CN210069589U

CN210069589U - Wall washer lamp with combination of high beam and low beam lenses

Info

Publication number: CN210069589U
Application number: CN201920877902.1U
Authority: CN
Inventors: 柳保林; 陈实
Original assignee: Huizhou Xiton Photoelectric Co Ltd
Current assignee: Huizhou Xiton Photoelectric Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-02-14
Anticipated expiration: 2029-06-12

Abstract

The application relates to a wall washing lamp with a combination of a far light lens and a near light lens, which comprises a lamp body, wherein an LED light source component, the far light lens, the near light lens and a light screen covering the surface of the lamp body are sequentially arranged in the lamp body; the shading plate is provided with at least one light hole in a dug mode, the low-beam lens penetrates through the light hole, and the high-beam lens abuts against the inner surface of the light hole; the LED light source assembly emits light rays, and the light rays are projected through the dipped beam lens and the high beam lens. The beneficial effects are that: the utility model provides a wash pinup adopts passing light and distance light combination mode, realizes that the light projector is even.

Description

Wall washer lamp with combination of high beam and low beam lenses

Technical Field

The application relates to the field of LED illumination, in particular to a wall washer lamp with a combination of a high beam lens and a low beam lens.

Background

The existing linear wall washing lamp is usually 0.8-1m away from the wall installation distance, the whole wall washing effect cannot be achieved, the lamp installation ceiling place is limited, and the requirement of partial illuminance cannot be met far away from the wall. In addition, most lamps on the market are horizontally adjusted in a way that a light emitting module consisting of a radiator, a light source and a lens integrally rotates, the lamp is complex in structure, and certain light loss is caused because the light source is in an oblique illumination state and is not aligned with the lens. And the joint of the wall surface and the ceiling is difficult to touch when the wall is washed.

In order to solve the problem of dark spaces at the upper part and the lower part of an irradiated wall surface, although a lamp body of an embedded wall washing lamp is embedded in a ceiling and is far away from a wall, most lamps cannot meet the effect of wall washing on the whole surface.

Disclosure of Invention

In order to solve the technical problems, the application provides a wall washing lamp with a combination of a far light lens and a near light lens, which comprises a lamp body, wherein an LED light source component, the far light lens, the near light lens and a light screen covering the surface of the lamp body are sequentially arranged in the lamp body; the shading plate is provided with at least one light hole in a dug mode, the low-beam lens penetrates through the light hole, and the high-beam lens abuts against the inner surface of the light hole; the LED light source assembly emits light rays, and the light rays are projected through the dipped beam lens and the high beam lens.

Optionally, the low beam lens comprises a total reflection structure and a total refraction structure;

the full-refraction structure is formed by a first incidence surface and a first diffusion surface in a surrounding mode, and light rays transmitted by the first incidence surface are refracted through the first diffusion surface;

the total reflection structure is enclosed by a second incidence surface, a first reflection surface and a second diffusion surface, and light rays transmitted by the second incidence surface are reflected by the first reflection surface and then projected by the second diffusion surface;

the first incident surface and the second incident surface are connected to form a first light groove for placing a light source, and the first diffusion surface is connected with the second diffusion surface.

Optionally, the second diffuser surface outer surface is provided with a cylindrical structure.

Optionally, a second optical groove for placing a light source is dug in the upper surface of the high beam lens, and a third diffusion surface arranged along the axial direction of the second optical groove is also dug in the lower surface of the high beam lens; a fourth diffusion surface is further connected to the periphery of the third diffusion surface and is connected with the third diffusion surface through an inclined surface; and the fourth diffusion surface and the upper surface of the high beam lens are also connected with a second reflecting surface.

Optionally, the second optical groove bottom surface and the third diffusion surface are free-form surfaces.

Optionally, the surfaces of the third diffusion surface and the fourth diffusion surface are bead surfaces or frosted structures, and the outer surfaces of the third diffusion surface and the fourth diffusion surface are further provided with a polishing sheet.

Alternatively, the number of the low beam lenses is 1, the number of the high beam lenses is 5, and a plurality of the high beam lenses are fixed by the lens pressing plate.

Optionally, the LED light source assembly includes a heat dissipation bracket, and a first light source plate and a second light source plate fixed to the heat dissipation bracket; first light source board with the passing light lens butt sets up, second light source board with distance light lens butt sets up, first light source board and the asymmetric setting of second light source board.

