CN213276233U

CN213276233U - Light source refrigeration heat abstractor and projection lamp

Info

Publication number: CN213276233U
Application number: CN202021941065.3U
Authority: CN
Inventors: 梁宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-05-25
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a light source refrigeration heat dissipation device and a projection lamp, which comprises a base, a refrigeration component, a first heat dissipation structure and a fan, wherein the refrigeration component and the first heat dissipation structure are arranged on the base, the refrigeration component comprises a refrigeration end and a heating end, the refrigeration end of the refrigeration component can generate heat conduction with the base, the first heat dissipation structure can form an air flow channel, the heating end of the refrigeration component is arranged in the air flow channel, the fan is arranged on the first heat dissipation structure, the fan can drive the external air flow to enter the air flow channel through the first heat dissipation structure, the fan guides the external air flow to enter the air flow channel through the first heat dissipation structure and then discharge, the external air flow temperature firstly dissipates the heat of the first heat dissipation structure and then enters the air flow channel, the air flow secondly dissipates the heat of the heating end of the refrigeration component, the refrigeration assembly can stably operate, heat can reasonably flow outwards to be dissipated, and a good heat dissipation effect can be achieved.

Description

Light source refrigeration heat abstractor and projection lamp

Technical Field

The utility model relates to the field of lighting, in particular to light source refrigeration heat abstractor and projection lamp.

Background

Traditional projection lamp, because light source luminous power is great, the heat production increases thereupon, consequently generally need add the radiator on projection lamp and come the light source heat dissipation, in order to further improve the radiating effect, still can set up refrigeration subassembly on the radiator now, refrigeration subassembly generally has refrigeration end and heat-generating end, refrigeration end can absorb the heat, rethread heat-generating end release is with the heat transfer with outside air, still be provided with conventional heat radiation structure on the radiator simultaneously, the area through increase and air heat transfer realizes the radiating effect, and the radiator upwind flows unstably, carry thermal wind after the heat-generating end heat transfer with refrigeration subassembly and flow and probably blow to heat radiation structure on, lead to heat radiation structure radiating effect not good, the condition that exists the heat through heat radiation structure passback to the light source even.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a light source refrigeration heat abstractor rationally guides heat dissipation wind current direction, improves the radiating effect.

The utility model discloses still provide the projection lamp, heat abstractor rationally guides heat dissipation wind flow direction, improves the light source radiating effect for the light source operation is stable, and is more durable.

According to the utility model discloses a light source refrigeration heat abstractor of first aspect embodiment, include: the light source module comprises a base, a light source and a light source, wherein an external light source is arranged on the base; the refrigeration assembly is arranged on the base and comprises a refrigeration end and a heating end, and the refrigeration end of the refrigeration assembly can conduct heat with the base; the first heat dissipation structure is arranged on the base and can conduct heat with the base, an air flow channel can be formed by the first heat dissipation structure, and the heating end of the refrigeration assembly is arranged in the air flow channel; and the fan is arranged on the first heat dissipation structure and can drive external air flow to enter the air flow channel through the first heat dissipation structure.

According to the utility model discloses light source refrigeration heat abstractor has following beneficial effect at least:

the utility model discloses light source refrigeration heat abstractor, the heat that the light source operation produced can be conducted to the base on, refrigeration subassembly can take place the heat conduction with the base, thereby take away the heat on the base, and simultaneously, first heat radiation structure also takes place the heat conduction with the base, first heat radiation structure carries out the heat transfer with the air, also can take away the heat on the base, the fan operation, guide external wind current to get into the wind current passageway through first heat radiation structure earlier and discharge again, external wind current temperature is relatively lower, dispel the heat to first heat radiation structure earlier, enter into the wind current passageway again, the wind current is again to the end heat dissipation that generates heat of refrigeration subassembly, make refrigeration subassembly steady operation, make the reasonable outside flow of heat give off, thereby reach better radiating effect.

According to some embodiments of the present invention, the first heat radiation structure comprises a plurality of first heat radiation fins distributed around the refrigeration component and forming the air flow passage at the middle portion.

