CN211450845U - Heat dissipation mechanism of LED street lamp and LED street lamp using same - Google Patents
Heat dissipation mechanism of LED street lamp and LED street lamp using same Download PDFInfo
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- CN211450845U CN211450845U CN202020154466.8U CN202020154466U CN211450845U CN 211450845 U CN211450845 U CN 211450845U CN 202020154466 U CN202020154466 U CN 202020154466U CN 211450845 U CN211450845 U CN 211450845U
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- heat dissipation
- lampshade
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- street lamp
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Abstract
The utility model relates to a heat dissipation mechanism of LED street lamp and use its LED street lamp, its circuit substrate (2) with the LED street lamp are connected, its characterized in that: the heat dissipation mechanism is composed of a lower heat dissipation block (3) and an upper heat dissipation block (4), a plurality of ventilation channels (5) which are horizontally arranged exist between the lower heat dissipation block (3) and the upper heat dissipation block (4), each ventilation channel (5) is internally provided with a heat dissipation fan, a lampshade of the LED street lamp is provided with a heat dissipation channel, the heat dissipation fan generates air flow in the horizontal direction and passes heat generated by the LED street lamp to the air through the heat dissipation channel. The utility model discloses with radiator fan integration in the fin, not only improved the radiating efficiency, reduced unnecessary occupation space moreover.
Description
Technical Field
The utility model relates to a heat dissipation mechanism, especially a heat dissipation mechanism of high-power LED street lamp.
Background
The LED street lamp is a street lamp manufactured by using an LED light source, has the unique advantages of high efficiency, safety, energy conservation, environmental protection, long service life, high response speed, high color rendering index and the like, and has very important significance for urban illumination and energy conservation.
The LED street lamp can generate a large amount of heat due to the use of the high-power LED chip, the heat needs to be LED out of the lamp body, otherwise, the aging of a circuit board is easily caused, and the service life of the LED lamp is influenced.
Although the existing LED street lamp also uses the radiating fins, the heat on the circuit substrate can only be transferred to the radiating fins, but the heat can not be quickly transferred to the outside of the lamp body, the temperature in the lamp body is still very high, and the problem that the circuit is basically damaged by heat accumulation cannot be really solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a heat dissipation mechanism of LED street lamp and use its LED street lamp, the technical problem of its solution is that current LED street lamp also can use the fin, but the heat on the circuit substrate can only shift to the fin, but the heat still can't shift to the lamp body fast outside, and the temperature in the lamp body is still very high, can't really solve the heat accumulation and cause the harm to the circuit basically.
In order to solve the technical problem existing in the above, the utility model discloses a following scheme:
the utility model provides a heat dissipation mechanism of LED street lamp, its circuit substrate (2) with LED street lamp are connected which characterized in that: the heat dissipation mechanism is composed of a lower heat dissipation block (3) and an upper heat dissipation block (4), a plurality of ventilation channels (5) which are horizontally arranged exist between the lower heat dissipation block (3) and the upper heat dissipation block (4), each ventilation channel (5) is internally provided with a heat dissipation fan, a lampshade of the LED street lamp is provided with a heat dissipation channel, the heat dissipation fan generates air flow in the horizontal direction and passes heat generated by the LED street lamp to the air through the heat dissipation channel.
Preferably, a plurality of lower connecting parts (31) are arranged on the lower radiating block (3), a lower semicircular ventilation channel (51) is arranged between every two adjacent lower connecting parts (31), and a connecting column (32) is arranged on each lower connecting part (31); a plurality of upper connecting parts (41) are arranged on the upper radiating block (4), an upper semicircular ventilation channel (52) is arranged between every two adjacent upper connecting parts (41), and connecting holes (42) are formed in the upper connecting parts (41); when radiating block (3) with go up radiating block (4) coincide down, spliced pole (32) are inserted connecting hole (42) make radiating block (3) with go up radiating block (4) and connect down, semicircle ventilation passageway (51) with last semicircle ventilation passageway (52) combination forms ventilation passageway (5) down.
Preferably, a temperature sensor is arranged on the top of the upper radiating block (4).
Preferably, the lower heat dissipation block (3) and the upper heat dissipation block (4) are made of metal.
