CN211315887U - LED street lamp - Google Patents
LED street lamp Download PDFInfo
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- CN211315887U CN211315887U CN201921959204.2U CN201921959204U CN211315887U CN 211315887 U CN211315887 U CN 211315887U CN 201921959204 U CN201921959204 U CN 201921959204U CN 211315887 U CN211315887 U CN 211315887U
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Abstract
The utility model relates to a LED street lamp, which comprises a lamp holder, an upper cover, a power circuit and a plurality of groups of LED light-emitting units, wherein the lamp holder is made of conductive materials, and the upper cover is made of insulating materials; the upper cover is a hollow structure with openings at the upper and lower parts, and the bottom of the upper cover is fixed at the opening at the upper end of the lamp holder. The utility model discloses an overcome the lamp stand mouth of current street lamp up, after installing the bulb, most light of light source all shines to the sky, the serious shortcoming of light resource waste, it is through setting up a plurality of LED luminescence unit of laying around the lamp holder axis, and let LED luminescence unit's light source board go out the plain noodles with shine subaerially with the angle of ground slope, it need not to change current lamp stand mouth, just can make the light source mainly shine on the road surface, have and be suitable for extensively, structural design, advantages such as energy saving.
Description
Technical Field
The utility model relates to a LED street lamp is used in the illumination field.
Background
The street lamp is mainly applied to outdoor illumination of public places such as city slow traffic lanes, narrow traffic lanes, residential districts, tourist attractions, parks, squares and the like. The traditional light source of the street lamp is an incandescent lamp, a fluorescent lamp, a sodium lamp, a metal halide lamp and the like. As a novel light source, the LED has the advantages of high efficiency, safety, energy conservation, environmental protection, long service life, high response speed, high color rendering index and the like, and has irreplaceable advantages in replacing the traditional light source.
The most of column street lamps in the existing market use traditional light sources or novel LED light sources because the lamp holder opening faces upwards, most lights of the light sources irradiate towards the sky when the LED street lamps are used for illumination, the lighting of the ground roads is limited, and the light resource waste is serious.
Therefore, it is desirable to provide an LED street lamp which can be installed on the existing upward socket opening and emit light to the road surface, with good heat dissipation and reasonable structural design.
SUMMERY OF THE UTILITY MODEL
In order to overcome the lamp stand mouth of current street lamp up, after installing the bulb, most light of light source all shines to the sky, the serious shortcoming of light resource waste, the utility model provides a LED street lamp, it just lets LED light-emitting unit's light source board go out the plain noodles and shine subaerially with the angle of ground slope through setting up a plurality of LED light-emitting unit that lay around the lamp holder axis, and it need not to change current lamp stand mouth, just can make the light source mainly shine on the road surface, has and is suitable for extensively, structural design, advantages such as energy saving.
The technical scheme of the utility model as follows:
an LED street lamp comprises a lamp holder, an upper cover, a power circuit and a plurality of groups of LED light-emitting units, wherein the lamp holder is made of a conductive material, and the upper cover is made of an insulating material; the upper cover is a hollow structure with openings at the upper and lower parts, and the bottom of the upper cover is fixed at the opening at the upper end of the lamp holder; the LED lamp comprises a lamp holder, a plurality of groups of LED light-emitting units and a lamp holder, wherein the plurality of groups of LED light-emitting units are distributed at intervals around the central axis of the lamp holder, each group of LED light-emitting units comprises a light source plate and a light source mounting shell used for fixedly mounting the light source plate above the top of the upper cover, and the distance from the top of the light source plate of each group of LED light-emitting units to the central axis of the lamp holder is larger than the distance from the bottom of the light source plate to the central; one end of the power circuit is connected with the light source plates on the LED light-emitting units through wires, and the other end of the power circuit is connected with the lamp holder through wires.
The utility model provides a LED street lamp makes LED luminescence unit's the light emitting area that encircles design and its light source board be the acute angle with ground, rather than towards horizontal direction or lamp shade direction for install on current opening lamp stand up, light can shine ground to slant all around downwards, has guaranteed that ground all around has sufficient light. The lamp holder does not need to be modified, can be directly applied, and has the advantages of reasonable structural design, wide application range and low cost. The upper cover is preferably made of ultraviolet resistant F1 grade plastic material. Preferably, the diameter of the upper opening of the upper cover (2) is larger than that of the lower opening.
The LED street lamp also comprises a support sheet, a heat-conducting metal cup, a power supply protective cover and a lampshade, wherein the inner edge of the upper opening of the upper cover is step-shaped, and a plurality of upper cover screw holes are vertically formed in the step;
the support sheet is placed on a step at the opening of the upper cover, a plurality of first screw columns which penetrate through the support sheet and extend downwards from the bottom surface of the support sheet are arranged on the support sheet, and the positions of the first screw columns correspond to those of the screw holes of the upper cover so that screws can penetrate through the first screw columns and the screw holes of the upper cover in sequence to fixedly install the support sheet on the upper cover; the support sheet is provided with a third threading hole which penetrates through the support sheet from top to bottom, the support sheet is also provided with a plurality of first screw holes which are arranged at intervals around the center of the support sheet, the bottom of the light source mounting shell of each group of LED light-emitting units is provided with a second screw hole, and the light source mounting shell of each group of LED light-emitting units is fixedly connected to the top of the support sheet through screws which penetrate through the second screw holes and the corresponding first screw holes;
the heat-conducting metal cup is arranged in a cavity formed by surrounding each group of LED light-emitting units, the heat-conducting metal cup is of a cylindrical structure with an opening at the upper end and a closed lower end, a plurality of first bosses which extend outwards to be right above the tops of each group of LED light-emitting units are arranged at intervals on the periphery of the opening at the upper end, fourth screw holes are vertically formed in the tops of the light source installation shells of each group of LED light-emitting units, and third screw holes which vertically penetrate through the heat-conducting metal cup and correspond to the fourth screw holes of each group of LED light-emitting units are formed in each first boss; a first threading hole is formed in the middle of the bottom wall of the heat-conducting metal cup;
the power supply protective cover is of a tubular structure with an upper end opening and a lower end being closed, the power supply protective cover is covered and fixed at the upper end opening of the power supply protective cover, the power supply protective cover and the power supply protective cover are both arranged in the inner cavity of the heat-conducting metal cup, and the power supply circuit is arranged in the power supply protective cover and is fixedly connected with the power supply protective cover through heat-conducting glue; the power supply protective cover and the power supply protective cover are both made of heat-conducting insulating materials; a second threading hole is formed in the bottom wall of the power supply protective cover, and a lead of the power supply circuit, which is used for connecting the light source board and the lamp cap, sequentially penetrates through the second threading hole, the first threading hole and the third threading hole;
the lampshade is covered at the upper end opening of the cavity formed by surrounding the LED light-emitting units, the lampshade is provided with a plurality of heat dissipation holes and a plurality of fifth screw holes, the positions of the fifth screw holes correspond to those of the fourth screw holes, and the lampshade is fixedly connected with the heat conduction metal cup and the light source installation shell of each group of LED light-emitting units through the fifth screw holes sequentially penetrating through the lampshade, the third screw holes of the heat conduction metal cup and the fourth screw holes at the top of the light source installation shell of each group of LED light-emitting units.
