WO2019014972A1

WO2019014972A1 - Anti-collision led street lamp provided with foldable lamp post

Info

Publication number: WO2019014972A1
Application number: PCT/CN2017/095787
Authority: WO
Inventors: 刘俊; 刘杰; 赵莉; 邵翠珍
Original assignee: 江苏伏特照明集团有限公司
Priority date: 2017-07-18
Filing date: 2017-08-03
Publication date: 2019-01-24

Abstract

An anti-collision LED street lamp provided with a foldable lamp post comprises the lamp post (1), a lamp holder (33), a connecting rod, and an anti-collision buffer device (32). The lamp post (1) comprises an upper-segment post part (2) and a lower-segment post part (3). A rotating pin (7) is connected between the upper-segment post part (2) and the lower-segment post part (3). The two ends of the connecting rod are mounted on the upper-segment post part (2) and the lower-segment post part (3) respectively. The connecting rod comprises an upper pull rod part (8) and a lower pull rod part (9), and springs (10) are connected to the upper pull rod part (8) and a lower pull rod part (9). The lamp holder (33) is connected to the upper-segment post part (2) by emans of the connection rod (22). In the anti-collision LED street lamp provided with a foldable lamp post, because the lamp post (1) is foldable, great convenience is brought to the maintenance of an operator on the street lamp. A metal mesh frame buffer layer (19) is used on the anti-collision buffer device (32), which can effectively reduce the anti-collision impact and can protect both the street lamp rod (1) and a collision vehicle. The mounting is easy, the disassembly is convenient, and the mounting can be performed on site. The lamp holder (33) has a good heat dissipation effect and a long service life, and can well satisfy the needs of actual applications.

Description

Light pole folding anti-collision LED street light

Technical field

The utility model belongs to the technical field of street lamps, and particularly relates to an anti-collision LED street lamp with a light pole foldable.

Background technique

Street lamps are the most used lighting tools on the road. Because the street lamps stand on the roads with heavy traffic, they can be hit by vehicles at any time. Because the street lamps themselves are expensive and the poles are hard, accidents may cause vehicles and Damage to the lampposts is more likely to cause casualties in the car. In addition, the street light poles on the main road surface are high, and the maintenance and replacement of the lights requires the use of large lifting machinery for high-altitude operations. This type of operation not only brings safety hazards to the workers, but also requires more human and material resources. , the maintenance cost is high. When the LED of the prior art street lamp works, less than 30% of the electric energy converted into light energy, and the remaining electric energy almost becomes thermal energy, so that the temperature thereof rises, and if the junction temperature exceeds the maximum allowable temperature, the chip is overheated and damaged. The existing LED street lamps have poor heat dissipation performance, which affects the service life of the LED street lamps.

Utility model content

In view of the above problems in the prior art, it is an object of the present invention to provide a street lamp that avoids the above-mentioned technical drawbacks.

In order to achieve the above utility model, the technical solution provided by the utility model is as follows:

A lamp post collapsible anti-collision LED street lamp, comprising a lamp post, a lamp cap, a connecting rod and an anti-collision buffer device, the lamp post comprising an upper joint rod and a lower joint rod, wherein the upper joint rod and the lower joint rod are connected Rotating pin, two ends of the connecting rod are respectively mounted on the upper strut and the lower strut, the connecting rod includes a pull-up bar and a pull-down bar, and the upper pull-rod and the pull-down bar are connected with a spring; the lamp cap is connected to the upper through the connecting rod The lamp cap comprises a lamp housing, and a plurality of LED chips are arranged on the substrate inside the lamp housing, and a heat pipe with a return type is arranged under the substrate, and the liquid working medium flowing in the heat pipe is realized by a micro pump disposed on the heat pipe Circulating, a heat sink is further disposed above the heat pipe, a plurality of first heat sinks are disposed on the heat pipes on both sides of the heat sink, a fan is disposed above the heat sink; and an anti-collision buffer device is disposed at a lower end of the lower joint rod The anti-collision buffer device includes a concrete structure disposed at a periphery of a lower end of the lower joint rod, an anti-collision inner layer disposed at a periphery of the concrete construction, and disposed at the defense A metal mesh buffer layer striking the periphery of the inner layer, and a collision-proof outer layer disposed on the outer periphery of the metal mesh buffer layer.

