Lamp

Abstract

The utility model provides a heat dissipation assembly. The heat dissipation assembly comprises a first housing; the light source module is mounted on the first shell; the second shell is telescopically connected with the first shell; a heat dissipation space for accommodating the light source module is arranged between the first shell and the second shell; the heat dissipation structure is arranged in the heat dissipation space; one end of the heat dissipation structure is connected with the light source module, and the other end of the heat dissipation structure is connected with the second shell; the heat dissipation structure comprises a plurality of cooling fins which can be folded or unfolded in sequence in the telescopic direction X of the second shell. By the adoption of the technical scheme, the lamp can stretch out and draw back to adjust the size of the lamp, so that the heat dissipation efficiency of the lamp is changed, and the small storage size and the high heat dissipation efficiency are both considered.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of photographic lamps and lanterns more specifically, it relates to a lamp. BACKGROUND

[0002] With the improvement of the light source power of photographic lamps and lanterns, the heat dissipation of photographic lamps and lanterns is more and more serious, therefore, most of the photographic lamps and lanterns need to set up the radiator. The design of the radiator limits the power upper limit of the light source board that the photographic lamps and lanterns can carry. In the case of a certain unit space volume, the higher the heat dissipation efficiency of the radiator, the higher the power of the light source board that can be supported. On the market, the types of photographic lamp radiators mainly have folding fin radiators.

[0003] If the traditional folding fin radiator wants to improve the heat dissipation efficiency, it is usually to splice more folding fins, which leads to the increase of the volume of the radiator with the increase of the power of the light source board, and it is difficult to balance the demand of product miniaturization and high heat dissipation power. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a lamp to solve the technical problem that the lamp is difficult to balance the product miniaturization and high heat dissipation power in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] Firstly, a lamp is provided, comprising: a first shell;

[0007] A light source module is installed on the first shell;

[0008] A second shell is connected with the first shell in an extendable and retractable manner; a heat dissipation space for accommodating the light source module is arranged between the first shell and the second shell;

[0009] A heat dissipation structure is arranged in the heat dissipation space; one end of the heat dissipation structure is connected with the light source module, and the other end of the heat dissipation structure is connected with the second shell; the heat dissipation structure comprises a plurality of heat dissipation fins which can be folded or unfolded in sequence along the extension direction X of the second shell.

[0010] By adopting the above technical scheme, the lamp can be extended or retracted to adjust its size, so as to change its heat dissipation efficiency, and balance the small storage size and high heat dissipation efficiency.

[0011] In one embodiment, the plurality of heat dissipation fins are connected in sequence along the extension direction X of the heat dissipation cover, wherein one of the heat dissipation fins is connected with the light source module, and another of the heat dissipation fins is connected with the second shell.

[0012] In one embodiment, the heat dissipation fin is provided with a first connecting part and a second connecting part, the first connecting part of the heat dissipation fin is movably connected with the first connecting part of the previous heat dissipation fin, and the second connecting part of the heat dissipation fin is movably connected with the second connecting part of the next heat dissipation fin.

[0013] In one embodiment, the heat dissipation fin is provided with a first connecting part, a second connecting part and a third connecting part, the third connecting part is located between the first connecting part and the second connecting part, the first connecting part and the second connecting part of the heat dissipation fin are movably connected with the first connecting part and the second connecting part of the previous heat dissipation fin, and the third connecting part of the heat dissipation fin is movably connected with the third connecting part of the next heat dissipation fin.

[0014] In one embodiment, the heat dissipation structure further comprises a heat pipe, the heat pipe is in heat conduction connection with the light source module, and the heat dissipation fin is provided with a connecting hole for plug-in cooperation with the heat pipe.

[0015] In one embodiment, the second shell comprises a plurality of heat dissipation frame bodies for forming the heat dissipation holes.

[0016] In one embodiment, the first shell is provided with a guide groove, one end of the heat dissipation frame body can be inserted into the guide groove and can be telescoped in the guide groove.

[0017] In one embodiment, the heat dissipation frame body is in transmission connection with the heat dissipation fin, and the heat dissipation fin moves relative to the first shell when the heat dissipation frame body is telescoped relative to the first shell.

