CN109084236B

CN109084236B - LED street lamp

Info

Publication number: CN109084236B
Application number: CN201810940395.1A
Authority: CN
Inventors: 陆曦; 庹荣鸥
Original assignee: Hangzhou Zgsm Technology Co ltd
Current assignee: Hangzhou Zgsm Technology Co ltd
Priority date: 2018-08-17
Filing date: 2018-08-17
Publication date: 2023-12-01
Anticipated expiration: 2038-08-17
Also published as: CN109084236A

Abstract

The utility model discloses an LED street lamp, wherein a pinch plate for locking a base and a cover body is arranged at a joint between a mounting assembly and a light-emitting assembly, the pinch plate is pivoted with the base, the pinch plate is divided into a locking part and an operating part by taking a pivot point as a boundary, the locking part is positioned in the joint and is matched with a fastener on the cover body in a locking state, and at least part of the operating part extends out of the joint and is provided with a reset spring with the base. According to the LED street lamp, the buckle plate for locking the base and the cover body is arranged at the joint between the mounting assembly and the luminous assembly, so that the buckle plate is hidden, the buckled structure of the base and the cover body is not directly exposed, and the LED street lamp is attractive; and the buckle plate is opened by only one hand, so that the cover body is more flexible to open and close.

Description

LED street lamp

Technical Field

The utility model relates to the technical field of lighting equipment, in particular to an LED street lamp.

Background

The LED light source is improved by several decades of technologies, has the advantages of high luminous efficiency, low power consumption, long service life, high safety and reliability, environmental friendliness and the like, becomes a main stream product of modern lamplight illumination, and is widely applied to the field of street lamp illumination.

In the prior art, the LED street lamp structure generally comprises a decoration component at the head part, a light-emitting component in the middle and a mounting component at the tail part, wherein the mounting component comprises a base with a waterproof groove and a cover body matched with the base to seal the waterproof groove, and a power supply drive electrically connected with the light-emitting component is arranged in the waterproof groove.

The cover body is fixedly connected with the base by screws in early stage, and is completely separated when being disassembled, which causes great inconvenience for maintenance of the LED street lamp in high-altitude operation. So the base and the cover are designed to be not separated from each other when being opened, and the maintenance is convenient.

The Chinese patent with the publication number of CN 203384771U discloses an LED street lamp convenient to assemble and disassemble, which consists of a head decorating part, a middle luminous part and a tail mounting part, wherein the mounting part comprises a body fixed with a side plate through a bolt and a cover body surrounding a cavity with the body, one end of the cover body is hinged with the body, and the other end of the cover body is fixedly connected with the body through the bolt. According to the structure, although the cover body is not separated from the body when being opened, the other end of the cover body is fixed by the bolt, a screwdriver is required to be used for operation when the cover body is opened and closed, certain inconvenience is caused for high-altitude operation, and the bolt is easy to rust after long-term sun and rain.

The Chinese patent of the utility model with the bulletin number of CN206802847U discloses an LED street lamp convenient to maintain, which comprises a lamp body with a waterproof groove, a cover body in sealing fit with the waterproof groove and a lamp post connecting seat, wherein a power supply is arranged in the waterproof groove, the cover body is positioned on the lower surface of the lamp body, one side of the cover body is hinged with the middle part of the lamp body, the other side of the cover body is in buckling connection with the lamp body, the lamp post connecting seat is arranged on the buckling connection side of the cover body and the lamp body, and when the cover body is opened for maintenance, the lamp body can freely rotate around a hinging point. In this prior art, the lamp body passes through buckle and lid lock joint, and the buckle exposes outside, influences the pleasing to the eye of LED street lamp to after long-term sun-drying rain drenches, the easy corrosion of elasticity connecting rod is ageing, influences the use.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides the attractive LED street lamp.

The utility model provides a LED street lamp, includes the installation component of the decoration subassembly of head, middle luminous element and afterbody, the installation component including have the waterproof groove the base, with the base cooperation is sealed the lid in waterproof groove, be provided with in the waterproof groove with the power drive of luminous element electricity connection, the seam crossing between installation component and the luminous element is provided with the locking the buckle of base and lid, buckle and base pin joint divide into locking part and operating portion with the pivot point as the boundary, the locking part is located in the seam, cooperates with the fastener on the lid at locking state, at least part of operating portion stretches out outside the seam to be provided with reset spring between with the base.