According to some embodiments of the utility model, the refrigeration subassembly includes refrigeration piece and second heat radiation structure, the front of refrigeration piece does the refrigeration end, the back of refrigeration piece does the heating end, the front of refrigeration piece with the base contact, the back of refrigeration piece with the second heat radiation structure contact, second heat radiation structure sets up in the wind channel.

According to some embodiments of the utility model, the second heat radiation structure includes the base plate and sets up polylith second radiating fin on the base plate, the back of refrigeration piece with the base plate contact.

According to some embodiments of the utility model, the second heat radiation structure with pedestal connection and the second heat radiation structure with form the centre gripping space between the base, the refrigeration piece sets up in the centre gripping space so that the front of refrigeration piece with the base contact and the back of refrigeration piece with the contact of second heat radiation structure.

According to some embodiments of the invention, the second heat radiation structure is detachably connected with the base.

According to some embodiments of the utility model, the second heat radiation structure with be provided with adjustment mechanism between the base, adjustment mechanism can adjust the second heat radiation structure with distance between the base.

According to some embodiments of the utility model, adjustment mechanism is including setting up first screw hole on the base, setting are in second screw hole and adjusting bolt on the second heat radiation structure, adjusting bolt passes the second screw hole with first screw hole is connected.

According to some embodiments of the invention, the external light source sets up the front of base, the refrigeration subassembly sets up the back of base and the refrigeration subassembly is located under the light source.

According to the utility model discloses projection lamp of second aspect embodiment includes: the light source and the light source refrigeration and heat dissipation device disclosed by any one of the above embodiments are arranged on the base.

According to the utility model discloses projection lamp has following beneficial effect at least:

the utility model discloses projection lamp, heat abstractor rationally guide heat dissipation wind current direction, improve the light source radiating effect for the light source operation is stable, and is more durable.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of one embodiment of the light source cooling device of the present invention;

FIG. 2 is a side cross-sectional view of one embodiment of the light source cooling heat sink of the present invention;

fig. 3 is a bottom view of one embodiment of the light source cooling device of the present invention.

Reference numerals:

the cooling structure comprises a base 100, a first heat dissipation structure 200, a first heat dissipation fin 210, a refrigeration assembly 300, a refrigeration sheet 310, a second heat dissipation structure 320, a base plate 321, a second heat dissipation fin 322, a fan 400, a light source 500, an air flow channel 600, a clamping space 700, an adjusting mechanism 800, a first threaded hole 810, a second threaded hole 820 and an adjusting bolt 830.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the orientation description, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, according to the utility model discloses a light source 500 refrigeration heat abstractor, which comprises a base 100, refrigeration subassembly 300, first heat radiation structure 200 and fan 400, set up outside light source 500 on the base 100, refrigeration subassembly 300 and first heat radiation structure 200 all set up on base 100, refrigeration subassembly 300 includes refrigeration end and heating end, refrigeration subassembly's refrigeration end can take place heat-conduction with base 100, first heat radiation structure 200 can take place heat-conduction with base 100, and first heat radiation structure 200 can form wind channel 600, refrigeration subassembly 300's the end that generates heat sets up in wind channel 600, fan 400 sets up on first heat radiation structure 200, fan 400 can drive external wind and flow through first heat radiation structure 200 entering wind channel 600.

The base 100 may be an additional metal plate or a circuit board provided with light sources 500 such as LED lamp beads. The first heat dissipation structure 200 may be connected to the base 100 by a screw, a buckle, or the like, or may be integrally disposed with the base 100.

The utility model discloses light source 500 refrigeration heat abstractor, the heat that light source 500 operation produced can be conducted to base 100 on, refrigeration subassembly 300 can take place heat-conduction with base 100, thereby take away the heat on the base 100, and simultaneously, heat-conduction also takes place with base 100 for first heat radiation structure 200, first heat radiation structure 200 carries out the heat transfer with the air, also can take away the heat on the base 100, fan 400 operation, guide external wind current earlier through first heat radiation structure 200 entering wind current channel 600 discharge again, external wind current temperature is lower relatively, dispel the heat to first heat radiation structure 200 earlier, reentrant wind current channel 600, the wind current is again to the end heat dissipation that generates heat of refrigeration subassembly 300, make refrigeration subassembly 300 steady operation, make the reasonable outside flow of heat give off, thereby reach better radiating effect.

