US20230175676A1 - Lens, vehicle lamp and corresponding vehicle - Google Patents

Lens, vehicle lamp and corresponding vehicle Download PDF

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Publication number
US20230175676A1
US20230175676A1 US17/639,516 US202017639516A US2023175676A1 US 20230175676 A1 US20230175676 A1 US 20230175676A1 US 202017639516 A US202017639516 A US 202017639516A US 2023175676 A1 US2023175676 A1 US 2023175676A1
Authority
US
United States
Prior art keywords
lens
vehicle lamp
antenna
antenna part
vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US17/639,516
Other languages
English (en)
Inventor
Wenqing Chen
Changqi-stone WU
Weifang HUANG
Xiaoling Zhang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
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 Valeo Vision SAS filed Critical Valeo Vision SAS
Assigned to VALEO VISION reassignment VALEO VISION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHEN, WENQING, HUANG, Weifang, WU, Changqi, ZHANG, XIAOLING
Publication of US20230175676A1 publication Critical patent/US20230175676A1/en
Abandoned legal-status Critical Current

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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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/80—Circuits; Control arrangements
    • B60Q3/82—Switches specially adapted for vehicle interior lighting, e.g. switching by tilting the lens
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
    • B60Q3/76—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for spotlighting, e.g. reading lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0485—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the physical interaction between a user and certain areas located on the lighting device, e.g. a touch sensor
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0471—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0471—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
    • F21V23/0478—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person by means of an image recording device, e.g. a camera
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2106/00—Interior vehicle lighting devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/955—Proximity switches using a capacitive detector
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9505—Constructional details
    • H03K2017/9507—Constructional details with illumination
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/96042—Touch switches with illumination
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960785—Capacitive touch switches with illumination

