CN112178501A - Heat dissipation type LED lamp based on magnetofluid motion - Google Patents

Heat dissipation type LED lamp based on magnetofluid motion Download PDF

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Publication number
CN112178501A
CN112178501A CN202011041977.XA CN202011041977A CN112178501A CN 112178501 A CN112178501 A CN 112178501A CN 202011041977 A CN202011041977 A CN 202011041977A CN 112178501 A CN112178501 A CN 112178501A
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China
Prior art keywords
heat dissipation
fixed
shell
wall
buffer
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CN202011041977.XA
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CN112178501B (en
Inventor
周双燕
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Jiangxi Wanglai Technology Co.,Ltd.
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周双燕
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/04—Resilient mountings, e.g. shock absorbers 
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • F21V29/56—Cooling arrangements using liquid coolants
    • F21V29/59—Cooling arrangements using liquid coolants with forced flow of the coolant
    • 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
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • 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)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention discloses a heat dissipation type LED lamp based on magnetofluid movement, which comprises a shell, wherein a fixed plate is fixed on the inner wall of the shell, a lamp tube is fixed at the bottom of the fixed plate, a lampshade is connected to the side wall of the shell in a threaded manner, a heat dissipation box is fixed at the upper end of the fixed plate, an electromagnet is fixed at the top of the heat dissipation box, two buffer cavities which are symmetrically arranged are formed in the heat dissipation box, a buffer mechanism is arranged in each buffer cavity, and a heat dissipation cover is fixed at the top of the shell. Has the advantages that: in the process that the magnetic fluid is attracted by magnetic force and moves upwards rapidly, the magnetic fluid collides with the rotating plate, so that the driving rotating plate is driven to drive the rotating shaft to rotate, the rotating blade outside the heat dissipation box is driven to rotate, the rotating blade drives the air flow inside the shell to flow, high-temperature gas inside the shell is rapidly exchanged with external gas, heat exchange is completed, temperature gathering is avoided, and the lamp tube works effectively and safely.