The operation part is provided with a positioning column which is in plug-in fit with the reset spring. One end of the reset spring is sleeved on the positioning column, the positioning column gradually tapers from the base to the free end, so that the reset spring is conveniently sleeved on the positioning column, and one end of the reset spring can be in interference fit with the positioning column to fix the reset spring. The other end of the return spring can be abutted against the side face of the base, so that the return spring cannot fall off from the positioning column in the use process. The baffle plate is arranged transversely below the reset spring on the base, and can support the reset spring from the bottom on one hand, so that the free end of the reset spring is prevented from being bent under the action of gravity; on the other hand, since an operation space is needed between the operation part and the side surface of the base, that is, a gap is reserved between the operation part and the base, the baffle plate can also avoid that the reset spring and other components are directly seen through the gap when the baffle plate is observed from the bottom surface of the LED street lamp.

The locking part is provided with a locking hook matched with the fastener, and the head part of the locking hook is provided with a guiding inclined plane. Preferably, the latch hook is provided at a tip of the locking portion. The guide inclined plane is convenient for the fastener to move to the inner side of the lock hook when being pressed down. A guiding inclined plane is also arranged below the fastener.

The side surface, opposite to the light-emitting component, of the mounting component is provided with a cavity for avoiding the pinch plate. The width of the pinch plate is smaller than that of the whole LED street lamp, so that the cavity is opened at the bottom surface of the mounting assembly, and two sides of the cavity are not opened, and the pinch plate is basically invisible from the side.

The cover has a ledge covering the cavity from the top surface. When the cover body is covered, the cavity is shielded by the convex eave from the top surface of the LED street lamp, so that the buckle plate is hidden, the buckle on the cover body is also shielded by the convex eave, and the convex eave and the cover body are integrally formed, so that the LED street lamp is attractive in appearance, and on the other hand, the buckle plate, the reset spring and the like can be prevented from being directly exposed to the outside and being subjected to sun and rain, and the occurrence of ageing and rust is slowed down.

The operating part covers the cavity from the bottom surface and is connected with the side wall of the base. The appearance of the operating part is matched and connected with the bending shape of the side wall of the base, so that the appearance is attractive.

One side of the cover body far away from the light-emitting component is hinged with the base. Therefore, after the buckle plate is released, one side of the cover body is turned over, and the other side of the cover body is hinged with the base, so that the cover body is incompletely separated and is convenient to maintain. The base is provided with a rotating shaft, and the cover body is provided with a shaft hole matched with the rotating shaft.

The novel cover is characterized in that a supporting frame for preventing the cover from being closed is arranged between the cover and the base, the supporting frame is of a U-shaped structure, two arms are hinged with the cover, and a limiting step matched with the top of the supporting frame is arranged on the base. After the cover body is opened, the cover body can be supported by propping the supporting frame against the limiting step, the cover body is kept in an opened state, and after the street lamp maintenance is completed, the supporting frame is released from the limiting step and the cover body is covered.

The two arms of the support frame are bent. The bending angle faces one side of the limiting step. Therefore, the pressure of the support frame to the limit step is smaller in component force in the horizontal direction, otherwise, if the component force in the horizontal direction is too large, the support frame easily slides out of the limit step, so that the support frame cannot support the cover body to keep an open state.

The waterproof groove is formed by surrounding a partition plate positioned on the inner side of the base, and the inner side surface of the cover body is provided with an annular groove which is embedded with the edge of the waterproof notch part. The installation component still has the accommodation chamber that holds pivot and strut, pivot and strut are hidden in the accommodation chamber, can't see from the outside, and is more pleasing to the eye like this.

The waterproof tank is internally provided with a control switch for controlling power supply driving, and the control switch comprises a socket and a plug which are arranged in a split mode and are independently fixed on the base and the cover body. When the cover body is covered, the plug and the socket are matched and conducted, and when the cover body is opened, the plug and the socket are separated, so that electric shock can not be generated in the street lamp maintenance process.

