CN213656377U

CN213656377U - Grid plate and grid lamp

Info

Publication number: CN213656377U
Application number: CN202022047618.7U
Authority: CN
Inventors: 方翔; 林建鑫; 廖欣怡; 陈云伟
Original assignee: Xiamen Lidaxin Lighting Co ltd
Current assignee: Xiamen Lidaxin Lighting Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-07-09
Anticipated expiration: 2030-09-17

Abstract

The utility model provides a grid board and grid lamps and lanterns belongs to illumination lamps and lanterns technical field, and the grid board includes: each unit cell is provided with a grating hole formed by surrounding grating pieces, the cross section of each grating piece along the thickness direction of the grating plate is defined as a grating surface, the edge of the grating surface on the light incident surface is defined as a top edge, and the edge of the grating surface on the light emergent surface is defined as a bottom edge; the first side edge is in a concave curve shape from the top edge to the bottom edge, and the second side edge is in a concave curve shape from the top edge to the bottom edge. The technical effects are as follows: the first side and the second side of grid piece are sunken curved respectively from the topside to the base, promptly, the thickness of grid piece has the trend that reduces from going into plain noodles to going out the plain noodles for the grid hole is the trend that increases from going into plain noodles to going out the plain noodles, for the straight line slope form, can increase luminous flux, improves the light efficiency, and can improve the ability of restraining beam angle light more than 60, improve anti-dazzle effect, make the grid board can be applicable to the activity place of multiple demand.

Description

Grid plate and grid lamp

Technical Field

The utility model belongs to the technical field of the illumination lamps and lanterns, more specifically say, relate to a grid board and grid lamps and lanterns.

Background

In lighting scenes, such as office, teaching, home and other scenes, the requirement for glare is higher and higher, more glare can stimulate eyes, and the comfort is poorer. In order to meet the requirement of low glare, a layer of grating plate is usually disposed on the outermost layer of the light-emitting surface of the lamp to suppress the light with large angle. For example, in many kindergartens, a living place and a teaching place are shared, and the lighting requirement is high, so that the lighting requirement for multi-use of indoor places in the kindergartens is required, and the lighting requirement is also corresponding to scenes shared by other places. However, the lighting fixture described above is prone to have a problem that the illuminance is high but the glare is also high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grid board and grid lamps and lanterns aims at solving and appear the big technical problem that the glare is also big that the illuminance is big easily in the illumination lamps and lanterns.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a grid plate comprising: the grid plate comprises a plurality of unit cells, a plurality of light source units and a plurality of light guide plates, wherein each unit cell is provided with a grid hole formed by enclosing grid pieces, the cross section of each grid piece along the thickness direction of the grid plate is defined as a grid surface, the unit cells respectively form a light inlet surface and a light outlet surface which are opposite to each other along the thickness direction of the grid plate, and when the grid plate is installed in a lamp, the light outlet surfaces are arranged far away from the lamp source relative to the light inlet surfaces; defining the edge of the grating surface on the light incident surface as a top edge, the edge of the grating surface on the light emergent surface as a bottom edge, and the top edge and the bottom edge are connected through a first side edge and a second side edge; the first side edge is in a concave curve shape from the top edge to the bottom edge, and the second side edge is in a concave curve shape from the top edge to the bottom edge.

Further, the distance between the first side edge and the second side edge decreases from the top edge to the bottom edge.

Further, a direction of a central connecting line of the top edge and the bottom edge is defined as y, a direction of the bottom edge is defined as x, an intersection point of the central connecting line and the bottom edge is defined as an origin, and a formula of a variation curve of the first side edge in a coordinate system formed by the x and the y is as follows: y ═ a × exp (b × x) + c × exp (d × x);

wherein a is not less than 0.6579 but not more than 1.115, b is not less than 2.269 but not more than 2.886, c is not less than 2.109e +08 but not more than 1.177e +08, and d is not less than 32.94 but not more than-21.16.

