Wall lamp

Abstract

The utility model relates to the technical field of building lighting, and discloses a wall lamp which comprises a lamp shell, an optical assembly and an installation assembly, the optical assembly is assembled in the lamp shell in a sealed mode, the installation assembly is assembled on the outer side of the lamp shell in a sealed mode, and an open isolation cavity is formed in the lamp shell. An isolation cavity is formed in the lamp shell and divides the interior of the lamp shell into an optical cavity, an isolation cavity and a redundancy cavity, an optical assembly is contained in the optical cavity, a power module is arranged in the isolation cavity, the installation assembly comprises a supporting piece, the supporting piece is arranged in the isolation cavity, the power module is assembled on the supporting piece, and spaced heat dissipation pieces are arranged on the surface of the lamp shell. The heat dissipation piece abuts against the installation assembly in an attached mode. The heat dissipation piece abuts against the installation assembly in an attached mode, heat in the lamp shell can be directly conducted into the air in an accelerated mode, the efficient heat dissipation effect is achieved, the heat dissipation piece can be hidden between the lamp shell and the installation assembly, the attractiveness is improved, electrical isolation and heat load sharing are achieved, and the problem of long-term high-temperature overheating damage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to building lighting technical field, especially a wall lamp. BACKGROUND

[0002] The wall lamp is a kind of building auxiliary lighting decorative lamps and lanterns, is usually installed on the building wall in indoor or outdoor, is used to adjust building surface light, makes the surrounding of building more elegant and harmonious, elegant and rich, and highlights the environment light beam atmosphere, is more suitable for the viewer around building to watch.The installation mode of wall lamp is relatively simple, first, cable slot is opened on building wall, then the cable line of wall lamp is arranged in cable slot, finally, wall lamp is directly fixed and installed on the surface of building wall by bolt.The heat dissipation mode of wall lamp is mostly that heat dissipation fins are arranged in lamp, heat dissipation hole is opened on lamp shell, heat dissipation fins quickly conduct heat in lamp shell, and heat is dissipated in air through heat dissipation hole.

[0003] Prior art, such as Chinese utility model patent, authorized announcement number: CN 217559668 U, discloses a double-head wall lamp, wherein the lamp shell is rectangular box structure, its both ends are open, and the middle part has installation cavity, the light emitting assembly is fixed by bolt at both ends of radiator in advance, then the radiator is assembled with light emitting assembly and installed in installation cavity.

[0004] The heat dissipation fin of the above-mentioned lamp is used, although it can directly conduct heat dissipation to light emitting assembly, but the heat dissipated by conduction will gather in lamp shell, even if the heat dissipation hole is opened on the lamp shell in the above-mentioned patent, it is also impossible to ensure that heat is dissipated in time, and the heat dissipation hole will cause the problem of air tightness of water vapor entering.

[0005] Therefore, it is necessary to propose a wall lamp to overcome the above technical problems. UTILITY MODEL CONTENT

[0006] In view of the problems existing in prior art, the utility model provides a wall lamp, after using the wall lamp, on the one hand, the lamp shell is provided with the heat dissipation piece in the form of interval on the open side surface of the isolation cavity, and the heat dissipation piece is in contact with the mounting assembly, the heat dissipation piece in the form of interval not only can accelerate the heat conduction of the heat in the lamp shell to air, realize high-efficiency heat dissipation effect, but also can be hidden between the lamp shell and the mounting assembly, without affecting the appearance of wall lamp.

[0007] On the other hand, the isolation cavity divides the inside of the lamp housing into an optical cavity, an isolation cavity and a redundancy cavity, the optical cavity contains the optical assembly, the isolation cavity is provided with a power module, the electrical isolation effect of the electrical device and the optical device is realized, the heat in the lamp housing is distributed in the optical cavity and the isolation cavity, the heat load sharing effect is achieved, the problem that the optical assembly is damaged due to long-term high temperature overheating is avoided, and the structure design of the redundancy cavity provides a large enough space for subsequent upgrading of the wall lamp, and the subsequent structure upgrading is facilitated.