Preferably, the lower heat dissipation block (3) and the upper heat dissipation block (4) are hollow structures, the interiors of the hollow structures are hollow structures, and cooling liquid is filled in the hollow structures.
Preferably, the heat dissipation channel on the lamp shade is an openable structure, the heat dissipation channel is positioned on the left side or the right side of the heat dissipation block (3), and the heat dissipation channel is opened when the heat dissipation fan works.
Preferably, the lamp shade includes transparent lamp shade (8), fixed lamp shade (81) and removes lamp shade (82), the LED chip is located in transparent lamp shade (8), fixed lamp shade (81) with it connects to remove lamp shade (82) transparent lamp shade (8) top, remove lamp shade (82) with fixed lamp shade (81) are articulated, remove lamp shade (82) through a drive structure effect down remove and with form between transparent lamp shade (8) heat dissipation channel, heat dissipation mechanism is located fixed lamp shade (81) and/or in removing lamp shade (82).
Preferably, the transmission structure comprises a second motor (91), a screw rod (92) and a threaded sliding block (93), the second motor (91) drives the screw rod (92) to be connected, the threaded sliding block (93) capable of moving along the axial direction of the screw rod (92) is connected to the screw rod (92), the threaded sliding block (93) is connected with the movable lampshade (82), and the second motor (91) is installed on the inner wall of the fixed lampshade (81).
Preferably, the transmission structure comprises a lever, a second motor, a screw rod and a threaded sliding block, the second motor drives the screw rod to be connected, the threaded sliding block capable of moving along the axial direction of the screw rod is connected to the screw rod, the threaded sliding block is connected with one force arm of the lever, the other force arm of the lever is connected with the movable lampshade (82), the fulcrum of the lever is located on the fixed lampshade (81) or the transparent lampshade (8), and the threaded sliding block presses the other force arm to lift the other force arm, so that the movable lampshade (82) is lifted.
An LED street lamp, its characterized in that: the heat dissipation mechanism comprises the heat dissipation mechanism.
This LED street lamp's heat dissipation mechanism and use its LED street lamp has following beneficial effect:
(1) the utility model discloses with radiator fan integration in the fin, not only improved the radiating efficiency, reduced unnecessary occupation space moreover.
(2) The utility model discloses set up heat dissipation channel into the level and can open the mode for the heat can shift out the lamp body by the efficient under radiator fan's effect.
(3) The utility model discloses heat dissipation channel sets up to the level and can open the mode, can avoid opening in the rainy day also can not lead to the short circuit.
Drawings
FIG. 1: the utility model discloses a cross-sectional view of a heat dissipation mechanism;
FIG. 2: left side schematic view of fig. 1;
FIG. 3: the structure schematic diagram of the lower radiating block of the radiating mechanism of the utility model;
FIG. 4: the structure schematic diagram of the upper radiating block of the radiating mechanism of the utility model;
FIG. 5: the structure of the lampshade of the utility model is schematically shown;
FIG. 6: the utility model discloses a lampshade opening schematic diagram;
FIG. 7: the utility model discloses remove the transmission structure sketch map of lamp shade.
Description of reference numerals:
1-an LED chip; 2-a circuit substrate; 3-lower heat dissipation block; 31-lower connecting portion; 32-connecting column; 4, an upper radiating block; 41-upper connection part; 42-connecting hole; 5, a ventilation channel; 51-lower semicircular ventilation channel; 52-upper semicircular ventilation channel; 6-a first motor; 7-fan blades; 8-a transparent lampshade; 81-fixing the lampshade; 82, moving the lampshade; 91 — a second motor; 92-a screw; 93-threaded slider.
Detailed Description
The present invention will be further explained with reference to fig. 1 to 7:
as shown in fig. 1 and 2, a heat dissipation mechanism of an LED street lamp is connected to a circuit substrate 2 of the LED street lamp, and is characterized in that: the heat dissipation mechanism is composed of a lower heat dissipation block 3 and an upper heat dissipation block 4, a plurality of horizontally arranged ventilation channels 5 are arranged between the lower heat dissipation block 3 and the upper heat dissipation block 4, a heat dissipation fan is arranged in each ventilation channel 5, a lamp shade of the LED street lamp is provided with a heat dissipation channel, and the heat dissipation fans generate airflow in the horizontal direction and transfer heat generated by the LED street lamp to the air through the heat dissipation channels.
