JP6200382B2 - LED lighting device - Google Patents

Description

  The present invention relates to an LED illuminating device using an LED element as a light source, and more particularly, to a point light reducing operation of a light source in a direct-attached LED illuminating device that is directly attached to a ceiling surface or a side wall.

  2. Description of the Related Art In recent years, due to an increase in environmental awareness, a self-powered light bulb type LED lamp using an LED element excellent in power saving as a light source has been widespread. More recently, lighting devices using LED elements have been developed and introduced into the market for ceiling-mounted downlights and ceiling-mounted ceiling lights.

  The lighting device attached directly to the ceiling or side wall is equipped with a projector that transmits an optical signal and a light receiver that receives a reflected signal from an object of the optical signal transmitted from the projector to receive the reflected signal. Correspondingly, a reflection type photoelectric sensor switch means for controlling the point reduction operation of the light source of the illumination device is provided. An illuminating device in which an optical signal projecting / receiving portion of a reflective photoelectric sensor and its sensor detection window are provided at the center of the front cover of the illuminating device regardless of changes in the length of the illuminating device has been studied. (For example, refer patent document 1 etc.).

  In the illumination device described in Patent Document 1, the light projecting / receiving unit of the reflection type photoelectric sensor is arranged in the center of the front cover of the illumination device body regardless of the change in the length of the illumination device body, An illuminating device that can be smoothly turned on and off, reduces the range of movement for a user's operation, improves the efficiency of cooking work, and provides ease of use.

  However, in the illuminating device described in Patent Document 1, since the light projecting / receiving unit is provided at the center of the front cover of the main body, not only the appearance is bad, but the cost of members and man-hours is increased. There has been a problem that the structure and wiring are complicated.

Japanese Patent No. 29969901

  The problem to be solved by the present invention has been proposed in view of the above-mentioned problems. With a simple configuration, it is possible to reduce man-hours and costs due to downsizing, and to prevent lighting malfunction of LED elements. An object of the present invention is to provide a thin LED lighting device that prevents the appearance and has a good appearance.

In order to solve the above-mentioned problem, in the invention according to claim 1, there are provided an LED board on which an LED element is mounted in a housing, and an electronic component constituting a lighting circuit for driving the LED element to be lit. A mounted lighting unit, and a sensor unit that controls a point reduction operation of the LED element, the LED irradiation direction of the LED substrate is covered with a translucent cover, and the storage unit of the lighting unit is the Covered with a lighting unit cover that is substantially flush with the translucent cover,
The sensor unit is covered with a sensor unit cover that is substantially flush with the translucent cover and the lighting unit cover,
The sensor unit includes a sensor substrate on which a light emitting element and a light receiving element are mounted, a sensor protective cover that covers the light emitting element and the light receiving element, and a sensor cover member that covers the entire sensor substrate including the sensor protective cover. And
The sensor unit cover is attached to the sensor cover member .

According to a second aspect of the present invention, in the sensor protective cover, the light emitting element housing part and the light receiving element housing part are partitioned by a partition surface, and the light emitting element housing part emits light. An opening exposing the top of the element is formed, and an opening exposing the top of the light receiving element is formed in the receiving part of the light receiving element.

In the invention according to claim 3 , the sensor cover member is provided with a sensor window through which light from the light emitting element and the light receiving element is transmitted, and the sensor window is fitted into the sensor unit cover. A portion is provided.

According to a fourth aspect of the present invention, an operation mode changeover switch is mounted on the sensor board, and an opening is formed at a position corresponding to the operation mode changeover switch of the sensor cover member and the sensor unit cover. It is provided.

According to the first to fourth aspects of the invention, with a simple configuration, it is possible to reduce man-hours and costs due to downsizing, and to prevent malfunction of lighting of the LED element, and to have a good appearance in appearance. An LED lighting device can be provided. Moreover, the specific effect demonstrated by embodiment of this invention described below is acquired.

