WO2012102460A1 - Dispositif d'éclairage de rue à dissipation de la chaleur par convection naturelle - Google Patents

Dispositif d'éclairage de rue à dissipation de la chaleur par convection naturelle Download PDF

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Publication number
WO2012102460A1
WO2012102460A1 PCT/KR2011/007879 KR2011007879W WO2012102460A1 WO 2012102460 A1 WO2012102460 A1 WO 2012102460A1 KR 2011007879 W KR2011007879 W KR 2011007879W WO 2012102460 A1 WO2012102460 A1 WO 2012102460A1
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WIPO (PCT)
Prior art keywords
natural convection
air distribution
lower case
upper case
coupled
Prior art date
Application number
PCT/KR2011/007879
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English (en)
Korean (ko)
Inventor
윤석윤
Original Assignee
(주)프로맥엘이디
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Filing date
Publication date
Application filed by (주)프로맥엘이디 filed Critical (주)프로맥엘이디
Publication of WO2012102460A1 publication Critical patent/WO2012102460A1/fr

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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
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/002—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for interchangeability, i.e. component parts being especially adapted to be replaced by another part with the same or a different function
    • 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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • 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
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Definitions

  • the present invention relates to a street light fixture having a natural convection heat dissipation function, and more specifically, to form a street lamp mechanism so that the heat dissipation in a natural convection method without installing a separate cooling device, the upper and lower case And it consists of LED module unit to form a simple structure to the street lamp mechanism having a fluid engineering natural convection heat dissipation function that can increase the workability and productivity by easy separation and coupling of the product.
  • the street lights or security lamps listed above use mercury gas, which has a problem of causing environmental pollution.
  • a conventional lighting device using a light emitting diode has a difficulty in solving the problem of heat dissipation generated by itself, and mainly uses a low brightness light emitting diode.
  • a high brightness light emitting diode when used, considerable heat is generated, which causes damage to the light emitting diode and the peripheral device, which may cause a serious problem in the long life of the lighting device.
  • a light fixture using a light emitting diode for example, a light emitting diode street light has a simple lighting circuit, a inverter circuit and an iron ballast are unnecessary, unlike a fluorescent lamp street lamp, and is low in power consumption and long in life.
  • the advantage is low cost.
  • a heat sink such as a heat sink or slug using a metal material having excellent thermal conductivity is often installed to solve thermal stress caused by the light emission of the LED, but this constitutes a heat sink.
  • the heat sink In order to satisfy the heat dissipation efficiency required due to the limitation of the metal material, the heat sink has a thicker thickness, thereby increasing the size of the LED street light.
  • the LED street light remains a problem to solve the problem of heat dissipation to block moisture penetrating into the LED module in addition to the heat dissipation problem, and also because most of the street light using LED has a complicated structure as simple as possible The question remains whether a street lamp can be constructed with a simple structure.
  • Conventional LED module is a simple structure that combines the light transmitting plate and the light transmitting plate together with the substrate to the lower case to simply disconnect the substrate mounted on the heat sink with the outside, the moisture penetrates through the space between the transparent plate and the lower case. In this case, there is a problem that directly affects the substrate and the LED, resulting in breakage of the component.
  • the present invention was devised to solve the above problems, and an object of the present invention is to consist of the upper case and the lower case and the LED module unit to form a street lamp mechanism with a simple structure to facilitate the separation and combination of products to increase workability It is to provide a street light fixture having a fluid engineering natural convection heat dissipation function that can increase the productivity, as well as the natural convection through the air distribution hole to effectively heat dissipation.
  • another object of the present invention is to provide a cover plate to cover the air distribution hole in the state spaced on the upper side of the upper case natural convection heat dissipation function to enable the flow of air while blocking the inflow of foreign matter into the air distribution hole
  • a streetlight mechanism having a.
  • Another object of the present invention by forming the upper case and the lower case with a synthetic resin material to significantly reduce the weight, and can reduce the strength of the street lamp post according to the natural convection heat radiation that can reduce the overall manufacturing cost of the street lamp It is to provide a street lamp having a function.
  • Another object of the present invention is to hinge the lower case to the upper case to open the hinge shaft by the weight of the hinge when separated, and to open, the arm arm and the injection molding integrally with the upper case to avoid unnecessary connection work. It is to provide a street light fixture having a natural convection heat dissipation function.