Description

Heat dissipation type LED lamp based on magnetofluid motion
Technical Field
The invention relates to the technical field of LED lamps, in particular to a heat dissipation type LED lamp based on magnetofluid motion.
Background
An LED, i.e., a light emitting diode, is a solid-state semiconductor device capable of converting electrical energy into visible light, can directly convert electricity into light, and is widely used in the field of illumination;
compared with the traditional illuminating lamp, the LED lamp is longer in service life, the overall energy consumption is smaller, the LED lamp is widely used, the LED lamp is used in a radiating mode, the service life of the LED lamp can be greatly shortened if the radiating effect is poor, the existing LED lamp is poor in self radiating capacity and even does not have a radiating structure, the radiating effect is achieved only by means of air flowing of the space where the LED lamp is located, the service life of a lamp tube is influenced to a certain extent, and therefore the LED lamp capable of effectively achieving radiating is urgently needed.
Disclosure of Invention
The invention aims to solve the problem of poor radiating effect of a lamp tube in the prior art, and provides a radiating type LED lamp based on magnetic fluid motion.
In order to achieve the purpose, the invention adopts the following technical scheme: a heat dissipation type LED lamp based on magnetofluid motion comprises a shell, wherein a fixed plate is fixed on the inner wall of the shell, a lamp tube is fixed at the bottom of the fixed plate, a lampshade is in threaded connection with the side wall of the shell, a heat dissipation box is fixed at the upper end of the fixed plate, an electromagnet is fixed at the top of the heat dissipation box, two buffer cavities which are symmetrically arranged are formed in the heat dissipation box, a buffer mechanism is arranged in each buffer cavity, a heat dissipation cover is fixed at the top of the shell, an annular heat absorption tube is fixed at the upper end of the fixed plate, a return tube and a discharge tube are inserted into the side wall of each heat absorption tube, one ends of the return tube and the discharge tube, which are far away from the heat absorption tubes, penetrate through the top of the shell and the side wall of the heat dissipation cover and are communicated with the interior of the heat dissipation cover, a pushing mechanism is arranged, the pivot is located one section circumference lateral wall of heat dissipation incasement portion and is fixed with a plurality of commentaries on classics boards, the lateral wall of shell runs through and has seted up a plurality of ventilation holes.
In foretell heat dissipation type LED lamp based on magnetofluid motion, buffer gear includes the baffle of passing through buffer spring with the cushion chamber inner wall and being connected, baffle and the sealed sliding connection of cushion chamber inner wall, the lateral wall of baffle is fixed with the connecting rod, the connecting rod runs through the cushion chamber and is fixed with the electricity piece that connects, the inner wall of heat dissipation case is fixed with and connects the electric connector that the electricity piece offseted, the lateral wall of baffle runs through and has seted up backward flow hole and outflow hole.
In the above heat dissipation type LED lamp based on the magnetofluid motion, the inside of the backflow hole and the outside flow hole are both provided with a check valve, and the aperture of the backflow hole is smaller than the outside flow hole.
In the heat dissipation type LED lamp based on the magnetofluid movement, the pushing mechanism comprises a push plate connected with the inner top of the heat dissipation cover through a return spring, the push plate is connected with the inner wall of the heat dissipation cover in a sealing and sliding mode, the return pipe and the discharge pipe are both internally provided with one-way valves, and the heat dissipation box is filled with the magnetofluid.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, by arranging the magnetic fluid, the electromagnet generates strong magnetic attraction to the magnetic fluid after electrification, so that the magnetic fluid flows upwards rapidly, and through the design of the arc surface of the electric connection block, the electric connection block forms pressure difference on two sides when the magnetic fluid passes through, so that the electric connection block moves to be separated from the electric connection head, the electromagnet loses magnetism when power failure occurs, so that the magnetic fluid falls down again for resetting, the electric connection block is reset under the action of the buffer spring to be in contact with the electric connection head again, and further, the intermittent power failure of the electromagnet is completed, so that the push plate reciprocates under the action of the magnetic force, the circulating flow of water flow in the heat absorption tube is completed, the effective time is reduced by water;
2. according to the invention, the moving speed of the partition plate in the resetting process is obviously reduced by arranging the external flow holes and the backflow holes with different apertures, so that the power-off time of the electromagnet is prolonged, the magnetic fluid has enough time to fall to the bottom of the heat dissipation box, the situation that the magnetic fluid cannot effectively fall is avoided, and the magnetic fluid can drive the power-on block to move in the circulating process;
3. in the invention, in the process that the magnetic fluid is attracted by magnetic force and moves upwards rapidly, the magnetic fluid collides with the rotating plate, so that the rotating plate is driven to drive the rotating shaft to rotate, the rotating blade outside the heat dissipation box is further driven to rotate, the rotating blade drives the air flow inside the shell to flow, and high-temperature gas inside the shell is rapidly exchanged with external gas, thereby completing heat exchange, avoiding temperature accumulation and ensuring that the lamp tube works effectively and safely.
Drawings
FIG. 1 is a schematic structural diagram of a heat dissipation type LED lamp based on magnetofluid motion according to the present invention;
FIG. 2 is a side cross-sectional view of a heat dissipation type LED lamp based on magnetic fluid movement according to the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 1.