Further, the end of the lamp housing is provided with a plurality of second fins.

Further, the upper joint rod is provided with a rotating strip with a positioning hole, and the lower joint rod is provided with a positioning pin, and the positioning hole on the rotating strip can be inserted into the positioning pin.

Further, the connecting portion of the pull rod and the pull rod is provided with a kit for fixing the pull rod and the pull rod.

Further, the two ends of the connecting rod are respectively detachably disposed on the upper and lower joint rods.

Further, the anti-collision inner layer is a spring layer filled with a sponge.

Further, the metal grid buffer layer is an anti-collision buffer array composed of steel bars.

Further, the top of the anti-collision buffer device has a pyramid shape.

Further, the outer surface of the anti-collision buffer device is provided with a reflective film.

The utility model provides a collapsible anti-collision LED street lamp, the lamp pole is foldable, and the operator stands on the ground and pulls the upper rod to the position close to the ground, so that the operator stands. On the ground, the lights on the street lamps can be replaced and repaired, which greatly facilitates the maintenance of the street lamps by the operators. The operation is convenient and simple, and the danger of high-altitude operation of the workers is avoided. No large lifting machinery is needed, and the operators are reduced. , greatly improve the work efficiency, save resources and manpower, reduce the operating cost; use the rotating pin to connect the upper and lower section rods, the depreciation rate is low, no need to change frequently; the anti-collision buffer device uses a metal mesh buffer layer, It can effectively reduce the impact impact, can protect the street lamp pole and protect the impacting vehicle, and is easy to install, easy to assemble and disassemble, can be installed on site, adopts the inclined top to avoid accidents caused by personnel climbing, external reflective materials, In the dim light and night can effectively identify the street light; the lamp head has good heat dissipation effect and long service life, which can meet the actual requirements well. It needs.

DRAWINGS

Figure 1 is a schematic view of the structure of the present invention, in which a cross-sectional view of the anti-collision buffer device is shown;

Figure 2 is a cross-sectional view showing a partial structure of the present invention;

Figure 3 is a schematic structural view of a lamp cap;

In the figure, 1, light pole; 2, upper joint rod; 3, lower joint rod; 4, rotating strip; 5, positioning pin; 6, positioning hole; 7, rotating pin; 8, pull rod; 10, spring; 11, kit; 12, raised; 13, first bolt; 14, first kit; 15, second bolt; 16, second kit; 17, concrete structure 18; anti-collision inner layer; 19, metal mesh buffer layer; 20, anti-collision outer layer; 21, basic connecting parts; 22, connecting rod; 23, lamp housing; 24, LED chip; 25, substrate; , heat pipe; 27, micro pump; 28, heat sink; 29, fan; 30, first heat sink; 31, second heat sink; 32, anti-collision buffer device; 33, lamp holder.

Detailed ways

In order to make the objects, technical solutions and advantages of the present invention more comprehensible, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

As shown in FIG. 1 and FIG. 2, a lamp post collapsible anti-collision LED street lamp includes a lamp post 1, a lamp cap 33 and an anti-collision buffer device 32. The lamp post 1 includes an upper strut 2 and a lower strut 3 A rotating pin 7 is connected between the upper strut 2 and the lower strut 3, and the LED street lamp further includes a connecting rod, and two ends of the connecting rod are respectively mounted on the upper strut 2 and the lower strut 3, and are connected The rod includes a pull rod 8 and a pull rod 9, and the pull rod 8 and the pull rod 9 are connected with a spring 10. The upper section bar 2 is provided with two first sleeves 14. The first set 14 is provided with through holes at both ends thereof, and the two first sets 14 are fixed to the upper section rod 2 by two first bolts 13, and the upper section rods are set. Between the two first sets 14, the lower section 3 is provided with two second sets 16, the second set 16 is provided with through holes at both ends, and the two second sets 16 are fixed by two second bolts 15 On the lower section rod 3, the lower section rod 3 is sleeved between the two second sets 15. The upper pull rod 8 is detachably connected with the upper joint rod 2, and the lower pull rod 9 is detachably connected with the lower joint rod 3, and the connecting rod is set by the adjustment of the first bolt 13, the first set 14, the second bolt 15, and the second set 16. At any position on the pole. The connecting portion of the upper pull rod 8 and the lower pull rod 9 is provided with a kit 11 for fixing the upper pull rod 8 and the lower pull rod 9, and the kit 11 is provided at the lower end of the upper pull rod 8 and the lower end of the pull rod 9. Three projections 12 for fixing the set 11 are provided on the side wall of the pull-down lever 9, and the three projections 12 are evenly distributed on the same circumference.

