CN212319485U - LED lighting lamp and backlight base with same - Google Patents

Abstract

The utility model belongs to the technical field of lighting apparatus, especially, relate to a LED illumination lamps and lanterns and base in a poor light that has thereof. The backlight base comprises a back plate and at least one LED lamp strip, the back plate is provided with two opposite sides, a first through bridge is arranged at the edge close to one side, a second through bridge is arranged at the edge close to the other side, the two ends of the LED lamp strip are respectively inserted into the first through bridge and the second through bridge, a fixing structure is arranged on the first through bridge or the second through bridge and extrudes the corresponding end of the LED lamp strip, and the LED lamp strip is prevented from moving along the direction formed by connecting lines of the first through bridge and the second through bridge. Use the utility model provides a technical scheme has solved the high and problem that is unfavorable for maintenance, change or recovery of assembly cost that exists when installing LED lamp strip of the LED panel light of the framework of being shaded among the prior art.

Description

LED lighting lamp and backlight base with same

Technical Field

The utility model belongs to the technical field of lighting apparatus, especially, relate to a LED illumination lamps and lanterns and base in a poor light that has thereof.

Background

The LED revolution has revolutionized lighting, and to date, most lighting sources have been replaced by more efficient, cost effective LEDs, with new buildings such as office spaces being increasingly illuminated with LED panel lights. In the prior art, LED panel lamps for illumination in the form of a side light or edge light structure are commonly used, and LED panel lamps of a backlight structure are gradually emerging, and the current LED panel lamps of the backlight structure are rapidly developed due to their respective rationality. The backlight-structured LED panel lamp needs to install a plurality of LED lamp strips on a back plate as a light-emitting source, and at present, the LED lamp strips are fixed on the back plate by using screws, or the LED lamp strips are fixed on the back plate by bonding by using a gluing process. The LED lamp strip is installed by adopting the screws, so that the assembly process is complicated, the workload is large, the maintenance, the replacement or the recovery are not facilitated, and the cost consumption of screw accessories is large; the gluing process for gluing and fixing the LED lamp strip is not beneficial to maintenance, replacement or recovery, and the gluing assembly production line has high investment cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED illumination lamps and lanterns and base in a poor light that has thereof, the assembly cost that the LED panel light that aims at solving the framework in a poor light among the prior art exists when installing LED lamp strip is high and be unfavorable for the maintenance, change or the problem of retrieving.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a backlight base, including backplate and at least one LED lamp strip, the backplate has relative both sides, wherein one side be close to the edge and be equipped with first logical bridge, the opposite side be close to the edge and be equipped with second logical bridge, the both ends of LED lamp strip alternate respectively in first logical bridge and second logical bridge, and be equipped with fixed knot on first logical bridge or the second logical bridge and construct, fixed knot constructs the corresponding tip of extrusion LED lamp strip, in order to prevent that LED lamp strip from removing along the direction that first logical bridge and second logical bridge line formed.

Optionally, the backboard is made of a metal material, the first through bridge and the second through bridge are integrally formed from the backboard, and the fixing structure is an extrusion deformation structure of the first through bridge or the second through bridge towards the direction of the backboard.

Optionally, each LED light bar comprises a PCB and at least one LED light bead, the LED light beads are disposed on the PCB, a positioning structure is disposed at a position of the PCB adjacent to one of the end portions, and the extrusion deformation structure corresponds to the positioning structure.

Optionally, the positioning structure is a through hole formed in the PCB, and the extrusion deformation structure extends towards the inside of the through hole.

Optionally, the backlight base includes at least two LED light bars, and all LED light bars are straight bars, and two adjacent LED light bars are arranged in parallel.

Optionally, the number of the LED light bars is multiple, and the spacing distance between two adjacent LED light bars is equal.

Optionally, the backlight base includes at least two LED light bars, all of which are straight bars, and the LED light bars are vertically and horizontally arranged.

