CN110513636B

CN110513636B - Street lamp

Info

Publication number: CN110513636B
Application number: CN201910821898.1A
Authority: CN
Inventors: 万长年
Original assignee: Jiangsu Bosiwei Photoelectric Group Co ltd
Current assignee: Jiangsu Bosiwei Photoelectric Group Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2021-06-04
Anticipated expiration: 2039-09-02
Also published as: CN110513636A

Abstract

The invention relates to a street lamp.A lamp holder is fixed on a lamp post and comprises a lamp shell LED light source, a clapboard is arranged in the lamp shell to divide the interior of the lamp shell into a first space and a second space, the first space is positioned above the second space, the LED light source is fixed in the second space, and the edge height of the clapboard is lower than the height of the rest positions of the clapboard; a first channel is arranged at the edge of the partition plate, the first channel penetrates through the second space and extends out of the lamp shell, a second channel is arranged in the middle of the partition plate, and an outlet of the second channel is positioned in the first space and is higher than the upper surface of the partition plate; the top of the lamp shell is provided with a first air hole, and the first air hole and the outlet of the second channel are arranged in a staggered manner; an elastic pipe is arranged at the outlet of the second channel, and one end of the elastic pipe, which is not connected with the outlet of the second channel, is communicated with the corresponding first air hole; under the installation state, be formed with the least significant end on the elastic tube, the least significant end is less than the elastic tube other parts and is higher than the baffle upper surface, is provided with the through-hole with first space intercommunication on the least significant end. The street lamp provided by the invention improves the heat dissipation effect.

Description

Street lamp

Technical Field

The invention relates to the field of lighting devices, in particular to a street lamp.

Background

The street lamp is a lighting device fixed on the road, and with the development of the LED technology, the existing street lamp basically uses the LED lamp as a light source. As is well known, the service life of the LED lamp is directly influenced by the quality of heat dissipation, and the street lamp is generally exposed outdoors and needs to be rainproof, so that the street lamp on the market generally adopts a self-heat dissipation mode, and the heat dissipation effect is poor, so that the service life of the LED lamp is greatly shortened.

Disclosure of Invention

The invention aims to provide a street lamp with good heat dissipation effect and a rainproof function, so as to solve the technical problem.

The technical scheme of the application is as follows: a street lamp comprises a lamp post and a lamp holder, wherein the lamp holder is fixed on the lamp post, the lamp holder comprises a lamp housing and an LED light source fixed in the lamp housing, a partition plate is arranged in the lamp housing, the partition plate divides the space in the lamp housing into a first space and a second space, the first space is positioned above the second space, the LED light source is fixed in the second space, and the edge height of the partition plate is lower than the heights of the rest positions of the partition plate; a first channel communicated with the first space is arranged at the edge of the partition plate, the first channel penetrates through the second space and extends out of the lamp shell, a second channel communicated with the second space is arranged in the middle of the partition plate, and an outlet of the second channel is positioned in the first space and is higher than the upper surface of the partition plate; the top of the lamp shell is provided with first air holes which are arranged in one-to-one correspondence with the second channels, and the first air holes and the outlets of the second channels are arranged in a staggered manner; an outlet of the second channel is provided with an elastic pipe, and one end of the elastic pipe, which is not connected with the outlet of the second channel, is communicated with the corresponding first air hole; under the installation state, be formed with the least significant end on the elasticity pipe, the least significant end is less than the rest position of elasticity pipe and is higher than the upper surface of baffle, be provided with on the least significant end with the through-hole of first space intercommunication.

Preferably, the elastic pipe is provided with an arc bend, the opening of the arc bend is upward, and the bottom of the arc bend forms the lowest end.

Preferably, the adjacent elastic pipes are arranged in a crossed manner, the crossed positions of the elastic pipes are fixedly connected, the arc-shaped bends comprise a first arc-shaped bend and a second arc-shaped bend, and the bottom of the second arc-shaped bend forms the lowest end and is close to the outlet of the second channel corresponding to the second arc-shaped bend.

Preferably, the bottoms of the first arc-shaped bend and the second arc-shaped bend are provided with through holes communicated with the first space.

Preferably, the elastic tube is a rubber tube.

Preferably, the street lamp further comprises a second air hole communicated with the second space, and an outlet of the second air hole is arranged downwards.

Preferably, the street lamp further comprises a lamp arm, wherein the lamp arm is positioned at the top of the lamp post, one end of the lamp arm is connected with the lamp post, the other end of the lamp arm is connected with the lamp housing, and the lamp housing extends towards one side far away from the lamp post; the lamp arm is hollow, the interior of the lamp arm is communicated with the second space, and the second air hole is positioned at the bottom of the lamp arm; the lamp arm is provided with a plurality of first channels and a plurality of second channels, the first channels and the second channels are uniformly arranged, the outlet of the first channel close to one side of the lamp arm is located at the bottom end of the lamp arm, and the outlets of the rest first channels are located at the bottom end of the lamp housing.