The radiating system is designed for the optimized LED street lamp structure, and the radiating problem is solved:
the adjacent LED luminescence unit interval sets up, has had the clearance that can supply the circulation of air between its light source board, and the lamp shade has designed a plurality of louvres. The heat of the light source board is diffused into the air inside. The power circuit in the power protection cover cavity conducts the heat emitted by the power circuit to the power protection cover through the heat-conducting glue and then to the air inside the power protection cover through the heat-conducting metal cup. After the air in the lamp body absorbs heat, the hot air rises and is discharged from the heat dissipation holes of the lampshade. Air with normal temperature enters the lamp body from the gap between the LED light-emitting units to form a continuous heat dissipation system.
The thermally conductive metal cup is preferably an aluminum cup. The fifth screw hole is a screw counter bore. A plurality of third vertically extending screw posts 14-3 are respectively arranged on the bottom surface of the lampshade corresponding to the fifth screw holes. Two sides of each third screw column are respectively provided with a second limiting rib 14-3-1 which vertically extends downwards, the bottom end part of each second limiting rib extends out of the bottom end face of each third screw column, and the bottom end part of each second limiting rib is inserted between adjacent fins.
The light source mounting shell of each group of LED light-emitting units comprises a heat-conducting metal supporting plate, a fourth screw hole is formed in the top of the heat-conducting metal supporting plate, the light source plate is attached to the outer wall of the side, opposite to the central axis of the lamp holder, of the heat-conducting metal supporting plate, a seventh screw hole and an eighth screw hole which are corresponding in position are formed in the light source plate and the heat-conducting metal supporting plate respectively, and the heat-conducting metal supporting plate is fixed with the light source plate through screws penetrating through the eighth screw hole and the seventh screw hole; the outer wall of one surface of the heat-conducting metal supporting plate, which faces the central axis of the lamp holder, is provided with a plurality of fins which extend from top to bottom, are distributed at intervals around the central axis of the lamp holder and are parallel to each other; the lampshade is a heat-conducting metal lampshade.
When the light source plate is in a high-power specification with more heat dissipation, the lampshade is made of metal materials. The heat-conducting metal support plate, the heat-conducting metal cup and the lampshade are fixed through screws to form a heat-conducting system by utilizing the good heat-conducting property of metal. The heat emitted by the light source plate is conducted to the heat-conducting metal supporting plate and is conducted to the lampshade with lower temperature through the screw; the power supply circuit in the inner cavity of the power supply protective cover conducts heat emitted by the power supply circuit to the side wall of the power supply protective cover through the heat conducting glue, and the temperature of the side wall is conducted to the lower lampshade through the first boss and the screw of the heat conducting metal cup after being conducted to the heat conducting metal cup. After the temperature of the lamp shade is increased, heat is continuously radiated to the outside air.
The thermally conductive metal support plate is preferably an aluminum support plate. The heat-conducting plastic material is preferably a plastic material with high heat-conducting property.
The light source plate comprises a substrate and a plurality of LED lamp beads arranged on the substrate, the bottom end part of the substrate is a connector, the connector extends downwards out of the bottom end face of the heat-conducting metal supporting plate, and welding spots are arranged on the surface of the connector;
the supporting sheet is also provided with a plurality of first square holes distributed at intervals around the center of the supporting sheet, and the shape, size and position of each first square hole are matched with the connectors of the light source plates of each group of LED light-emitting units;
the LED street lamp also comprises a connecting circuit board, the connecting circuit board is arranged in the upper cover opening and is positioned between the upper cover step surface and the support sheet, the bottom surface of the edge of the connecting circuit board is abutted against the step, a fourth threading hole is formed in the connecting circuit board, a plurality of second square holes corresponding to the shape, size and position of each first square hole and a plurality of sixth screw holes corresponding to the position of each first screw hole are further formed in the connecting circuit board, a screw connected between the second screw hole at the bottom of the light source mounting shell of each group of LED light-emitting units and the first screw hole of the support sheet further penetrates through the sixth screw holes, and the light source mounting shell, the support sheet and the connecting circuit board of the LED light-emitting units are fixedly connected together; the edge of the connecting circuit board is also provided with a plurality of gaps which correspond to the positions of the screw holes of the upper cover and expose the screw holes of the upper cover, and screws between the first screw posts connected to the supporting sheets and the screw holes of the upper cover also penetrate through the gaps;
the connector link up first square hole, second square hole in proper order to be in the same place through solder joint and connecting circuit board welding, be used for connecting the wire and the connecting circuit board electrically conductive connection of power supply circuit and light source board, and carry out electrically conductive connection through connecting circuit board and the light source board of each group LED luminescence unit, the wire that is used for connecting power supply circuit and lamp holder link up the fourth through wires hole and makes both connect.