  • another object of the present invention is easy to attach and detach the LED module unit, and by having a substrate inside the coupling piece integrally formed on the heat sink to reduce the possibility of moisture penetration and to expose the downward direction of the heat sink transparent cover It is to provide a street light fixture having a natural convection heat dissipation function to cover the plate to prevent moisture penetration inherently effective waterproofing.
  • Another object of the present invention is to reduce the possibility of leakage by connecting the wires connected to the board to the connector through the wire hole to prevent component damage due to leakage in advance, thereby reducing the maintenance cost natural convection It is to provide a street lamp mechanism having a heat radiation function.
  • a street lamp mechanism having a fluid engineering natural convection heat dissipation function of the present invention includes an upper case coupled to an upper end of a street lamp post; A lower case coupled to a lower portion of the upper case to cover a lower portion, and having a plurality of air distribution holes formed at an edge thereof;
  • the streetlight mechanism consisting of an LED module unit installed in the lower case to guide the traffic of the vehicle and pedestrians by irradiating light to the LED of the LED module unit, the LED module unit is coupled to the heat sink and the heat sink for radiating heat of the LED
  • a transparent cover plate coupled to the periphery of the heat dissipation plate to cover the front surface of the substrate, and an upper surface of the upper case having an air distribution hole for air flow in and out of the upper case.
  • the upper case has a streamlined upper surface, and a plurality of protrusions adjacent to the periphery of the air distribution hole on the upper surface. Protrudes, and a bottom surface of the protrusion is formed on an upper side of the upper case.
  • the cover plate is installed to be spaced apart from the upper surface of the upper case is characterized in that for covering the upper side of the air circulation hole.
  • the upper case is formed in a streamlined upper surface, a plurality of protrusions protrude on the upper surface adjacent to the periphery of the air distribution hole, the bottom surface is coupled to the protrusion on the upper side of the upper case is spaced apart from the upper surface of the upper case It is preferable that the cover plate is installed so that the air is circulated while covering the upper side of the air distribution hole.
  • an arm is installed at an upper end of the street lamp post, and a hollow arm fixing part is preferably integrally formed so that the arm is inserted into one side of the upper case to be fixed by a fixing means.
  • the lower case is preferably one side is hinged to the upper case by a hinge axis is rotated by its own load starting from the hinge axis when the coupling means are released.
  • the lower case is formed in the center portion is opened so that the module module is installed so that the LED module is installed, the inclined surface is inclined toward the edge of the lower case from the module installation hole, the air distribution hole is formed on the inclined surface desirable.
  • the module installation hole of the lower case is characterized in that it is formed in proportion to the size of the transparent cover plate so that only the transparent cover plate protrudes to the outside through the module installation hole in the state that the heat sink is coupled.
  • the substrate is composed of a central irradiation plate for irradiating light directly below and a side irradiation plate which is integrally formed on both sides of the central irradiation plate to irradiate light in an oblique direction
  • the front surface of the heat sink is the substrate
  • both sides are characterized by being inclined to face outward.
  • a coupling hole is formed in the lower case for coupling the heat sink, and a coupling piece is preferably formed in the peripheral portion of the heat sink to be coupled to the coupling hole by a fixture.
  • the edge of the transparent cover plate is formed in close contact with the front edge of the heat sink, it is preferable that the gasket is provided between the close contact and the heat sink.
  • the contact piece is one surface is in contact with the heat sink, one side surface adjacent to one surface is in contact with the inner circumferential surface of the coupling piece, one surface of the contact piece is dug inwardly from the surface to form a stepped groove is inserted into the gasket It is desirable to lose.
  • one side of the heat sink is installed in the connector is connected to the power supply in a state in which the leak is blocked by the packing, the connector through the wire hole penetrates to the front surface of the heat sink from one side of the heat sink and the wire It is characterized in that the connection.
  • the air distribution hole formed in the upper case and the lower case Through natural convection of the internal and external air through the heat dissipation is made efficiently.
  • the possibility of moisture penetration can be reduced by not exposing the board to the outside, and the cover is covered with a transparent cover plate for effective waterproofing, and parts damage due to leakage can be caused by connecting a wire connected to the board to a connector through a wire hole. There is an effect that can be prevented in advance.