According to the LED street lamp, the buckle plate for locking the base and the cover body is arranged at the joint between the mounting assembly and the luminous assembly, so that the buckle plate is hidden, the buckled structure of the base and the cover body is not directly exposed, and the LED street lamp is attractive; and the buckle plate is opened by only one hand, so that the cover body is more flexible to open and close.

Drawings

Fig. 1 is a schematic top view of an LED street lamp according to the present utility model.

Fig. 2 is a cross-sectional view taken along A-A in fig. 1.

Fig. 3 is a partial enlarged view of B in fig. 2.

Fig. 4 is a partial enlarged view of C in fig. 2.

Fig. 5 is a schematic top view of the LED street lamp cover of the present utility model in an open state.

Fig. 6 is a sectional view taken along the direction D-D in fig. 5.

Fig. 7 is a partial enlarged view of E in fig. 6.

Fig. 8 is a schematic perspective view showing an opened state of the cover of the LED street lamp according to the present utility model.

Fig. 9 is a partial enlarged view of F in fig. 8.

Fig. 10 is a schematic side view of the buckle.

Fig. 11 is a schematic perspective view of the buckle plate.

Fig. 12 is an exploded view of the first module.

Fig. 13 is a cross-sectional view of a first module.

Fig. 14 is a schematic top view of a second module for an LED street lamp according to the present utility model.

Fig. 15 is a sectional view taken along the direction G-G in fig. 14.

Fig. 16 is an exploded view of a second module.

Fig. 17 is a cross-sectional view of a second module.

Detailed Description

Example 1

As shown in fig. 1 to 13, an LED street lamp includes a decorative component 1 at the head, a light-emitting component in the middle, and a mounting component 3 at the tail, where the light-emitting component includes two side plates 4 fixed on the mounting component 3 by bolts, and a module 2 (first embodiment) clamped between the two side plates 4, where the decorative component 1 is clamped with the side plates 4. The side of the mounting assembly 3 remote from the lighting assembly has a pole connection socket 34 for mounting the LED street lamp to a pole.

The mounting assembly 3 includes a base 31 having a waterproof groove 32, and a cover 33 for sealing the waterproof groove 32 in cooperation with the base 31, the waterproof groove 32 is surrounded by a partition 315 located inside the base 31, and an inner surface of the cover 33 has an annular groove 316 fitted with an edge of an opening of the waterproof groove 32. A power supply drive 35 electrically connected to the light emitting element is provided in the waterproof tank 32. A control switch 311 for controlling the power supply drive 35 is provided in the waterproof tank 32, and the control switch 311 includes a socket 3111 and a plug 3112 which are separately provided, and is independently fixed to the base 31 and the cover 33. When the cover 33 is covered, the plug 3112 and the socket 3111 are matched and conducted, and when the cover 33 is opened, the plug 3112 and the socket 3111 are separated, so that electric shock is prevented in the street lamp maintenance process.

The joint between the mounting component 3 and the luminous component is provided with a buckle plate 36 for locking the base 31 and the cover 33, the buckle plate 36 is pivoted with the base 31, the two sides of the buckle plate 36 are provided with pivots 3601, and the side surface of the base 31 is provided with pivot holes for the pivots 3601 to extend in. The buckle 36 is divided into a locking portion 3602 and an operation portion 3603 by a pivot point, the locking portion 3602 is located in the joint, the locking portion 3602 is matched with a fastener 318 on the cover 33 in a locked state, at least part of the operation portion 3603 extends out of the joint, and a return spring 37 is arranged between the operation portion and the base 31.

The operation unit 3603 has a positioning column 3604 that is inserted and fitted to the return spring 37. One end of the return spring 37 is sleeved on the positioning column 3604, the positioning column 3604 is gradually thinned from the base to the free end, so that the positioning spring 37 is conveniently sleeved on the positioning column 3604, and one end of the return spring 37 can be in interference fit with the positioning column 3604 to fix the return spring 37. The other end of the return spring 37 may abut the side of the base 31 so that the return spring 37 does not fall off the positioning post 3604 during use. The base 31 is provided with a baffle plate 312 which is transversely arranged below the return spring 37, and the baffle plate 312 can support the return spring 37 from the bottom on one hand and avoid the free end of the return spring 37 from bending under the action of gravity; on the other hand, since a space for operation is required between the operation portion 3603 and the side surface of the chassis 31, that is, a gap is provided between the operation portion 3603 and the chassis 31, the baffle 312 is provided so as to avoid the return spring 37 and other components from being directly seen through the gap when viewed from the bottom surface of the LED street lamp.