External perspective view of LED lighting device according to the present embodiment The exploded perspective view of the LED lighting device concerning this embodiment Sectional drawing of the LED lighting apparatus concerning this embodiment External perspective view of the housing according to the present embodiment The exploded perspective view of the lighting unit concerning this embodiment External perspective view of sensor unit and sensor unit cover according to this embodiment The exploded perspective view of the sensor unit concerning this embodiment External perspective view of sensor unit cover according to this embodiment The perspective view inside the housing | casing edge part concerning this embodiment External perspective view of end cover according to this embodiment

  Preferred embodiments of the present invention will be described below in detail with reference to the drawings. This embodiment is an example, and the present invention is not limited to this.

  1 to 3 show one embodiment of the LED lighting device 100 of the present invention, and the LED lighting device 100 according to this embodiment includes a ceiling surface, a side wall and the like as shown in FIGS. The LED lamp main body 2 fixed to the to-be-attached part 5 is provided.

  As shown in FIGS. 1 and 2, the LED lighting device 100 includes an LED on a mounting portion 5 such as a ceiling surface or a side wall provided with a through hole 5 a having a diameter of 15 mm from which an external power line (F cable) 4 protrudes. The power supply hole 21b of the casing 21 of the lamp body 2 is aligned, and the direct attachment hole 21c of the casing 21 is fixed by a fixing means such as a screw. One of the direct attachment holes 21c is a dart hole, and has a structure that facilitates fixing work. When the LED lamp body 2 is fixed, the LED lamp body 2 and the external power supply line 4 are connected using the quick connection terminal 7, and the LED lighting device 100 can be used.

(1. LED lamp body)
As shown in FIGS. 1 to 3, the LED lamp main body 2 includes various types of lighting circuits that connect the casing 21 and the external power supply line 4 housed in the casing 21 to light the LED element 23. A lighting unit 27 comprising a lighting substrate 27e (FIG. 5) on which electronic components are mounted, a sensor unit 28 in which a switch and a sensor unit are installed, an LED substrate 22 on which a plurality of LED elements 23 are mounted, The lighting unit cover 25 that covers the lighting unit 27 and the translucent cover 24 that covers the opening of the housing 21 at the position where the LED substrate 22 is disposed are schematically configured.

(2. Housing)
As shown in FIGS. 2 to 4, the casing 21 has a substantially rectangular shape as a whole, and is formed by integral molding by aluminum extrusion. The casing 21 has a rectangular upper surface portion 21i, a rear surface portion 21h extending vertically from one side in the width direction of the upper surface portion 21i, and a vertical portion extending from the central portion of the upper surface portion 21i so as to face the rear surface portion 21h. The center portion 21f that protrudes and the front portion 21d that extends perpendicularly from the other side in the width direction of the upper surface portion 21i are roughly configured. The power supply hole 21b and the direct attachment hole 21c described above are opened in the upper surface portion 21i. The inside of the housing 21 is divided into an LED substrate storage portion and a lighting unit storage portion by the central surface portion 21f. The central surface portion 21f does not need to be disposed in the inner central portion of the housing 21, and the arrangement position can be changed according to the configuration ratio of the LED substrate or the lighting unit.

  The upper end portions of the front surface portion 21d and the back surface portion 21h protrude from the upper surface portion 21i, and a convex portion 21j protrudes from the upper surface portion 21i corresponding to the central surface portion 21f. Thereby, when fixing to the to-be-attached parts 5, such as a ceiling surface and a side wall, the uneven | corrugated | grooved part of the to-be-attached part 5 can be absorbed and fixed.

A concave substrate mounting portion 21e for mounting the LED substrate 22 is provided on the upper surface 21i side inside the housing of the central surface portion 21f and the front end portion 21d, and the LED substrate 22 is slid and mounted. . Similarly, a pair of concave light-transmitting cover mounting portions 21r for mounting the light-transmitting cover 24 is provided on the open end side of the central surface portion 21f and the front end portion 21d. It is inserted by sliding. Further, a pair of concave and convex mounting portions 21s for mounting the lighting unit cover 25 and the sensor unit cover 29 is provided on the open end side of the central surface portion 21f and the back surface portion 21h. The unit cover 29 is inserted by sliding. The lighting unit cover 25 can also be fixed by bending it.
Further, the inner surface side of the central surface portion 21f and the front surface portion 21d of the housing 21 on the mounting surface side of the LED element 23 is made a glossy surface, a high reflection sheet is bonded, or a high reflection resin is applied. Thereby, the irradiation light of the LED element 23 is repeatedly reflected between the inner surface of the central surface portion 21f and the front surface portion 21d, the light reflection efficiency is increased, and the light extraction efficiency can be improved.

