CN207298700U - Lighting device - Google Patents

Abstract

A kind of lighting device, it includes：Lamp housing, including bottom plate and the side plate around the edge of bottom plate, bottom plate have a mounting surface；At least one luminescence component, is arranged on mounting surface；Lens subassembly, is arranged on side of the luminescence component away from bottom plate；And light-transmitting plate, it is arranged on side of the lens subassembly away from luminescence component；Lens subassembly is arranged on mounting surface and an accommodating space is formed between bottom plate, and at least one luminescence component is arranged in accommodating space, and light-transmitting plate and lamp housing form a dust seal space.The lighting device can provide a kind of waterproofing grade height, the lighting device of long, the easy to disassemble maintenance of service life.

Description

lighting device

technical field

Embodiments of the present disclosure relate to a lighting device.

Background technique

A light emitting diode (Light Emitting Diode, LED) is a semiconductor light emitting device. Generally, a light emitting diode includes a semiconductor chip, and by applying a current to the semiconductor chip, excess energy can be released through recombination of carriers in the semiconductor to cause photon emission, thereby enabling the semiconductor chip to emit light.

A light-emitting diode lighting device is a lighting device that uses a light-emitting diode as a light source. The light-emitting diode lighting device has the advantages of energy saving, long life, good applicability, short response time, and environmental protection. Therefore, it has a good application prospect in the fields of lighting, signal indication, and backlight display.

Utility model content

Embodiments of the present disclosure provide a lighting device, which can provide a lighting device with a high waterproof level, a long service life, and easy disassembly and maintenance.

At least one embodiment of the present disclosure provides a lighting device, which includes: a lamp housing including a bottom plate and side plates surrounding the edge of the bottom plate, the bottom plate has an installation surface; at least one light-emitting component is arranged on the installation surface on the bottom plate lens assembly, arranged on the side of the light-emitting assembly away from the bottom plate; and a light-transmitting plate, arranged on the side of the lens assembly away from the light-emitting assembly; wherein, the lens assembly is arranged on the side of the light-emitting assembly An accommodating space is formed between the installation surface and the bottom plate, the at least one light-emitting component is arranged in the accommodating space, and the bottom plate of the light-transmitting plate and the lamp housing form a dust-proof and airtight space.

For example, the lighting module provided by an embodiment of the present disclosure further includes: a sealing ring disposed between the lamp housing and the light-transmitting plate, a sealing ring placement groove is provided on the lamp housing, and the sealing ring is provided The sealing ring is placed in the groove to seal the dust-proof airtight space.

For example, the lighting module provided in an embodiment of the present disclosure further includes a light-transmitting plate press frame, which is arranged on the side of the light-transmitting plate away from the bottom plate, and the light-transmitting plate pressing frame is set on the side of the light-transmitting plate. The edge is fixed with the lamp housing so as to press the light-transmitting plate tightly on the sealing ring.

For example, in the lighting module provided in an embodiment of the present disclosure, the pressure frame of the light-transmitting plate and the lamp housing are fixed to each other by screws.

For example, the lighting module provided by an embodiment of the present disclosure further includes: a mounting bracket, including a mounting plate and a bracket part connected to the mounting plate, the bracket part is rotatably connected to the lamp housing, and the mounting plate is configured To be fixed in the installation position.

For example, in the lighting module provided in an embodiment of the present disclosure, the mounting bracket further includes a toothed plate, and the opposite side plates of the lamp housing are provided with toothed grooves that cooperate with the toothed plate.

For example, in the lighting module provided in an embodiment of the present disclosure, the light-emitting diode lighting module includes: a heat sink disposed on the back of the bottom plate away from the installation surface.

For example, in the lighting module provided in an embodiment of the present disclosure, the light-emitting component includes: a circuit board disposed on the installation surface; and at least one light-emitting diode element disposed on the circuit board away from the installation surface side.

For example, the lighting module provided by an embodiment of the present disclosure further includes: a lens pressure plate disposed on the side of the lens assembly away from the bottom plate, the lens assembly includes a lens portion and a lens edge disposed around the lens portion part, the lens part is configured to distribute light to the LED element, the lens edge part is connected to the lens part to support the lens part, the lens pressing plate includes a lens opening and surrounds the lens an open frame pressure plate, the lens portion is configured to be exposed from the lens opening, the frame pressure plate is configured to exert a force on the lens edge portion toward the mounting surface to secure the lens assembly in the on the mounting surface described above.