Optionally, the number of the LED light bars in the longitudinal direction and the number of the LED light bars in the transverse direction are both multiple; in the longitudinal direction, two adjacent LED lamp strips are parallel and have equal spacing distance; in the transverse direction, two adjacent LED lamp strips are parallel and have equal spacing distance.

Optionally, the backlight base further comprises a driver, the driver is installed on one side of the back plate, which is opposite to the side where the LED light bars are installed, and when the number of the LED light bars is greater than or equal to 2, the LED light bars are electrically connected with the driver in parallel.

According to the utility model discloses an on the other hand provides a LED illumination lamps and lanterns. Specifically, the LED lighting fixture includes a backlight base, a diffusion plate and a frame, wherein the frame has a light outlet, the diffusion plate is mounted at the light outlet, the backlight base and the diffusion plate are stacked, the backlight base is the backlight base as described above, and the LED light bar is located between the back plate and the diffusion plate.

The utility model discloses following beneficial effect has at least:

use the utility model provides a base is shaded in the assembly process, at first insert the second through-bridge with the one end of LED lamp strip to make the other end of LED lamp strip first through-bridge that staggers, then aim at the through-hole of first through-bridge with the other end of LED lamp strip in the slip-in hole, set up fixed knot and construct at last, thereby restrict LED lamp strip on the backplate. Adopt the utility model discloses a framework form of base is shaded, for the assembly methods who adopts screw mode or the fixed LED lamp strip of rubber coating mode among the prior art, this base is shaded adopts pure mechanical structure form to restrict the installation to LED lamp strip to owing to distinctive structural design, therefore need not to install with the help of the production facility assistance-installation of complicacy accurate, this greatly reduced assemble required equipment cost. In addition, the structural form of the backlight base is adopted, so that the limitation of the fixing structure on the LED lamp strip can be simply removed when the LED lamp strip is maintained, replaced or recycled, and the maintenance, replacement or recycling work is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic view of an LED light bar in a backlight base according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a back plate in a backlight base according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic view of the first step of inserting the end of the LED light bar into the second through bridge during the assembly of the backlight base according to the embodiment of the present invention;

fig. 5 is a schematic view of the backlight base according to the embodiment of the present invention after the assembly;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;

FIG. 7 is an enlarged view at E in FIG. 6;

FIG. 8 is a cross-sectional view taken along line C-C of FIG. 5;

FIG. 9 is an enlarged view at F of FIG. 8;

FIG. 10 is a cross-sectional view taken in the direction D-D of FIG. 5;

fig. 11 is an enlarged view at G in fig. 10.

Wherein, in the figures, the respective reference numerals:

10. a back plate; 11. a first pass-through bridge; 12. a second bridge; 13. a fixed structure; 20. an LED light bar; 201. a PCB board; 202. LED lamp beads; 21. and a positioning structure.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 6, the utility model provides a backlight base, this backlight base assembly becomes the LED illumination lamps and lanterns of panel form to when fitment building interior space, this LED illumination lamps and lanterns are installed on indoor ceiling or indoor wall, for the indoor environment throws light on. Specifically, this backlight base includes backplate 10 and at least one LED lamp strip 20, and backplate 10 plays the supporting role to LED lamp strip 20, switches on the power and switches on that LED lamp strip 20 is luminous can throw light on the indoor environment. In designing the backlight chassis to be assembled, the back plate 10 has two opposite sides, and generally, the back plate 10 is in the form of a rectangular panel (or in the form of a panel of other shapes, for example, a regular polygon panel, a panel formed by cutting two opposite chord-cut edges on a full-circle panel, etc.), and the two opposite sides are two long sides or two wide sides of the rectangular panel, in this embodiment, two wide sides of the rectangular panel. Wherein the edge that is close to of one side is equipped with first logical bridge 11, the edge that is close to of opposite side is equipped with second logical bridge 12, the both ends of LED lamp strip 20 alternate respectively in first logical bridge 11 and second logical bridge 12, so first logical bridge 11 and second logical bridge 12 become the installation strong point for LED lamp strip 20 both ends respectively, and, be equipped with fixed knot structure 13 on first logical bridge 11 or second logical bridge 12, this embodiment sets up fixed knot structure 13 on first logical bridge 11, extrude the tip that LED lamp strip 20 inserted first logical bridge 11 through fixed knot structure 13 (when fixed knot structure 13 sets up at second logical bridge 12, then the tip that fixed knot structure 13 inserted second logical bridge 12 during the assembly), thereby prevented LED lamp strip 20 along the direction removal that first logical bridge 11 and second logical bridge 12 line formed. The LED lamp beads on the assembled LED lamp strip 20 emit light in a direction away from the back plate 10.