A convex positioning portion 21g is provided in parallel to the longitudinal direction of the casing 21 inside the upper surface portion 21i of the casing 21 that houses the lighting unit 27, and is fitted to the concave shape of the lighting unit 27. , Positioning can be performed. Since the convex shape of the positioning portion 21g increases the thickness of the aluminum of the portion, a screw groove is cut in the positioning portion 21g and a screw for fixing the lighting unit 27 is directly inserted into the positioning portion 21g. It can be fixed. Similarly, both end portions in the longitudinal direction of the housing 21 are formed with recesses made of aluminum so that screws can be inserted into a plurality of locations where the end covers 26a and 26b are fitted. It is possible to fix by directly inserting a screw for fixing. Thereby, it can fit easily, workability | operativity improves, and the cost which provides a man-hour and a screw insertion part can be reduced.
Moreover, the wiring fastener 8 for fixing wiring inside the housing | casing 21 is provided, and wiring arrangement | positioning of the housing | casing 21 can be performed.

(3. LED board)
As shown in FIGS. 2 to 3, the LED substrate 22 has a rectangular shape, and is mounted by mounting the LED element 23 and slidingly inserting it into the substrate mounting portion 21 e of the housing 21. Thereby, since the LED board 22 is contacting the housing | casing 21, it is possible to radiate the heat | fever of the LED element 23 and to suppress a temperature rise. On the lower surface of the LED substrate 22, LED elements 23 are arranged in a line in the center of the casing 21 in the longitudinal direction. A substrate connection terminal 22 a is provided at one end of the LED substrate 22 and is electrically connected to the lighting unit 27.

Moreover, light extraction efficiency can be improved by bonding a highly reflective sheet to the mounting surface side of the LED element 23 or applying a highly reflective resin.
In addition, as LED element 23 mounted in this LED board 22, well-known various LED elements, organic EL elements, etc. can be used. In the illustrated embodiment, a high-luminance LED element that emits white light for illumination is used.

(4. Translucent cover)
The translucent cover 24 is molded into a rectangular shape using polycarbonate. As shown in FIGS. 2 to 3, the translucent cover 24 is formed by sliding and inserting end portions in the longitudinal direction into the recessed portions provided at the end portions of the front portion 21 d and the central surface portion 21 f of the housing 21. The end portion is fitted and fixed by the end cover 26.

As shown in FIGS. 2 to 3, the translucent cover 24 is subjected to embossing to form a light diffusing surface having a high density on the translucent cover 24, or the material is made to contain a diffusing agent. , The light can be irradiated uniformly. Further, the light reflected by the translucent cover 24 is diffusely reflected and further reflected by the front part 21d and the central surface part 21f of the housing 21, and this can be repeated to make the entire surface of the translucent cover 24 shine. The light source is uniformly irradiated with light.
This makes it possible to uniformly irradiate light from the LED elements 23 on the entire surface of the translucent cover 24.

(5. Lighting unit)
As shown in FIGS. 2 to 3 and 5, the lighting unit 27 is installed on the positioning portion 21 g inside the upper surface portion 21 i of the housing 21. The lighting unit 27 includes a lighting circuit 27d for lighting the LED element 23, an insulating cover 27c that protects the lighting circuit 27d, and a metal cover 27a. The lighting circuit 27d is composed of a lighting substrate 27e on which an electronic component 27f is mounted, and is connected to the external power line 4 at a power terminal block 27i. The lighting circuit 27d is covered with an insulating cover 27c made of polycarbonate in order to insulate it from the housing 21. The various electronic components 27f constituting the lighting circuit 27d are known electronic components such as various diodes, capacitors, ICs, resistors, and the like for performing overcurrent protection, noise cut, rectification, smoothing, dimming control, and the like. .