The locking portion 3602 is provided with a locking hook 3605 engaged with the fastener 318, and a head of the locking hook 3605 has a guide slope 3606. Preferably, the latch hook 3605 is provided at the top end of the locking portion 3602. The guide ramp 3606 facilitates movement of the catch 318 inwardly of the latch hook 3605 when depressed. A guide ramp is also provided below the catch 318.

The side of the mounting assembly 3 facing the light emitting assembly has a cavity 38 for receiving the pinch plate 36. The width of the pinch plate 36 is smaller than the width of the entire LED street lamp, and the cavity 38 is open at the bottom surface of the mounting assembly 3, but not open at both sides, so that the pinch plate 36 is substantially invisible from the side.

The cover 33 has a ledge 319 that covers the cavity 38 from the top surface. When the cover body 33 is covered, the cavity 38 is shielded by the convex eave 319 from the top surface of the LED street lamp, so that the buckle plate 36 is hidden, the buckle 318 on the cover body 33 is also shielded by the convex eave 319, and the convex eave 319 and the cover body 33 are integrally formed, so that on one hand, the LED street lamp is attractive, on the other hand, the buckle plate 36, the reset spring 37 and the like can be prevented from being directly exposed to the outside and being subjected to sun and rain, and the occurrence of aging corrosion is slowed down.

The operation portion 3603 covers the cavity 38 from the bottom surface and is engaged with the side wall of the base 31. The shape of the operation portion 3603 is matched and engaged with the curved shape of the side wall of the base 31, which is beautiful.

According to the LED street lamp, the buckle plate 36 is matched with the fastener 318, so that a spanner is not required for opening and closing the cover body 33, the buckle plate 36 is opened by only one hand, and the cover body 33 is more flexible to open and close. And the pinch plate 36 is hidden, so that the appearance is attractive.

The side of the cover 33 remote from the light emitting assembly is hinged to the base 31. Thus, after the buckle plate 36 is released, one side of the cover body 33 is unfolded, and the other side is hinged with the base 31, so that the cover body is incompletely separated and is convenient to maintain.

A supporting frame 39 for preventing the cover body 33 from being closed is arranged between the cover body 33 and the base 31, the supporting frame 39 is of a U-shaped structure, two arms are hinged with the cover body 33, and a limiting step 310 matched with the top of the supporting frame 39 is arranged on the base 31. After the cover 33 is opened, the cover 33 can be kept in an opened state by supporting the supporting frame 39 against the limiting step 310, and after the street lamp maintenance is completed, the supporting frame 39 is released from the limiting step 310 to cover the cover 33.

The two arms of the bracket 39 are arranged in a bent manner. The bending angle is toward one side of the limiting step 310. This makes it possible to make the pressure of the stay 39 against the restricting step 310 small in the component force in the horizontal direction, otherwise, if the component force in the horizontal direction is too large, the stay 39 easily slides out from the restricting step 310, so that the stay 39 cannot support the cover 33 to maintain the open state.

The base 31 is provided with a rotating shaft 313, and the cover 33 is provided with a shaft hole 314 matched with the rotating shaft 313. The base 31 is provided with a first hinging seat 320, and the limiting step 310 and the rotating shaft 313 are arranged on the first hinging seat 320; the cover 33 is provided with a second hinge seat 321, and the bracket 39 and the shaft hole 314 are arranged on the second hinge seat 321.

The mounting assembly 3 further has a receiving cavity 317, the receiving cavity 317 is formed by covering the cover 33 with the base 31, the receiving cavity 317 is located at one side of the mounting assembly 3 near the lamp post connecting seat 34, and the first hinge seat 320 and the second hinge seat 321 are disposed in the receiving cavity 317. By the design, all the part components at the hinge position can not be seen from the outside, so that the hinge position is attractive, and all the part components at the hinge position can be prevented from being directly exposed to the outside and being exposed to the sun and rain, and are not easy to rust and age.