Further, the value of a is 0.8866, the value of b is 2.577, the value of c is-4.659 e +07, and the value of d is-27.05.

Further, the first side edge and the second side edge are symmetrically disposed about a line connecting centers of the top edge and the bottom edge.

Further, the length of the bottom edge ranges from 0.8 mm to 1.3 mm.

Further, the length of the bottom edge is 1.2 millimeters.

Further, the plurality of cells include a plurality of main cells and a plurality of sub-cells disposed around an outermost layer of the plurality of main cells, and the shape of the sub-cells is a partial shape of the main cells; the grid plate further comprises a frame arranged around the plurality of sub-unit grids.

Furthermore, the frame is provided with an accommodating cavity and an assembling cavity which are formed by bending, the plurality of sub-unit grids are connected to the accommodating cavity, and the assembling cavity is used for being connected to a lamp.

The utility model provides a grid plate has following technological effect at least: compared with the prior art, the utility model provides an among the grid plate, the first side and the second side of grid piece are sunken curve form from topside to base respectively, promptly, the thickness of grid piece has the trend that reduces from going into plain noodles to play plain noodles, make the grid hole be the trend of increasing from going into plain noodles to play plain noodles, for the straight line slope form, can increase luminous flux, improve the light efficiency, and can improve the ability that restraines beam angle light more than 60, improve anti-dazzle light effect, make the grid plate can be applicable to the activity place of multiple demand.

The utility model also provides a grid lamps and lanterns, include as above arbitrary embodiment the grid plate.

The utility model provides a grid lamps and lanterns adopt as above embodiment the grid board, the two technological effect is the same, no longer gives unnecessary details here.

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 described 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 creative efforts.

Fig. 1 is a schematic structural view of a grid plate according to an embodiment of the present invention;

FIG. 2 is another angular configuration of the grid plate of FIG. 1;

fig. 3 is a schematic structural view of a grid plate according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a formula of a variation curve of a first side of an embodiment of the present invention;

FIG. 5 is a schematic view of a grating plate according to an embodiment of the present invention;

fig. 6 is an exploded schematic view of a grille lamp according to an embodiment of the present invention.

In the figure:

100. grid plate 110, cell 112, main cell

114. Sub-unit cell 116, grid hole 117 and light incident surface

118. Light-emitting surface 120, grating sheet 122 and grating surface

124. A top edge 125, a bottom edge 126, a first side edge

127. Second side 130, frame 132 and accommodating cavity

134. Assembly cavity 200, grille lamp 210 and fixing support

220. Gasket 230, base 240, power drive

250. Lampshade 260, light source plate 270 and diffusion plate

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Referring to fig. 1 to fig. 6, a grid plate 100 and a grid lamp 200 according to an embodiment of the present invention will be described.

Referring to fig. 1 to 5, an embodiment of the present invention provides a grid plate 100, including: a plurality of unit cells 110, each unit cell 110 having a grating hole 116 surrounded by grating pieces 120, a cross section of the grating pieces 120 along the thickness direction of the grating plate 100 being defined as a grating surface 122, the plurality of unit cells 110 respectively forming an incident surface 117 and an exit surface 118 opposite to each other along the thickness direction of the grating plate 100, the exit surface 118 being disposed away from the light source with respect to the incident surface 117 when the grating plate 100 is installed in the lamp; the edge of the grating surface 122 on the light incident surface 117 is defined as a top edge 124, the edge of the grating surface 122 on the light emitting surface 118 is defined as a bottom edge 125, and the top edge 124 and the bottom edge 125 are connected by a first side edge 126 and a second side edge 127; first side edge 126 is concavely curved from top edge 124 to bottom edge 125, and second side edge 127 is concavely curved from top edge 124 to bottom edge 125.

It should be noted that the grille plate 100 provided in the embodiment of the present invention can be applied to various types of lamps, and is described by taking a blackboard lamp applied to a kindergarten activity place as an example.

The shape of grid holes 116 is not limited, and may be regular or irregular shapes such as circles, squares, regular pentagons, and regular hexagons.