For example, the lighting module provided by an embodiment of the present disclosure further includes: a power supply box, which is arranged opposite to the back of the bottom plate away from the installation surface, and the power supply box includes a cover plate and a power supply box body, opposite to the cover plate The box is used to form a power supply accommodating space, the power supply is arranged in the power supply accommodating space, and the sealing ring of the power supply box is arranged between the power supply box body and the cover plate to seal the power supply accommodating space.

For example, in the lighting module provided in an embodiment of the present disclosure, the power box body includes a fixing portion fixedly connected with the lamp housing, the fixing portion is located at at least one corner of the power box body, and the fixing A portion extends in a direction perpendicular to the cover plate, and the fixing portion is configured to space the bottom plate from the power supply box to form a heat dissipation interval.

For example, in the lighting module provided in an embodiment of the present disclosure, the cover plate includes: a connection hole; and a waterproof connection head disposed in the connection hole and configured to electrically connect the power supply with the outside.

For example, in the lighting module provided in an embodiment of the present disclosure, the at least one light-emitting component includes a plurality of light-emitting components, and the lighting device further includes wires connected to the plurality of light-emitting components in one-to-one correspondence, and the wires It is connected to the power supply through the wiring hole.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the utility model more clearly, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the invention, rather than limiting the invention.

FIG. 1 is an exploded schematic diagram of a lighting device provided by an embodiment of the present disclosure;

Fig. 2 is a schematic structural diagram of a lighting device provided by an embodiment of the present disclosure;

FIG. 3 is an exploded schematic diagram of another lighting device provided by an embodiment of the present disclosure;

Fig. 4 is a schematic structural diagram of another lighting device provided by an embodiment of the present disclosure;

FIG. 5 is an exploded schematic diagram of a power supply box provided by an embodiment of the present disclosure;

Fig. 6 is an exploded schematic diagram of a partial structure of another lighting device provided by an embodiment of the present disclosure;

Fig. 7 is an overall structural diagram of a lighting device provided by an embodiment of the present disclosure;

Fig. 8 is an overall structural diagram of another lighting device provided by an embodiment of the present disclosure; and

Fig. 9 is an exploded view of another lighting device provided by an embodiment of the present disclosure.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model embodiment clearer, the technical solution of the utility model embodiment will be clearly and completely described below in conjunction with the accompanying drawings of the utility model embodiment. Apparently, the described embodiments are some, but not all, embodiments of the invention. Based on the described embodiments of the invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the invention.

Unless otherwise defined, technical terms or scientific terms used herein shall have the usual meanings understood by those having ordinary skill in the art to which the invention pertains. "First", "second" and similar words used in the specification and claims of the invention patent application do not indicate any sequence, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

At present, with the continuous improvement of people's living standards, more and more scenes require the use of large-scale lighting devices to provide sufficient lighting and good visual viewing effects. However, the usual large-scale lighting devices have disadvantages such as high energy consumption, low protection level, and short service life.

An embodiment of the present disclosure provides a lighting device, which includes a lamp housing, including a base plate and side plates surrounding the edge of the base plate, the base plate has a mounting surface base plate; at least one light-emitting component disposed on the mounting surface; the base plate is disposed away from the light-emitting component The lens assembly on one side of the bottom plate and the light-transmitting plate arranged on the side of the lens assembly away from the light-emitting assembly. The lens assembly is arranged on the mounting surface and forms an accommodating space with the bottom plate, at least one light-emitting assembly is arranged in the accommodating space, and the bottom plate of the light-transmitting plate and the lamp housing form a dustproof airtight space. Therefore, the lighting device can provide double protection for the light-emitting components by arranging the light-emitting components in the accommodating space, and the bottom plate of the light-transmitting plate and the lamp housing form a dust-proof sealed space, and protect the light-emitting components from water and oxygen. Corrosion, increasing the service life of the lighting device.

The lighting device provided by the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

An embodiment of the disclosure provides a lighting device. Fig. 1 is an exploded schematic view of the structure of a lighting device according to this embodiment. As shown in FIG. 1 , the lighting device includes a lamp housing 130, the lamp housing 130 includes a bottom plate 110 with a mounting surface 111, side plates 131 surrounding the edge of the bottom plate 110, and at least one light-emitting component 120 disposed on the mounting surface 111. , the bottom plate is disposed on the side of the light-emitting assembly 120 away from the bottom plate 110 , the lens assembly 140 , and the light-transmitting plate 160 is disposed on the side of the lens assembly 140 away from the light-emitting assembly 120 . The lens assembly 140 is disposed on the installation surface 111 and forms an accommodating space with the bottom plate 110, at least one light-emitting assembly 120 is disposed in the accommodating space; the bottom plate of the light-transmitting plate 160 and the lamp housing 130 form a dust-proof sealed space. It should be noted that the lamp housing may include a bottom plate disposed on a side of the bottom plate away from the light-emitting component, or may not be provided with a bottom plate, and the disclosure is not limited here.

In the lighting device provided in this embodiment, the lens assembly is arranged on the installation surface and forms an accommodating space with the bottom plate, at least one light-emitting assembly is arranged in the accommodating space; the light-transmitting plate of the bottom plate and the lamp housing form a dust-proof The space is sealed, and the light-transmitting plate is arranged on the side of the lens assembly away from the light-emitting assembly. Therefore, the light-emitting component is arranged in the accommodation space, and the accommodation space is arranged in the dust-proof sealed space. The lighting device can provide double protection for the light-emitting component, protect the light-emitting component from being corroded by water and oxygen, and improve the use of the lighting device. longevity and stability.

In some examples, the lighting fixtures may be used in airports.

For example, the material of the light-transmitting plate 160 can be selected from materials such as glass, acrylic, and resin.

In some examples, as shown in FIG. 1 , the chassis 110 may be a complete chassis. Certainly, the present disclosure includes but is not limited to, the base plate 110 may also be formed by splicing a plurality of sub-base plates. At least one light-emitting component can be arranged on each sub-base. At this time, each sub-base and the light-emitting components arranged on it can form a light-emitting module; thus, different lighting power can be provided by setting the number of light-emitting modules in the lighting device.

In some examples, as shown in FIG. 1 , the light emitting assembly 120 includes a circuit board 121 and at least one light emitting diode element 122 disposed on the circuit board 121 . The circuit board 121 can be disposed on the installation surface 111 , and the LED element 122 is disposed on a side of the circuit board 121 away from the installation surface 111 .

For example, a plurality of threaded holes for mounting circuit boards may be provided on the mounting surface. Thereby, the circuit board can be fixed on the mounting surface by the screws matched with the threaded holes. Of course, the present disclosure includes but is not limited thereto, and the circuit board can also be fixed on the installation surface by other methods, for example, by clamping, bonding and other fixing methods.

For example, the circuit board may be a PCB (Printed Circuit Board, printed circuit board). The light emitting diode elements can be arranged on the PCB board to form a PCBA (Printed Circuit Board Assembly) with the light emitting diode elements, and then the printed circuit board is arranged on the mounting surface of the bottom plate.

In some examples, as shown in FIG. 1 , the light emitting assembly 120 includes a circuit board 121 and at least one light emitting diode element 122 disposed on the circuit board 121 . The circuit board 121 can be disposed on the installation surface 111 , and the LED element 122 is disposed on a side of the circuit board 121 away from the installation surface 111 .

For example, the material of the lens assembly is PC (polycarbonate) or PMMA (polymethyl methacrylate, also known as acrylic).

In some examples, the lighting device may further include a sealing member 125 disposed between the lens assembly 140 and the bottom plate 110 to seal the accommodation space. The sealing member 125 can be made of elastic material. When the lens assembly 123 is in contact with the bottom plate 110 through the sealing member 125, the pressure of the lens assembly 123 on the sealing member 125 can deform the sealing member 125, and the sealing member 125 is pressed tightly against the lens assembly 123 and the bottom plate 110, thereby sealing the accommodating space, further preventing water and oxygen from corroding the circuit board and the LED elements, and improving the service life and stability of the LED lighting module.

For example, the sealing member 125 can be a closed ring, and its cross-section is, for example, round, T-shaped, or 7-shaped or other shapes, and the material of the sealing member is, for example, silicone, rubber or other elastic materials.

In some examples, as shown in FIG. 1 , the illuminating device further includes a lens pressing plate 150 disposed on a side of the lens assembly 140 away from the bottom plate 110 . The lens pressing plate 150 is used to tightly press the lens assembly 140 on the installation surface 111 to seal the accommodating space.