Preferably, the rubber tube of the street lamp is replaced by a flow guide tube 9, one end of the flow guide tube is connected with the first air hole, and the other end of the flow guide tube is positioned in the first space and close to the edge of the partition plate.

According to the street lamp provided by the invention, under the condition that no rain falls, the heat emitted by the LED light source can be upwards discharged from the second space through the second channel via the elastic tube and the first air hole, and compared with a self-heat-dissipation mode, the heat-dissipation effect is improved; when raining, generally, the rainwater flowing in through the first air holes is less, so that the rainwater can be discharged into the first space through the through holes 3-92 and is discharged along the first channel, and the rainwater can take away part of heat in the first space in the discharging process due to the fact that the first channel penetrates through the first space, and heat dissipation of the LED lamp is facilitated. Of course, the partition, the first channel and the second channel are preferably made of a material with good heat dissipation, such as aluminum. If the rainwater through first air current is when more than, the rainwater can be detained at the arc department of bending at first for the gravity increase pulling elastic tube that the arc was bent out is whole warp and is moved down, at the in-process that warp and move down, the upper surface that the part that the elastic tube is located the export of second passageway is plugged up the export of second passageway, prevent that the rainwater from passing through the second passageway and getting into the second space, thereby further improved the rain-proof effect of street lamp, the rainwater that gets into the elastic tube is finally arranged to first space in the same direction as first passageway through-hole 3-92 and is discharged, when the rainwater that first gas pocket flowed in is less or does not have the rainwater to get into first gas pocket, the elastic tube reconversion.

Drawings

FIG. 1 is a schematic view showing the overall structure of embodiment 1;

fig. 2 shows one of the internal structural diagrams of the base of embodiment 1;

FIG. 3 shows an enlarged view of FIG. 2 at A;

fig. 4 is a schematic view showing a partial internal structure of a base of embodiment 2, wherein one of the elastic tubes is shown by a dotted line for the sake of convenience of distinction;

fig. 5 shows a second schematic internal structural view of the base of embodiment 1;

fig. 6 shows a schematic internal structural view of a base of embodiment 3;

in the figure: the LED lamp comprises a lamp post 1, a lamp arm 2, a lamp holder 3, a lamp housing 3-1, an LED light source 3-2, a partition plate 3-3, a first space 3-4, a second space 3-5, a first channel 3-6, an outlet 3-61 of the first channel, a second channel 3-7, a first air hole 3-8, an elastic tube 3-9, an arc-shaped bend 3-91, a through hole 3-92, a first arc-shaped bend 3-94, a second arc-shaped bend 3-95, a second air hole 7, a lead 8 and a guide tube 9.

Detailed Description

The invention is further illustrated by the following figures and examples.

Embodiment 1, the present invention provides a street lamp, referring to fig. 1 to 3, including a lamp post 1, a lamp arm 2 and a lamp cap 3, where the lamp cap is fixed on the lamp post through the lamp arm, the lamp post and the lamp arm may use an existing hollow structure to facilitate a wire to pass through and connect an LED lamp, the lamp cap includes a lamp housing 3-1 and an LED light source 3-2 fixed in the lamp housing, the LED light source may use an existing LED lamp form such as an LED lamp panel or an LED bulb, although the lower surface of the lamp housing is transparent to facilitate light transmission, which is well known to those skilled in the art, a partition plate 3-3 is provided in the lamp housing, the partition plate divides a space in the lamp housing into a first space 3-4 and a second space 3-5, the first space is located above the second space, and the LED light source is fixed in the second space, the height of the edge of the clapboard is lower than that of the rest positions of the clapboard, the general clapboard is in the shape of an upward convex spherical surface or an upward convex cambered surface, and the top surface of the lamp holder is also preferably set to be the upward convex spherical surface or the upward convex cambered surface so as to facilitate the rainwater to flow downwards; a first channel 3-6 communicated with the first space is arranged at the edge of the partition plate, the first channel penetrates through the second space and extends out of the lamp shell, a second channel 3-7 communicated with the second space is arranged in the middle of the partition plate, and the outlet of the second channel is positioned in the first space and is higher than the upper surface of the partition plate; the top of the lamp shell is provided with first air holes 3-8 which are arranged in one-to-one correspondence with second channels, the first air holes and outlets of the second channels are arranged in a staggered manner, the outlets of the second channels are provided with elastic tubes 3-9, the general second channels and the first air holes are arranged in one-to-one correspondence, and one ends of the elastic tubes, which are not connected with the outlets of the second channels, are communicated with the corresponding first air holes; in the installation state, the elastic tube is provided with a lowest end, the lowest end is lower than the rest parts of the elastic tube and higher than the upper surface of the partition plate, and the lowest end is provided with through holes 3-92 communicated with the first space. As a preferable mode, the elastic pipe is provided with an arc bend 3-91, the opening of the arc bend is upward, and the bottom of the arc bend forms the lowest end. The elastic tube is a silicone tube or a rubber tube.

