CN108224123B - High-efficient heat dissipation type LED lamp - Google Patents
High-efficient heat dissipation type LED lamp Download PDFInfo
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- CN108224123B CN108224123B CN201711482934.3A CN201711482934A CN108224123B CN 108224123 B CN108224123 B CN 108224123B CN 201711482934 A CN201711482934 A CN 201711482934A CN 108224123 B CN108224123 B CN 108224123B
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- Prior art keywords
- lamp
- heat dissipation
- cooling block
- circuit board
- led lamp
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
- F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a high-efficiency heat dissipation type LED lamp, which comprises a lamp body assembly and a heat dissipation device, wherein the lamp body assembly comprises a screw port, a circuit board, a lamp shell and a lamp tube, the circuit board is arranged on the lower surface of the screw port, the circuit board is fixedly connected with the screw port, the lamp shell is arranged below the circuit board, the lamp shell is fixedly connected with the circuit board, the lamp tube is arranged below the lamp shell, the lamp tube is fixedly connected with the lamp shell, the heat dissipation device comprises a cooling block and a silent fan, and the cooling block is positioned in an inner cavity of the lamp shell; the lamp body is internally provided with the cooling block, the round hole is formed in the cooling block and corresponds to the upper end of the lamp tube, the silent fan is arranged above the cooling block, so that the cooling block can be directly contacted with the heat in the lamp tube, the first step of cooling is carried out, and the heat in the lamp tube can be sucked out under the suction force of the silent fan, so that the second step of cooling is carried out.
Description
Technical Field
The invention belongs to the technical field of LED lamps, and particularly relates to a high-efficiency heat-dissipation type LED lamp.
Background
The LED lamp is an electroluminescent semiconductor material chip, silver glue or white glue is solidified on the support, then the chip and the circuit board are connected through silver wires or gold wires, the periphery of the chip and the circuit board is sealed through epoxy resin, the effect of protecting an internal core wire is achieved, and finally the shell is installed, so that the anti-seismic performance of the LED lamp is good.
Although the LED lamp is energy-saving and long in service life, in the using process, due to the fact that the thermal capacity of an LED chip is small, the junction temperature of the chip is rapidly increased due to little heat accumulation, if the LED lamp is in a working state for a long time, heat dissipation cannot be well solved, the service life of the LED lamp is shortened, the existing heat dissipation method needs a plurality of ways, specifically, heat generated by the LED chip is discharged from a metal heat dissipation block of the LED chip, firstly passes through a PCB of a welding plate, and then reaches an aluminum heat radiator through heat conduction glue, and the LED lamp is not only complex, but also does not achieve ideal heat dissipation effect.
Disclosure of Invention
The invention aims to provide an efficient heat dissipation type LED lamp, which aims to solve the problems that although the LED lamp provided by the background technology is energy-saving and long in service life, in the using process, the thermal capacity of an LED chip is very small, the junction temperature of the chip is rapidly increased due to the accumulation of a little heat, and if the LED chip is in a working state for a long time, the heat dissipation cannot be well solved, so that the service life of the LED lamp is shortened.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high-efficient heat dissipation type LED lamp, includes lamp body subassembly and heat abstractor, lamp body subassembly includes screw thread, circuit board, lamp body and fluorescent tube, the screw thread lower surface is provided with the circuit board, the circuit board with screw thread fixed connection, the circuit board below is provided with the lamp body, the lamp body with circuit board fixed connection, the lamp body below is provided with the fluorescent tube, the fluorescent tube with lamp body fixed connection, heat abstractor includes cooling block and noiseless fan, the cooling block is located the lamp body inner chamber, and with lamp body inner chamber wall fixed connection, cooling block top is provided with noiseless fan, noiseless fan with lamp body inner chamber wall fixed connection, noiseless fan with circuit board electric connection.
Preferably, the lower end of the lamp housing is provided with a heat dissipation window, the outer surface wall of the lamp housing is provided with an air inlet, and the heat dissipation window is positioned below the cooling block.
Preferably, the inner cavity of the lamp tube is provided with a chip, the chip is fixedly connected with the lower surface of the lamp housing, the outer surface wall of the chip is provided with an LED lamp, and the LED lamp is fixedly connected with the outer surface wall of the chip.
Preferably, the middle position of the cooling block is provided with a round hole, and the round holes respectively correspond to the upper ends of the lamp tubes.