As shown in fig. 3 and 4, the lower heat dissipating block 3 is provided with a plurality of lower connecting portions 31, a lower semicircular ventilation channel 51 is arranged between two adjacent lower connecting portions 31, and the lower connecting portions 31 are provided with connecting posts 32; the upper radiating block 4 is provided with a plurality of upper connecting parts 41, an upper semicircular ventilation channel 52 is arranged between every two adjacent upper connecting parts 41, and the upper connecting parts 41 are provided with connecting holes 42; when the lower heat dissipation block 3 and the upper heat dissipation block 4 are stacked, the connection post 32 is inserted into the connection hole 42 so that the lower heat dissipation block 3 and the upper heat dissipation block 4 are connected, and the lower semicircular ventilation channel 51 and the upper semicircular ventilation channel 52 are combined to form the ventilation channel 5.
And a temperature sensor is arranged at the top of the upper radiating block 4. The lower radiating block 3 and the upper radiating block 4 are made of metal. The lower radiating block 3 and the upper radiating block 4 are hollow structures, the interiors of the lower radiating block and the upper radiating block are hollow structures, and cooling liquid is filled in the hollow structures.
As shown in fig. 5 and 6, the heat dissipation channel on the lamp cover is an openable structure, the heat dissipation channel is located on the left side or the right side of the heat dissipation block 3, and the heat dissipation channel is opened when the heat dissipation fan works.
The lamp shade includes transparent lamp shade 8, fixed lamp shade 81 and removes lamp shade 82, and the LED chip is arranged in transparent lamp shade 8, and fixed lamp shade 81 is connected in transparent lamp shade 8 top with removing lamp shade 82, and it is articulated with fixed lamp shade 81 to remove lamp shade 82, remove lamp shade 82 through a transmission structure effect down remove and with transparent lamp shade 8 between form the heat dissipation passageway, the heat dissipation mechanism is arranged in fixed lamp shade 81 and/or remove lamp shade 82.
As shown in fig. 7, the first structure of the transmission structure comprises a second motor 91, a screw 92 and a threaded slider 93, the second motor 91 drives the screw 92 to connect, the screw 92 is connected with the threaded slider 93 capable of moving along the axial direction of the screw 92, the threaded slider 93 is connected with the movable lampshade 82, and the second motor 91 is installed on the inner wall of the fixed lampshade 81.
The second structure of the transmission structure comprises a lever, a second motor, a screw rod and a threaded sliding block, the second motor drives the screw rod to be connected, the threaded sliding block capable of moving along the axial direction of the screw rod is connected onto the screw rod, the threaded sliding block is connected with one force arm of the lever, the other force arm of the lever is connected with the movable lampshade 82, a fulcrum of the lever is located on the fixed lampshade 81 or the transparent lampshade 8, and the threaded sliding block presses the other force arm to lift up the other force arm, so that the movable lampshade 82 is also lifted up.
The utility model discloses the theory of operation is: the temperature sensor detects the temperature of the upper radiating block 4, when the temperature is higher than a set temperature value, the radiating fan and the second motor are started simultaneously, the second motor lifts the movable lampshade 82 through the transmission structure so as to open the radiating channel, the radiating fan moves heat out of the upper radiating block and the lower radiating block through the ventilation channel 5, and then the heat is moved out of the lamp body through the radiating channel.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.
Claims (10)
1. The utility model provides a heat dissipation mechanism of LED street lamp, its circuit substrate (2) with LED street lamp are connected which characterized in that: the heat dissipation mechanism is composed of a lower heat dissipation block (3) and an upper heat dissipation block (4), a plurality of ventilation channels (5) which are horizontally arranged exist between the lower heat dissipation block (3) and the upper heat dissipation block (4), each ventilation channel (5) is internally provided with a heat dissipation fan, a lampshade of the LED street lamp is provided with a heat dissipation channel, the heat dissipation fan generates air flow in the horizontal direction and passes heat generated by the LED street lamp to the air through the heat dissipation channel.