  Furthermore, the insulating cover 27c is covered with a metal cover 27a for blocking unnecessary noise outside. At the end of the metal cover 27a, the wiring connector from the lighting circuit 27d extends over the metal cover 27a and the metal extension 27b extending from both ends of the bottom of the metal cover 27a so that the connector can be taken out of the metal cover 27a. Thus, a substantially circular extraction hole 27g is formed. The concave portion 27h on the bottom surface of the metal extension portion 27b is fitted into the positioning portion 21g of the housing 21, and the metal extension portion 27b is fixed to the positioning portion 21g of the housing 21 with a screw. When the metal extension 27 b is fixed to the casing 21, the ground line from the lighting unit 27 is fixed to the casing 21 together. Thereby, it is possible to attenuate the noise generated from the lighting unit 27. An extraction hole 27g and an insertion hole 27j into which the external power supply line 4 is inserted are opened at one end surface portion in the length direction of the metal cover 27a and the insulating cover 27c.

  Further, as a method of fixing the lighting unit 27 to the casing 21, in addition to the above-described fixing method using screws, the lighting unit 27 is slid into the casing 21 and is connected to the rear portion 21h of the casing 21. It is also possible to arrange and fix a spring.

(6. Lighting unit cover)
The lighting unit cover 25 is molded into a rectangular shape using polycarbonate. As shown in FIGS. 2 to 3, the lighting unit cover 25 is bent and inserted between the back surface portion 21 h and the center surface portion 21 f of the housing 21 to be fitted. Thereby, it is possible to make the lighting unit 27 and its wiring invisible from the outside. As illustrated in FIGS. 1 and 3, the lighting unit cover 25 is disposed so as to be substantially flush with the translucent cover.

(7. Sensor unit)
As shown in FIG. 1, the sensor unit 28 is arranged so that a surface portion thereof (a surface portion of a sensor unit cover 29 described later) is substantially flush with the surface of the translucent cover 24, and an LED 28 d that transmits an optical signal. And a light receiving element 28e for receiving a reflection signal from the substance of the optical signal transmitted from the LED 28d. As shown in FIGS. 2 and 6 to 7, the sensor unit 28 has one end opened, and a claw having a sensor substrate 28 c sandwiched between a rectangular sensor cover member 28 a made of polycarbonate. It is sandwiched and fixed by 28m. Thereby, man-hours and costs can be reduced. The sensor cover member 28a has switch insulation for insulating the sensor window 28i that transmits light from the outside, the slide switch window 28j for bringing the operation part of the slide switch 28f to the outside, and the terminal of the switch 29a. A portion 28k is provided. An LED 28d, a light receiving element 28e, a slide switch 28f, and a sensor connection terminal 28g are mounted on the front surface of the sensor substrate 28c, and an electronic component 28h (FIG. 6) is mounted on the back surface of the sensor substrate 28c.

  Thereby, since LED and a light receiving element are mounted and integrated on one board | substrate, size reduction and thickness reduction can be achieved and a man-hour and cost can be reduced.

  Further, the LED 28d and the light receiving element 28e are covered with a sensor protective cover 28b made of black silicon so that the light of the LED 28d does not leak to the light receiving element 28e and malfunction. The sensor protection cover 28d includes a substantially cylindrical LED storage portion 28o and a light receiving element storage portion 28p having a substantially cubic shape, and the inside of the LED storage portion 28o and the light receiving element storage portion 28p is partitioned by a partition surface 28s. . In addition, openings 28q and 28r that expose the tops of the LEDs 28d and the light receiving elements 28e are opened on the upper surfaces of the storage portions 28o and 28p. A sensor connection terminal 28g is provided on the sensor board 28c and is electrically connected to the lighting unit 27. Thereby, since the LED 28d and the light receiving element 28e are partitioned by the partition surface 28s inside the sensor protective cover 28d, it is possible to reduce the mutual influence, prevent malfunction, and improve the operation accuracy.