Use the utility model provides a base in a poor light, in the assembling process, at first insert LED lamp strip 20's one end in second through-bridge 12 to make LED lamp strip 20's the other end stagger first through-bridge 11, then with LED lamp strip 20's the other end aim at first through-bridge 11 behind the through-hole in the slip-in hole, set up fixed knot and construct 13 at last, thereby with LED lamp strip 20 restriction on backplate 10. Adopt the utility model discloses a framework form of base is shaded, for the assembly methods who adopts screw mode or the fixed LED lamp strip of rubber coating mode 20 among the prior art, this base is shaded adopts first logical bridge 11, second logical bridge 12 and fixed knot structure 13 to carry out the pure mechanical structure form of spacing installation to LED lamp strip 20, and because these peculiar structure cooperation designs, the assembly process to this base is shaded adopts simple machine can accomplish, need not to install with the help of complicated delicate production facility assistance-installation, this greatly reduced assemble required equipment cost. In addition, with the adoption of the structural form of the backlight base, when the backlight base is maintained, replaced or recycled, the designed fixing structure 13 is designed to be a structure capable of reversely deforming and recovering when relatively limited, the limitation of the fixing structure 13 on the LED lamp strip 20 can be easily removed even if a prying rod tool such as a screwdriver is used, and therefore the maintenance, replacement or recycling work is convenient.

As shown in fig. 5 and 8 to 11, the first through bridges 11 and the second through bridges 12 are integrally formed from the back plate 10, and in order to take into account the mechanical strength and the manufacturing cost of the back plate 10, the back plate 10 is made of a metal material, preferably an aluminum alloy thin plate or a thin steel plate, and has the advantages of high mechanical strength, light weight, reasonable purchase price, and the like. By manufacturing the back plate 10 with a metal material, the first through bridge 11 and the second through bridge 12 are stamped and formed from the back plate 10 by a stamping and forming method. Although the first via bridge 11 and the second via bridge 12 are shown in fig. 2, 5, 8, 9, 10 and 11 as having two sidewalls perpendicular to the back plate 10, other suitable draft angles are not excluded, such as: the first through bridge 11 may have a trapezoidal shape in a C-C section or the second through bridge 12 may have a trapezoidal shape in a D-D section. And, fixed knot constructs 13 for the extrusion deformation structure of first leading-in bridge 11 towards backplate 10 direction, in this embodiment, after extrusion deformation has moulded fixed knot structure 13 in order to restrict LED lamp strip 20 on the first leading-in bridge 11 of aluminium material, fixed knot constructs 13 this moment and produces deformation easily and recovers on first leading-in bridge 11 (promptly withdraw the restriction of fixed knot structure 13 to LED lamp strip 20), only need adopt screwdriver to sled and to make fixed knot construct 13 deform and recover and can realize, therefore can dismantle damaged LED lamp strip 20 when changing LED lamp strip 20 to the base of being shaded simply and swiftly, and install the both ends of new LED lamp strip 20 respectively to first leading-in bridge 11 and second leading-in bridge 12 after, again can extrude fixed knot structure 13 on first leading-in bridge 11 and form the restriction to LED lamp strip 20 through corresponding knocking.