The LED street lamp is provided with the connecting circuit board, the connectors of the light source boards are directly inserted and connected onto the connecting circuit board, and one end of the power circuit is connected with the connecting circuit board. In addition, this LED light source board does not directly adopt the COB light source to make cost reduction, the price of present COB light source is overall little and expensive than the power of LED lamp pearl. The substrate is a metal substrate, and a printed circuit board made of an aluminum alloy material is preferred.
The top surface of the supporting piece is provided with a plurality of limiting convex strips which are radially distributed around the center of the supporting piece, and each limiting convex strip is positioned between two adjacent first square holes;
the bottom end edge of the heat-conducting metal support plate of each group of LED light-emitting units is also provided with a second boss extending towards the central axis direction of the lamp holder, the second boss is sector-shaped or triangular, a second screw hole is arranged on the second boss, and the bottom of the heat-conducting metal support plate of each group of LED light-emitting units is clamped between adjacent limiting convex strips through the second boss;
the LED street lamp also comprises a guide cup for quickly positioning the installation of each group of LED luminous units, wherein the guide cup is arranged between the heat-conducting metal cup and the support sheet and is of a hollow structure with a large upper part and a small lower part and an upper opening and a lower opening, a first threading hole of the heat-conducting metal cup is positioned at the opening position of the guide cup, the outer diameter of the opening at the bottom end of the guide cup is larger than the inner diameter of a third threading hole of the support sheet, the third threading hole is positioned at the center of the support sheet, a limit sleeve for limiting the displacement of the guide cup is arranged on the top surface of the support sheet at the periphery of the third threading hole in a surrounding manner, and the bottom end; the outer side wall of the lower end part of the guide cup is provided with an annular clamping groove or a buckle, the inner wall of the limiting sleeve is provided with a plurality of buckles or annular clamping grooves corresponding to the positions of the annular clamping grooves or the buckles, and the buckles and the annular clamping grooves are matched to fix the relative positions of the support sheet and the guide cup.
The rapid positioning and installation of the LED light-emitting unit can be realized through the matching of the limiting convex strip, the guide cup and the second boss on the LED light-emitting unit.
The outer wall of the heat-conducting metal supporting plate, which faces away from the central axis of the lamp holder, is also provided with a plurality of positioning ribs, the positioning ribs are arranged around the periphery of the corresponding light source plate to form grooves, and the light source plate is arranged in the grooves.
This recess makes things convenient for the quick installation of light source board.
The light source mounting shell of each group of LED light-emitting units further comprises a transparent cover and a sealing ring, the transparent cover covers the outside of the light source plate, an annular groove is formed in the edge of one side, facing the light source plate, of the transparent cover, and the sealing ring is mounted in the annular groove; a plurality of second screw columns extending towards the central axis direction of the lamp holder are arranged in the transparent cover; and a plurality of ninth screw holes corresponding to the positions of the second screw columns are further formed in the heat-conducting metal supporting plate, and the transparent cover is fixed with the heat-conducting metal supporting plate through screws sequentially penetrating through the ninth screw holes and the second screw columns.
The transparent cover adopts optical grade transparent PC plastic material, and the luminousness is high and mechanical strength is good, and whole lamp plastics evenly reach fire-retardant V0 level, satisfies outdoor service conditions completely. And the waterproof performance of the LED street lamp is realized by matching with the sealing ring.
The top of the power supply protective cover is also provided with an annular supporting rib, and the bottom surface of the lampshade is pressed against the top surface of the annular supporting rib.
The setting of cyclic annular brace rod makes the lamp shade can compress tightly the power protection casing on heat conduction metal cup inner chamber diapire through the power protective cover when fixed lamp shade for overall structure is more firm.
Be equipped with hollow post and a plurality of brace rod in the power protection casing inner chamber, the one end of every brace rod is connected with the power protection casing inside wall, and the other end is connected with power protection casing diapire, and hollow post encloses to be established at second through wires hole periphery edge.
The arrangement of the supporting ribs and the hollow columns can support and fix the power circuit placed in the inner cavity of the power protection cover.
The side edges on two sides of the outer end part of each first boss are provided with first limiting ribs extending vertically downwards, and each first limiting rib is inserted between adjacent heat-conducting metal supporting plates.
The arrangement of the first limiting ribs facilitates quick positioning and fixing of the heat-conducting metal cup and the LED light-emitting unit.
Compared with the prior art, the utility model discloses the application has following advantage:
1) the LED street lamp provided by the application surrounds the LED light-emitting unit, and the light-emitting surface of the light source plate is acute to the ground, so that the light can irradiate the ground obliquely downwards all around, and the sufficient light on the ground all around is ensured. The lamp holder can be directly installed on the existing lamp holder with an upward opening without modifying the existing lamp holder, and has the advantages of reasonable structural design, wide application and low cost;
2) the continuous heat dissipation system is formed by the interval design among the LED light-emitting units, the power circuit, the heat-conducting glue, the power protective cover, the heat-conducting circuit of the heat-conducting metal cup and the heat dissipation holes in the lampshade, so that the heat dissipation effect of the LED street lamp is good;
3) the heat dissipation effect of the LED street lamp is further improved by the metal lampshade, the heat conduction metal support plate, the heat conduction metal cup, the heat conduction circuit of the lampshade, the power circuit, the heat conduction glue, the power protection cover, the heat conduction metal cup and the heat conduction circuit of the lampshade;
4) the arrangement of the connecting circuit board simplifies the whole electric connection structure of the LED street lamp and improves the production efficiency;
5) the limiting convex strips, the guide cup and the second boss on the LED light-emitting unit are matched to realize the rapid positioning and installation of the LED light-emitting unit;
6) compared with the prior art, the utility model discloses the application has safety, pleasing to the eye, heat dispersion is good, light resource utilization is high advantage.
