CN212929615U - Lamp area that heat dissipation function is good - Google Patents
Lamp area that heat dissipation function is good Download PDFInfo
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- CN212929615U CN212929615U CN202021772646.9U CN202021772646U CN212929615U CN 212929615 U CN212929615 U CN 212929615U CN 202021772646 U CN202021772646 U CN 202021772646U CN 212929615 U CN212929615 U CN 212929615U
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- heat dissipation
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Abstract
The utility model relates to a lighting apparatus technical field discloses a lamp area that heat dissipation function is good, which comprises a circuit board, the heat exchanger that dispels the heat, a plurality of lamp pearls and a plurality of heat abstractor, a plurality of lamp pearls set up the top at the circuit board with evenly spaced, be equipped with the heat-conducting layer between lamp pearl and the circuit board, be equipped with a plurality of conducting strips in the heat-conducting layer, a plurality of conducting strips are located the lamp pearl under, the top at the circuit board is established to the heat exchanger that dispels the heat cover, be equipped with on the heat exchanger with a plurality of lamp pearl assorted lamp pearl grooves, the inside of heat exchanger that dispels the heat is equipped with the heat dissipation cavity, be equipped with the coolant liquid in the heat dissipation cavity, a plurality of heat abstractor set up in the bottom of circuit board and corresponding with a plurality of lamp pearls evenly spaced. It is visible, the utility model discloses a radiating efficiency is high, and the radiating effect is good, long service life.
Description
Technical Field
The utility model relates to a lighting apparatus technical field especially relates to a lamp area that heat dissipation function is good.
Background
With the rapid development of lighting technology, the flexible lamp strip has been widely applied to the fields of home decoration lighting, commercial lighting, urban landscape lighting and the like as an energy-saving, efficient, environment-friendly and intelligent lighting product.
However, the heat accumulation of the lamp strip is fast, the heat dissipation is slow, the burning loss of the lamp beads is easily caused, and the use is influenced, so that whether the lamp strip works stably or not, the quality is good or bad, and the lamp strip heat dissipation is closely related to the lamp strip.
At present, natural heat dissipation is often adopted for heat dissipation of lamp belts in the market, and the effect is not ideal; for example, the theoretical service life of the lamp strip is 10 ten thousand hours, but the actual service life is usually less than 2 ten thousand hours or even less than 1 ten thousand hours due to poor heat dissipation effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a lamp area that the heat dissipation function is good is provided, and its radiating efficiency is high, and the radiating effect is good, long service life.
In order to solve the technical problem, the utility model provides a lamp strip with good heat dissipation function, which comprises a circuit board, a heat dissipation cover, a plurality of lamp beads and a plurality of heat dissipation devices, wherein the plurality of lamp beads are uniformly arranged at the top of the circuit board at intervals, a heat conduction layer is arranged between the lamp beads and the circuit board, a plurality of heat conduction sheets are arranged in the heat conduction layer and are positioned under the lamp beads, the heat dissipation cover is arranged at the top of the circuit board, lamp bead grooves matched with the plurality of lamp beads are arranged on the heat dissipation cover, a heat dissipation cavity is arranged in the heat dissipation cover, cooling liquid is arranged in the heat dissipation cavity, the plurality of heat dissipation devices are uniformly arranged at the bottom of the circuit board at intervals and correspond to the plurality of lamp beads, the heat dissipation devices comprise a heat dissipation body and a plurality of heat dissipation sheets which are annularly arranged around the heat dissipation body, the interior of the heat radiation body is annularly provided with a heat radiation groove.
As the utility model discloses preferred scheme, the lamp pearl is 18V lamp pearl.
As the preferred scheme of the utility model, the heat exchanger that looses is connected with the temperature controller who is used for controlling the coolant liquid velocity of flow.
As the utility model discloses preferred scheme, the middle part of radiator is equipped with the louvre, the louvre intussuseption is filled with the radiating agent.
In a preferred embodiment of the present invention, the heat dissipation fins are plate-shaped, barbed, or wing-shaped.
As the utility model discloses preferred scheme, be equipped with a plurality of heat dissipation lugs on the fin, the heat dissipation lug is hollow structure, be equipped with a plurality of heat dissipation through-holes on the heat dissipation lug.