The light pole 1 is foldable. During operation, the pull rod 9 is pulled. The pull rod 9 drives the upper pull rod 8 to drive the upper joint rod 2. The upper joint rod 2 is provided with a rotating strip 4, and the upper joint rod 2 is disposed around the rotating pin 7. Under the movement, the operator can pull the upper section bar 2 to the position close to the ground by pulling the rod 9 by hand; after the operation is completed, the pull rod 9 is biased in the opposite direction, and the rotating rod 4 on the upper section 2 is The positioning hole 6 is inserted into the positioning pin 5 of the lower joint rod 3, so that the upper joint rod 2 is not rotated by the rotating pin 7 when the street light is in use. The kit 11 slides down under the action of its own gravity, and is sleeved on the outside of the spring 10 to fix the upper pull rod 8 and the pull rod 9 of the connecting rod, which is easy to operate, saves manpower and material resources, greatly improves work efficiency, and adopts rotation The pin is connected to the upper and lower knuckles, and the depreciation rate is low, so there is no need to change frequently.

The lower end of the lower section rod 3 is provided with an anti-collision cushioning device 32. The anti-collision cushioning device 32 includes a concrete structure 17 disposed at the periphery of the lower end of the lower section rod 3, and an anti-collision inner layer 18 disposed at the periphery of the concrete building 17, disposed in the a metal grid buffer layer 19 on the periphery of the collision prevention inner layer 18, a collision prevention outer layer 20 disposed on the periphery of the metal grid buffer layer 19, and adjacent layers in the collision buffering device 32, through the basic connection The bolts provided by the member 21 form a detachable connection, the anti-collision inner layer 18 is a spring layer filled with a sponge, the metal grid buffer layer 19 is a collision buffer array composed of steel bars, and the top of the anti-collision buffer device 32 is a cone. The outer shape of the anti-collision buffer device 32 is provided with a reflective film for passive reflection at night, which can serve as a reminder. When the crash cushioning device 32 is removed, the respective portions of the crash cushioning device 32 can also be disassembled by loosening the bolts of the base connecting member 21. The top of the anti-collision cushioning device 32 has a pyramid shape to avoid danger caused by human climbing. The anti-collision buffer device 32 can greatly reduce the impact force when the vehicle hits the street lamp, and the installation on the road surface can not only effectively avoid damage to the power equipment caused by the ram of the vehicle, but also reduce the damage of the ram and the personnel.

The lamp cap 33 is connected to the upper node bar 2 via a connecting rod 22, as shown in FIG. 3, the lamp cap 33 includes a lamp housing 23, and the substrate 25 inside the lamp housing 23 is provided with a plurality of LED chips 24, which are disposed under the substrate 25. There is a heat pipe 26 having a return type, and the liquid working medium flowing in the heat pipe 26 is circulated through a micropump 27 disposed on the heat pipe 26, and a heat sink 28 is disposed above the heat pipe 26, and heat pipes on both sides of the heat sink 28 A plurality of first fins 30 are disposed thereon, and a fan 29 is disposed above the heat sink 28. The second end of the lamp housing 23 is provided with a plurality of second fins 31. The heat of the LED chip 24 is transferred to the substrate 25, the liquid working medium in the heat pipe 26 below the substrate 25 carries away the heat, the liquid working medium evaporates, and the evaporated working medium transfers heat to the heat sink 28 and the first heat sink 30. And condensed into a liquid, the micropump 27 realizes the circulation of the liquid working medium in the heat pipe 26; the second heat sink 31 increases the overall heat dissipation performance of the lamp cap 33, and prolongs the service life of the lamp cap 33. The structure of the lamp cap 33 is novel, and the heat dissipation effect is good; the LED chip 24 is mounted on the substrate 25, and the liquid working medium in the heat pipe 26 below the substrate 25 is circulated and transported by the micropump 27, and the heat of the chip is taken away in time, and the lamp cap 33 has a long service life.