Drawings
Fig. 1 is an assembly structure diagram of the LED street lamp according to the present invention;
fig. 2 is a sectional view taken along a line a-a of an assembly structure of the LED street lamp according to the present invention;
fig. 3 is a structural exploded view of the LED street lamp according to the present invention;
fig. 4 is a structural diagram of the connection circuit board of the LED street lamp according to the present invention;
fig. 5 is a first structural diagram of a support sheet of the LED street lamp according to the present invention;
fig. 6 is a second structural diagram of the support sheet of the LED street lamp according to the present invention;
fig. 7 is a structural diagram of a guide cup of the LED street lamp according to the present invention;
fig. 8 is a first structural diagram of the heat-conducting metal support plate of the LED street lamp according to the present invention;
fig. 9 is a second structural diagram of the heat-conducting metal support plate of the LED street lamp according to the present invention;
fig. 10 is a structural view of a light source board of the LED street lamp according to the present invention;
fig. 11 is a structural diagram of a transparent cover of the LED street lamp according to the present invention;
fig. 12 is an assembly structure view of the LED light emitting unit of the LED street lamp according to the present invention;
fig. 13 is a structural exploded view of the LED light emitting unit of the LED street lamp according to the present invention;
fig. 14 is a sectional view taken along a line a-a of an LED lighting unit of the LED street light according to the present invention;
fig. 15 is a first structural view of the heat conducting metal cup of the LED street lamp according to the present invention;
fig. 16 is a second structural diagram of the heat-conducting metal cup of the LED street lamp according to the present invention;
fig. 17 is a structural diagram of a power protection cover of the LED street lamp according to the present invention;
fig. 18 is a structural diagram of a power protection cover of the LED street lamp according to the present invention;
fig. 19 is a first structural view of a lampshade of the LED street lamp according to the present invention;
fig. 20 is a second structural diagram of the lampshade of the LED street lamp according to the present invention.
Description of reference numerals:
the lamp holder comprises a lamp cap 1, an upper cover 2, a connecting circuit board 3, a support sheet 4, a guide cup 5, a heat-conducting metal support plate 6, a light source plate 7, a transparent cover 8, a seal ring 9, a heat-conducting metal cup 10, a power protection cover 11, a power protection cover 12, a power circuit 13, a lampshade 14, an upper cover screw hole 2-1, a fourth thread hole 3-1, a sixth screw hole 3-2, a second square hole 3-3, a notch 3-4, a first screw post 4-1, a limiting convex strip 4-2, a first screw hole 4-3, a first square hole 4-4, a third thread hole 4-5, a limiting sleeve 4-6, a buckle 4-6-1, an annular buckle groove 5-1, a groove 6-1, a positioning rib 6-2, an eighth screw hole 6-3, a fin 6-4, a fourth screw hole 6-5, a buckle 4-6, 6-6 parts of a second boss, 6-7 parts of a ninth screw hole, 7-1 parts of a connector, 7-2 parts of a seventh screw hole, 8-1 parts of an annular groove, 8-2 parts of a second screw column, 10-1 parts of a first boss, 10-2 parts of a first thread hole, 11-1 parts of a hollow column, 11-2 parts of a support rib, 11-3 parts of a second thread hole, 12-1 parts of an annular support rib, 14-1 parts of a heat dissipation hole, 14-2 parts of a fifth screw hole, 14-3 parts of a third screw column, 6-6-1 parts of a second screw hole, 10-1-1 parts of a first limiting rib, 10-1-2 parts of a third screw hole and 14-3-1 parts of a second limiting rib.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings 1-20 of the specification.
As shown in fig. 1-20, the LED street lamp of the present invention comprises a lamp cap 1, an upper cover 2, a power circuit 13 and a plurality of LED light emitting units, wherein the lamp cap 1 is made of a conductive material, and the upper cover 2 is made of an insulating material; the upper cover 2 is a hollow structure with openings at the upper and lower parts, and the bottom of the upper cover is fixed at the opening at the upper end of the lamp holder 1; the LED light-emitting units are distributed at intervals around the central axis of the lamp holder 1, each group of LED light-emitting units comprises a light source plate 7 and a light source mounting shell used for fixedly mounting the light source plate 7 above the top of the upper cover 2, and the distance from the top of the light source plate 7 of each group of LED light-emitting units to the central axis of the lamp holder 1 is greater than the distance from the bottom of the light source plate 7 to the central axis of the lamp holder 1, so that the light-emitting surface of the light source plate 7 irradiates light to the ground at an inclined angle; one end of the power circuit 13 is connected with the light source plate 7 on each group of LED light-emitting units through a wire, and the other end is connected with the lamp holder 1 through a wire.
The LED street lamp also comprises a support sheet 4, a heat-conducting metal cup 10, a power supply protective cover 11, a power supply protective cover 12 and a lampshade 14, wherein the inner edge of the upper opening of the upper cover 2 is step-shaped, and a plurality of upper cover screw holes 2-1 are vertically formed in the step;
the support sheet 4 is placed on a step at the opening of the upper cover 2, a plurality of first screw posts 4-1 which penetrate through the support sheet 4 and extend downwards from the bottom surface of the support sheet 4 are arranged on the support sheet 4, and the positions of the first screw posts 4-1 correspond to the positions of the screw holes 2-1 of the upper covers so that screws sequentially penetrate through the support sheet 4 and the screw holes 2-1 of the upper covers to fixedly install the support sheet 4 on the upper cover 2; the support sheet 4 is provided with third thread holes 4-5 which run through the support sheet 4 from top to bottom, the support sheet 4 is also provided with a plurality of first screw holes 4-3 which are arranged at intervals around the center of the support sheet 4, the bottom of the light source installation shell of each group of LED light-emitting units is provided with second screw holes 6-6-1, and the light source installation shell of each group of LED light-emitting units is fixedly connected to the top of the support sheet 4 through screws which run through the second screw holes 6-6-1 and the corresponding first screw holes 4-3;
the heat conducting metal cup 10 is arranged in a cavity formed by surrounding each group of LED light-emitting units, the heat conducting metal cup 10 is of a cylindrical structure with an upper opening and a lower end closed, a plurality of first bosses 10-1 extending outwards to the right above the top of each group of LED light-emitting units are arranged at intervals on the periphery of the upper opening, fourth screw holes 6-5 are vertically arranged on the top of the light source mounting shell of each group of LED light-emitting units, and third screw holes 10-1-2 which vertically penetrate through the heat conducting metal cup and correspond to the fourth screw holes 6-5 of each group of LED light-emitting units are arranged on each first boss 10-1; the middle part of the bottom wall of the heat-conducting metal cup 10 is provided with a first threading hole 10-2;
the power supply protective cover 11 is a tubular structure with an opening at the upper end and a closed lower end, the power supply protective cover 12 is covered and fixed at the opening at the upper end of the power supply protective cover 11, the power supply protective cover 11 and the power supply protective cover 12 are both arranged in the inner cavity of the heat-conducting metal cup 10, and the power supply circuit 13 is arranged in the power supply protective cover 11 and is fixedly connected with the power supply protective cover 11 through heat-conducting glue; the power supply protective cover 11 and the power supply protective cover 12 are both made of heat-conducting insulating materials; a second threading hole 11-3 is formed in the bottom wall of the power supply protective cover 11, and a lead of the power supply circuit 13, which is used for connecting the light source plate 7 and the lamp cap 1, sequentially penetrates through the second threading hole 11-3, the first threading hole 10-2 and the third threading hole 4-5;
the lampshade 14 covers the upper end opening of the cavity formed by the surrounding of each group of LED light-emitting units, the lampshade 14 is provided with a plurality of heat dissipation holes 14-1 and a plurality of fifth screw holes 14-2, the fifth screw holes 14-2 correspond to the positions of the fourth screw holes 6-5, and the lampshade 14 is fixedly connected with the heat conduction metal cup 10 and the light source installation shell of each group of LED light-emitting units through screws which sequentially penetrate through the fifth screw holes 14-2 of the lampshade 14, the third screw holes 10-1-2 of the heat conduction metal cup 10 and the fourth screw holes 6-5 at the top of the light source installation shell of each group of LED light-emitting units.
The light source mounting shell of each group of LED light-emitting units comprises a heat-conducting metal supporting plate 6, fourth screw holes 6-5 are formed in the top of the heat-conducting metal supporting plate 6, the light source plate 7 is attached to the outer wall of one side, opposite to the central axis of the lamp holder 1, of the heat-conducting metal supporting plate 6, seventh screw holes 7-2 and eighth screw holes 6-3 corresponding in position are formed in the light source plate 7 and the heat-conducting metal supporting plate 6 respectively, and the heat-conducting metal supporting plate 6 is fixed with the light source plate 7 through screws penetrating through the eighth screw holes 6-3 and the seventh screw holes 7-2; the outer wall of one surface of the heat-conducting metal supporting plate 6 facing the central axis of the lamp holder 1 is provided with a plurality of fins 6-4 which extend from top to bottom, are distributed at intervals around the central axis of the lamp holder 1 and are parallel to each other; the lamp housing 14 is a heat-conducting metal lamp housing.
The light source plate 7 comprises a substrate and a plurality of LED lamp beads arranged on the substrate, the bottom end part of the substrate is a connector 7-1, the connector 7-1 extends downwards out of the bottom end surface of the heat-conducting metal support plate 6, and the surface of the connector is provided with welding spots;
the support sheet 4 is also provided with a plurality of first square holes 4-4 which are distributed at intervals around the center of the support sheet 4, and the shape, size and position of each first square hole 4-4 are adapted to the connecting heads 7-1 of the light source plates 7 of each group of LED light-emitting units;
the LED street lamp also comprises a connecting circuit board 3, the connecting circuit board 3 is arranged in the opening on the upper cover 2, and is positioned between the step surface of the upper cover 2 and the support sheet 4, the bottom surface of the edge of the connecting circuit board 3 is abutted against the step, a fourth threading hole 3-1 is arranged on the connecting circuit board 3, a plurality of second square holes 3-3 corresponding to the shape, size and position of each first square hole 4-4 and a plurality of sixth screw holes 3-2 corresponding to the position of each first screw hole 4-3 are also formed on the LED light-emitting unit, and a screw between a second screw hole 6-6-1 connected to the bottom of the light source mounting shell of each group of LED light-emitting units and the first screw hole 4-3 of the support sheet 4 further penetrates through the sixth screw holes 3-2, so that the light source mounting shell of the LED light-emitting units, the support sheet 4 and the connecting circuit board 3 are fixedly connected together; the edge of the connecting circuit board 3 is also provided with a plurality of notches 3-4 which correspond to the positions of the upper cover screw holes 2-1 and expose the upper cover screw holes 2-1, and screws between the first screw posts 4-1 connected to the supporting sheets 4 and the upper cover screw holes 2-1 of the upper cover 2 also penetrate through the notches 3-4;
the connector 7-1 penetrates through the first square hole 4-4 and the second square hole 3-3 in sequence, is welded with the connecting circuit board 3 through welding spots, is used for connecting a power circuit 13 and a wire of the light source board 7 with the connecting circuit board 3 in a conductive connection mode, is in conductive connection with the light source boards 7 of the LED light-emitting units through the connecting circuit board 3, and penetrates through the fourth threading hole 3-1 to enable the power circuit 13 and the light head 1 to be connected.