The LED street lamp provided by the utility model is provided with two modules 2, and the two modules 2 are arranged in a straight line with the decoration component 1 and the installation component 3. The module 2 comprises a radiator 21 and an aluminum substrate 23 fixed on the radiator 21, a plurality of LEDs are welded on the aluminum substrate 23, a heat conducting sheet 22 is fixed between the aluminum substrate 23 and the radiator 21, and the heat conducting sheet 22 is used for assisting heat conduction and accelerating heat dissipation. The thermally conductive sheet 22 may be a graphite thermally conductive sheet.

The aluminum substrate 23 is provided with a printed circuit and connected to an output terminal of the power supply driver 35. Waterproof binding posts 29 are inlaid in the places, which are not covered by the aluminum substrate 23, of the edges of the radiator 21, and waterproof binding posts are correspondingly arranged on the base 31 and used for enabling wires to pass through and keeping a sealed waterproof state. One surface of the aluminum substrate 23 is closely attached to the radiator 21, the other surface of the aluminum substrate is closely attached to the lens plate 24, and the lens plate 24 is protruded to form a condensing lens with condensing effect corresponding to the position of each LED welded on the aluminum substrate 23.

One surface of the lens plate 24 is clung to the aluminum substrate 23, the other surface is clung to the reflecting cover 25, the reflecting cover 25 is a horn mouth, and the condensing lens of the lens plate 24 extends into the horn mouth. After the light generated by the LEDs is focused by the condensing lens, although most of the light irradiates towards the front, a large amount of light irradiates towards the side, and the direction of the light can be changed into the direction towards the front under the reflecting action of the reflecting cover 25, so that the LED street lamp irradiates brighter on one hand, and the temperature rise of the LED street lamp can be reduced on the other hand. The side, which is close to the lens plate 24, of the reflecting cover 25 is provided with a first inward folded edge 251, and the first folded edge 251 is provided with a fixing hole 252; the reflector 25 has an outwardly directed second flange 253 on the side facing away from the lens plate 24.

The aluminum substrate 23, the lens plate 24 and the reflecting cover 25 are provided with fixing holes at corresponding positions, and the reflecting cover 25, the lens plate 24 and the aluminum substrate 23 are simultaneously fixed to the heat sink 21 in series by screws passing through the fixing holes.

The module 2 further comprises a decorative cover 28 cooperating with the heat sink 21, the decorative cover 28 being fixed to the heat sink 21 by means of screws. The center of the decorative cover 28 is provided with a light-transmitting plate 26, and the light-transmitting plate 26 and the decorative cover 28 are made of glass. The light-transmitting plate 26 is sandwiched between the decorative cover 28 and the reflective cover 25. In the utility model, all LEDs welded on an aluminum substrate 23 are in one-to-one correspondence with condensing lenses on a lens plate 24, all the condensing lenses extend into a reflecting cover 25, one small opening end of the horn-shaped reflecting cover 25 faces the lens plate 24, one large opening end faces a light-transmitting plate 26, and the large opening of the reflecting cover 25 is covered by the size of the light-transmitting plate 26. The second flange 253 of the reflector 25 may be in close contact with the light-transmitting plate 26. The decorative cover 28 is provided with a notch 283 matched with the light-transmitting plate 26, the inner side of the notch 283 is provided with a pressing frame 281 for pushing the light-transmitting plate 26, and the inner ring of the pressing frame 281 is provided with a folded edge 282 turned over towards the light-transmitting plate 26.

In order to increase the sealability between the decorative cover 28 and the radiator 21, a sealing ring 27 is arranged between the decorative cover 28 and the radiator, and a mounting groove for accommodating the sealing ring 27 is arranged on the decorative cover 28.

The radiator 21 is ring-shaped and includes a mounting surface 211 for fixing the decorative cover 28 and the like, and two mounting arms 212 are respectively provided on both sides of the mounting surface 211, wherein one of the mounting arms 212 is provided with a waterproof binding post 29. The LED street lamp module provided by the utility model is matched with the reflector 25 through the lens plate 24, so that as much light as possible can be effectively utilized for road illumination. When as much light as possible is effectively utilized, the heat generated by the LED street lamp is reduced, and meanwhile, the heat dissipation can be assisted by arranging the heat conducting fins 22 between the aluminum substrate 23 and the radiator 21, so that the radiator 21 has good heat generation control level even if a large number of heat dissipation fins are not arranged to increase the heat dissipation area.

