member 24 and a second light shielding member 26 provided at a tip of the first light shielding member 24.
  • the first light shielding member 24 has a cylindrical shape at the front end and the rear end, and has an intermediate portion formed on a half cylinder.
  • the first light-blocking member 24 has an intermediate portion on the half-cylinder disposed below the HID lamp 20 along the axis of the HID lamp 20, and the light emitted from the HID lamp 20 is reflected below the reflector. Surface to prevent reflection from the front of the vehicle.
  • the first light-blocking member 24 has a cylindrical rear end with an upper portion inserted into the opening 18 of the mounting member 12.
  • the second light shielding member 26 is attached to the distal end ring portion 25 of the first light shielding member 24, covers the distal end of the HID lamp 20, and emits light emitted from the HID lamp 20 forward of the vehicle. Is prevented.
  • the first light-blocking member 24 has a traveling beam window 28 formed at an intermediate portion in the longitudinal direction.
  • the traveling beam window 28 reflects light emitted from the light emitting unit 30 when the light emitting unit 30 of the HID lamp 20 moves to a position corresponding to the traveling beam window 28, as described later. To the lower reflective surface, so that a traveling beam can be obtained.
  • a guide portion 32 projects from the opening 18 of the mounting member 12 toward the rear side.
  • the guide portion 32 is formed in a cylindrical shape.
  • the rear end is inclined downward at a predetermined angle.
  • the inclination angle ⁇ is set at the center position of the light emitting section 30 when the HID lamp 20 moves 6 mm rearward from the passing beam position shown in FIG.
  • the angle is 0.8 mm below the passing beam position. That is, the axis b of the guide portion 32 is inclined by 7.56 degrees with respect to the axis a of the mounting member 12. Note that this inclination angle ⁇ can be allowed in the range of (7.56 ⁇ 1) degrees.
  • the light emitting section 30 is arranged at a passing beam position or a traveling beam position substantially specified in JIS, and relatively good light distribution characteristics of the passing beam or the traveling beam can be obtained.
  • the guide portion 32 has a half-split structure as shown in FIG. 2, and is composed of a semi-cylindrical upper guide piece 32a and a lower guide piece 32b. It has been done.
  • a lamp support section 34 is movably arranged inside the guide section 32.
  • the lamp support portion 34 is formed of an insulating material such as plastic, and includes a lamp holding portion 36 and a shaft mounting portion 38.
  • the shaft mounting part 38 is provided integrally with the rear part of the lamp holding part 36.
  • the lamp holding portion 36 has a holding hole 40 for inserting the base end side of the HID lamp 20 at the distal end side.
  • the axis of the holding hole 40 intersects the axis of the guide portion 32 and is parallel to the axis of the mounting member 12. Therefore, the HID lamp 20 held in the holding hole 40 is supported by the lamp support portion 34 in a state orthogonal to the reference surface 16 and protrudes from the front surface of the mounting member 12. Therefore, when the lamp unit 10 is mounted on a reflector of a vehicle headlight (not shown), the HID lamp 20 is held horizontally in parallel with the axis of the reflector.
  • the shaft mounting portion 38 has a screw hole 42 on the rear end surface.
  • the tip of a solenoid shaft 44 is screwed into the screw hole 42.
  • the solenoid shaft 44 includes a small-diameter portion on the front end side and a large-diameter portion on the rear end side, and a spring receiver 46 is fitted on the base end of the small-diameter portion.
  • a compression spring 48 penetrating the small diameter portion of the solenoid shaft 44 is interposed between the rear end surface of the shaft mounting portion 38 and the spring receiver 46.
  • the lower guide piece 3 2 b of the guide part 3 2 has a flange part 50 for screwing to the mounting member 12 at the front end and a rear end part at the rear end. It has a connecting portion 52 for fastening to the upper guide piece 32a.
  • the above-described spring receiver 46 is arranged inside the connecting portion 52. For this reason, the compression spring 48 biases the lamp support 34 forward.