In the embodiment, under the condition of no rain, the heat emitted by the LED light source can be upwards discharged from the second space through the second channel and the elastic tube and the first air hole, so that the heat dissipation effect is improved relative to a self-heat dissipation mode; when raining, generally, the rainwater flowing in through the first air holes is less, so that the rainwater can be discharged into the first space through the through holes 3-92 and is discharged along the first channel, and the rainwater can take away part of heat in the first space in the discharging process due to the fact that the first channel penetrates through the first space, and heat dissipation of the LED lamp is facilitated. Of course, the partition, the first channel and the second channel are preferably made of a material with good heat dissipation, such as aluminum. If the rainwater through first air current is when more than, the rainwater can be detained at the arc department of bending at first for the gravity increase pulling elastic tube that the arc was bent out is whole warp and is moved down, at the in-process that warp and move down, the upper surface that the part that the elastic tube is located the export of second passageway is plugged up the export of second passageway, prevent that the rainwater from passing through the second passageway and getting into the second space, thereby further improved the rain-proof effect of street lamp, the rainwater that gets into the elastic tube is finally arranged to first space in the same direction as first passageway through-hole 3-92 and is discharged, when the rainwater that first gas pocket flowed in is less or does not have the rainwater to get into first gas pocket, the elastic tube reconversion.

It should be noted that, some street lamps may not be provided with a lamp arm, and a general street lamp is arranged at the top of the lamp post to make the light of the street lamp irradiate downwards towards the middle of the road as much as possible, so that the lamp arm extends towards one side far away from the lamp post; the interior of the street lamp is communicated with the second space so that a lead 8 can penetrate through the LED lamp to connect a power supply device for the LED lamp, as a preferable technical scheme, referring to fig. 5, the street lamp further comprises a second air hole 7 communicated with the second space, the second air hole is positioned at the bottom of the lamp arm, and the outlet of the second air hole is downwards arranged to prevent rainwater from entering; generally, the first channels and the second channels are uniformly arranged, the outlets 3 to 61 of the first channels close to one side of the lamp arm are located at the bottom end of the lamp arm, and the outlets of the other first channels are located at the bottom end of the lamp housing. Of course, the outlets of the first channels may be disposed at the bottom end of the lamp arm or the bottom end of the lamp housing, which is not limited herein. Through setting up the second gas pocket, when the heat dissipation, according to the law of hot-air upward movement, when the outside hot air of venthole as hot-air was gone out to first gas pocket, the second gas pocket is admitted air and is supplied cold air to the inside gas of second space as the inlet port, more is favorable to the LED lamp heat dissipation like this. In addition, when the outlet of the second channel is plugged, the second air hole can also be used as a heat dissipation hole, and compared with a mode of helping the second channel to dissipate heat only by rainwater in the process of discharging through the first channel, the heat dissipation effect is better.

In the above embodiment, the elastic tube may connect the second passage and the first air vent as shown in fig. 2, and this structure is convenient for installation, as a preferred embodiment, see embodiment 2:

embodiment 2, embodiment 2 and embodiment 1 mainly differ in that, referring to fig. 4, the adjacent elastic tubes are arranged in a crossed manner and fixedly connected at the crossed position, the arc-shaped bends include first arc-shaped bends 3-94 and second arc-shaped bends 3-95, the bottoms of the second arc-shaped bends form the lowest end and are close to the outlet of the corresponding second channel, and preferably, the bottoms of the first arc-shaped bends and the second arc-shaped bends are provided with through holes communicated with the first space. This kind of structure, through setting up first arc and bending, when there is a little rainwater to flow in, first bending can at first be with making the water of downflow slow and form the buffering to it makes the elastic tube tend to gentle to sink, prevents that the rainwater velocity of flow is on the high side and leads to the export of second passageway not stifled tight and cause the sub-part rainwater to get into the second passageway, and because adjacent elastic tube alternately sets up and fixes, both pull each other, makes the export closure time of second passageway more tend to unanimity.

Embodiment 3, embodiment 3 differs from embodiment 1 mainly in that, referring to fig. 6, the rubber tube is replaced by a flow guide tube 9, one end of which is connected to the first air vent and the other end of which is not connected to the second channel but is located in the first space near the edge of the partition.

