CN109827092B

CN109827092B - LED lighting lamp

Info

Publication number: CN109827092B
Application number: CN201910273712.3A
Authority: CN
Inventors: 潘年华; 赵安乐; 罗祖安
Original assignee: SNC Opto Electronic Co ltd
Current assignee: Shenzhen Lianyu photoelectric Co.,Ltd.
Priority date: 2019-04-07
Filing date: 2019-04-07
Publication date: 2020-05-12
Anticipated expiration: 2039-04-07
Also published as: CN109827092A

Abstract

The invention discloses an LED lighting lamp, which comprises a body, a first LED lamp panel, a first lampshade and an LED driving power supply, wherein the body is fixed in position, the first LED lamp panel is fixedly arranged in the center of the front surface of the body, and the first lampshade covers the light-emitting surface of the first LED lamp panel, and is characterized in that: be connected with two at least rotation lighting components around the periphery of body, rotate lighting components and can overturn relative to the body to produce the luminous angle that is different from first LED lamp plate mutually. The body extends outwards from the periphery to form a connecting arm, and the rotary lighting assembly is rotatably connected with the connecting arm. The invention has the advantages of large illumination angle, convenient light distribution and the like.

Description

LED lighting lamp

Technical Field

The invention relates to the field of illumination, in particular to an LED illumination lamp convenient for light distribution.

Background

The LED light source has the advantages of energy conservation, environmental protection, long service life and the like, and is widely applied to illumination in various places. In order to achieve a good lighting effect, the light distribution is generally performed on the field before installation, that is, the LED lamps are respectively arranged at different positions.

However, a plurality of LED lamps are installed in a plurality of places in a field, so that installation and wiring are very inconvenient, and installation cost is high;

on the other hand, after the arranged LED lamps are installed, the lighting direction can not be adjusted basically, and different lighting requirements of people cannot be met.

Even some LED lamps and lanterns can adjust the direction of illumination, nevertheless need climb to each LED lamps and lanterns edge respectively and adjust to reach holistic illuminating effect, and once adjust unsuccessful, still need again to climb repeatedly many times and adjust on each LED lamps and lanterns, the operation is very inconvenient.

Disclosure of Invention

The invention aims to provide an LED lighting lamp convenient for distributing light.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a LED illumination lamp, includes body, first LED lamp plate, first lamp shade, LED drive power supply, body rigidity, first LED lamp plate fixed mounting are put at the positive central point of body, and the luminous face of first LED lamp plate is stamped first lamp shade, its characterized in that: be connected with two at least rotation lighting components around the periphery of body, rotate lighting components and can overturn relative to the body to produce the luminous angle that is different from first LED lamp plate mutually.

Furthermore, the body extends outwards from the periphery to form a connecting arm, and the rotary lighting assembly is rotatably connected with the connecting arm.

Furthermore, the body is square, and the rotary lighting assembly is in a long strip shape; each corner of the square body extends outwards to form a connecting arm, and two ends of the rotary lighting assembly are connected to two adjacent connecting arms respectively; or, a connecting arm extends outwards from each periphery of the square body close to the center, and the center of the rotary lighting assembly in the length direction is connected to a single connecting arm.

Furthermore, the rotary lighting assembly comprises a radiator, a second LED lamp panel and a second lampshade covering the front face of the second LED lamp panel, the front face of the radiator is provided with a mounting surface, and the second LED lamp panel is mounted on the mounting surface of the radiator; the back of the body is provided with a power supply accommodating groove, and the LED driving power supply is arranged in the power supply accommodating groove; be equipped with the first line hole of crossing on the perisporium of power holding tank, the both ends of rotating lighting components are equipped with first connecting axle, and first connecting axle is equipped with the first shaft hole that runs through along the axial, and LED drive power supply's output line is connected to on the second LED lamp plate on the rotating lighting components through first line hole of crossing and first shaft hole.

Furthermore, the installation surface of the radiator of the rotary lighting assembly is inclined, so that the light emitting surface of the second LED lamp panel is inclined to the peripheral direction of the body. The light rays of the rotating lighting assembly tend to be peripheral, are not easy to overlap with the light rays emitted by the first LED lamp panel, the light distribution effect is better, and the overall illumination is more uniform and softer.

Furthermore, the second lampshade comprises a first light scattering area positioned on the light emitting surface and a second light scattering area positioned on the light incident surface, and the first light scattering area and the second light scattering area are both composed of a plurality of light scattering ribs which are arranged side by side and of which the top surfaces are smooth surfaces; the first light scattering area is close to the side far away from the body, the second light scattering area is close to the side next to the body, and the first light scattering area and the second light scattering area are not overlapped or partially overlapped in the vertical direction. So as to better distribute light to the light of the second LED lamp panel, so that the second LED lamp panel not only can illuminate the peripheral area of the ground, but also can illuminate the walls around the ground, so as to supplement light to other areas except the central area of the ground illuminated by the first LED lamp panel, and particularly after the angle of the rotary illumination assembly is adjusted, a good three-dimensional illumination effect can be achieved,

furthermore, the second lampshade also comprises a polarization area positioned on the light inlet surface, and the polarization area comprises at least one pointed polarization rib extending along the length direction of the second lampshade; the light deflection area is adjacent to the second light diffusion area and at least partially overlaps the first light diffusion area in the vertical direction. The light-deflecting area provided with the pointed light-deflecting ribs can well deflect a part of light of the second LED lamp panel, so that the deflected part of light is input into the second light-diffusing area and is dispersed by the second light-diffusing area, thereby not only dispersing light on the outer periphery, but also not reducing the brightness of the light on the outer periphery, and the whole lighting light is uniform and soft.

Furthermore, an opening is formed in one end, connected with the rotary lighting assembly, of the connecting arm, a slot is formed in the side edge of the opening, a plug board is inserted into the slot, a bearing hole is formed in the plug board, and a first connecting shaft of the rotary lighting assembly is inserted into the bearing hole; the connecting arm comprises a connecting arm base connected with the body and a connecting arm top cover covered with the connecting arm base, one part of the opening is positioned on the connecting arm base, and the other part of the opening is positioned on the connecting arm top cover. The first connecting shaft of the rotary lighting assembly is inserted into the bearing hole of the plug board, and then the plug board is vertically inserted into the opening, so that the rotary lighting assembly can be connected with the fixed connecting arm.

Furthermore, a power supply cover is covered on the body power supply accommodating groove and is rotationally connected to the power supply accommodating groove; a second connecting shaft is arranged on one side of the power supply cover, a first supporting column extends outwards from the peripheral wall of the power supply accommodating groove, a second shaft hole is formed in the first supporting column, and the second connecting shaft is inserted in the second shaft hole; the opposite side of the power supply cover positioned on the second connecting shaft is provided with a connecting lug extending towards the periphery, the connecting lug is provided with an inclined connecting groove, one side of the inclined connecting groove close to the power supply cover is high, and the other side of the inclined connecting groove far away from the power supply cover is low; correspondingly, the perisporium of power holding tank outwards extends has the second support column, is equipped with the screw hole that the horizontal direction extends on the second support column, and the screw hole aims at the spread groove, and the screw level passes the screw hole on the second support column and supports with the slope connecting slot of power lid connection lug and press mutually. The power supply cover with the inclined connecting groove can be extruded downwards by the screw horizontally penetrating through the screw hole, so that the power supply cover can be locked transversely, and the power supply cover can be tightly covered on the power supply accommodating groove downwards; meanwhile, the screw is not easy to slip and lose effectiveness, and the screw is very easy to lock.

Furthermore, a first vent hole which penetrates through the body up and down is formed in the periphery of the first lampshade of the body, so that heat dissipation is performed on the body; a second vent hole which penetrates through the connecting arm up and down is formed in the middle of the connecting arm so as to increase the heat dissipation effect of the rotary lighting assembly; the first wire passing hole is inclined, one side of the first wire passing hole close to the inside of the power supply accommodating groove is high, one side of the first wire passing hole close to the outside of the power supply accommodating groove is low, and a waterproof wire sleeve is plugged in the first wire passing hole, so that water cannot flow into the power supply accommodating groove along the first wire passing hole, and the waterproof effect is better; be connected with vertical connection piece between two adjacent linking arms, vertical connection piece is direct or indirect and this body coupling, can improve the support intensity to rotatory lighting components. The light-emitting wall of second lamp shade, the astigmatic muscle in first astigmatic district, the astigmatic muscle in second astigmatic district, the polarisation muscle in polarisation district all are the arch along the length direction of second lamp shade, can carry out the light filling to the both ends direction of rotating lighting components, and illumination angle is bigger.

Further, still be equipped with the microwave inductor in the power holding tank, can respond to the human removal that is located below the LED lamps and lanterns, realize the automatic LED lamps and lanterns that go on and off.

Further, the LED lighting lamp is an LED garage lamp.

The invention has the following beneficial effects:

1. the LED lamp comprises a fixed body and a first LED lamp panel, wherein a plurality of rotary lighting assemblies are connected around the periphery of the fixed body, and the rotary lighting assemblies can turn over relative to the fixed body so as to supplement light for peripheral areas which cannot be illuminated by the fixedly arranged first LED lamp panel, so that a better three-dimensional lighting effect is achieved;

2. the second lampshade of the rotary lighting assembly is provided with the light scattering ribs and the light polarizing ribs, so that light rays irradiated to the peripheral area by the rotary lighting assembly are uniform and soft, and the lighting effect is better;

3. the installation is convenient and the effect is good;

4. the LED lamp has convenient light distribution, can realize light distribution only by adjusting the angles of the rotating illumination assemblies at different positions on the same LED lamp, and does not need to climb to the LED lamps at different positions respectively to adjust light rays like the traditional light distribution.

It is noted that not all of the above effects need to be achieved simultaneously by any one product for practicing the invention.

Drawings

The invention is further illustrated by the following figures and examples:

FIG. 1 is a front perspective view of an embodiment of the present invention;

FIG. 2 is a rear perspective view of an embodiment of the present invention and a partially enlarged view thereof;

FIG. 3 is a first exploded view of an embodiment of the present invention;

FIG. 4 is a second exploded view of the embodiment of the present invention;

FIG. 5 is a third exploded view of the embodiment of the present invention;

FIG. 6 is a second front perspective view of the embodiment of the present invention, with the rotatable illumination assembly rotating relative to the body;

FIG. 7 is a perspective view of the body;

FIG. 8 is an exploded view of the rotating light assembly;

FIG. 9 is a front view of the rotating light assembly;

FIG. 10 is a cross-sectional view taken along line A-A of FIG. 9;

fig. 11 is a perspective view of the second cover.

Reference numerals:

1. a body; 2. a first LED lamp panel; 3. a first lamp shade; 4. an LED driving power supply; 5. rotating the lighting assembly; 6. a connecting arm; 7. a heat sink; 8. a second LED lamp panel; 9. a second lamp shade; 10. a mounting surface; 11. a power supply accommodating groove; 12. a first wire passing hole; 13. a first connecting shaft; 14. a first shaft hole; 15. a first light-scattering area; 16. a second light-scattering area; 17. a light deflection area; 18. an opening; 19. a slot; 20. inserting plates; 21. a bearing bore; 22. a connecting arm base; 23. a connecting arm top cover; 24. a power supply cover; 25. a second connecting shaft; 26. a peripheral wall; 27. a first support column; 28. a second shaft hole; 29. a connection bump; 30. connecting grooves; 31. a second support column; 32. a screw hole; 33. a first vent hole; 34. a second vent hole; 35. a waterproof wire sleeve; 36. a vertical connecting sheet; 37. a microwave inductor; 38. and a light outlet wall.

Detailed Description

Referring to fig. 1 to 11, in a preferred embodiment of the present invention, an LED lighting fixture includes a main body 1, a first LED lamp panel 2, a first lamp shade 3, and an LED driving power supply 4, wherein the main body 1 is fixed in position, the first LED lamp panel 2 is fixedly installed at a central position of a front surface of the main body 1, and a light emitting surface of the first LED lamp panel 2 is covered with the first lamp shade 3; body 1 is the square, is connected with respectively around four peripheries of body 1 and rotates lighting assembly 5, rotates lighting assembly 5 and is rectangular shape, rotates lighting assembly 5 and can overturn body 1 relatively to produce the luminous angle that is different from first LED lamp plate 2 mutually.

Referring to fig. 1, each corner of the square body 1 extends outwards to form a connecting arm 6, and two ends of the rotary lighting assembly 5 are respectively connected to two adjacent connecting arms 6; of course, it is also possible that a connecting arm 6 extends outwards from each periphery of the square body 1 near the center, and the center of the rotary lighting assembly 5 in the length direction is connected to a single connecting arm 6.

Referring to fig. 3 and 8, the rotary lighting assembly 5 includes a heat sink 7, a second LED lamp panel 8, and a second lampshade 9 covering the front surface of the second LED lamp panel 8, wherein the front surface of the heat sink 7 is provided with an installation surface 10, and the second LED lamp panel 8 is installed on the installation surface 10 of the heat sink 7; the back of the body 1 is provided with a power supply accommodating groove 11, and the LED driving power supply 4 is arranged in the power supply accommodating groove 11; be equipped with first line hole 12 of crossing on the perisporium 26 of power holding tank 11, the both ends of rotating lighting assembly 5 are equipped with first connecting axle 13, and first connecting axle 13 is equipped with the first shaft hole 14 that runs through along the axial, and LED drive power supply 4's output line is connected to on the second LED lamp plate 8 of rotating lighting assembly 5 through first line hole 12 and first shaft hole 1414.

Referring to fig. 4 and 8, the mounting surface 10 of the heat sink 7 of the rotary lighting assembly 5 is inclined, so that the light emitting surface of the second LED lamp panel 8 is inclined toward the peripheral direction of the body 1. The light rays of the rotating lighting assembly 5 tend to be peripheral and are not easy to overlap with the light rays emitted by the first LED lamp panel 2, the light distribution effect is better, and the overall illumination is more uniform and softer.

Referring to fig. 10 and 11, the second lamp shade 9 includes a first light-scattering area 15 located on the light-emitting surface and a second light-scattering area 16 located on the light-entering surface, and each of the first light-scattering area 15 and the second light-scattering area 16 is composed of a plurality of light-scattering ribs which are arranged side by side and have smooth top surfaces; the first light scattering area 15 is close to the side far away from the body 1, the second light scattering area 16 is close to the side near the body 1, and the first light scattering area 15 and the second light scattering area 16 are adjacent in the vertical direction, and of course, may be partially overlapped. So as to better distribute light to the light of the second LED lamp panel 8, so that not only the peripheral area of the ground can be illuminated, but also the walls around the ground can be illuminated, so as to supplement light to other areas except the central area of the ground illuminated by the first LED lamp panel 2, and especially after the angle of the rotary illumination assembly 5 is adjusted, a good three-dimensional illumination effect can be achieved,

referring to fig. 10 and 11, the second lamp shade 9 further includes a polarization region 17 located at the light incident surface, and the polarization region 17 includes at least one pointed polarization rib extending along the length direction of the second lamp shade 9; the polarizing region 17 is adjacent to the second light-scattering region 16 and overlaps with a part of the first light-scattering region 15 in the vertical direction. The light polarization area 17 provided with the pointed light polarization ribs can well deflect a part of light rays of the second LED lamp panel 8, so that the deflected part of light rays are input into the second light diffusion area 16 and are dispersed by the second light diffusion area 16, thereby not only dispersing light rays at the outer periphery, but also not reducing the brightness of light at the outer periphery, and the whole illumination light rays are uniform and soft.

Referring to fig. 3, an opening 18 is formed at one end of the connecting arm 6 connected with the rotary lighting assembly 5, a slot 19 is formed in the side edge of the opening 18, an inserting plate 20 is inserted into the slot 19, a bearing hole 21 is formed in the inserting plate 20, and the first connecting shaft 13 of the rotary lighting assembly 5 is inserted into the bearing hole 21; the connecting arm 6 comprises a connecting arm base 22 connected with the body 1 and a connecting arm top cover 23 covered with the connecting arm base 22, wherein one part of the opening 18 is positioned on the connecting arm base 22, and the other part of the opening 18 is positioned on the connecting arm top cover 23. The first connecting shaft 13 of the rotary lighting assembly 5 is inserted into the bearing hole 21 of the inserting plate 20, and then the inserting plate 20 is vertically inserted into the opening 18, so that the rotary lighting assembly 5 can be connected with the fixed connecting arm 6.

Referring to fig. 2 and 5, a power cover 24 covers the power accommodating groove 11 of the body 1, and the power cover 24 is rotatably connected to the power accommodating groove 11; a second connecting shaft 25 is arranged on one side of the power supply cover 24, a first supporting column 27 extends outwards from the peripheral wall 26 of the power supply accommodating groove 11, a second shaft hole 28 is formed in the first supporting column 27, and the second connecting shaft 25 is inserted into the second shaft hole 28; a connecting bump 29 extending towards the periphery is arranged on the opposite side of the second connecting shaft 25 of the power supply cover 24, an inclined connecting groove 30 is arranged on the connecting bump 29, one side of the inclined connecting groove 30 close to the power supply cover 24 is high, and the other side far away from the power supply cover 24 is low; correspondingly, a second supporting column 31 extends outwards from the peripheral wall 26 of the power accommodating groove 11, a screw hole 32 extending in the horizontal direction is formed in the second supporting column 31, the screw hole 32 is aligned with the connecting groove 30, and a screw horizontally penetrates through the screw hole 32 in the second supporting column 31 and is pressed against the inclined connecting groove 30 of the connecting bump 29 of the power cover 24. A horizontal screw hole 32 and an inclined connecting groove 30 are arranged, and a screw horizontally penetrating through the screw hole 32 can enable the power supply cover 24 with the inclined connecting groove 30 to be pressed downwards, so that the power supply cover 24 can be locked transversely, and the power supply cover 24 can be tightly covered on the power supply accommodating groove 11 downwards; meanwhile, the screw is not easy to slip and lose effectiveness, and the screw is very easy to lock.