Optionally, a light guide groove is arranged outside the light hole of the light shielding plate.

Optionally, the lamp body is formed by sequentially combining a surface ring, a rotating ring, a heat sink and a rear cover.

Optionally, the LED light source assembly is fixed on one surface of the heat sink, and the other surface of the heat sink is provided with a plurality of heat dissipation strips.

Optionally, symmetrical buckles are arranged on two sides of the light screen, and the light screen is clamped into buckle holes in the radiator through the buckles and fixed with the radiator.

Optionally, the outer wall of the rotating ring is provided with a resilient rotating stop point, and the surface ring is provided with a movable groove matched with the rotating stop point; and three convex buckles are uniformly arranged on the outer surface of the rotating ring, and the rotating ring is clamped in the surface ring through the convex buckles.

Optionally, a clamping groove is further formed in the outer side of one end of the radiator, and a clamping protrusion matched with the clamping groove is arranged on the inner side of the rotating ring and is clamped into the clamping groove through the clamping protrusion to be fixedly connected with the radiator; the other end of the radiator is fixed with the rear cover through a bolt.

The application discloses optical lens of low glare and lamps and lanterns module thereof, its beneficial effect lies in:

1. the utility model provides a wash pinup adopts passing light and distance light combination mode, can let the light of downward transmission turn into the light to the side polarisation, simple structure, and is small and exquisite, outward appearance fashion for embedded washing pinup can accomplish that the trompil size is little, from advantages such as wall installation 0.3m distance, has solved embedded polarisation and has washed pinup and has kept away from the shortcoming of wall installation distance.

2. The utility model provides a passing light and distance light lens can arrange the LED light source in pairs, can accomplish cost reduction under the comparison, and optional colour temperature range is wide, solves the shortcoming such as conventional COB light source colour temperature is incomplete.

3. The utility model provides a wash pinup adopts light source, radiator and lens integral type, only needs to rotate the light screen and can reach the regulation purpose, and can 360 degrees level regulations, than the angle of washing pinup regulation on the market 15 degrees big.

4. The near-light and far-light lens combination can overcome the defects that the upper and lower light emitting of an optical lens on the market are uneven, the distance from the wall to be installed is far (0.8-1 m) and the like by combining two light emitting modes.

Drawings

FIG. 1 is an exploded view of a wall washer according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a low beam lens according to an embodiment of the present application;

FIG. 3 is a schematic view of a high beam lens according to an embodiment of the present application;

FIG. 4 is a schematic view of the projection light of the wall washer according to the embodiment of the present disclosure;

FIG. 5 is a cross-sectional view of a wall washer according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a lamp body according to an embodiment of the present application;

FIG. 7 is a schematic view of a light source module according to an embodiment of the present disclosure;

the LED light source comprises a light shading plate 1, a dipped beam lens 2, a high beam lens 3, an LED light source assembly 4, a face ring 5, a rotating ring 6, a radiator 7, a rear cover 8, a lens pressing plate 9, a light guide groove 11, a buckle 12, a total refraction structure 21, a total reflection structure 22, a first light groove 23, a second light groove 31, a third diffusion surface 32, a fourth diffusion surface 33, a reflection surface 34, a heat dissipation bracket 41, a first light source plate 42, a second light source plate 43, a movable groove 51, a rotation stop point 61, a convex buckle 62, a convex buckle 63, a clamping convex 71, a clamping hole 72 and a clamping groove 72; 211-first entrance face, 212-first diffusion face, 221-second entrance face, 222-first reflection face, 223-second diffusion face.

Detailed Description

The following detailed description of the preferred embodiments of the present application, taken in conjunction with the accompanying drawings, will make the advantages and features of the present application more readily appreciated by those skilled in the art, and thus will more clearly define the scope of the invention.

Example 1:

in the embodiment shown in the drawings, the application provides a wall washing lamp with a combination of a high beam and a low beam, which comprises a lamp body, wherein an LED light source assembly 4, a high beam lens 3, a low beam lens 2 and a light shading plate 1 covering the surface of the lamp body are sequentially arranged in the lamp body; the shading plate 1 is provided with at least one light hole in a dug mode, the dipped beam lens 2 penetrates through the light hole, and the high beam lens 3 abuts against the inner surface of the light hole; the LED light source component 4 emits light rays, and the light rays are projected through the low beam lens 2 and the high beam lens 3. In this embodiment, the lamp body can be by face ring 5, swivel ring 6, radiator 7 and back lid 8 combination shaping in proper order, also can be other structure combination shaping that are used for installing LED light source subassembly 4, distance light lens 3, passing light lens 2, light screen 1, plays the structure of installation LED light source subassembly 4, distance light lens 3, passing light lens 2, light screen 1, the effect of lens clamp plate 9 and all falls into the scope of protection of the wall washer of this application. The LED light source assembly 4 includes a heat dissipating bracket 41, a first light source plate 42 and a second light source plate 43 fixed to the heat dissipating bracket 41; the first light source plate 42 is disposed in contact with the low beam lens 2, the second light source plate 43 is disposed in contact with the high beam lens 3, the first light source plate 42 and the second light source plate 43 are disposed asymmetrically, and in this embodiment, the first light source plate 42 is disposed below the second light source plate 43; in the present embodiment, the top of the heat dissipation bracket 41 is locked into a surface of the heat sink 7 by bolts or welded to a surface of the heat sink 7 by welding; the heat dissipation bracket 41 is fixed on one surface of the heat sink 7, and a plurality of heat dissipation strips are arranged on the other surface of the heat sink 7 for dissipating heat of the LED light source assembly 4. Wherein, the bottom of the heat dissipation bracket 41 is provided with a protrusion, the first light source plate 42 is fixed on the protrusion, and the patch lamp arranged on the first light source plate 42 extends into the near-light lens 2, and the light source emitted from the patch lamp of the first light source plate 42 is projected outwards through the near-light lens 2; second light source board 43 sets up and does not have protruding one side and locate the paster lamp of second light source board 43 in high beam lens 3 in heat dissipation support 41 bottom, and the light source that sends from the paster lamp of second light source board 43 outwards throws through high beam lens 3, and wherein, one or more sets up the paster lamp and the 2 quantity positions one-to-one of low beam lens at first light source board 42, and one or more sets up the paster lamp and the 3 quantity positions one-to-one of high beam lens at second light source board 43. The light guide groove 11 is disposed outside the light hole of the light shielding plate 1, and the light projected by the low beam lens 2 or the high beam lens 3 is refracted by the light guide groove 11 into the projection area. In the present embodiment, the low beam lens 2 passes through the light hole of the light shielding plate, and the high beam lens 3 abuts against the light hole of the light shielding plate; the low beam lens 2 and the high beam lens 3 can be changed in position as required, so as to achieve the best light projection effect. Symmetrical buckles 12 are arranged on two sides of the light screen 1, and the light screen 1 is clamped into buckle holes 71 arranged on the radiator 7 through the buckles 12 and is fixed with the radiator 7; the outer wall of the rotating ring 6 is provided with a rebounding rotating stop point 61, and the surface ring 5 is provided with a movable groove 51 matched with the rotating stop point 61; three convex buckles 62 are uniformly arranged on the outer surface of the rotating ring 6, and the rotating ring 6 is clamped in the face ring 5 through the convex buckles 62; a clamping groove 72 is further formed in the outer side of the heat sink 7, a clamping protrusion 63 matched with the clamping groove 72 is arranged on the inner side of the rotating ring 6, and the rotating ring is clamped into the clamping groove 72 through the clamping protrusion 63 and is fixedly connected with the heat sink 7; the other end of the heat sink 7 is fixed to the rear cover 8 by a bolt. The low beam lens 2 and the high beam lens 3 are substantially media for changing the light direction; the total refraction structure and the total reflection structure can be made of one material of glass, PMMA, PC or transparent silica gel, so that the light guide structure has higher light guide performance.

When the wall washer lamp is installed, the LED light source assembly 4 is fixed on the radiator, that is, the radiating bracket is locked into one surface of the radiator 7 through the bolt, and the first light source plate and the second light source plate are fixed on the other surface of the radiating bracket through the bolt; after the near light lens 2 and the far light lens 3 are arranged along the light holes on the light screen, the light screen is covered on the LED light source component 4, and the near light lens 2 and the far light lens 3 are respectively aligned and abutted with the patch lamps of the first light source plate and the second light source plate; the shading plate 1 is clamped in a clamping hole 71 arranged on the radiator 7 through a clamp 12 and is fixed with the radiator 7; the turning ring 6 is clamped into the face ring 5 through the convex buckle 62; the rotating ring 6 can rotate relative to the face ring 5 through a rebounding rotating stop point 61; after the rotating ring 6 and the face ring 5 are installed, the radiator 7 and the light screen 1 stretch into the face ring 5, the clamping protrusion 63 on the inner side of the rotating ring 6 stretches into the clamping groove 72 of the radiator 7, the clamping protrusion 63 rotates along the clamping groove 72, the outer surface of the face ring 5 rotates to be parallel to the light screen 1, and the deepest part of the face ring is clamped and fixed by the second clamping groove in the deep part of the clamping groove 72. The installation of the wall washer lamp of the embodiment is completed.

In this embodiment, this wash pinup adopts passing light and distance light combination mode, can let the light of downward transmission turn into the light of the polarisation to the side, simple structure, small and exquisite, outward appearance fashion for embedded wash pinup can accomplish that the trompil size is little, from advantages such as wall installation 0.3m distance, solved embedded polarisation and washed pinup and from the shortcoming of wall installation distance far away. Its passing light and distance light optical module can arrange the LED light source that is popular on the market at present stage, can accomplish cost reduction in comparison, and optional colour temperature wide range solves the shortcoming such as conventional COB light source colour temperature is incomplete. And the wall washing lamp adopts the light source, the radiator and the lens integrated type, the adjustment purpose can be achieved only by rotating the light screen, and the wall washing lamp can be horizontally adjusted by 365 degrees, and the angle is 15 degrees larger than the angle adjusted by the wall washing lamp on the market. Meanwhile, the near light and the high beam lens are combined, and the defects that the upper light and the lower light of the optical lens on the market are uneven, the installation distance from a wall is long, namely 0.8-1m and the like can be overcome by combining the two light emitting modes.

Example 2:

in the illustrated embodiment, the low beam lens 2 in the above embodiment 1 includes a total reflection structure 22 and a total refraction structure 21;

the total refraction structure 21 is formed by a first incident surface 211 and a first diffusion surface 212 in a surrounding manner, and light rays transmitted by the first incident surface 211 are refracted through the first diffusion surface 212;

a total reflection structure 22 surrounded by the second incident surface 221, the first reflection surface 222, and the second diffusion surface 223, wherein the light entering from the second incident surface 221 is reflected by the first reflection surface 222 and then projected by the second diffusion surface 223;

the first incident surface 211 and the second incident surface 221 are connected to form a first light groove 23 for accommodating the light source, and the first diffusion surface 212 and the second diffusion surface 223 are connected.

In the present embodiment, the first incident surface 211, the first diffusion surface 212, the second incident surface 221, the first reflection surface 222, and the second diffusion surface 223 together enclose the low beam lens 2, the first incident surface 211 and the second incident surface 221 are connected to form a first intersection, the first diffusion surface 212 and the second diffusion surface 223 are connected to form a second intersection, and a connection line between the first intersection and the second intersection divides the low beam lens 2 into the total-refraction structure 21 and the total-reflection structure 22, in the present embodiment, the total-refraction structure 21 and the total-reflection structure 22 are substantially media that change the direction of the light; the total refraction structure 21 and the total reflection structure 22 can be made of one material of glass, PMMA, PC or transparent silica gel, so that they have high light guiding performance. The first incident surface 211 and the second incident surface 221 are connected to form a first light groove 23 for placing a light source, the light source extends into the first light groove 23, and the light input through the first incident surface 211 is refracted and output by a first diffusion surface 212; the light source is projected through the second incident surface 221, reflected by the first reflecting surface 222, and projected through the second diffusing surface 223; the outer surface of the second diffusion surface 223 is provided with a cylindrical surface structure 224 for homogenizing and smoothing light.

Example 3:

in the embodiment shown in the figure, the second optical groove 31 for placing the light source is dug on the upper surface of the high beam lens 3 in the above embodiment 1, and the third diffusion surface 32 axially arranged along the second optical groove 31 is dug on the lower surface of the high beam lens 3; a fourth diffusion surface 33 is connected to the periphery of the third diffusion surface 32, and the fourth diffusion surface 33 is connected with the third diffusion surface 32 through an inclined surface; the fourth diffusing surface 33 and the upper surface of the high beam lens 3 are connected to a second reflecting surface 34. When the light source arranged in the second light groove 31 projects the light source outwards, a part of light passes through the bottom surface of the second light groove 31, is refracted to the third diffusion surface 32, and is projected outwards by the third diffusion surface 32; another part of the light also passes through the side wall of the second optical groove 31, is refracted to the second reflecting surface 34, and is reflected by the second reflecting surface 34 to the fourth diffusing surface 33 to be projected outwards. The bottom surface of the second optical groove 31 and the third diffusion surface 32 are free curved surfaces; the bottom of the second light groove 31 is a convex curved surface for converging light, and the third diffusion surface 32 is a convex arc-shaped surface for projecting light in one direction. The surfaces of the third diffusion surface 32 and the fourth diffusion surface 33 are bead surfaces or frosted structures, in this embodiment, the surfaces of the third diffusion surface 32 and the fourth diffusion surface 33 are bead surfaces for softening light; the outer surfaces of the third diffusion surface 32 and the fourth diffusion surface 33 are also provided with a light-drawing sheet; the light-drawing sheet is arranged on the lower surface of the high beam lens 3 and is coaxial with the axle center. The light incident surface of the light pulling sheet is a smooth surface, and the surface of the light emergent surface is of a pull-up structure. The light-drawing piece is used for widening the light rays emitted by the high beam lens, so that the distance between the lamp and the lamp is widened, and the using amount of the lamp is reduced.

Example 4:

with the combination of the embodiments 2 and 3, the wall washer lamp of the present embodiment has the advantages that the combination of the low beam lens 2 and the high beam lens 3 is adopted, in order to ensure the uniformity of the whole wall surface, the far region has a large area relative to the near region, and the light utilization rate perpendicular to the wall surface is reduced. The combined module can further uniformly correct the wall surface by increasing the proportion of the high beam lens 3 and the low beam lens 2. In the present embodiment, the number of the low beam lenses 2 is 1, the number of the high beam lenses 3 is 5, and a plurality of high beam lenses are fixed by the lens pressing plate; the dipped beam lens 2 and the high beam lens 3 can be matched at will according to requirements so as to achieve the best projection effect. In this embodiment, this wash pinup adopts passing light and distance light combination mode, can let the light of downward transmission turn into the light of the polarisation to the side, simple structure, small and exquisite, outward appearance fashion for embedded wash pinup can accomplish that the trompil size is little, from advantages such as wall installation 0.3m distance, solved embedded polarisation and washed pinup and from the shortcoming of wall installation distance far away. Its passing light and distance light optical module can arrange the LED light source that is popular on the market at present stage, can accomplish cost reduction in comparison, and optional colour temperature wide range solves the shortcoming such as conventional COB light source colour temperature is incomplete. And the wall washing lamp adopts the light source, the radiator and the lens integrated type, the adjustment purpose can be achieved only by rotating the light screen, and the wall washing lamp can be horizontally adjusted by 365 degrees, and the angle is 15 degrees larger than the angle adjusted by the wall washing lamp on the market. Meanwhile, the near light and the high beam lens are combined, and the defects that the upper light and the lower light of the optical lens on the market are uneven, the installation distance from a wall is long, namely 0.8-1m and the like can be overcome by combining the two light emitting modes.

The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.

Claims

1. A wall washing lamp with a combination of a far light lens and a near light lens is characterized by comprising a lamp body, wherein an LED light source component (4), a far light lens (3), a near light lens (2) and a shading plate (1) covering the surface of the lamp body are sequentially arranged in the lamp body; the shading plate (1) is dug to be provided with at least one light hole, the dipped beam lens (2) penetrates through the light hole, and the high beam lens (3) is abutted against the inner surface of the light hole; the LED light source assembly (4) emits light rays, and the light rays are projected through the low beam lens (2) and the high beam lens (3).

2. The wall washer lamp with combination of high beam and low beam lenses as claimed in claim 1, wherein the low beam lens (2) comprises a total reflection structure (22) and a total refraction structure (21);

the total-refraction structure (21) is surrounded by a first incidence surface (211) and a first diffusion surface (212), and light rays transmitted by the first incidence surface (211) are refracted through the first diffusion surface (212);

the total reflection structure (22) is enclosed by a second incidence surface (221), a first reflection surface (222) and a second diffusion surface (223), and light rays transmitted by the second incidence surface (221) are reflected by the first reflection surface (222) and then projected by the second diffusion surface (223);

the first incident surface (211) and the second incident surface (221) are connected to form a first light groove (23) for placing a light source, and the first diffusion surface (212) and the second diffusion surface (223) are connected.

3. The washer lamp as claimed in claim 2, wherein the second diffusing surface (223) is provided with a cylindrical structure (224) on its outer surface.

4. The wall washer lamp with the combination of the high beam lens and the low beam lens as claimed in claim 1, wherein a second light groove (31) for placing a light source is dug on the upper surface of the high beam lens (3), and a third diffusion surface (32) is dug on the lower surface of the high beam lens (3) and is axially arranged along the second light groove (31); a fourth diffusion surface (33) is further connected to the periphery of the third diffusion surface (32), and the fourth diffusion surface (33) is connected with the third diffusion surface (32) through an inclined surface; and a second reflecting surface (34) is connected with the fourth diffusion surface (33) and the upper surface of the high beam lens (3).

5. The wall washer lamp with a combination of high beam and low beam lenses as claimed in claim 4, wherein the bottom surface of the second light groove and the third diffusing surface (32) are free-form surfaces.

6. The wall washer lamp with the combination of the far and near light lenses as claimed in claim 4, wherein the surfaces of the third diffusion surface (32) and the fourth diffusion surface (33) are of a bead surface or a frosted structure, and the outer surfaces of the third diffusion surface (32) and the fourth diffusion surface (33) are further provided with a polishing sheet.

7. The wall washer lamp as claimed in claim 4, wherein the number of said low beam lenses (2) is 1, the number of said high beam lenses (3) is 5, and a plurality of said high beam lenses (3) are fixed by a lens holder (9).

8. The wall washer lamp with the combination of the high beam and the low beam lenses as claimed in claim 1, wherein the LED light source assembly (4) comprises a heat dissipating bracket (41), a first light source plate (42) and a second light source plate (43) fixed on the heat dissipating bracket (41); first light source board (42) with passing light lens (2) butt sets up, second light source board (43) with distance light lens (3) butt sets up, first light source board (42) and second light source board (43) asymmetric setting.

9. The wall washer lamp with combination of high beam and low beam lenses as claimed in claim 1, wherein a light guide groove (11) is disposed outside the light hole of the light shielding plate (1).

10. The wall washer lamp with the combination of the high beam and the low beam lenses as claimed in claim 1, wherein the lamp body is formed by sequentially combining the face ring (5), the rotating ring (6), the heat sink (7) and the rear cover (8).

11. The washer lamp as claimed in claim 10, wherein the LED light source assembly (4) is fixed on one surface of the heat sink (7), and the other surface of the heat sink (7) is provided with a plurality of heat dissipating strips.

12. The wall washer lamp with the combination of the high beam and the low beam lenses as claimed in claim 10, wherein symmetrical fasteners (12) are disposed on two sides of the light screen (1), and the light screen (1) is fastened to a fastener hole (71) disposed on the heat sink (7) through the fasteners (12) and fixed to the heat sink (7).

13. The washer light of claim 10, wherein the outer wall of the rotating ring (6) is provided with a resilient rotating stop point (61), and the face ring (5) is provided with a movable groove (51) matched with the rotating stop point (61); and the outer surface of the rotating ring (6) is uniformly provided with three convex buckles (62), and the rotating ring (6) is clamped in the face ring (5) through the convex buckles (62).

14. The wall washer lamp with the combination of the high beam and the low beam lenses as claimed in claim 10, wherein a locking groove (72) is further provided at an outer side of one end of the heat sink (7), a locking protrusion (63) matching with the locking groove (72) is provided at an inner side of the rotating ring (6), and the locking protrusion (63) is locked into the locking groove (72) and is fixedly connected with the heat sink (7); the other end of the radiator (7) is fixed with the rear cover (8) through a bolt.