Example 2

As shown in fig. 14 to 17, the LED street lamp using the module according to the second embodiment of the present utility model has the same structure as the other parts of example 1, and only the module structure is different.

The module 2' comprises a radiator 21' and an aluminum substrate 23' fixed on the radiator 21', wherein a plurality of LEDs are welded on the aluminum substrate 23', and a heat conducting fin 22' is fixed between the aluminum substrate 23' and the radiator 21', and the heat conducting fin 22' is used for assisting heat conduction and accelerating heat dissipation. The thermally conductive sheet 22' may be a graphite thermally conductive sheet.

The radiator 21 'comprises a mounting surface 211' for fixing the aluminum substrate 23', and the like, wherein two sides of the mounting surface 211' are respectively provided with a mounting arm 212', one of the mounting arms 212' is provided with a waterproof binding post 29', and one surface of the mounting surface 211' away from the aluminum substrate 23 'is provided with a plurality of radiating fins 213' which are distributed at intervals.

One surface of the aluminum substrate 23' is closely attached to the radiator 21', and the other surface is closely attached to the lens plate 24', and the lens plate 24' is protruded to form a condensing lens with condensing effect corresponding to the position of each LED welded on the aluminum substrate 23 '. In this embodiment, the lens plate 24' is directly exposed to the outermost side, so that the lens plate 24' also has a function of a certain decorative cover, the middle of the lens plate 24' has a containing cavity 241' for containing the aluminum substrate 23' and the heat conducting fins 22', all the condensing lenses are arranged in the coverage of the containing cavity 241', the edge of the lens plate 24' is directly and fixedly mounted against the mounting surface 211', in order to increase the tightness with the radiator 21', a sealing ring 27' is arranged between the sealing ring and the mounting surface, and a mounting groove for containing the sealing ring 27' is arranged on the lens plate 24 '.

Claims

1. The LED street lamp comprises a head decoration component, a middle light-emitting component and a tail installation component, wherein the installation component comprises a base with a waterproof groove and a cover body matched with the base to seal the waterproof groove, a power supply drive electrically connected with the light-emitting component is arranged in the waterproof groove, the LED street lamp is characterized in that a pinch plate for locking the base and the cover body is arranged at a joint between the installation component and the light-emitting component, the pinch plate is pivoted with the base and is divided into a locking part and an operating part by taking a pivot point as a boundary, the locking part is positioned in the joint and matched with a fastener on the cover body in a locking state, at least part of the operating part extends out of the joint and is provided with a reset spring with the base,

the side surface of the mounting component, which is opposite to the light-emitting component, is provided with a cavity for avoiding the pinch plate,

the cover body is provided with a convex eave which covers the cavity body from the top surface,

the operating part covers the cavity from the bottom surface and is connected with the side wall of the base,

the cavity is opened at the bottom surface of the mounting component, and two sides of the cavity are not opened,

the fastener on the cover body is covered by the protruding eave, and the protruding eave and the cover body are integrally formed.

2. The LED street lamp of claim 1, wherein the operating portion has a positioning post that is in plug-in engagement with a return spring.

3. The LED street lamp of claim 1, wherein the locking portion is provided with a locking hook matched with the fastener, and a head of the locking hook is provided with a guiding inclined plane.

4. The LED street lamp of claim 1, wherein a side of the cover remote from the light assembly is hinged to the base.

5. The LED street lamp of claim 4, wherein a bracket for preventing the cover from being closed is arranged between the cover and the base, the bracket is of a U-shaped structure, two arms are hinged with the cover, and a limit step matched with the top of the bracket is arranged on the base.

6. The LED street lamp of claim 5, wherein the two arms of the bracket are bent.

7. The LED street lamp of claim 1, wherein a control switch for controlling the power supply drive is provided in the waterproof tank, and the control switch comprises a socket and a plug which are separately provided and are independently fixed on the base and the cover.