2. The heat dissipation mechanism for LED street lamps according to claim 1, wherein: a plurality of lower connecting parts (31) are arranged on the lower radiating block (3), a lower semicircular ventilation channel (51) is arranged between every two adjacent lower connecting parts (31), and a connecting column (32) is arranged on each lower connecting part (31); a plurality of upper connecting parts (41) are arranged on the upper radiating block (4), an upper semicircular ventilation channel (52) is arranged between every two adjacent upper connecting parts (41), and connecting holes (42) are formed in the upper connecting parts (41); when radiating block (3) with go up radiating block (4) coincide down, spliced pole (32) are inserted connecting hole (42) make radiating block (3) with go up radiating block (4) and connect down, semicircle ventilation passageway (51) with last semicircle ventilation passageway (52) combination forms ventilation passageway (5) down.
3. The heat dissipation mechanism for LED street lamps according to claim 2, wherein: and a temperature sensor is arranged at the top of the upper radiating block (4).
4. The heat dissipation mechanism for LED street lamps according to claim 3, wherein: the lower radiating block (3) and the upper radiating block (4) are made of metal.
5. The heat dissipation mechanism for LED street lamps according to claim 4, wherein: the lower radiating block (3) and the upper radiating block (4) are hollow structures, the interiors of the lower radiating block and the upper radiating block are hollow structures, and cooling liquid is filled in the hollow structures.
6. The heat dissipating mechanism for an LED street lamp according to any one of claims 1 to 5, wherein: the heat dissipation channel on the lampshade is of an openable structure, the heat dissipation channel is positioned on the left side or the right side of the heat dissipation block (3), and the heat dissipation channel is opened when the heat dissipation fan works.
7. The heat dissipation mechanism for LED street lamps according to claim 6, wherein: the lampshade comprises a transparent lampshade (8), a fixed lampshade (81) and a movable lampshade (82), the LED chip is located in the transparent lampshade (8), the fixed lampshade (81) is connected with the movable lampshade (82) above the transparent lampshade (8), the movable lampshade (82) is hinged to the fixed lampshade (81), the movable lampshade (82) moves under the action of a transmission structure and forms a heat dissipation channel between the transparent lampshade (8), and the heat dissipation mechanism is located in the fixed lampshade (81) and/or the movable lampshade (82).
8. The heat dissipation mechanism for LED street lamps according to claim 7, wherein: the transmission structure comprises a second motor (91), a screw rod (92) and a threaded sliding block (93), the second motor (91) drives the screw rod (92) to be connected, the threaded sliding block (93) which can move along the axial direction of the screw rod (92) is connected onto the screw rod (92), the threaded sliding block (93) is connected with the movable lampshade (82), and the second motor (91) is installed on the inner wall of the fixed lampshade (81).
9. The heat dissipation mechanism for LED street lamps according to claim 7, wherein: the transmission structure comprises a lever, a second motor, a screw and a threaded sliding block, the second motor drives the screw to be connected, the threaded sliding block capable of moving along the axial direction of the screw is connected to the screw, the threaded sliding block is connected with one force arm of the lever, the other force arm of the lever is connected with the movable lampshade (82), a fulcrum of the lever is located on the fixed lampshade (81) or the transparent lampshade (8), and the threaded sliding block presses the other force arm to lift the other force arm, so that the movable lampshade (82) is lifted.
10. An LED street lamp, its characterized in that: comprising a heat dissipating mechanism according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020154466.8U CN211450845U (en) | 2020-02-06 | 2020-02-06 | Heat dissipation mechanism of LED street lamp and LED street lamp using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020154466.8U CN211450845U (en) | 2020-02-06 | 2020-02-06 | Heat dissipation mechanism of LED street lamp and LED street lamp using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211450845U true CN211450845U (en) | 2020-09-08 |
Family
ID=72319160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020154466.8U Expired - Fee Related CN211450845U (en) | 2020-02-06 | 2020-02-06 | Heat dissipation mechanism of LED street lamp and LED street lamp using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211450845U (en) |
-
2020
- 2020-02-06 CN CN202020154466.8U patent/CN211450845U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20210206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |