LED lighting equipment with waterproof protection structure

By designing LED lighting equipment with waterproof protection structure, using rectangular frame structure, filter box and waterproof and dust-proof components, the problems of poor working stability and easy moisture in high-temperature environments are solved, and higher waterproofing and Dust resistance and service life.

CN222480441UInactive Publication Date: 2025-02-14ZHEJIANG ANAN LI GHTI NG CO LTD
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Patent Information

Application Number
CN202421379701.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-02-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing LED lighting equipment has poor working stability in high temperature environments and is prone to moisture to cause failure. The waterproof design has problems such as dust entering and strong wind and rain intrusion.

Method used

A LED lighting device with a waterproof protection structure is designed, with a housing with a rectangular frame structure, a built-in support mesh plate and LED light, a top cover is equipped with a breathable port and a filter box, and a waterproof and dustproof component is provided in the filter box. It includes a water absorption layer and dustproof net, and a reasonable distance is set between the barrier cover and the filter box to form an S-shaped air duct to block rainwater.

Benefits of technology

Effectively blocking external rainwater and dust, improving the waterproof and dustproof performance of LED lighting equipment, extending the service life of the equipment, and ensuring the stable operation of LED lights.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of LED lighting equipment, and particularly relates to LED lighting equipment with a waterproof protection structure, which comprises a shell, the shell is of a rectangular frame structure, and a supporting net plate is fixed in the middle of an inner cavity of the shell; a blocking cover is arranged, two sets of first transverse plates and second transverse plates are arranged in an inner cavity of the blocking cover in a staggered mode, the first transverse plates and the second transverse plates are used for forming an S-shaped air channel, external rainwater is effectively prevented from entering an inner cavity of a shell through two-layer staggered blocking, and the device is simple in structure, excellent in waterproof performance and extremely high in practicability; and a waterproof and dustproof assembly is arranged in the inner cavity of the filter box, dust in air is effectively filtered through a dustproof net, water vapor in the air is adsorbed and filtered through a water absorption layer, and the waterproof and dustproof functions of the device are further improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of LED lighting equipment, and in particular relates to an LED lighting equipment with a waterproof protection structure. Background Art

[0002] Existing LED lighting equipment is generally installed on the roadside as street lamps. However, since the LED lamps in the existing lighting equipment are in a relatively closed environment, it is not conducive to the heat dissipation of the LED lamps. When the LED lamps are always in a high-temperature working environment and are constantly generating heat, the working stability of the LED lamps is easily reduced, and in severe cases, the LED lamps may be burned out. If the LED lamps are exposed, it is easy for moisture to enter the lamp body, causing the LED lamps to become damp and easily causing the LED lamps to not work properly.

[0003] For example, the Chinese patent with the publication number CN209839878U discloses an LED lighting device for smart cities, including a lamp stand, a fan assembly, a lamp body assembly and a waterproof assembly. The fan assembly includes a shell, a fixed shaft and a fan. The shell is arranged on the end of the connecting rod away from the lamp pole. The shell is provided with a mounting cavity. The fixed shaft is arranged in the mounting cavity. The fan rotating sleeve is arranged outside the fixed shaft. The waterproof assembly includes a waterproof cover and a cover plate. The waterproof cover is arranged outside the shell, and there is an air outlet cavity in the waterproof cover. Each second heat dissipation hole is respectively connected with the accommodating cavity and the air outlet cavity. The cover plate is arranged on the waterproof cover. The utility model can facilitate the heat dissipation operation of the LED lamp by arranging the fan assembly, avoid the LED lamp being in a high-temperature working environment all the time, improve the working stability of the LED lamp, and avoid the problem of burning the lamp due to excessive temperature; at the same time, it can also prevent rainwater from entering the LED lamp, ensure that the LED lamp can work normally, and extend the service life of the LED lamp.

[0004] This patent has some shortcomings when used, such as: in this patent, the fan is used to dissipate heat from the LED in the inner cavity of the lighting device, and since there is no corresponding dust-proof measure at the air inlet, dust in the outside air can easily enter the inner cavity of the LED lamp body and accumulate inside the lampshade, which can easily reduce the illumination of the LED lighting device after long-term use; in addition, since the waterproof component in the device has an opening between the lower part of the waterproof cover and the fan component, when encountering a strong headwind environment, rainwater can easily follow the strong wind and enter the inner cavity of the LED lamp from the air outlet, causing the LED lamp to short-circuit, etc. In view of this, we propose an LED lighting device with a waterproof protection structure. Utility Model Content

[0005] The purpose of the utility model is to provide an LED lighting device with a waterproof protection structure to solve the problems raised in the above background technology.