The top surface of the supporting sheet 4 is provided with a plurality of limiting convex strips 4-2 which are radially distributed around the center of the supporting sheet 4, and each limiting convex strip 4-2 is positioned between two adjacent first square holes 4-4;
the bottom end edge of the heat-conducting metal support plate 6 of each group of LED light-emitting units is also provided with a second boss 6-6 extending towards the central axis direction of the lamp holder 1, the second boss 6-6 is fan-shaped or triangular, a second screw hole 6-6-1 is arranged on the second boss 6-6, and the bottom of the heat-conducting metal support plate 6 of each group of LED light-emitting units is clamped between the adjacent limiting convex strips 4-2 through the second boss 6-6;
the LED street lamp also comprises a guide cup 5 for quickly positioning the installation of each group of LED luminous units, wherein the guide cup 5 is arranged between the heat-conducting metal cup 10 and the support sheet 4 and is of a hollow structure with a large upper part and a small lower part and an upper opening and a lower opening, a first threading hole 10-2 of the heat-conducting metal cup 10 is positioned at the opening position of the guide cup 5, the outer diameter of the opening at the bottom end of the guide cup 5 is larger than the inner diameter of a third threading hole 4-5 of the support sheet 4, the third threading hole 4-5 is positioned at the center of the support sheet 4, a limiting sleeve 4-6 for limiting the displacement of the guide cup 5 is arranged on the top surface of the support sheet 4 around the periphery of the third threading hole 4-5, and the bottom end of the guide cup 5 is sleeved; an annular buckle groove 5-1 or a buckle 4-6-1 is arranged on the outer side wall of the lower end part of the guide cup 5, a plurality of buckles 4-6-1 or annular buckle grooves 5-1 corresponding to the positions of the annular buckle groove 5-1 or the buckle 4-6-1 are arranged on the inner wall of the limiting sleeve 4-6, and the buckle 4-6-1 and the annular buckle 4-6-1 are matched with the groove 5-1 to fix the relative positions of the support sheet 4 and the guide cup 5.
The outer wall of the heat-conducting metal support plate 6, which is opposite to the central axis of the lamp holder 1, is also provided with a plurality of positioning ribs 6-2, the positioning ribs 6-2 are surrounded at the peripheral positions corresponding to the light source plate 7 to form grooves 6-1, and the light source plate 7 is placed in the grooves 6-1.
The light source mounting shell of each group of LED light-emitting units further comprises a transparent cover 8 and a sealing ring 9, the transparent cover 8 covers the outside of the light source plate 7, an annular groove 8-1 is formed in the edge of one side, facing the light source plate 7, of the transparent cover 8, and the sealing ring 9 is mounted in the annular groove 8-1; a plurality of second screw columns 8-2 extending towards the central axis direction of the lamp holder 1 are arranged in the transparent cover 8; a plurality of ninth screw holes 6-7 corresponding to the positions of the second screw posts 8-2 are further formed in the heat-conducting metal support plate 6, and the transparent cover 8 is fixed with the heat-conducting metal support plate 6 through screws sequentially penetrating through the ninth screw holes 6-7 and the second screw posts 8-2.
The top of the power source protecting cover 12 is also provided with a ring-shaped supporting rib 12-1, and the bottom surface of the lampshade 14 is pressed against the top surface of the ring-shaped supporting rib 12-1.
The inner cavity of the power supply protective cover 11 is internally provided with a hollow column 11-1 and a plurality of supporting ribs 11-2, one end of each supporting rib 11-2 is connected with the inner side wall of the power supply protective cover 11, the other end of each supporting rib 11-2 is connected with the bottom wall of the power supply protective cover 11, and the hollow column 11-1 is arranged around the peripheral edge of the second threading hole 11-3.
The side edges of two sides of the outer end part of each first boss 10-1 are respectively provided with a first limiting rib 10-1-1 which vertically extends downwards, and each first limiting rib 10-1-1 is inserted between adjacent heat conducting metal supporting plates 6.
The LED street lamp not only limits to above-mentioned embodiment, the all the time basis the utility model discloses any improvement or the replacement of principle all should be within the protection scope.
Claims (10)
1. An LED street lamp, its characterized in that: the LED lamp comprises a lamp cap (1), an upper cover (2), a power circuit (13) and a plurality of groups of LED light-emitting units, wherein the lamp cap (1) is made of a conductive material, and the upper cover (2) is made of an insulating material; the upper cover (2) is of a hollow structure with openings at the upper and lower parts, and the bottom of the upper cover is fixed at the opening at the upper end of the lamp holder (1); the LED illuminating units are distributed at intervals around the central axis of the lamp holder (1), each group of LED illuminating units comprises a light source plate (7) and a light source mounting shell used for fixedly mounting the light source plate (7) above the top of the upper cover (2), and the distance from the top of the light source plate (7) of each group of LED illuminating units to the central axis of the lamp holder (1) is greater than the distance from the bottom of the light source plate (7) to the central axis of the lamp holder (1), so that the light emitting surface of the light source plate (7) irradiates light to the ground at an inclined angle with the ground; one end of the power circuit (13) is connected with the light source plate (7) on each group of LED light-emitting units through a lead, and the other end is connected with the lamp holder (1) through a lead.
