CN212164050U - LED driver with heat dissipation function - Google Patents
LED driver with heat dissipation function Download PDFInfo
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- CN212164050U CN212164050U CN202021054015.3U CN202021054015U CN212164050U CN 212164050 U CN212164050 U CN 212164050U CN 202021054015 U CN202021054015 U CN 202021054015U CN 212164050 U CN212164050 U CN 212164050U
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- dissipation plate
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- shell
- led driver
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Abstract
An LED driver with a heat dissipation function comprises a shell, a first heat dissipation plate, a heat dissipation block, a second heat dissipation plate, a third heat dissipation plate and a first fastening piece; the end face of the shell is provided with an end cover, and the inner wall of the shell is provided with a heat-conducting plate for mounting the LED driver component; a plurality of groups of mounting grooves are arranged on the outer end surface of the shell along the peripheral direction of the outer end surface side by side; the mounting groove is provided with a plurality of groups of first through holes on the side end surface of the shell and a plurality of groups of second through holes on the bottom surface of the shell; the second heat dissipation plate and the third heat dissipation plate are distributed in parallel and are connected with the first heat dissipation plate; the first heat dissipation plate, the second heat dissipation plate and the third heat dissipation plate form a character-shaped heat dissipation part; the heat dissipation parts correspond to the mounting grooves one by one, and the plurality of groups of first fastening pieces penetrate through the heat dissipation parts and are respectively in threaded connection with the bottom surfaces of the mounting grooves; the multiple groups of radiating blocks are respectively connected with the multiple groups of first radiating plates and compress the heat conducting plates. The utility model provides a LED driver dispels the heat to it through heat-conducting mode, and the radiating effect is good.
Description
Technical Field
The utility model relates to a LED driver technical field especially relates to a LED driver with heat dissipation function.
Background
An LED driver refers to a power conditioning electronics device that drives an LED to emit light or the LED module assembly to operate normally. Due to the conduction characteristic of the PN junction of the LED, the voltage and current variation range of a power supply which can be adapted to the PN junction of the LED is very narrow, and the LED cannot be lightened or the luminous efficiency is seriously reduced or the service life is shortened or even a chip is burnt down if the PN junction of the LED deviates a little. The existing power frequency power supply and the common battery power supply are not suitable for directly supplying the LED, the LED driver is an electronic component which can drive the LED to work under the optimal voltage or current state, the LED driver is usually fixedly arranged in a shell, high temperature is generated when the LED driver operates, the temperature in the shell is gradually increased, if the high temperature in the shell cannot be quickly and effectively discharged and the LED driver is cooled, the service performance of the LED driver can be influenced, and the LED driver can be damaged seriously; to this end, an LED driver with heat dissipation function is proposed in the present application.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a LED driver with heat dissipation function, the utility model provides a LED driver dispels the heat to it through heat-conducting mode, and the radiating effect is good to improve LED driver's life.
(II) technical scheme
In order to solve the above problems, the utility model provides a LED driver with heat dissipation function, which comprises a housing, a mounting block, a first heat dissipation plate, a heat dissipation block, a second heat dissipation plate, a third heat dissipation plate and a first fastening piece;
a plurality of groups of mounting blocks are respectively provided with a plurality of groups of mounting holes and are all connected with the shell; the end face of the shell is provided with an end cover, and the inner wall of the shell is provided with a heat-conducting plate for mounting the LED driver component; the heat conducting plate is positioned on one side far away from the end cover; a plurality of groups of mounting grooves are arranged on the outer end surface of the shell along the peripheral direction of the outer end surface side by side;
each group of mounting grooves are respectively provided with a plurality of groups of first through holes on the side end surface of the shell, each group of mounting grooves are respectively provided with a plurality of groups of second through holes on the bottom surface of the shell, and the bottom surface of each group of mounting grooves is provided with a plurality of groups of first threaded blind holes;
the first heat dissipation plate, the second heat dissipation plate and the third heat dissipation plate correspond to each other one by one; the second heat dissipation plate and the third heat dissipation plate are distributed in parallel and are connected with the first heat dissipation plate; the first heat dissipation plate, the second heat dissipation plate and the third heat dissipation plate form a character-shaped heat dissipation part; the heat dissipation parts correspond to the mounting grooves one by one, a plurality of groups of third through holes are formed in the heat dissipation parts, the heat dissipation parts are mounted with the shell in a matched mode, and a plurality of groups of first fastening pieces penetrate through the plurality of groups of third through holes respectively and are screwed into the plurality of groups of first threaded blind holes in a threaded mode; the end faces, facing the bottom face of the mounting groove, of the first heat dissipation plate, the second heat dissipation plate and the third heat dissipation plate are tightly pressed on the bottom face of the mounting groove;
the multiple groups of radiating blocks are respectively positioned in the multiple groups of second through holes, one ends of the multiple groups of radiating blocks are respectively connected with the multiple groups of first radiating plates, and the other ends of the multiple groups of radiating blocks are all pressed against the heat conducting plates.
Preferably, a plurality of groups of second fastening pieces are further included; wherein, the end cover is provided with a plurality of groups of fourth through holes; a plurality of groups of second threaded blind holes are formed in the end face of the shell;
the multiple groups of second fastening pieces respectively penetrate through the multiple groups of fourth through holes and are screwed into the multiple groups of second threaded blind holes in a threaded manner; the end cap presses the housing towards the end face of the housing.
Preferably, the device also comprises a plurality of groups of positioning columns; wherein, the end surface of the shell is provided with a plurality of groups of positioning blind holes;
the positioning posts are uniformly arranged on the end cover and are respectively inserted into the positioning blind holes to form a positioning structure.
Preferably, the end cover and the compressed end face of the shell are provided with sealing layers.
Preferably, the end face of each group of radiating blocks, which is far away from the first radiating plate, is flush with the bottom surface of the shell; the end faces of the heat conducting plates facing the multiple groups of heat radiating blocks are coated with heat radiating silica gel.
Preferably, a heat dissipation silica gel layer is arranged on the end face of the heat dissipation part compressed with the bottom surface of the mounting groove.
Preferably, the plurality of groups of radiating blocks and the plurality of groups of first radiating plates are of an integrated structure.
Preferably, the first heat dissipation plate is internally provided with a third hollow bin along the central axis thereof; the third hollow bin is provided with third openings at two ends of the first heat dissipation plate respectively;
the second heat dissipation plate is internally provided with a second hollow bin along the central axis; a second opening is formed in one end, far away from the first heat dissipation plate, of the second heat dissipation plate of the second hollow bin, and the second hollow bin is communicated with the third hollow bin;
the third heat dissipation plate is internally provided with a first hollow bin along the central axis; the first hollow bin is provided with a first opening at one end of the third heat dissipation plate far away from the first heat dissipation plate, and the first hollow bin is communicated with the third hollow bin; wherein, the end cover is equipped with the multiunit at its side end face and is used for the open slot with multiunit mounting groove intercommunication.
Preferably, a plurality of groups of fifth through holes are formed in the end face, far away from the second heat dissipation plate, of the first heat dissipation plate of the third hollow bin.
The above technical scheme of the utility model has following profitable technological effect:
in the utility model, when in use, the driver is arranged on the heat conducting plate in the shell, and the end cover is arranged on the shell; the shell can be fixed by matching the bolts with the assembly holes on the mounting block; the heat energy generated when the LED driver operates is transferred to the heat conducting plate, the internal temperature of the shell is raised, the plurality of groups of radiating blocks are in pressing contact with the heat conducting plate, so that the heat energy on the heat conducting plate is transferred to the first radiating plate, and the first radiating plate is positioned outside the shell and radiates the heat energy out through the first radiating plate; in addition, the second heating panel and the third heating panel pass through the first through-hole of multiunit and the inside direct contact of shell that the shell side end face was equipped with, high temperature in the shell is transmitted to the second heating panel and the third heating panel that are located the shell outside on to dispel the heat to the shell is inside, avoid high temperature to cause the influence to the use of LED driver, easy operation uses, in addition, the leakproofness of shell is good, can effectively avoid external impurity and water etc. to cause the damage to the LED driver in getting into the shell.