Preferably, an air pipe is arranged at the upper end of the silent fan, one end of the air pipe is fixedly connected with the silent fan, and the other end of the air pipe penetrates through the outer wall of the lamp shell.
Compared with the prior art, the invention has the beneficial effects that: the cooling block is installed in the lamp shell, the round hole is formed in the cooling block, the round hole corresponds to the upper end of the lamp tube, the silent fan is installed above the cooling block, the cooling block can be in direct contact with heat in the lamp tube, the first step of cooling is carried out, the heat in the lamp tube can be sucked out under the suction force of the silent fan, the cooling block is discharged from the air pipe, new air can be injected into the lamp tube through the air inlet, the second step of cooling is carried out, and the LED lamp can be in a working state for a long time through the cooling method.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an isochell structure according to the present invention;
FIG. 3 is a schematic view of the cooling block structure of the present invention;
in the figure: 10-lamp body component, 11-screw, 12-circuit board, 13-lamp shell, 131-heat dissipation window, 132-air inlet, 14-lamp tube, 141-chip, 142-LED lamp, 20-heat dissipation device, 21-cooling block, 211-round hole, 22-silent fan and 221-air pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high-efficient heat dissipation type LED lamp, including lamp body subassembly 10 and heat abstractor 20, lamp body subassembly 10 includes screw 11, circuit board 12, lamp body 13 and fluorescent tube 14, screw 11 lower surface is provided with circuit board 12, circuit board 12 and screw 11 fixed connection, circuit board 12 below is provided with lamp body 13, lamp body 13 and circuit board 12 fixed connection, lamp body 13 below is provided with fluorescent tube 14, fluorescent tube 14 and lamp body 13 fixed connection, heat abstractor 20 includes cooling block 21 and noiseless fan 22, cooling block 21 is located lamp body 13 inner chamber to with lamp body 13 inner chamber wall fixed connection, cooling block 21 top is provided with noiseless fan 22, noiseless fan 22 and lamp body 13 inner chamber wall fixed connection, noiseless fan 22 and circuit board 12 electric connection.
In this embodiment, a cooling block 21 is fixed in the cavity of the lamp housing 13 so that the cooling block 21 can directly contact with the heat in the lamp 14 to cool the lamp, and a silent fan 22 is provided above the cooling block 21 so that the silent fan 22 can suck the heat in the lamp 14 to further cool the lamp.
Further, the lower end of the lamp housing 13 is provided with a heat dissipation window 131, the outer wall is provided with an air inlet 132, and the heat dissipation window 131 is located below the cooling block 21.
In this embodiment, the lower end of the lamp housing 13 is provided with a heat dissipating window 131, the outer wall is provided with an air inlet 132, and the heat dissipating window 131 is located below the cooling block 21, so that the lamp 14 can be filled with new air.
Further, a chip 141 is arranged in the inner cavity of the lamp tube 14, the chip 141 is fixedly connected with the lower surface of the lamp housing 13, an LED lamp 142 is arranged on the outer surface wall of the chip 141, and the LED lamp 142 is fixedly connected with the outer surface wall of the chip 141.
In this embodiment, the chip 141 is disposed in the inner cavity of the lamp tube 14, the chip 141 is fixedly connected to the lower surface of the lamp housing 13, the LED lamp 142 is disposed on the outer surface wall of the chip 141, and the LED lamp 142 is fixedly connected to the outer surface wall of the chip 141, so that the chip 141 and the LED lamp 142 can be protected by the lamp tube 14.
Furthermore, the middle of the cooling block 21 is provided with a circular hole 211, and the circular holes 211 correspond to the upper ends of the lamps 14 respectively.
In this embodiment, the middle of the cooling block 21 is provided with a circular hole 211, and the circular holes 211 correspond to the upper ends of the lamps 14, so that the cooling block 21 can not only cool the heat, but also the chip 141 is not hindered from contacting the power supply by the cooling block 21.
Furthermore, an air pipe 221 is disposed at the upper end of the silent fan 22, one end of the air pipe 221 is fixedly connected with the silent fan 22, and the other end penetrates through the outer wall of the lamp housing 13.
In this embodiment, the upper end of the silent fan 22 is provided with an air pipe 221, one end of the air pipe 221 is fixedly connected with the silent fan 22, and the other end of the air pipe 221 penetrates through the outer wall of the lamp housing 13, so that the silent fan 22 can discharge the sucked hot air through the air pipe 221.