  • a plurality of L-shaped engaging claws 54 are provided concentrically on the rear end face of the lower guide piece 32b. To these locking claws 54, a solenoid 56 as a driving unit is detachably mounted.
  • a stopper 55 is provided to determine the forward end position of the lamp support 34.
  • the solenoid 56 includes a casing 58, a solenoid body 60, and a cover 62.
  • the casing 58 has a cylindrical projection 64 integrally formed on the front surface.
  • a central hole 66 through which the large diameter portion of the solenoid shaft 44 penetrates is formed in the front end face of the cylindrical convex portion 64.
  • a plurality of claw holes 68 capable of receiving the locking claws 54 provided on the lower guide piece 32b are formed so as to communicate with the center hole 66. .
  • the lower guide piece 32 b has a cutout 72 in which the code guide 70 is arranged at the lower part on the rear side.
  • the code guide 70 has a semi-cylindrical guide body 7 and a pair of sleeve portions 76. The sleeve portion 76 is formed downward in the case of the embodiment.
  • Each of these sleeve portions 76 passes a power supply cord 78 for lighting the HID lamp 20 drawn out of the lamp support portion 34, and the power supply cord 78 is connected to the guide portion. It is guided to the side of 32, that is, below the guide portion 32.
  • Each of the power supply cords 78 is provided with a coating of silicon rubber, and a male connector 80 and a female connector 82 are attached to the ends.
  • the code guide 70 is movable along the power supply cord 78.
  • a displacement allowance portion 84 is provided in the lower part of the guide body 74.
  • the displacement allowance portion 84 is formed by cutting out the guide body 74, and when the HID lamp 20 is moved in the front-rear direction to switch between the traveling beam and the passing beam, the lamp support portion 3 is provided. It has a length in the front-rear direction that allows displacement of the power supply cord 78 that moves integrally with 4.
  • the sleeve portion 76 of the code guide 70 is formed to have an inner diameter sufficiently larger than the outer shape of the power supply cord 78, thereby facilitating displacement of the power supply cord 78. That is, the inner diameter of the sleeve portion 76 is formed to be 6 to 7 mm, for example, when the outer shape of the power supply cord 78 is 3.5 mm.
  • the lamp unit 10 is mounted on a reflector of a vehicle headlight (not shown).
  • a reflector of a vehicle headlight (not shown).
  • the length from the rear surface of the flange portion 14 of the mounting member 1 2 to the rear end of the solenoid shaft 44 is almost the same as when the socket is mounted on an H4 type bulb specified in JIS. They are the same length.
  • the code guide 70 is moved to the rear along the power supply cord 78, and the sockets 80, 82, and the code guide are inserted from the front side of the genuine waterproof rubber cover 90 mounted on the vehicle. Pass 70 through the hole in the waterproof rubber cover 90. Further, the guide portion 32 is passed through the hole of the waterproof rubber cover 90, and the front end of the waterproof rubber cover 90 is brought into contact with the rear end of the light shielding member 22, and is mounted on the peripheral surface of the guide portion 32.
  • the code guide 70 is movable, the waterproof rubber cover 90 can be easily attached to the lamp unit 10.
  • the code guide 70 is moved upward and fitted into the notch 72 of the lower guide piece 32b.
  • the lamp unit 10 to which the waterproof rubber cover 90 is attached is attached to the rear opening of the reflector by a holding spring (not shown) or the like.
  • a solenoid 56 is attached to the rear end of the guide 32. That is, the locking claw 54 provided on the lower guide piece 32 b is inserted into the claw hole 68 provided in the casing 58 of the solenoid 56, and the solenoid 56 is rotated to form the locking claw 54. Lock it.
  • the lamp unit 10 mounted on the reflector in this manner has the lamp support portion 34 urged forward by the compression spring 48, and therefore, as shown schematically in FIG. In position.