Drawings
Fig. 1 is a schematic structural diagram of an LED driver with a heat dissipation function according to the present invention.
Fig. 2 is a schematic view of a three-dimensional structure of a bottom surface of a housing in an LED driver with a heat dissipation function according to the present invention.
Fig. 3 is a top view of a housing in an LED driver with a heat dissipation function according to the present invention.
Fig. 4 is a top view of an end cap in an LED driver with a heat dissipation function according to the present invention.
Fig. 5 is a schematic perspective view of a heat dissipation portion in an LED driver with a heat dissipation function according to the present invention.
Reference numerals: 1. a housing; 2. an end cap; 3. a first through hole; 4. a heat conducting plate; 5. mounting blocks; 6. a first heat dissipation plate; 7. a heat dissipating block; 8. radiating silica gel; 9. a fourth via hole; 10. an assembly hole; 11. mounting grooves; 12. a second threaded blind hole; 13. positioning the blind hole; 14. a second through hole; 15. an open slot; 16. a positioning column; 17. a second heat dissipation plate; 18. a third heat dissipation plate; 19. a third through hole; 21. a first hollow bin; 22. a second hollow bin; 23. and a third hollow bin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-5, the LED driver with heat dissipation function provided by the present invention includes a housing 1, a mounting block 5, a first heat dissipation plate 6, a heat dissipation block 7, a second heat dissipation plate 17, a third heat dissipation plate 18 and a first fastening member;
a plurality of groups of assembling holes 10 are respectively formed in the plurality of groups of mounting blocks 5, and the shell 1 is conveniently fixed through the plurality of groups of assembling holes 10 matched with bolts; the multiple groups of mounting blocks 5 are all connected with the shell 1;
an end cover 2 is arranged on the end face of the shell 1, and a heat conducting plate 4 for mounting an LED driver component is arranged on the inner wall of the shell 1; the heat conducting plate 4 is positioned on one side far away from the end cover 2, and the heat conducting plate 4 is made of aluminum alloy materials without limitation; a plurality of groups of mounting grooves 11 are arranged on the outer end surface of the shell 1 along the peripheral direction thereof in parallel;
each group of mounting grooves 11 are respectively provided with a plurality of groups of first through holes 3 on the side end face of the shell 1, each group of mounting grooves 11 are respectively provided with a plurality of groups of second through holes 14 on the bottom face of the shell 1, the bottom face of each group of mounting grooves 11 is provided with a plurality of groups of first threaded blind holes, and each group of mounting grooves 11 are communicated with the inside of the shell 1 through the plurality of groups of first through holes 3 and the plurality of groups of second through holes 14;
the first heat dissipation plate 6, the second heat dissipation plate 17 and the third heat dissipation plate 18 correspond to each other one by one, and the first heat dissipation plate 6, the second heat dissipation plate 17 and the third heat dissipation plate 18 are made of aluminum alloy materials without limitation; the second heat dissipation plate 17 and the third heat dissipation plate 18 are distributed side by side and are connected with the first heat dissipation plate 6; the first heat dissipation plate 6, the second heat dissipation plate 17 and the third heat dissipation plate 18 form a character-shaped heat dissipation part;
the heat dissipation parts correspond to the mounting grooves 11 one by one, a plurality of groups of third through holes 19 are formed in the heat dissipation parts, the heat dissipation parts are mounted with the shell 1 in a matched mode, and a plurality of groups of first fastening pieces penetrate through the plurality of groups of third through holes 19 respectively and are screwed into the plurality of groups of first threaded blind holes in a threaded mode; the end surfaces of the first heat dissipation plate 6, the second heat dissipation plate 17 and the third heat dissipation plate 18 facing the bottom surface of the mounting groove 11 are pressed tightly against the bottom surface of the mounting groove 11;
furthermore, the outer end face of the heat dissipation part is flush with the outer end face of the shell 1, and the heat dissipation part is connected with the shell 1 through the arranged first fastening piece, so that the heat dissipation part is convenient to disassemble and assemble;
the multiple groups of radiating blocks 7 are respectively positioned in the multiple groups of second through holes 14, one ends of the multiple groups of radiating blocks 7 are respectively connected with the multiple groups of first radiating plates 6, and the other ends of the multiple groups of radiating blocks 7 are all pressed against the heat conducting plates 4.
