CN218781189U

CN218781189U - Lamp set

Info

Publication number: CN218781189U
Application number: CN202223407552.3U
Authority: CN
Inventors: 黄杰锋; 王国军; 邵科达
Original assignee: Ningbo Technic Lighting Co ltd
Current assignee: Ningbo Technic Lighting Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-03-31
Anticipated expiration: 2032-12-19

Abstract

A light fixture, comprising: a strip-shaped lamp holder; the light-emitting lamp sources are arranged on the lamp holder and extend or are arranged at intervals along the length direction of the lamp holder; the strip-shaped lens is arranged on the lamp holder, is positioned above the light-emitting lamp source and extends along the length direction of the lamp holder; the cross section of lens has upper edge, lower limb, the lower limb has the arc limit that the lower convex is relative with the luminescent light source, from the first perpendicular limit of the both ends downwardly extending of arc limit, second perpendicular limit, from the first hypotenuse of the lower extreme slope upwards extension of arc limit towards the direction of keeping away from the arc limit of first perpendicular limit, from the second hypotenuse of the lower extreme slope upwards extension towards the direction of keeping away from the arc limit of second perpendicular limit, the surface of the lens that arc limit and first perpendicular limit, second perpendicular limit correspond is the printing opacity face, the surface of the lens that first hypotenuse, second hypotenuse correspond is the reflection of light face. Compared with the prior art, the utility model discloses when can improve irradiation range, can also improve illumination homogeneity.

Description

Lamp set

Technical Field

The utility model belongs to the technical field of the illumination, concretely relates to lamp.

Background

In the existing linear light fixture with a long strip shape, in order to avoid light loss and realize light source distribution, a lens is mostly arranged in the light fixture, for example, the invention patent application with the application number of CN201010565032.8 discloses an optical lens and a light emitting assembly comprising the optical lens (with the application publication number of CN 102478207A), the light emitting assembly comprises an optical lens, a plurality of light sources, a circuit board and a frame, the optical lens comprises two side wall parts which are opposite to each other and a central part which is connected with the two side wall parts, the two side wall parts and the central part define a linear concave space, the central part comprises a light input surface facing the light sources and a light output surface departing from the light sources, and the side wall parts comprise reflecting surfaces which can carry out total reflection on at least part of light. A plurality of light sources are accommodated in the linear depression space of the optical lens; the circuit board is used for bearing a plurality of light sources; the frame supports the circuit board and extends outward from both sides of the circuit board.

The technical scheme can effectively reduce light loss and improve the irradiation range, but the brightness of illumination on the irradiation surface of the lamp is to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a lamps and lanterns to when can improving irradiation range, can also improve illumination intensity.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a light fixture, comprising:

a strip-shaped lamp holder;

the light-emitting lamp sources are arranged on the lamp holder and extend or are arranged at intervals along the length direction of the lamp holder;

the strip-shaped lens is arranged on the lamp holder, is positioned above the light-emitting lamp source and extends along the length direction of the lamp holder;

the method is characterized in that:

the cross section of lens has upper edge, lower limb, the lower limb has the arc limit that the lower convex is relative with the luminescent light source, from the first perpendicular limit of the both ends downwardly extending of arc limit, second perpendicular limit, from the first hypotenuse of the lower extreme slope upwards extension of arc limit towards the direction of keeping away from the arc limit of first perpendicular limit, from the second hypotenuse of the lower extreme slope upwards extension towards the direction of keeping away from the arc limit of second perpendicular limit, the surface of the lens that arc limit and first perpendicular limit, second perpendicular limit correspond is the printing opacity face, the surface of the lens that first hypotenuse, second hypotenuse correspond is the reflection of light face.

So, the light source divide into the triplex, penetrate into the light-transmitting surface of the lens that the arc limit, first perpendicular limit, second perpendicular limit correspond respectively, and penetrate into behind the light-transmitting surface's that the arc limit corresponds light source passing lens, can realize spotlight and with nearly department and middle zone evenly lighting up, penetrate into first perpendicular limit, the light source of the light-transmitting surface that the second perpendicular limit corresponds respectively through respective reflection of light face reflection back, can shine the distant place to the light better, compensate the homogeneity of illuminance far away, so the utility model discloses when can enlarge irradiation range, improve illumination brightness, realize evenly shining the irradiation to the irradiation surface.

