LED street lamp with heat radiation structure
Technical Field
The utility model belongs to lighting equipment, and particularly relates to an LED street lamp with a heat dissipation structure.
Background
The LED street lamp has the characteristics of energy saving, environment protection and durability, the LED street lamp at the present stage generally comprises a lamp body, a light source component, a heat radiation component, a lens and the like, wherein the light source component is arranged in the lamp body, the heat radiation component is connected with the light source component, the periphery of the lens is connected with the periphery of the lamp body so as to form a relatively closed accommodating space, the light source component is arranged on the lamp body in the accommodating space, and when the LED street lamp works, the light source component can generate corresponding heat, so that the LED street lamp is required to radiate heat by the heat radiation component.
Through retrieval, the street lamp provided by Chinese patent application No. CN106402761A comprises a shell and at least one light-emitting unit, wherein the shell is provided with a panel and a cavity, the panel comprises a front surface and a back surface, the at least one light-emitting unit is arranged on the front surface of the panel, the cavity is used for accommodating a driving power supply to supply power for the light-emitting unit, the back surface of the panel is provided with a plurality of cooling fins, the periphery of the panel is provided with a plurality of convection holes, the convection holes penetrate through the front surface and the back surface of the panel, each convection hole is arranged between two adjacent cooling fins, each cooling fin comprises a first cooling fin and a second cooling fin, and the first cooling fin and the second cooling fin are mutually perpendicular.
Above-mentioned prior art, through the heat dissipation convection of reinforcing fin on the basis of the heat that the luminescence unit produced by the fin diffusion, let the radiating effect of street lamp better, but above-mentioned prior art has a problem, and the convection orifice only sets up in the peripheral department of panel for the radiating effect in panel middle part is worse in the radiating effect of panel peripheral department, leads to the panel middle part heat dissipation slower, can have the circumstances emergence that the light source module that the overheat led to damages, therefore need to improve above-mentioned shortcoming.
Disclosure of utility model
The utility model aims to solve the problems, and provides the LED street lamp with the heat dissipation structure, which has the advantage that the overall heat dissipation effect of the lamp body is better.
In order to achieve the above purpose, the present utility model provides the following technical solutions: including casing and light emitting module, be equipped with the mounting panel on the casing, light emitting module install in the lower extreme of mounting panel, heat dissipation module is installed to the mounting panel upper end, heat dissipation module includes heating panel and a plurality of heat dissipation post, the heat dissipation post lower extreme with the mounting panel is connected, heat dissipation post upper end with the heating panel is connected, be equipped with a plurality of louvre on the heating panel, be formed with the heat dissipation passageway between heating panel, mounting panel and the heat dissipation post, the louvre with the heat dissipation passageway is linked together.
Preferably, the light emitting module includes a circuit board and a plurality of lamp beads integrated on the circuit board, and the heat dissipation columns are in one-to-one correspondence with the positions of the lamp beads.
Preferably, the heat dissipation holes and the heat dissipation columns are staggered on the heat dissipation plate.
Preferably, an open cavity is formed between the heat dissipation plate and the periphery of the mounting plate, and the heat dissipation channel is communicated to the atmosphere through the open cavity.
Preferably, the heat dissipation channel includes a plurality of first channels and second channels, the first channels, the second channels and the open cavities are mutually communicated, and the first channels and the second channels are mutually crossed.
Preferably, all the first channels and the second channels are staggered to form a grid shape.
Preferably, the heat dissipation post is a solid post.
Compared with the prior art, the utility model has the following beneficial effects:
According to the LED street lamp with the heat radiation structure, the heat radiation plate is arranged on the mounting plate of the shell through the heat radiation column, the light emitting module is also arranged on the other end face of the mounting plate, when the light emitting module is in an on state, light and heat can be generated, the heat generated by the light emitting module is transferred to the heat radiation plate through the heat radiation column, the heat radiation holes and the heat radiation plate are formed in the heat radiation plate, and the heat radiation channels are formed among the mounting plate and the heat radiation column, so that the heat generated by the light emitting module is radiated through the heat radiation channels and air circulation in the heat radiation holes, and the heat radiation effect is better, and the heat radiation effect of each position of the street lamp is the same.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic side view of a portion of the structure of the present utility model;
Fig. 4 is a schematic cross-sectional structure of the present utility model.
Description of the drawings: 1. a housing; 11. a mounting plate; 2. a heat dissipation module; 21. a heat dissipation plate; 22. a heat radiation hole; 23. a heat radiation column; 3. a heat dissipation channel; 30. an open cavity; 31. a first channel; 32. a second channel; 4. a light emitting module; 41. a circuit board; 42. and (5) a lamp bead.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, an LED street lamp with a heat dissipation structure comprises a housing 1 and a light emitting module 4, wherein a mounting plate 11 is arranged on the housing 1, the light emitting module 4 is mounted at one end of the mounting plate 11, a heat dissipation module 2 is mounted on the upper end surface of the mounting plate 11, the heat dissipation module 2 comprises a heat dissipation plate 21 and a plurality of heat dissipation columns 23, the lower ends of the heat dissipation columns 23 are connected with the mounting plate 11, the upper ends of the heat dissipation columns 23 are connected with the heat dissipation plate 21, a plurality of heat dissipation holes 22 are formed in the heat dissipation plate 21, and heat dissipation channels 3 are formed among the heat dissipation plate 21, the mounting plate 11 and the heat dissipation columns 23, and the heat dissipation holes 22 are communicated with the heat dissipation channels 3.
When the light-emitting module 4 emits light and generates heat, heat is transferred to the heat dissipation column 23 through the mounting plate 11 and then transferred to the heat dissipation plate 21 through the heat dissipation column 23, and the heat of the light-emitting module 4 is further dissipated through the heat dissipation channel 3 and the heat dissipation holes 22 by air flow, and the middle part of the light-emitting module 4 can be better dissipated.
The light emitting module 4 includes a circuit board 41 and a plurality of lamp beads 42 integrated on the circuit board 41, and the heat dissipation columns 23 are in one-to-one correspondence with the positions of the lamp beads 42.
Through the one-to-one correspondence of the heat dissipation columns 23 and the lamp beads 42, each lamp bead 42 can have good heat dissipation, so that the damage rate of the lamp beads 42 can be reduced, and the service life of the lamp beads 42 is prolonged.
The heat dissipation holes 22 and the heat dissipation posts 23 are arranged on the heat dissipation plate 21 in a staggered manner.
The staggered arrangement of the heat dissipation holes 22 and the heat dissipation posts 23 can maximize the heat dissipation effect of the heat dissipation holes 22 and the heat dissipation posts 23.
An open cavity 30 is formed between the heat dissipation plate 21 and the periphery of the mounting plate 11, the heat dissipation channel 3 is communicated to the atmosphere through the open cavity 30, and air circulation can be improved by blowing natural wind into the open cavity 30 and the heat dissipation channel 3, so that the heat dissipation effect of the street lamp is better.
The heat dissipation channel 3 includes a plurality of first channels 31 and second channels 32, the first channels 31, the second channels 32 and the open cavities 30 are mutually communicated, the first channels 31 and the second channels 32 are mutually crossed, and all the first channels 31 and the second channels 32 are staggered to form a grid shape.
The first and second passages 31 and 32 are formed in a staggered manner, so that the ventilation effect is improved, and the heat dissipation effect is improved.
The heat dissipation post 23 is a solid post, so that the heat conduction effect is better, thereby improving the heat dissipation effect.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.