In the figure: the device comprises a shell 1, a fixing plate 2, a lamp tube 3, a lamp shade 4, a heat dissipation box 5, an electromagnet 6, a heat absorption tube 7, a heat dissipation cover 8, a return tube 9, a discharge tube 10, a return spring 11, a push plate 12, a rotating shaft 13, a rotating plate 14, a rotating blade 15, a vent hole 16, a buffer cavity 17, a buffer spring 18, a partition plate 19, a connecting rod 20, an electric connection block 21, an electric connection head 22, an outflow hole 23 and a return hole 24.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-3, a heat dissipation type LED lamp based on magnetofluid movement comprises a housing 1, a fixing plate 2 is fixed on the inner wall of the housing 1, a lamp tube 3 is fixed at the bottom of the fixing plate 2, the fixing plate 2 can rapidly absorb heat emitted by the lamp tube 3, so that the temperature of the lamp tube 3 can be timely and effectively reduced, a lampshade 4 is in threaded connection with the side wall of the housing 1, a heat dissipation box 5 is fixed at the upper end of the fixing plate 2, an electromagnet 6 is fixed at the top of the heat dissipation box 5, two buffer cavities 17 are symmetrically arranged in the heat dissipation box 5, a buffer mechanism is arranged in the buffer cavities 17, a heat dissipation cover 8 is fixed at the top of the housing 1, an annular heat absorption tube 7 is fixed at the upper end of the fixing plate 2, a backflow tube 9 and a discharge tube 10 are inserted in the side wall of the heat absorption tube 7, the backflow tube 9 and the discharge tube 10 are both penetrating through the, the inside push mechanism that is equipped with of heat exchanger 8, the lateral wall of heat dissipation case 5 runs through to rotate and is connected with pivot 13, and pivot 13's both ends are all fixed and are changeed leaf 15, and pivot 13 is located the inside one section circumference lateral wall of heat dissipation case 5 and is fixed with a plurality of commentaries on classics boards 14, and the lateral wall of shell 1 runs through and has seted up a plurality of ventilation holes 16.
Buffer gear includes the baffle 19 of being connected through buffer spring 18 with buffer chamber 17 inner wall, baffle 19 and buffer chamber 17 inner wall sealing sliding connection, the lateral wall of baffle 19 is fixed with connecting rod 20, connecting rod 20 runs through buffer chamber 17 and is fixed with connects electric block 21, it is the plane to connect electric block 21 one side to be the cambered surface opposite side, the inner wall of radiator box 5 is fixed with connects electric head 22 with connecing electric block 21 looks butt, connect electric block 21 and connect electric head 22 contact back electric magnet 6's circuit and keep unblocked, the lateral wall of baffle 19 runs through and has seted up backward flow hole 24 and outflow hole 23.
Buffer solution is filled in the buffer cavity 17, the backflow holes 24 and the outflow holes 23 are internally provided with one-way valves, the aperture of the one-way flowing backflow hole 24 of the buffer solution is ensured to be smaller than the outflow hole 23, and the resetting speed of the partition plate 19 is reduced.
The pushing mechanism comprises a pushing plate 12 connected with the inner top of the heat dissipation cover 8 through a return spring 11, the pushing plate 12 is connected with the inner wall of the heat dissipation cover 8 in a sliding mode in a sealing mode, water flow suction and pushing are completed, check valves are arranged inside the return pipe 9 and the discharge pipe 10, circulation flow of the water flow is guaranteed, the heat dissipation box 5 is filled with magnetic fluid, the magnetic fluid flows rapidly under the action of magnetic force, and good fluidity of the heat dissipation box is kept.
In the invention, when the lamp tube 3 is electrified and normally works, the electromagnet 6 is electrified to generate a magnetic field, so that magnetic adsorption is generated on the magnetic fluid and the push plate 12, the magnetic fluid rapidly flows upwards until the magnetic fluid is abutted against the top of the heat dissipation box 5 under the action of the strong magnetic field, and the push plate 12 stretches the return spring 11 and moves downwards under the action of the magnetic force;
in the process that the magnetic fluid moves upwards rapidly, the magnetic fluid keeps good fluidity all the time and rapidly penetrates through the two electricity-receiving blocks 21, because one sides, close to each other, of the two electricity-receiving blocks 21 are cambered surfaces, and the other sides, far away from each other, of the two electricity-receiving blocks are planes, when the magnetic fluid penetrates through the magnetic fluid, obvious flow speed differences exist between the two sides, so that obvious pressure differences exist between the two sides of the electricity-receiving blocks 21, the two electricity-receiving blocks 21 are close to each other under the action of the pressure differences, and because the aperture of the outer flow hole 23 is large, the buffer solution in the buffer cavity 17 can easily penetrate through the buffer cavity, so that the partition plate 19 can easily slide outwards, and the electricity-;
after the power connection block 21 moves, the power connection block is separated from the power connection head 22, so that the electromagnet 6 is powered off, the magnetic fluid does not move upwards under the action of gravity, the magnetic fluid falls under the action of gravity, the pressure difference on two sides of the power connection block 21 disappears, the partition plate 19 moves back under the action of the elastic force of the buffer spring 18, and the power connection block 21 synchronously moves back;
in the process that the magnetic fluid moves upwards, the rotating plate 14 is impacted, so that the rotating plate 14 drives the rotating shaft 13 to rotate under the impact of the rotating plate, the rotating blade 15 rotates, air in the shell 1 is driven to flow outwards through the vent hole 16, the flow exchange of air flow inside and outside the shell 1 is completed, the diffusion of heat in the shell 1 is completed through the flow of the air flow, the integral heat dissipation effect is improved, and the lamp tube 3 can work at a safe temperature;
because the electromagnet 6 is intermittently powered off, the push plate 12 is attracted by magnetic force to move downwards when the electromagnet 6 is powered on to generate a magnetic field, when the electromagnet 6 is powered off, the push plate moves upwards to reset under the action of the elastic force of the reset spring 11 to complete self reciprocating motion, the internal pressure of the heat dissipation cover 8 continuously changes in the reciprocating motion process of the push plate 12, when the push plate 12 moves downwards, the lower space of the heat dissipation cover 8 is reduced, water flow in the heat dissipation cover 8 is pressed into the return pipe 9, when the push plate 12 moves upwards, the lower space of the heat dissipation cover 8 is increased and the pressure is reduced, so that the water flow in the discharge pipe 10 is sucked into the heat dissipation cover 8, the water flow is conveyed from the discharge pipe 10 to the return pipe 9, because the discharge pipe 10 and the return pipe 9 are communicated with the heat absorption pipe 7, the circulating flow of the water flow is completed, and the heat absorbed by the water flow in the heat absorption pipe 7 is, thereby realized the effective cooling to fixed plate 2 for the heat that gives off in the 3 course of operation of fluorescent tube can quick effectual outside diffusion, guarantees that fluorescent tube 3 can long-time continuous work.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (4)