In order to further realize uniform irradiation, preferably, the cross section of the light-emitting lamp source has an edge located at the top, the center of the edge is taken as a central point, a connecting line between the central point and the upper end of the first vertical edge is a first connecting line, a connecting line between the central point and the upper end of the second vertical edge is a second connecting line, a connecting line between the central point and the lower end of the first vertical edge is a third connecting line, a connecting line between the central point and the lower end of the second vertical edge is a fourth connecting line, an included angle between the first connecting line and the second connecting line is 72 to 73 degrees, an included angle between the first connecting line and the third connecting line is 51 to 52 degrees, and an included angle between the second connecting line and the fourth connecting line is 33 to 34 degrees.

Preferably, the upper edge of the cross section of the lens has a first horizontal edge, a first end of the first horizontal edge is located on the extension line of the first vertical edge, a second end of the first horizontal edge is located above the upper end of the second inclined edge, the upper edge of the cross section of the lens further has a third vertical edge extending upward from the first end of the first horizontal edge, a second horizontal edge extending from the upper end of the third vertical edge in the direction away from the first horizontal edge, and an end of the second horizontal edge away from the first horizontal edge is located above the upper end of the first inclined edge.

Preferably, the height of the upper end of the first inclined edge is greater than the height of the upper end of the second inclined edge.

Preferably, the lower end of the first vertical side and the lower end of the second vertical side are substantially located on the same horizontal plane; the height of the upper end of the first vertical edge is greater than the height of the upper end of the second vertical edge.

In each of the above solutions, preferably, the lens is supported on the lamp holder by two legs, and the first leg extends substantially horizontally, and one end of the first leg is constrained to the lamp holder, and the other end of the first leg is constrained to a portion corresponding to the upper end of the first oblique side of the lens; the second leg extends up and down, and its upper end is constrained with the portion corresponding to the upper end of the second bevel edge of the lens, and its lower end is supported on the lamp holder. Therefore, the support legs can support the lens and can not block light.

Preferably, one end of the first support leg is inserted into the first slot of the lamp holder, and the lower end of the second support leg is inserted into the second slot of the lamp holder.

In each of the above solutions, in order to improve the irradiation range, preferably, the lamp holder is hollow to form a chamber with an opening at the top, the opening extends along the length direction of the lamp holder and has two long sides extending along the length direction of the lamp holder;

the lens and the light-emitting lamp source are constrained in the lamp holder from top to bottom, and the parts corresponding to the upper ends of the first bevel edge and the second bevel edge of the lens are respectively positioned at the inner sides of the two long edges of the corresponding opening.

Therefore, the light blocking of the lamp holder can be avoided.

Preferably, the lamp further comprises a light-transmitting lamp cover which is arranged at the opening of the lamp holder to open and close the opening. Therefore, the arrangement of the lamp cover can improve the waterproofness of the lamp.

Compared with the prior art, the utility model has the advantages of: through the structure with lens design for having three printing opacity face and two reflection of light faces for the light source can divide into the triplex, inject into the arc limit respectively, first perpendicular limit, the second erects the printing opacity face that the limit corresponds, and after the light source of the printing opacity face that the arc limit corresponds penetrated the lens, can realize spotlight and will nearly department and middle zone evenly illuminate, inject first perpendicular limit, the light source of the printing opacity face that the second erected the limit and corresponds passes through respective reflection of light face reflection back respectively, can be better to the light irradiation to the distant place, compensate the homogeneity of illuminance far away, so the utility model discloses when can enlarge irradiation range, improve illumination brightness, realize the even irradiation to the printing opacity face.

The utility model discloses a lamps and lanterns can be used to illumination such as freezer, goods shelves, shop.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a transverse cross-sectional view of FIG. 1;

fig. 3 is an allocation diagram of the light source of fig. 2.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 3, a preferred embodiment of a lamp of the present invention includes a lamp holder 1, a light source 2, a lens 3 and a lamp cover 5.

Wherein, the lamp holder 1 is strip-shaped, and the interior is hollow to form a chamber with an opening 10 at the top. The opening 10 extends along the length direction of the lamp holder 1, and has two opposite long sides 1a extending along the length direction of the lamp holder 1. The lamp cover 5 is transparent and is disposed at the opening 10 of the lamp holder 1 to open and close the opening 10.

The light emitting lamp source 2 is disposed at the bottom of the chamber and extends along the length direction of the lamp holder 1.

The lens 3 is disposed in the lamp holder 1, is located above the light emitting source 2, and is in a strip shape extending along the length direction of the lamp holder 1.