  • the light emitting section 30 is located ahead of the traveling beam window 28. Therefore, if the HID lamp 20 is turned on at this time, since light does not reach the lower reflecting surface of the reflector, a low beam is obtained.
  • the HID lamp 20 is held parallel to the axis of the mounting member 12, that is, perpendicular to the reference plane 16 and parallel to the axis of the reflector. For this reason, the lamp unit 10 can easily and reliably obtain the light distribution characteristics of the passing beam specified in JIS shown in FIG.
  • reference numeral 101 shown in FIG. 5 is a horizontal line of the lamp (reflector)
  • reference numeral 103 is a vertical line of the lamp.
  • Reference numeral 105 in the figure denotes the irradiation range of the passing beam
  • reference numeral 107 denotes the shadow range.
  • the lamp support portion 34 is moved to the rear side along the guide portion 32 integrally with the solenoid shaft 44 to be in the retreat limit position.
  • the HID lamp 20 is Both of them recede, and the light-emitting portion 30 comes to a position corresponding to the traveling beam window 28 provided in the light shielding member 22. At this time, the light emitting section 30 is inclined obliquely downward so that the rear side of the guide section 32 is lower than the front side.
  • the lamp unit 10 of the embodiment has the light emitting section 3 because the axis b of the guide section 32 is inclined by 7.56 degrees with respect to the axis a (horizontal plane) of the mounting member 12 as described above.
  • the height decreases by 0.8 mm. Therefore, the requirements stipulated in JIS are completely satisfied, and good light distribution characteristics can be obtained.
  • the power supply cord 78 is provided with the displacement allowance portion 84 in the code guide 70, it is easily bent and displaced when the lamp support portion 34 is retracted. For this reason, the resistance caused by the displacement of the power supply cord 78 when the lamp support portion 34 is retracted or moved forward can be reduced, and the solenoid 56 as a drive portion can be reduced in size and energy can be saved.
  • the light emitted by the light emitting section 30 that has receded to the traveling beam position enters the lower reflecting surface of the reflector via the traveling beam window 28, is reflected toward the front of the vehicle, and is transformed into a traveling beam (high beam). Form.
  • the HID lamp 20 automatically advances to the passing beam position via the lamp support 34 by the spring force of the compression spring 48.
  • the guide portion 32 for guiding the lamp support portion 34 holding the HID lamp 20 is inclined at a predetermined angle with the rear end side facing downward.
  • the light emitting portion 30 of the HID lamp 20 can be arranged at the passing beam position and the traveling beam position specified in JIS only by moving the lamp support portion 34 by the solenoid 56.
  • the structure can be simplified without the need for a link mechanism.
  • the above embodiment is one aspect of the present invention, and the present invention is not limited to this.
  • the driving unit is the solenoid 56
  • the driving unit may be a stepping motor, an electromagnet, a cam, a cylinder, or the like.
  • a solenoid is used as the drive unit
  • a self-holding type using a magnet may be used as a method of holding the solenoid shaft at the forward limit position and the backward limit position, or a current may be supplied to the solenoid. Retention You may make it do.
  • the code guide 70 is movable along the power supply cord 78
  • the code guide is fixed to the guide portion 32 and the sleeve portion 76 is deformed by itself.
  • the location may be made of a flexible material.
  • the case where the power supply cord 78 is guided below the guide portion 32 has been described, but the power supply cord 78 can be guided in any direction as needed.
  • FIG. 7 is a side sectional view of a lamp unit according to the second embodiment.
  • the lamp unit 10OA according to the second embodiment has substantially the same basic configuration as the lamp unit 10 of the first embodiment.
  • the lamp unit 10A of the second embodiment has a taper-shaped ramp-side inclined surface 37a, 37b provided on a lamp holding member (lamp holding portion) 36a, and a lamp holding member 3A.
  • the tapered guide-side inclined surfaces 13 and 33 that hold the lamp holding member 36a in place are formed. It is provided.