Definitions

  • the present application relates to the technical field of optics, in particular to a lens, a vehicle lamp and a corresponding vehicle.
  • one problem solved by an embodiment of the present application is to enable touch-controlled operation of a vehicle lamp.
  • a lens is provided, characterized in that the lens comprises:
  • a change will occur in a capacitance value of a capacitor formed by the antenna part when the touch region is touched.
  • the antenna part comprises an annular structure, and a central through-hole of the annular structure is configured to transmit the light beam toward the lens part.
  • the antenna part further comprises a flange part, the flange part being formed around the central through-hole, and extending from a surface of the annular structure toward a side remote from the lens part.
  • the flange part can increase the touch sensitivity of the part of the touch region opposite the central through-hole, such that the touch sensitivity is more consistent across the entire touch region.
  • the flange part is a continuous wall-like structure or intermittent wall-like structure surrounding the central through-hole.
  • the annular structure has an arc-shaped surface.
  • the distance between the annular structure having the arc-shaped surface and the lens part can be kept consistent, so that the sensitivity of the touch region opposite the annular structure is kept consistent.
  • the antenna part and the lens part are integrally formed by an overmolding process.
  • the use of overmolding enables the formation of a one-piece member for touch/sensing, thus eliminating a mounting structure and mounting step of mounting the antenna part to the lens part, while also avoiding an air gap between the antenna part and the lens part, thereby increasing the touch sensitivity and reliability.
  • the antenna part further comprises multiple openings arranged on the annular structure.
  • the multiple openings comprise a small hole and/or a groove.
  • Another aspect of the present application further provides a vehicle lamp, comprising any lens as described above, and further comprising a sensing part, a control part and a light source, wherein:
  • the sensing part is configured to provide an electrical connection between the antenna part and the control part
  • control part is configured to perceive a change in a capacitance value of a capacitor formed by the antenna part, and control the on/off of the light source according to the change.
  • the lens part of the vehicle lamp can be utilized to achieve switching control, thus saving space, so that the vehicle lamp is more compact and adaptable to a greater variety of designs.
  • the change occurs in the capacitance value of the capacitor formed by the antenna part when the touch region is touched.
  • the sensing part may be either of the following structures:
  • the vehicle lamp is an in-vehicle reading lamp.
  • Another aspect of the present application further provides a vehicle, comprising any vehicle lamp as described above.
  • FIG. 1 is a schematic 3D view of a vehicle lamp according to an embodiment of the present application
  • FIG. 2 is an exploded schematic diagram of a vehicle lamp according to an embodiment of the present application.
  • FIG. 3 is a schematic drawing of a cross section of the vehicle lamp in FIG. 1 , taken along the axis A-A;
  • FIG. 4 is a schematic structural diagram of an antenna part 200 according to an embodiment of the present application.
  • FIG. 5 is a schematic drawing of a cross section of the lens P 1 lamp in FIG. 2 , taken along the axis B-B.
  • a lens a lens
  • a vehicle lamp corresponding to the lens
  • a vehicle a vehicle
  • the vehicle lamp according to the present application comprises a lens P 1 , a sensing part 300 , a control part (not shown) and a light source 510 .
  • the lens P 1 comprises a lens part 100 and an antenna part 200 .
  • the lens part 100 is configured to transmit a light beam, and comprises a touch region 110 ;
  • the antenna part 200 is electrically conductive, and is at least partially opposite the touch region 110 . If a user touches the touch region 110 , this will cause a capacitance value of a capacitor formed by the antenna part 200 to change.
  • the sensing part 300 is configured to provide an electrical connection between the antenna part 200 and the control part; the control part is configured to perceive a change in the capacitance value of the capacitor formed by the antenna part 200 , and control the on/off switching of the light source 520 according to this change.
  • the lens part 100 may be made of a light-permeable material, for example but not limited to a transparent glass, resin or plastic material, such as transparent PC (polycarbonate), PMMA (polymethyl methacrylate), etc.
  • the lens part 100 may also comprise a supporting part 120 that is integral with the touch region 110 .
  • the antenna part 200 may be a metal member, or may be a non-metal member, but covered with an electrically conductive layer, for example but not limited to an electroplated layer, an electrically conductive ink layer, etc.
  • the antenna part 200 may comprise an annular structure 230 , with a central through-hole 240 of the annular structure 230 being configured to transmit a light beam toward the lens part 100 .
  • the annular structure 230 may be a plate-like structure.
  • the annular structure 230 may have an arc-shaped surface adapted to the lens part 100 ; in this way, the distance between the annular structure 230 and the lens part 100 can be kept consistent, so that the sensitivity of the touch region 110 opposite the annular structure 230 is kept consistent.
  • the antenna part 200 may further comprise a flange part 210 ; the flange part 210 is formed around the central through-hole 240 of the annular structure 230 , and extends from the surface of the annular structure 230 toward the side remote from the lens part 100 .
  • the flange part 210 is a continuous wall-like structure surrounding the central through-hole 240 , but as will be understood, the flange part 210 may also be an intermittent wall-like structure surrounding the central through-hole 240 . Due to the presence of the central through-hole 240 , the touch sensitivity of the part of the touch region 110 opposite the central through-hole will be relatively low. However, the flange part 210 can increase the area of the antenna part 200 opposite a central part of the touch region 110 , thereby increasing the touch sensitivity of this part, such that the touch sensitivity is more consistent across the entire touch region 110 .
  • flange part 210 and annular structure 230 may be a one-piece member.
  • the lens part 100 and antenna part 200 may be a one-piece member, for example but not limited to being formed by an overmolding process.
  • the antenna part 200 further comprises multiple openings 220 arranged on the annular structure 230 , for fixing the lens part 100 to the antenna part 200 during injection molding.
  • the multiple openings 220 may take the form of small holes, but may also take the form of grooves, or both small holes and grooves.
  • the multiple openings are uniformly distributed on the flange part 210 .
  • overmolding enables the formation of a one-piece member for touch/sensing, thus eliminating a mounting structure and mounting step of mounting the antenna part to the lens part, while also avoiding an air gap between the antenna part and the lens part, thereby increasing the touch sensitivity and reliability.
  • the sensing part 300 may be any elastic structure capable of transmitting current signals, for example but not limited to an elastic reed, a coil spring, etc.
  • the vehicle lamp further comprises a PCBA (printed circuit board assembly) 500 , with the control part and light source 510 both being arranged on the PCBA 500 .
  • PCBA printed circuit board assembly
  • control part may control the on/off switching of the light source 510 according to predetermined control logic, for example but not limited to the following: when the user touches the touch region 110 a first time, the control part perceives a change in the capacitance value of the capacitor formed by the antenna part 200 , and thereby switches on the light source 510 , and when the user touches the touch region 110 a second time, the control part switches off the light source 510 ; or for example, the control part switches on a first setting of the light source 510 when the user touches the touch region 110 a first time, the control part switches on a second setting of the light source 510 when the user touches the touch region 110 a second time, the control part switches on a third setting of the light source 510 when the user touches the touch region 110 a third time, and the control part 510 switches off the light source 510 when the user touches the touch region 110 a fourth time.
  • predetermined control logic for example but not limited to the following: when the user touches the touch region 110 a first time, the control part perceives
  • the vehicle lamp may further comprise a light-blocking plate 800 , a chrome-plated member 700 and a housing 600 .
  • the vehicle lamp may also comprise an inner lens 400 , and the sensing part 300 may pass through the inner lens 400 and be connected to the PCB 500 .
  • the lens P 1 is not limited to application to the vehicle lamp described above, and may also be applied to any other suitable illuminating or signal-indicating device.
  • the present application has the following advantages: it provides a lens having an antenna part, wherein the capacitance value of the capacitor formed by the antenna part will change when the touch region is touched; and it also provides a touch-controlled vehicle lamp realized using the lens, which is more compact structurally and adaptable to a greater variety of design demands, with more consistent touch sensitivity in the touch region.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Details Of Aerials (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
US17/639,516 2019-09-03 2020-09-01 Lens, vehicle lamp and corresponding vehicle Abandoned US20230175676A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201910826734.8A CN112443816A (zh) 2019-09-03 2019-09-03 透镜、车灯、相应的车辆和控制方法
CN201910826734.8 2019-09-03
PCT/CN2020/112768 WO2021043119A1 (zh) 2019-09-03 2020-09-01 透镜、车灯以及相应的车辆

Publications (1)

Publication Number Publication Date
US20230175676A1 true US20230175676A1 (en) 2023-06-08

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ID=74734598

Family Applications (1)

Application Number Title Priority Date Filing Date
US17/639,516 Abandoned US20230175676A1 (en) 2019-09-03 2020-09-01 Lens, vehicle lamp and corresponding vehicle

Country Status (5)

Country Link
US (1) US20230175676A1 (ja)
EP (1) EP4052965A4 (ja)
JP (1) JP7402318B2 (ja)
CN (2) CN112443816A (ja)
WO (1) WO2021043119A1 (ja)

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CN114361763B (zh) * 2022-01-19 2023-07-25 四川大学 一种集成多天线的大灯和车辆

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Also Published As

Publication number Publication date
JP2022546835A (ja) 2022-11-09
JP7402318B2 (ja) 2023-12-20
EP4052965A4 (en) 2023-11-22
CN112443816A (zh) 2021-03-05
EP4052965A1 (en) 2022-09-07
WO2021043119A1 (zh) 2021-03-11
CN115066353A (zh) 2022-09-16

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