As the preferred scheme of the utility model, heat dissipation crystalline grain, or heat dissipation particle, or heat dissipation granule are filled in the heat dissipation recess.
As the preferred scheme of the utility model, be equipped with the heat dissipation coating on the fin.
As the preferred scheme of the utility model, the material of fin is graphite aluminum alloy.
As the preferred scheme of the utility model, the conducting strip includes heat dissipation layer and protective layer.
Implement the utility model discloses a lamp area that heat dissipation function is good compares with prior art, has following beneficial effect:
the utility model, through the design of the heat conducting layer, the heat emitted by the lamp beads flows to a uniform state in the heat conducting layer, thereby effectively preventing the heat on the circuit board from being uneven and avoiding the influence on the operation of the circuit board caused by the local overhigh heat on the circuit board; through heat abstractor's design, can in time give off the heat of lamp pearl and circuit board to the external environment, in time reduce the heat of circuit board to can make the radiating efficiency in lamp area high, the radiating effect is good, prolongs the life in lamp area.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic structural view of a lamp strip with a good heat dissipation function provided by the present invention;
fig. 2 is a schematic structural diagram of the heat dissipation device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate the orientation or positional relationship, are used in the present invention as being based on the orientation or positional relationship shown in the drawings, and are used only for convenience of description and simplification of the description, and do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and 2, a preferred embodiment of the present invention is a lamp strip with good heat dissipation function, including a circuit board 1, a heat dissipation cover 2, a plurality of lamp beads 3 and a plurality of heat dissipation devices 4, wherein the plurality of lamp beads 3 are uniformly arranged at the top of the circuit board 1 at intervals, a heat conduction layer 5 is arranged between the lamp beads 3 and the circuit board 1, a plurality of heat conduction fins 6 are arranged in the heat conduction layer 5, the plurality of heat conduction fins 6 are positioned under the lamp beads 3, the heat dissipation cover 2 is covered at the top of the circuit board 1, a lamp bead 3 groove matched with the plurality of lamp beads 3 is arranged on the heat dissipation cover 2, a heat dissipation cavity is arranged inside the heat dissipation cover 2, a cooling liquid is arranged in the heat dissipation cavity, the plurality of heat dissipation devices 4 are uniformly arranged at the bottom of the circuit board 1 at intervals and correspond to the plurality of lamp beads 3, the heat dissipation devices 4 include a heat dissipation body 41 and a plurality of heat dissipation, the plurality of heat dissipation fins 42 are annularly arranged around the heat dissipation body 41, and a heat dissipation groove 43 is annularly arranged inside the heat dissipation body 41. Specifically, the shape of the heat dissipation member 41 is a cylinder, a cone, a truncated cone, a cube, or a cuboid.
Therefore, the utility model, through the design of the heat conducting layer 5, the heat emitted by the lamp beads 3 flows to a uniform state in the heat conducting layer 5, so as to effectively prevent the heat on the circuit board 1 from being uneven, and avoid the influence of the local overhigh heat on the circuit board 1 on the operation of the circuit board 1; through the design of heat abstractor 4, can in time give off the heat of lamp pearl 3 and circuit board 1 to external environment, in time reduce circuit board 1's heat to can make the radiating effect in lamp area good, the radiating efficiency is high, prolongs the life in lamp area.
Illustratively, the lamp bead 3 is an 18V lamp bead; from this, under the same and the same condition of input voltage of 3 intervals of lamp pearl, the length that lamp area can be cut out is shorter (can reach 25cm), for example: the long lamp area of 1m can be tailor into the long lamp strip of four sections 25cm, and the less condition of length of specially adapted installation space, and it is thus obvious that LED lamp area can realize the short distance and tailor, and luminous efficiency is high, and the practicality is strong.
The lamp beads 3 are arranged in a single row, so that energy is saved, and the environment is protected; or, the lamp beads 3 are arranged in double rows, and the illumination brightness is high.
Illustratively, a temperature controller for controlling the flow speed of the cooling liquid is connected to the heat dissipation cover 2. Such design can be according to setting for the flow velocity of passing through temperature controller control coolant liquid, and when the flow velocity of coolant liquid was fast, radiating efficiency of heat exchanger 2 was high, otherwise, consequently can be better to the heat that lamp pearl 3 gived off carry out heat dissipation with controlling ground.