  • the guide member (guide portion) 32a in the embodiment includes a front large-diameter cylindrical portion and a rear small-diameter cylindrical portion, and is formed by aluminum die casting or the like.
  • the lamp holding member 36a disposed inside the guide member 32a has a large-diameter portion at the front and a small-diameter portion at the rear, and is formed of an insulating material such as plastic.
  • the lamp holding member 36a is movably arranged along the guide member 32a.
  • the opening 18 of the mounting member 12 is formed smaller than the large diameter portion of the lamp holding member 36a. Therefore, when the lamp holding member 36a moves forward along the guide member 32a, the lamp holding member 36a comes into contact with the peripheral edge of the opening 18 of the mounting member 12 and stops.
  • the light emitting section 30 of the HID lamp 20 is arranged at the passing beam position 21.
  • the lamp holding member 36a moves rearward along the guide member 32a, the lamp holding member 36a comes into contact with the rear end face of the large-diameter portion of the guide member 32a and stops.
  • the light emitting portion 30 of the HID lamp 20 is arranged at the traveling beam position 23.
  • a chamfered shape is formed to form a ramp-side front inclined surface 37a. Further, a tapered guide-side front inclined surface 13 is also formed on the entire periphery of the opening 18 in the mounting member 12. Then, at the forward limit of the lamp holding member 36a, the lamp-side front inclined surface 37a and the guide-side front inclined surface 13 come into surface contact, and the lamp holding member 32a can be held at a predetermined position. it can. Further, the entire periphery of the rear end face of the large diameter portion of the lamp holding member 36a is chamfered in a tapered shape to form a lamp-side rear inclined surface 37b.
  • a tapered guide-side rear inclined surface 33 is also formed on the entire periphery of the corner between the rear end surface and the side surface of the large-diameter cylindrical portion of the guide member 32a. Then, at the retreat limit of the lamp holding member 36a, the lamp-side rear inclined surface 37b and the guide-side rear inclined surface 33 come into surface contact, and the lamp holding member 36a can be held at a predetermined position. .
  • the ramp-side inclined surfaces 37a and 37b and the guide-side inclined surfaces 13 and 33 do not necessarily need to have tapered inclined surfaces all around. What is necessary is just to form a one-sided inclined surface. However, the interval between adjacent slopes shall be less than 180 °. Also, only the guide-side slopes 13 and 33 are tapered slopes, and projections are formed on the ramp-side slopes 37a and 37b so that they can be in point or line contact. Good.
  • a connecting portion (connecting plate) 52 to the solenoid 56 is formed at the rear end of the guide member 32a.
  • a screw hole 42 into which the small diameter portion of the solenoid shaft 44 is screwed is formed on the rear end face of the lamp holding member 36a.
  • the solenoid shaft 44 consists of a small diameter portion at the front and a large diameter portion at the rear, and the small diameter portion is fixed to the lamp holding member 36a through a through hole in the center of the connecting plate 52. is there.
  • a spring receiver 46 is disposed on the front side of the connecting plate 52, and a compression spring 48 is interposed between the spring receiver 46 and the rear end surface of the lamp holding member 36a. I have. As a result, the compression spring 48 biases the lamp support portion 34 forward, and positions the light emitting portion 30 of the HID lamp 20 at the passing beam position 21.
  • a solenoid 56 is mounted on the connecting portion 52 as a driving portion of the solenoid shaft 44. Solenoid 56 resists the biasing force of compression spring 48 JP03 / 05633
  • the solenoid shaft 44 and the lamp support 34 are moved backward, and the light emitting portion 30 of the HID lamp 20 is arranged at the traveling beam position 23.
  • the solenoid 56 is detachable from the connecting plate 52. By removing the solenoids 56, the length of the lamp unit 10 can be shortened, so that when the lamp unit 10 is mounted on the reflector 8, interference with in-vehicle components can be eliminated. Therefore, the lamp unit 10 can be easily attached to many types of vehicles.
  • the lamp unit 1OA according to the first embodiment configured as described above is used by being attached to the reflector 8 of a vehicle headlamp.
  • the solenoid 56 is formed to be detachable, the solenoid 56 is removed from the guide member 32a, and the solenoid shaft 44 is exposed and attached to the reflector 8.
  • the length from the front surface (reference surface 16) of the flange portion 14 of the mounting member 12 to the rear end of the solenoid shaft 44 is a socket for an H4 type halogen lamp specified in JIS. The length is set to be the same as the length with the.
  • FIG. 8 (1) shows the lamp unit 10A in the passing beam state.
  • the lamp holding member 36a in FIG. 8 (1) is urged forward by the compression spring 48 and is at the forward limit position.
  • the light emitting section 30 of the HID lamp 20 is located ahead of the high beam window 28.
  • the light from the light emitting section 30 in the HID lamp 20 is reflected by the first light shielding member 24 and does not reach the lower reflecting surface of the reflector. As a result, a passing beam is obtained.
  • FIG. 8 (2) shows the lamp unit 10A in a traveling beam state.
  • the solenoid shaft 44 moves rearward against the urging force of the compression spring 48.
  • the lamp holding member 36a connected to the solenoid shaft 44 also moves to the retreat limit position along the guide member 32a.
  • the light emitting section 30 of the HID lamp 20 is located above the high beam window 28. In this case, the light from the light emitting section 30 passes through the high beam window 28, reaches the lower reflecting surface of the reflector, and is reflected forward of the vehicle. As a result, a traveling beam is obtained.
  • the ramp-side rear inclined surface 37 b and the guide-side rear inclined surface 33 are tapered, so that when the lamp holding member 36 a moves rearward, the lamp-side rear inclined surface 37 b Is guided by the guide-side rear inclined surface 33 (see FIG. 8 (1)). Then, when the lamp-side rear inclined surface 37b and the guide-side rear inclined surface 33 come into surface contact, the lamp holding member 36a is held at a predetermined retreat limit position. That is, the lamp holding member 36a is held concentrically with the guide member 32a at the retreat limit position. As a result, the light emitting section 30 of the HID lamp 20 is arranged at the predetermined traveling beam position 23.
  • the lamp holding member 36a When the current supply to the solenoid 56 is stopped and demagnetized, the lamp holding member 36a is urged forward by the compression spring 48 to return to the forward limit position as shown in Fig. 8 (1). I do.
  • the lamp-side front inclined surface 37a and the guide-side front inclined surface 13 are tapered, when the lamp holding member 36a moves forward, the lamp-side front inclined surface 37a Is guided by the guide side front inclined surface 13 (see FIG. 2 (2)).
  • the lamp holding member 36a When the ramp-side front inclined surface 37a and the guide-side front inclined surface 13 come into surface contact, the lamp holding member 36a is held at a predetermined forward limit position. That is, the lamp holding member 36a is held concentrically with the guide member 32a at the forward limit position.
  • the light emitting section 30 of the HID lamp 20 is arranged at a predetermined high beam position 22.
  • the lamp unit 10A has the tapered ramp-side inclined surface provided on the lamp holding member, and has a surface contact with the lamp-side inclined surface at the movement limit of the lamp holding member.
  • a tapered guide-side inclined surface for holding the lamp holding member at a predetermined position is provided. Since the lamp-side inclined surface and the guide-side inclined surface have a tapered shape, when the lamp holding member moves along the guide member, the lamp-side inclined surface is guided by the guide-side inclined surface. Then, when the ramp-side inclined surface and the guide-side inclined surface are in surface contact, the lamp holding member is held at a predetermined movement limit position.
  • the light emitting portion 30 of the HID lamp 20 is accurately and reliably arranged at the predetermined low beam position 21 and the traveling high beam position 23. be able to. As a result, good light distribution characteristics It is possible to form a stable passing beam and a traveling beam, and the H4 type halogen lamp can be used in place of the HID lamp.