  The light output from the LED 28d is output to the outside through the sensor window 28i, and the light reflected by the reflecting material such as the hand is input to the light receiving element 28e again through the sensor window 28i, Reflection is determined by the substrate 28c. Thereby, it has the structure which controls ON / OFF of the LED lamp main body 2. FIG. The slide switch 28f is a switch that can be set in three settings, and is used in three modes in the present embodiment. The first mode is OFF (no sensor control), the second mode is ON (sensor control is performed but the sensor detection distance is short), and the third mode is ON (sensor control). However, the sensor detection distance is long).

(8. Sensor unit cover)
As shown in FIGS. 2, 6, and 8, the sensor unit cover 29 is formed into a rectangular substantially flat plate shape. The sensor cover member 28a of the sensor unit 28 is fixed to the sensor unit cover 29, and the sensor unit cover 29 is inserted between the back surface portion 21h and the central surface portion 21f of the housing 21 by sliding. Thereby, it becomes possible to make the sensor unit 28 invisible from the outside. The sensor unit cover 29 serves as a surface cover of the sensor unit 28, and the flat portion thereof is disposed so as to be substantially flush with the translucent cover 24. Further, as shown in FIGS. 1 and 2, the sensor unit cover 29 is disposed so as to be substantially flush with the lighting unit cover 25.

  The sensor unit cover 29 has a switch 29a for turning on / off the LED lamp body 2, a sensor opening 29b for fitting with the sensor window 28i, and a slide switch opening 29c for allowing the slide switch 28f to be operated from the outside. , Provided.

(9. End cover)
As shown in FIGS. 2 and 9 to 10, the end covers 26 a and 26 b cover the both ends of the housing 21 and constitute the LED lamp body 2. The end covers 26 a and the end covers There are two types of end cover 26b provided with a cover extension 26c. The end cover 26b is provided with a cable opening 26d that can be opened by breaking the closing plate when pressed against the end cover extension 26c so that the external power line 4 can be supplied from the rear surface 21h. Yes. Thereby, a cable can be inserted into the LED lighting device 100 from other than the upper surface, and can be used for various purposes.

  The end cover 26a is fitted to each end face of the housing 21, the LED substrate 22, the translucent cover 24, and the sensor unit cover 29, and is fixed to the housing 21 with cover screws. At this time, in order to wire the wire connecting the board connection terminal 22a of the LED board 22 and the lighting unit 27, the wiring opening 21m provided at the end of the central surface part 21f of the housing 21 is made of silicon rubber. The sealing plug 21n is sealed.

  Further, the end cover 26b is fitted to each end face of the casing 21 or the end cover insertion opening 21p, the LED board 22, the translucent cover 24, and the lighting unit cover 25, and is attached to the casing 21 with a cover screw. It is fixed. Thereby, LED lamp main body 2 becomes a structure fixed except lighting unit cover 25 used at the time of attachment, and can also produce the effect which prevents that a dust, an insect, etc. penetrate | invade.

(10. Operation)
The attachment method and operation method of the LED lighting apparatus 100 of this invention are demonstrated. First, the lighting unit cover 25 of the LED lamp body 2 is removed, and the external power supply line 4 of the attached portion 5 is inserted into the power supply hole 21 b and connected to the quick connection terminal 7. Using the direct attachment hole 21c of the LED lamp main body 2, the LED lamp main body 2 is fixed to the attached portion 5 by fixing means such as screws. Thereafter, the lighting unit cover 25 is fitted into the housing 21, and the attachment of the LED lighting device 100 is completed.
The LED illumination device 100 is turned ON / OFF by the switch 29a of the sensor unit cover 29. The sensor detection mode can be switched by a slide switch 28f operated from the slide switch opening 29c of the sensor unit cover 29. By turning on the detection mode by the sensor, the light from the LED 28 d passes through the sensor cover member 28 a and is irradiated from the sensor opening 29 b of the sensor unit cover 29. The irradiated light is reflected by a hand or the like and is transmitted from the sensor opening 29b of the sensor unit cover 29 through the sensor cover member 28a and input to the light receiving element 28e. The ON / OFF operation of the LED lighting device 100 is performed according to the intensity of the input light.