Referring to fig. 3 and 5, specifically, the grid plates 120 decrease from the light incident surface 117 to the light emitting surface 118, the grid holes 116 increase from the light incident surface 117 to the light emitting surface 118, and the decreasing trend of the grid plates 120 is concave curved, so that the light flux can be increased and the light efficiency can be improved, compared with a straight line, the light beam with a beam angle of more than 60 ° can be suppressed, the anti-glare effect can be improved, and various lighting requirements of the same place can be met.

For example, the grating plate 100 is a regular hexagonal hole, the length of the grating hole 116 on one side of the light incident surface 117 is 13.2 mm, the top edge 124 of the grating sheet 120 on the light incident surface 117 is 1.85 mm, and the bottom edge 125 of the grating sheet 120 on the light emitting surface 118 is 1.2 mm, so that in an actual illumination effect, the luminous flux of the whole lamp can reach 2100lm, the luminous efficiency can reach 85lm/w, the measurement in the kindergarten activity area is performed, the ground illuminance is 400lx, and the UGR is 17, which meets the design specification of the highest specification ground 300lx and the UGR is lower than 19 in many applications.

The embodiment of the utility model provides a grid plate 100 has following technological effect at least: compared with the prior art, the embodiment of the utility model provides an among the grid plate 100, grid plate 120's first side 126 and second side 127 are sunken curve form from topside 124 to base 125 respectively, namely, grid plate 120's thickness has the trend that reduces from income plain noodles 117 to play plain noodles 118, make grid hole 116 be the trend of increase from income plain noodles 117 to play plain noodles 118, for the sharp slope form, can increase luminous flux, improve the light efficiency, and can improve the ability that restraines 60 above beam angle light, improve anti-dazzle light effect, make grid plate 100 can be applicable to the place of action of multiple demand.

To facilitate demolding, the distance between first side edge 126 and second side edge 127 decreases from top edge 124 to bottom edge 125, as one embodiment. In this embodiment, the distance between the first side edge 126 and the second side edge 127 is decreased, that is, the distance between the first side edge 126 and the second side edge 127 does not decrease after decreasing, and the first side edge 126 and the second side edge 127 do not cross the central connecting line between the top edge 124 and the bottom edge 125.

To facilitate defining the concave curve, referring to fig. 4, as an embodiment, a direction of a central line connecting the top edge 124 and the bottom edge 125 is defined as y, a direction of the bottom edge 125 is defined as x, an intersection point of the central line and the bottom edge 125 is defined as an origin, and a formula of a variation curve of the first side edge 126 in a coordinate system formed by x and y is as follows: y ═ a × exp (b × x) + c × exp (d × x). As shown in fig. 4, in order to show the variation trend, the initial value of the bottom side 125 is shown, but the initial value is not limited, and is illustrated in the figure.

Wherein a is not less than 0.6579 but not more than 1.115, b is not less than 2.269 but not more than 2.886, c is not less than 2.109e +08 but not more than 1.177e +08, and d is not less than 32.94 but not more than-21.16. In this embodiment, the formula of the variation curve of the first side 126 can make the illuminance of light and the anti-glare effect reach a higher state, so as to satisfy various lighting requirements of activity places such as kindergartens.

Exp refers to an exponential function with a natural constant e as a base. The expression of the value c is scientific notation. In this embodiment, a may be specific numerical values such as 0.6579, 0.76, 0.86, 0.88645, 0.96, 1.06, 1.115, and the like. b may be 2.269, 2.35, 2.45, 2.5775, 2.65, 2.75, 2.886 and other specific values. c may be a specific numerical value such as-2.109 e +08, -4.659e +07, 1.177e +08, or the like. d may be specifically defined as-32.94, -31.5, -30.5, -29.5, -28.5, -27.1, -26.5, -25.5, -24.5, -23.5, -22.5, -21.16, etc.