Referring to fig. 1-3, a first vent hole 33 penetrating the body 1 up and down is formed at a peripheral position of the body 1 on the first lamp housing 3 to dissipate heat of the body 1; a second ventilation hole 34 which penetrates through the connecting arm 6 from top to bottom is formed in the middle of the connecting arm so as to increase the heat dissipation effect of the rotary lighting assembly 5; the first wire passing hole 12 is inclined, one side of the first wire passing hole close to the inside of the power supply accommodating groove 11 is high, one side of the first wire passing hole close to the outside of the power supply accommodating groove 11 is low, and a waterproof wire sleeve 35 is plugged in the first wire passing hole 12, so that water cannot flow into the power supply accommodating groove 11 along the first wire passing hole 12, and the waterproof effect is better; vertical connecting pieces 36 are connected between every two adjacent connecting arms 6, the vertical connecting pieces 36 are directly or indirectly connected with the body 1, and supporting strength of the rotary lighting assembly 5 can be improved.

Referring to fig. 10 and 11, the light-emitting wall 38 of the second lamp shade 9, the light-diffusing ribs of the first light-diffusing area 15, the light-diffusing ribs of the second light-diffusing area 16, and the light-polarizing ribs of the light-polarizing area 17 are all arched along the length direction of the second lamp shade 9, so that light can be supplemented to the directions of the two ends of the rotary illumination assembly 5, and the illumination angle is larger.

Referring to fig. 3 and 5, a microwave sensor 37 is further disposed in the power accommodating groove 11, and can sense movement of a human body located below the LED lamp, so as to automatically turn on and off the LED lamp.

The above embodiment includes the following beneficial effects:

1. the fixed body 1 and the first LED lamp panel 2 are arranged, a plurality of rotary lighting assemblies 5 are connected around the periphery of the body 1, and the rotary lighting assemblies 5 can be turned over relative to the body 1 so as to supplement light for peripheral areas which cannot be illuminated by the fixedly arranged first LED lamp panel 2, so that a better three-dimensional lighting effect is achieved;

2. the second lampshade 9 of the rotary lighting assembly 5 is provided with the light scattering ribs and the light polarizing ribs, so that light rays irradiated to the peripheral area by the rotary lighting assembly 5 are uniform and soft, and the lighting effect is better;

3. the installation is convenient and the effect is good;

4. the light distribution is convenient, the light distribution can be realized only by adjusting the angles of the rotating illumination assemblies 5 at different positions on the same LED lamp, and the light rays do not need to be adjusted by climbing onto the LED lamps at different positions respectively like the traditional light distribution.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is intended to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Also, the drawings are for illustrative purposes only and are presented as schematic illustrations only, not as physical illustrations, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Moreover, like or similar reference numerals in the drawings of the embodiments of the present invention correspond to like or similar components; in the description of the present invention, it should be understood that, if there are any terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "lateral", "longitudinal", "top", "bottom", "inner", "outer", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is for convenience only and to simplify the description, but it is not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Claims

1. The utility model provides a LED illumination lamp, includes body, first LED lamp plate, first lamp shade, LED drive power supply, body rigidity, first LED lamp plate fixed mounting are put at the positive central point of body, and the luminous face of first LED lamp plate is stamped first lamp shade, its characterized in that: the periphery of the body is connected with at least two rotating lighting assemblies, and the rotating lighting assemblies can be turned over relative to the body to generate a light-emitting angle different from that of the first LED lamp panel; the rotary lighting assembly comprises a radiator, a second LED lamp panel and a second lampshade covering the front face of the second LED lamp panel, the front face of the radiator is provided with a mounting surface, and the second LED lamp panel is mounted on the mounting surface of the radiator; the installation surface of the radiator of the rotary lighting assembly is inclined, so that when the rotary lighting assembly does not rotate outwards, the light emitting surface of the second LED lamp panel is inclined to the peripheral direction of the body; the second lamp shade is including the first light scattering area that is located the play plain noodles, the second light scattering area that is located going into the plain noodles, and first light scattering area is close to the one side of keeping away from the body, and second light scattering area is close to the one side of following the body, the second lamp shade is still including the polarisation district that is located going into the plain noodles, and the polarisation district includes at least one polarisation muscle that extends along second lamp shade length direction, and the polarisation district is close to in the second light scattering area, and overlaps with first light scattering area at least part in vertical direction.