(11. Other)
Although the LED lighting device 100 of the present invention has been described with respect to the form in which the upper surface portion 21i of the casing 21 is directly fixed to the mounted portion 5, it can be attached by providing a mounting plate separately. Thereby, it sets so that a user can select the attachment place of LED lighting apparatus 100 freely according to a use.

  As described above, according to the present embodiment, the sensor unit configuration provides a thin LED lighting device that can perform accurate operations and can reduce man-hours and costs by downsizing, and exhibits good design. ing.

  As mentioned above, although embodiment of this invention was described, this invention is not restricted to these embodiment, Even if there is a design change of the range which does not deviate from the summary of this invention, it is included in this invention. That is, various changes and modifications that can be made by those skilled in the art are also included in the present invention.

  INDUSTRIAL APPLICABILITY The present invention can be widely applied as an LED lighting device installed along a kitchen, a closet, a top plate such as a sink, a shelf bottom, a wall side surface, or the like.

2: LED lamp body 21: Housing 21b: Power supply hole 21c: Direct attachment hole 21d: Front part 21e: Substrate mounting part 21f: Central surface part 21g: Positioning part 21h: Rear part 21i: Upper surface part 21j: Convex part 21m: Wiring opening 21n: sealing plug 21p: end cover insertion opening 22: LED substrate
22a: Board connection terminal 23: LED element 24: Translucent cover 25: Lighting unit cover 26: End cover 26a: End cover A
26b: end cover B
26c: End cover extension 26d: Cable opening 27: Lighting unit 27a: Metal cover 27b: Metal extension 27c: Insulation cover 27d: Lighting circuit 27e: Lighting substrate 27f: Electronic component A
27 g: extraction hole 27 h: concave portion 27 i: power terminal block 27 j: insertion hole 28: sensor unit 28a: sensor cover member 28b: sensor protection cover 28c: sensor substrate 28d: LED
28e: light receiving element 28f: slide switch 28g: sensor connection terminal 28h: electronic component B
28i: Sensor window 28j: Slide switch window 28k: Switch insulating part 28m: Claw claw 28o: LED storage part 28p: Light receiving element storage part 28q: Opening part 28r: Opening part 28s: Partition surface 29: Sensor unit cover 29a: Switch 29b : Sensor opening 29c: Slide switch opening 4: External power supply line 5: Mounted part 5a: Through hole 7: Fast connection terminal 8: Wiring fastener 100: LED lighting device

Claims (4)

An LED board on which an LED element is mounted in a housing, a lighting unit in which an electronic component that constitutes a lighting circuit for driving the LED element is mounted, and a sensor unit that controls a point reduction operation of the LED element The LED irradiation direction of the LED substrate is covered with a translucent cover, and the storage unit of the lighting unit is covered with a lighting unit cover that is substantially flush with the translucent cover,
The sensor unit is covered with a sensor unit cover that is substantially flush with the translucent cover and the lighting unit cover,
The sensor unit includes a sensor substrate on which a light emitting element and a light receiving element are mounted, a sensor protective cover that covers the light emitting element and the light receiving element, and a sensor cover member that covers the entire sensor substrate including the sensor protective cover. And
The LED illumination device , wherein the sensor unit cover is attached to the sensor cover member . In the sensor protective cover, the light-emitting element storage part and the light-receiving element storage part are partitioned by a partition surface, and the light-emitting element storage part is formed with an opening that exposes the top of the light-emitting element, The LED illumination device according to claim 1 , wherein an opening that exposes a top portion of the light receiving element is formed in the housing portion of the light receiving element. Claims light of the light emitting element and the light receiving element in the sensor cover member sensor window for transmitting is provided, the sensor window to the sensor unit cover, characterized in that the sensor opening to be fitted is provided The LED lighting device according to claim 1 . The operation mode changeover switch is mounted on the sensor board, and an opening is provided at a position corresponding to the operation mode changeover switch of the sensor cover member and the sensor unit cover . The LED lighting device according to claim 3 .