CN208154418U - A kind of constant current LED drive device realized using digital method - Google Patents
A kind of constant current LED drive device realized using digital method Download PDFInfo
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- CN208154418U CN208154418U CN201820646618.9U CN201820646618U CN208154418U CN 208154418 U CN208154418 U CN 208154418U CN 201820646618 U CN201820646618 U CN 201820646618U CN 208154418 U CN208154418 U CN 208154418U
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- led drive
- sliding
- box body
- fixedly connected
- constant current
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000004065 semiconductor Substances 0.000 claims description 19
- 235000012149 noodles Nutrition 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 description 9
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of constant current LED drive devices realized using digital method, including box body, box body is open-topped hollow structure, mounting plate is equipped in box body, it is connected between the lower surface of mounting plate and the lower surface of tray interior by buffer gear, the upper surface of mounting plate offers mounting groove, the LED drive board to match with mounting groove is equipped in mounting groove, and it is connected between LED drive board and mounting groove by installing mechanism, opening at the top of box body is equipped with heat sink, and the upper surface of heat sink offers multiple equally distributed grooves, box body is fixedly connected with symmetrical two support plates on the two sides relative inner wall of opening, the lower surface of heat sink and the upper surface of two support plates offset.The utility model is easy to operate, so that the better heat-radiation effect for the constant current LED drive device realized using digital method, and installation and removal are more convenient.
Description
Technical field
The utility model relates to field of LED drive technology more particularly to a kind of constant-current LED drives realized using digital method
Dynamic device.
Background technique
Since LED is the semiconductor devices of characteristic sensitivity, and there is negative temperature characteristic, thus needs in application process pair
It carries out steady-working state and protection, to produce the concept of driving, requirement of the LED component to driving power is near severe
It carving, LED can be directly connected to the electric main of 220V unlike common incandescent lamp bulb, and LED is 2~3 volts of low voltage drive,
The complicated translation circuit of design is had to, the LED light of different purposes will be equipped with different power supply adaptors, state on international market
Outer client to the efficiency conversion of LED drive power, effective power, constant current accuracy, power source life, electromagnetic compatibility requirement all very
Height designs a good power supply and has to comprehensively consider these factors, because effect of the power supply in entire lamps and lanterns is like picture
Human heart is equally important.
In the prior art, that there are heat dissipation effects is poor for the constant current LED drive device realized using digital method, and installation with
Dismantle inconvenient problem.
Utility model content
Purpose of the utility model is to solve the constant current LED drive devices for utilizing digital method to realize in the prior art
There are heat dissipation effect is poor and the problem of installation and removal inconvenience, and a kind of constant current realized using digital method proposed
LED drive device.
To achieve the goals above, the utility model uses following technical solution：
A kind of constant current LED drive device realized using digital method, including box body, the box body are in open-topped
Hollow structure, the box body is interior to be equipped with mounting plate, passes through buffering between the lower surface of the mounting plate and the lower surface of tray interior
Mechanism is connected, and the upper surface of the mounting plate offers mounting groove, is equipped with the LED to match with mounting groove in the mounting groove
Driving plate, and be connected between LED drive board and mounting groove by installing mechanism, the opening at the top of the box body is equipped with heat dissipation
Plate, and the upper surface of heat sink offers multiple equally distributed grooves, two sides relative inner of the box body close to opening
Symmetrical two support plates are fixedly connected on wall, the lower surface of the heat sink and the upper surface of two support plates offset, institute
It states and is connected between the upper surface of heat sink and box body by symmetrical two hasps, be connected with semiconductor system on the heat sink
Cold, and the hot face of semiconductor chilling plate is fixedly connected with the lower surface of heat sink, the huyashi-chuuka (cold chinese-style noodles) of the semiconductor chilling plate is fixed
It is connected with multiple equally distributed heat conductive rods, the upper table of the heat conductive rod one end and LED drive board far from semiconductor chilling plate
Face offsets.
Preferably, the buffer gear includes four slide bars, and four slide bars are respectively fixedly connected in mounting plate following table
The four corners in face, the lower surface of the tray interior correspond to and are fixedly connected with sleeve at the position of slide bar, and the slide bar is far from peace
One end of loading board is plugged in corresponding sleeve and is fixedly connected with movable block, and movable block is slidably connected with sleeve, the shifting
The lower surface of motion block is fixedly connected with the first spring, and the other end of first spring is fixedly connected on the cylinder bottom of sleeve inner.
Preferably, the installing mechanism includes two sliding grooves, and two sliding grooves are provided with mounting groove opposite sides
On side wall, the LED drive board offers card slot corresponding with sliding groove, the slot of the card slot on the side wall of sliding groove
Bottom is fixedly connected with second spring, and the other end of the second spring is fixedly connected with the fixture block to match with card slot, and fixture block
It is slidably connected with card slot, the fixture block passes through the notch of card slot far from one end of second spring and extends to corresponding sliding groove
It is interior, the briquetting to match with sliding groove is slidably connected in the sliding groove, the briquetting is rotatablely connected far from the side of fixture block
There is a threaded rod, the other end of the threaded rod passes through the slot bottom of sliding groove and extends to its outside, and threaded rod and sliding groove
Slot bottom is threadedly coupled.
Preferably, the upper surface of the heat sink is fixedly connected with handle, opens on the opposite lateral wall in the two sides of the box body
Equipped with multiple equally distributed heat release holes, it is equipped with Air Filter in the heat release hole, and heat release hole is arranged diagonally downward.
Preferably, symmetrical two gag lever posts are fixedly connected on the two sides relative inner wall of the box body, described in two
The lower surface of gag lever post and the upper surface of mounting plate offset.
Preferably, symmetrical first sliding groove there are two opening up on the inner wall of the sleeve, the movable block is close to first
The side of sliding slot is fixedly connected to the first sliding block to match with first sliding groove, and the first sliding block is sliding with corresponding first sliding groove
Dynamic connection.
Preferably, symmetrical second sliding slot there are two being opened up in the opposing sidewalls of the card slot, the side wall of the fixture block
On be fixedly connected there are two the second sliding block for matching with second sliding slot, and the second sliding block and corresponding second sliding slot sliding company
It connects.
Preferably, symmetrical third sliding slot there are two being opened up in the opposing sidewalls of the sliding groove, the side of the briquetting
The third sliding block to match there are two being fixedly connected on wall with third sliding slot, and third sliding block slides with corresponding third sliding slot and connects
It connects.
Preferably, the threaded rod is connected with rotating block far from one end of briquetting.
Compared with prior art, the utility model provides a kind of constant current LED drive device realized using digital method,
Has following beneficial effect：
1, this utilize digital method realize constant current LED drive device, by setting LED drive board, heat sink, groove,
Semiconductor chilling plate and heat conductive rod, the heat that LED drive board generates are transferred to the cold of semiconductor chilling plate by multiple heat conductive rods
Face is absorbed, and the hot face of semiconductor chilling plate releases heat, radiates via heat sink, is opened up on heat sink multiple recessed
Slot improves the radiating efficiency of heat sink to increase the heat dissipation area of heat sink, so that the perseverance realized using digital method
Flow the better heat-radiation effect of LED drive device.
2, the constant current LED drive device for utilizing digital method to realize is driven by setting mounting plate, mounting groove, LED
Plate, sliding groove, card slot, second spring, fixture block, briquetting and threaded rod press the fixture block for being connected with second spring, LED are driven
Plate is placed in the mounting groove of mounting plate, by the tension force effect of second spring, fixture block and sliding groove is clamped, to be rapidly completed
The installation of LED drive board；The threaded rod of rotation and briquetting rotation connection, so that briquetting is slided towards the notch direction of sliding groove,
To be press-connected the fixture block of second spring, so that fixture block is slided towards the slot bottom direction of card slot, when fixture block and sliding groove are de-
From when, LED drive board can be taken out out of mounting groove, realize the fast quick-detach of LED drive board.
3, this utilize digital method realize constant current LED drive device, by setting box body, mounting plate, LED drive board,
Slide bar, sleeve, movable block and the first spring, box body are fallen, and the impact force of generation will drive the slide bar for being connected with movable block
The slide downward in sleeve squeezes the first spring, so that cushion impact forces, protect LED drive board.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model
It is easy to operate, so that the better heat-radiation effect for the constant current LED drive device realized using digital method, and installation and removal are more
It is convenient.
Detailed description of the invention
Fig. 1 be the utility model proposes it is a kind of using digital method realize constant current LED drive device structural representation
Figure；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the enlarged drawing of part B in Fig. 1.
In figure：1 box body, 2 mounting plates, 3 mounting grooves, 4LED driving plate, 5 heat sinks, 6 grooves, 7 support plates, 8 hasps, 9 half
Conductor cooling piece, 10 heat conductive rods, 11 slide bars, 12 sleeves, 13 movable blocks, 14 first springs, 15 sliding grooves, 16 card slots, 17 second
Spring, 18 fixture blocks, 19 briquettings, 20 threaded rods, 21 handles, 22 heat release holes, 23 gag lever posts, 24 first sliding grooves, 25 first sliding blocks, 26
Second sliding slot, 27 second sliding blocks, 28 third sliding slots, 29 third sliding blocks, 30 rotating blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-3, a kind of constant current LED drive device realized using digital method, including box body 1, box body 1 are top
The hollow structure of opening, box body 1 is interior to be equipped with mounting plate 2, passes through between the lower surface of mounting plate 2 and the lower surface inside box body 1
Buffer gear is connected, and the upper surface of mounting plate 2 offers mounting groove 3, is equipped with the LED to match with mounting groove 3 in mounting groove 3
Driving plate 4, and be connected between LED drive board 4 and mounting groove 3 by installing mechanism, the opening at 1 top of box body is equipped with heat dissipation
Plate 5, and the upper surface of heat sink 5 offers multiple equally distributed grooves 6, two sides relative inner of the box body 1 close to opening
Symmetrical two support plates 7 are fixedly connected on wall, the lower surface of heat sink 5 and the upper surface of two support plates 7 offset, heat dissipation
It is connected between the upper surface of plate 5 and box body 1 by symmetrical two hasps 8, semiconductor chilling plate 9 is connected on heat sink 5,
And the hot face of semiconductor chilling plate 9 is fixedly connected with the lower surface of heat sink 5, the huyashi-chuuka (cold chinese-style noodles) of semiconductor chilling plate 9 is fixedly connected with
Multiple equally distributed heat conductive rods 10, the upper surface phase of the one end of heat conductive rod 10 far from semiconductor chilling plate 9 and LED drive board 4
It supports, the heat that LED drive board 4 generates is absorbed by the huyashi-chuuka (cold chinese-style noodles) that multiple heat conductive rods 10 are transferred to semiconductor chilling plate 9, is partly led
The hot face of body cooling piece 9 releases heat, radiates via heat sink 5, multiple grooves 6 is opened up on heat sink 5, to increase
The heat dissipation area of heat sink 5, improves the radiating efficiency of heat sink 5, so that the constant-current LED driving for utilizing digital method to realize
The better heat-radiation effect of device.
Buffer gear includes four slide bars 11, and four slide bars 11 are respectively fixedly connected with the four corners in 2 lower surface of mounting plate,
Lower surface inside box body 1 corresponds to and is fixedly connected with sleeve 12 at the position of slide bar 11, and slide bar 11 is inserted far from one end of mounting plate 2
It is located in corresponding sleeve 12 and is fixedly connected with movable block 13, and movable block 13 is slidably connected with sleeve 12, movable block 13
Lower surface is fixedly connected with the first spring 14, and the other end of the first spring 14 is fixedly connected on the cylinder bottom inside sleeve 12, box body 1
It falls, the impact force of generation will drive the slide bar 11 for being connected with movable block 13 slide downward in sleeve 12, squeeze first
Spring 14, so that cushion impact forces, protect LED drive board 4.