[0008] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0009] The utility model provides a wall lamp, including lamp housing, optical assembly and installation component, the optical assembly is sealedly assembled in the lamp housing, the installation component is sealedly assembled on the outside of the lamp housing, and its characterized in being that: the lamp housing is provided with the isolation cavity of opening, the isolation cavity divides the inside of the lamp housing into an optical cavity, an isolation cavity and a redundancy cavity, the optical cavity contains the optical assembly, the isolation cavity is provided with a power module, the installation component includes a support, the support is placed in the isolation cavity, the power module is assembled on the support, the lamp housing is provided with the heat dissipation piece of interval on the opening side surface of the isolation cavity, and the heat dissipation piece is attached to the installation component.

[0010] In order to solve the technical problem, the further technical scheme adopted by the utility model is:

[0011] Optionally, the wall lamp, wherein the optical assembly includes a light source portion, a lens body abutting against the light source portion, a lens support adaptedly connected with the lens body, a honeycomb grid abutting against the lens body and a fixing frame abutting against the honeycomb grid, the light source portion, the lens body, the lens support, the honeycomb grid and the fixing frame are assembled in one body, and the light source portion and the fixing frame are assembled on the side surface of the isolation cavity close to the optical cavity.

[0012] Further optionally, the wall lamp, wherein the lamp housing is provided with a plane silk screen glass sealedly arranged in the end port close to the optical cavity, the plane silk screen glass is located at the light outlet of the fixing frame, and the orthographic projection of the silk screen part of the plane silk screen glass is located between the end port of the lamp housing and the light outlet of the fixing frame.

[0013] More further optionally, the wall lamp, wherein the lamp housing is provided with a non-light-transmitting plug glass sealedly arranged in the end port close to the redundancy cavity.

[0014] Further optionally, the above-mentioned wall lamp, wherein the optical components are provided in two identical groups, one group of the optical components is provided on the optical cavity side, and the other group of the optical components is provided on the redundant cavity side, the two groups of the optical components are provided in opposite directions, and the two groups of the optical components are respectively installed on both sides of the isolation cavity, and the flat silk-screened glass is sealed in the ports at both ends of the lamp housing.

[0015] Further optionally, in the above-mentioned wall lamp, the optical component also includes prism glass, the prism glass is sealed at one end port of the lamp housing close to the optical cavity, the prism glass includes flat transparent glass and prism-coated glass connected to the flat transparent glass, the prism-coated glass is located inside the lamp housing, and the flat transparent glass is located outside the lamp housing.

[0016] Further optionally, in the above-mentioned wall lamp, the flat transparent glass and the prismatic coated glass are integrally formed, and the orthographic projection of the prismatic coated glass is located between the port of the lamp housing and the light outlet of the fixing frame.

[0017] Further optionally, in the above-mentioned wall lamp, an opaque plugging glass is sealed on one end of the lamp housing close to the redundant cavity.

[0018] Further optionally, the above-mentioned wall lamp, wherein the optical components are provided in two identical groups, one group of the optical components is provided on the optical cavity side, and the other group of the optical components is provided on the redundant cavity side, the two groups of the optical components are provided in opposite directions, and the two groups of the optical components are respectively installed on both sides of the isolation cavity, and the prism glass is sealed on both end ports of the lamp housing.

[0019] Optionally, the above-mentioned wall lamp, wherein the installation assembly further includes a mounting groove and an I-shaped piece, both ends of the I-shaped piece are fixed in the mounting groove by bolts, the mounting groove and the I-shaped piece are provided with threading holes at corresponding positions, the threading holes on the mounting groove are provided with waterproof joints, and the I-shaped piece is provided with a plurality of mounting holes on a side away from the mounting groove.

[0020] Compared with the existing technology, this application has the following technical effects:

[0021] On the one hand, the lamp housing of the present application is provided with a spaced heat sink on the open side surface of the isolation cavity, and the heat sink is in close contact with the mounting assembly. The spaced heat sink can not only directly accelerate the heat transfer from the lamp housing to the air, achieving a highly efficient heat dissipation effect, but can also be hidden between the lamp housing and the mounting assembly, without affecting the aesthetic appearance of the wall lamp.

[0022] In another aspect, the isolation cavity separates the interior of the lamp housing into an optical cavity, an isolation cavity and a redundancy cavity, the optical cavity contains the optical assembly, the isolation cavity is provided with the power module, the electrical isolation effect of the electrical device and the optical assembly is realized, the heat in the lamp housing is distributed in the optical cavity and the isolation cavity, the heat load sharing effect is achieved, the problem that the optical assembly is damaged due to long-term high temperature overheating is avoided, and the structure design of the redundancy cavity provides a large enough space for subsequent upgrading of the wall lamp, and facilitates subsequent structure upgrading.