  • FIG. 9 is an explanatory diagram of a lamp unit according to the third embodiment.
  • FIG. 9 (1) shows a passing beam state
  • FIG. 9 (2) shows a traveling beam state.
  • the lamp unit 110 according to the third embodiment includes a mounting member 112 attached to a rear end opening of the reflector, and a central opening of the mounting member 112 protruding rearward.
  • Guide member (guide portion) 13 2 a guide groove 16 2 provided on a side surface of the guide member 13 2, and a lamp holder provided movably along the guide member 13 2.
  • 15 and the solenoid shaft 14 and the lamp holding member 13 and 6 A lamp unit 110 having a link member 144 connecting the solenoid shaft 144 and a taper-shaped ramp-side inclined surface 1 37 a and 1 37 b to a lamp holding member 1.
  • the lamp holding member 13 is held in a predetermined position by making surface contact with the ramp side inclined surfaces 13a and 13b at the movement limit of the lamp holding member 13. It is provided with a sloping guide side inclined surface 1 13, 1 3 3. The description of the same configuration as that of the second embodiment is omitted.
  • the guide member 132 in the third embodiment includes a large-diameter cylindrical portion at the front and a small-diameter cylindrical portion at the rear, and is arranged in parallel with the axis of the mounting member 112.
  • a guide groove 162 is formed on the side of the large-diameter cylindrical portion of the guide member 132.
  • the guide groove 16 2 is formed in an elliptical shape, and is positioned at the position where the mouth-to-beam position 1 2 1 and the high-beam position 1 2 2 of the light emitting section 130 of the HID lamp 120 are horizontally moved. Two fixed points of the circle are arranged.
  • a lamp holding member 1 3 comprising a large-diameter portion at the front and a small-diameter portion at the rear. 6 are arranged.
  • the pin 166 protruding from the large diameter portion of the lamp holding member 136 is engaged with the guide groove 162 of the guide member 132.
  • a solenoid shaft 144 is disposed behind the lamp holding member 136 via a link member 144.
  • the link member 144 is pin-connected to the side of the small diameter portion of the lamp holding member 136 and the side of the solenoid shaft 144, respectively.
  • the lamp holding portion 1336 is urged forward by the compression spring 148 and is at the forward limit position.
  • the solenoid shaft 144 is pulled backward as shown in Fig. 9 (2), and the lamp holding member 1336 is moved to the retreat limit position.
  • the pin 166 follows the guide groove 162
  • the lamp holding member 136 also moves downward.
  • the light emitting section 130 of the HID lamp 120 is arranged at the high beam position 122. Since the vertical movement of the lamp holding member 136 is absorbed by the link member 143, the bending moment does not act on the solenoid shaft 144.
  • the lamp holding part 136 is urged by the compression spring 148 as shown in FIG. Return to. At that time, since the pin 166 follows the guide groove 162, the lamp holding member 136 also moves upward. As a result, the light emitting portion 130 of the HID lamp 120 is arranged at the passing beam position 122.
  • the entire periphery of the rear end face of the large-diameter portion of the lamp holding member 1336 is chamfered in a tapered shape to form a ramp-side rear inclined surface 1337b.
  • a tapered guide-side rear inclined surface 133 is also formed on the entire periphery of the corner between the rear end surface and the side surface of the large-diameter cylindrical portion of the guide member 1332.
  • the entire periphery of the front end face of the large diameter portion of the lamp holding member 1336 is chamfered in a tapered shape, and the lamp-side forward slope that is oblique to the traveling direction of the lamp holding member 1336.
  • a surface 13 7a is formed.
  • a tapered guide-side front inclined surface 113 is formed on the entire periphery of the opening of the mounting member 112.
  • the pin protruding from the side surface of the lamp holding member is engaged with the guide groove formed on the side surface of the guide member, and the HID lamp is moved obliquely in the vertical direction using the link mechanism.
