Double-sided light-emitting lamp

Abstract

The utility model discloses a two-sided light-emitting lamp, which comprises a lamp housing, a first light source assembly and a second light source assembly, the lamp housing comprises a main housing, a cover body and a connecting frame, the cover body covers the main housing, a mounting cavity is formed between the cover body and the main housing, and the connecting frame is arranged in the mounting cavity and divides the mounting cavity into a first chamber and a second chamber; the first light source assembly and the second light source assembly are arranged in the first cavity and the second cavity respectively, and a first connecting part in surface contact with the cover body and a second connecting part in surface contact with the main shell are formed on the connecting frame so that heat emitted by the first light source assembly and the second light source assembly can be transmitted to the outside of the lamp shell. According to the LED lamp, heat emitted by the first light source assembly and the second light source assembly can be quickly transferred to the main shell and the cover body through the connecting frame, and then is emitted to the outside of the lamp shell through the main shell and the cover body.

Description

Technical Field

[0001] The utility model relates to the technical field of lamps, in particular to a double-sided lighting lamp. Background Art

[0002] A double-sided lighting lamp refers to a lamp that can emit light in two different directions, generally capable of irradiating in two opposite directions. For example, it can emit light upward and downward. Double-sided lighting lamps are commonly used indoors and in wardrobes. Two sets of light sources (emitting light in different directions respectively) need to be arranged inside the double-sided lighting lamp. In related technologies, the lamp housing of such double-sided lighting lamps generally includes a bottom shell and an upper cover. Generally, two sets of horizontally extending support borders distributed in a stacked manner are arranged on the inner wall of the bottom shell. The two sets of light sources are respectively lapped on the two sets of support borders and then fixed by means of threaded connection or crimping. With the above scheme, the heat emitted by the two sets of light sources can be transferred to the bottom shell through heat conduction, and can also be transferred to the bottom shell and the upper cover through heat convection. Finally, the heat is dissipated to the outside through heat convection via the lamp housing. The heat dissipation efficiency of the above structure is relatively low. In addition, the heat emitted by the two sets of light sources will accumulate between the two sets of light sources. A light source with a relatively high temperature is likely to further increase the temperature of the other set of light sources through heat convection, further reducing the heat dissipation efficiency. Content of the Utility Model

[0003] The purpose of the utility model is to provide a double-sided lighting lamp, which can improve the heat dissipation efficiency of the double-sided lighting lamp.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A double-sided lighting lamp, comprising a lamp housing, a first light source assembly and a second light source assembly. The lamp housing includes a main housing, a cover body and a connecting frame. The cover body covers the main housing and forms an installation cavity therebetween. The connecting frame is arranged in the installation cavity and divides the installation cavity into a first chamber and a second chamber. The first light source assembly and the second light source assembly are respectively arranged in the first chamber and the second chamber. The connecting frame is formed with a first connecting portion in surface contact with the cover body and a second connecting portion in surface contact with the main housing, so as to transfer the heat generated by the first light source assembly and the second light source assembly to the outside of the lamp housing through heat transfer.

[0006] Preferably, a connecting plate is formed on the inner wall of the main housing. The cover body includes a cover plate and side plates arranged on the cover plate. The side plates extend into the installation cavity. The first connecting portion is attached to the side plates and is fixedly connected by screws. The second connecting portion is attached to the connecting plate and is fixedly connected by screws.

[0007] Preferably, the connecting frame includes a substrate and a support plate arranged in a stacked manner, and the support plate is fixedly connected to the substrate; first partitions extending upward are formed on both sides of the support plate, and the support plate and the first partitions cooperate to form a first concave cavity, and the first light source assembly is disposed in the first concave cavity; second partitions extending downward are formed on both sides of the substrate, and the substrate and the second partitions cooperate to form a second concave cavity, and the second light source assembly is disposed in the second concave cavity.

[0008] Preferably, both the first connecting portion and the second connecting portion are formed on the substrate.

[0009] Preferably, the support plate and the substrate are arranged at intervals, and bending plates are further formed at both end portions of the support plate, and the support plate is fixedly connected to the substrate through the bending plates.

[0010] Preferably, third connecting portions are further formed on both sides of the support plate, the first light source assembly includes a first lamp board and a first light source electrically connected to the first lamp board, both sides of the first lamp board are respectively lapped on the third connecting portions, and the first lamp board is in contact with the third connecting portions and is fixedly connected by screws.