  • FIG. 1 is a perspective view showing a street lamp mechanism having a natural convection heat dissipation function installed in the street lamp holder of the present invention
  • Figure 2 is an exploded perspective view of a street lamp mechanism having a natural convection heat dissipation function of the present invention
  • FIG. 3 is a cross-sectional view of a streetlight mechanism having a natural convection heat dissipation function of the present invention
  • FIG. 4 is a cross-sectional view of the lower case of the present invention is rotated and lowered
  • FIG. 5 is a perspective view showing a lower case of the present invention.
  • FIG. 8 is an enlarged view illustrating part “A” of FIG. 3;
  • FIG. 10 is a cross-sectional view showing the LED module unit coupled to the lower case of the present invention.
  • FIG. 12 is a cross-sectional view taken along the line A-A of FIG.
  • the street light fixture having a natural convection heat dissipation function according to the present invention is installed on the upper end of the street lamp post 10 as shown in FIG. 1 to irradiate light with the light emitted from the LED 46 provided therein to guide the passage of vehicles and pedestrians. Done.
  • the streetlight mechanism of the present invention is composed of three large configurations, as shown in FIG. 2, the upper case 20 coupled to the upper end of the street lamp post 10 and having a space formed therein, and the upper case 20 of the upper case 20.
  • the lower case 30 is coupled to the lower portion to cover the lower portion, and the LED module unit 40 is coupled to the lower case 30 is installed to be received into the upper case 20.
  • the LED module unit 40 accommodated in the upper case 20 and the lower case 30 is generated by the light emission of the LED 46, the heat is air flow holes 22, 34 which will be described later Through the process of being discharged to the outside through the heat dissipation is made.
  • the street lamp mechanism of the present invention is heat dissipated by its own natural convection method without the configuration of a separate cooling device through the air distribution holes (22, 34).
  • the upper case 20 has a lower opening and a closed upper portion, and an upper surface of the upper case 20 has an air distribution hole 22 for air circulation.
  • the air distribution hole 22 may be formed to penetrate the central portion of the upper surface of the upper case 20 in a circular or quadrangular shape as shown in FIGS. 1 and 2, or may be formed by cutting at regular intervals.
  • the upper case 20 is formed in a streamlined convex shape as the upper surface as a whole, as shown in Figure 3 and 4, the air moved to the upper side of the air distribution hole 22 has a high flow rate
  • the internal hot air can be quickly discharged to the outside to further increase the heat dissipation effect.
  • a plurality of protrusions 24 protrude from the upper surface of the upper case 20 to be adjacent to the periphery of the air distribution hole 22, and the upper side of the upper case 20.
  • a bottom plate is coupled to the protrusions 24 and provided with a cover plate 50 spaced apart from the top surface of the upper case 20.
  • the cover plate 50 is spaced apart from the upper surface of the upper case 20 to cover only the upper side of the air distribution hole 22 corresponding to the air distribution hole 22 to cover the air distribution hole 22. Air passing through the space is separated through the space between the upper case 20 and the cover plate 50 to the outside.
  • the lower case 30 is formed of a plate body, and a plurality of air distribution holes 34 are formed at edges to introduce external air into the upper case 20.
  • the module installation hole 32 is formed.
  • the air distribution hole 34 is preferably formed by cutting at a predetermined interval to prevent the inflow of foreign matter, the module installation hole 32 is provided with the LED module unit 40.
  • the street lamp mechanism of the present invention allows heat to be radiated in a natural convection manner while air passes through the air distribution holes 22 and 34 formed in the upper case 20 and the lower case 30 without a separate device. It will be able to achieve effective heat dissipation.
  • the lower case 30 is one side is hinged to the upper case 20 by the hinge shaft 36, as shown in Figure 4, when the coupling means when the release of the hinge axis 36 itself It is operated to rotate by load.
  • the lower case 30 is rotated by its own weight to be easily lowered in the maintenance work such as when the LED module 40 is damaged or repaired or when the LED is replaced. do.
  • the edge of the lower case 30 in which the air distribution hole 34 is formed may be formed in parallel as shown in FIG. 6 or inclined to smoothly inflow of air as shown in FIG. 7.