[0006] In view of this, the utility model provides an LED lighting device with a waterproof protection structure, comprising:

[0007] A shell, the shell is a rectangular frame structure, a supporting mesh is fixed in the middle of the inner cavity of the shell, an LED lamp is installed in the inner cavity of the shell and directly below the supporting mesh, a lampshade is clamped and installed at the bottom opening of the shell, and the lampshade and the shell are in a closed state, a partition is fixed in the inner cavity of the shell and located at the center of the upper surface of the supporting mesh, the partition divides the upper space of the inner cavity of the shell into an air inlet chamber and an air outlet chamber, and a fan is fixed in the air inlet chamber of the shell;

[0008] A cover, the cover is fixedly mounted at the top opening of the shell, the cover is provided with two symmetrically arranged air vents at positions corresponding to the air inlet chamber and the air outlet chamber, and a filter box is fixed on the upper surface of the cover at the positions of the two air vents;

[0009] A waterproof and dustproof component, which is arranged in the inner cavity of the filter box and is used to filter moisture or dust in the external air;

[0010] The baffle cover is arranged just above the filter box, the inner cavity of the baffle cover is symmetrically fixed with connecting blocks, two groups of transverse plates 1 and 2 are symmetrically arranged between the two connecting blocks, and the transverse plates 1 and 2 in the same group are staggered.

[0011] In the above technical solution, further, the waterproof and dustproof component includes:

[0012] Eight protrusions are divided into two groups of support members, and each group of support members consists of four protrusions, one group of support members is fixedly installed at the upper position of the inner cavity of the filter box, and the other group of support members is fixedly installed at the middle position of the inner cavity of the filter box. The inner cavity of the filter box is provided with a water absorption layer and a dustproof net from bottom to top, the water absorption layer is placed above the support member in the middle of the inner cavity of the filter box, and the dustproof net is placed above the support member in the upper part of the inner cavity of the filter box.

[0013] In the above technical solution, further, the side wall of the dustproof net is symmetrically provided with groove 1, a stainless steel sheet is fixed in the groove 1, and groove 2 is provided on the inner wall of the filter box at positions corresponding to the two grooves 1, a magnet is fixed in the groove 2, and the stainless steel sheet is magnetically connected to the corresponding magnet.

[0014] In the present technical solution, when the dust screen is cleaned and replaced, the dust screen is easily installed and replaced because the dust screen and the filter box are magnetically fixed via a stainless steel sheet and a magnet.

[0015] In the above technical solution, further, the water absorbing layer is a double-layer duplex separation structure, and the distance between two adjacent layers ranges from 3 to 5 mm.

[0016] In this technical solution, by setting the water absorption layer as a double-layer duplex separation structure, the moisture in the air can be fully filtered and absorbed by the water absorption layer, preventing the moisture in the outside air from entering the inner cavity of the shell and causing irreversible damage to the components in the shell.

[0017] In the above technical solution, further, the outer wall of the filter box is fixed to the two connecting blocks, and the distance between the upper surface of the filter box and the inner top surface of the blocking cover is 2-5 cm.

[0018] In the present technical solution, by setting a reasonable distance between the filter box and the blocking cover, the outside air can enter the inner cavity of the shell through the gap, and at the same time, it can play a good role in blocking the outside rainwater.

[0019] In the above technical solution, further, the upper surfaces of the filter box, the connecting block and the transverse plate 1 are in a flush state.

[0020] In this technical solution, it is ensured that the air below the inner top surface of the blocking cover can circulate more smoothly.

[0021] In the above technical solution, further, the distance between the lower surface of the blocking cover and the upper surface of the cover is 2-5 cm, and the distance between the lower surface of the second horizontal plate and the lower surface of the blocking cover is 5-10 mm.

[0022] The beneficial effects of the utility model are:

[0023] 1. The LED lighting device with a waterproof protection structure is provided with a baffle cover, and two sets of horizontal plates 1 and 2 are arranged in a staggered manner in the inner cavity of the baffle cover. The horizontal plates 1 and 2 are used to form an S-shaped air duct, and two layers of staggered blocking are used to effectively block external rainwater from entering the inner cavity of the shell. The device has a simple structure, excellent waterproof performance, and is extremely practical.