[0023] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and the content of the specification can be implemented, the following is a preferred embodiment of the present application and the detailed description of the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is one of the three-dimensional structure explosion schematic diagrams of the preferred embodiment of the present application (one end of the lamp housing is a plane silk screen glass, and the other end is a plug glass);

[0025] Figure 2 is Figure 1 is a three-dimensional assembly partial schematic diagram of the preferred embodiment of the present application (the lamp housing and the plug glass are not shown);

[0026] Figure 3 is a three-dimensional structure schematic diagram of the lamp housing of the preferred embodiment of the present application;

[0027] Figure 4 is a three-dimensional assembly structure schematic diagram of the preferred embodiment of the present application;

[0028] Figure 5 is the second three-dimensional structure explosion schematic diagram of the preferred embodiment of the present application (one end of the lamp housing is a plane silk screen glass, and the other end is a plug glass);

[0029] Figure 6 is a three-dimensional structure schematic diagram of the fixing frame of the preferred embodiment of the present application;

[0030] Figure 7 is a three-dimensional structure assembly schematic diagram of the lamp housing and the mounting assembly of the preferred embodiment of the present application;

[0031] Figure 8 is one of the three-dimensional assembly partial schematic diagrams of another preferred embodiment of the present application (the lamp housing is not shown, has two groups of optical assemblies, and both ends of the lamp housing have plane silk screen glasses);

[0032] Figure 9 is Figure 8 is the second three-dimensional assembly partial schematic diagram of another preferred embodiment of the present application (the lamp housing is not shown, has two groups of optical assemblies, and both ends of the lamp housing have plane silk screen glasses);

[0033] Figure 10 is a perspective assembly structure diagram of another preferred embodiment of the present application (a lamp housing with a set of optical assemblies, one end of the lamp housing has a prism glass)

[0034] Figure 11 is one of the perspective assembly structure diagrams of another preferred embodiment of the present application (a lamp housing with a set of optical assemblies, one end of the lamp housing has a prism glass);

[0035] Figure 12 is another of the perspective assembly structure diagrams of another preferred embodiment of the present application (a lamp housing with a set of optical assemblies, one end of the lamp housing has a prism glass);

[0036] Figure 13 is a perspective assembly structure diagram of another preferred embodiment of the present application (a lamp housing with two sets of optical assemblies, both ends of the lamp housing have prism glasses);

[0037] Figure 14 is a perspective structure explosion diagram of a mounting assembly of a preferred embodiment of the present application;

[0038] Figure 15 is Figure 14 one of the perspective structure diagrams of a mounting assembly in the present application (partially exploded);

[0039] Figure 16 is Figure 14 another of the perspective structure diagrams of a mounting assembly in the present application (partially exploded);

[0040] The parts in the drawings are marked as follows:

[0041] lamp housing 1, isolation chamber 11, optical chamber 12, redundancy chamber 13, heat dissipation member 14, optical assembly 2, light source part 21, lens body 22, lens support 23, honeycomb grid 24, fixing frame 25, prism glass 26, planar transparent glass 261, prism coating glass 262, mounting assembly 3, support member 31, mounting groove 32, I-shaped member 33, threading hole 34, mounting hole 35, sealing ring 36, planar silk-screen glass 4, plug glass 5, power module 6, and waterproof joint 7. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present application.

[0043] Embodiment 1

[0044] In the embodiment, as shown in Figures 1 to 7 A wall lamp is provided, which comprises a lamp housing 1, an optical assembly 2 and a mounting assembly 3, the optical assembly 2 is sealingly assembled in the lamp housing 1, the mounting assembly 3 is sealingly assembled outside the lamp housing 1, an isolated cavity 11 provided with an opening is arranged in the lamp housing 1, the isolated cavity 11 divides the inside of the lamp housing 1 into an optical cavity 12, the isolated cavity 11 and a redundant cavity 13, the optical cavity 12 contains the optical assembly 2, a power module 6 is arranged in the isolated cavity 11, the mounting assembly 3 comprises a support 31, the support 31 is arranged in the isolated cavity 11, the power module 6 is assembled on the support 31, and the lamp housing 1 is provided with a spaced heat dissipation piece 14 on the opening side surface of the isolated cavity 11, the heat dissipation piece 14 abuts against the mounting assembly 3.