For example, as shown in Figure 1, the lens assembly 140 includes a lens portion 141 and a lens edge portion 142 arranged around the lens portion 141, the lens portion 141 is used to distribute light to the LED element 122, the lens edge portion 142 and the lens portion 141 connected to support the lens portion 141 . The lens pressure plate 150 includes a lens opening 151 and a frame pressure plate 152 surrounding the lens opening 151. The lens portion 141 can be exposed from the lens opening 151. The frame pressure plate 152 can exert a force on the lens edge portion 142 toward the mounting surface 111 to fasten the lens assembly 140. on the mounting surface 111 .

For example, the lens support part and the lens part may be an integral structure. Certainly, the present disclosure includes but is not limited thereto, and the lens support part and the lens part may also be separate structures.

For example, threaded holes of the pressure plate can be provided on the mounting surface, and the frame pressure plate can be fastened on the mounting surface by the screws matched with the threaded holes of the pressure plate, so that the frame pressure plate can exert a force on the edge of the lens toward the mounting surface to lock the lens assembly Fastened on the installation surface, thereby further improving the sealing performance of the accommodating space, further preventing water and oxygen from corroding the circuit board and the LED element, and improving the service life and stability of the LED lighting module.

Fig. 2 is a schematic structural diagram of an illuminating device according to this embodiment. As shown in FIG. 2 , in order to better seal the above-mentioned dust-proof airtight space, the lighting device further includes: a sealing ring 170 arranged between the lamp housing 130 and the light-transmitting plate 160 . The lamp housing 130 is provided with a sealing ring placement groove 137, and the sealing ring 170 is arranged in the sealing ring placement groove 137, and a force is applied to the sealing ring 170 toward the bottom plate through the light-transmitting plate 160 so that the sealing ring 170 is deformed, thereby further sealing and preventing Dust-tight space. Therefore, the illuminating device can further prevent water and oxygen from corroding the circuit board and the light-emitting diode elements, and improve the service life and stability.

For example, the accommodating space can reach the waterproof level of IP68, and the dustproof and sealed space can reach the waterproof level of IP66.

For example, when the sealing ring is not pressed by the light-transmitting plate, the thickness of the sealing ring along the direction perpendicular to the bottom plate is greater than the depth of the sealing ring placement groove along the direction perpendicular to the bottom plate.

In some examples, as shown in FIG. 2 , the illuminating device further includes a light-transmitting plate pressing frame 180 disposed on a side of the light-transmitting plate 160 away from the bottom plate 110 . The transparent plate pressing frame 180 is disposed on the edge of the transparent plate 160 and fixed with the lamp housing 130 to press the transparent plate 160 tightly on the sealing ring 170 . For example, the pressure frame of the light-transmitting plate can be arranged on the edge of the light-transmitting plate and fixed with the lamp housing by snap-fitting. Because, when the lighting device is used for a period of time, the dust or other debris attached to the light-transmitting plate will seriously affect the brightness and appearance of the lighting device; and the lighting device provided by this embodiment is easy to disassemble and maintain, and can be installed on the light-transmitting plate When there is dust or other sundries attached to the surface, replace or clean the light-transmitting plate in time, so as to ensure the brightness of the lighting device.

It should be noted that other fixing methods can also be used to arrange the pressure frame of the light-transmitting plate on the edge of the light-transmitting plate and fix it with the lamp housing. For example, the pressure frame of the light-transmitting plate and the lamp housing can also be fixed to each other by screws.

Fig. 3 is a schematic structural diagram of another lighting device according to this embodiment. As shown in FIG. 3 , the base plate 110 has a back surface 112 away from the installation surface 111 . The lighting device also includes a heat sink 190 ; the heat sink 190 is disposed on the back surface 112 of the bottom plate 110 . The heat sink 190 can dissipate heat from the light-emitting component 120 disposed on the installation surface 111 . Certainly, the present disclosure includes but is not limited thereto, and the heat sink may not be arranged on the base plate, and the base plate is made of a material with excellent thermal conductivity to dissipate heat from the light-emitting component.

For example, as shown in FIG. 3 , the heat sink 190 includes a plurality of heat dissipation fins 191 , and the plurality of heat dissipation fins 191 and the bottom plate 110 can be integrally formed, so as to improve the heat dissipation capability of the light-emitting components. For example, the bottom plate and heat dissipation fins can be made of thermally conductive material, such as metal. Certainly, the present disclosure includes but is not limited thereto, and the heat sink and the bottom plate may also be separate structures, assembled together through fixing parts.

For example, the heat sink can also be a thermally conductive metal block or a thermally conductive metal plate.

For example, in some examples, at least one light-emitting component can be a plurality of light-emitting components. At this time, as shown in FIG. to control the lighting components individually.