  • a taper-shaped ramp-side inclined surface is provided on the lamp holding member, and a taper for holding the lamp holding member in place by making surface contact with the ramp-side inclined surface at the limit of movement of the lamp holding member.
  • the present invention can be used for a head lamp of a vehicle, and in particular, can be used in place of a halogen lamp of H4 type.

Abstract

La présente invention concerne une lampe (10) présentant une partie guide (32) placée dans une partie d'ouverture (18) d'un élément d'installation (12) de manière à faire saillie vers l'arrière. La partie guide (32) est inclinée vers le bas au niveau de son côté d'extrémité arrière selon un angle prédéterminé. Une partie support de lampe (34) est placée mobile dans la partie guide (32). Une lampe à décharge à haute intensité (20) placée sur la partie support de lampe (20) est perpendiculaire à une face de l'élément d'installation (12). Un arbre de solénoïde (44) est vissé au niveau de l'extrémité arrière de la partie support de lampe (34). La partie support de lampe (34) est déplacée par un solénoïde (56) fixé détachable à la partie guide (32) le long de la partie guide (32) par l'intermédiaire de l'arbre de solénoïde (44).
PCT/JP2003/005633 2002-05-02 2003-05-02 Lampe WO2003093724A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004501844A JP4176712B2 (ja) 2002-05-02 2003-05-02 ランプユニット

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2002-130603 2002-05-02
JP2002130603 2002-05-02
JP2002-320780 2002-11-05
JP2002320780 2002-11-05

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WO2003093724A1 true WO2003093724A1 (fr) 2003-11-13

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TW (1) TW200306396A (fr)
WO (1) WO2003093724A1 (fr)

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
KR101458276B1 (ko) 2012-10-18 2014-11-04 현대중공업 주식회사 선박의 발라스트수 처리장치용 자외선 리액터의 자외선 램프 연결 조립체
KR101458278B1 (ko) * 2012-10-24 2014-11-04 현대중공업 주식회사 탄성수단을 구비하는 선박의 발라스트수 처리장치용 자외선 램프 연결 조립체

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1194115A (ja) * 1997-07-25 1999-04-09 Denso Corp 流量制御弁
JP2000033810A (ja) * 1997-10-09 2000-02-02 Nissan Motor Co Ltd 後車軸揺動規制装置および規制方法
JP2000251521A (ja) * 1999-02-26 2000-09-14 Ichikoh Ind Ltd 前照灯
JP2002093220A (ja) * 2000-09-19 2002-03-29 Ichikoh Ind Ltd 自動車用灯具の光源バルブ

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Publication number Priority date Publication date Assignee Title
JPS5820405Y2 (ja) * 1977-02-02 1983-04-27 本田技研工業株式会社 自動車のドア−への配線配管構造
JPS57192603U (fr) * 1981-05-30 1982-12-07
JPH1092208A (ja) * 1996-09-20 1998-04-10 Stanley Electric Co Ltd 車両用前照灯
JP4010100B2 (ja) * 2000-09-19 2007-11-21 市光工業株式会社 車両用灯具の光源バルブ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1194115A (ja) * 1997-07-25 1999-04-09 Denso Corp 流量制御弁
JP2000033810A (ja) * 1997-10-09 2000-02-02 Nissan Motor Co Ltd 後車軸揺動規制装置および規制方法
JP2000251521A (ja) * 1999-02-26 2000-09-14 Ichikoh Ind Ltd 前照灯
JP2002093220A (ja) * 2000-09-19 2002-03-29 Ichikoh Ind Ltd 自動車用灯具の光源バルブ

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TW200306396A (en) 2003-11-16
JP2008251546A (ja) 2008-10-16
JP4523657B2 (ja) 2010-08-11
JPWO2003093724A1 (ja) 2005-09-08
JP4176712B2 (ja) 2008-11-05

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