In some embodiments of the utility model, first heat radiation structure 200 includes the first radiating fin 210 of polylith, the first radiating fin 210 of polylith distributes around refrigeration assembly 300 and forms wind channel 600 at the middle part, wherein, as shown in fig. 2, 3, external wind flows can enter into wind channel 600 through the clearance between the adjacent first radiating fin 210, through when wind flows through the clearance between the adjacent first radiating fin 210, can fully contact with first radiating fin 210's surface, reach the effect of heat transfer, and center on the setting through a radiating fin, form wind channel 600, make wind flow orderly, accelerate the heat to scatter and disappear, improve heat exchange efficiency.

The utility model discloses a some embodiments, refrigeration subassembly 300 includes refrigeration piece 310 and second heat radiation structure 320, and the front of refrigeration piece 310 is the refrigeration end, and the back of refrigeration piece 310 is the end of generating heat, and specifically, refrigeration piece 310 can be the semiconductor refrigeration piece, and the front and the base 100 contact of refrigeration piece 310, the back and the second heat radiation structure 320 contact of refrigeration piece 310, and second heat radiation structure 320 sets up in wind channel 600.

The semiconductor refrigerating sheet utilizes the Peltier effect of semiconductor materials, when direct current passes through a couple formed by connecting two different semiconductor materials in series, heat can be absorbed and released at two ends of the couple respectively, and the aim of refrigeration can be achieved.

The refrigeration end of semiconductor refrigeration piece absorbs the heat on the base 100 to through the end release that generates heat, under the electricity effect of driving, the end that generates heat of semiconductor refrigeration piece sends the temperature for the temperature behind the first heat radiation structure 200 heat transfer of distinguished and admirable, consequently, the heat still can transmit in the wind current, and the heat in the heat generation end of semiconductor refrigeration piece can be taken away to continuous wind current, makes semiconductor refrigeration piece steady operation.

In some embodiments of the present invention, the second heat dissipation structure 320 includes a base plate 321 and a plurality of second heat dissipation fins 322 disposed on the base plate 321, and the back surface of the cooling fin 310 contacts the base plate 321.

The heating end of the semiconductor refrigeration piece is in contact with the base plate 321, heat is conducted to the base plate 321 and the second radiating fins 322, the second radiating fins 322 are located in the air flow channel 600, and air flow can pass through the second radiating fins 322, so that heat of the heating end of the semiconductor refrigeration piece is taken away.

In some embodiments of the present invention, the second heat dissipation structure 320 is connected to the base 100 and forms a clamping space 700 between the second heat dissipation structure 320 and the base 100, and the refrigeration sheet 310 is disposed in the clamping space 700 such that the front surface of the refrigeration sheet 310 contacts the base 100 and the back surface of the refrigeration sheet 310 contacts the second heat dissipation structure 320.

As shown in fig. 2, the external light source 500 is disposed at the front of the base 100, the cooling module 300 is disposed at the rear of the base 100 and the cooling module 300 is positioned directly below the light source 500.

Specifically, the wall surface (e.g., the substrate 321) of the second heat dissipation structure 320 carries the refrigeration sheet 310 on the back surface of the base 100, and the substrate 321 and the base 100 are pressed against each other on the refrigeration sheet 310 to limit the position of the refrigeration sheet 310.

The utility model discloses an in some embodiments, second heat radiation structure 320 and base 100 detachably are connected, and second heat radiation structure 320 and base 100 can pass through structural connection such as buckle, screw to after refrigeration piece 310 is ageing or damages, can dismantle second heat radiation structure 320 in order to open centre gripping space 700, change refrigeration piece 310.