Another embodiment of the present disclosure provides a lighting device. Fig. 4 is an exploded schematic view of the structure of a lighting device according to this embodiment. As shown in FIG. 3 , the bottom plate 110 also has a back surface 112 away from the installation surface 111 ; Fig. 5 is an exploded schematic diagram of the structure of a power supply box according to this embodiment. As shown in FIG. 5 , the power box 200 includes a cover plate 210 , a power box body 220 , a power supply 230 and a power box sealing ring 240 . The power supply box body 220 and the cover plate 210 are arranged on the box to form a power supply accommodating space, the power supply 230 is arranged in the power supply accommodating space; the power supply box sealing ring 240 is arranged between the power supply box body 220 and the cover plate 210 to accommodate the power supply Space sealed.

In some examples, as shown in FIG. 4 , the power supply box 200 further includes a fixing part 240 that fixedly connects the power supply box 200 and the lamp housing 130. The fixing part 240 extends along a direction perpendicular to the cover plate 210, and the fixing part 240 can connect the bottom plate 110 is spaced apart from the power supply box 200 to form a heat dissipation interval fixing part 240 fixing part 240 fixing part 240 bottom plate, that is to say, there is a gap between the bottom plate 110 and the power supply box 200 facing each other, so as to facilitate air circulation to improve the lighting device cooling capacity. For example, the fixing part 240 is disposed on the power box body 220 and located at at least one corner of the power box body 220 .

For example, as shown in FIG. 4 , the lighting device can connect the fixing part 240 to the lamp housing 130 through screws 250 .

For example, in some examples, as shown in FIG. 5 , the cover plate 210 includes a wiring hole 211 and a waterproof terminal 212 disposed in the wiring hole 211 and electrically connecting the power supply 230 with the outside.

For example, in some examples, at least one light-emitting component may be a plurality of light-emitting components, and the lighting device further includes wires connected one-to-one to the multiple light-emitting components, and the wires are connected to a power supply through a wiring hole.

Another embodiment of the present disclosure provides a lighting device. Fig. 6 is an exploded schematic diagram of a partial structure of an illuminating device according to this embodiment. As shown in FIG. 6 , the lighting device further includes a mounting bracket 300 , and the mounting bracket 300 includes a mounting board 310 and a bracket portion 320 connected to the mounting board 310 . The bracket part 320 is rotatably connected with the lamp housing 130, and the mounting plate 310 is fixed at the mounting position. Thus, through the installation bracket, the lighting device can be installed at the installation position, and can also be rotated to provide different illumination angles.

For example, the above-mentioned rotational connection can be realized by a toothed plate and a toothed groove. As shown in FIG. 6 , the mounting bracket 300 includes an outer toothed plate 321 , and an inner toothed plate 1315 matched with the outer toothed plate 321 is provided on the opposite side plate 131 of the lamp housing 130 . Thus, the illuminating device can rotate on the plane of rotation of the outer toothed disc/inner toothed disc, thereby providing different illumination angles.

For example, as shown in FIG. 6 , the bracket part 320 may further include screws 322 to install the outer chainring 321 on the bracket part 320 .

7 to 9 are the overall structure diagram and structural disassembly diagram of an illuminating device according to this embodiment. As shown in Figures 7-9, the lighting device includes a lamp housing 130, a light-emitting assembly 120, a lens assembly 140, a lens pressing plate 150, a light-transmitting plate 160, a sealing ring 170, a light-transmitting plate pressing frame 180, a heat sink 190, and a power supply box. 200 and mounting bracket 300. Therefore, the lighting device can provide double protection for the light-emitting component, protect the light-emitting component from being corroded by water and oxygen, and improve the service life and stability of the lighting device. It should be noted that, for the specific structure and arrangement of the above-mentioned components, reference may be made to the relevant descriptions in FIGS. 1-6 , which will not be repeated here.

For example, as shown in Figure 9, the lighting device also includes: a waterproof connector 520; and a waterproof box 530, including a plurality of waterproof ports, one end of the wire of the light-emitting component can be connected with the light-emitting component, and the other end is provided with a waterproof connector 520, and can pass through The waterproof joint 520 is connected with the waterproof port of the waterproof box 530 . Thus, each light-emitting component can be controlled through the wire, for example, the brightness of the light-emitting component connected to the wire can be controlled by controlling the current on the wire. In addition, the waterproof joint and waterproof box can provide better waterproof performance. It should be noted that the above-mentioned waterproof wire is a wire with a waterproof function.