2. The LED street lamp according to claim 1, characterized in that: the LED street lamp also comprises a support sheet (4), a heat-conducting metal cup (10), a power supply protective cover (11), a power supply protective cover (12) and a lampshade (14), wherein the inner edge of the upper opening of the upper cover (2) is step-shaped, and a plurality of upper cover screw holes (2-1) are vertically formed in the step;
the support sheet (4) is placed on a step at the opening of the upper cover (2), a plurality of first screw columns (4-1) which penetrate through the support sheet (4) and extend downwards from the bottom surface of the support sheet (4) are arranged on the support sheet (4), and the positions of the first screw columns (4-1) and the screw holes (2-1) of the upper cover correspond to each other so that screws can penetrate through the support sheet (4) and the screw holes in sequence to fix the support sheet (4) on the upper cover (2); the supporting sheet (4) is provided with third threading holes (4-5) which penetrate through the supporting sheet (4) from top to bottom, the supporting sheet (4) is further provided with a plurality of first screw holes (4-3) which are arranged around the center of the supporting sheet (4) at intervals, the bottom of the light source mounting shell of each group of LED light-emitting units is provided with second screw holes (6-6-1), and the light source mounting shell of each group of LED light-emitting units is fixedly connected to the top of the supporting sheet (4) through screws which penetrate through the second screw holes (6-6-1) and the corresponding first screw holes (4-3);
the heat-conducting metal cup (10) is arranged in a cavity formed by surrounding each group of LED light-emitting units, the heat-conducting metal cup (10) is of a cylindrical structure with an opening at the upper end and a closed lower end, a plurality of first bosses (10-1) extending outwards to the right above the top of each group of LED light-emitting units are arranged at intervals on the periphery of the opening at the upper end, fourth screw holes (6-5) are vertically formed in the top of a light source mounting shell of each group of LED light-emitting units, and third screw holes (10-1-2) which vertically penetrate through the heat-conducting metal cup and correspond to the fourth screw holes (6-5) of each group of LED light-emitting units are formed in each first boss (10-1); a first threading hole (10-2) is formed in the middle of the bottom wall of the heat-conducting metal cup (10);
the power supply protective cover (11) is of a tubular structure with an opening at the upper end and a closed lower end, the power supply protective cover (12) is covered and fixed at the opening at the upper end of the power supply protective cover (11), the power supply protective cover (11) and the power supply protective cover (12) are both arranged in the inner cavity of the heat-conducting metal cup (10), and the power supply circuit (13) is arranged in the power supply protective cover (11) and is fixedly connected with the power supply protective cover (11) through heat-conducting glue; the power supply protective cover (11) and the power supply protective cover (12) are both made of heat-conducting and insulating materials; a second threading hole (11-3) is formed in the bottom wall of the power supply protective cover (11), and a wire used for connecting the power supply circuit (13) with the light source board (7) and the lamp cap (1) sequentially penetrates through the second threading hole (11-3), the first threading hole (10-2) and the third threading hole (4-5);
the LED lamp comprises a lampshade (14), a plurality of radiating holes (14-1) and a plurality of fifth screw holes (14-2) are formed in the lampshade (14), the fifth screw holes (14-2) correspond to the fourth screw holes (6-5), and the lampshade (14) is fixedly connected with a heat-conducting metal cup (10) and a light source mounting shell of each group of LED light-emitting units through screws which sequentially penetrate through the fifth screw holes (14-2) of the lampshade (14), the third screw holes (10-1-2) of the heat-conducting metal cup (10) and the fourth screw holes (6-5) in the top of the light source mounting shell of each group of LED light-emitting units.
3. The LED street lamp according to claim 2, characterized in that: the light source mounting shell of each group of LED light-emitting units comprises a heat-conducting metal supporting plate (6), fourth screw holes (6-5) are formed in the top of the heat-conducting metal supporting plate (6), the light source plate (7) is attached to the outer wall of the side, opposite to the central axis of the lamp holder (1), of the heat-conducting metal supporting plate (6), seventh screw holes (7-2) and eighth screw holes (6-3) corresponding in position are formed in the light source plate (7) and the heat-conducting metal supporting plate (6) respectively, and the heat-conducting metal supporting plate (6) is fixed with the light source plate (7) through screws penetrating through the eighth screw holes (6-3) and the seventh screw holes (7-2); the outer wall of one surface of the heat-conducting metal supporting plate (6) facing the central axis of the lamp holder (1) is provided with a plurality of fins (6-4) which extend from top to bottom, are distributed at intervals around the central axis of the lamp holder (1) and are parallel to each other; the lampshade (14) is a heat-conducting metal lampshade.
4. The LED street lamp according to claim 3, characterized in that: the light source plate (7) comprises a substrate and a plurality of LED lamp beads arranged on the substrate, the bottom end of the substrate is a connector (7-1), the connector (7-1) extends downwards out of the bottom end face of the heat-conducting metal support plate (6), and welding spots are arranged on the surface of the connector;
the support sheet (4) is also provided with a plurality of first square holes (4-4) which are distributed at intervals around the center of the support sheet (4), and the shape and size positions of each first square hole (4-4) are adapted to the connectors (7-1) of the light source plates (7) of the LED light-emitting units;
the LED street lamp also comprises a connecting circuit board (3), the connecting circuit board (3) is arranged in an upper opening of the upper cover (2) and is positioned between the step surface of the upper cover (2) and the support sheet (4), the bottom surface of the edge of the connecting circuit board (3) is abutted against the step, a fourth threading hole (3-1) is arranged on the connecting circuit board (3), a plurality of second square holes (3-3) corresponding to the shapes and the sizes of the first square holes (4-4) and a plurality of sixth screw holes (3-2) corresponding to the positions of the first screw holes (4-3) are also arranged on the connecting circuit board (3), a screw between the second screw holes (6-6-1) connected to the bottom of the light source mounting shell of each group of LED light-emitting units and the first screw holes (4-3) of the support sheet (4) is also communicated with the sixth screw holes (3-2), fixedly connecting a light source mounting shell of the LED light-emitting unit, a support sheet (4) and a connecting circuit board (3) together; the edge of the connecting circuit board (3) is also provided with a plurality of notches (3-4) which correspond to the positions of the upper cover screw holes (2-1) and expose the upper cover screw holes (2-1), and screws between the first screw columns (4-1) connected to the supporting sheets (4) and the upper cover screw holes (2-1) of the upper cover (2) penetrate through the notches (3-4);
the connector (7-1) sequentially penetrates through the first square hole (4-4) and the second square hole (3-3) and is welded with the connecting circuit board (3) through welding spots, a wire for connecting the power circuit (13) and the light source board (7) is in conductive connection with the connecting circuit board (3), the wire for connecting the power circuit (13) and the light source board (7) of each group of LED light-emitting units is in conductive connection with the connecting circuit board (3), and a wire for connecting the power circuit (13) and the lamp holder (1) penetrates through the fourth threading hole (3-1) to enable the power circuit (13) and the lamp holder (1) to be connected.