Installing mechanism includes two sliding grooves 15, and two sliding grooves 15 are provided on 3 opposite sides side wall of mounting groove, LED
Driving plate 4 offers card slot 16 corresponding with sliding groove 15 on the side wall of sliding groove 15, and the slot bottom of card slot 16 is fixed to be connected
Be connected to second spring 17, the other end of second spring 17 is fixedly connected with the fixture block 18 to match with card slot 16, and fixture block 18 with
Card slot 16 is slidably connected, and fixture block 18 passes through the notch of card slot 16 far from one end of second spring 17 and extends to corresponding sliding groove
In 15, the briquetting 19 to match with sliding groove 15 is slidably connected in sliding groove 15, briquetting 19 is rotated far from the side of fixture block 18
Be connected with threaded rod 20, the other end of threaded rod 20 passes through the slot bottom of sliding groove 15 and extends to its outside, and threaded rod 20 with
The slot bottom of sliding groove 15 is threadedly coupled, and presses the fixture block 18 for being connected with second spring 17, LED drive board 4 is placed in mounting plate 2
In mounting groove 3, by the tension force effect of second spring 17, fixture block 18 and sliding groove 15 are clamped, so that LED driving be rapidly completed
The installation of plate 4；The threaded rod 20 that rotation is rotatablely connected with briquetting 19, so that briquetting 19 is sliding towards the notch direction of sliding groove 15
It is dynamic, to be press-connected the fixture block 18 of second spring 17, so that fixture block 18 is slided towards the slot bottom direction of card slot 16, work as fixture block
18 with sliding groove 15 be detached from when, LED drive board 4 can be taken out out of mounting groove 3, realize LED drive board 4 fast quick-detach.
The upper surface of heat sink 5 is fixedly connected with handle 21, offers on the opposite lateral wall in the two sides of box body 1 multiple uniform
The heat release hole 22 of distribution, heat release hole 22 is interior to be equipped with Air Filter, and heat release hole 22 is arranged diagonally downward, and handle 21 facilitates heat sink 5
Pick up, the setting of heat release hole 22 and Air Filter so that device heat dissipation while also can be carried out it is dust-proof.
Symmetrical two gag lever posts 23 are fixedly connected on the two sides relative inner wall of box body 1, under two gag lever posts 23
Surface and the upper surface of mounting plate 2 offset, and box body 1 is fallen, and the slide bar 11 for being connected with mounting plate 2 is driven to decline together, limit
Position bar 23 makes mounting plate 2 not will drive LED drive board 4 when resetting and collide with heat conductive rod 10, to protect LED drive board
4 are not damaged.
Opened up on the inner wall of sleeve 12 there are two symmetrical first sliding groove 24, movable block 13 close to first sliding groove 24 one
Side is fixedly connected to the first sliding block 25 to match with first sliding groove 24, and the first sliding block 25 is sliding with corresponding first sliding groove 24
Dynamic connection prevents movable block 13 and sleeve 12 to be detached from.
It is opened up in the opposing sidewalls of card slot 16 there are two symmetrical second sliding slot 26, is fixedly connected on the side wall of fixture block 18
There are two the second sliding blocks 27 to match with second sliding slot 26, and the second sliding block 27 is slidably connected with corresponding second sliding slot 26,
So that fixture block 18 slided in card slot 16 it is more stable.
It is opened up in the opposing sidewalls of sliding groove 15 there are two symmetrical third sliding slot 28, it is fixed on the side wall of briquetting 19 to connect
The third sliding block 29 to match there are two connecing with third sliding slot 28, and third sliding block 29 slides with corresponding third sliding slot 28 and connects
It connects, briquetting 19 and sliding groove 15 is prevented to be detached from.
Threaded rod 20 is connected with rotating block 30 far from one end of briquetting 19, facilitates the rotation of control threaded rod 20.