In the utility model, when in use, the driver is arranged on the heat conducting plate 4 in the shell 1, and the end cover 2 is arranged on the shell 1; the shell 1 can be fixed by matching bolts with the assembly holes 10 on the mounting block 5; the heat energy generated when the LED driver operates is transmitted to the heat conducting plate 4 and the internal temperature of the shell 1 is raised, the plurality of groups of radiating blocks 7 are in pressing contact with the heat conducting plate 4, so that the heat energy on the heat conducting plate 4 is transmitted to the first radiating plate 6, the first radiating plate 6 is positioned outside the shell 1, and the heat energy is radiated out through the first radiating plate 6; in addition, the second heat dissipation plate 17 and the third heat dissipation plate 18 are in direct contact with the inside of the shell 1 through the multiple groups of first through holes 3 arranged on the side end face of the shell 1, and high temperature in the shell 1 is transmitted to the second heat dissipation plate 17 and the third heat dissipation plate 18 located on the outer side of the shell 1 so as to dissipate heat inside the shell 1, and influence on the use of the LED driver caused by the high temperature is avoided.
In an optional embodiment, a plurality of sets of second fastening pieces are further included; wherein, the end cover 2 is provided with a plurality of groups of fourth through holes 9; a plurality of groups of second threaded blind holes 12 are arranged on the end surface of the shell 1;
the multiple groups of second fastening pieces respectively penetrate through the multiple groups of fourth through holes 9 and are respectively screwed into the multiple groups of second threaded blind holes 12; the end cover 2 presses the shell 1 towards the end face of the shell 1;
and a plurality of groups of second fastening pieces are used for installing the end cover 2 and the shell 1 in a matching way, so that the end cover 2 is convenient to disassemble and assemble.
In an optional embodiment, a plurality of positioning columns 16 are further included; wherein, the end surface of the shell 1 is provided with a plurality of groups of positioning blind holes 13;
a plurality of positioning columns 16 are uniformly arranged on the end cover 2, the plurality of positioning columns 16 are respectively inserted into the plurality of positioning blind holes 13 in a matching way to form a positioning structure,
and a plurality of groups of positioning columns 16 are matched and inserted into a plurality of groups of positioning blind holes 13, so that a plurality of groups of second fastening pieces are conveniently used for fixedly mounting the end cover 2 and the shell 1.
In an alternative embodiment, the end surfaces of the end cap 2 and the housing 1 that are pressed together are provided with sealing layers to improve the sealing between the end cap 2 and the housing 1.
In an alternative embodiment, the end surface of each group of radiating blocks 7 far away from the first radiating plate 6 is flush with the bottom surface of the shell 1; the end face, facing the multiple groups of radiating blocks 7, of the heat conducting plate 4 is coated with the radiating silica gel 8, so that a heat conducting layer is formed between the heat conducting plate 4 and the multiple groups of radiating blocks 7, the radiating silica gel 8 can reduce contact thermal resistance, the heat transfer speed of a contact interface is enhanced, and the radiating efficiency of the heat conducting plate 4 is improved.
In an alternative embodiment, a heat dissipation silica gel layer is arranged on the end face of the heat dissipation part pressed against the bottom surface of the mounting groove 11.