1. The utility model provides a heat dissipation type LED lamp based on magnetic current body motion, includes shell (1), its characterized in that, the inner wall of shell (1) is fixed with fixed plate (2), the bottom of fixed plate (2) is fixed with fluorescent tube (3), the lateral wall threaded connection of shell (1) has lamp shade (4), the upper end of fixed plate (2) is fixed with heat dissipation case (5), the top of heat dissipation case (5) is fixed with electro-magnet (6), buffer chamber (17) that two symmetries set up are seted up to the inside of heat dissipation case (5), the inside of buffer chamber (17) is equipped with buffer gear, the top of shell (1) is fixed with heat dissipation cover (8), the upper end of fixed plate (2) is fixed with annular heat absorption pipe (7), the lateral wall of heat absorption pipe (7) is inserted and is equipped with back flow (9) and delivery pipe (10), the one end that heat absorption pipe (7) were kept away from to back flow (9) and delivery pipe (10) all runs through shell And heat dissipation cover (8) lateral wall and with heat dissipation cover (8) inside intercommunication, the inside push mechanism that is equipped with of heat dissipation cover (8), the lateral wall of heat dissipation case (5) runs through to rotate and is connected with pivot (13), the both ends of pivot (13) are all fixed and are changeed leaf (15), pivot (13) are located inside one section circumference lateral wall of heat dissipation case (5) and are fixed with a plurality of commentaries on classics board (14), the lateral wall of shell (1) runs through and has seted up a plurality of ventilation holes (16).
2. The heat dissipation type LED lamp based on magnetofluid motion is characterized in that the buffer mechanism comprises a partition plate (19) connected with the inner wall of a buffer cavity (17) through a buffer spring (18), the partition plate (19) is in sliding connection with the inner wall of the buffer cavity (17) in a sealing mode, a connecting rod (20) is fixed to the side wall of the partition plate (19), the connecting rod (20) penetrates through the buffer cavity (17) and is fixed with an electric connection block (21), an electric connection head (22) abutting against the electric connection block (21) is fixed to the inner wall of the heat dissipation box (5), and a return hole (24) and an outflow hole (23) are formed in the side wall of the partition plate (19) in a penetrating mode.
3. The heat dissipation type LED lamp based on magnetofluid movement is characterized in that a one-way valve is arranged inside each of the backflow hole (24) and the outflow hole (23), and the diameter of the backflow hole (24) is smaller than that of the outflow hole (23).
4. The heat dissipation type LED lamp based on magnetofluid motion is characterized in that the pushing mechanism comprises a push plate (12) connected with the inner top of the heat dissipation cover (8) through a return spring (11), the push plate (12) is connected with the inner wall of the heat dissipation cover (8) in a sealing and sliding mode, one-way valves are arranged inside the return pipe (9) and the discharge pipe (10), and magnetofluid is filled inside the heat dissipation box (5).
CN202011041977.XA 2020-09-28 2020-09-28 Heat dissipation type LED lamp based on magnetofluid motion Active CN112178501B (en)