As shown in fig. 1, the utility model discloses a backlight base's LED lamp strip 20 includes PCB board 201 and at least one LED lamp pearl 202, and LED lamp pearl 202 sets up on PCB board 201 (according to the in-service use needs, can set up a plurality of LED lamp pearls 202 on the PCB board 201 evenly at an interval to satisfy luminous lighting needs). In order to facilitate the assembly of the LED light bar 20 between the first through bridge 11 and the second through bridge 12, a positioning structure 21 is disposed at a position of the PCB 201 adjacent to one end portion, the end portion of the PCB 201 is assembled corresponding to the first through bridge 11, and the compression deformation structure corresponds to the positioning structure 21, that is, during the process of inserting the end portion of the PCB 201 into the first through bridge 11, the positioning structure 21 is inserted until the end portion is completely covered by the first through bridge 11. The locating structure 21 may be a simple marking (e.g., a printed pattern) to indicate the proper location of the PCB 201. Preferably, as shown in fig. 7, the positioning structure 21 may be a through hole opened on the PCB 201, and the compression structure extends into the through hole, and in order to improve the production efficiency when the backlight base is mass-produced, the fixing structure 13 of the compression structure may be formed by performing impact compression on the first through bridge 11 by a small-sized punch.

In the backlight base of the present embodiment, the backlight base further includes a driver (not shown), the driver is installed on a side of the back plate 10 opposite to the side where the LED light bars 20 are installed, the LED light bars 202 of the LED light bars 20 are powered by the driver to emit light, and when the number of the LED light bars 20 is greater than or equal to 2, the LED light bars 20 are electrically connected to the driver in parallel, so that, in the same backlight base, when there is a damage to the LED light bars 20, the damaged LED light bars 20 do not affect the conduction of other undamaged LED light bars 20 to continue to emit light.

As shown in fig. 1 and fig. 5, the backlight base of the present invention includes at least two LED light bars 20 (at this time, the number of the LED light bars 20 may be 2, or may be more than 2), all the LED light bars 20 are straight bars, and two adjacent LED light bars 20 are arranged in parallel, specifically, the number of the LED light bars 20 is multiple (in this embodiment, the number of the LED light bars 20 is more than 2, for example, 5 LED light bars 20), and the spacing distance between two adjacent LED light bars 20 is equal. Alternatively, in another possible embodiment, the backlight base includes at least two LED light bars 20, all the LED light bars 20 are straight bars, and the LED light bars 20 are vertically and horizontally arranged (in the present invention, the connection direction of the first through bridge 11 and the second through bridge 12 is a horizontal direction, and the vertical direction is perpendicular to the horizontal direction). Taking the example that the backlight base only comprises two LED light bars 20, the two LED light bars 20 are perpendicular to each other to form a cross arrangement; the backlight base may also include only three LED light bars 20, and at this time, two LED light bars 20 may be disposed in the transverse direction, and then the remaining one LED light bar 20 may be disposed in the longitudinal direction (or, two LED light bars 20 may be disposed in the longitudinal direction, and then the remaining one LED light bar 20 may be disposed in the transverse direction). Further, the number of the LED light bars 20 in the longitudinal direction and the number of the LED light bars 20 in the transverse direction are both multiple, in the longitudinal direction, two adjacent LED light bars 20 are parallel and have equal spacing distance, in the transverse direction, two adjacent LED light bars 20 are parallel and have equal spacing distance, and the LED light bars 20 formed in this way are arranged in a grid shape, so that the finally formed LED lighting lamp is brighter.