Illustratively, a heat dissipation hole 44 is formed in the middle of the heat dissipation body 41, and a heat dissipation agent is filled in the heat dissipation hole 44. Specifically, the heat radiating agent is heavy water, or heat conducting oil, or heat conducting silicone grease; the heat dissipation effect of the heavy water is improved by 10 to 15 percent compared with that of the common water. Because the heat dissipating agent is a non-solid substance, the heat dissipating agent can flow after being heated, thereby taking away the heat of the heat source and further improving the heat dissipating efficiency of the heat dissipating device 4.
Illustratively, the fins 42 are plate-shaped, or barbed, or airfoil-shaped; therefore, the heat dissipation fins 42 with different shapes are selected according to the specific shapes, and the heat dissipation fins 42 with the shapes can achieve better heat dissipation effect and higher heat dissipation efficiency of the heat dissipation fins 42.
Illustratively, a plurality of heat dissipation bumps 45 are arranged on the heat dissipation plate 42, the heat dissipation bumps 45 are hollow structures, and a plurality of heat dissipation through holes are arranged on the heat dissipation bumps 45. With such a design, the contact area between the heat sink 42 and the external environment can be increased, so that the heat on the heat sink 42 can be more rapidly conducted from the heat dissipation bumps 45 to the external environment, and the heat dissipation efficiency of the heat sink 42 is improved; because the temperature of the air inside the heat dissipation bump 45 is higher than that of the air outside the heat dissipation bump 45, the air is heated unevenly, the air with higher temperature inside the heat dissipation bump 45 expands and rises, and the air with lower temperature outside the heat dissipation bump 45 is filled into the heat dissipation bump 45 through the heat dissipation through hole, so that local air convection is formed; in addition, in the process that the air with lower temperature outside the heat dissipation bump 45 is filled into the heat dissipation bump 45 through the heat dissipation through hole, the air around each heat dissipation fin 42 is driven to flow, the heat dissipation efficiency of each heat dissipation fin 42 is increased, and therefore the heat dissipation efficiency of the heat dissipation bump 45 is improved as a whole.
For example, the heat dissipation groove 43 is filled with heat dissipation grains, heat dissipation particles, or heat dissipation particles; therefore, the heat dissipation efficiency can be further improved, and the heat dissipation effect is better.
Illustratively, the heat sink 42 is provided with a heat dissipating coating. Specifically, the heat dissipation coating is provided with a heat dissipation coating which is a special material, and the details are not repeated herein because the heat dissipation coating is a conventional product and technology. By providing the heat dissipation coating on the heat dissipation fins 42, the heat dissipation efficiency of the surface of the heat dissipation fins 42 is improved, thereby improving the heat dissipation efficiency of the heat dissipation fins 42.
Illustratively, the material of the heat sink 42 is graphite aluminum alloy. Specifically, the heat sink 42 comprises the following components in parts by weight: si: 17 parts, Cu: 11 parts of Ti: 13 parts of Mg: 6 parts, Ai: 55 parts, C: 30 parts, Ni: 30 parts of. The aluminum alloy graphite composed of the above components has excellent thermal conductivity and metal plasticity, and can effectively conduct heat from the circuit board 1 and the heat radiator 41 to the surrounding environment.