The working principle and the using process of the invention are as follows: after the LED lamp is installed, the screw 11 of the LED lamp is powered on, the circuit board 12 sends power to the silent fan 22 to enable the silent fan 22 to start working, the circuit board 12 also sends power to the chip 141 to enable the LED lamp 142 on the chip 141 to start working, the LED lamp 142 and the chip 141 are protected by the lamp tube 14, when the chip 141 works, heat is dissipated, the heat is discharged through the round hole of the cooling block 21 and is primarily cooled by the cooling block 21, the oil heat dissipation window 131 is arranged below the cooling block 21, the heat is also discharged through the heat dissipation window 131, the silent fan 22 is arranged above the cooling block 21, the heat which is not cooled and discharged is also sucked out through the suction force of the silent fan 22, the sucked heat is discharged through the air tube 221, and the air inlet 132 injects new air into the lamp tube 14.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a high-efficient heat dissipation type LED lamp which characterized in that: the LED lamp comprises a lamp body assembly (10) and a heat dissipation device (20), wherein the lamp body assembly (10) comprises a screw (11), a circuit board (12), a lamp shell (13) and a lamp tube (14), the circuit board (12) is arranged on the lower surface of the screw (11), the circuit board (12) is fixedly connected with the screw (11), the lamp shell (13) is arranged below the circuit board (12), the lamp tube (14) is arranged below the lamp shell (13), the lamp tube (14) is fixedly connected with the lamp shell (13), the heat dissipation device (20) comprises a cooling block (21) and a silent fan (22), the cooling block (21) is located in an inner cavity of the lamp shell (13) and is fixedly connected with the inner cavity wall of the lamp shell (13), the silent fan (22) is arranged above the cooling block (21), noiseless fan (22) with lamp body (13) inner chamber wall fixed connection, noiseless fan (22) with circuit board (12) electric connection, fluorescent tube (14) inner chamber is provided with chip (141), chip (141) with lamp body (13) lower surface fixed connection, chip (141) outward appearance wall is provided with LED lamp (142), LED lamp (142) with chip (141) outward appearance wall fixed connection.
2. The efficient heat dissipation type LED lamp as recited in claim 1, wherein: the lower end of the lamp shell (13) is provided with a heat dissipation window (131), the outer wall of the lamp shell is provided with an air inlet (132), and the heat dissipation window (131) is located below the cooling block (21).
3. The efficient heat dissipation type LED lamp as recited in claim 1, wherein: round holes (211) are formed in the middle of the cooling block (21), and the round holes (211) correspond to the upper ends of the lamp tubes (14) respectively.
4. The efficient heat dissipation type LED lamp as recited in claim 1, wherein: an air pipe (221) is arranged at the upper end of the silent fan (22), one end of the air pipe (221) is fixedly connected with the silent fan (22), and the other end of the air pipe penetrates through the outer wall of the lamp shell (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482934.3A CN108224123B (en) | 2017-12-29 | 2017-12-29 | High-efficient heat dissipation type LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482934.3A CN108224123B (en) | 2017-12-29 | 2017-12-29 | High-efficient heat dissipation type LED lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108224123A CN108224123A (en) | 2018-06-29 |
| CN108224123B true CN108224123B (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711482934.3A Active CN108224123B (en) | 2017-12-29 | 2017-12-29 | High-efficient heat dissipation type LED lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN108224123B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11287103B2 (en) | 2019-04-22 | 2022-03-29 | Ism Lighting, Llc. | Low wattage balloon work light |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202733538U (en) * | 2012-07-19 | 2013-02-13 | 佛山市华全电气照明有限公司 | Light-emitting diode (LED) lamp with high power |
| CN206669379U (en) * | 2017-04-01 | 2017-11-24 | 镇江恒泽光电有限公司 | A kind of LED bulb with heat sinking function |
-
2017
- 2017-12-29 CN CN201711482934.3A patent/CN108224123B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202733538U (en) * | 2012-07-19 | 2013-02-13 | 佛山市华全电气照明有限公司 | Light-emitting diode (LED) lamp with high power |
| CN206669379U (en) * | 2017-04-01 | 2017-11-24 | 镇江恒泽光电有限公司 | A kind of LED bulb with heat sinking function |
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| Publication number | Publication date |
|---|---|
| CN108224123A (en) | 2018-06-29 |
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