  • the lower case 30 is formed of an inclined surface 31 inclined toward the edge of the lower case 30 from the edge of the module installation hole 32, the air distribution hole ( 34) is formed.
  • the air distribution hole 34 may be formed by cutting in the direction in which the module installation hole 32 is formed as shown in the drawing, or may be formed by cutting side by side at the edge of the module installation hole 32.
  • the LED module portion 40 is a heat sink 42 is coupled to the peripheral portion of the module installation hole 32 of the lower case 30, as shown in Figure 9 to 11, the heat sink 42 is coupled to the LED 46 in the front ) And a transparent cover plate 48 coupled to the periphery of the heat dissipation plate 42 to cover the front surface of the substrate 45.
  • the heat sink 42 is provided to dissipate the heat generated from the LED 46, and has a good thermal conductivity and forms a plate using aluminum to maximize the contact area with air, and the plate has several
  • the heat radiation piece 42a is extrusion-molded or press-molded so that it may be formed in a vertical direction at regular intervals.
  • a coupling piece 43 is formed on the periphery of the heat sink 42, and the substrate 45 is formed inside the coupling piece 43. It is provided so as not to be exposed to the outside, the substrate 45 is made to be disconnected from the outside through the transparent cover plate 48 is tightly coupled to the heat sink 42 to cover the substrate 45.
  • the LED module unit 40 of the present invention has the above configurations in order to block moisture permeation of the substrate 45.
  • the substrate 45 is formed by the coupling piece 43. It is provided as a space to prevent the maximum exposure, and also the transparent cover plate 48 in the downward direction of the heat sink 42 is closely coupled through the gasket 44 to block moisture penetration with high airtightness
  • the transparent cover plate 48 in the downward direction of the heat sink 42 is closely coupled through the gasket 44 to block moisture penetration with high airtightness
  • the transparent cover plate 48 is in close contact with the front surface of the heat dissipation plate 42 is formed in the close contact piece 49, and covers the space formed by the close contact piece 49 to the substrate 45 It is configured to disconnect from the outside, the convex is formed so as to maintain the distance to the substrate 45, the light generated from the LED 46 is evenly transmitted and at the same time, such as various foreign matter and flowing water that can be introduced from the outside Inflow is blocked.
  • the transparent cover plate 48 is located inside the coupling piece 43 to increase the blocking efficiency of foreign matter or flowing water.
  • the contact piece 49 of the transparent cover plate 48 is provided so that one surface is in contact with the heat sink 42, and one side surface adjacent to one surface is in contact with the inner peripheral surface of the coupling piece 43.
  • one surface of the close contact piece 49 is formed to be inserted inwardly from the surface to be inserted into the groove 46a, the gasket 44 is inserted into the insertion groove (49a) to increase the waterproof efficiency. .
  • the lower case 30 is formed with a module installation hole 32, the adjacent portion of the module installation hole 32 is formed with a coupling hole 38 for the coupling of the heat sink 42, the coupling Through the coupling piece 43 of the heat dissipation plate 42 to the ball 38 to be coupled to the fixture 39 to mount the LED module unit 40 to the lower case 30.
  • the heat sink 42 and the substrate 45 are formed by the upper case 20 and the lower case 30 in a state in which the heat sink 42 is coupled to the lower case 30 in the module installation hole 32.
  • Only the transparent cover plate 48 is protruded to the outside through the module installation hole 32 in a state accommodated in the interior space, the size of the LED module unit 40 accommodated therein is different according to the size of the street lamp mechanism
  • the opening area of the module installation hole 32 is preferably formed in proportion to the size of the transparent cover plate 48.
  • the coupling piece 43 extends vertically in the opposite direction of the heat dissipation piece 42a to the edge of the heat dissipation plate 42 and has an end portion coupled to the lower case 30.
  • the coupling piece 43 is formed to have a length such that the LED 46 is not exposed to the outside of the lower case 30. In order to prevent the light generated from the LED 46 from spreading to the outside to irradiate the irradiation area as bright as possible, and to prevent damage to the external cover and the damage caused by foreign matter and water as much as possible when the transparent cover plate 48 is damaged. do.
  • the substrate 46 is formed to be inclined at a predetermined angle so as to increase a light distribution rate of light emitted from the LED 46.