5. The LED street lamp according to claim 3, characterized in that: the top surface of the supporting sheet (4) is provided with a plurality of limiting convex strips (4-2) which are radially distributed around the center of the supporting sheet (4), and each limiting convex strip (4-2) is positioned between two adjacent first square holes (4-4);
the bottom end edge of the heat-conducting metal support plate (6) of each group of LED light-emitting units is also provided with a second boss (6-6) extending towards the central axis direction of the lamp holder (1), the second boss (6-6) is fan-shaped or triangular, a second screw hole (6-6-1) is formed in the second boss (6-6), and the bottom of the heat-conducting metal support plate (6) of each group of LED light-emitting units is clamped between the adjacent limiting convex strips (4-2) through the second boss (6-6);
the LED street lamp further comprises a guide cup (5) used for quickly positioning the installation of each group of LED light-emitting units, the guide cup (5) is arranged between the heat-conducting metal cup (10) and the support sheet (4) and is of a hollow structure with a large upper part and a small lower part and an upper opening and a lower opening, a first threading hole (10-2) of the heat-conducting metal cup (10) is positioned at the opening position of the guide cup (5), the outer diameter of the opening at the bottom end of the guide cup (5) is larger than the inner diameter of a third threading hole (4-5) of the support sheet (4), the third threading hole (4-5) is positioned at the center of the support sheet (4), a limiting sleeve (4-6) used for limiting the displacement of the guide cup (5) is arranged on the periphery of the third threading hole (4-5) on the top surface of the support sheet (4), and the bottom end of the guide cup (5) is sleeved in; the outer side wall of the lower end part of the guide cup (5) is provided with an annular clamping groove (5-1) or a buckle (4-6-1), the inner wall of the limiting sleeve (4-6) is provided with a plurality of buckles (4-6-1) or annular clamping grooves (5-1) corresponding to the positions of the annular clamping groove (5-1) or the buckle (4-6-1), and the buckle (4-6-1) and the annular clamping groove (5-1) are matched to fix the relative positions of the support sheet (4) and the guide cup (5).
6. The LED street lamp according to claim 3, characterized in that: the heat-conducting metal supporting plate (6) is also provided with a plurality of positioning ribs (6-2) on the outer wall of the side, facing away from the central axis of the lamp holder (1), the positioning ribs (6-2) are arranged around the periphery of the corresponding light source plate (7) to form a groove (6-1), and the light source plate (7) is placed in the groove (6-1).
7. The LED street lamp according to claim 6, characterized in that: the light source mounting shell of each group of LED light-emitting units further comprises a transparent cover (8) and a sealing ring (9), the transparent cover (8) covers the outside of the light source plate (7), an annular groove (8-1) is formed in the edge of one side, facing the light source plate (7), of the transparent cover (8), and the sealing ring (9) is mounted in the annular groove (8-1); a plurality of second screw columns (8-2) extending towards the central axis direction of the lamp holder (1) are arranged in the transparent cover (8); a plurality of ninth screw holes (6-7) corresponding to the positions of the second screw posts (8-2) are further formed in the heat-conducting metal support plate (6), and the transparent cover (8) is fixed with the heat-conducting metal support plate (6) through screws which sequentially penetrate through the ninth screw holes (6-7) and the second screw posts (8-2).
8. The LED street lamp according to claim 2, characterized in that: the top of the power supply protective cover (12) is also provided with an annular supporting rib (12-1), and the bottom surface of the lampshade (14) is pressed against the top surface of the annular supporting rib (12-1).
9. The LED street lamp according to claim 2, characterized in that: a hollow column (11-1) and a plurality of support ribs (11-2) are arranged in the inner cavity of the power supply protective cover (11), one end of each support rib (11-2) is connected with the inner side wall of the power supply protective cover (11), the other end of each support rib is connected with the bottom wall of the power supply protective cover (11), and the hollow column (11-1) is arranged around the peripheral edge of the second threading hole (11-3).
10. The LED street lamp according to claim 2, characterized in that: the side edges of two sides of the outer end part of each first boss (10-1) are respectively provided with a first limiting rib (10-1-1) which vertically extends downwards, and each first limiting rib (10-1-1) is inserted between adjacent heat-conducting metal supporting plates (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921959204.2U CN211315887U (en) | 2019-11-13 | 2019-11-13 | LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921959204.2U CN211315887U (en) | 2019-11-13 | 2019-11-13 | LED street lamp |
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| Publication Number | Publication Date |
|---|---|
| CN211315887U true CN211315887U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921959204.2U Active CN211315887U (en) | 2019-11-13 | 2019-11-13 | LED street lamp |
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| CN (1) | CN211315887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531407A (en) * | 2021-07-08 | 2021-10-22 | 深圳市美斯特光电技术有限公司 | Connect electric structure and LED lighting device thereof |
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2019
- 2019-11-13 CN CN201921959204.2U patent/CN211315887U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531407A (en) * | 2021-07-08 | 2021-10-22 | 深圳市美斯特光电技术有限公司 | Connect electric structure and LED lighting device thereof |
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