By adopting the structure, under the condition of no rain, the heat emitted by the LED light source can enter the first space from the second space through the second channel and then is discharged upwards through the flow guide pipe and the first air hole, and compared with a self-heat-dissipation mode, the heat-dissipation effect is improved; in addition, according to the law that hot-air moves upwards, when the first air vent outwards arranged the hot-air in first space as the outlet vent of hot-air, the first passageway can supplement outside cold air to the inside gas in first space as inlet channel to more be favorable to the first space heat dissipation, and then be favorable to first space and second space heat transfer, further improved the radiating effect of LED lamp. When rain exists, most of rainwater flows downwards through the periphery of the lamp housing through the upper surface of the lamp housing, and a few of rainwater enters the flow guide pipe through the air holes and is guided to the edge of the partition plate through the flow guide pipe; to facilitate drainage, the diameter of the second passage is preferably larger than the diameter of the draft tube.

In the above embodiment, in order to facilitate installation of the elastic tube, the partition plate may be detachably and hermetically connected to the lamp housing, or the partition plate may be welded in the lamp housing after the elastic tube is designed; the channel may be in the form of a conduit; the top or the side surface of the lamp shell can also be provided with an access hole or a mounting hole so as to be convenient for mounting and overhauling the elastic tube, and the access hole is detachably and hermetically connected with the sealing plate; this is well known to those skilled in the art and will not be described in detail here.

The above description is only for the purpose of illustrating preferred embodiments of the present invention and is not to be construed as limiting the present invention, and the terms first, second, etc. are used for distinguishing between similar terms and not for limiting the technical terms, and various modifications and variations of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A street lamp comprises a lamp post and a lamp cap, wherein the lamp cap is fixed on the lamp post and comprises a lamp shell and an LED light source fixed in the lamp shell,

a partition board is arranged in the lamp shell and divides the space in the lamp shell into a first space and a second space, the first space is positioned above the second space, the LED light source is fixed in the second space, and the edge height of the partition board is lower than the heights of the rest positions of the partition board;

a first channel communicated with the first space is arranged at the edge of the partition plate, the first channel penetrates through the second space and extends out of the lamp shell, a second channel communicated with the second space is arranged in the middle of the partition plate, and an outlet of the second channel is positioned in the first space and is higher than the upper surface of the partition plate;

the top of the lamp shell is provided with first air holes which are arranged in one-to-one correspondence with the second channels, and the first air holes and the outlets of the second channels are arranged in a staggered manner;

an outlet of the second channel is provided with an elastic pipe, and one end of the elastic pipe, which is not connected with the outlet of the second channel, is communicated with the corresponding first air hole;

under the installation state, be formed with the least significant end on the elasticity pipe, the least significant end is less than the rest position of elasticity pipe and is higher than the upper surface of baffle, be provided with on the least significant end with the through-hole of first space intercommunication.

2. The street lamp as claimed in claim 1, wherein the elastic tube is provided with an arc-shaped bend, the arc-shaped bend has an upward opening, and the bottom of the arc-shaped bend forms the lowest end.

3. The street lamp according to claim 2, wherein the adjacent elastic tubes are arranged in a crossed manner, the crossed positions are fixedly connected, the arc-shaped bends comprise a first arc-shaped bend and a second arc-shaped bend, and the bottom of the second arc-shaped bend forms the lowest end and is close to the outlet of the corresponding second channel.

4. The street lamp according to claim 3, wherein the bottom of the first and second curved bends are provided with through holes communicating with the first space.

5. The street light as claimed in claim 1, wherein the elastic tube is a rubber tube.

6. The street lamp according to claim 5, further comprising a second air hole communicating with the second space, wherein an outlet of the second air hole is downwardly disposed.

7. The street lamp according to claim 6, further comprising a lamp arm, wherein the lamp arm is located at the top of the lamp post, one end of the lamp arm is connected with the lamp post, and the other end of the lamp arm is connected with the lamp housing, so that the lamp housing extends to the side far away from the lamp post;

the lamp arm is hollow, the interior of the lamp arm is communicated with the second space, and the second air hole is positioned at the bottom of the lamp arm;

the lamp arm is provided with a plurality of first channels and a plurality of second channels, the first channels and the second channels are uniformly arranged, the outlet of the first channel close to one side of the lamp arm is located at the bottom end of the lamp arm, and the outlets of the rest first channels are located at the bottom end of the lamp housing.

8. The street light as claimed in claim 6, wherein the rubber tube is replaced by a flow guide tube, one end of the flow guide tube is connected with the first air hole, and the other end of the flow guide tube is positioned in the first space and close to the edge of the partition plate.