  • the substrate 45 is integrally formed to be inclined on both sides of the central irradiation plate 45a for irradiating light directly below and the side irradiation plate 45b for irradiating light in an oblique direction. ), So that light can be irradiated outwards, thereby effectively increasing the light distribution rate.
  • the front surface of the heat dissipation plate 42 on which the substrate 45 is mounted is also formed so that the center portion is directly downward to correspond to the shape of the substrate 45, and both sides are inclined to face the outside. Do.
  • one side of the heat sink 42 of the present invention is provided with a connector 60 connected to a power supply unit in a state in which leakage of water is blocked by the packing 62, and the connector 60.
  • the street lamp mechanism of the present invention may be installed to be spaced apart from or close to a considerable distance from the street lamp post 10 according to the installation place, in this case, the street lamp post 10 to connect the street lamp mechanism and the lamp post 10 to each other. At the top of the arm 15 is installed.
  • a hollow arm fixing part 26 is integrally molded to one side of the upper case 20 of the street lamp mechanism so that the arm 15 is inserted and fixed by the fixing means. (See FIG. 1).
  • the arm 15 is provided with a drop preventing means 16 of the street lamp mechanism to prevent a safety accident caused by falling when the street lamp mechanism of the present invention is separated from the arm 15 due to external pressure, etc., the drop preventing means 16 is provided at the end of the wire 18, the torsion spring 17 is inserted into the arm 15 and spans the inner circumferential surface, the wire 18 connected to the torsion spring 17,
  • the inner circumferential surface of the arm fixing portion 26 and the inner side of the upper case 20 is composed of a connecting ring 19 which is fixed by a fixture such as a bolt or rivet.
  • the arm fixing portion 26 is manufactured by injection and press molding during the molding of the upper case 20, thereby avoiding unnecessary work for connecting the arm fixing portion 26 to the upper case 20. It can be increased.
  • the street lamp device of the present invention configured as described above has a form in which internal and external air can be freely distributed through air distribution holes 22 and 34 formed in the upper case 20 and the lower case 30, respectively. Heat generated by the light emission of the 46 is transferred to the heat sink 42, the heat is radiated through heat exchange with the air present in the inner space formed by the upper case 20 and the lower case 30.
  • the upper surface of the upper case 20 is introduced through the upper side of the air distribution hole 22 in the rain with the circulation of air by the cover plate 50 spaced apart by a predetermined distance to allow the external discharge of the internal air. As well as blocking the rain water is to be able to block the inflow of foreign objects.
  • the substrate 45 of the present invention is provided by the inner space formed by the engaging piece 43 is blocked from being exposed to the outside, by the transparent cover plate 48 provided below the heat sink 42 It is disconnected from the outside.
  • one surface of the close contact piece 49 formed on the edge of the transparent cover plate 48 is in contact with the heat dissipation plate 42, the adjacent one surface is in contact with the inner peripheral surface of the coupling piece 43 to increase the waterproof performance
  • the insertion groove 49a is formed on one surface of the close contact piece 49 so as to be coupled to the heat sink 42 while the gasket 44 is inserted into the insertion groove 49a to further increase the waterproof performance. Will be.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne un dispositif d'éclairage de rue doté d'une fonction de dissipation de la chaleur par convection naturelle et, plus particulièrement, un dispositif d'éclairage de rue doté d'une fonction de dissipation de la chaleur par convection naturelle qui permet non seulement de dissiper la chaleur par convection naturelle sans devoir disposer d'un dispositif de refroidissement séparé mais également de réduire les coûts grâce à la formation d'une structure simple.
PCT/KR2011/007879 2011-01-28 2011-10-21 Dispositif d'éclairage de rue à dissipation de la chaleur par convection naturelle WO2012102460A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110008697A KR101035944B1 (ko) 2011-01-28 2011-01-28 자연대류식 방열기능을 갖는 가로등기구
KR10-2011-0008697 2011-01-28

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WO2012102460A1 true WO2012102460A1 (fr) 2012-08-02

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WO (1) WO2012102460A1 (fr)

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CN114623408A (zh) * 2022-04-20 2022-06-14 迎辉电气集团有限公司 一种路灯灯头防脱落报警装置及其使用方法

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