In an alternative embodiment, the plurality of sets of heat dissipation blocks 7 and the plurality of sets of first heat dissipation plates 6 are of a unitary structure.
In an alternative embodiment, the first heat dissipating plate 6 is provided with a third hollow chamber 23 in its interior along its central axis; the third hollow bin is provided with third openings at two ends of the first heat dissipation plate 6 respectively;
the second heat dissipation plate 17 is provided with a second hollow chamber 22 inside along the central axis thereof; the second hollow bin 22 is provided with a second opening at one end of the second heat dissipation plate 17 far away from the first heat dissipation plate 6, and the second hollow bin 22 is communicated with the third hollow bin 23;
the third heat dissipating plate 18 has a first hollow chamber 21 formed therein along the central axis thereof; the first hollow bin 21 is provided with a first opening at one end of the third heat dissipation plate 18 far away from the first heat dissipation plate 6, and the first hollow bin 21 is communicated with the third hollow bin 23; wherein, the end cover 2 is provided with a plurality of groups of open grooves 15 on the side end surface for communicating with the plurality of groups of mounting grooves 11;
the third hollow bin 23 that the first heating panel 6 was equipped with communicates with second hollow bin 22 on the second heating panel 17 and the first hollow bin 21 on the third heating panel 18 respectively, increase first heating panel 6, the area of contact of second heating panel 17 and third heating panel 18 with external environment, improve the radiating effect of first heating panel 6, second heating panel 17 and third heating panel 18, in addition, the air flows kinetic energy from first hollow bin 21, second hollow bin 22 and third hollow bin 23 and further improves the radiating effect to first heating panel 6, second heating panel 17 and third heating panel 18, and then improves the radiating effect to the inside and LED driver of shell 1.
In an alternative embodiment, the third hollow chamber 23 is provided with a plurality of sets of fifth through holes on the end surface of the first heat dissipation plate 6 away from the second heat dissipation plate 17.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. An LED driver with a heat dissipation function is characterized by comprising a shell (1), a mounting block (5), a first heat dissipation plate (6), a heat dissipation block (7), a second heat dissipation plate (17), a third heat dissipation plate (18) and a first fastening piece;
a plurality of groups of assembling holes (10) are respectively arranged on the plurality of groups of mounting blocks (5), and the plurality of groups of mounting blocks (5) are all connected with the shell (1); an end cover (2) is arranged on the end face of the shell (1), and a heat conduction plate (4) for mounting the LED driver component is arranged on the inner wall of the shell (1); the heat conducting plate (4) is positioned on one side far away from the end cover (2); a plurality of groups of mounting grooves (11) are arranged on the outer end surface of the shell (1) along the peripheral direction thereof in parallel;
each group of mounting grooves (11) is respectively provided with a plurality of groups of first through holes (3) on the side end surface of the shell (1), each group of mounting grooves (11) is respectively provided with a plurality of groups of second through holes (14) on the bottom surface of the shell (1), and the bottom surface of each group of mounting grooves (11) is provided with a plurality of groups of first threaded blind holes;
the first heat dissipation plate (6), the second heat dissipation plate (17) and the third heat dissipation plate (18) are in one-to-one correspondence; the second heat dissipation plate (17) and the third heat dissipation plate (18) are distributed side by side and are connected with the first heat dissipation plate (6); the first heat dissipation plate (6), the second heat dissipation plate (17) and the third heat dissipation plate (18) form a character-shaped heat dissipation part; the heat dissipation parts correspond to the mounting grooves (11) one by one, a plurality of groups of third through holes (19) are formed in the heat dissipation parts, the heat dissipation parts and the shell (1) are mounted in a matched mode, and a plurality of groups of first fastening pieces respectively penetrate through the plurality of groups of third through holes (19) and are screwed into the plurality of groups of first threaded blind holes in a threaded mode; the end faces, facing the bottom face of the mounting groove (11), of the first heat dissipation plate (6), the second heat dissipation plate (17) and the third heat dissipation plate (18) are pressed tightly on the bottom face of the mounting groove (11);
the multiple groups of radiating blocks (7) are respectively positioned in the multiple groups of second through holes (14), one ends of the multiple groups of radiating blocks (7) are respectively connected with the multiple groups of first radiating plates (6), and the other ends of the multiple groups of radiating blocks (7) are all pressed against the heat conducting plates (4).