2. The LED lighting fixture of claim 1, wherein: the body extends outwards from the periphery to form a connecting arm, and the rotary lighting assembly is rotatably connected with the connecting arm.

3. The LED lighting fixture of claim 2, wherein: the body is square, and the rotary lighting assembly is in a strip shape; each corner of the square body extends outwards to form a connecting arm, and two ends of the rotary lighting assembly are connected to two adjacent connecting arms respectively; or, a connecting arm extends outwards from each periphery of the square body close to the center, and the center of the rotary lighting assembly in the length direction is connected to a single connecting arm.

4. The LED lighting fixture of claim 3, wherein: the back of the body is provided with a power supply accommodating groove, and the LED driving power supply is arranged in the power supply accommodating groove; be equipped with the first line hole of crossing on the perisporium of power holding tank, the both ends of rotating lighting components are equipped with first connecting axle, and first connecting axle is equipped with the first shaft hole that runs through along the axial, and LED drive power supply's output line is connected to on the second LED lamp plate on the rotating lighting components through first line hole of crossing and first shaft hole.

5. The LED lighting fixture of claim 1, wherein: the first light scattering area and the second light scattering area are composed of a plurality of light scattering ribs which are arranged side by side and the top surfaces of which are smooth surfaces, and the first light scattering area and the second light scattering area are not overlapped or partially overlapped in the vertical direction.

6. The LED lighting fixture of claim 5, wherein: the polarizing ribs are pointed polarizing ribs.

7. The LED lighting fixture of claim 4, wherein: an opening is formed in one end, connected with the rotary lighting assembly, of the connecting arm, a slot is formed in the side edge of the opening, a plug board is inserted into the slot, a bearing hole is formed in the plug board, and a first connecting shaft of the rotary lighting assembly is inserted into the bearing hole; the connecting arm comprises a connecting arm base connected with the body and a connecting arm top cover covered with the connecting arm base, one part of the opening is positioned on the connecting arm base, and the other part of the opening is positioned on the connecting arm top cover.

8. The LED lighting fixture of claim 4, wherein: the body power supply accommodating groove is covered with a power supply cover, and the power supply cover is rotationally connected to the power supply accommodating groove; a second connecting shaft is arranged on one side of the power supply cover, a first supporting column extends outwards from the peripheral wall of the power supply accommodating groove, a second shaft hole is formed in the first supporting column, and the second connecting shaft is inserted in the second shaft hole; the opposite side of the power supply cover positioned on the second connecting shaft is provided with a connecting lug extending towards the periphery, the connecting lug is provided with an inclined connecting groove, one side of the inclined connecting groove close to the power supply cover is high, and the other side of the inclined connecting groove far away from the power supply cover is low; correspondingly, the perisporium of power holding tank outwards extends has the second support column, is equipped with the screw hole that the horizontal direction extends on the second support column, and the screw hole aims at the spread groove, and the screw level passes the screw hole on the second support column and supports with the slope connecting slot of power lid connection lug and press mutually.

9. The LED lighting fixture of claim 4, wherein: a first ventilation hole which penetrates through the body up and down is formed in the periphery of the first lampshade of the body; a second vent hole which penetrates through the connecting arm up and down is formed in the middle of the connecting arm; the first wire passing hole is inclined, one side of the first wire passing hole close to the inside of the power supply accommodating groove is high, one side of the first wire passing hole close to the outside of the power supply accommodating groove is low, and a waterproof wire sleeve is plugged in the first wire passing hole; a vertical connecting sheet is connected between two adjacent connecting arms, and the vertical connecting sheet is directly or indirectly connected with the body; the light-emitting wall of the second lampshade, the light scattering ribs of the first light scattering area, the light scattering ribs of the second light scattering area and the polarization ribs of the polarization area are all arched along the length direction of the second lampshade.