[0045] In the embodiment, on the one hand, the lamp housing is provided with a spaced heat dissipation piece on the opening side surface of the isolated cavity, and the heat dissipation piece abuts against the mounting assembly, the spaced heat dissipation piece can not only directly accelerate the conduction of heat in the lamp housing to the air to achieve high-efficiency heat dissipation effect, but also can be hidden between the lamp housing and the mounting assembly without affecting the appearance of the wall lamp.

[0046] In the embodiment, on the other hand, the isolated cavity divides the inside of the lamp housing into the optical cavity, the isolated cavity and the redundant cavity, the optical cavity contains the optical assembly, the isolated cavity is arranged with the power module, the electrical isolation effect of the electrical device and the optical device is achieved, the heat in the lamp housing is distributed in the optical cavity and the isolated cavity to achieve the heat load sharing effect, and the problem that the optical assembly is damaged due to long-term high temperature overheating is avoided, and the structure design of the redundant cavity provides a large enough space for subsequent upgrading of the wall lamp, which is convenient for subsequent structure upgrading.

[0047] Optionally, as shown in Figure 1 and Figure 5 The optical assembly 2 comprises a light source part 21, a lens body 22 abutting against the light source part 21, a lens support 23 adaptively connected with the lens body 22, a honeycomb grid 24 abutting against the lens body 22 and a fixing frame 25 abutting against the honeycomb grid 24, the light source part 21, the lens body 22, the lens support 23, the honeycomb grid 24 and the fixing frame 25 are assembled in one body, and the light source part 21 and the fixing frame 25 are both assembled on the side surface of the isolated cavity 11 close to the optical cavity 12.

[0048] In the embodiment, the structure design of the lens support and the fixing frame can limit the relative displacement of the lens body and the honeycomb grid, improve the overall structural stability of the optical assembly and ensure stable projection of the light beam, and the honeycomb grid can process the glare of the light beam.

[0049] Further, as shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 , the lamp housing 1 is sealed with a plane silk-screen glass 4 in the end port close to the optical cavity 12, the plane silk-screen glass 4 is located at the light outlet of the fixed frame 25, and the orthographic projection of the silk-screen part of the plane silk-screen glass 4 is located between the end port of the lamp housing 1 and the light outlet of the fixed frame 25.

[0050] In this embodiment, the plane silk-screen glass is sealed in the end port of the lamp housing close to the optical cavity, which can filter out stray light at the light outlet, improve the effective light beam aggregation, and achieve the effect of enhancing the light intensity.

[0051] Further, as shown in Figure 7 , the lamp housing 1 is sealed with a light-tight plug glass 5 in the end port close to the redundant cavity 13.

[0052] In this embodiment, the light-tight plug glass is sealed in the end port of the lamp housing close to the redundant cavity, which can realize one-side light emission of the wall lamp on the one hand, and block the light beam emitted from the other side of the wall lamp on the other hand, finally realizing the one-side light emission requirement of the wall lamp.

[0053] Optionally, as shown in Figures 14 to 16 , the mounting assembly 3 further comprises a mounting groove 32 and a workpiece 33, both ends of the workpiece 33 are fixed in the mounting groove 32 through bolts, the mounting groove 32 and the workpiece 33 are both provided with a wire hole 34 at the corresponding positions, the waterproof joint 7 is installed on the wire hole 34 of the mounting groove 32, and a plurality of mounting holes 35 are formed on the side of the workpiece 33 away from the mounting groove 32.

[0054] In this embodiment, the mounting assembly adopts the structural design of the mounting groove and the workpiece, which can firmly mount the wall lamp on the external platform, solve the cable laying problem through the hole, and avoid the technical problem of water vapor entering the lamp housing.

[0055] Optionally, as shown in Figure 15 and Figure 16 , the mounting groove 32 is assembled to the opening side of the isolation cavity 11 through a sealing ring 36 and corresponding bolts, and the sealing ring 36 plays a function of preventing water vapor from entering the lamp housing 1.