According to another aspect of the present invention, an LED lighting fixture (not shown) is provided. In the present invention, the LED lighting device includes a backlight base, a diffusion plate (not shown), and a frame (not shown). The frame is used as an installation supporting function in the LED lighting lamp, when the LED lighting lamp is installed on an indoor ceiling or a wall, the whole LED lighting lamp is also fixed by the fixed frame, the frame is provided with a light outlet, the diffusion plate is installed at the light outlet, the diffusion plate is a transparent panel, for example, a glass panel or a light guide panel made of an acrylic material, and the like, the backlight base and the diffusion plate are arranged in a stacked mode, when the LED lamp beads 202 of the LED lamp strip 20 emit light, light is directly irradiated through the diffusion plate to illuminate, the backlight base is the backlight base as described above, and the LED lamp strip 20 is located between the back plate 10 and the diffusion plate.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A backlight base comprising a back plate (10) and at least one LED light bar (20), characterized in that:

the LED lamp strip is characterized in that the back plate (10) is provided with two opposite sides, a first through bridge (11) is arranged at the edge close to one side of the back plate, a second through bridge (12) is arranged at the edge close to the other side of the back plate, two ends of the LED lamp strip (20) are respectively inserted into the first through bridge (11) and the second through bridge (12), a fixing structure (13) is arranged on the first through bridge (11) or the second through bridge (12), and the fixing structure (13) extrudes the corresponding end part of the LED lamp strip (20) to prevent the LED lamp strip (20) from moving along the direction formed by connecting lines of the first through bridge (11) and the second through bridge (12).

2. The backlight chassis of claim 1, wherein:

the backboard (10) is made of metal materials, the first through bridge (11) and the second through bridge (12) are formed by integrally forming the backboard (10), and the fixing structure (13) is an extrusion deformation structure of the first through bridge (11) or the second through bridge (12) towards the direction of the backboard (10).

3. The backlight chassis of claim 2, wherein:

each LED lamp strip (20) comprises a PCB (201) and at least one LED lamp bead (202), the LED lamp beads (202) are arranged on the PCB (201), a positioning structure (21) is arranged at a position, adjacent to one end, of the PCB (201), and the extrusion deformation structure corresponds to the positioning structure (21).

4. The backlight chassis of claim 3, wherein:

the positioning structure (21) is arranged in a through hole in the PCB (201), and the extrusion deformation structure extends towards the inside of the through hole.

5. The backlight base according to any of claims 1 to 4, wherein:

the backlight base comprises at least two LED lamp strips (20), all the LED lamp strips (20) are straight strips, and every two adjacent LED lamp strips (20) are arranged in parallel.

6. The backlight chassis of claim 5, wherein:

the LED lamp strips (20) are multiple in number, and the spacing distance between every two adjacent LED lamp strips (20) is equal.

7. The backlight base according to any of claims 1 to 4, wherein:

the backlight base comprises at least two LED lamp strips (20), all the LED lamp strips (20) are straight strips, and the LED lamp strips (20) are vertically arranged in a longitudinal and transverse mode.

8. The backlight chassis of claim 7, wherein:

the number of the LED lamp bars (20) in the longitudinal direction and the transverse direction is multiple;

in the longitudinal direction, two adjacent LED lamp bars (20) are parallel and have equal spacing distance;

in the transverse direction, two adjacent LED lamp bars (20) are parallel and have equal spacing distance.

9. The backlight chassis of claim 1, wherein:

the backlight base further comprises a driver, the driver is installed on one side, opposite to the side where the LED light bars (20) are installed, of the back plate (10), and when the number of the LED light bars (20) is larger than or equal to 2, the LED light bars (20) are electrically connected with the driver in parallel.

10. An LED lighting fixture, comprising a backlight base, a diffusion plate and a frame, wherein the frame is provided with a light outlet, the diffusion plate is arranged at the light outlet, the backlight base and the diffusion plate are arranged in a stacking manner, and the LED lighting fixture is characterized in that:

the backlight base according to any one of claims 1 to 9, wherein the LED light bar (20) is located between the back plate (10) and the diffusion plate.

Images