Because the refrigeration piece 310 of different models is the equidimension difference such as thickness, in some embodiments of the utility model, be provided with adjustment mechanism 800 between second heat radiation structure 320 and the base 100, adjustment mechanism 800 can adjust the distance between second heat radiation structure 320 and the base 100.

In some embodiments of the present invention, the adjusting mechanism 800 includes a first threaded hole 810 disposed on the base 100, a second threaded hole 820 disposed on the second heat dissipating structure 320, and an adjusting bolt 830, and the adjusting bolt 830 passes through the second threaded hole 820 and is connected to the first threaded hole 810.

The utility model discloses a some embodiments, adjustment mechanism 800 can also be the stand, from last screw hole, the screw of setting on the stand down, and the stand setting is on base 100, and base plate 321 can be placed on the screw, and the screw is connected with the not screw hole of co-altitude to adjust the distance of base plate 321 and base 100.

According to the utility model discloses projection lamp of second aspect embodiment includes: the light source 500 and the cooling and heat dissipating device of the light source 500 disclosed in any of the above embodiments, the light source 500 is disposed on the base 100.

The utility model discloses projection lamp, heat abstractor rationally guide heat dissipation wind flow direction, improve the radiating effect to light source 500 for light source 500 moves stably, and is more durable.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A light source cooling and heat dissipating device, comprising:

the light source module comprises a base, a light source and a light source, wherein an external light source is arranged on the base;

the refrigeration assembly is arranged on the base and comprises a refrigeration end and a heating end, and the refrigeration end of the refrigeration assembly can conduct heat with the base; the first heat dissipation structure is arranged on the base and can conduct heat with the base, an air flow channel can be formed by the first heat dissipation structure, and the heating end of the refrigeration assembly is arranged in the air flow channel;

and the fan is arranged on the first heat dissipation structure and can drive external air flow to enter the air flow channel through the first heat dissipation structure.

2. The light source cooling and heat dissipating device of claim 1, wherein: the first heat dissipation structure comprises a plurality of first heat dissipation fins which are distributed around the refrigeration assembly and form the air flow channel in the middle.

3. The light source cooling and heat dissipating device of claim 1, wherein: the refrigeration assembly comprises a refrigeration piece and a second heat dissipation structure, the front side of the refrigeration piece is the refrigeration end, the back side of the refrigeration piece is the heating end, the front side of the refrigeration piece is in contact with the base, the back side of the refrigeration piece is in contact with the second heat dissipation structure, and the second heat dissipation structure is arranged in the air flow channel.

4. A light source cooling heat sink as recited in claim 3 wherein: the second heat dissipation structure comprises a substrate and a plurality of second heat dissipation fins arranged on the substrate, and the back surface of the refrigeration piece is in contact with the substrate.

5. A light source cooling heat sink as recited in claim 3 wherein: the second heat dissipation structure is connected with the base and forms a clamping space between the second heat dissipation structure and the base, and the refrigeration sheet is arranged in the clamping space so that the front surface of the refrigeration sheet is in contact with the base and the back surface of the refrigeration sheet is in contact with the second heat dissipation structure.

6. The light source cooling and heat dissipating device of claim 5, wherein: the second heat dissipation structure is detachably connected with the base.

7. The light source cooling and heat dissipating device of claim 5, wherein: an adjusting mechanism is arranged between the second heat dissipation structure and the base, and the adjusting mechanism can adjust the distance between the second heat dissipation structure and the base.

8. The light source cooling and heat dissipating device of claim 7, wherein: the adjusting mechanism comprises a first threaded hole arranged on the base, a second threaded hole arranged on the second heat dissipation structure and an adjusting bolt, and the adjusting bolt penetrates through the second threaded hole to be connected with the first threaded hole.

9. The light source cooling and heat dissipating device of claim 1, wherein: an external light source is disposed on the front side of the base, the refrigeration assembly is disposed on the back side of the base and the refrigeration assembly is located directly below the light source.

10. A projection lamp, comprising: a light source and a light source cooling heat sink as claimed in any one of claims 1 to 9, said light source being disposed on said base.