[0056] Embodiment 2

[0057] In the embodiment, a wall lamp is provided, the plug glass 5 in the embodiment 1 is replaced by the plane silk screen glass 4, and a set of optical assemblies 2 are additionally added in the lamp shell 1, specifically:

[0058] In the embodiment, as shown in Figure 8 and Figure 9 , the optical assemblies 2 are provided with the same two sets, one set of the optical assemblies 2 is arranged on the side of the optical cavity 12, and the other set of the optical assemblies 2 is arranged on the side of the redundancy cavity 13, the two sets of the optical assemblies 2 are reversely arranged, the two sets of the optical assemblies 2 are respectively installed on the two sides of the isolation cavity 11, and the plane silk screen glass 4 is sealingly arranged in the end port of the lamp shell 1;

[0059] In the embodiment, the two sets of optical assemblies are respectively arranged on the sides of the optical cavity and the redundancy cavity, the two sets of optical assemblies are respectively installed on the two sides of the isolation cavity, and the plane silk screen glass is sealingly arranged in the end port of the lamp shell, so that the function effect that both sides of the wall lamp can emit light and project is realized, and the special occasion demand is met.

[0060] Embodiment 3

[0061] In the embodiment, a wall lamp is provided, the plane silk screen glass 4 in the embodiment 1 is replaced by the prism glass 26, specifically:

[0062] In the embodiment, as shown in Figures 10 to 12 , the optical assembly 2 further includes the prism glass 26, the prism glass 26 is sealingly arranged in the end port of the lamp shell 1 close to the optical cavity 12, the prism glass 26 includes a plane transparent glass 261 and a prism coating glass 262 connected with the plane transparent glass 261, the prism coating glass 262 is located in the lamp shell 1, and the plane transparent glass 261 is located outside the lamp shell 1;

[0063] In the embodiment, through the structural design of the prism glass, the light beam projected by the wall lamp is more dazzling, the light beam presents a cross-shaped radial shape, and the light color bright effect of the projected object is greatly improved.

[0064] In the embodiment, further optionally, as shown in Figure 10 and Figure 11 , the plane transparent glass 261 and the prism coating glass 262 are integrally formed, and the orthographic projection of the prism coating glass 262 is located between the port of the lamp shell 1 and the light outlet of the fixing frame 25;

[0065] In the embodiment, the planar transparent glass is integrally formed with the prismatic coated glass, which can enhance the structural firmness of the prismatic glass, and the orthographic projection of the prismatic coated glass is located between the port of the lamp shell and the light outlet of the fixing frame, which can filter out stray light from the light beam emitted by the light outlet, improve the effective light beam aggregation, and achieve the effect of enhancing the light intensity.

[0066] In the embodiment, further optionally, as shown in Figure 12 The light-tight plug glass 5 is sealingly arranged on the end port of the lamp shell 1 close to the redundant cavity 13.

[0067] In the embodiment, the light-tight plug glass is sealingly arranged on the end port of the lamp shell close to the redundant cavity, which can realize the single-side light emission of the wall lamp and block the light beam emitted from the other side of the wall lamp, thereby meeting the single-side light emission requirement of the wall lamp.

[0068] Embodiment 4

[0069] In the embodiment, the wall lamp is provided, the plug glass 5 in the embodiment 3 is replaced by the prismatic glass 26, and an additional set of optical components 2 is added in the lamp shell 1, specifically:

[0070] In the embodiment, as shown in Figure 10 and Figure 13 The optical components 2 are provided in two groups, one group of the optical components 2 is arranged on the optical cavity 12 side, and the other group of the optical components 2 is arranged on the redundant cavity 13 side, the two groups of the optical components 2 are reversely arranged, the two groups of the optical components 2 are respectively installed on the two sides of the isolation cavity 11, and the prismatic glass 26 is sealingly arranged on the two end ports of the lamp shell 1.

[0071] In the embodiment, the two groups of optical components are respectively arranged on the optical cavity side and the redundant cavity side, the two groups of optical components are respectively installed on the two sides of the isolation cavity, and the prismatic glass is sealingly arranged in the two end ports of the lamp shell, so that the wall lamp can emit light on both sides, the light beam emitted by the wall lamp is more dazzling, the light beam presents a cross-shaped radial pattern, the light color of the projected object is greatly improved, and the special occasion requirement is met.

[0072] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, any equivalent structure made by using the content of the present application specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A wall lamp comprising a lamp housing (1), an optical component (2) and a mounting component (3), wherein the optical component (2) is sealed and assembled in the lamp housing (1), and the mounting component (3) is sealed and assembled on the outside of the lamp housing (1), characterized in that: An open isolation cavity (11) is provided in the lamp housing (1), and the isolation cavity (11) divides the interior of the lamp housing (1) into an optical cavity (12), an isolation cavity (11), and a redundant cavity (13). The optical component (2) is accommodated in the optical cavity (12), and a power module (6) is provided in the isolation cavity (11). The mounting assembly (3) includes a support member (31), and the support member (31) is placed in the isolation cavity (11). The power module (6) is assembled on the support member (31). The lamp housing (1) is provided with a spaced heat dissipation member (14) on the side surface of the opening of the isolation cavity (11), and the heat dissipation member (14) is in contact with the mounting assembly (3).

2. A wall lamp according to claim 1, characterized in that: The optical assembly (2) comprises a light source portion (21), a lens body (22) abutting against the light source portion (21), a lens holder (23) adapted and snap-fitted with the lens body (22), a honeycomb grid (24) abutting against the lens body (22), and a fixing frame (25) abutting against the honeycomb grid (24). The light source portion (21), the lens body (22), the lens holder (23), the honeycomb grid (24), and the fixing frame (25) are assembled into one body. The light source portion (21) and the fixing frame (25) are both assembled on a side surface of the isolation cavity (11) close to the optical cavity (12).

3. A wall lamp according to claim 2, characterized in that: A plane silk-screened glass (4) is sealed in an end port of the lamp housing (1) close to the optical cavity (12); the plane silk-screened glass (4) is located at the light outlet of the fixing frame (25); and the orthographic projection of the silk-screened portion of the plane silk-screened glass (4) is located between the end port of the lamp housing (1) and the light outlet of the fixing frame (25).

4. A wall lamp according to claim 3, characterized in that: A light-proof plugging glass (5) is sealed in one end of the lamp housing (1) close to the redundant cavity (13).

5. The wall lamp according to claim 3, characterized in that: The optical components (2) are provided in two identical groups, one group of the optical components (2) is provided on the optical cavity (12) side, and the other group of the optical components (2) is provided on the redundant cavity (13) side. The two groups of the optical components (2) are provided in opposite directions and are respectively installed on both sides of the isolation cavity (11). The flat silk-screened glass (4) is sealed in both end ports of the lamp housing (1).

6. The wall lamp according to claim 2, characterized in that: The optical assembly (2) further comprises a prism glass (26), wherein the prism glass (26) is sealed and arranged at one end of the lamp housing (1) close to the optical cavity (12), and the prism glass (26) comprises a plane transparent glass (261) and a prism-coated glass (262) connected to the plane transparent glass (261), wherein the prism-coated glass (262) is located inside the lamp housing (1), and the plane transparent glass (261) is located outside the lamp housing (1).

7. The wall lamp according to claim 6, characterized in that: The flat transparent glass (261) and the prism-coated glass (262) are integrally formed, and the orthographic projection of the prism-coated glass (262) is located between the port of the lamp housing (1) and the light outlet of the fixing frame (25).

8. The wall lamp according to claim 7, characterized in that: An opaque plug glass (5) is sealed and provided on one end of the lamp housing (1) close to the redundant cavity (13).

9. The wall lamp according to claim 7, characterized in that: The optical components (2) are provided in two identical groups, one group of the optical components (2) is provided on the optical cavity (12) side, and the other group of the optical components (2) is provided on the redundant cavity (13) side. The two groups of the optical components (2) are provided in opposite directions and are respectively installed on both sides of the isolation cavity (11). The prism glass (26) is sealed on both end ports of the lamp housing (1).

10. A wall lamp according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9, characterized in that: The mounting assembly (3) further comprises a mounting groove (32) and an I-shaped piece (33), both ends of the I-shaped piece (33) being fixed in the mounting groove (32) by bolts, the mounting groove (32) and the I-shaped piece (33) both having threading holes (34) at corresponding positions, the threading holes (34) on the mounting groove (32) being provided with waterproof joints (7), and a plurality of mounting holes (35) being provided on a side of the I-shaped piece (33) away from the mounting groove (32).

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