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CN112178501B CN112178501B (en) 2021-06-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113507222A (en) * 2021-09-09 2021-10-15 南通冠准材料贸易有限公司 High-efficient heat dissipation type photovoltaic inverter

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201273550Y (en) * 2008-08-25 2009-07-15 朱建钦 Magnetofluid LED lamp
CN101795548A (en) * 2010-01-12 2010-08-04 张利峰 Magnetofluid silent cooling system and device
CN103196059A (en) * 2013-03-18 2013-07-10 林智勇 Magnetic fluid heat exchange LED (light emitting diode) lamp
KR20170138188A (en) * 2016-06-07 2017-12-15 이무연 High heat dissipation efficiency LED head lamp module
JP2019070458A (en) * 2017-10-06 2019-05-09 キヤノン株式会社 Cooler, and electronic equipment having cooler
CN111102544A (en) * 2019-12-31 2020-05-05 胡振强 LED radiator
CN111550740A (en) * 2020-06-12 2020-08-18 李鳞 Energy storage slowly-extinguishing ceiling lamp

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201273550Y (en) * 2008-08-25 2009-07-15 朱建钦 Magnetofluid LED lamp
CN101795548A (en) * 2010-01-12 2010-08-04 张利峰 Magnetofluid silent cooling system and device
CN103196059A (en) * 2013-03-18 2013-07-10 林智勇 Magnetic fluid heat exchange LED (light emitting diode) lamp
KR20170138188A (en) * 2016-06-07 2017-12-15 이무연 High heat dissipation efficiency LED head lamp module
JP2019070458A (en) * 2017-10-06 2019-05-09 キヤノン株式会社 Cooler, and electronic equipment having cooler
CN111102544A (en) * 2019-12-31 2020-05-05 胡振强 LED radiator
CN111550740A (en) * 2020-06-12 2020-08-18 李鳞 Energy storage slowly-extinguishing ceiling lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113507222A (en) * 2021-09-09 2021-10-15 南通冠准材料贸易有限公司 High-efficient heat dissipation type photovoltaic inverter
CN113507222B (en) * 2021-09-09 2021-11-16 南通冠准材料贸易有限公司 High-efficient heat dissipation type photovoltaic inverter

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