In the invention, the same or similar components in each embodiment use the same or similar reference numerals, the description of these components can refer to each embodiment, and the structures and solutions of different embodiments can be combined or partially combined with each other.

The above descriptions are only exemplary implementations of the present utility model, and are not intended to limit the protection scope of the present utility model, which is determined by the appended claims.

Claims (14)

1. A lighting device, characterized in that it comprises: The lamp housing includes a bottom plate and side plates surrounding the edge of the bottom plate, the bottom plate has a mounting surface; At least one light-emitting component is arranged on the installation surface; a base plate lens assembly, disposed on a side of the light emitting assembly away from the base plate; and The light-transmitting plate is arranged on the side of the lens assembly away from the light-emitting assembly; wherein, the lens assembly is arranged on the installation surface and forms an accommodating space with the bottom plate, and the at least one light-emitting The assembly is arranged in the accommodating space, and the bottom plate of the light-transmitting plate and the lamp housing form a dust-proof sealed space. 2. The lighting device according to claim 1, further comprising: a sealing ring, arranged between the lamp housing and the light-transmitting plate, Wherein, the lamp housing is provided with a sealing ring placement groove, and the sealing ring is arranged in the sealing ring placement groove to seal the dustproof airtight space. 3. The lighting device according to claim 2, further comprising: The light-transmitting plate pressing frame is arranged on the side of the light-transmitting plate away from the bottom plate, Wherein, the light-transmitting plate pressing frame is arranged on the edge of the light-transmitting plate and fixed with the lamp housing so as to press the light-transmitting plate tightly on the sealing ring. 4 . The lighting device according to claim 3 , wherein the pressure frame of the light-transmitting plate and the lamp housing are fixed to each other by screws. 5. The lighting device according to any one of claims 1-4, further comprising: The mounting bracket includes a mounting plate and a bracket part connected to the mounting plate, Wherein, the bracket part is rotatably connected with the lamp housing, and the installation plate is configured to be fixed at the installation position. 6 . The illuminating device according to claim 5 , wherein the mounting bracket further comprises a toothed plate, and the side plates opposite to each other in the lamp housing are provided with toothed grooves that cooperate with the toothed plate. 7 . 7. The lighting device according to any one of claims 1-4, characterized in that the lighting device comprises: The heat sink is arranged on the back side of the bottom plate away from the installation surface. 8. The lighting device according to any one of claims 1-4, characterized in that, the light emitting component comprises: a circuit board secured to the mounting surface; and At least one light emitting diode element is arranged on the circuit board and is located on a side of the circuit board away from the installation surface. 9. The lighting device according to claim 8, further comprising: a lens pressing plate, arranged on the side of the lens assembly away from the bottom plate, Wherein, the lens assembly includes a lens portion and a lens edge portion arranged around the lens portion, the lens portion is configured to distribute light to the LED element, and the lens edge portion is connected to the lens portion , to support the lens portion, the lens pressure plate includes a lens opening and a frame pressure plate surrounding the lens opening, the lens portion is configured to be exposed from the lens opening, and the frame pressure plate is configured to hold the lens The edge portion exerts a force toward the mounting surface to secure the lens assembly to the mounting surface. 10. The lighting device according to any one of claims 1-4, further comprising: the power supply box is arranged opposite to the back of the bottom plate away from the installation surface, Wherein, the power supply box includes a cover plate; the power supply box body is boxed with the cover plate to form a power supply accommodating space; the power supply is set in the power supply accommodating space; and the power supply box sealing ring is set in the The space for accommodating the power supply is sealed between the main body of the power supply box and the cover plate. 11. The lighting device according to claim 10, characterized in that, the power supply box further comprises: a fixing part fixedly connecting the power supply box with the lamp housing, the fixing part is perpendicular to the cover plate Extending in a direction, the fixing portion is configured to space the bottom plate from the power supply box to form a heat dissipation gap. 12. The lighting device according to claim 11, wherein the fixing part is located at at least one corner of the power box body. 13. The lighting device according to claim 10, wherein the cover plate comprises: wiring holes; and The waterproof terminal is arranged in the wiring hole and is configured to electrically connect the power supply with the outside. 14. The lighting device according to claim 13, wherein the at least one light-emitting component comprises a plurality of light-emitting components, and the lighting device further comprises wires connected to the multiple light-emitting components in one-to-one correspondence, the The wire is connected with the power supply through the wiring hole.