[0011] Preferably, the first light source assembly further includes a first light-emitting plate, the cover body is provided with a first light-emitting port communicating the first concave cavity with the outside, a first baffle is formed on the side wall of the first partition located in the first concave cavity, and the first partition, the first baffle and the cover body cooperate to form a first installation groove, and the first light-emitting plate is located at the first light-emitting port and its two sides are inserted and fixed in the first installation groove.

[0012] Preferably, fourth connecting portions are further formed on both sides of the substrate, the second light source assembly includes a second lamp board and a second light source electrically connected to the second lamp board, both sides of the second lamp board are respectively lapped on the fourth connecting portions, and the second lamp board is in contact with the fourth connecting portions and is fixedly connected by screws.

[0013] Preferably, the second light source assembly further includes a second light-emitting plate, the main housing is provided with a second light-emitting port communicating the second concave cavity with the outside, a second baffle is formed on the side wall of the second partition facing away from the second concave cavity, a flange is formed on the bottom wall of the main housing, and the second baffle, the flange and the bottom wall of the main housing cooperate to form a second installation groove, and the second light-emitting plate is located at the second light-emitting port and its two sides are inserted and fixed in the second installation groove.

[0014] Preferably, the lamp housing is made of aluminum alloy, and the main housing, the cover body and the connecting frame are respectively formed as an integral structure.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] By providing a connecting frame, the installation cavity can be divided into a first chamber and a second chamber. The first light source assembly and the second light source assembly are respectively arranged in the first chamber and the second chamber, which can reduce the heat accumulation between the first light source assembly and the second light source assembly and lower the heat convection transfer between the first light source assembly and the second light source assembly. At the same time, a first connecting portion and a second connecting portion are formed on the connecting frame and are in surface contact with the cover body and the main housing respectively, so that the heat emitted by the first light source assembly and the second light source assembly can be quickly transferred to the main housing and the cover body through heat conduction, and then the heat is dissipated to the outside of the lamp housing. Through the above structural design, heat dissipation can be accelerated. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. is a schematic structural view of a double-sided lighting lamp provided by an embodiment of the present application;

[0018] Figure 2 is an exploded view of the double-sided lighting lamp Figure 1 ;

[0019] Figure 3 is a cross-sectional view of the lamp housing;

[0020] Figure 4 is a cross-sectional view of the double-sided lighting lamp;

[0021] Figure 5 is a schematic structural view of the connecting frame.

[0022] Wherein, 1, main housing; 10, connecting plate; 11, second light outlet; 12, second installation groove; 13, second concave cavity; 14, flange; 2, cover body; 20, cover plate; 200, first light outlet; 201, first installation groove; 202, first concave cavity; 21, side plate; 3, connecting frame; 30, substrate; 300, first connecting portion; 301, second connecting portion; 302, fourth connecting portion; 31, support plate; 310, third connecting portion; 32, bending plate; 33, first partition plate; 330, first baffle; 34, second partition plate; 340, second baffle; 4, first lamp board; 5, first light source; 6, second lamp board; 7, second light source; 8, diffuser plate; 9, PC board. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, in combination with the accompanying drawings and specific embodiments, the present utility model will be further described. It should be noted that, on the premise of non-conflict, any combination can be formed between the following-described embodiments or technical features to form a new embodiment. Except as otherwise specified, the materials and equipment used in this embodiment can be purchased from the market. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described by referring to the accompanying drawings are exemplary and are only used to explain the present application, and should not be construed as a limitation to the present application.

[0024] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application. In the description of the present application, the meaning of "a plurality" is two or more, unless otherwise specifically and precisely defined.

[0025] In the description of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected", "communicated", "connected" should be understood in a broad sense. For example, it can be a fixed connection, or can be connected through an intermediate medium, and can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0026] This embodiment provides a double-sided lighting lamp, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 . The double-sided lighting lamp includes a lamp housing, a first light source assembly, and a second light source assembly. Among them, the lamp housing includes a main housing 1, a cover body 2, and a connecting frame 3. The cover body 2 covers the main housing 1 and forms an installation cavity therebetween. The connecting frame 3 is disposed in the installation cavity and divides the installation cavity into a first chamber and a second chamber. The first light source assembly and the second light source assembly are respectively disposed in the first chamber and the second chamber. The connecting frame 3 is formed with a first connecting portion 300 in surface contact with the cover body 2 and a second connecting portion 301 in surface contact with the main housing 1 to transfer the heat generated by the first light source assembly and the second light source assembly to the outside of the lamp housing by heat conduction.