The cross section of the lens 3 has an upper edge and a lower edge, wherein the lower edge has a downward convex arc-shaped edge 31 opposite to the light source 2, a first vertical edge 32 and a second vertical edge 33 extending downward from two ends of the arc-shaped edge 31, a first inclined edge 34 extending upward from the lower end of the first vertical edge 32 in an inclined manner towards the direction away from the arc-shaped edge 31, and a second inclined edge 35 extending upward from the lower end of the second vertical edge 33 in an inclined manner towards the direction away from the arc-shaped edge 31, the surfaces of the lens 3 corresponding to the arc-shaped edge 31, the first vertical edge 32 and the second vertical edge 33 are light-transmitting surfaces, and the surfaces of the lens 3 corresponding to the first inclined edge 34 and the second inclined edge 35 are light-reflecting surfaces. In this embodiment, the lower end of the first vertical edge 32 and the lower end of the second vertical edge 33 are substantially located on the same horizontal plane; the height of the upper end of the first vertical side 32 is greater than the height of the upper end of the second vertical side 33. And the height of the upper end of the first inclined edge 34 is greater than the height of the upper end of the second inclined edge 35.

The upper edge of the cross section of the lens 3 has a first horizontal edge 36, a first end of the first horizontal edge 36 is located on the extension line of the first vertical edge 32, a second end is located above the upper end of the second inclined edge 35, the upper edge of the cross section of the lens 3 further has a third vertical edge 37 extending upward from the first end of the first horizontal edge 36, a second horizontal edge 38 extending from the upper end of the third vertical edge 37 in the direction away from the first horizontal edge 36, and the end of the second horizontal edge 38 away from the first horizontal edge 36 is located above the upper end of the first inclined edge 34.

Meanwhile, the cross section of the light-emitting lamp source 2 has an edge positioned at the top, the center of the edge is taken as a central point, a connecting line between the central point and the upper end of the first vertical edge 32 is a first connecting line, a connecting line between the central point and the upper end of the second vertical edge 33 is a second connecting line, a connecting line between the central point and the lower end of the first vertical edge 32 is a third connecting line, a connecting line between the central point and the lower end of the second vertical edge 33 is a fourth connecting line, an included angle a1 between the first connecting line and the second connecting line is 72.82 degrees, an included angle a2 between the first connecting line and the third connecting line is 51.32 degrees, and an included angle a3 between the second connecting line and the fourth connecting line is 33.96 degrees. See in particular fig. 3.

Therefore, the light source can be divided into three parts, the light transmitting surfaces corresponding to the arc-shaped edge, the first vertical edge and the second vertical edge are respectively injected, after the light source of the light transmitting surface corresponding to the arc-shaped edge penetrates through the lens, the light condensation can be realized, the near part and the middle area can be uniformly illuminated, and after the light source of the light transmitting surface corresponding to the first vertical edge and the second vertical edge is respectively reflected by respective reflecting surfaces, the light can be better irradiated to a far place, so that the uniformity of far illumination is compensated. In this embodiment, the beam angle of the light source passing through the portion corresponding to the included angle a1 of the lens 3 is between 40 ° and 60 °, the beam angle of the light source passing through the portion corresponding to the included angle a2 of the lens 3 is less than 10 °, and the beam angle of the light source passing through the portion corresponding to the included angle a3 of the lens 3 is about 15 °.

The lens 3 of the present embodiment is supported in the lamp holder 1 by two legs, and the first leg 41 extends substantially horizontally, and has one end constrained to the lamp holder 1 and the other end constrained to a portion corresponding to the upper end of the first inclined edge 34 of the lens 3; the second leg 42 extends up and down and has an upper end constrained to a portion corresponding to the upper end of the second inclined edge 35 of the lens 3 and a lower end supported on the lamp holder 1. One end of the first supporting leg 41 is inserted into the first slot 11 of the lamp holder 1, and the lower end of the second supporting leg 42 is inserted into the second slot 12 of the lamp holder 1. And the upper ends of the first inclined edge 34 and the second inclined edge 35 of the lens 3 are respectively located inside the two long sides 1a of the corresponding opening 10.