2. The LED driver with the heat dissipation function as recited in claim 1, further comprising a plurality of sets of second tightening members; wherein, the end cover (2) is provided with a plurality of groups of fourth through holes (9); a plurality of groups of second threaded blind holes (12) are arranged on the end surface of the shell (1);
the multiple groups of second fastening pieces respectively penetrate through the multiple groups of fourth through holes (9) and are screwed into the multiple groups of second threaded blind holes (12) in a threaded manner; the end cover (2) presses the housing (1) towards the end face of the housing (1).
3. The LED driver with the heat dissipation function as recited in claim 2, further comprising a plurality of sets of positioning posts (16); wherein, the end surface of the shell (1) is provided with a plurality of groups of positioning blind holes (13);
the positioning columns (16) are uniformly arranged on the end cover (2), and the positioning columns (16) are respectively inserted into the positioning blind holes (13) to form a positioning structure.
4. The LED driver with the heat dissipation function as recited in claim 2, wherein the compressed end faces of the end cover (2) and the housing (1) are provided with sealing layers.
5. The LED driver with the heat dissipation function as recited in claim 1, wherein the end face of each group of the heat dissipation blocks (7) far away from the first heat dissipation plate (6) is flush with the bottom surface of the shell (1); the end faces of the heat conducting plates (4) facing the multiple groups of radiating blocks (7) are coated with radiating silica gel (8).
6. The LED driver with the heat dissipation function as claimed in claim 1, wherein a heat dissipation silica gel layer is disposed on an end surface of the heat dissipation portion pressed against the bottom surface of the mounting groove (11).
7. The LED driver with the heat dissipation function as recited in claim 1, wherein the plurality of sets of heat dissipation blocks (7) and the plurality of sets of first heat dissipation plates (6) are of a unitary structure.
8. The LED driver with heat dissipation function according to claim 1, wherein the first heat dissipation plate (6) is provided with a third hollow chamber (23) inside along its central axis; the third hollow bin is provided with third openings at two ends of the first heat dissipation plate (6) respectively;
the second heat dissipation plate (17) is internally provided with a second hollow bin (22) along the central axis thereof; a second opening is formed in one end, far away from the first heat dissipation plate (6), of the second heat dissipation plate (17) of the second hollow bin (22), and the second hollow bin (22) is communicated with the third hollow bin (23);
the third heat dissipation plate (18) is provided with a first hollow bin (21) along the central axis thereof; the first hollow bin (21) is provided with a first opening at one end of the third heat dissipation plate (18) far away from the first heat dissipation plate (6), and the first hollow bin (21) is communicated with the third hollow bin (23); wherein, the end cover (2) is provided with a plurality of groups of open grooves (15) on the side end surface for communicating with the plurality of groups of installation grooves (11).
9. The LED driver with the heat dissipation function as recited in claim 8, wherein the third hollow chamber (23) is provided with a plurality of sets of fifth through holes on the end surface of the first heat dissipation plate (6) far away from the second heat dissipation plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021054015.3U CN212164050U (en) | 2020-06-10 | 2020-06-10 | LED driver with heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021054015.3U CN212164050U (en) | 2020-06-10 | 2020-06-10 | LED driver with heat dissipation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212164050U true CN212164050U (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021054015.3U Active CN212164050U (en) | 2020-06-10 | 2020-06-10 | LED driver with heat dissipation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212164050U (en) |
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2020
- 2020-06-10 CN CN202021054015.3U patent/CN212164050U/en active Active
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