[0027] It is easy to understand that there are three basic forms of heat transfer: heat conduction, thermal radiation, and heat convection. The main reasons for the low heat dissipation efficiency of existing such double-sided lighting lamps are twofold: First, when the heat emitted by the light source assembly is transferred in the form of heat conduction, it can only be directly conducted to the bottom shell structure and then from the bottom shell to the upper cover. That is, there is no direct contact between the light source assembly and the upper cover. Second, heat will accumulate between the two groups of light source assemblies. In the case where the heat cannot be dissipated to the external environment through the bottom shell in a timely manner, the heat accumulated between the two groups of light source assemblies will exacerbate the temperature rise of the light source assembly. The double-sided lighting lamp provided in this embodiment can divide the installation cavity into a first chamber and a second chamber by setting the connecting frame 3. The first light source assembly and the second light source assembly are respectively arranged in the first chamber and the second chamber, which can reduce the heat accumulation between the first light source assembly and the second light source assembly and reduce the heat convection transfer between the first light source assembly and the second light source assembly. Compared with the double-sided lighting lamp in the prior art, the temperature rise of the first light source assembly and the second light source assembly can be slowed down through the above design. At the same time, a first connecting portion 300 and a second connecting portion 301 are formed on the connecting frame 3 and are in surface contact with the cover body 2 and the main housing 1 respectively, so that the heat emitted by the first light source assembly and the second light source assembly can be quickly transferred to the main housing 1 and the cover body 2 by heat conduction, and then the heat is dissipated to the outside of the lamp housing. Through the above design, the heat transfer efficiency is improved, thereby enhancing the heat dissipation efficiency.

[0028] As Figure 2 and Figure 3 shown in the figure, in this embodiment, a connecting plate 10 is formed on the inner wall of the main housing 1. The second connecting portion 301 is attached to the connecting plate 10 and is fixedly connected by screws. Through the above setting, the surface contact between the second connecting portion 301 and the main housing 1 is realized. The cover body 2 in this embodiment includes a cover plate 20 and a side plate 21 arranged on the cover plate 20. The side plate 21 extends into the installation cavity. The first connecting portion 300 is attached to the side plate 21 and is fixedly connected by screws. Through the above setting, the surface contact between the first connecting portion 300 and the cover body 2 is realized. At the same time, the assembly of the connecting frame 3 with the main housing 1 and the cover body 2 is also realized through the above setting.

[0029] Combined Figure 3 、 Figure 4 and Figure 5As shown, the connecting frame 3 in this embodiment includes a substrate 30 and a support plate 31 arranged in a stacked manner, and the support plate 31 is fixedly connected to the substrate 30. On both sides of the support plate 31, first partitions 33 extending upward are formed, and the support plate 31 and the first partitions 33 cooperate to form a first cavity 202, and the first light source assembly is arranged in the first cavity 202. On both sides of the substrate 30, second partitions 34 extending downward are formed, and the substrate 30 and the second partitions 34 cooperate to form a second cavity 13, and the second light source assembly is arranged in the second cavity 13. By designing the structure of the connecting frame 3, the first cavity 202 is further defined by the support plate 31 and the first partitions 33 in the first chamber, and the second cavity 13 is defined by the substrate 30 and the second partitions 34 in the second chamber. The first light source assembly is assembled through the first cavity 202, and the second light source assembly is assembled through the second cavity 13. The up and down directions in the terms "upward" and "downward" in this embodiment are as Figure 4 shown in

[0030] Furthermore, the support plate 31 and the substrate 30 in this embodiment are arranged at intervals, and bending plates 32 are further formed at both ends of the two sides of the support plate 31, and the support plate 31 is fixedly connected to the substrate 30 through the bending plates 32. Arranging the support plate 31 and the substrate 30 at intervals can further reduce the direct heat transfer between the first light source assembly and the second light source assembly, and further slow down the temperature rise of the first light source assembly and the second light source assembly. It is easy to understand that in other alternative embodiments, the support plate 31 and the substrate 30 can also be fixedly attached.

[0031] In this embodiment, the aforementioned first connecting portion 300 and second connecting portion 301 are both formed on the substrate 30. In this way, most of the heat generated by the first light source assembly is thermally conducted to the substrate 30 through the support plate 31, and then thermally conducted to the main housing 1 and the cover 2 by the substrate 30. Most of the heat generated by the second light source assembly is directly thermally conducted to the main housing 1 and the cover 2 through the substrate 30.