[0024] 2. The LED lighting device with a waterproof protection structure is provided with a filter box, and a waterproof and dustproof component is provided in the inner cavity of the filter box. The dust in the air is effectively filtered by a dustproof net, and the water vapor in the air is adsorbed and filtered by a water absorption layer, thereby further improving the waterproof and dustproof functions of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 It is an exploded schematic diagram of the inner cavity parts of the shell in the utility model;

[0027] Figure 3 It is a structural schematic diagram of the waterproof mechanism in the utility model;

[0028] Figure 4 It is a schematic diagram of the combination of the waterproof and dustproof components and the filter box in the utility model;

[0029] Figure 5 It is an exploded schematic diagram of the waterproof and dustproof components and the filter box in the utility model.

[0030] The symbols in the figure are:

[0031] 1. Shell; 2. Support mesh; 3. LED lamp; 4. Lampshade; 5. Partition; 6. Fan; 7. Cover; 8. Air vent; 9. Filter box; 10. Shield; 11. Connecting block; 12. Horizontal plate 1; 13. Horizontal plate 2; 14. Bump; 15. Water absorption layer; 16. Dustproof net; 17. Groove 1; 18. Stainless steel sheet; 19. Groove 2; 20. Magnet. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0033] In the description of the present application, it should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The techniques, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but in appropriate cases, the techniques, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0034] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0035] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0036] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0037] Embodiment 1:

[0038] See also Figure 1 - Figure 5 As shown, this embodiment provides an LED lighting device with a waterproof protection structure, including:

[0039] The shell 1 is a rectangular frame structure, a supporting mesh plate 2 is fixed in the middle of the inner cavity of the shell 1, an LED lamp 3 is installed in the inner cavity of the shell 1 and directly below the supporting mesh plate 2, a lampshade 4 is clamped and installed at the bottom opening of the shell 1, and the lampshade 4 and the shell 1 are in a closed state, a partition plate 5 is fixed in the inner cavity of the shell 1 and located at the center of the upper surface of the supporting mesh plate 2, and the partition plate 5 divides the upper space of the inner cavity of the shell 1 into an air inlet chamber and an air outlet chamber, and a fan 6 is fixedly installed in the air inlet chamber of the shell 1;

[0040] The cover 7 is fixedly mounted at the top opening of the housing 1. Two symmetrically arranged air vents 8 are provided on the cover 7 at positions corresponding to the air inlet chamber and the air outlet chamber. A filter box 9 is fixed on the upper surface of the cover 7 at the positions of the two air vents 8.

[0041] A waterproof and dustproof component is arranged in the inner cavity of the filter box 9 and is used to filter moisture or dust in the external air;

[0042] The blocking cover 10 is arranged just above the filter box 9. The inner cavity of the blocking cover 10 is symmetrically fixed with connecting blocks 11. Two groups of horizontal plates 12 and horizontal plates 13 are symmetrically arranged between the two connecting blocks 11. The horizontal plates 12 and horizontal plates 13 in the same group are staggered.

[0043] In this embodiment, the waterproof and dustproof component includes:

[0044] There are eight protrusions 14, and the eight protrusions 14 are divided into two groups of support members, and each group of support members is composed of four protrusions 14, one group of support members is fixedly installed at the upper position of the inner cavity of the filter box 9, and the other group of support members is fixedly installed at the middle position of the inner cavity of the filter box 9. The inner cavity of the filter box 9 is provided with a water absorption layer 15 and a dustproof net 16 from bottom to top. The water absorption layer 15 is placed above the support member in the middle of the inner cavity of the filter box 9, and the dustproof net 16 is placed above the support member in the upper part of the inner cavity of the filter box 9.

[0045] Among them, the principle of this device is as follows:

[0046] The device can be fixedly installed on a roadside lamp pole, and the lighting of the LED lamp 3 can be realized by connecting the wire part of the lamp pole to the LED lamp 3. It is worth adding that the input voltage end of the fan 6 is connected in parallel with the input voltage end of the LED lamp 3. When the LED lamp 3 is working, the fan 6 will also start working at the same time and cool the LED lamp 3;

[0047] When the fan 6 is working, a pressure difference is formed above and below the fan 6, so that the air above passes through the fan 6 and enters the bottom of the fan 6, and finally passes through the through hole on the supporting mesh plate 2, passes through the LED lamp 3 and is discharged to the outside from the side of the air outlet chamber; the air inlet chamber draws the outside air into the inner cavity of the shell 1 in the following route: the outside air enters the inner cavity of the baffle 10 from the gap formed by the upper surface of the cover 7 and the lower surface of the baffle 10, and enters the upper layer of the inner cavity of the baffle 10 along the S-shaped air duct formed by the horizontal plate 1 12 and the horizontal plate 2 13 close to the side of the air inlet chamber, and then the air enters the inner cavity of the filter box 9 and passes through the waterproof and dustproof components, and then enters the air inlet chamber from the air vent 8 on the fan 6 close to the side of the air inlet chamber;

[0048] In the above process, when air enters the inner cavity of the filter box 9, the dustproof net 16 can effectively filter the dust in the air, and the water absorption layer 15 can absorb and filter the water vapor in the air. Due to the existence of the blocking cover 10 and the horizontal plate 12 and the horizontal plate 2 13, even in severe weather such as strong winds and heavy rains, raindrops will be blocked by the horizontal plate 2 13 and the horizontal plate 1 12 and the blocking cover 10, which greatly improves the waterproof function of the device.

[0049] It is worth adding that the baffle cover 10 is fixed to the two connecting blocks 11 in its inner cavity by bolts, which is not shown in the figure. This is the prior art and should be well known to those skilled in the art. This application will not elaborate on it. When replacing the water absorption layer 15 and the dustproof net 16 in the inner cavity of the filter box 9, first unscrew the fixing bolts between the baffle cover 10 and the connecting blocks 11, then the baffle cover 10 can be opened upwards, and the top opening of the filter box 9 can be exposed. Then the operator can replace or clean the water absorption layer 15 and the dustproof net 16 according to actual needs.

[0050] By setting a baffle 10, and setting two sets of staggered horizontal plates 12 and 13 in the inner cavity of the baffle 10, the horizontal plates 12 and 13 are used to form an S-shaped air duct, and the two layers of staggered blocking can effectively prevent external rainwater from entering the inner cavity of the shell 1. The device has a simple structure, excellent waterproof performance, and high practicality. By setting a filter box 9, and setting a waterproof and dustproof component in the inner cavity of the filter box 9, the dust in the air is effectively filtered by the dustproof net 16, and the water absorption layer 15 is used to adsorb and filter the water vapor in the air, which further enhances the waterproof and dustproof functions of the device.

[0051] Embodiment 2:

[0052] The present embodiment provides an LED lighting device with a waterproof protection structure. In addition to the technical solutions of the above-mentioned embodiments, it also has the following technical features: the side wall of the dustproof net 16 is symmetrically provided with grooves 17, and a stainless steel sheet 18 is fixed in the groove 17. The inner wall of the filter box 9 is provided with grooves 19 at positions corresponding to the two grooves 17, and a magnet 20 is fixed in the groove 19. The stainless steel sheet 18 is magnetically connected to the corresponding magnet 20.

[0053] When the dust screen 16 is cleaned and replaced, the dust screen 16 is easily installed and replaced because the dust screen 16 and the filter box 9 are magnetically fixed via the stainless steel sheet 18 and the magnet 20 .

[0054] Embodiment 3:

[0055] This embodiment provides an LED lighting device with a waterproof protection structure. In addition to the technical solutions of the above embodiments, it also has the following technical features: the water absorption layer 15 is a double-layer duplex separation structure, and the distance between two adjacent layers is in the range of 3-5 mm.

[0056] Among them, by setting the water absorption layer 15 into a double-layer duplex separation structure, the moisture in the air can be fully filtered and absorbed by the water absorption layer 15, thereby preventing the moisture in the external air from entering the inner cavity of the shell 1 and causing irreversible damage to the components in the shell 1.

[0057] Embodiment 4:

[0058] This embodiment provides an LED lighting device with a waterproof protection structure. In addition to the technical solutions of the above embodiments, it also has the following technical features: the outer wall of the filter box 9 is fixed to the two connecting blocks 11, and the distance between the upper surface of the filter box 9 and the inner top surface of the blocking cover 10 is 2-5 cm.

[0059] By setting a reasonable distance between the filter box 9 and the blocking cover 10, the outside air can enter the inner cavity of the shell 1 through the gap, and at the same time, it can play a good role in blocking the outside rainwater.

[0060] Embodiment 5:

[0061] This embodiment provides an LED lighting device with a waterproof protection structure. In addition to the technical solutions of the above embodiments, it also has the following technical features: the upper surfaces of the filter box 9, the connecting block 11 and the horizontal plate 12 are in a flush state.

[0062] In this case, the air below the top surface of the blocking cover 10 is ensured to circulate more smoothly.

[0063] Embodiment 6:

[0064] The present embodiment provides an LED lighting device with a waterproof protection structure. In addition to the technical solutions of the above-mentioned embodiments, it also has the following technical features: the distance between the lower surface of the blocking cover 10 and the upper surface of the cover 7 is 2-5 cm, and the distance between the lower surface of the horizontal plate 13 and the lower surface of the blocking cover 10 is 5-10 mm.

[0065] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. An LED lighting device with a waterproof protection structure, characterized in that: include: A shell (1), the shell (1) being a rectangular frame structure, a supporting mesh plate (2) being fixed in the middle of the inner cavity of the shell (1), an LED lamp (3) being installed in the inner cavity of the shell (1) and located directly below the supporting mesh plate (2), a lampshade (4) being snap-fitted and installed at the bottom opening of the shell (1), and the lampshade (4) and the shell (1) being in a sealed state, a partition plate (5) being fixed in the inner cavity of the shell (1) and located at the center of the upper surface of the supporting mesh plate (2), the partition plate (5) dividing the upper space of the inner cavity of the shell (1) into an air inlet chamber and an air outlet chamber, and a fan (6) being fixedly installed in the air inlet chamber of the shell (1); A cover (7), the cover (7) being fixedly mounted at the top opening of the housing (1), the cover (7) being provided with two symmetrically arranged air vents (8) at positions corresponding to the air inlet chamber and the air outlet chamber, and a filter box (9) being fixed on the upper surface of the cover (7) at the positions of the two air vents (8); A waterproof and dustproof component, which is arranged in the inner cavity of the filter box (9) and is used to filter moisture or dust in the external air; A blocking cover (10) is arranged directly above the filter box (9), a connecting block (11) is symmetrically fixed to the inner cavity of the blocking cover (10), two groups of horizontal plates (12) and horizontal plates (13) are symmetrically arranged between the two connecting blocks (11), and the horizontal plates (12) and horizontal plates (13) in the same group are arranged in a staggered manner.

2. The LED lighting device with a waterproof protection structure according to claim 1, characterized in that: The waterproof and dustproof component comprises: Eight protrusions (14), the eight protrusions (14) are divided into two groups of support members, and each group of support members is composed of four protrusions (14), one group of support members is fixedly installed at the upper position of the inner cavity of the filter box (9), and the other group of support members is fixedly installed at the middle position of the inner cavity of the filter box (9), and the inner cavity of the filter box (9) is provided with a water absorption layer (15) and a dustproof net (16) from bottom to top, the water absorption layer (15) is placed above the support member in the middle of the inner cavity of the filter box (9), and the dustproof net (16) is placed above the support member in the upper part of the inner cavity of the filter box (9).

3. The LED lighting device with a waterproof protection structure according to claim 2, characterized in that: The side wall of the dustproof net (16) is symmetrically provided with groove one (17), a stainless steel sheet (18) is fixed in the groove one (17), the inner wall of the filter box (9) is provided with groove two (19) at positions corresponding to the two grooves one (17), a magnet (20) is fixed in the groove two (19), and the stainless steel sheet (18) is magnetically connected to the corresponding magnet (20).

4. The LED lighting device with a waterproof protection structure according to claim 3, characterized in that: The water absorbing layer (15) is a double-layer duplex separation structure, and the distance between two adjacent layers ranges from 3 to 5 mm.

5. The LED lighting device with a waterproof protection structure according to claim 1, characterized in that: The outer wall of the filter box (9) is fixed to two connecting blocks (11), and the distance between the upper surface of the filter box (9) and the inner top surface of the blocking cover (10) is 2-5 cm.

6. The LED lighting device with a waterproof protection structure according to claim 5, characterized in that: The upper surfaces of the filter box (9), the connecting block (11) and the first transverse plate (12) are in a flush state.

7. The LED lighting device with a waterproof protection structure according to claim 6, characterized in that: The distance between the lower surface of the blocking cover (10) and the upper surface of the sealing cover (7) is 2-5 cm, and the distance between the lower surface of the second horizontal plate (13) and the lower surface of the blocking cover (10) is 5-10 mm.

Citation Information

Patent Citations

  • LED lighting equipment for smart city

    CN209839878U