The utility model provides a collapsible anti-collision LED street lamp, the lamp pole is foldable, and the operator stands on the ground and pulls the upper rod to the position close to the ground, so that the operator stands. On the ground, the lights on the street lamps can be replaced and repaired, which is very convenient for the operators. The maintenance of the lamp is convenient and simple to operate, and also avoids the danger of high-altitude operation of the operator; no need for large lifting machinery, reducing the number of operators, greatly improving work efficiency, saving resources and manpower, reducing operating costs; connecting by rotating pin The upper and lower section rods have low depreciation rate and do not need to be replaced frequently. The anti-collision cushioning device adopts a metal mesh buffer layer, which can effectively reduce the impact impact force, protect the street lamp pole and protect the impact vehicle, and install Easy to assemble and disassemble, it can be installed on site. It adopts inclined top to avoid accidents caused by personnel climbing. External reflective materials can effectively identify street lights in dim light and nighttime. The lamp has good heat dissipation effect and long service life. The ground meets the needs of practical applications.

The embodiments described above are only illustrative of the embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims

A lamp post collapsible anti-collision LED street lamp, comprising: a lamp post, a lamp cap, a connecting rod and an anti-collision buffer device, the lamp post comprising an upper node bar and a lower node bar, an upper node bar and a lower node bar A rotating pin is connected between the two ends of the connecting rod respectively mounted on the upper strut and the lower strut, the connecting rod includes a pull-up bar and a pull-down bar, and the pull-up bar and the pull-down bar are connected with a spring; The rod is connected to the upper rod; the lamp head comprises a lamp housing, the LED substrate is provided on the substrate inside the lamp housing, and a heat pipe with a return type is arranged under the substrate, and the liquid working medium flowing in the heat pipe is disposed on the heat pipe The micropump realizes circulation, and the heat pipe is further provided with a heat sink. The heat pipes on both sides of the heat sink are provided with a plurality of first heat sinks, and a fan is arranged above the heat sink; the anti-collision buffer device is disposed under The lower end of the ganglion, the anti-collision cushioning device comprises a concrete structure disposed at the periphery of the lower end of the lower ganglion, an anti-collision inner layer disposed at the periphery of the concrete building, a metal mesh buffer layer disposed at the periphery of the anti-collision inner layer, and a setting In the metal mesh frame Layer in the peripheral outer crash.
The lamp post collapsible anti-collision LED street lamp of claim 1 , wherein the end of the lamp housing is provided with a plurality of second fins.
The lamp post collapsible anti-collision LED street lamp of claim 1 , wherein the upper strut is provided with a rotating strip with a positioning hole, and the lower strut is provided with a positioning pin, The positioning hole on the rotating strip can be inserted into the positioning pin.
The lamp post collapsible anti-collision LED street lamp according to claim 1, wherein the connecting portion of the pull rod and the pull rod is provided with a kit for fixing the pull rod and the pull rod.
The lamp post collapsible anti-collision LED street lamp of claim 1 , wherein the two ends of the connecting rod are respectively detachably disposed on the upper strut and the lower strut.
The lamp post collapsible anti-collision LED street lamp according to claim 1, wherein the anti-collision inner layer is a spring layer filled with a sponge.
The lamp post collapsible anti-collision LED street lamp according to claim 1, wherein the metal grid buffer layer is a collision buffer array composed of steel bars.
The lamp post collapsible anti-collision LED street lamp according to claim 1, wherein the top of the anti-collision buffer device has a pyramid shape.
The lamp post collapsible anti-collision LED street lamp according to claim 1, wherein the outer surface of the anti-collision buffer device is provided with a reflective film.