In the utility model, the heat that LED drive board 4 generates is transferred to semiconductor chilling plate 9 by multiple heat conductive rods 10
Huyashi-chuuka (cold chinese-style noodles) absorbed, the hot face of semiconductor chilling plate 9 releases heat, radiates via heat sink 5, opens on heat sink 5
If multiple grooves 6 improve the radiating efficiency of heat sink 5 to increase the heat dissipation area of heat sink 5, so that utilizing number
The better heat-radiation effect for the constant current LED drive device that method is realized, presses the fixture block 18 for being connected with second spring 17, LED is driven
Movable plate 4 is placed in the mounting groove 3 of mounting plate 2, and by the tension force effect of second spring 17, fixture block 18 and sliding groove 15 are clamped,
To which the installation of LED drive board 4 be rapidly completed；The threaded rod 20 that rotation is rotatablely connected with briquetting 19, so that briquetting 19 is towards cunning
The notch direction sliding of dynamic slot 15, to be press-connected the fixture block 18 of second spring 17, so that fixture block 18 is towards card slot 16
The sliding of slot bottom direction can take out LED drive board 4 when fixture block 18 and the disengaging of sliding groove 15 out of mounting groove 3, realize LED
The fast quick-detach of driving plate 4, when box body 1 is fallen, the impact force of generation, which will drive, to be connected with the slide bar 11 of movable block 13 and exists
Slide downward in sleeve 12 squeezes the first spring 14, so that cushion impact forces, protect LED drive board 4.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (9)
1. a kind of constant current LED drive device realized using digital method, including box body (1), which is characterized in that the box body
(1) it is open-topped hollow structure, is equipped with mounting plate (2), the lower surface of the mounting plate (2) and box in the box body (1)
Body (1) is connected between internal lower surface by buffer gear, and the upper surface of the mounting plate (2) offers mounting groove (3),
The LED drive board (4) to match with mounting groove (3), and LED drive board (4) and mounting groove (3) are equipped in the mounting groove (3)
Between be connected by installing mechanism, the opening at the top of the box body (1) is equipped with heat sink (5), and the upper table of heat sink (5)
Face offers multiple equally distributed grooves (6), and the box body (1) is fixedly connected on the two sides relative inner wall of opening
There are symmetrical two support plates (7), the lower surface of the heat sink (5) and the upper surface of two support plates (7) offset, described to dissipate
It is connected between the upper surface of hot plate (5) and box body (1) by symmetrical two hasps (8), is connected on the heat sink (5)
Semiconductor chilling plate (9), and the hot face of semiconductor chilling plate (9) is fixedly connected with the lower surface of heat sink (5), the semiconductor
The huyashi-chuuka (cold chinese-style noodles) of cooling piece (9) is fixedly connected with multiple equally distributed heat conductive rods (10), and the heat conductive rod (10) is far from semiconductor system
The one end of cold (9) and the upper surface of LED drive board (4) offset.
2. a kind of constant current LED drive device realized using digital method according to claim 1, which is characterized in that institute
Stating buffer gear includes four slide bars (11), and four slide bars (11) are respectively fixedly connected with the four of mounting plate (2) lower surface
At angle, the internal lower surface of the box body (1) corresponds to and is fixedly connected with sleeve (12), the slide bar at the positions of slide bar (11)
(11) one end far from mounting plate (2) is plugged in corresponding sleeve (12) and is fixedly connected with movable block (13), and movable block
(13) it being slidably connected with sleeve (12), the lower surface of the movable block (13) is fixedly connected with the first spring (14), and described first
The other end of spring (14) is fixedly connected on the internal cylinder bottom of sleeve (12).
3. a kind of constant current LED drive device realized using digital method according to claim 1, which is characterized in that institute
Stating installing mechanism includes two sliding grooves (15), and two sliding grooves (15) are provided on mounting groove (3) opposite sides side wall,
The LED drive board (4) offers card slot (16) corresponding with sliding groove (15) on the side wall of sliding groove (15), described
The slot bottom of card slot (16) is fixedly connected with second spring (17), and the other end of the second spring (17) is fixedly connected with and card slot
(16) fixture block (18) to match, and fixture block (18) is slidably connected with card slot (16), the fixture block (18) is far from second spring
(17) one end passes through the notch of card slot (16) and extends in corresponding sliding groove (15), and sliding connects in the sliding groove (15)
It is connected to the briquetting (19) to match with sliding groove (15), the briquetting (19) is rotatably connected to screw thread far from the side of fixture block (18)
The other end of bar (20), the threaded rod (20) passes through the slot bottom of sliding groove (15) and extends to its outside, and threaded rod (20)
It is threadedly coupled with the slot bottom of sliding groove (15).