Directional terms such as "upper", "lower", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. A light fixture, comprising:

a strip-shaped lamp holder (1);

the light-emitting lamp sources (2) are arranged on the lamp holder (1) and extend or are arranged at intervals along the length direction of the lamp holder (1);

the strip-shaped lens (3) is arranged on the lamp holder (1), is positioned above the light-emitting lamp source and extends along the length direction of the lamp holder (1);

the method is characterized in that:

the cross section of the lens (3) is provided with an upper edge and a lower edge, the lower edge is provided with a downward convex arc-shaped edge (31) opposite to the light-emitting lamp source (2), a first vertical edge (32) and a second vertical edge (33) which extend downwards from two ends of the arc-shaped edge (31), a first inclined edge (34) which extends upwards in an inclined mode from the lower end of the first vertical edge (32) to the direction far away from the arc-shaped edge (31), and a second inclined edge (35) which extends upwards in an inclined mode from the lower end of the second vertical edge (33) to the direction far away from the arc-shaped edge (31), the surfaces of the lens (3) corresponding to the arc-shaped edge (31), the first vertical edge (32) and the second vertical edge (33) are light-transmitting surfaces, and the surfaces of the lens (3) corresponding to the first inclined edge (34) and the second inclined edge (35) are light-reflecting surfaces.

2. The luminaire of claim 1, wherein: the cross section of the light-emitting lamp source (2) is provided with an edge positioned at the top, the center of the edge is taken as a central point, a connecting line between the central point and the upper end of a first vertical edge (32) is a first connecting line, a connecting line between the central point and the upper end of a second vertical edge (33) is a second connecting line, a connecting line between the central point and the lower end of the first vertical edge (32) is a third connecting line, a connecting line between the central point and the lower end of the second vertical edge (33) is a fourth connecting line, an included angle between the first connecting line and the second connecting line is 72-73 degrees, an included angle between the first connecting line and the third connecting line is 51-52 degrees, and an included angle between the second connecting line and the fourth connecting line is 33-34 degrees.

3. The luminaire of claim 2, wherein: the upper edge of the cross section of the lens (3) is provided with a first horizontal edge (36), the first end of the first horizontal edge (36) is positioned on the extension line of the first vertical edge (32), the second end of the first horizontal edge is positioned above the upper end of the second inclined edge (35), the upper edge of the cross section of the lens (3) is further provided with a third vertical edge (37) extending upwards from the first end of the first horizontal edge (36), and a second horizontal edge (38) extending from the upper end of the third vertical edge (37) towards the direction far away from the first horizontal edge (36), and the end part of the second horizontal edge (38) far away from the first horizontal edge (36) is positioned above the upper end of the first inclined edge (34).

4. The luminaire of claim 3, wherein: the height of the upper end of the first inclined edge (34) is greater than the height of the upper end of the second inclined edge (35).

5. The luminaire of claim 1, wherein: the lower end of the first vertical edge (32) and the lower end of the second vertical edge (33) are basically positioned on the same horizontal plane; the height of the upper end of the first vertical edge (32) is greater than the height of the upper end of the second vertical edge (33).

6. A luminaire as claimed in any one of claims 1 to 5, characterized in that: the lens (3) is supported on the lamp holder (1) through two support legs, the first support leg (41) extends basically horizontally, one end of the first support leg is constrained on the lamp holder (1), and the other end of the first support leg is constrained with a part corresponding to the upper end of the first bevel edge (34) of the lens (3); the second leg (42) extends up and down and has its upper end constrained with the portion corresponding to the upper end of the second bevel edge (35) of the lens (3) and its lower end supported on the lamp holder (1).

7. The luminaire of claim 6, wherein: one end of the first support leg (41) is inserted into the first slot (11) of the lamp holder (1), and the lower end of the second support leg (42) is inserted into the second slot (12) of the lamp holder (1).

8. A luminaire as claimed in any one of claims 1 to 5, characterized in that: the lamp holder (1) is hollow to form a cavity with an opening (10) at the top, the opening (10) extends along the length direction of the lamp holder (1) and is provided with two long sides (1 a) extending along the length direction of the lamp holder (1);

the lens (3) and the light-emitting lamp source (2) are bound in the lamp holder (1) one above the other, and parts corresponding to the upper ends of the first bevel edge (34) and the second bevel edge (35) of the lens (3) are respectively positioned on the inner sides of the two long edges (1 a) of the corresponding opening (10).

9. The luminaire of claim 8, wherein: the lamp holder is characterized by further comprising a light-transmitting lamp cover (5) which is arranged at the opening (10) of the lamp holder (1) to open and close the opening (10).