Further, the value of a is 0.8866, the value of b is 2.577, the value of c is-4.659 e +07, and the value of d is-27.05. In this embodiment, the above values can make the grating plate 100 obtain higher luminous flux, and achieve higher anti-glare effect.

In order to ensure a uniform light extraction effect, the first side edge 126 and the second side edge 127 are symmetrically disposed about a central connecting line of the top edge 124 and the bottom edge 125. In this embodiment, the first side edge 126 and the second side edge 127 are symmetrically disposed, and the variation curves of the first side edge 126 and the second side edge 127 are also in a symmetrical relationship, so that the emergent light passing through the grating holes 116 is more uniform.

To enhance the anti-glare effect, the length of the bottom edge 125 ranges from 0.8 mm to 1.3 mm. In this embodiment, the smaller the length of the bottom edge 125 on the light emitting surface 118, the smaller the thickness of the grating sheet 120, so that the larger the curvature of the first side edge 126 and the second side edge 127 is, the better the anti-glare effect can be obtained on the basis of ensuring the light flux, and in the above variation curve, it can also be seen that the curvature is larger when the value is relatively lower. Meanwhile, grid pieces 120 are required to have a certain mechanical strength. Based on this, in the present embodiment, the length of the bottom edge 125 ranges from 0.8 mm to 1.3 mm, and specifically, the bottom edge 125 may be a specific value such as 0.8 mm, 0.9 mm, 1 mm, 1.05 mm, 1.1 mm, 1.2 mm, and 1.3 mm.

Further, the length of the bottom edge 125 is 1.2 millimeters. In this embodiment, the length of the bottom edge 125 is set to 1.2 mm, so that the grating plate 100 can obtain higher luminous flux, achieve higher anti-glare effect, and obtain better mechanical strength. As shown in FIG. 4, when the side length x of the bottom edge 125 is 0.6, the height y of the first side edge 126 is 0, which is an initial value, and when the side length x of the top edge 124 is 0.925, the height y of the first side edge 126 is 9.01, which is an end value.

Referring to fig. 1, as an embodiment, the plurality of cells 110 includes a plurality of main cells 112 and a plurality of sub-cells 114 disposed around the outermost layers of the plurality of main cells 112, and the shape of the sub-cells 114 is a partial shape of the main cells 112; grid plate 100 also includes a frame 130 disposed about the plurality of sub-cells 114. It will be appreciated that primary cells 112 correspond to fully formed grid apertures 116 throughout the contour of grid plate 100, and secondary cells 114 correspond to non-fully formed grid apertures 116 at the edges of the entire contour of grid plate 100. The frame 130 is disposed around the plurality of sub-cells 114, i.e. surrounds all the cells 110, so as to surround the plurality of cells 110 into a whole, and facilitate installation into a lamp.

Further, the frame 130 has a receiving cavity 132 and an assembling cavity 134 formed by bending, the plurality of sub-cells 114 are connected to the receiving cavity 132, and the assembling cavity 134 is used for connecting to a lamp. In this embodiment, the frame 130 is bent to form an accommodating cavity 132 and an assembling cavity 134, the plurality of sub-cells 114 are connected to the accommodating cavity 132, the shape of the accommodating cavity 132 can be determined according to the shape of the grid plate 100, the assembling cavity 134 is used for connecting the grid plate 100 to a lamp, and the assembling cavity 134 may specifically include a mounting hole, a mounting seat, and other structures.

In addition, the coverage width of the frame 130 may be selected according to actual conditions, and in one embodiment, the ratio of the outer diameter dimension to the inner diameter dimension of the frame 130 is 1.15: 1.

Referring to fig. 6, an embodiment of the present invention further provides a grille lamp 200 including the grille plate 100 according to any of the above embodiments. The grille lamp 200 may be mounted in a suspended type, ceiling type, wall-mounted type, or the like, and may be embodied in a panel lamp, blackboard lamp, or the like as a teaching aid, thereby effectively meeting the demand for multi-purpose lighting in indoor places such as a kindergarten.