[0018] In one embodiment, the first shell and / or the second shell is provided with an air cooling structure, the air cooling structure is arranged towards the heat dissipation fin, and the first shell and / or the second shell is provided with an air outlet hole.

[0019] In one embodiment, the first shell and the second shell are hollow shells, and the first shell and the second shell are connected through a slide rail structure. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0021] Figure 1 is a perspective view of the lamp provided by the embodiments of the present application, wherein the second shell is retracted relative to the first shell.

[0022] Figure 2 is a perspective view of a lamp provided by an embodiment of the present application, wherein the second shell extends relative to the first shell.

[0023] Figure 3 is a perspective view of a heat dissipation structure provided by an embodiment of the present application.

[0024] Figure 4 is a schematic view of a heat dissipation structure provided by an embodiment of the present application.

[0025] Figure 5 is an exploded view of a lamp provided by an embodiment of the present application.

[0026] Figure 6 is a sectional view of a lamp provided by another embodiment of the present application.

[0027] In the drawings, various reference signs are as follows:

[0028] 1, first shell; 2, second shell; 3, heat dissipation structure; 4, light source module; 5, sliding rail structure;

[0029] 11, guide groove; 12, air cooling structure; 21, heat dissipation hole; 31, heat dissipation fin; 32, heat pipe; 23, heat dissipation frame body;

[0030] 311, first connecting portion; 312, second connecting portion; 313, third connecting portion; 314, connecting hole. DETAILED DESCRIPTION

[0031] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0032] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.

[0033] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application, and do not indicate that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0034] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purposes and cannot be understood as indicating relative importance or indicating the number of technical features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly and specifically limited. The specific implementation of the utility model will be described in more detail in combination with specific embodiments:

[0035] As shown in Figures 1 to 3 The utility model embodiment provides a lamp, including but not limited to photographic lamp, it has the light source of larger power, thereby needing photographic lamp to have stronger heat dissipation performance, the lamp of this embodiment can be telescopic to adjust its size, thereby changing its heat dissipation efficiency, and small storage size and high heat dissipation efficiency are taken into account, the following is explained by specific implementation mode:

[0036] The lamp of this embodiment comprises:

[0037] First shell 1;

[0038] Light source module 4 is installed on first shell 1;

[0039] Second shell 2 is connected with first shell 1 and is telescopic;First shell 1 and second shell 2 are provided with heat dissipation space for accommodating light source module 4;

[0040] Heat dissipation structure 3 is arranged in heat dissipation space;One end of heat dissipation structure 3 is connected with light source module 4, and the other end of heat dissipation structure 3 is connected with second shell 2;Heat dissipation structure 3 comprises multiple heat dissipation fins 31 that can be folded or unfolded in turn along the telescopic direction X of second shell 2.

[0041] Here, it can be understood that first shell 1 refers to the shell for accommodating and fixing second shell 2 and heat dissipation structure 3;

[0042] Light source module 4 refers to the module for emitting light, which can be LED light source module in this embodiment;

[0043] Second shell 2 refers to the shell connected to first shell 1;Second shell 2 is connected with first shell 1, and heat dissipation space is provided between the two, second shell 2 is provided with multiple heat dissipation holes 21, heat dissipation holes 21 are communicated with heat dissipation space, heat dissipation structure 3 is accommodated in heat dissipation space, second shell 2 and first shell 1 are clearance fit, second shell 2 can be telescopic relative to first shell 1 to adjust the size of heat dissipation space, thereby adjusting the size of heat dissipation structure 3;

[0044] The heat dissipation structure 3 refers to a structure for connecting with the light source module 4 to realize heat dissipation; the heat dissipation structure 3 is arranged in the heat dissipation space, one end of the heat dissipation structure 3 is connected with the light source module 4, the other end of the heat dissipation structure 3 is connected with the second shell, the heat dissipation structure 3 comprises a plurality of heat dissipation fins 31, the plurality of heat dissipation fins 31 are arranged in sequence along the extension direction X of the second shell and can be folded or unfolded in sequence, and a preset distance is provided between the two adjacent heat dissipation fins 31;

[0045] When the second shell 2 extends relative to the first shell 1, the distance between the two adjacent heat dissipation fins 31 is expanded, and the overall size of the lamp is increased. Since the distance between the two adjacent heat dissipation fins 31 is expanded, air conduction is facilitated, and thus the heat dissipation efficiency of the heat dissipation structure 3 is improved. When the second shell 2 is retracted relative to the first shell 1, the distance between the two adjacent heat dissipation fins 31 is reduced, the heat dissipation efficiency of the heat dissipation structure 3 is reduced, and the overall size of the lamp is reduced, so that the lamp is easy to store.

[0046] The working principle of the lamp provided in the embodiment is as follows:

[0047] The light source module 4 is connected with the heat dissipation structure 3, a large amount of heat is transferred to the heat dissipation structure 3 when the light source module 4 works, the heat dissipation structure 3 comprises a plurality of heat dissipation fins 31, and a preset distance is provided between the two adjacent heat dissipation fins 31, so as to realize heat dissipation of the heat dissipation fins 31. When the light source module 4 dissipates a large amount of heat, the user can extend the second shell 2 relative to the first shell 1 to expand the size of the heat dissipation space, and at the same time, the distance between the two adjacent heat dissipation fins 31 is expanded to improve the heat dissipation efficiency. When the light source module 4 is turned off, the user can retract the second shell 2 relative to the first shell 1 to reduce the size of the heat dissipation space, and at the same time, the distance between the two adjacent heat dissipation fins 31 is reduced, so that the lamp is easy to store.

[0048] By adopting the above technical scheme, the lamp can be extended and retracted to adjust its size, so as to change its heat dissipation efficiency, and both small storage size and high heat dissipation efficiency are taken into account.

[0049] In one embodiment, the plurality of heat dissipation fins 31 are connected in sequence along the extension direction X of the second shell 2, one of the heat dissipation fins 31 is connected with the light source module 4, and the other heat dissipation fin 31 is connected with the second shell 2.

[0050] Here, it can be understood that the plurality of heat dissipation fins 31 are connected in sequence, the connection direction of the heat dissipation fins 31 is consistent with the extension direction X of the second shell 2, so that the plurality of heat dissipation fins 31 can be extended and retracted synchronously with the second shell 2, which is convenient for the user to operate.

[0051] By adopting the above technical scheme, the convenience of the user when operating is improved.

[0052] In one embodiment, the fin 31 is provided with opposite first and second connecting portions 311 and 312, the first connecting portion 311 of the fin 31 is movably connected with the first connecting portion 311 of the preceding fin 31, and the second connecting portion 312 of the fin 31 is movably connected with the second connecting portion 312 of the following fin 31.

[0053] Here, it can be understood that the first and second connecting portions 311 and 312 of the fin 31 are oppositely arranged, the first connecting portion 311 refers to a first part of the fin 31 for connection, and the second connecting portion 312 refers to a second part of the fin 31 for connection, a plurality of fins 31 are arranged in sequence along the extension direction X of the second shell 2, the first connecting portion 311 of the middle fin 31 of the three fins 31 arranged in sequence along the extension direction X of the second shell 2 is movably connected with the first connecting portion 311 of the preceding fin 31, that is, the two fins 31 can be relatively unfolded or folded; similarly, the second connecting portion 312 of the middle fin 31 is movably connected with the second connecting portion 312 of the following fin 31, that is, the two fins 31 can be relatively unfolded or folded; by analogy, the plurality of fins 31 reciprocatingly bend and extend along the extension direction X of the second shell 2.

[0054] By adopting the above technical scheme, the heat dissipation structure 3 is easy to stretch and contract, and the heat dissipation efficiency is also considered.

[0055] As shown in FIG. 1, Figure 4 In one embodiment, the fin 31 is provided with first, second and third connecting portions 311, 312 and 313, the third connecting portion 313 is located between the first and second connecting portions 311 and 312, the first and second connecting portions 311 and 312 of the fin 31 are movably connected with the first and second connecting portions 311 and 312 of the preceding fin 31, and the third connecting portion 313 of the fin 31 is movably connected with the third connecting portion 313 of the following fin 31.

[0056] Here, it can be understood that the first connecting portion 311 and the second connecting portion 312 of the heat dissipation fin 31 are oppositely arranged, and the third connecting portion 313 is located between the first connecting portion 311 and the second connecting portion 312; the first connecting portion 311 refers to a first part of the heat dissipation fin 31 for connection, the second connecting portion 312 refers to a second part of the heat dissipation fin 31 for connection, and the third connecting portion 313 refers to a third connecting portion 313 of the heat dissipation fin 31 for connection; a plurality of heat dissipation fins 31 are arranged in sequence along the extension direction X of the second shell 2, and the first connecting portion 311 and the second connecting portion 312 of the heat dissipation fin 31 located in the middle of the three heat dissipation fins 31 arranged in sequence along the extension direction X of the second shell 2 are movably connected with the first connecting portion 311 and the second connecting portion 312 of the previous heat dissipation fin 31, and the third connecting portion 313 of the heat dissipation fin 31 located in the middle is movably connected with the third connecting portion 313 of the next heat dissipation fin 31, that is, the two heat dissipation fins 31 are butterfly-shaped and can be relatively expanded or contracted.

[0057] By adopting the above technical scheme, the number of connecting portions is increased, so that the connection strength of the heat dissipation fin 31 is increased.

[0058] In an embodiment, the heat dissipation structure further comprises a heat pipe 32, the heat pipe 32 is in heat conduction connection with the light source module 4, and the heat dissipation fin 31 is provided with a connecting hole 314 for plug-in cooperation with the heat pipe 32.

[0059] Here, it can be understood that the heat pipe 32 is used for being plugged into the connecting hole 314, so as to realize the heat conduction connection between the light source module 4 and the heat dissipation fin 31.

[0060] By adopting the above technical scheme, the heat conduction connection between the light source module 4 and the plurality of heat dissipation fins 31 is realized.

[0061] In an embodiment, the second shell 2 comprises a plurality of heat dissipation frame bodies 23 for forming the heat dissipation holes 21.

[0062] Here, it can be understood that the heat dissipation frame body 23 refers to a frame body for assembling the second shell 2; the plurality of heat dissipation frame bodies 23 can be connected with each other, and the adjacent two heat dissipation frame bodies 23 are spaced apart by a preset distance to form the heat dissipation holes 21.

[0063] By adopting the above technical scheme, the structure of the second shell 2 is simple and easy to manufacture.

[0064] As shown in the drawings, Figure 5 In an embodiment, the first shell 1 is provided with a guide groove 11, one end of the heat dissipation frame body 23 can be inserted into the guide groove 11 and can be extended and retracted in the guide groove 11.

[0065] Here, it can be understood that the guide groove 11 refers to a groove structure for guiding the extension and retraction of the second shell 2;

[0066] Specifically, the shape and size of one end of the heat dissipation frame body 23 match the shape and size of the guide groove 11, so that the one end of the heat dissipation frame body 23 can be inserted into the guide groove 11, and the heat dissipation frame body 23 can be extended and retracted relative to the first shell 1 under the limitation of the groove wall of the guide groove 11.

[0067] By adopting the above technical scheme, the guide groove 11 guides the heat dissipation frame body 23 to extend and retract, so that the second shell 2 moves directionally.

[0068] In an embodiment, the heat dissipation frame body 23 is in transmission connection with the heat dissipation fins 31, and the heat dissipation fins 31 move relative to the first shell 1 when the heat dissipation frame body 23 extends and retracts relative to the first shell 1.

[0069] Here, it can be understood that the heat dissipation frame body 23 is in transmission connection with at least one heat dissipation fin 31, so that the heat dissipation frame body 23 can drive the heat dissipation structure 3 to extend and retract, so that the heat dissipation fins 31 extend and retract synchronously relative to the first shell 1 when the heat dissipation frame body 23 extends and retracts relative to the first shell 1.

[0070] By adopting the above technical scheme, the convenience of the user in operating the lamp is improved.

[0071] In an embodiment, the first shell 1 is provided with an air cooling structure 12, the air cooling structure 12 is arranged towards the heat dissipation fins 31, and the first shell 1 is provided with an air outlet hole; in other embodiments, the second shell 2 is provided with an air cooling structure 12, the air cooling structure 12 is arranged towards the heat dissipation fins 31, and the second shell 2 is provided with an air outlet hole.

[0072] Here, it can be understood that the air cooling structure 12 includes but is not limited to a fan, and the air cooling structure 12 is used to drive air to flow through the gap between two adjacent heat dissipation fins 31, so that the air carries away the heat of the heat dissipation fins 31.

[0073] By adopting the above technical scheme, the heat dissipation efficiency of the lamp is further improved.

[0074] In an embodiment, the first shell 1 and the second shell 2 are hollow shells, and the first shell 1 and the second shell 2 are connected through the slide rail structure 5. By adopting the above technical scheme, the first shell 1 and the second shell 2 are connected through the slide rail structure 5 to realize the extension and retraction connection of the two.

[0075] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A luminaire characterized by, The utility model relates to a light source module heat dissipation structure, including: First shell (1); Light source module (4) is installed on first shell (1); Second shell (2) is connected with first shell (1) telescopicly, and the heat dissipation space for accommodating light source module (4) is arranged between first shell (1) and second shell (2); Heat dissipation structure (3) is arranged in the heat dissipation space, one end of heat dissipation structure (3) is connected with light source module (4), the other end of heat dissipation structure (3) is connected with second shell (2), and heat dissipation structure (3) includes multiple heat dissipation fins (31) that can be folded or unfolded in turn along the telescopic direction X of second shell (2).

2. The luminaire of claim 1, wherein, Multiple heat dissipation fins (31) are connected in turn along the telescopic direction X of second shell (2), one of heat dissipation fins (31) is connected with light source module (4), and another of heat dissipation fins (31) is connected with second shell (2).

3. The luminaire of claim 2, wherein, Heat dissipation fin (31) is provided with opposite first connecting part (311) and second connecting part (312), the first connecting part (311) of heat dissipation fin (31) is movably connected with the first connecting part (311) of previous heat dissipation fin (31), and the second connecting part (312) of heat dissipation fin (31) is movably connected with the second connecting part (312) of subsequent heat dissipation fin (31).

4. The luminaire of claim 2, wherein, Heat dissipation fin (31) is provided with first connecting part (311), second connecting part (312) and third connecting part (313), the third connecting part (313) is located between first connecting part (311) and second connecting part (312), the first connecting part (311) and second connecting part (312) of heat dissipation fin (31) are movably connected with the first connecting part (311) and second connecting part (312) of previous heat dissipation fin (31), and the third connecting part (313) of heat dissipation fin (31) is movably connected with the third connecting part (313) of subsequent heat dissipation fin (31).

5. A luminaire as claimed in any one of claims 1 to 4, characterized in that The heat dissipation structure further includes a heat pipe (32) that is in thermal contact with the light source module (4), and the heat dissipation fin (31) is provided with a connecting hole (314) for plug-in cooperation with the heat pipe (314).

6. A luminaire as claimed in any one of claims 1 to 4, characterized in that The second shell (2) includes a plurality of heat dissipation frame bodies (23) for forming the heat dissipation holes (21).

7. The luminaire of claim 6, wherein, The first shell (1) is provided with a guide groove (11), and one end of the heat dissipation frame body (23) can be inserted into and telescopically extended in the guide groove (11).

8. The luminaire of claim 6, wherein, The heat dissipation frame body (23) is in transmission connection with the heat dissipation fin (31), and the heat dissipation fin (31) moves relative to the first shell (1) when the heat dissipation frame body (23) telescopically extends relative to the first shell (1).

9. The luminaire of any one of claims 1 to 4, wherein, The first shell (1) and / or the second shell (2) is provided with an air cooling structure (12) facing the heat dissipation fin (31), and the first shell (1) and / or the second shell (2) is provided with an air outlet hole.

10. The luminaire of any one of claims 1 to 4, wherein, The first shell (1) and the second shell (2) are hollow shells, and the first shell (1) and the second shell (2) are connected through a slide rail structure.

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