4. a kind of constant current LED drive device realized using digital method according to claim 1, which is characterized in that institute
The upper surface for stating heat sink (5) is fixedly connected with handle (21), is offered on the opposite lateral wall in two sides of the box body (1) multiple
Equally distributed heat release hole (22), the heat release hole (22) is interior to be equipped with Air Filter, and heat release hole (22) is arranged diagonally downward.
5. a kind of constant current LED drive device realized using digital method according to claim 1, which is characterized in that institute
It states and is fixedly connected with symmetrical two gag lever posts (23) on the two sides relative inner wall of box body (1), two gag lever posts (23)
Lower surface and the upper surface of mounting plate (2) offset.
6. a kind of constant current LED drive device realized using digital method according to claim 2, which is characterized in that institute
Symmetrical first sliding groove (24) there are two opening up on the inner wall of sleeve (12) is stated, the movable block (13) is close to first sliding groove
(24) side is fixedly connected to the first sliding block (25) to match with first sliding groove (24), and the first sliding block (25) with it is corresponding
First sliding groove (24) be slidably connected.
7. a kind of constant current LED drive device realized using digital method according to claim 3, which is characterized in that institute
Symmetrical second sliding slot (26) there are two opening up in the opposing sidewalls of card slot (16) is stated, is fixed on the side wall of the fixture block (18)
Connection is there are two the second sliding block (27) for matching with second sliding slot (26), and the second sliding block (27) and corresponding second sliding slot
(26) it is slidably connected.
8. a kind of constant current LED drive device realized using digital method according to claim 3, which is characterized in that institute
Symmetrical third sliding slot (28) there are two opening up in the opposing sidewalls of sliding groove (15) is stated, is consolidated on the side wall of the briquetting (19)
Fixed connection is there are two the third sliding block (29) to match with third sliding slot (28), and third sliding block (29) and corresponding third sliding slot
(28) it is slidably connected.
9. a kind of constant current LED drive device realized using digital method according to claim 3, which is characterized in that institute
It states threaded rod (20) and is connected with rotating block (30) far from the one end of briquetting (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820646618.9U CN208154418U (en) | 2018-05-03 | 2018-05-03 | A kind of constant current LED drive device realized using digital method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820646618.9U CN208154418U (en) | 2018-05-03 | 2018-05-03 | A kind of constant current LED drive device realized using digital method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208154418U true CN208154418U (en) | 2018-11-27 |
Family
ID=64377384
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820646618.9U Expired - Fee Related CN208154418U (en) | 2018-05-03 | 2018-05-03 | A kind of constant current LED drive device realized using digital method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208154418U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539195A (en) * | 2018-12-03 | 2019-03-29 | 和鸿电气股份有限公司 | A kind of high efficiency and heat radiation mechanism of LED illumination lamp bulb apparatus |
| CN113405071A (en) * | 2021-05-21 | 2021-09-17 | 江苏豪纬交通集团有限公司 | Constant-current driving method for isolated LED microswitch |
-
2018
- 2018-05-03 CN CN201820646618.9U patent/CN208154418U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539195A (en) * | 2018-12-03 | 2019-03-29 | 和鸿电气股份有限公司 | A kind of high efficiency and heat radiation mechanism of LED illumination lamp bulb apparatus |
| CN113405071A (en) * | 2021-05-21 | 2021-09-17 | 江苏豪纬交通集团有限公司 | Constant-current driving method for isolated LED microswitch |
| CN113405071B (en) * | 2021-05-21 | 2023-01-17 | 江苏豪纬交通集团有限公司 | Constant-current driving method for isolated LED microswitch |
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