Specifically, the grille lamp 200 further includes a fixing bracket 210 for fixing the entire lamp on a wall surface, a spacer 220 in contact with the fixing bracket 210, a base 230 in contact with the spacer 220, a power driver 240 disposed between the base 230 and the lamp housing 250, a light source plate 260 (including an aluminum substrate and a light source), a diffuser plate 270, and the grille plate 100, wherein the diffuser plate 270 is fixed in the assembly cavity 134 of the grille plate 100 by screws. In addition, the grille lamp 200 may further include optical elements such as a light guide plate, a reflective sheet, and a transparent plate.

The embodiment of the utility model provides a grid lamps and lanterns 200 has following technological effect at least: compared with the prior art, the embodiment of the utility model provides a grid lamps and lanterns 200 adopt embodiment as above grid plate 100, first side 126 and second side 127 of grid piece 120 are sunken curve form from topside 124 to base 125 respectively, namely, grid piece 120's thickness has the trend that reduces from income plain noodles 117 to play plain noodles 118, make grid hole 116 be the trend of increase from income plain noodles 117 to going out plain noodles 118, for the straight line slope form, can increase luminous flux, improve the light efficiency, and can improve the ability of restraining 60 above beam angle light, improve anti-dazzle light effect, make grid plate 100 can be applicable to the activity place of multiple demand.

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

1. A grid plate, comprising:

the grid plate comprises a plurality of unit cells, a plurality of light source units and a plurality of light guide plates, wherein each unit cell is provided with a grid hole formed by enclosing grid pieces, the cross section of each grid piece along the thickness direction of the grid plate is defined as a grid surface, the unit cells respectively form a light inlet surface and a light outlet surface which are opposite to each other along the thickness direction of the grid plate, and when the grid plate is installed in a lamp, the light outlet surfaces are arranged far away from the lamp source relative to the light inlet surfaces;

defining the edge of the grating surface on the light incident surface as a top edge, the edge of the grating surface on the light emergent surface as a bottom edge, and the top edge and the bottom edge are connected through a first side edge and a second side edge; the first side edge is in a concave curve shape from the top edge to the bottom edge, and the second side edge is in a concave curve shape from the top edge to the bottom edge;

the plurality of cells comprise a plurality of main cells and a plurality of secondary cells arranged around the outermost layers of the plurality of main cells, and the shape of each secondary cell is a partial shape of the main cell; the grid plate further comprises a frame arranged around the plurality of sub-unit grids.

2. A grid plate as recited in claim 1, wherein the distance between said first side edge and said second side edge decreases from said top edge to said bottom edge.

3. A grid plate as set forth in claim 1, wherein a direction of a line connecting centers of said top and bottom edges is defined as y, said bottom edge is defined as x, an intersection of said line and said bottom edge is defined as an origin, and a formula of a curve of said first side edge in a coordinate system formed by x and y is as follows:

y＝a*exp(b*x)+c*exp(d*x)；

wherein a is more than or equal to 0.6579 and less than or equal to 1.115, b is more than or equal to 2.269 and less than or equal to 2.886,

-2.109e+08≤c≤1.177e+08，-32.94≤d≤-21.16。

4. a grid plate as claimed in claim 3, wherein a has a value of 0.8866, b has a value of 2.577, c has a value of-4.659 e +07, and d has a value of-27.05.

5. A grid plate as claimed in any one of claims 1 to 4, wherein said first side edge and said second side edge are symmetrically disposed about a line joining the centres of said top edge and said bottom edge.

6. A grid plate as claimed in claim 1, wherein said base edge has a length in the range of 0.8 mm to 1.3 mm.

7. A grid plate as claimed in claim 6, wherein said base edge has a length of 1.2 mm.

8. The grid plate of claim 1, wherein the frame has a receiving cavity and an assembling cavity, the receiving cavity is formed by bending, a plurality of the sub-unit cells are connected to the receiving cavity, and the assembling cavity is used for being connected to a lamp.

9. Grille luminaire comprising a grille panel as claimed in any one of claims 1 to 8.