[0032] The first light source assembly in this embodiment includes a first lamp board 4, a first light source 5 electrically connected to the first lamp board 4, and a first light output board arranged on the cover plate 20. Third connecting portions 310 are further formed on both sides of the support plate 31. Both sides of the first lamp board 4 are respectively lapped on the third connecting portions 310, and the first lamp board 4 is in contact with the third connecting portions 310 and is fixedly connected by screws. On the one hand, this can realize the fixed assembly of the first lamp board 4 and the connecting frame 3, and on the other hand, it can realize the surface contact between the first lamp board 4 and the support plate 31, which is convenient for rapid heat conduction.

[0033] Further, the cover body 2 in this embodiment is provided with a first light outlet 200 that communicates the first cavity 202 with the outside. A first baffle 330 is formed on the side wall of the first partition 33 located in the first cavity 202. The first partition 33, the first baffle 330 and the cover body 2 cooperate to form a first installation groove 201. The first light-emitting plate is located at the first light outlet 200 and its two sides are inserted and fixed in the first installation groove 201. Through the above structural design, the assembly difficulty of the first light-emitting plate can be reduced.

[0034] Specifically in this embodiment, the first light-emitting plate includes a diffuser plate 8 and a PC board 9, and a good light-emitting effect can be obtained. In other embodiments, the first light-emitting plate includes a diffuser plate 8 and a prism plate.

[0035] The second light source assembly in this embodiment includes a second lamp board 6, a second light source 7 electrically connected to the second lamp board 6, and a second light-emitting plate provided on the main housing 1. Fourth connection portions 302 are further formed on both sides of the substrate 30. Both sides of the second lamp board 6 are respectively lapped on the fourth connection portions 302. The second lamp board 6 is in contact with the fourth connection portions 302 and is fixedly connected by screws. On the one hand, the fixed assembly of the second lamp board 6 and the connecting frame 3 can be realized, and on the other hand, the surface contact between the second lamp board 6 and the substrate 30 can be realized, which is convenient for rapid heat conduction.

[0036] Further, the main housing 1 in this embodiment is provided with a second light outlet 11 that communicates the second cavity 13 with the outside. A second baffle 340 is formed on the side wall of the second partition 34 facing away from the second cavity 13. A flange 14 is formed on the bottom wall of the main housing 1. The second baffle 340, the flange 14 and the bottom wall of the main housing 1 cooperate to form a second installation groove 12. The second light-emitting plate is located at the second light outlet 11 and its two sides are inserted and fixed in the second installation groove 12. Through the above structural design, the assembly difficulty of the second light-emitting plate can be reduced.

[0037] Specifically in this embodiment, the second light-emitting plate includes a diffuser plate 8 and a PC board 9, and a good light-emitting effect can be obtained. In other embodiments, the second light-emitting plate includes a diffuser plate 8 and a prism plate.

[0038] The lamp housing in this embodiment is made of aluminum alloy. The main housing 1, the cover body 2 and the connecting frame 3 are respectively formed as an integral structure. Specifically, the main housing 1, the cover body 2 and the connecting frame 3 are all manufactured by an extrusion integral molding process. The lamp housing made of aluminum alloy can improve the heat transfer efficiency on the lamp housing and also the heat dissipation efficiency to the external environment.

[0039] The first light source 5 and the second light source 7 in this embodiment are both lamp beads, and the first light source 5 and the second light source 7 are respectively fixedly installed on the first lamp board 4 and the second lamp board 6. In other alternative embodiments, the first light source 5 and the second light source 7 can also be light source structures such as light strips.

[0040] Combined with Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The assembly process of the double-sided lighting lamp provided in this embodiment is described as follows: Place and position the main housing 1, and place the second light-emitting plate (including the diffuser plate 8 and the PC board 9) between the two flanges 14 on the bottom wall of the main housing 1. Fasten and install the second lamp board 6 (with the second light source 7) in the second light source assembly to the substrate 30 of the connecting frame 3 with screws. Then, place the connecting frame 3 with the second lamp board 6 into the main housing 1, so that the second baffle 340 on the connecting frame 3 presses against the second light-emitting plate. At this time, the second baffle 340, the flange 14 and the inner wall of the main housing 1 form the second installation groove 12, and the second light-emitting plate is clamped and fixed. Of course, screws can also be used to penetrate the inner wall of the main housing 1 and the second baffle 340 to lock and fix the second light-emitting plate to the second baffle 340. At the same time, the second connecting portion 301 on the connecting frame 3 will press against the connecting plate 10 in the main housing 1, and screws are used to lock and fix the second connecting portion 301 to the connecting plate 10. Then, fasten and install the first lamp board 4 (with the first light source 5) to the support plate 31 on the connecting frame 3 with screws. Then, place the first light-emitting plate (including the diffuser plate 8 and the PC board 9) between the two first partitions 33 on the connecting frame 3 and above the first baffle 330. Finally, cover the cover body 2 on the main housing 1. The side plate 21 on the cover body 2 extends into the installation cavity, and the side plate 21 fits with the first connecting portion 300 on the connecting frame 3. Screws are used to lock and fix the first connecting portion 300 to the side plate 21. At the same time, the cover plate 20 presses against the first light-emitting plate. At this time, the cover plate 20, the first baffle 330 and the first partition 33 cooperate to form the first installation groove 201, and the first light-emitting plate is clamped and fixed.

[0041] Finally, it should be noted that the above embodiments are only optional embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention fall within the protection scope required by the present invention.

Claims

1. Double-sided light, characterized in that: The lamp housing comprises a first light source assembly and a second light source assembly, wherein the lamp housing comprises a main housing, a cover body and a connecting frame, wherein the cover body is arranged on the main housing to form a mounting cavity therebetween, and the connecting frame is arranged in the mounting cavity to separate the mounting cavity into a first cavity and a second cavity; The first light source assembly and the second light source assembly are respectively arranged in the first cavity and the second cavity, and the connecting frame is formed with a first connecting portion in contact with the cover surface and a second connecting portion in contact with the main shell surface, so as to transfer the heat generated by the first light source assembly and the second light source assembly to the outside of the lamp housing.

2. The double-sided light emitting lamp according to claim 1, characterized in that: The inner wall of the main shell is formed with a connecting plate, the cover body comprises a cover plate and a side plate arranged on the cover plate, and the side plate extends into the installation cavity; The first connection portion is fitted to the side plate and fastened with screws, and the second connection portion is fitted to the connection plate and fastened with screws.

3. The double-sided light emitting lamp according to claim 1 or 2, characterized in that: The connecting frame comprises a base plate and a supporting plate which are stacked, and the supporting plate is fixedly connected to the base plate; First baffles extending upward are formed on both sides of the support plate, and the support plate and the first baffles cooperate to form a first concave cavity, and the first light source assembly is arranged in the first concave cavity; Second partitions extending downwards are formed on both sides of the substrate, and the substrate and the second partitions cooperate to form a second concave cavity, and the second light source assembly is arranged in the second concave cavity.

4. The double-sided light emitting lamp according to claim 3, characterized in that: The first connection portion and the second connection portion are both formed on the substrate.

5. The double-sided light emitting lamp according to claim 3, characterized in that: The support plate is spaced apart from the base plate, and bending plates are formed at both side ends of the support plate, and the support plate is fixedly connected to the base plate via the bending plates.

6. The double-sided light emitting lamp according to claim 3, characterized in that: A third connecting portion is also formed on both sides of the support plate. The first light source assembly includes a first lamp board and a first light source electrically connected to the first lamp board. Both sides of the first lamp board are overlapped on the third connecting portion, and the first lamp board is fitted with the third connecting portion and fastened with screws.

7. The double-sided light emitting lamp according to claim 6, characterized in that: The first light source assembly also includes a first light output plate, the cover body is provided with a first light output port connecting the first concave cavity with the outside, the first partition is located on the side wall of the first concave cavity and is formed with a first baffle, the first partition, the first baffle and the cover body cooperate to form a first mounting groove, the first light output plate is located at the first light output port and its two sides are inserted and fixed in the first mounting groove.

8. The double-sided light emitting lamp according to claim 3, characterized in that: A fourth connecting portion is also formed on both sides of the substrate, and the second light source assembly includes a second lamp board and a second light source electrically connected to the second lamp board, and both sides of the second lamp board are respectively overlapped on the fourth connecting portion, and the second lamp board is fitted with the fourth connecting portion and fastened by screws.

9. The double-sided light emitting lamp according to claim 8, characterized in that: The second light source assembly also includes a second light emitting plate, the main shell is provided with a second light emitting port connecting the second cavity with the outside, the side wall of the second partition facing away from the second cavity is formed with a second baffle, the bottom wall of the main shell is formed with a flange, the second baffle, the flange and the bottom wall of the main shell cooperate to form a second mounting groove, the second light emitting plate is located at the second light emitting port and its two sides are inserted and fixed in the second mounting groove.

10. The double-sided light emitting lamp according to claim 1 or 2, characterized in that: The lamp housing is made of aluminum alloy, and the main housing, cover body and connecting frame are respectively formed into an integral structure.

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