Illustratively, the heat conductive sheet 6 includes a heat dissipation layer and a protective layer. Specifically, the heat dissipation layer comprises the following components in parts by weight: 35 parts of graphene, 13 parts of Ti2SiC, 0.7 part of iron, 0.5 part of magnesium, 0.1 part of titanium and 0.3 part of chromium; the protective layer comprises the following components in parts by weight: 35 parts of aluminum, 13 parts of polyformaldehyde, 7 parts of polybenzimidazole fiber, 2 parts of silane coupling agent, 3 parts of antioxidant, 0.5 part of calcium hexaboride and 0.3 part of chromium. Due to the design, the graphene has very good heat conduction performance, the heat conductivity coefficient of pure defect-free single-layer graphene is as high as 5300W/mK, and the graphene is a carbon material with the highest heat conductivity coefficient so far and is higher than that of a single-wall carbon nanotube (3500W/mK) and a multi-wall carbon nanotube (3000W/mK); the thermal conductivity range of the Ti2SiC is 12-60W/(K.m), the thermal conductivity is high, and the heat dissipation, heat resistance, oxidation resistance and corrosion resistance of the Ti2SiC are improved by adding the Ti2 SiC; when the silane coupling agent is mixed with polybenzimidazole fiber and calcium hexaboride, the silane coupling agent can generate copolymerization reaction with polyformaldehyde under a high-temperature condition to form a heat dissipation channel, so that the heat dissipation performance is improved, and the silane coupling agent is lighter than an empty structure; in addition, due to the addition of the polybenzimidazole fiber, the high-temperature resistance and the corrosion resistance of the polybenzimidazole fiber are better; the polybenzimidazole fiber has extremely excellent mechanical properties, heat resistance and mechanical strength.
Illustratively, the circuit board 1 is a flexible circuit board. That is, the flexible wiring board is a printed circuit made using a flexible insulating base material. Because it can freely bend, roll and fold, is particularly suitable for the requirement of illumination in daily life, improves the practicality.
In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., 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.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (10)
1. A lamp belt with good heat dissipation function is characterized by comprising a circuit board, a heat dissipation cover, a plurality of lamp beads and a plurality of heat dissipation devices, wherein the plurality of lamp beads are uniformly arranged at the top of the circuit board at intervals, a heat conduction layer is arranged between the lamp beads and the circuit board, a plurality of heat conduction sheets are arranged in the heat conduction layer and are positioned right below the lamp beads, the heat dissipation cover is covered on the top of the circuit board, the heat dissipation cover is provided with a lamp bead groove matched with the plurality of lamp beads, a heat dissipation cavity is arranged in the heat dissipation cover, cooling liquid is arranged in the heat dissipation cavity, a plurality of heat dissipation devices are uniformly arranged at the bottom of the circuit board at intervals and correspond to the plurality of lamp beads, the heat dissipation device comprises a heat dissipation body and a plurality of heat dissipation sheets, the heat dissipation sheets are annularly arranged on the periphery of the heat dissipation body, and a heat dissipation groove is annularly arranged inside the heat dissipation body.
2. A light strip with good heat dissipation function according to claim 1, wherein the light beads are 18V light beads.
3. A light strip with good heat dissipation function according to claim 1, wherein a temperature controller for controlling the flow speed of the cooling liquid is connected to the heat dissipation cover.
4. A light strip with good heat dissipation function as claimed in claim 1, wherein a heat dissipation hole is formed in the middle of the heat dissipation body, and a heat dissipation agent is filled in the heat dissipation hole.
5. A light strip with good heat dissipation function according to claim 1, wherein said heat sink is plate-shaped, barbed, or wing-shaped.
6. A light strip with good heat dissipation function as claimed in claim 1, wherein a plurality of heat dissipation protrusions are disposed on the heat dissipation plate, the heat dissipation protrusions are hollow structures, and a plurality of heat dissipation through holes are disposed on the heat dissipation protrusions.
7. A light strip with good heat dissipation function according to claim 1, wherein the heat dissipation groove is filled with heat dissipation grains, heat dissipation particles or heat dissipation particles.
8. A light strip with good heat dissipation function as claimed in claim 1, wherein a heat dissipation coating is disposed on the heat sink.
9. A light strip with good heat dissipation function as claimed in claim 1, wherein the heat sink is made of graphite aluminum alloy.
10. A light strip with good heat dissipation function as claimed in claim 1, wherein the heat conducting sheet comprises a heat dissipation layer and a protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772646.9U CN212929615U (en) | 2020-08-21 | 2020-08-21 | Lamp area that heat dissipation function is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772646.9U CN212929615U (en) | 2020-08-21 | 2020-08-21 | Lamp area that heat dissipation function is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212929615U true CN212929615U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021772646.9U Active CN212929615U (en) | 2020-08-21 | 2020-08-21 | Lamp area that heat dissipation function is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212929615U (en) |
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2020
- 2020-08-21 CN CN202021772646.9U patent/CN212929615U/en active Active
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